Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 23

Waning Crescent 38%

No Rise

17:04

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 OK
16 OK
17 OK
18 Good
19 Good
20 Good
21 Good
22 Good
23 Bad
00 Bad

Sun - Rise: 07:30, Set: 19:39, Transit: 13:35. Moon - Rise: No Rise, Set: 17:04. Civil Dark: 20:12 - 06:57. Nautical Dark: 20:52 - 06:17. Astro Dark: 21:33 - 05:36

Total Clouds (% Sky Obscured)

100
98
100
99
100
100
100
100
100
99
100
98
95
83
40
15
20
6
14
13
10
2
98
99

Low Clouds (% Sky Obscured)

1
7
2
3
18
5
5
9
19
16
27
64
62
35
19
14
20
2
3
4
2
1
1
3

Medium Clouds (% Sky Obscured)

100
96
99
60
48
11
2
1
0
0
0
1
22
23
10
2
2
5
10
13
9
2
16
77

High Clouds (% Sky Obscured)

99
85
99
98
100
100
100
100
100
99
100
97
89
73
22
1
0
0
2
0
2
0
97
98

ISS Passover

Visibility (miles)

6
7
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

Precipitation Type

Very Light Rain
Very Light Rain
None
None
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
None
None

Precipitation Probability (%)

15
7
5
0
8
9
13
13
11
5
4
5
4
4
3
2
2
0
0
0
0
0
3
3

Precipitation Amount (mm)

0.03
0
0.01
0
0.01
0.01
0.02
0.02
0.02
0.03
0.04
0.03
0.02
0.03
0.02
0.01
0.01
0
0
0
0
0
0.01
0.01

Wind Speed/Direction (mph)

7
8
9
10
10
10
10
10
10
11
12
13
14
14
13
12
11
9
7
6
6
6
7
8

Chance of Frost

Temperature (°C)

16
16
16
16
16
15
15
15
16
17
18
19
20
20
21
22
21
21
19
18
16
16
15
15

Feels Like (°C)

16
16
16
16
16
15
15
15
16
17
18
19
20
20
21
22
21
21
19
18
16
16
15
15

Dew Point (°C)

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

Relative Humidity (%)

100
99
89
83
83
84
83
81
78
73
69
64
59
56
50
47
47
51
57
64
70
75
79
79

Pressure (mb)

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

Ozone (du)

270
271
272
274
276
277
278
280
281
283
284
286
287
289
293
296
297
292
283
278
277
279
280
280

Tuesday 24

Waning Crescent 27%

01:13

17:51

01 Bad
02 Bad
03 Bad
04 Bad
05 OK
06 OK
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
00 Bad

Sun - Rise: 07:32, Set: 19:37, Transit: 13:34. Moon - Rise: 01:13, Set: 17:51. Civil Dark: 20:10 - 06:58. Nautical Dark: 20:50 - 06:19. Astro Dark: 21:31 - 05:38

Total Clouds (% Sky Obscured)

100
100
100
100
37
26
47
88
98
100
100
100
100
100
100
98
100
96
82
81
74
96
99
98

Low Clouds (% Sky Obscured)

2
1
0
1
4
1
1
3
41
8
100
100
31
6
12
26
85
93
69
19
21
7
10
24

Medium Clouds (% Sky Obscured)

88
98
100
100
35
26
45
47
13
48
91
96
93
78
90
90
85
73
66
40
26
11
41
71

High Clouds (% Sky Obscured)

99
98
8
0
0
0
2
77
96
99
100
100
100
100
99
85
72
1
5
67
63
95
99
95

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

3
3
0
0
0
0
0
4
5
5
9
26
49
64
68
66
66
71
72
65
53
40
24
13

Precipitation Amount (mm)

0.01
0.01
0
0
0
0
0
0.01
0.01
0.02
0.03
0.16
0.61
1.02
0.87
0.63
0.61
0.67
0.76
0.78
0.59
0.35
0.18
0.07

Wind Speed/Direction (mph)

10
10
10
10
10
11
12
13
13
14
15
16
16
17
17
18
18
17
15
14
13
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
77
76
75
75
73
70
67
64
60
58
57
60
64
67
69
72
72
73
74
76
78
80
81

Pressure (mb)

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

Ozone (du)

280
279
277
274
272
272
272
273
275
277
278
277
276
275
277
280
283
285
287
289
290
290
290
289

Wednesday 25

Waning Crescent 17%

02:27

18:30

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
00 Bad

Sun - Rise: 07:34, Set: 19:34, Transit: 13:34. Moon - Rise: 02:27, Set: 18:30. Civil Dark: 20:08 - 07:00. Nautical Dark: 20:47 - 06:21. Astro Dark: 21:28 - 05:40

Total Clouds (% Sky Obscured)

98
92
63
53
91
99
99
95
99
99
100
100
100
99
99
100
85
97
73
68
68
68
68
68

Low Clouds (% Sky Obscured)

