Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 2

Waxing Gibbous 100%

12:53

09:54

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
01 Bad

Sun - Rise: 09:25, Set: 15:28, Transit: 12:26. Moon - Rise: 12:53, Set: 09:54. Civil Dark: 16:24 - 08:28. Nautical Dark: 17:21 - 07:32. Astro Dark: 18:12 - 06:40

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

100
87
90
97
90
85
90
88
87
87
86
85
89
93
97
96
92
92
91
91
92
88
90
93

Medium Clouds (% Sky Obscured)

100
100
100
97
99
100
100
98
98
99
100
100
100
98
97
72
53
49
34
37
47
78
96
98

High Clouds (% Sky Obscured)

15
98
90
100
100
62
100
100
58
50
34
30
28
40
39
59
49
23
22
30
39
40
24
15

ISS Passover

Visibility (miles)

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

Fog (%)

1
2
2
3
2
2
1
1
2
2
2
3
3
3
3
2
2
2
1
1
1
1
2
1

Precipitation Type

Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

50
59
67
66
65
65
68
66
67
69
66
66
63
57
56
54
52
50
47
48
45
48
49
47

Precipitation Amount (mm)

0.2
0.2
0.4
0.4
0.4
0.3
0.4
0.3
0.3
0.4
0.3
0.4
0.3
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-6
-6
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
89
90
92
90
92
92
92
90
92
90
92
90
92
94
94
94
92
94
94
94
92
92
92

Pressure (mb)

985
985
984
984
984
984
984
984
985
985
985
984
985
985
985
985
985
985
986
986
986
987
987
987

Ozone (du)

351
346
341
341
342
347
354
360
363
366
370
370
369
366
361
359
361
362
364
366
368
370
371
373

Saturday 3

Full Moon 100%

14:30

10:36

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
01 Bad

Sun - Rise: 09:24, Set: 15:29, Transit: 12:27. Moon - Rise: 14:30, Set: 10:36. Civil Dark: 16:26 - 08:28. Nautical Dark: 17:22 - 07:31. Astro Dark: 18:13 - 06:40

Total Clouds (% Sky Obscured)

96
96
98
96
99
98
98
98
98
100
100
99
98
100
100
100
100
100
100
99
99
99
100
100

Low Clouds (% Sky Obscured)

93
94
96
91
93
95
94
90
88
85
92
95
93
90
90
88
89
90
90
91
94
97
97
98

Medium Clouds (% Sky Obscured)

76
83
89
87
95
89
88
92
86
98
100
96
92
100
100
100
100
100
100
95
93
94
96
79

High Clouds (% Sky Obscured)

18
38
45
38
23
19
36
28
39
39
25
30
26
33
42
40
43
29
30
31
47
46
25
3

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
1
1
2
1
1
0
0
0
0
0
1
0
1
1
3
2
0

Fog (%)

2
3
3
4
2
2
1
1
1
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

45
46
42
40
39
40
42
38
32
34
31
38
41
42
47
49
54
56
55
51
52
49
50
49

Precipitation Amount (mm)

0.1
0.2
0.1
0
0.1
0.1
0.2
0.1
0
0
0
0
0.1
0.1
0.1
0.1
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-5
-5
-6
-7
-7
-8
-8
-8
-9
-8
-8
-8
-8
-8
-8
-9
-9
-9
-9
-9
-10
-10
-10
-10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
92
90
90
90
90
88
88
87
88
88
90
90
90
88
88
88
88
88
87
88
90

Pressure (mb)

987
988
988
988
988
988
989
989
990
990
990
990
990
991
991
991
992
992
992
992
993
993
993
994

Ozone (du)

371
367
367
370
373
375
379
382
382
383
383
384
384
384
384
385
386
388
389
390
390
390
390
388

