Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 5

Waning Gibbous 97%

16:27

10:54

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

Sun - Rise: 09:22, Set: 15:31, Transit: 12:27. Moon - Rise: 16:27, Set: 10:54. Civil Dark: 16:27 - 08:26. Nautical Dark: 17:23 - 07:30. Astro Dark: 18:15 - 06:39

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
31
96
100
47
6
9
8
7
15
19
2
3
2

Low Clouds (% Sky Obscured)

90
89
87
92
92
93
93
93
94
89
83
69
18
18
3
1
1
1
7
5
5
1
1
0

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
96
90
92
92
100
41
13
7
3
2
0
0
0
0
0

High Clouds (% Sky Obscured)

38
37
28
27
30
29
37
39
30
30
36
42
37
23
16
23
3
2
1
0
0
0
0
0

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
9
6
9
4
4
9
9
9

Fog (%)

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

Precipitation Type

Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

100
100
100
100
100
100
100
100
100
100
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.2
0.2
0.1
0.1
0.1
0.2
0.3
0.2
0.2
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
13
12
14
14
13
13
13
14
15
14
15
16
16
15
13
7
6
5
4
3
3
3
3

Chance of Frost

Temperature (°C)

-9
-9
-9
-9
-9
-9
-10
-10
-10
-10
-10
-10
-10
-11
-12
-12
-18
-19
-19
-19
-18
-18
-18
-16

Feels Like (°C)

-15
-15
-15
-15
-16
-16
-16
-16
-16
-16
-17
-16
-17
-18
-18
-16
-22
-22
-22
-22
-21
-21
-20
-18

Dew Point (°C)

-10
-10
-10
-10
-10
-11
-11
-11
-11
-11
-11
-12
-12
-13
-13
-13
-20
-21
-21
-21
-20
-20
-20
-19

Relative Humidity (%)

93
93
91
90
89
89
92
91
90
88
88
88
85
86
88
90
83
85
84
84
84
83
83
81

Pressure (mb)

1000
1000
1000
1000
1001
1001
1002
1002
1003
1004
1005
1005
1006
1007
1008
1009
1010
1010
1011
1012
1012
1014
1014
1015

Ozone (du)

394
394
392
389
385
385
387
387
388
388
389
392
391
382
390
388
383
380
378
380
383
381
377
377

Tuesday 6

Waning Gibbous 91%

18:19

10:55

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

Sun - Rise: 09:21, Set: 15:33, Transit: 12:27. Moon - Rise: 18:19, Set: 10:55. Civil Dark: 16:29 - 08:26. Nautical Dark: 17:25 - 07:30. Astro Dark: 18:16 - 06:39

Total Clouds (% Sky Obscured)

1
1
1
1
2
2
1
1
4
7
7
23
29
28
64
85
87
98
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
1
1
0
0
1
2
2
2
23
29
4
6
4
2
5
5
1
1
49
58
78

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
3
10
28
40
70
75
80
75
90
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
1
1
4
7
11
25
36
36
34
32
43
56
75
83
80

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
9
9
9
9
9

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
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
0
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

2
1
2
2
2
2
2
2
2
1
1
1
1
2
3
3
4
4
5
5
6
8
9
10

Chance of Frost

Temperature (°C)

-14
-13
-14
-15
-17
-17
-18
-18
-18
-17
-17
-17
-16
-16
-15
-15
-15
-14
-13
-12
-11
-8
-7
-6

Feels Like (°C)

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

Dew Point (°C)

-17
-16
-16
-17
-19
-20
-20
-20
-20
-20
-20
-20
-19
-18
-17
-17
-17
-16
-15
-14
-13
-12
-12
-11

Relative Humidity (%)

76
76
83
84
81
81
80
80
79
78
76
76
78
81
84
86
86
84
84
83
81
72
66
63

Pressure (mb)

1015
1016
1016
1017
1017
1017
1018
1018
1018
1019
1019
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019

Ozone (du)

380
380
379
381
383
388
390
393
390
389
387
384
385
387
388
385
383
382
385
385
387
390
392
388

Wednesday 7

Waning Gibbous 83%

20:02

10:55

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 09:20, Set: 15:34, Transit: 12:28. Moon - Rise: 20:02, Set: 10:55. Civil Dark: 16:30 - 08:25. Nautical Dark: 17:26 - 07:29. Astro Dark: 18:17 - 06:38

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
100
98
97
96
95

Low Clouds (% Sky Obscured)

89
100
100
89
91
90
88
90
90
88
86
86
86
87
89
90
87
89
87
87
88
81
83
87

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
93
81
67
67
62
48
44
38
26

High Clouds (% Sky Obscured)