47
41
31
21
20
8
8
0
0
82
31
20
62
43
97
99
68
95
55
41
41
41
41
41

Medium Clouds (% Sky Obscured)

88
57
17
6
17
86
87
64
95
76
73
73
94
89
60
52
26
64
55
59
59
59
59
59

High Clouds (% Sky Obscured)

91
82
44
45
89
99
98
95
98
97
100
100
99
98
95
89
52
2
2
5
5
5
5
5

ISS Passover

Visibility (miles)

10
10
10
8
6
8
10
10
10
10
10
10
10
10
10
10
10
10
8
7
8
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
None
Very Light Rain
Very 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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

6
5
14
35
55
59
54
50
41
35
32
23
11
8
12
18
24
25
25
27
27
24
23
18

Precipitation Amount (mm)

0.01
0.01
0.07
0.31
0.57
0.56
0.48
0.44
0.31
0.21
0.19
0.12
0.04
0.02
0.06
0.15
0.23
0.24
0.23
0.23
0.25
0.28
0.28
0.22

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
14
14
14
13
14
14
15
15
15
16
17
18
18
18
18
18
17
17
17
17
16
16
15

Feels Like (°C)

15
14
14
14
13
14
14
15
15
15
16
17
18
18
18
18
18
17
17
17
17
16
16
15

Dew Point (°C)

12
11
11
12
12
12
11
11
11
11
11
11
11
11
12
12
12
12
12
12
12
12
12
12

Relative Humidity (%)

82
83
84
87
89
88
84
80
77
76
74
69
67
66
66
67
68
68
70
72
74
76
78
82

Pressure (mb)

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

Ozone (du)

288
286
285
284
283
285
287
288
289
289
289
289
289
289
289
290
290
288
285
282
281
279
278
278

Thursday 26

Waning Crescent 9%

03:49

19:01

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
00 Bad

Sun - Rise: 07:35, Set: 19:32, Transit: 13:34. Moon - Rise: 03:49, Set: 19:01. Civil Dark: 20:05 - 07:02. Nautical Dark: 20:45 - 06:22. Astro Dark: 21:26 - 05:42

Total Clouds (% Sky Obscured)

68
56
56
56
56
56
56
42
42
42
42
42
42
97
97
97
97
97
97
94
94
94
94
94

Low Clouds (% Sky Obscured)

41
45
45
45
45
45
45
34
34
34
34
34
34
86
86
86
86
86
86
27
27
27
27
27

Medium Clouds (% Sky Obscured)

59
42
42
42
42
42
42
28
28
28
28
28
28
56
56
56
56
56
56
40
40
40
40
40

High Clouds (% Sky Obscured)

5
0
0
0
0
0
0
0
0
0
0
0
0
77
77
77
77
77
77
91
91
91
91
91

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
7
6
8
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
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
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

15
12
10
11
18
33
44
49
37
23
13
13
15
16
10
6
6
8
14
21
26
28
29
26

Precipitation Amount (mm)

0.16
0.11
0.06
0.03
0.04
0.1
0.3
0.49
0.37
0.17
0.08
0.09
0.12
0.14
0.1
0.07
0.07
0.09
0.15
0.2
0.28
0.44
0.54
0.34

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
88
89
88
87
86
85
82
77
73
69
66
64
62
61
61
63
64
66
69
72
76
79
81

Pressure (mb)

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

Ozone (du)

278
278
276
273
271
270
269
268
267
266
265
265
265
265
266
267
269
270
271
273
277
281
284
287

Friday 27

Waning Crescent 3%

05:15

19:28

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
00 Bad

Sun - Rise: 07:37, Set: 19:30, Transit: 13:33. Moon - Rise: 05:15, Set: 19:28. Civil Dark: 20:03 - 07:03. Nautical Dark: 20:42 - 06:24. Astro Dark: 21:23 - 05:43

Total Clouds (% Sky Obscured)

94
71
71
71
71
71
71
96
96
96
96
96
96
42
42
42
42
42
42
59
59
59
59
59

Low Clouds (% Sky Obscured)

27
43
43
43
43
43
43
54
54
54
54
54
54
13
13
13
13
13
13
20
20
20
20
20

Medium Clouds (% Sky Obscured)

40
62
62
62
62
62
62
93
93
93
93
93
93
39
39
39
39
39
39
32
32
32
32
32

High Clouds (% Sky Obscured)

91
15
15
15
15
15
15
16
16
16
16
16
16
0
0
0
0
0
0
36
36
36
36
36

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
9
7
9
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
Very Light Rain
Very Light Rain
Very Light Rain
Very 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

Precipitation Probability (%)

13
7
6
8
10
11
13
12
10
10
11
18
28
34
28
19
15
13
12
12
16
27
31
32

Precipitation Amount (mm)

