Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 22

Waxing Crescent 34%

07:31

04:31

06 Good
07 OK
08 OK
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 OK
23 Good
00 Good
01 Good
02 Good
03 Good
04 Bad
05 OK

Sun - Rise: 05:40, Set: 20:58, Transit: 13:20. Moon - Rise: 07:31, Set: 04:31. Civil Dark: 21:47 - 04:50. Nautical Dark: 22:57 - 03:39. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
24
33
100
100
100
100
100
100
100
84
99
99
94
61
73
14
0
10
1
4
5
60
31

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
7
29
23
52
87
64
50
70
14
0
10
1
0
0
1
2

Medium Clouds (% Sky Obscured)

0
5
19
60
96
100
100
100
95
49
24
53
2
55
38
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
23
33
100
100
100
100
100
100
100
83
95
92
6
0
0
0
0
0
0
1
1
20
10

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 (%)

0
1
0
0
0
0
0
0
0
0
0
0
0
4
9
2
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)

7
7
9
11
12
12
11
12
13
14
14
14
14
14
13
13
12
13
14
15
13
12
12
12

Chance of Frost

Temperature (°C)

5
5
7
8
9
10
10
11
12
12
13
13
12
11
10
9
8
7
6
4
3
2
1
0

Feels Like (°C)

2
4
3
4
4
5
5
6
6
7
7
9
7
6
5
5
4
3
1
-1
-2
-2
-4
-6

Dew Point (°C)

-2
-0
1
-1
-1
-1
-1
-1
-1
-1
-1
0
1
1
1
1
1
-2
-6
-8
-8
-9
-9
-9

Relative Humidity (%)

65
67
65
54
51
48
49
43
41
39
39
40
46
50
54
57
60
52
42
41
44
46
49
52

Pressure (mb)

1014
1013
1013
1012
1011
1010
1009
1008
1007
1006
1005
1005
1005
1005
1005
1006
1007
1007
1008
1009
1010
1011
1012
1012

Ozone (du)

401
399
396
391
386
383
383
380
378
378
378
383
385
385
387
388
390
391
393
394
394
396
396
396

Thursday 23

Waxing Crescent 45%

09:17

04:39

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

Sun - Rise: 05:37, Set: 21:01, Transit: 13:20. Moon - Rise: 09:17, Set: 04:39. Civil Dark: 21:50 - 04:47. Nautical Dark: 23:02 - 03:34. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

3
22
5
9
23
42
42
99
100
100
93
81
89
86
96
91
100
100
100
100
99
89
91
86

Low Clouds (% Sky Obscured)

2
0
0
0
1
1
0
6
10
9
7
0
0
0
0
2
4
3
51
51
49
41
68
70

Medium Clouds (% Sky Obscured)

0
0
5
6
17
42
41
42
36
55
67
81
81
80
75
81
94
100
100
100
88
52
60
60

High Clouds (% Sky Obscured)

0
22
0
1
1
7
5
89
100
97
90
73
9
14
82
76
100
100
100
100
97
76
62
19

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 (%)

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 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)

12
12
12
13
14
14
14
14
15
14
13
12
10
9
8
7
6
5
5
5
5
6
7
7

Chance of Frost

Temperature (°C)

-1
-0
1
2
3
5
6
8
9
9
10
10
10
9
8
7
6
5
5
4
4
4
3
3

Feels Like (°C)

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

Dew Point (°C)

-8
-8
-8
-9
-10
-10
-9
-8
-7
-7
-6
-6
-5
-5
-6
-6
-6
-6
-5
-5
-4
-4
-4
-3

Relative Humidity (%)

55
54
50
44
37
34
33
32
32
32
32
32
33
36
36
38
41
44
48
51
55
57
60
63

Pressure (mb)

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

Ozone (du)

393
389
389
392
397
399
398
398
397
396
396
395
392
389
387
388
388
386
387
388
390
388
388
389

