Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 20

Waxing Crescent 19%

08:07

22:04

22 Good
23 OK
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
20 Bad
21 Bad

Sun - Rise: 07:42, Set: 17:29, Transit: 12:35. Moon - Rise: 08:07, Set: 22:04. Civil Dark: 18:12 - 06:59. Nautical Dark: 19:00 - 06:11. Astro Dark: 19:49 - 05:22

Total Clouds (% Sky Obscured)

6
36
55
100
100
100
100
100
100
100
100
100
100
100
100
98
97
98
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

1
1
1
0
0
31
58
76
84
96
83
85
83
82
82
82
83
88
87
87
88
91
93
94

Medium Clouds (% Sky Obscured)

6
36
55
100
100
100
100
100
100
100
100
100
100
85
86
75
83
72
79
98
100
100
100
100

High Clouds (% Sky Obscured)

6
33
55
100
100
100
100
100
100
100
100
100
100
100
100
56
55
44
89
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
1
0
0
0
0
0
0
0
0
0
0
0
0
0

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
13
29
59
64
55
48
41
38
36
34
44
53
60
66
74

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.3
0.2
0.2
0.1
0.1
0
0.1
0.2
0.3
0.4
0.4

Wind Speed/Direction (mph)

8
8
9
10
11
11
13
13
14
15
14
14
13
13
14
14
14
13
13
12
11
11
11
11

Chance of Frost

Temperature (°C)

-7
-7
-6
-4
-3
-3
-3
-3
-2
-2
-3
-3
-2
-2
-2
-1
-2
-2
-3
-3
-4
-4
-4
-4

Feels Like (°C)

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

Dew Point (°C)

-9
-9
-8
-6
-5
-5
-5
-4
-4
-5
-4
-4
-3
-3
-2
-3
-3
-3
-4
-4
-5
-5
-5
-5

Relative Humidity (%)

85
83
85
87
87
86
86
87
87
84
89
91
94
94
94
91
91
92
92
94
94
94
94
94

Pressure (mb)

1014
1014
1014
1014
1013
1012
1012
1011
1011
1010
1010
1009
1009
1009
1008
1008
1008
1007
1007
1007
1006
1005
1005
1004

Ozone (du)

330
327
327
324
322
321
320
319
319
322
323
324
325
325
326
327
328
328
328
330
330
331
332
335

Saturday 21

Waxing Crescent 29%

08:07

23:46

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

Sun - Rise: 07:39, Set: 17:31, Transit: 12:35. Moon - Rise: 08:07, Set: 23:46. Civil Dark: 18:14 - 06:57. Nautical Dark: 19:02 - 06:08. Astro Dark: 19:51 - 05:20

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
96
100
99
100
100
98
47
44
40
11
0
1
1
2
1
2
12
63

Low Clouds (% Sky Obscured)

91
92
90
100
96
88
77
100
98
100
100
97
47
44
40
11
0
0
0
0
0
0
2
6

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
84
91
45
50
0
0
0
0
0
0
0
0
0
0
0
0
0
8

High Clouds (% Sky Obscured)

39
100
100
100
100
25
22
0
0
0
0
0
0
0
0
0
0
1
0
2
1
2
9
33

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
2
9
9
9
9
9
9
9
9
9
9
9
9
9
3

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

84
75
75
95
95
95
67
33
14
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.5
0.4
0.3
0.7
0.9
0.6
0.3
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
9
9
8
7
8
13
13
13
12
12
12
11
10
9
8
6
4
3
2
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-9
-9
-9
-9
-9
-8
-8
-7
-7
-9
-10
-11
-11
-9
-9
-8
-8
-7
-7
-8
-10
-10
-11
-13

Dew Point (°C)

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

Relative Humidity (%)

94
94
96
96
94
96
96
96
94
91
87
84
85
82
81
81
81
81
81
82
87
90
92
92

Pressure (mb)

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

Ozone (du)

340
345
349
348
355
357
362
373
378
384
387
383
377
375
373
371
365
359
354
350
350
350
351
351

Sunday 22

Waxing Crescent 40%

08:09

01:34

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
20 Bad
21 Bad

Sun - Rise: 07:37, Set: 17:34, Transit: 12:35. Moon - Rise: 08:09, Set: 01:34. Civil Dark: 18:16 - 06:54. Nautical Dark: 19:05 - 06:06. Astro Dark: 19:54 - 05:17

Total Clouds (% Sky Obscured)

84
97
96
100
100
100
99
99
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

8
55
69
99
99
98
96
98
99
85
77
74
70
71
65
62
64
67
68
69
63
41
34
27

Medium Clouds (% Sky Obscured)

