Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 31

Waxing Gibbous 99%

19:42

06:28

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

Sun - Rise: 06:45, Set: 20:04, Transit: 13:26. Moon - Rise: 19:42, Set: 06:28. Civil Dark: 20:47 - 06:02. Nautical Dark: 21:40 - 05:08. Astro Dark: 22:43 - 04:05

Total Clouds (% Sky Obscured)

8
6
4
5
16
35
48
48
54
68
77
77
81
63
40
34
22
20
17
23
29
40
39
50

Low Clouds (% Sky Obscured)

0
0
0
3
16
35
48
48
54
68
77
77
81
63
40
34
22
20
17
23
29
40
39
49

Medium 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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
2
3
2
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
1
1
0
0
1
2
2
96
95
2
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)

6
5
5
5
5
5
4
4
4
4
4
4
4
4
4
5
4
5
5
7
8
9
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
76
77
81
86
89
91
92
92
94
96
94
92
81
72
66
59
55
50
48
47
51
58
70

Pressure (mb)

1017
1018
1019
1019
1020
1020
1020
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1021
1021
1020
1020
1019
1019
1019

Ozone (du)

439
442
443
444
448
464
477
471
448
430
412
401
391
378
366
354
342
334
331
330
328
325
321
319

Wednesday 1

Waxing Gibbous 100%

No Rise

06:27

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
19 Bad

Sun - Rise: 06:42, Set: 20:06, Transit: 13:25. Moon - Rise: No Rise, Set: 06:27. Civil Dark: 20:49 - 05:59. Nautical Dark: 21:43 - 05:04. Astro Dark: 22:47 - 04:00

Total Clouds (% Sky Obscured)

55
66
70
53
51
39
46
53
49
58
67
72
98
100
99
93
99
94
100
100
100
96
100
99

Low Clouds (% Sky Obscured)

52
65
70
53
51
39
46
53
49
58
67
72
98
100
99
93
99
83
74
84
78
79
85
94

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
3
22
28
33
24
4
29
48
67
85
85
85
67
62
58

High Clouds (% Sky Obscured)

1
1
1
1
2
1
1
1
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
36
88
96
96
97
97
100
100
100
97
79
79
74
42
9
3
1
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
1
2
5
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
85
85
86
89
89
88
88
89
88
88
89
88
84
85
80
78
76
83
82
83
85
88
89

Pressure (mb)

1018
1018
1018
1018
1017
1017
1016
1015
1015
1014
1014
1013
1013
1013
1013
1012
1012
1012
1012
1011
1011
1011
1010
1010

Ozone (du)

318
319
320
321
321
322
322
322
323
323
324
325
325
326
328
329
330
331
333
334
334
335
337
340

Thursday 2

Full Moon 99%

21:11

06:26

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
19 Bad

Sun - Rise: 06:39, Set: 20:09, Transit: 13:25. Moon - Rise: 21:11, Set: 06:26. Civil Dark: 20:52 - 05:56. Nautical Dark: 21:46 - 05:01. Astro Dark: 22:51 - 03:55

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
99
98
100
100
100
100
100
100
100
97
95
93
91
94
96

Low Clouds (% Sky Obscured)

92
100
100
100
100
99
100
99
100
91
89
90
95
95
95
95
100
100
95
89
84
78
82
86

Medium Clouds (% Sky Obscured)

53
43
44
38
41
62
54
56
83
78
70
84
85
80
76
72
69
68
44
52
60
69
74
82

High Clouds (% Sky Obscured)

0
0
0
2
2
35
40
35
35
52
53
58
83
68
54
20
10
10
15
15
20
30
25
35

ISS Passover

Visibility (miles)

9
9
9
9
9
5
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

1
5
12
41
73
96
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

3
1
11
29
31
33
31
18
20
31
44
54
54
39
18
10
5
3
1
0
0
0
6
13

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
94
94
94
96
94
89
88
88
88
88
83
70
60
50
43
38
34
32
31
31
36
45

Pressure (mb)

1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1010
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

343
347
349
355
359
363
366
370
373
376
377
379
380
381
382
384
387
386
380
377
377
379
384
385

Friday 3

Waning Gibbous 96%

22:42

06:26

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
19 Bad

Sun - Rise: 06:36, Set: 20:11, Transit: 13:25. Moon - Rise: 22:42, Set: 06:26. Civil Dark: 20:55 - 05:52. Nautical Dark: 21:50 - 04:57. Astro Dark: 22:55 - 03:50

Total Clouds (% Sky Obscured)

98
97
96
95
95
96
97
98
99
100
96
88
85
88
87
99
100
100
100
100
100
100
99
98

Low Clouds (% Sky Obscured)

90
90
90
90
89
89
88
92
96
95
89
82
76
78
79
90
86
78
73
68
75
93
93
93

Medium Clouds (% Sky Obscured)