Friday 24

First Quarter 57%

11:07

04:41

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

Sun - Rise: 05:34, Set: 21:03, Transit: 13:20. Moon - Rise: 11:07, Set: 04:41. Civil Dark: 21:53 - 04:43. Nautical Dark: 23:06 - 03:29. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
86
66
47
42
56
39
32
32
63
51
99
92
97
100
100
100
99
90
96
100
100
100
100

Low Clouds (% Sky Obscured)

83
49
65
44
36
54
39
27
12
26
24
9
31
11
39
27
36
41
68
78
82
81
81
81

Medium Clouds (% Sky Obscured)

89
11
0
0
2
2
3
4
3
21
21
67
73
96
99
100
100
98
87
93
88
92
96
90

High Clouds (% Sky Obscured)

39
69
5
11
10
11
2
1
12
13
6
3
58
20
0
2
15
27
18
10
100
93
94
72

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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
12
18
26
46
30
32
34

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)

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

Chance of Frost

Temperature (°C)

3
4
5
7
9
10
11
12
12
13
13
13
12
12
10
8
8
7
6
6
5
5
5
4

Feels Like (°C)

-1
-0
2
5
6
7
8
9
10
11
10
10
11
9
5
4
4
4
3
2
2
1
1
1

Dew Point (°C)

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

Relative Humidity (%)

68
62
55
48
42
37
34
32
30
30
29
29
30
33
47
56
58
62
61
64
70
72
72
75

Pressure (mb)

1007
1007
1007
1007
1007
1007
1007
1007
1007
1006
1006
1005
1005
1004
1004
1004
1003
1003
1002
1001
1000
999
998
997

Ozone (du)

386
385
383
379
378
378
379
380
379
376
375
375
374
376
387
384
383
384
385
394
399
398
401
403

Saturday 25

Waxing Gibbous 68%

12:51

04:42

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 OK
00 OK
01 OK
02 OK
03 Good
04 Good
05 OK

Sun - Rise: 05:31, Set: 21:06, Transit: 13:20. Moon - Rise: 12:51, Set: 04:42. Civil Dark: 21:56 - 04:40. Nautical Dark: 23:10 - 03:24. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
94
88
83
88
94
99
98
98
96
74
52
34
23
12
10
2
6
15

Low Clouds (% Sky Obscured)

81
81
80
72
64
56
61
66
71
75
79
83
71
59
46
27
14
1
0
1
10
2
6
15

Medium Clouds (% Sky Obscured)

100
100
100
98
95
95
85
67
56
70
84
82
81
75
69
60
42
27
18
8
0
2
0
15

High Clouds (% Sky Obscured)

78
57
55
0
0
0
0
0
0
29
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
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

34
35
36
32
24
12
43
59
67
68
68
65
53
39
21
18
13
1
2
3
2
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.3
0.4
0.4
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

4
5
6
7
7
8
9
9
9
9
7
6
5
5
4
3
2
2
1
1
1
0
-0
-0

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
72
68
58
44
39
35
33
33
35
40
45
49
48
57
68
76
83
89
91
91
92
92
87

Pressure (mb)

996
995
994
994
993
992
991
991
991
991
991
992
992
993
993
994
995
995
996
997
997
998
999
1000

Ozone (du)

408
414
421
426
429
430
432
433
435
435
436
438
439
440
440
439
439
439
439
438
438
437
434
431

Sunday 26

Waxing Gibbous 77%

14:27

04:41

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

Sun - Rise: 05:28, Set: 21:08, Transit: 13:20. Moon - Rise: 14:27, Set: 04:41. Civil Dark: 21:59 - 04:37. Nautical Dark: 23:15 - 03:19. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

20
30
35
48
66
86
77
62
49
43
44
48
42
46
53
24
12
5
25
65
80
66
47
26

Low Clouds (% Sky Obscured)

12
3
20
23
30
38
26
13
5
8
7
10
7
3
0
24
12
5
25
45
60
46
29
18

Medium Clouds (% Sky Obscured)

20
30
35
48
65
78
73
62
49
41
44
48
42
27
40
24
12
5
25
19
6
4
2
0

High Clouds (% Sky Obscured)