46
65
56
95
83
95
86
85
91
99
100
92
87
75
93
96
100
100
96
87
100
96
95
86

High Clouds (% Sky Obscured)

40
73
53
52
48
45
38
34
69
84
100
100
98
71
79
84
100
100
100
99
99
90
64
33

ISS Passover

Visibility (miles)

3
3
2
2
2
1
1
2
2
2
1
8
9
9
9
9
9
9
9
5
3
3
3
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
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)

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

Chance of Frost

Temperature (°C)

-11
-12
-13
-13
-13
-13
-12
-12
-12
-12
-11
-8
-7
-5
-5
-4
-4
-4
-5
-7
-10
-9
-10
-10

Feels Like (°C)

-15
-16
-16
-16
-16
-17
-15
-15
-16
-15
-14
-11
-9
-8
-8
-7
-7
-7
-8
-10
-13
-13
-14
-14

Dew Point (°C)

-12
-13
-14
-14
-14
-14
-13
-13
-13
-13
-11
-9
-8
-7
-7
-7
-6
-6
-6
-8
-10
-10
-11
-12

Relative Humidity (%)

92
92
92
92
92
90
94
92
94
92
94
92
89
85
82
82
84
87
90
94
94
92
92
90

Pressure (mb)

1009
1009
1009
1009
1008
1008
1008
1008
1008
1007
1008
1008
1007
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1008

Ozone (du)

353
354
354
354
356
358
358
359
360
361
360
360
359
359
359
358
358
356
351
343
339
339
340
338

Monday 23

Waxing Crescent 52%

08:15

03:27

22 Bad
23 Bad
00 Bad
01 Bad
02 OK
03 OK
04 OK
05 OK
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 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 07:34, Set: 17:36, Transit: 12:35. Moon - Rise: 08:15, Set: 03:27. Civil Dark: 18:19 - 06:51. Nautical Dark: 19:07 - 06:03. Astro Dark: 19:56 - 05:14

Total Clouds (% Sky Obscured)

100
78
57
35
29
23
17
20
23
26
44
62
81
84
88
91
92
93
95
94
93
93
94
94

Low Clouds (% Sky Obscured)

20
25
29
33
25
17
9
6
3
0
0
0
4
16
28
39
55
69
80
81
84
87
91
93

Medium Clouds (% Sky Obscured)

81
59
32
5
10
12
12
14
23
26
44
62
81
83
84
85
83
83
82
82
85
89
76
63

High Clouds (% Sky Obscured)

10
9
6
3
29
23
14
16
9
1
2
3
1
25
19
14
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

3
3
3
3
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
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
1
3
1
1
3
0
2
3
2
10
13

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)

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

Chance of Frost

Temperature (°C)

-10
-11
-11
-11
-11
-11
-11
-12
-12
-12
-13
-11
-9
-8
-7
-6
-5
-5
-5
-6
-7
-8
-8
-8

Feels Like (°C)

-14
-14
-15
-15
-15
-16
-15
-16
-16
-16
-16
-15
-13
-12
-10
-10
-9
-8
-8
-9
-11
-11
-12
-12

Dew Point (°C)

-12
-12
-12
-12
-13
-13
-13
-13
-14
-14
-14
-13
-12
-10
-10
-9
-9
-8
-8
-7
-8
-8
-9
-9

Relative Humidity (%)

90
90
90
90
88
86
86
88
86
84
86
85
82
80
77
76
74
77
82
90
92
94
94
92

Pressure (mb)

1008
1008
1009
1009
1010
1010
1011
1011
1012
1012
1013
1014
1015
1015
1016
1016
1017
1018
1018
1019
1019
1020
1020
1021

Ozone (du)

334
330
328
330
327
324
328
325
324
325
322
320
323
327
334
341
348
352
356
360
368
373
365
365

Tuesday 24

First Quarter 64%

08:33

05:16

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
20 Bad
21 Bad

Sun - Rise: 07:31, Set: 17:39, Transit: 12:35. Moon - Rise: 08:33, Set: 05:16. Civil Dark: 18:21 - 06:48. Nautical Dark: 19:10 - 06:00. Astro Dark: 19:59 - 05:11

Total Clouds (% Sky Obscured)

95
96
98
95
78
74
66
70
83
87
95
95
89
93
84
71
67
81
95
98
99
100
100
100

Low Clouds (% Sky Obscured)

94
93
93
88
78
74
66
70
83
87
89
95
89
87
78
69
66
63
60
69
78
87
88
88

Medium Clouds (% Sky Obscured)

40
32
47
46
37
49
62
62
61
64
61
57
54
59
64
64
67
71
84
90
95
95
96
96

High Clouds (% Sky Obscured)