83
77
78
85
96
100
97
92
100
100
100
93
85
65
34
12
5
0
1
1
0
0
0
0

ISS Passover

Visibility (miles)

9
8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
1

Fog (%)

0
0
1
2
2
2
2
1
2
1
1
1
1
0
0
0
1
1
2
6
4
4
4
4

Precipitation Type

None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None

Precipitation Probability (%)

6
24
43
58
69
74
75
77
74
72
70
66
67
62
53
48
47
43
42
36
34
32
31
31

Precipitation Amount (mm)

0
0
0.2
0.3
0.5
0.5
0.5
0.5
0.5
0.5
0.4
0.4
0.4
0.4
0.2
0.2
0.2
0.2
0.2
0.1
0.1
0
0
0

Wind Speed/Direction (mph)

10
11
10
10
9
8
8
8
8
8
7
7
6
6
6
6
5
6
6
6
6
7
7
7

Chance of Frost

Temperature (°C)

-5
-5
-5
-5
-5
-5
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-5
-5
-5
-6
-6
-7
-6
-5

Feels Like (°C)

-11
-10
-9
-9
-9
-9
-9
-9
-9
-9
-9
-8
-8
-8
-8
-8
-9
-9
-9
-10
-10
-10
-10
-9

Dew Point (°C)

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

Relative Humidity (%)

70
81
90
94
94
94
96
96
96
96
96
96
96
96
96
94
94
94
92
94
96
96
94
92

Pressure (mb)

1019
1018
1018
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017

Ozone (du)

386
384
384
384
385
387
389
390
393
394
392
391
393
392
390
390
389
385
380
382
386
386
382
383

Thursday 8

Waning Gibbous 75%

21:37

10:54

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 09:19, Set: 15:36, Transit: 12:28. Moon - Rise: 21:37, Set: 10:54. Civil Dark: 16:32 - 08:24. Nautical Dark: 17:27 - 07:29. Astro Dark: 18:18 - 06:38

Total Clouds (% Sky Obscured)

97
100
97
88
83
81
78
68
67
68
72
76
83
78
82
85
88
92
96
100
100
100
100
100

Low Clouds (% Sky Obscured)

85
85
88
87
83
81
78
68
67
68
72
76
83
78
79
79
80
87
93
100
100
100
100
100

Medium Clouds (% Sky Obscured)

41
60
42
3
35
40
35
30
30
25
20
15
15
15
23
31
42
55
72
87
89
91
95
92

High Clouds (% Sky Obscured)

2
8
15
0
30
25
20
20
20
20
20
10
10
15
6
26
38
48
54
73
66
55
47
58

ISS Passover

Visibility (miles)

1
3
5
9
3
9
9
9
7
2
1
3
0
0
0
0
0
1
1
1
0
0
0
9

Fog (%)

4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow
None
None
None
None
Snow
Snow
Snow
Snow
None

Precipitation Probability (%)

28
27
23
23
19
19
17
22
24
35
36
45
51
47
37
24
21
22
24
28
29
30
30
26

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.1
0.3
0.3
0.2
0
0
0
0
0.1
0.1
0.1
0.1
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-5
-5
-5
-5
-6
-6
-6
-6
-6
-5
-5
-5
-6
-6
-6
-6
-6
-7
-7
-6
-6
-7
-7
-7

Feels Like (°C)

-9
-9
-9
-9
-10
-10
-11
-10
-10
-10
-10
-10
-11
-11
-11
-11
-11
-12
-12
-11
-11
-12
-12
-12

Dew Point (°C)

-6
-7
-7
-7
-7
-7
-8
-8
-8
-7
-7
-7
-7
-6
-7
-7
-7
-8
-8
-7
-8
-8
-8
-9

Relative Humidity (%)

92
89
85
87
89
87
90
89
85
89
89
85
92
96
94
94
92
90
90
92
90
92
90
85

Pressure (mb)

1017
1017
1017
1017
1018
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1020
1020
1020
1020

Ozone (du)

383
385
384
379
375
371
367
367
370
367
364
362
364
368
368
368
366
364
366
369
370
369
366
366

Friday 9

Waning Gibbous 65%

23:07

10:53

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
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 09:18, Set: 15:38, Transit: 12:29. Moon - Rise: 23:07, Set: 10:53. Civil Dark: 16:33 - 08:23. Nautical Dark: 17:29 - 07:28. Astro Dark: 18:20 - 06:37

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
95
90
85
80
79
77
83
83
87
82
83
89
87
90
90
90
84
82
77
80

Medium Clouds (% Sky Obscured)

90
87
92
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

68
80
88
93
100
94
87
80
84
89
94
88
81
77
57
44
17
41
71
100
100
95
91
87

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
8
9

Fog (%)

