Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 23

Waxing Crescent 46%

15:21

23:06

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

Sun - Rise: 07:33, Set: 19:37, Transit: 13:34. Moon - Rise: 15:21, Set: 23:06. Civil Dark: 20:11 - 07:00. Nautical Dark: 20:50 - 06:20. Astro Dark: 21:31 - 05:39

Total Clouds (% Sky Obscured)

76
95
91
96
98
99
99
74
96
98
100
100
99
29
25
20
15
6
2
52
50
23
51
76

Low Clouds (% Sky Obscured)

32
89
63
15
10
37
31
13
7
75
47
90
74
27
24
20
15
6
2
46
44
16
15
2

Medium Clouds (% Sky Obscured)

41
70
45
64
16
23
84
50
95
91
99
100
98
8
2
0
0
0
0
27
24
13
47
75

High Clouds (% Sky Obscured)

58
31
73
90
98
98
98
56
62
24
58
63
1
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
6
4
6
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

24
30
22
14
14
14
22
35
59
79
78
74
64
52
30
15
4
0
0
0
0
7
8
7

Precipitation Amount (mm)

0.18
0.23
0.33
0.16
0.17
0.13
0.15
0.38
1.4
3.79
5.41
3.79
1.62
0.82
0.42
0.11
0.01
0
0
0
0
0.01
0.01
0.01

Wind Speed/Direction (mph)

19
19
19
17
16
14
13
13
14
17
19
21
23
24
24
24
23
21
18
17
18
20
22
23

Chance of Frost

Temperature (°C)

20
20
21
21
21
20
19
17
17
16
15
15
15
14
14
13
13
12
12
11
12
13
14
15

Feels Like (°C)

20
20
21
21
21
20
19
17
17
16
15
15
15
14
14
13
13
12
12
11
12
13
14
15

Dew Point (°C)

16
16
16
15
14
14
14
14
15
15
15
14
13
11
10
9
8
7
7
8
9
10
11
11

Relative Humidity (%)

79
76
71
68
67
69
76
82
88
93
94
93
87
82
79
74
71
73
76
79
81
82
80
74

Pressure (mb)

1004
1003
1003
1002
1002
1001
1001
1000
1000
999
999
998
998
999
999
1000
1001
1001
1001
1002
1002
1003
1002
1002

Ozone (du)

277
277
277
277
278
281
284
286
288
290
291
291
292
292
294
296
298
298
297
296
296
296
295
293

Thursday 24

First Quarter 57%

16:27

23:58

13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
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

Sun - Rise: 07:35, Set: 19:35, Transit: 13:34. Moon - Rise: 16:27, Set: 23:58. Civil Dark: 20:08 - 07:01. Nautical Dark: 20:48 - 06:22. Astro Dark: 21:29 - 05:41

Total Clouds (% Sky Obscured)

96
100
100
100
99
100
100
53
86
100
100
98
92
100
98
95
44
31
35
68
84
68
90
87

Low Clouds (% Sky Obscured)

75
92
22
34
30
21
13
6
30
52
59
39
67
15
28
26
23
29
31
22
44
11
18
23

Medium Clouds (% Sky Obscured)

93
99
98
100
99
99
100
52
83
100
98
98
87
100
38
50
13
7
9
11
33
11
13
22

High Clouds (% Sky Obscured)

42
66
86
52
97
13
86
4
37
100
99
89
48
100
98
94
27
1
2
59
72
62
88
82

ISS Passover

Visibility (miles)

10
10
10
6
3
6
10
10
10
10
10
10
10
10
10
10
10
10
10
8
7
8
8
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

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

Precipitation Probability (%)

0
3
26
49
62
57
42
29
31
32
23
43
51
53
47
33
24
31
48
56
58
54
56
55

Precipitation Amount (mm)

0
0.01
0.1
0.5
0.88
0.75
0.46
0.29
0.14
0.04
0.02
0.09
0.39
0.65
0.46
0.18
0.08
0.12
0.29
0.49
0.51
0.49
0.49
0.47

Wind Speed/Direction (mph)

23
23
23
22
20
17
12
9
9
10
12
14
18
20
21
22
21
19
15
13
12
12
12
13

Chance of Frost

Temperature (°C)

16
17
16
15
14
13
13
13
13
12
12
12
12
11
11
10
9
9
8
9
10
11
11
12

Feels Like (°C)

16
17
16
15
14
13
13
13
13
12
12
12
12
11
11
10
5
5
5
6
7
11
11
12

Dew Point (°C)

10
10
11
11
11
11
10
10
10
10
10
10
9
9
8
8
7
7
8
8
9
9
9
9

Relative Humidity (%)

68
66
71
79
86
86
84
83
85
88
89
87
85
84
84
84
85
89
94
96
95
91
87
83

Pressure (mb)

1001
1001
1001
1000
1000
999
999
998
998
997
997
996
995
994
994
994
994
995
995
996
996
997
997
997

Ozone (du)