2
5
5
4
4
8
10
14
15
10
5
5
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
0
0
0
0
0
9
9
9
9
9
9
7
0
3
6
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
4
21
24
9
4
8
7
6
8
5
0
1
2
1
4
3
1
4
2
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
12
13
14
15
15
16
15
15
15
15
15
14
13
11
10
11
10
10
11
11
11
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
77
77
91
93
93
94
93
90
81
75
74
78
82
88
94
88
82
76
74
73
69
70
70

Pressure (mb)

1000
1001
1002
1003
1004
1005
1006
1006
1007
1008
1009
1010
1011
1012
1012
1013
1013
1014
1014
1015
1015
1015
1016
1016

Ozone (du)

428
426
424
423
423
423
422
421
420
421
421
421
422
422
421
420
419
418
417
419
420
421
423
424

Monday 27

Waxing Gibbous 86%

15:57

04:40

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

Sun - Rise: 05:26, Set: 21:11, Transit: 13:20. Moon - Rise: 15:57, Set: 04:40. Civil Dark: 22:02 - 04:33. Nautical Dark: 23:20 - 03:14. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

15
7
1
17
36
54
67
73
74
68
71
78
59
38
18
13
9
7
18
28
39
58
76
90

Low Clouds (% Sky Obscured)

12
6
1
4
9
9
11
16
21
36
50
64
43
26
10
8
5
0
4
11
23
46
67
89

Medium Clouds (% Sky Obscured)

0
0
0
12
27
43
59
73
74
68
68
54
38
32
18
9
5
5
12
19
26
44
65
85

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
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 (%)

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
7
10
11
14
17
18
17
14
6
7
7
3
5
4
0
1
0
0
6
7
8

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
10
11
11
12
12
13
13
13
12
12
11
11
9
7
5
5
5
5
5
6
6
5
5

Chance of Frost

Temperature (°C)

-1
0
2
3
4
5
6
7
7
8
8
8
7
6
5
4
3
2
1
0
0
0
0
1

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
61
55
48
41
34
27
26
25
24
24
25
24
28
34
38
42
47
52
54
58
60
61
64

Pressure (mb)

1017
1017
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1015

Ozone (du)

425
425
424
424
423
423
423
422
422
421
420
418
416
416
415
415
415
416
416
416
416
416
417
417

Tuesday 28

Waxing Gibbous 92%

17:25

04:39

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
02 Bad

Sun - Rise: 05:23, Set: 21:13, Transit: 13:19. Moon - Rise: 17:25, Set: 04:39. Civil Dark: 22:05 - 04:30. Nautical Dark: 23:25 - 03:09. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

85
70
65
60
69
80
86
93
100
91
82
71
65
59
54
66
82
100
100
100
100

Low Clouds (% Sky Obscured)

85
70
65
60
50
34
36
39
47
52
52
57
52
51
44
30
16
2
1
1
0

Medium Clouds (% Sky Obscured)

57
29
0
3
3
4
0
0
0
0
3
4
5
8
8
28
53
75
79
79
78

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
3
4
36
68
100
100
99
99

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

Fog (%)

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

Precipitation Probability (%)

8
7
3
8
10
11
14
15
16
16
16
16
16
14
6
8
6
1
2
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

Wind Speed/Direction (mph)

4
6
7
8
9
11
12
12
12
12
12
12
11
10
9
8
7
6
6
7
7

Chance of Frost

Temperature (°C)

1
2
3
4
5
5
6
7
8
9
9
9
9
7
6
5
4
3
2
1
1

Feels Like (°C)

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

Dew Point (°C)

-5
-4
-4
-3
-3
-3
-3
-5
-7
-8
-9
-9
-9
-9
-8
-8
-7
-7
-6
-6
-5

Relative Humidity (%)

65
64
62
61
58
56
55
44
36
30
29
27
26
30
35
39
45
51
58
61
64

Pressure (mb)

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

Ozone (du)

418
418
418
419
421
424
426
429
432
435
438
442
445
443
441
438
439
440
441
441
441

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

Generated: 22/04/26 06:32:09. Forecast: 22/04/26 to 28/04/26. Timezone: UTC+3.00