Sunday 4

Waning Gibbous 97%

16:27

10:49

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
01 Bad

Sun - Rise: 09:23, Set: 15:31, Transit: 12:27. Moon - Rise: 16:27, Set: 10:49. Civil Dark: 16:27 - 08:27. Nautical Dark: 17:23 - 07:31. Astro Dark: 18:15 - 06:40

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
96
99
100
100
100
100
100
98
91
99
94
84
73
62
68
75
81

Low Clouds (% Sky Obscured)

98
97
94
92
88
87
88
86
86
86
83
84
83
82
80
77
75
70
47
23
0
0
0
0

Medium Clouds (% Sky Obscured)

71
82
99
100
99
82
56
59
63
62
67
72
72
77
77
73
84
76
73
72
62
68
75
81

High Clouds (% Sky Obscured)

2
2
16
26
34
24
9
10
6
4
8
11
13
13
16
12
10
13
9
16
24
30
22
30

ISS Passover

Visibility (miles)

0
0
0
1
0
0
0
0
0
1
0
1
1
1
1
1
1
1
1
1
1
2
3
3

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

51
49
44
41
41
38
41
38
38
34
29
32
34
30
29
29
24
21
12
16
9
6
6
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
88
90
88
90
88
90
90
88
88
88
90
90
90
92
90
90
92
92
92
92
92

Pressure (mb)

994
994
994
995
995
995
996
996
997
997
998
998
998
999
1000
1000
1000
1001
1001
1002
1003
1003
1004
1004

Ozone (du)

387
388
389
390
391
391
391
389
389
388
389
388
388
389
389
389
390
391
391
390
389
389
391
390

Monday 5

Waning Gibbous 97%

18:19

10:54

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
01 Bad

Sun - Rise: 09:22, Set: 15:33, Transit: 12:27. Moon - Rise: 18:19, Set: 10:54. Civil Dark: 16:29 - 08:26. Nautical Dark: 17:25 - 07:30. Astro Dark: 18:16 - 06:39

Total Clouds (% Sky Obscured)

54
27
0
20
40
60
60
60
61
68
75
82
88
94
99
92
88
83
82
79
76
73
66
63

Low Clouds (% Sky Obscured)

0
0
0
20
40
60
60
60
61
47
31
15
45
71
95
85
77
70
66
58
58
60
59
58

Medium Clouds (% Sky Obscured)

54
27
0
0
5
5
5
10
15
36
60
80
84
91
95
68
50
23
16
14
12
20
28
35

High Clouds (% Sky Obscured)

32
27
0
20
26
22
19
2
4
7
13
18
13
7
1
1
0
0
4
7
12
12
11
10

ISS Passover

Visibility (miles)

3
1
0
0
0
0
0
0
0
0
1
3
8
9
9
9
9
7
6
9
9
9
9
9

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

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 (%)

4
14
16
13
6
16
14
8
12
15
7
2
3
4
1
2
1
1
1
2
3
3
2
0

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
90
90
91
90
90
90
88
90
88
86
84
84
86
86
86
88
86
88
88
88
88
86
86

Pressure (mb)

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

Ozone (du)

389
389
391
393
393
392
391
387
385
385
386
386
386
384
384
386
384
381
382
385
386
388
386
385

Tuesday 6

Waning Gibbous 91%

20:02

10:55

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
01 Bad

Sun - Rise: 09:21, Set: 15:34, Transit: 12:28. Moon - Rise: 20:02, Set: 10:55. Civil Dark: 16:30 - 08:26. Nautical Dark: 17:26 - 07:30. Astro Dark: 18:17 - 06:39

Total Clouds (% Sky Obscured)

68
68
60
59
65
61
66
64
66
65
62
59
58
59
66
69
71
75
71
66
62
64
68
76

Low Clouds (% Sky Obscured)

63
65
60
59
65
61
62
64
65
63
62
59
58
59
66
69
71
75
71
66
62
64
68
72

Medium Clouds (% Sky Obscured)

40
42
44
31
17
5
3
2
2
3
4
11
9
8
4
2
1
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

