Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 24

Waxing Crescent 37%

07:20

04:27

14 OK
15 OK
16 OK
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
13 Bad

Sun - Rise: 06:06, Set: 18:47, Transit: 12:28. Moon - Rise: 07:20, Set: 04:27. Civil Dark: 19:29 - 05:24. Nautical Dark: 20:20 - 04:33. Astro Dark: 21:17 - 03:35

Total Clouds (% Sky Obscured)

22
36
34
100
100
100
100
100
100
100
99
97
97
99
100
100
100
100
100
100
100
100
98
94

Low Clouds (% Sky Obscured)

0
0
1
25
27
74
80
80
90
100
97
95
92
96
96
99
100
100
100
100
100
100
96
69

Medium Clouds (% Sky Obscured)

22
30
34
98
99
87
88
80
67
38
24
41
34
29
100
100
100
93
94
95
80
97
94
72

High Clouds (% Sky Obscured)

22
27
17
100
20
100
98
100
100
100
86
47
35
42
100
100
100
100
100
67
100
20
20
18

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
1
0
1
9
6
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
3
8
3
1
1
16
11
4
1

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
2
35
54
31
36
20
14
5
7
8
1
1
2
19
70
85
70
58
55
95

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
0.4
0.3
0.2
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
6
5
4
4
3
3
2
3
3
3
3
3
3
3
3
3
3
3
4
4
5
5
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
57
58
57
57
61
68
86
85
91
91
91
93
94
94
96
96
94
96
96
96
94
91
88

Pressure (mb)

1008
1007
1006
1005
1004
1003
1002
1001
999
998
997
997
996
996
996
995
994
994
993
992
992
991
991
990

Ozone (du)

403
400
399
397
394
392
391
392
392
393
393
393
393
390
389
388
388
386
385
384
386
388
389
390

Wednesday 25

First Quarter 49%

08:47

05:10

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
13 Bad

Sun - Rise: 06:03, Set: 18:49, Transit: 12:27. Moon - Rise: 08:47, Set: 05:10. Civil Dark: 19:31 - 05:21. Nautical Dark: 20:23 - 04:29. Astro Dark: 21:21 - 03:31

Total Clouds (% Sky Obscured)

100
100
99
98
100
100
95
99
100
100
87
100
99
83
64
60
59
67
70
80
76
72
100
99

Low Clouds (% Sky Obscured)

58
69
53
40
47
70
77
63
48
50
86
92
93
83
52
58
58
67
70
80
76
72
100
96

Medium Clouds (% Sky Obscured)

100
100
98
94
100
100
87
96
76
93
78
83
81
15
24
0
0
0
1
0
0
0
0
40

High Clouds (% Sky Obscured)

100
53
71
77
100
100
18
48
100
81
4
1
1
1
1
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

2
5
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
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

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

Precipitation Probability (%)

82
58
46
38
28
16
2
4
2
1
8
0
0
0
0
0
0
0
0
0
1
13
7
25

Precipitation Amount (mm)

0.6
0.3
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)

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

Chance of Frost

Temperature (°C)

6
6
6
7
7
6
6
6
6
5
4
4
4
4
3
3
2
3
3
4
4
4
5
4

Feels Like (°C)

1
1
1
2
2
2
2
1
0
-1
-1
0
-1
-1
-1
-2
-2
-2
-2
-0
0
1
0
-2

Dew Point (°C)

4
5
4
4
4
3
3
4
4
3
2
3
2
2
2
1
1
1
1
1
0
-0
1
1

Relative Humidity (%)

90
91
84
81
81
79
81
82
88
86
86
91
86
86
89
91
89
86
83
79
76
72
73
76

Pressure (mb)

990
989
989
989
989
988
988
988
989
989
989
990
990
991
991
992
992
993
994
995
995
996
997
997

Ozone (du)

389
388
388
389
391
391
391
391
392
394
396
396
399
403
407
411
414
417
420
420
424
427
426
430

Thursday 26

Waxing Gibbous 61%

10:36

05:24

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 OK
06 Good
07 Good
08 Good
09 Good
10 Good
11 Good
12 Good
13 Good

Sun - Rise: 06:00, Set: 18:52, Transit: 12:27. Moon - Rise: 10:36, Set: 05:24. Civil Dark: 19:34 - 05:18. Nautical Dark: 20:26 - 04:26. Astro Dark: 21:24 - 03:27