290
289
289
291
293
295
298
301
301
302
304
310
318
323
325
325
324
323
323
322
324
326
327
328

Friday 25

Waxing Gibbous 68%

17:19

01:01

13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
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

Sun - Rise: 07:36, Set: 19:33, Transit: 13:34. Moon - Rise: 17:19, Set: 01:01. Civil Dark: 20:06 - 07:03. Nautical Dark: 20:45 - 06:24. Astro Dark: 21:26 - 05:43

Total Clouds (% Sky Obscured)

34
45
59
94
87
100
97
100
98
100
100
100
100
98
98
98
98
98
98
58
58
58
58
58

Low Clouds (% Sky Obscured)

27
32
50
89
37
100
60
67
34
52
80
25
18
23
23
23
23
23
23
34
34
34
34
34

Medium Clouds (% Sky Obscured)

21
32
20
84
59
92
79
98
97
95
100
100
100
84
84
84
84
84
84
46
46
46
46
46

High Clouds (% Sky Obscured)

0
10
16
24
68
75
91
97
84
99
100
95
99
96
96
96
96
96
96
2
2
2
2
2

ISS Passover

Visibility (miles)

8
8
7
6
6
7
7
9
10
10
10
10
10
10
10
8
8
9
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
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

50
48
49
53
56
60
62
56
49
32
26
23
24
26
36
50
57
57
48
38
26
26
21
20

Precipitation Amount (mm)

0.45
0.46
0.52
0.63
0.75
0.82
0.85
0.85
0.77
0.65
0.52
0.35
0.21
0.18
0.34
0.71
0.99
0.84
0.53
0.35
0.33
0.38
0.43
0.43

Wind Speed/Direction (mph)

15
17
19
21
24
26
28
29
29
29
27
26
24
23
23
24
24
23
22
21
21
21
21
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
14
14
14
13
13
13
12
12
12
12
12
12
11
11
11
10
6
6
10
11
12
13

Dew Point (°C)

9
9
10
10
10
9
9
8
8
7
7
6
6
6
6
7
7
7
6
6
6
6
7
7

Relative Humidity (%)

80
77
76
76
77
76
77
76
74
71
69
67
67
68
71
76
79
80
79
77
75
73
70
67

Pressure (mb)

998
998
998
999
999
1000
1001
1002
1003
1004
1004
1005
1006
1006
1007
1007
1008
1008
1009
1009
1010
1010
1011
1011

Ozone (du)

327
326
325
323
322
321
322
323
325
328
331
332
333
332
328
323
319
318
319
319
317
315
313
310

Saturday 26

Waxing Gibbous 77%

17:59

02:09

13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
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

Sun - Rise: 07:38, Set: 19:30, Transit: 13:33. Moon - Rise: 17:59, Set: 02:09. Civil Dark: 20:04 - 07:05. Nautical Dark: 20:43 - 06:25. Astro Dark: 21:24 - 05:45

Total Clouds (% Sky Obscured)

58
100
100
100
100
100
100
72
72
72
72
72
72
100
100
100
100
100
100
99
99
99
99
99

Low Clouds (% Sky Obscured)

34
28
28
28
28
28
28
38
38
38
38
38
38
87
87
87
87
87
87
99
99
99
99
99

Medium Clouds (% Sky Obscured)

46
100
100
100
100
100
100
49
49
49
49
49
49
100
100
100
100
100
100
99
99
99
99
99

High Clouds (% Sky Obscured)

2
1
1
1
1
1
1
40
40
40
40
40
40
100
100
100
100
100
100
17
17
17
17
17

ISS Passover

Visibility (miles)

8
6
8
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

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

20
18
18
21
23
22
20
19
21
23
24
26
28
29
30
29
28
28
27
25
23
22
21
17

Precipitation Amount (mm)

0.41
0.41
0.47
0.55
0.58
0.46
0.31
0.26
0.28
0.37
0.48
0.63
0.84
0.98
0.9
0.73
0.63
0.64
0.7
0.74
0.74
0.71
0.61
0.41

Wind Speed/Direction (mph)

21
21
21
22
21
19
15
13
12
11
12
12
13
13
13
13
13
12
12
11
11
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
7
7
6
6
6
6
6
5
5
5
5
5
5
5
5
5
6
6
7
7
8
8

Relative Humidity (%)

65
64
65
67
68
68
68
68
68
68
67
67
68
68
68
67
67
69
71
72
73
73
72
71

Pressure (mb)

1011
1011
1010
1010
1010
1009
1009
1008
1008
1009
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008

Ozone (du)

307
304
301
298
296
294
294
293
293
294
293
292
289
287
287
289
289
289
287
286
286
286
286
285

Sunday 27

Waxing Gibbous 85%

18:29

03:21

13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
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

Sun - Rise: 07:40, Set: 19:28, Transit: 13:33. Moon - Rise: 18:29, Set: 03:21. Civil Dark: 20:01 - 07:06. Nautical Dark: 20:41 - 06:27. Astro Dark: 21:21 - 05:47