7
4
1
1
0
0
0
0
0
0
0
0
0
0
1
2
1
1
0
0
0
0
0
0

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 (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

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 (%)

2
2
0
5
6
4
5
5
2
3
2
1
3
2
0
1
1
0
2
2
1
4
4
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)

6
6
6
6
6
5
5
4
4
4
4
4
3
3
3
3
3
2
2
2
2
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-16
-16
-16
-16
-16
-16
-16
-17
-16
-16
-15
-13
-14
-14
-14
-15
-15
-17
-17
-19
-19
-20
-21
-21

Dew Point (°C)

-15
-15
-15
-15
-15
-15
-15
-16
-16
-15
-14
-13
-13
-14
-15
-17
-17
-18
-19
-19
-20
-21
-21
-21

Relative Humidity (%)

86
86
86
86
86
86
88
86
86
84
81
85
90
90
86
84
83
84
83
83
83
84
84
84

Pressure (mb)

1014
1014
1014
1014
1015
1015
1016
1016
1017
1017
1017
1017
1018
1018
1018
1019
1019
1020
1020
1021
1021
1022
1022
1022

Ozone (du)

391
396
399
400
395
395
392
395
394
392
389
386
384
384
384
384
384
384
383
384
384
384
384
384

Wednesday 7

Waning Gibbous 83%

21:37

10:55

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 OK
19 OK
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 09:20, Set: 15:36, Transit: 12:28. Moon - Rise: 21:37, Set: 10:55. Civil Dark: 16:32 - 08:25. Nautical Dark: 17:27 - 07:29. Astro Dark: 18:18 - 06:38

Total Clouds (% Sky Obscured)

75
73
66
67
72
76
89
92
92
82
73
62
55
40
35
34
33
46
52
82
91
94
96
99

Low Clouds (% Sky Obscured)

75
73
66
67
72
76
89
90
85
79
72
61
55
40
35
34
33
46
52
82
86
76
42
28

Medium Clouds (% Sky Obscured)

10
19
28
32
40
43
36
31
27
18
10
0
0
0
0
0
0
0
1
1
2
27
52
74

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
1
2
1
1
0
0
0
0
0
0
8
17
24
50
75
95

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 (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

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 (%)

1
0
0
0
0
0
0
0
0
1
1
0
1
2
0
0
1
0
0
0
0
1
1
0

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)

3
3
4
4
4
4
5
5
5
5
5
5
5
4
4
3
4
4
4
4
4
4
5
5

Chance of Frost

Temperature (°C)

-19
-18
-18
-18
-17
-16
-15
-14
-13
-11
-10
-10
-9
-10
-11
-12
-11
-10
-10
-10
-9
-9
-9
-10

Feels Like (°C)

-23
-22
-22
-22
-22
-21
-20
-16
-16
-15
-14
-14
-13
-12
-12
-12
-13
-13
-14
-12
-12
-12
-12
-12

Dew Point (°C)

-21
-20
-20
-20
-19
-18
-16
-16
-15
-13
-13
-13
-12
-13
-14
-14
-14
-14
-13
-13
-13
-12
-12
-12

Relative Humidity (%)

85
85
81
80
82
84
86
84
84
83
80
77
75
75
78
80
78
77
75
77
77
80
80
80

Pressure (mb)

1023
1023
1023
1023
1023
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024

Ozone (du)

384
386
388
389
389
389
388
389
389
389
386
383
380
377
373
370
371
371
371
373
375
377
374
371

Thursday 8

Waning Gibbous 75%

23:07

10:54

Sun - Rise: 09:19, Set: 15:38, Transit: 12:29. Moon - Rise: 23:07, Set: 10:54. Civil Dark: 16:33 - 08:24. Nautical Dark: 17:29 - 07:29. Astro Dark: 18:20 - 06:38

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 02/01/26 01:40:06. Forecast: 02/01/26 to 08/01/26. Timezone: UTC+2.00