Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 22

Waxing Crescent 31%

09:17

04:31

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

Sun - Rise: 05:40, Set: 20:58, Transit: 13:20. Moon - Rise: 09:17, 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)

33
49
53
13
0
0
0
0
0
1
3
7
17
15
13
40
53
98
92
100
100
100
91
79

Low Clouds (% Sky Obscured)

33
49
40
5
0
0
0
0
0
0
0
0
0
0
0
0
21
22
46
57
46
35
13
1

Medium Clouds (% Sky Obscured)

33
23
36
0
0
0
0
0
0
0
0
0
0
4
2
8
19
44
42
72
88
96
74
67

High Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
0
1
2
7
17
7
10
11
8
74
17
89
100
100
20
12

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
15
14
1
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)

16
14
14
12
14
15
14
11
10
10
10
10
11
11
13
14
14
14
14
15
15
13
12
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-1
-1
1
2
-1
-7
-9
-9
-9
-9
-9
-9
-9
-9
-10
-10
-9
-9
-7
-6
-6
-6
-5
-5

Relative Humidity (%)

51
54
64
62
54
40
41
44
48
50
52
53
53
49
42
37
35
33
34
34
33
33
34
36

Pressure (mb)

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

Ozone (du)

388
389
389
392
391
391
389
389
391
393
390
388
388
390
394
398
398
400
397
395
394
393
392
393

Thursday 23

Waxing Crescent 45%

11:07

04:39

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

Sun - Rise: 05:37, Set: 21:01, Transit: 13:20. Moon - Rise: 11:07, 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)

80
99
100
100
95
93
99
98
100
100
92
69
91
100
94
44
61
48
49
44
64
45
83
93

Low Clouds (% Sky Obscured)

2
9
2
1
1
3
8
9
7
36
38
0
0
0
0
13
40
12
4
0
1
1
31
41

Medium Clouds (% Sky Obscured)

72
96
82
85
84
62
71
72
59
87
38
41
34
20
60
33
24
21
20
15
13
29
63
84

High Clouds (% Sky Obscured)

19
99
100
99
88
80
94
93
100
100
70
43
78
100
72
23
42
43
48
44
38
20
2
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
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)

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

Chance of Frost

Temperature (°C)

9
8
6
5
5
4
4
3
3
2
2
2
3
4
6
8
10
11
12
12
12
13
13
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

38
42
50
57
62
63
66
68
72
73
76
76
70
63
65
63
56
50
43
39
35
33
31
31

Pressure (mb)

1010
1010
1010
1010
1010
1009
1009
1008
1008
1007
1007
1007
1006
1007
1006
1006
1006
1006
1006
1005
1005
1005
1004
1004

Ozone (du)

393
391
389
388
386
385
386
387
388
386
384
383
382
379
377
376
374
374
374
373
373
372
370
369

Friday 24

First Quarter 57%

12:51

04:41

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 05:34, Set: 21:03, Transit: 13:20. Moon - Rise: 12:51, 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)

92
100
99
92
56
90
92
91
97
100
96
100
100
100
100
100
100
100
97
100
100
100
100
100

Low Clouds (% Sky Obscured)

45
37
5
5
9
28
70
77
70
79
76
38
64
67
42
67
57
56
57
50
53
56
60
73

Medium Clouds (% Sky Obscured)

86
100
94
90
48
66
56
60
55
100
95
92
100
98
100
100
100
100
92
99
100
86
80
92

High Clouds (% Sky Obscured)

1
80
44
19
2
35
64
19
67
100
30
100
100
100
100
10
20
10
0
15
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
3

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
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
4
18
30
37
20
26
10
0
13
12
7
11
30
52
58
41
48
59
66

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
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
10
8
7
6
5
5
4
4
4
5
5
5
6
7
8
9
8
8
7
7
8
9
8

Feels Like (°C)

8
6
4
3
2
3
1
1
2
1
1
1
1
2
3
3
3
4
3
3
3
5
8
4

Dew Point (°C)

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

Relative Humidity (%)

36
43
52
58
64
70
73
77
80
76
68
71
70
64
58
50
43
46
52
66
67
53
43
57

Pressure (mb)

1003
1003
1003
1002
1002
1001
1001
1000
999
998
997
996
995
994
993
992
992
991
990
990
989
988
988
988

Ozone (du)

369
369
372
374
375
377
378
383
387
393
396
398
404
405
412
418
419
420
422
423
424
425
425
425

Saturday 25

Waxing Gibbous 68%

14:27

04:42

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

Sun - Rise: 05:31, Set: 21:06, Transit: 13:20. Moon - Rise: 14:27, 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
81
62
43
39
36
33
47
63
77
62
50
35
53
70
88
80
75
68
37

Low Clouds (% Sky Obscured)

87
100
93
86
78
52
26
0
0
0
5
5
3
4
6
7
5
5
5
3
2
13
1
2

Medium Clouds (% Sky Obscured)

84
65
73
91
99
81
62
43
39
36
33
47
63
77
62
50
35
53
70
80
70
75
68
26

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
30
30
25
20
20
1
1
1
3
3
7
5
7
0
0