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
98
98
98
98
98
98
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

99
88
88
88
88
88
88
2
2
2
2
2
2
2
2
2
2
2
2
100
100
100
100
100

Medium Clouds (% Sky Obscured)

99
25
25
25
25
25
25
0
0
0
0
0
0
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

17
100
100
100
100
100
100
99
99
99
99
99
99
93
93
93
93
93
93
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
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
None
None
None
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
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

12
9
9
11
11
11
10
9
7
3
0
2
5
7
8
12
17
15
14
15
14
13
14
18

Precipitation Amount (mm)

0.22
0.12
0.1
0.12
0.13
0.12
0.11
0.09
0.04
0.01
0
0.01
0.03
0.06
0.09
0.19
0.29
0.24
0.14
0.1
0.11
0.16
0.23
0.35

Wind Speed/Direction (mph)

12
12
12
12
12
11
10
9
7
6
6
6
7
8
9
10
11
11
11
11
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
8
8
8
8
7
7
7
7
7
7
7
7
7
8
8
9
9
9
10
11
12
12

Relative Humidity (%)

70
68
67
67
68
68
71
72
73
74
74
74
73
72
74
76
78
78
78
78
79
79
78
76

Pressure (mb)

1008
1008
1008
1008
1008
1008
1008
1008
1008
1009
1008
1009
1008
1008
1008
1007
1007
1007
1007
1007
1007
1007
1007
1007

Ozone (du)

285
284
283
282
282
283
285
289
294
301
305
306
304
299
292
282
275
273
273
274
275
276
277
277

Monday 28

Waxing Gibbous 92%

18:52

04:32

13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
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

Sun - Rise: 07:41, Set: 19:26, Transit: 13:33. Moon - Rise: 18:52, Set: 04:32. Civil Dark: 19:59 - 07:08. Nautical Dark: 20:38 - 06:29. Astro Dark: 21:19 - 05:49

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

100
9
9
9
9
9
9
17
17
17
17
17
17
95
95
95
95
95
95
91
91
91
91
91

High Clouds (% Sky Obscured)

91
0
0
0
0
0
0
80
80
80
80
80
80
0
0
0
0
0
0
0
0
0
0
0

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

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
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
None
None
None
None
None

Precipitation Probability (%)

26
31
27
24
22
20
23
27
31
36
43
50
54
50
46
46
45
38
19
5
3
0
0
0

Precipitation Amount (mm)

0.54
0.68
0.65
0.55
0.47
0.46
0.47
0.5
0.57
0.67
0.73
0.73
0.69
0.63
0.6
0.63
0.59
0.33
0.09
0.02
0.01
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
73
72
74
76
77
79
82
83
84
85
86
89
91
91
91
89
88
85
83
83
81
78
74

Pressure (mb)

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

Ozone (du)

276
276
276
278
279
280
280
281
281
280
280
281
282
283
284
285
286
286
285
285
285
285
285
285

Tuesday 29

Waxing Gibbous 96%

19:11

05:42

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

Sun - Rise: 07:43, Set: 19:23, Transit: 13:32. Moon - Rise: 19:11, Set: 05:42. Civil Dark: 19:57 - 07:10. Nautical Dark: 20:36 - 06:31. Astro Dark: 21:16 - 05:50

Total Clouds (% Sky Obscured)

100
52
52
52
52
52
52
45
45
45
45
45
45
93
93
93
93
93
93
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
22
22
22
22
22
22
16
16
16
16
16
16
31
31
31
31
31
31
45
45
45
45
45

Medium Clouds (% Sky Obscured)

91
47
47
47
47
47
47
40
40
40
40
40
40
92
92
92
92
92
92
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
15
15
15
15
15
15
99
99
99
99
99

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

None
None
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
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

Precipitation Probability (%)

0
3
5
7
10
13
16
16
12
11
8
9
13
13
12
12
15
29
46
51
44
31
21
15

Precipitation Amount (mm)

0
0.01
0.02
0.05
0.08
0.13
0.2
0.23
0.17
0.08
0.05
0.04
0.06
0.08
0.09
0.08
0.09
0.24
0.68
1.04
0.75
0.31
0.12
0.08

Wind Speed/Direction (mph)

11
11
10
10
9
9
9
9
9
8
8
8
8
8
8
8
8
7
7
6
7
7
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
12
12
11
11
10
10
10
9
9
9
9
8
8
9
9
9
9
9
10
10
10
10

Relative Humidity (%)

73
72
72
74
76
75
76
77
77
77
77
77
75
75
76
79
83
86
89
90
89
84
81
76

Pressure (mb)

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

Ozone (du)

285
284
284
284
284
283
283
283
283
283
284
287
289
292
293
294
294
294
294
293
294
294
295
295

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

Generated: 23/09/20 13:03:39. Forecast: 23/09/20 to 29/09/20. Timezone: UTC+2.00