92
79
65
50
61
74
89
93
87
84
70
52
36
43
44
49
57
57
74
100
100
98
95
72

High Clouds (% Sky Obscured)

55
50
40
35
35
30
30
35
2
0
0
0
0
0
0
14
11
8
14
13
21
10
20
35

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 (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

21
27
28
25
21
16
13
26
36
46
43
41
38
31
19
14
17
19
20
21
21
22
21
19

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
3
3
3
3
4
4
4
5
4
5
5
5
7
7
8
8
8
9
9
9
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

50
56
58
58
59
60
64
64
66
67
67
67
64
57
53
53
57
62
65
66
66
68
72
72

Pressure (mb)

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

Ozone (du)

382
382
386
387
386
390
392
397
405
408
411
410
410
407
407
405
403
403
401
399
397
395
396
397

Saturday 4

Waning Gibbous 92%

00:15

06:27

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 OK
15 OK
16 OK
17 OK
18 Bad
19 Bad

Sun - Rise: 06:33, Set: 20:14, Transit: 13:25. Moon - Rise: 00:15, Set: 06:27. Civil Dark: 20:57 - 05:49. Nautical Dark: 21:53 - 04:53. Astro Dark: 22:59 - 03:45

Total Clouds (% Sky Obscured)

97
97
96
97
98
99
99
100
98
97
100
100
100
84
90
95
87
58
31
24
22
24
56
79

Low Clouds (% Sky Obscured)

92
89
86
84
88
90
97
97
98
97
100
100
100
44
54
61
38
16
0
0
0
0
16
36

Medium Clouds (% Sky Obscured)

61
67
55
52
44
32
25
18
8
0
1
1
1
31
32
28
24
21
31
24
22
24
50
65

High Clouds (% Sky Obscured)

50
35
19
10
10
15
12
10
1
3
5
5
5
34
36
39
56
58
31
24
22
24
56
79

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 (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

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 (%)

14
13
12
5
11
12
12
12
7
1
1
0
0
5
3
0
0
1
0
0
0
0
36
59

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
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
85
88
89
91
91
96
98
98
96
94
94
89
83
75
67
60
62
65
67
69
73
76
79

Pressure (mb)

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

Ozone (du)

400
400
398
398
396
393
392
390
388
386
385
385
383
382
381
380
379
378
377
376
377
377
378
377

Sunday 5

Waning Gibbous 86%

01:50

06:31

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 OK
12 Good
13 Good
14 Good
15 Good
16 Good
17 Good
18 Good
19 Good

Sun - Rise: 06:30, Set: 20:16, Transit: 13:24. Moon - Rise: 01:50, Set: 06:31. Civil Dark: 21:00 - 05:46. Nautical Dark: 21:56 - 04:49. Astro Dark: 23:04 - 03:40

Total Clouds (% Sky Obscured)

97
96
95
94
87
82
81
78
76
74
79
81
78
61
39
14
10
6
2
2
2
5
5
5

Low Clouds (% Sky Obscured)

63
66
71
43
37
38
40
54
66
74
66
58
49
34
26
14
10
6
2
2
2
5
4
3

Medium Clouds (% Sky Obscured)

70
57
43
21
17
13
5
9
10
15
36
39
40
38
20
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

97
89
78
67
45
22
5
5
10
35
36
23
17
13
6
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
8
7
7
5
4
2
5
7
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

82
85
81
64
50
35
22
48
67
83
79
67
42
26
13
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.5
0.5
0.5
0.3
0
0
0
0
0.3
0.5
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
88
86
85
86
86
85
86
89
91
96
91
86
83
71
59
51
46
42
37
40
41
44
51

Pressure (mb)

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

Ozone (du)

377
376
376
377
378
377
377
377
379
382
384
392
400
408
411
414
418
420
422
424
423
422
421
420

Monday 6

Waning Gibbous 78%

03:21

06:44

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

Sun - Rise: 06:27, Set: 20:18, Transit: 13:24. Moon - Rise: 03:21, Set: 06:44. Civil Dark: 21:03 - 05:43. Nautical Dark: 21:59 - 04:46. Astro Dark: 23:09 - 03:35

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
26
51
82
84
91
93
95
99
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
3
20
37
55
53
46
40

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
3
7
22
47
56
70
75
80
80
80

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
26
51
82
84
91
93
95
99
100
100
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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
16
25
35

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
1
1
2
2
1
1
1
0
-1
0
-1
0
1
1
1
1
1

Dew Point (°C)

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

Relative Humidity (%)

58
67
68
72
74
72
67
64
64
64
64
67
71
73
67
62
57
54
50

Pressure (mb)

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

Ozone (du)

419
418
419
420
421
418
415
413
411
409
407
408
409
410
411
412
414
412
411

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

Generated: 31/03/26 20:00:40. Forecast: 31/03/26 to 06/04/26. Timezone: UTC+3.00