Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 23

Waning Crescent 38%

00:07

17:05

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 OK
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
18 OK
19 Good
20 Good
21 Good
22 Good
23 Good

Sun - Rise: 07:29, Set: 19:38, Transit: 13:33. Moon - Rise: 00:07, Set: 17:05. Civil Dark: 20:12 - 06:55. Nautical Dark: 20:52 - 06:15. Astro Dark: 21:34 - 05:33

Total Clouds (% Sky Obscured)

100
100
100
99
99
100
100
100
100
100
100
98
30
100
76
46
51
28
20
2
18
5
3
4

Low Clouds (% Sky Obscured)

4
18
1
6
0
1
5
16
20
19
64
66
20
27
20
34
31
23
20
1
2
2
0
1

Medium Clouds (% Sky Obscured)

100
100
100
97
91
97
100
95
91
46
32
6
0
0
6
34
27
10
1
0
1
2
2
3

High Clouds (% Sky Obscured)

99
98
99
98
97
100
100
100
100
100
100
95
13
100
70
2
20
3
0
0
17
3
1
1

ISS Passover

Visibility (miles)

6
5
6
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

-
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

43
26
16
14
12
13
14
22
25
18
10
5
4
4
4
4
2
2
0
0
0
0
0
2

Precipitation Amount (mm)

0.46
0.04
0.03
0.02
0.01
0.01
0.02
0.06
0.09
0.07
0.05
0.03
0.02
0.02
0.02
0.02
0.01
0.01
0
0
0
0
0
0.01

Wind Speed/Direction (mph)

16
14
13
11
10
10
10
10
10
11
12
12
13
14
14
14
14
13
12
10
9
8
8
8

Chance of Frost

Temperature (°C)

17
17
17
16
16
16
16
16
16
16
18
19
19
19
19
20
20
20
19
18
18
17
16
15

Feels Like (°C)

17
17
17
16
16
16
16
16
16
16
18
19
19
19
19
20
20
20
19
18
18
17
16
15

Dew Point (°C)

17
16
16
15
14
14
13
13
13
13
13
13
12
12
12
12
12
11
11
11
10
11
11
11

Relative Humidity (%)

98
98
97
90
86
86
86
84
83
79
74
68
66
65
64
61
60
59
59
60
63
68
74
78

Pressure (mb)

1010
1010
1010
1011
1011
1011
1011
1012
1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015

Ozone (du)

267
268
268
269
270
272
273
275
276
278
279
280
281
283
284
288
292
294
291
287
283
280
277
276

Tuesday 24

Waning Crescent 27%

01:09

17:53

00 Good
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 OK
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:31, Set: 19:35, Transit: 13:33. Moon - Rise: 01:09, Set: 17:53. Civil Dark: 20:09 - 06:57. Nautical Dark: 20:49 - 06:17. Astro Dark: 21:31 - 05:35

Total Clouds (% Sky Obscured)

9
100
98
99
99
99
52
37
91
98
100
100
100
100
100
100
100
100
100
91
100
99
90
87

Low Clouds (% Sky Obscured)

6
9
1
4
0
0
11
1
0
3
2
7
95
97
95
1
1
100
100
0
100
98
53
38

Medium Clouds (% Sky Obscured)

6
82
69
98
99
99
48
34
48
43
20
27
87
100
96
89
100
79
94
77
49
23
19
27

High Clouds (% Sky Obscured)

0
100
95
97
16
0
0
6
84
97
100
100
100
100
100
100
100
90
84
73
30
81
78
78

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
7
5
7
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

2
0
2
4
9
14
13
7
3
0
3
3
3
4
11
30
54
71
76
74
69
51
30
15

Precipitation Amount (mm)

0.01
0
0.01
0.03
0.1
0.15
0.11
0.04
0.01
0
0.01
0.01
0.01
0.01
0.03
0.14
0.43
0.76
0.98
1.11
1.03
0.6
0.19
0.05

Wind Speed/Direction (mph)

9
11
12
12
11
11
12
13
14
14
14
14
15
16
16
17
18
19
18
17
16
15
15
14

Chance of Frost

Temperature (°C)

15
14
14
14
14
14
15
15
15
16
17
19
20
20
21
20
18
17
17
17
17
17
16
16

Feels Like (°C)

15
14
14
14
14
14
15
15
15
16
17
19
20
20
21
20
18
17
17
17
17
17
16
16

Dew Point (°C)