ISS Passover

Visibility (miles)

4
3
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

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

Precipitation Probability (%)

65
60
62
58
47
37
28
10
10
7
3
2
1
1
0
1
0
0
0
0
1
4
6
7

Precipitation Amount (mm)

0.3
0.2
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
14
17
18
18
19
18
18
19
19
18
18
18
18
18
19
19
20
19
19
18
17
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
86
86
83
81
75
66
59
56
53
50
50
51
53
53
51
44
41
38
34
31
30
29
33

Pressure (mb)

988
989
990
991
992
993
994
994
995
996
997
998
999
1000
1001
1002
1002
1003
1004
1004
1005
1006
1006
1007

Ozone (du)

425
425
427
427
425
422
423
424
422
421
424
429
430
429
431
433
436
438
440
442
443
443
443
443

Sunday 26

Waxing Gibbous 77%

15:57

04:41

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

Sun - Rise: 05:28, Set: 21:08, Transit: 13:20. Moon - Rise: 15:57, 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)

19
3
4
4
3
2
0
0
0
0
0
23
41
51
21
39
54
60
70
94
95
97
98
72

Low Clouds (% Sky Obscured)

2
1
1
1
1
0
0
0
0
0
0
0
0
0
10
20
28
42
59
81
86
90
96
72

Medium Clouds (% Sky Obscured)

12
0
0
0
0
0
0
0
0
0
0
17
36
51
10
20
26
24
25
39
36
40
40
27

High Clouds (% Sky Obscured)

0
0
0
0
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
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 (%)

6
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
13
16
7
23
28
27
28

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
14
14
13
13
12
12
12
12
11
11
10
11
11
12
14
15
16
16
16
16
16
15
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-6
-5
-5
-5
-6
-7
-7
-7
-7
-7
-7
-7
-6
-6
-7
-8
-9
-10
-10
-10
-10
-11
-11
-12

Relative Humidity (%)

41
50
53
52
53
53
54
55
57
60
60
62
61
56
45
39
34
29
28
28
27
27
27
27

Pressure (mb)

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

Ozone (du)

442
446
447
445
443
442
442
441
439
439
439
438
436
434
433
434
435
436
438
441
443
444
444
445

Monday 27

Waxing Gibbous 86%

17:25

04:40

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

Sun - Rise: 05:26, Set: 21:11, Transit: 13:19. Moon - Rise: 17:25, 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)

50
42
47
56
59
67
67
60
48
39
35
25
20
20
16
12
9
38
66
95
97
98
100
96

Low Clouds (% Sky Obscured)

50
34
36
41
23
16
14
12
14
19
22
25
20
20
16
12
9
38
66
92
93
94
96
92

Medium Clouds (% Sky Obscured)

17
0
11
24
38
50
62
60
48
39
35
25
20
20
14
9
9
32
56
80
85
92
98
77

High Clouds (% Sky Obscured)

0
0
0
0
0
5
9
13
11
8
4
6
9
12
11
11
9
19
26
33
22
11
0
3

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 (%)

29
30
25
18
1
1
1
0
0
0
0
0
0
0
3
3
1
4
3
0
2
4
4
5

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-11
-9
-9
-8
-8
-8
-7
-7
-7
-7
-7
-6
-7
-7
-7
-8
-8
-9
-8
-6
-5
-5
-5
-4

Relative Humidity (%)

31
36
41
43
45
47
50
52
55
56
56
57
51
47
42
37
34
31
31
33
34
35
36
37

Pressure (mb)

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

Ozone (du)

449
452
456
457
458
459
460
462
464
463
462
462
463
465
467
467
466
465
468
470
473
471
470
469

Tuesday 28

Waxing Gibbous 92%

18:53

04:39

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
14 Bad

Sun - Rise: 05:23, Set: 21:13, Transit: 13:19. Moon - Rise: 18:53, 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)

92
88
77
69
68
73
78
83
86
90
94
93
92
90
94
97
100
97
93
90

Low Clouds (% Sky Obscured)

87
82
61
47
39
42
43
42
48
58
64
69
72
76
84
91
99
97
93
90

Medium Clouds (% Sky Obscured)

55
34
24
13
5
1
1
2
30
58
85
86
79
61
65
73
83
78
72
65

High Clouds (% Sky Obscured)

6
9
33
60
68
73
78
83
67
33
0
5
10
15
10
5
0
1
1
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
7
6
4
6
7
9
9
9

Fog (%)

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

Precipitation Probability (%)

4
0
0
0
0
2
3
2
10
13
14
14
14
13
15
16
17
15
12
7

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

39
40
41
44
50
55
58
60
63
69
73
80
77
74
72
71
68
66
62
59

Pressure (mb)

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

Ozone (du)

467
464
462
463
463
464
462
461
460
456
452
448
444
439
434
436
438
440
441
442

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

Generated: 22/04/26 18:57:55. Forecast: 22/04/26 to 28/04/26. Timezone: UTC+3.00