0.11
0.02
0.02
0.03
0.05
0.05
0.04
0.05
0.05
0.07
0.11
0.27
0.7
1.01
0.7
0.29
0.15
0.1
0.06
0.04
0.06
0.19
0.33
0.31

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
12
12
11
11
11
11
12
12
12
12
11
11
10
10
10
10
10
10
10
10

Relative Humidity (%)

81
81
82
83
84
84
82
78
74
70
67
65
64
64
62
60
60
61
63
66
68
70
72
74

Pressure (mb)

1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012

Ozone (du)

288
289
290
290
291
294
299
302
305
308
309
307
305
303
302
302
303
305
308
310
310
310
309
308

Saturday 28

New Moon 0%

06:43

19:52

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
00 Bad

Sun - Rise: 07:38, Set: 19:27, Transit: 13:33. Moon - Rise: 06:43, Set: 19:52. Civil Dark: 20:01 - 07:05. Nautical Dark: 20:40 - 06:26. Astro Dark: 21:20 - 05:45

Total Clouds (% Sky Obscured)

59
65
65
65
65
65
65
67
67
67
67
67
67
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

20
26
26
26
26
26
26
23
23
23
23
23
23
23
23
23
23
23
23
72
72
72
72
72

Medium Clouds (% Sky Obscured)

32
61
61
61
61
61
61
60
60
60
60
60
60
92
92
92
92
92
92
100
100
100
100
100

High Clouds (% Sky Obscured)

36
0
0
0
0
0
0
13
13
13
13
13
13
100
100
100
100
100
100
88
88
88
88
88

ISS Passover

Visibility (miles)

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

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
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 (%)

31
31
34
38
43
51
62
66
64
62
59
54
46
36
31
33
33
31
31
28
25
25
28
31

Precipitation Amount (mm)

0.23
0.18
0.17
0.19
0.25
0.42
0.73
0.96
0.94
0.87
0.81
0.64
0.43
0.3
0.26
0.27
0.29
0.27
0.24
0.24
0.26
0.31
0.36
0.31

Wind Speed/Direction (mph)

15
16
16
17
18
18
17
17
17
17
18
18
19
19
18
17
16
14
13
11
11
11
11
10

Chance of Frost

Temperature (°C)

14
14
14
14
14
13
13
13
14
15
16
17
17
18
18
17
17
17
16
15
15
15
14
14

Feels Like (°C)

14
14
14
14
14
13
13
13
14
15
16
17
17
18
18
17
17
17
16
15
15
15
14
14

Dew Point (°C)

10
10
10
10
10
10
10
9
9
9
10
10
10
10
10
10
10
9
9
9
9
9
9
9

Relative Humidity (%)

75
76
77
78
79
80
80
77
72
69
67
64
62
60
60
60
61
62
63
66
67
69
72
74

Pressure (mb)

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

Ozone (du)

306
304
305
306
307
306
306
305
305
305
306
307
309
311
312
313
315
317
319
321
320
318
317
316

Sunday 29

Waxing Crescent 1%

08:09

20:14

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
00 Bad

Sun - Rise: 07:40, Set: 19:25, Transit: 13:33. Moon - Rise: 08:09, Set: 20:14. Civil Dark: 19:58 - 07:07. Nautical Dark: 20:38 - 06:28. Astro Dark: 21:18 - 05:47

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
99
99
99
99
99
98
98
98
98
98
98
63
63
63
63
63

Low Clouds (% Sky Obscured)

72
89
89
89
89
89
89
43
43
43
43
43
43
70
70
70
70
70
70
7
7
7
7
7

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
60
60
60
60
60
60
98
98
98
98
98
98
59
59
59
59
59

High Clouds (% Sky Obscured)

88
69
69
69
69
69
69
99
99
99
99
99
99
0
0
0
0
0
0
6
6
6
6
6

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
9
9
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

29
28
25
21
18
13
12
11
10
12
14
19
26
35
42
45
44
44
45
45
44
38
34
35

Precipitation Amount (mm)

0.24
0.2
0.18
0.16
0.14
0.09
0.04
0.02
0.03
0.05
0.08
0.12
0.19
0.27
0.4
0.63
0.85
0.97
1.05
1.07
0.87
0.6
0.46
0.47

Wind Speed/Direction (mph)

10
10
10
10
10
10
10
10
11
13
14
14
15
15
15
15
15
14
13
13
12
12
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
76
77
77
77
77
77
74
70
68
65
64
63
63
62
61
61
63
64
67
67
68
70
73

Pressure (mb)

1015
1015
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1012
1012
1011
1010
1010
1009
1008
1008
1008
1007
1007
1007

Ozone (du)

316
315
315
315
315
314
313
312
313
315
316
317
318
319
320
322
323
325
326
327
327
326
326
325

Forecast for Spijkenisse, Spijkenisse, NL (51.86,4.30)

Generated: 23/09/19 01:27:27. Forecast: 23/09/19 to 29/09/19. Timezone: UTC+2.00