11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
12
12
12
12
12
12
12
13
13

Relative Humidity (%)

81
82
83
83
82
81
80
78
75
72
66
61
57
55
55
60
67
71
72
72
74
75
78
80

Pressure (mb)

1014
1014
1014
1013
1013
1012
1011
1011
1010
1009
1009
1008
1008
1007
1006
1006
1005
1005
1004
1004
1003
1003
1003
1003

Ozone (du)

276
278
278
277
275
273
272
272
273
274
276
277
277
276
276
277
278
279
282
284
287
288
290
291

Wednesday 25

Waning Crescent 17%

02:23

18:31

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:32, Set: 19:33, Transit: 13:33. Moon - Rise: 02:23, Set: 18:31. Civil Dark: 20:07 - 06:59. Nautical Dark: 20:47 - 06:19. Astro Dark: 21:28 - 05:37

Total Clouds (% Sky Obscured)

99
98
99
97
92
75
85
99
98
87
77
95
97
99
100
100
100
100
88
43
96
96
96
96

Low Clouds (% Sky Obscured)

27
37
31
47
70
57
39
17
2
0
9
68
39
43
28
71
99
98
83
34
83
83
83
83

Medium Clouds (% Sky Obscured)

26
56
97
74
40
33
19
23
84
4
2
41
61
51
99
99
85
40
45
29
46
46
46
46

High Clouds (% Sky Obscured)

99
98
97
92
82
48
79
99
98
87
74
85
93
99
100
99
95
79
16
2
75
75
75
75

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
6
5
7
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

15
23
29
28
25
27
38
52
60
55
46
37
24
14
6
5
8
12
12
13
15
12
8
8

Precipitation Amount (mm)

0.08
0.24
0.4
0.37
0.29
0.26
0.3
0.45
0.61
0.66
0.69
0.63
0.36
0.1
0.02
0.01
0.02
0.04
0.04
0.04
0.04
0.04
0.04
0.05

Wind Speed/Direction (mph)

14
15
15
14
13
12
12
12
13
13
14
15
15
15
14
14
13
12
10
9
8
8
9
9

Chance of Frost

Temperature (°C)

16
16
15
15
15
14
14
14
14
15
16
17
17
18
18
18
18
18
18
17
17
16
16
16

Feels Like (°C)

16
16
15
15
15
14
14
14
14
15
16
17
17
18
18
18
18
18
18
17
17
16
16
16

Dew Point (°C)

13
13
13
12
12
12
12
12
12
12
12
12
11
12
12
12
12
11
12
12
12
12
12
13

Relative Humidity (%)

81
83
84
85
85
85
86
87
85
81
76
72
68
67
68
67
67
67
68
70
73
77
79
82

Pressure (mb)

1003
1003
1003
1003
1004
1004
1004
1003
1003
1004
1004
1004
1004
1004
1004
1004
1005
1005
1005
1005
1006
1006
1006
1007

Ozone (du)

291
291
290
289
287
285
285
284
284
285
287
288
287
286
285
286
289
290
288
285
283
281
280
279

Thursday 26

Waning Crescent 9%

03:46

19:02

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 OK
11 OK
12 OK
13 OK
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:34, Set: 19:31, Transit: 13:32. Moon - Rise: 03:46, Set: 19:02. Civil Dark: 20:04 - 07:00. Nautical Dark: 20:44 - 06:20. Astro Dark: 21:26 - 05:39

Total Clouds (% Sky Obscured)

96
96
46
46
46
46
46
46
21
21
21
21
21
21
83
83
83
83
83
83
99
99
99
99

Low Clouds (% Sky Obscured)

83
83
34
34
34
34
34
34
19
19
19
19
19
19
44
44
44
44
44
44
15
15
15
15

Medium Clouds (% Sky Obscured)

46
46
33
33
33
33
33
33
4
4
4
4
4
4
2
2
2
2
2
2
97
97
97
97

High Clouds (% Sky Obscured)

75
75
0
0
0
0
0
0
0
0
0
0
0
0
73
73
73
73
73
73
97
97
97
97

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

9
9
9
9
11
15
31
46
47
35
24
15
12
12
12
11
9
9
11
13
16
23
31
32

Precipitation Amount (mm)

0.06
0.07
0.08
0.07
0.07
0.1
0.19
0.35
0.47
0.37
0.21
0.13
0.1
0.11
0.11
0.1
0.09
0.1
0.12
0.15
0.22
0.43
0.79
0.96