4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow
None
None
None
None
None

Precipitation Probability (%)

23
21
17
14
9
9
9
7
9
10
7
16
20
21
26
28
30
29
28
25
24
21
14
19

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.1
0.1
0.1
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-12
-11
-11
-11
-11
-11
-12
-12
-11
-12
-13
-13
-13
-14
-13
-13
-13
-13
-13
-13
-14
-15
-15
-15

Dew Point (°C)

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

Relative Humidity (%)

82
82
80
79
77
77
76
73
71
68
68
68
70
70
71
72
72
72
74
77
82
88
88
87

Pressure (mb)

1020
1020
1020
1020
1020
1021
1021
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

368
369
370
371
370
365
365
368
363
359
357
357
360
360
357
354
349
344
340
337
331
327
320
317

Saturday 10

Third Quarter 55%

00:33

10:51

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
21 OK
22 OK
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

Sun - Rise: 09:17, Set: 15:40, Transit: 12:29. Moon - Rise: 00:33, Set: 10:51. Civil Dark: 16:35 - 08:23. Nautical Dark: 17:30 - 07:27. Astro Dark: 18:21 - 06:37

Total Clouds (% Sky Obscured)

100
100
100
100
100
85
73
67
9
17
29
52
72
73
57
40
26
27
24
26
36
49
59
60

Low Clouds (% Sky Obscured)

89
98
86
79
68
58
48
38
8
14
20
27
31
29
29
33
26
27
23
20
31
46
33
23

Medium Clouds (% Sky Obscured)

100
100
100
100
100
84
66
48
9
17
29
52
61
47
34
17
6
4
2
0
0
0
0
0

High Clouds (% Sky Obscured)

77
72
51
27
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

22
22
23
23
21
23
23
10
17
17
8
19
21
9
24
24
14
19
18
6
13
12
4
12

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
9
9
9
9
9
9
9
9
7
7
7
7
6
6
6
6
6
6
6
6
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-15
-15
-15
-16
-16
-16
-17
-18
-19
-20
-20
-20
-20
-20
-20
-21
-20
-20
-21
-20
-20
-19
-18
-18

Dew Point (°C)

-11
-11
-12
-13
-13
-14
-15
-16
-16
-17
-18
-18
-19
-19
-19
-19
-19
-20
-20
-20
-20
-20
-19
-19

Relative Humidity (%)

85
87
83
81
81
80
78
78
79
77
77
77
76
76
77
74
73
70
69
69
69
69
70
69

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019

Ozone (du)

318
319
320
322
326
333
334
328
328
331
334
337
338
339
340
340
340
340
338
336
335
336
337
338

Sunday 11

Waning Crescent 45%

02:00

10:51

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

Sun - Rise: 09:16, Set: 15:42, Transit: 12:30. Moon - Rise: 02:00, Set: 10:51. Civil Dark: 16:37 - 08:22. Nautical Dark: 17:32 - 07:27. Astro Dark: 18:23 - 06:36

Total Clouds (% Sky Obscured)

55
46
29
18
12
7
5
5
5
5
7
9
11
14
15
16
20
34
44
47
54
65
74
72

Low Clouds (% Sky Obscured)

21
18
15
14
10
7
5
5
5
5
7
9
11
14
12
12
13
11
10
8
12
24
38
43

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
29
43
54
65
74
72

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
1
2
2
2
3
4
5
7
6
6
7
6

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

12
5
13
13
9
10
10
4
8
8
3
6
5
4
8
8
3
6
6
2
4
3
1
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
6
6
5
5
5
5
5
5
5
5
5
6
6
6
5
5
5
5
5
5
4
4
4

Chance of Frost

Temperature (°C)

-14
-14
-13
-13
-14
-15
-15
-16
-16
-17
-17
-16
-16
-16
-16
-15
-15
-15
-15
-14
-14
-13
-12
-12

Feels Like (°C)

-18
-19
-18
-16
-17
-17
-18
-19
-18
-20
-20
-19
-19
-19
-19
-19
-19
-18
-18
-18
-17
-17
-17
-18

Dew Point (°C)

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

Relative Humidity (%)

69
70
70
71
72
73
73
75
76
77
77
80
80
79
79
79
78
79
79
79
81
81
79
80

Pressure (mb)

1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019

Ozone (du)

340
342
344
343
342
341
342
342
342
341
340
338
338
339
339
338
337
337
337
337
336
336
335
335

Forecast for Vols, Helsinki, Finland (60.17,24.39)

Generated: 05/01/26 04:47:50. Forecast: 05/01/26 to 11/01/26. Timezone: UTC+2.00