Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 13

Waning Crescent 10%

08:04

12:17

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

Sun - Rise: 08:02, Set: 17:10, Transit: 12:36. Moon - Rise: 08:04, Set: 12:17. Civil Dark: 17:54 - 07:18. Nautical Dark: 18:44 - 06:29. Astro Dark: 19:32 - 05:40

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
2

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
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 (%)

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)

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

Chance of Frost

Temperature (°C)

-16
-16
-16
-16
-17
-17
-17
-17
-17
-18
-18
-17
-16
-14
-12
-11
-10
-10
-11
-14
-15
-16
-17
-18

Feels Like (°C)

-19
-19
-19
-20
-20
-20
-20
-20
-21
-21
-21
-20
-19
-17
-14
-13
-12
-11
-12
-15
-17
-18
-19
-19

Dew Point (°C)

-18
-19
-19
-19
-20
-20
-20
-20
-21
-21
-21
-21
-20
-19
-18
-17
-16
-15
-14
-16
-17
-18
-19
-20

Relative Humidity (%)

78
78
77
76
75
76
76
77
75
74
75
74
69
65
63
61
61
65
76
84
84
83
85
83

Pressure (mb)

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

Ozone (du)

434
435
438
441
443
448
453
457
459
462
463
465
466
465
467
466
461
459
458
460
461
461
458
458

Saturday 14

Waning Crescent 5%

08:10

13:58

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

Sun - Rise: 07:59, Set: 17:13, Transit: 12:36. Moon - Rise: 08:10, Set: 13:58. Civil Dark: 17:57 - 07:15. Nautical Dark: 18:46 - 06:26. Astro Dark: 19:34 - 05:38

Total Clouds (% Sky Obscured)

4
3
2
2
4
3
2
6
17
25
34
38
41
47
47
14
0
0
1
1
34
59
73
80

Low Clouds (% Sky Obscured)

2
2
2
2
4
3
1
1
17
25
34
38
41
47
47
14
0
0
0
0
34
59
73
80

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
2
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
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
4
8

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)

2
2
2
3
3
3
3
3
3
3
3
3
3
4
3
3
4
4
3
2
2
2
2
2

Chance of Frost

Temperature (°C)

-18
-18
-18
-19
-19
-19
-19
-18
-18
-18
-18
-16
-14
-12
-10
-8
-7
-7
-8
-11
-12
-13
-14
-14

Feels Like (°C)

-19
-20
-20
-20
-21
-21
-21
-20
-20
-20
-20
-19
-16
-14
-12
-11
-10
-9
-10
-12
-14
-15
-16
-16

Dew Point (°C)

-20
-20
-21
-21
-21
-21
-21
-21
-21
-21
-20
-19
-17
-15
-14
-13
-12
-11
-11
-12
-14
-15
-15
-16

Relative Humidity (%)

84
83
83
83
82
82
79
78
74
76
79
80
79
75
72
70
70
76
79
88
88
90
88
86

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

456
451
443
434
431
431
427
421
414
413
409
404
403
399
392
388
393
395
394
391
387
383
384
383

Sunday 15

Waning Crescent 1%

08:12

15:38

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: 07:56, Set: 17:16, Transit: 12:36. Moon - Rise: 08:12, Set: 15:38. Civil Dark: 17:59 - 07:13. Nautical Dark: 18:48 - 06:24. Astro Dark: 19:37 - 05:35

Total Clouds (% Sky Obscured)

75
78
82
75
80
80
60
82
99
96
99
100
90
84
85
89
90
82
88
87
86
88
92
96

Low Clouds (% Sky Obscured)

75
78
82
75
80
80
60
82
99
96
99
100
90
84
81
81
84
78
81
87
86
85
81
77

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
1
1
1
1
7
36
68

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
2
2
3
2
2
29
34
4
22
6
14
34
48
60

ISS Passover

Visibility (miles)

8
3
6
3
4
8
8
8
3
3
3
8
9
9
9
9
9
9
9
4
2
2
2
1

Fog (%)

1
1
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

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
1
1
4
9
12
14
10
9
11
16
23
19
9
13
17

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)

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

Chance of Frost

Temperature (°C)