Total Clouds (% Sky Obscured)

100
100
100
96
96
88
78
93
97
94
93
90
91
85
66
40
7
0
6
11
17
11
6
0

Low Clouds (% Sky Obscured)

99
100
100
90
91
82
78
87
95
90
87
80
85
73
64
40
7
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

55
30
32
31
17
4
0
6
27
29
16
45
46
32
1
0
0
0
5
10
13
10
5
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
5
0
0
2
3
6
9
9
9
9
9
9
9
9
9
9
9
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 (%)

28
26
33
33
23
15
2
0
0
0
0
0
6
7
0
0
0
0
0
0
0
0
0
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)

15
15
15
14
13
11
11
11
11
11
11
10
9
8
7
5
4
5
7
8
9
10
11
11

Chance of Frost

Temperature (°C)

4
4
3
3
3
2
2
2
2
2
2
2
1
1
1
-0
-1
-1
1
3
4
5
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
85
94
94
93
93
91
88
88
91
91
93
93
93
94
94
94
89
80
67
61
57
56
55

Pressure (mb)

997
998
998
999
1000
1000
1001
1002
1002
1003
1003
1004
1004
1005
1005
1006
1007
1008
1009
1009
1010
1010
1011
1011

Ozone (du)

435
437
438
439
436
434
434
433
434
435
434
433
429
425
423
422
424
436
450
463
476
481
474
462

Friday 27

Waxing Gibbous 72%

12:25

05:29

14 Good
15 Good
16 Good
17 Good
18 Good
19 Good
20 OK
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
13 Bad

Sun - Rise: 05:57, Set: 18:54, Transit: 12:27. Moon - Rise: 12:25, Set: 05:29. Civil Dark: 19:36 - 05:15. Nautical Dark: 20:29 - 04:22. Astro Dark: 21:28 - 03:22

Total Clouds (% Sky Obscured)

0
0
0
6
12
18
40
62
84
89
91
99
100
100
99
99
99
100
100
100
100
99
99
98

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
23
36
58
63
77
77
81
88
91
93
91
90

Medium Clouds (% Sky Obscured)

0
0
0
6
12
18
34
48
60
61
59
57
68
91
98
88
96
93
90
94
87
91
95
95

High Clouds (% Sky Obscured)

0
0
0
0
0
1
22
58
72
58
71
96
97
94
77
91
92
99
73
51
18
10
8
5

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
2
0
0

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
Very Light Rain
Very Light Rain
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
15
22
29
40
50
58
62
69
79

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
6
6
5
3
2
0
-0
0
1
1
1
1
1
1
1
1
1
2
2
3
3
2
2

Feels Like (°C)

3
3
3
2
1
-1
-2
-3
-4
-4
-2
-2
-4
-4
-4
-4
-4
-3
-3
-2
-3
-2
-2
-2

Dew Point (°C)

-2
-2
-2
-1
-2
-2
-3
-3
-3
-4
-4
-4
-4
-4
-4
-3
-1
-1
-1
-1
-1
1
1
2

Relative Humidity (%)

54
56
58
62
69
77
80
83
80
74
71
70
73
73
71
78
86
88
84
81
79
86
94
96

Pressure (mb)

1011
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

450
432
421
416
409
401
395
391
387
382
378
374
373
371
370
368
367
366
366
366
366
366
366
365

Saturday 28

Waxing Gibbous 81%

15:07

06:30

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
04 Bad
05 Bad
06 Bad
07 Bad
08 OK
09 OK
10 OK
11 OK
12 Bad
13 Bad
14 Bad

Sun - Rise: 06:54, Set: 18:56, Transit: 13:27. Moon - Rise: 15:07, Set: 06:30. Civil Dark: 19:39 - 06:12. Nautical Dark: 20:32 - 05:19. Astro Dark: 21:31 - 04:18

Total Clouds (% Sky Obscured)

99
99
100
98
96
94
96
98
100
100
100
100
96
91
82
65
48
29
32
35
37
50
64
76

Low Clouds (% Sky Obscured)

93
96
100
98
96
94
96
98
100
100
100
100
92
84
76
59
43
26
27
28
29
36
43
48

Medium Clouds (% Sky Obscured)