0
18
37
55
68
74
66
70
55
40
30
19
6
7
8
9
20
34
48
72
83
100
93
86

ISS Passover

Visibility (miles)

9
9
3
9
8
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 (%)

11
15
14
5
6
8
10
11
12
10
11
11
8
7
7
6
12
10
0
3
8
13
21
30

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

Chance of Frost

Temperature (°C)

-9
-9
-10
-10
-11
-12
-13
-13
-13
-13
-13
-11
-8
-7
-6
-5
-5
-6
-7
-8
-9
-9
-9
-8

Feels Like (°C)

-12
-13
-14
-14
-15
-14
-15
-15
-15
-15
-15
-12
-10
-8
-7
-7
-6
-7
-7
-8
-8
-8
-8
-13

Dew Point (°C)

-10
-10
-11
-11
-12
-14
-14
-15
-15
-15
-15
-13
-12
-11
-10
-9
-9
-9
-9
-9
-10
-10
-11
-10

Relative Humidity (%)

92
92
92
90
90
88
86
86
86
84
84
81
77
73
71
72
72
77
83
90
90
88
87
87

Pressure (mb)

1021
1022
1022
1023
1023
1023
1023
1023
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

372
370
372
375
373
364
365
370
369
364
367
370
363
358
354
353
351
351
352
353
353
354
355
361

Wednesday 25

Waxing Gibbous 75%

09:27

06:34

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
20 Bad
21 Bad

Sun - Rise: 07:28, Set: 17:42, Transit: 12:35. Moon - Rise: 09:27, Set: 06:34. Civil Dark: 18:24 - 06:46. Nautical Dark: 19:12 - 05:57. Astro Dark: 20:01 - 05:08

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

89
90
90
89
86
85
83
88
92
97
98
99
100
100
100
100
100
100
100
99
99
98
98
99

Medium Clouds (% Sky Obscured)

97
96
96
96
96
96
96
97
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

79
78
77
76
60
44
28
52
76
100
100
100
100
99
99
98
98
99
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
6
3
0
0
0
0
0
0
0
0
0
0
0
0
0
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

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 (%)

38
43
48
51
50
50
50
53
60
72
81
87
89
94
95
95
88
78
72
84
92
95
95
95

Precipitation Amount (mm)

0.1
0.1
0.2
0.2
0.2
0.2
0.2
0.2
0.3
0.4
0.5
0.5
0.5
0.7
0.7
0.7
0.6
0.4
0.3
0.5
0.6
0.6
0.7
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-13
-13
-12
-12
-13
-9
-9
-9
-9
-10
-9
-9
-9
-9
-9
-9
-8
-8
-7
-7
-7
-8
-8
-7

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
87
87
85
85
84
85
87
87
89
91
94
94
92
94
94
94
96
94
94
96
96

Pressure (mb)

1025
1025
1025
1025
1024
1024
1024
1024
1023
1023
1023
1023
1023
1022
1022
1021
1021
1020
1020
1019
1019
1018
1018
1017

Ozone (du)

366
372
367
362
357
353
350
346
345
344
342
342
342
341
340
338
336
334
332
329
328
327
326
325

Thursday 26

Waxing Gibbous 84%

11:06

07:05

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: 07:25, Set: 17:44, Transit: 12:35. Moon - Rise: 11:06, Set: 07:05. Civil Dark: 18:26 - 06:43. Nautical Dark: 19:15 - 05:54. Astro Dark: 20:04 - 05:05

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99

Low Clouds (% Sky Obscured)

100
96
83
70
56
44
37
55
59
64
68
81
81
81
81
81
77
77
77
81
84
89

Medium Clouds (% Sky Obscured)

100
100
100
100
97
94
83
83
86
87
86
88
89
93
93
100
100
100
100
98
96
93

High Clouds (% Sky Obscured)

100
100
100
100
68
33
0
3
6
9
39
70
100
100
100
100
91
82
74
59
45
30

ISS Passover

Visibility (miles)

5
8
8
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

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
81
61
32
24
17
12
14
10
5
18
32
45
48
45
42
44
48
51

Precipitation Amount (mm)

0.6
0.6
0.7
0.7
0.5
0.2
0
0
0
0
0
0
0
0
0
0.2
0.2
0
0
0
0
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
91
87
84
84
84
84
83
84
83
83
83
83
81
81
81
81
81
81
83
83

Pressure (mb)

1017
1016
1016
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1012
1012
1012
1012

Ozone (du)

324
323
324
324
325
323
321
319
320
322
323
319
316
312
311
309
308
307
307
306
305
303

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

Generated: 20/02/26 22:27:47. Forecast: 20/02/26 to 26/02/26. Timezone: UTC+2.00