Wind Speed/Direction (mph)

9
10
10
10
11
11
11
12
13
13
13
14
14
14
15
16
16
17
16
14
13
13
14
14

Chance of Frost

Temperature (°C)

15
15
14
14
14
14
14
14
15
16
17
18
19
19
20
20
20
20
19
19
18
17
17
16

Feels Like (°C)

15
15
14
14
14
14
14
14
15
16
17
18
19
19
20
20
20
20
19
19
18
17
17
16

Dew Point (°C)

12
12
12
12
12
12
12
12
12
12
13
13
13
13
13
13
13
13
12
12
12
12
12
12

Relative Humidity (%)

84
85
86
86
85
85
86
86
84
80
75
69
67
65
64
64
64
64
64
65
67
70
74
77

Pressure (mb)

1007
1007
1008
1008
1008
1008
1008
1008
1009
1009
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1012
1012

Ozone (du)

278
278
277
276
275
273
272
271
270
269
270
269
268
267
266
265
265
266
267
269
272
276
281
285

Friday 27

Waning Crescent 3%

05:13

19:28

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 OK
15 OK
16 OK
17 OK
18 OK
19 OK
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:36, Set: 19:28, Transit: 13:32. Moon - Rise: 05:13, Set: 19:28. Civil Dark: 20:02 - 07:02. Nautical Dark: 20:42 - 06:22. Astro Dark: 21:23 - 05:41

Total Clouds (% Sky Obscured)

99
99
100
100
100
100
100
100
97
97
97
97
97
97
20
20
20
20
20
20
84
84
84
84

Low Clouds (% Sky Obscured)

15
15
81
81
81
81
81
81
59
59
59
59
59
59
16
16
16
16
16
16
24
24
24
24

Medium Clouds (% Sky Obscured)

97
97
97
97
97
97
97
97
95
95
95
95
95
95
6
6
6
6
6
6
35
35
35
35

High Clouds (% Sky Obscured)

97
97
0
0
0
0
0
0
30
30
30
30
30
30
0
0
0
0
0
0
73
73
73
73

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
8
7
8
9
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

27
16
6
6
10
16
19
19
18
21
25
27
27
28
29
25
19
17
16
17
20
22
25
28

Precipitation Amount (mm)

0.59
0.16
0.02
0.02
0.06
0.11
0.12
0.12
0.14
0.2
0.32
0.43
0.52
0.67
0.76
0.56
0.31
0.19
0.16
0.14
0.13
0.12
0.12
0.14

Wind Speed/Direction (mph)

14
13
13
13
13
13
13
14
15
16
18
19
19
20
20
19
17
16
16
16
16
16
16
16

Chance of Frost

Temperature (°C)

16
16
16
16
16
16
15
15
15
16
17
18
18
19
19
18
18
17
17
17
16
16
15
15

Feels Like (°C)

16
16
16
16
16
16
15
15
15
16
17
18
18
19
19
18
18
17
17
17
16
16
15
15

Dew Point (°C)

12
12
13
13
13
13
12
12
11
11
11
12
12
12
12
11
11
10
10
10
10
10
10
10

Relative Humidity (%)

79
80
81
82
82
82
83
82
79
74
69
66
65
64
64
64
63
63
63
64
66
68
70
73

Pressure (mb)

1012
1012
1012
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011

Ozone (du)

286
286
287
287
288
290
294
299
303
305
306
307
306
303
302
301
301
302
303
305
307
307
307
307

Saturday 28

New Moon 0%

06:41

19:50

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:37, Set: 19:26, Transit: 13:32. Moon - Rise: 06:41, Set: 19:50. Civil Dark: 20:00 - 07:04. Nautical Dark: 20:39 - 06:24. Astro Dark: 21:21 - 05:43

Total Clouds (% Sky Obscured)

84
84
88
88
88
88
88
88
92
92
92
92
92
92
98
98
98
98
98
98
100
100
100
100

Low Clouds (% Sky Obscured)

24
24
80
80
80
80
80
80
91
91
91
91
91
91
25
25
25
25
25
25
16
16
16
16

Medium Clouds (% Sky Obscured)

35
35
53
53
53
53
53
53
27
27
27
27
27
27
59
59
59
59
59
59
98
98
98
98

High Clouds (% Sky Obscured)