90
85
81
66
14
6
35
35
35
27
0
0
0
0
0
0
0
0
3
5
11
16
22
28

High Clouds (% Sky Obscured)

5
5
10
5
12
15
8
0
0
0
0
0
0
0
0
5
6
7
6
4
5
7
5
7

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
7
7
6
5
6
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

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

Precipitation Probability (%)

76
73
68
56
41
29
38
41
37
24
6
1
5
4
1
3
3
1
2
0
0
0
1
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
0
1
1
2
3
5
6
6
6

Feels Like (°C)

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

Dew Point (°C)

1
1
1
1
1
1
1
1
1
0
0
0
-0
-1
-0
-0
-0
-0
-0
1
2
2
2
2

Relative Humidity (%)

94
96
96
96
96
96
96
98
98
96
96
96
93
92
94
96
93
89
86
83
80
78
75
71

Pressure (mb)

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

Ozone (du)

365
365
366
368
368
367
369
370
377
383
387
391
392
393
394
394
394
395
395
395
395
396
397
397

Sunday 29

Waxing Gibbous 89%

15:07

06:30

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
13 Bad

Sun - Rise: 06:51, Set: 19:59, Transit: 13:26. Moon - Rise: 15:07, Set: 06:30. Civil Dark: 20:41 - 06:09. Nautical Dark: 21:34 - 05:15. Astro Dark: 22:35 - 04:14

Total Clouds (% Sky Obscured)

76
76
75
75
78
81
87
87
84
82
82
85
82
59
48
46
45
43
54
60
84
93
94
96

Low Clouds (% Sky Obscured)

48
46
50
50
55
57
60
69
77
82
82
76
65
53
48
46
45
43
54
60
84
86
73
39

Medium Clouds (% Sky Obscured)

28
22
21
15
16
9
8
6
3
0
22
46
65
44
20
0
0
0
0
4
6
9
21
34

High Clouds (% Sky Obscured)

7
5
2
0
33
67
87
63
30
0
0
0
0
0
0
0
0
1
1
26
51
73
82
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
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 (%)

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
69
70
72
73
79
85
89
89
91
91
91
91
91
92
92
94
91
89
84
78
70
65
61

Pressure (mb)

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

Ozone (du)

397
398
405
411
417
425
433
441
448
454
461
466
471
476
469
462
455
452
448
444
443
442
441
440

Monday 30

Waxing Gibbous 95%

16:42

06:29

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

Sun - Rise: 06:48, Set: 20:01, Transit: 13:26. Moon - Rise: 16:42, Set: 06:29. Civil Dark: 20:44 - 06:05. Nautical Dark: 21:37 - 05:12. Astro Dark: 22:39 - 04:09

Total Clouds (% Sky Obscured)

98
95
91
86
91
95
100
100
100
100
100
100
100
100
100
100
99
95
91

Low Clouds (% Sky Obscured)

26
33
44
53
42
35
31
44
59
69
66
64
61
66
74
83
74
63
50

Medium Clouds (% Sky Obscured)

50
64
78
86
91
95
100
98
96
93
92
93
93
96
97
98
96
94
91

High Clouds (% Sky Obscured)

92
63
31
0
33
67
100
97
93
90
93
97
100
67
33
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

Fog (%)

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
Snow

Precipitation Probability (%)

0
2
2
2
2
2
0
2
6
14
16
16
11
20
25
29
32
35
38

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

4
5
5
4
4
3
2
1
1
1
1
1
0
0
0
1
1
1
1

Feels Like (°C)

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

Dew Point (°C)

-4
-4
-3
-3
-2
-2
-1
-2
-2
-2
-3
-3
-3
-3
-3
-2
-2
-2
-3

Relative Humidity (%)

55
53
57
61
67
72
77
80
80
80
78
78
78
80
80
81
81
78
74

Pressure (mb)

1006
1006
1006
1006
1006
1006
1007
1007
1007
1007
1008
1008
1008
1008
1009
1009
1010
1010
1010

Ozone (du)

439
438
434
430
426
430
433
437
438
439
440
447
454
461
461
461
461
463
464

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

Generated: 24/03/26 13:49:47. Forecast: 24/03/26 to 30/03/26. Timezone: UTC+2.00