-14
-14
-14
-14
-14
-14
-13
-14
-13
-13
-13
-12
-8
-7
-5
-4
-4
-4
-5
-8
-10
-10
-10
-10

Feels Like (°C)

-16
-16
-17
-17
-16
-16
-15
-15
-15
-16
-16
-15
-11
-10
-8
-6
-5
-5
-7
-10
-13
-13
-14
-14

Dew Point (°C)

-15
-15
-15
-15
-16
-15
-15
-15
-15
-15
-14
-14
-10
-9
-7
-7
-7
-7
-6
-9
-11
-11
-11
-11

Relative Humidity (%)

88
88
88
88
86
88
86
88
86
88
88
88
85
84
84
79
76
79
90
94
92
92
92
92

Pressure (mb)

1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

380
377
375
371
368
366
365
367
365
362
363
364
364
365
365
365
365
364
363
363
362
361
358
356

Monday 16

Waning Crescent 0%

08:11

17:15

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: 07:54, Set: 17:18, Transit: 12:36. Moon - Rise: 08:11, Set: 17:15. Civil Dark: 18:02 - 07:10. Nautical Dark: 18:51 - 06:21. Astro Dark: 19:39 - 05:33

Total Clouds (% Sky Obscured)

100
98
96
94
91
88
85
76
68
59
59
58
57
71
86
100
100
100
100
100
100
100
96
93

Low Clouds (% Sky Obscured)

73
76
79
81
78
75
73
65
58
51
34
17
5
4
1
0
1
1
7
8
12
20
20
14

Medium Clouds (% Sky Obscured)

100
87
74
51
43
40
34
24
12
0
0
0
2
39
66
82
92
91
76
75
65
50
53
93

High Clouds (% Sky Obscured)

73
62
48
32
34
18
2
33
41
51
50
58
57
71
78
98
100
100
100
82
63
47
52
62

ISS Passover

Visibility (miles)

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

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

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 (%)

22
18
15
14
10
16
13
8
11
3
3
3
2
3
2
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
3
4
4
4
4
4
4
4
5
5
6
7
7
7
7
7
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

-9
-8
-8
-9
-9
-9
-9
-9
-9
-10
-11
-11
-10
-9
-8
-8
-8
-8
-9
-10
-11
-12
-12
-12

Feels Like (°C)

-13
-12
-12
-12
-12
-12
-12
-13
-14
-13
-15
-15
-14
-13
-13
-12
-12
-13
-14
-15
-16
-16
-17
-17

Dew Point (°C)

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

Relative Humidity (%)

92
94
94
94
92
94
92
94
92
94
92
94
92
88
83
80
80
83
88
90
90
90
88
88

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013

Ozone (du)

355
356
358
357
358
359
361
361
362
363
363
364
362
363
364
364
366
366
367
369
373
374
376
378

Tuesday 17

New Moon 1%

08:11

18:51

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: 07:51, Set: 17:21, Transit: 12:36. Moon - Rise: 08:11, Set: 18:51. Civil Dark: 18:04 - 07:07. Nautical Dark: 18:53 - 06:19. Astro Dark: 19:41 - 05:30

Total Clouds (% Sky Obscured)

90
94
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
97
96
95

Low Clouds (% Sky Obscured)

14
13
14
16
21
31
39
54
71
91
90
87
86
84
81
79
79
79
79
77
75
73
75
76

Medium Clouds (% Sky Obscured)

85
94
97
100
96
99
92
74
66
88
95
94
98
100
100
100
100
100
100
96
92
88
78
68

High Clouds (% Sky Obscured)

62
49
37
26
21
19
20
23
29
32
37
48
60
53
45
37
48
58
67
57
47
36
33
30

ISS Passover

Visibility (miles)

6
4
3
3
3
3
3
2
2
2
2
3
4
8
1
0
0
0
0
0
0
0
0
0

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
10
17
23
36
44
49
47
43
41
52
43
32
30
30
28
25
22

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.2
0.1
0.1
0.2
0.1
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-12
-13
-13
-13
-13
-13
-13
-13
-14
-14
-14
-14
-13
-11
-11
-10
-10
-10
-10
-11
-11
-11
-12
-12

Feels Like (°C)