73
73
0
0
0
0
0
0
0
0
0
0
0
0
96
96
96
96
96
96
95
95
95
95

ISS Passover

Visibility (miles)

10
10
9
7
5
4
4
5
5
6
6
7
8
9
10
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

32
35
39
46
51
54
56
58
57
53
50
47
42
35
30
27
23
19
19
21
21
20
18
16

Precipitation Amount (mm)

0.2
0.34
0.5
0.61
0.71
0.78
0.81
0.84
0.83
0.72
0.6
0.52
0.45
0.39
0.32
0.23
0.14
0.1
0.11
0.16
0.19
0.15
0.11
0.1

Wind Speed/Direction (mph)

16
16
16
17
18
18
18
17
17
17
18
19
20
20
20
20
19
17
16
14
13
13
13
13

Chance of Frost

Temperature (°C)

14
14
14
14
14
14
14
14
15
15
16
16
16
17
17
17
17
17
17
16
16
15
15
14

Feels Like (°C)

14
14
14
14
14
14
14
14
15
15
16
16
16
17
17
17
17
17
17
16
16
15
15
14

Dew Point (°C)

10
10
11
11
11
11
11
10
10
10
10
10
10
10
10
10
10
10
9
9
9
9
9
9

Relative Humidity (%)

75
76
78
80
81
81
80
78
74
71
69
67
65
63
62
61
61
62
62
63
64
66
68
70

Pressure (mb)

1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1012
1012
1012
1013
1013
1013
1013
1013
1014
1014
1014
1014

Ozone (du)

306
304
303
303
304
304
304
302
302
302
303
304
304
305
306
307
308
309
310
310
310
310
310
310

Sunday 29

Waxing Crescent 1%

08:08

20:12

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:39, Set: 19:24, Transit: 13:31. Moon - Rise: 08:08, Set: 20:12. Civil Dark: 19:57 - 07:05. Nautical Dark: 20:37 - 06:26. Astro Dark: 21:18 - 05:45

Total Clouds (% Sky Obscured)

100
100
98
98
98
98
98
98
98
98
98
98
98
98
100
100
100
100
100
100
98
98
98
98

Low Clouds (% Sky Obscured)

16
16
68
68
68
68
68
68
79
79
79
79
79
79
56
56
56
56
56
56
32
32
32
32

Medium Clouds (% Sky Obscured)

98
98
95
95
95
95
95
95
79
79
79
79
79
79
100
100
100
100
100
100
98
98
98
98

High Clouds (% Sky Obscured)

95
95
32
32
32
32
32
32
91
91
91
91
91
91
0
0
0
0
0
0
2
2
2
2

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
9
7
7
9
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

15
13
12
12
12
11
10
11
13
13
13
17
23
30
31
31
26
22
19
22
27
29
28
28

Precipitation Amount (mm)

0.1
0.1
0.1
0.1
0.09
0.08
0.06
0.04
0.04
0.05
0.06
0.09
0.16
0.28
0.36
0.34
0.28
0.22
0.17
0.21
0.31
0.34
0.33
0.33

Wind Speed/Direction (mph)

13
12
12
11
11
11
11
11
11
12
13
14
15
16
16
16
15
14
14
14
14
15
15
14

Chance of Frost

Temperature (°C)

14
14
13
13
13
13
13
13
13
14
15
16
16
17
17
17
17
16
16
16
15
15
15
14

Feels Like (°C)

14
14
13
13
13
13
13
13
13
14
15
16
16
17
17
17
17
16
16
16
15
15
15
14

Dew Point (°C)

9
9
9
9
9
9
9
8
8
9
9
10
10
10
10
10
10
9
9
9
9
9
9
9

Relative Humidity (%)

73
74
75
76
77
77
77
75
72
70
68
67
65
64
63
62
62
63
62
63
65
67
68
70

Pressure (mb)

1014
1014
1014
1014
1014
1013
1013
1013
1012
1012
1012
1012
1012
1012
1011
1011
1010
1009
1009
1008
1008
1007
1007
1007

Ozone (du)

309
309
309
309
309
309
310
312
313
314
315
317
319
321
323
325
327
328
329
329
328
326
323
320

Forecast for Overveen, Bloemendaal, NL (52.39,4.61)

Generated: 23/09/19 00:49:51. Forecast: 23/09/19 to 29/09/19. Timezone: UTC+2.00