-17
-17
-17
-17
-18
-17
-18
-18
-19
-19
-19
-19
-18
-16
-16
-16
-15
-15
-15
-16
-16
-17
-17
-18

Dew Point (°C)

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

Relative Humidity (%)

88
88
90
88
90
90
90
88
90
88
88
86
86
83
81
83
83
85
86
88
88
88
88
88

Pressure (mb)

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

Ozone (du)

380
381
381
380
382
381
380
379
376
374
370
367
365
363
364
365
365
365
365
365
367
369
370
370

Wednesday 18

Waxing Crescent 5%

08:09

20:26

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: 07:48, Set: 17:23, Transit: 12:36. Moon - Rise: 08:09, Set: 20:26. Civil Dark: 18:07 - 07:05. Nautical Dark: 18:55 - 06:16. Astro Dark: 19:44 - 05:28

Total Clouds (% Sky Obscured)

94
92
91
91
89
86
84
83
80
76
74
76
77
76
74
75
84
90
90
85
79
62
69
76

Low Clouds (% Sky Obscured)

78
81
84
87
85
80
78
74
72
67
70
73
76
73
72
75
81
84
81
67
51
33
51
73

Medium Clouds (% Sky Obscured)

60
44
27
10
10
14
14
17
11
13
16
15
15
12
7
6
10
16
34
48
46
44
39
32

High Clouds (% Sky Obscured)

28
20
9
0
0
0
0
0
0
0
2
4
2
7
7
10
8
11
14
10
6
2
2
2

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
2
2
4
6
7
6

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

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 (%)

19
21
23
26
27
27
27
24
21
19
16
15
13
13
14
15
15
15
15
13
10
6
8
7

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)

4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-18
-18
-19
-19
-20
-19
-19
-19
-20
-19
-18
-19
-18
-17
-16
-15
-15
-13
-12
-13
-13
-13
-13
-16

Dew Point (°C)

-14
-14
-15
-15
-16
-16
-16
-17
-17
-17
-17
-16
-15
-14
-12
-11
-11
-11
-10
-10
-11
-12
-13
-13

Relative Humidity (%)

90
90
88
90
90
88
90
90
90
90
88
86
86
83
83
83
82
83
85
88
88
88
88
88

Pressure (mb)

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

Ozone (du)

370
370
370
369
369
369
369
369
370
370
370
370
370
370
369
368
367
367
366
365
366
366
367
368

Thursday 19

Waxing Crescent 11%

08:08

22:04

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: 07:45, Set: 17:26, Transit: 12:36. Moon - Rise: 08:08, Set: 22:04. Civil Dark: 18:09 - 07:02. Nautical Dark: 18:58 - 06:13. Astro Dark: 19:46 - 05:25

Total Clouds (% Sky Obscured)

98
98
97
97
98
100
100
100
100
100
100
100
95
95
95
95
95
96
96
96
83
77

Low Clouds (% Sky Obscured)

95
93
78
68
54
41
34
39
28
15
17
22
23
33
43
53
50
50
50
50
47
44

Medium Clouds (% Sky Obscured)

23
23
23
28
33
37
57
55
46
40
40
30
25
25
45
50
68
75
80
87
83
77

High Clouds (% Sky Obscured)

3
25
47
65
65
67
67
78
89
100
92
85
77
77
78
78
82
86
90
94
83
77

ISS Passover

Visibility (miles)

6
5
6
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

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
5
6
6
8
8
6
7
6
2
3
2
0
0
0
0
0
0
0
2
3
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-16
-16
-16
-16
-15
-18
-17
-17
-16
-16
-16
-16
-16
-16
-16
-15
-15
-11
-11
-11
-11
-10

Dew Point (°C)

-14
-14
-15
-15
-15
-15
-15
-15
-15
-15
-15
-15
-15
-14
-14
-13
-13
-13
-12
-12
-12
-12

Relative Humidity (%)

88
88
86
88
86
86
84
84
84
84
83
79
75
72
71
68
67
68
72
75
78
80

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014

Ozone (du)

369
371
373
376
378
380
382
384
384
384
385
383
381
379
379
379
379
376
373
370
368
366

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

Generated: 13/02/26 22:07:37. Forecast: 13/02/26 to 19/02/26. Timezone: UTC+2.00