Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 11

Waning Crescent 34%

03:36

10:43

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
22 Bad
23 Bad

Sun - Rise: 07:18, Set: 17:13, Transit: 12:16. Moon - Rise: 03:36, Set: 10:43. Civil Dark: 17:47 - 06:45. Nautical Dark: 18:25 - 06:06. Astro Dark: 19:02 - 05:29

Total Clouds (% Sky Obscured)

93
95
96
97
100
100
97
99
100
100
100
100
99
98
96
100
96
100
100
96
98
100
100
96

Low Clouds (% Sky Obscured)

75
84
69
73
69
81
68
69
65
84
83
96
94
89
89
89
79
72
87
78
76
84
62
64

Medium Clouds (% Sky Obscured)

45
62
60
66
83
91
85
86
94
82
87
96
97
94
53
63
80
79
66
79
94
95
95
81

High Clouds (% Sky Obscured)

93
95
96
97
87
100
84
95
91
100
57
95
85
68
67
100
76
60
40
66
69
90
95
76

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
4
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
Light Rain
Light Rain
None
None
None
None
None
None
None
None
Very Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
2
8
19
7
8
22
39
86
84
48
34
36
19
19
26
34
45
62
51
23

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
86
85
83
83
86
86
85
85
82
77
82
88
89
88
86
85
87
84
82
87
85
85
85

Pressure (mb)

996
995
994
993
993
992
992
992
991
991
990
990
989
989
988
988
988
988
988
988
988
988
988
988

Ozone (du)

420
405
400
397
385
384
380
373
364
358
357
358
360
362
360
365
369
370
374
379
382
389
394
397

Thursday 12

Waning Crescent 25%

04:38

11:28

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
22 Bad
23 Bad

Sun - Rise: 07:16, Set: 17:15, Transit: 12:16. Moon - Rise: 04:38, Set: 11:28. Civil Dark: 17:48 - 06:43. Nautical Dark: 18:26 - 06:05. Astro Dark: 19:04 - 05:27

Total Clouds (% Sky Obscured)

95
77
87
100
95
84
100
100
100
100
98
100
100
99
98
100
100
99
94
87
99
99
100
100

Low Clouds (% Sky Obscured)

54
52
49
36
50
16
4
37
46
53
89
74
80
76
79
61
25
16
23
34
48
53
91
89

Medium Clouds (% Sky Obscured)

82
53
56
35
10
20
55
54
55
65
92
87
59
52
61
90
100
61
58
35
44
52
99
100

High Clouds (% Sky Obscured)

65
66
78
100
31
60
100
70
70
75
79
100
100
91
89
100
100
99
90
75
70
75
75
100

ISS Passover

Visibility (miles)

9
6
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
Very Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

42
24
2
1
0
0
3
41
53
50
56
32
24
6
7
5
1
1
0
0
4
10
34
37

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
13
13
13
9
7
6
6
5
6
8
8
10
9
9
8
6
6
6
6
6
7
7
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
85
81
77
79
85
88
89
88
83
78
78
74
79
70
68
70
75
79
81
82
84
85
85

Pressure (mb)

987
987
987
986
986
985
985
985
985
985
984
984
983
983
983
983
983
984
984
985
985
985
985
986

Ozone (du)

389
382
385
387
383
373
371
366
361
358
354
355
357
358
360
370
380
393
407
411
412
420
421
424

Friday 13

Waning Crescent 17%

05:28

12:26

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
22 Bad
23 Bad

Sun - Rise: 07:15, Set: 17:16, Transit: 12:16. Moon - Rise: 05:28, Set: 12:26. Civil Dark: 17:50 - 06:41. Nautical Dark: 18:28 - 06:03. Astro Dark: 19:05 - 05:26

Total Clouds (% Sky Obscured)

100
100
97
100
86
100
100
100
100
100
98
97
96
99
94
100
95
83
84
89
95
81
77
96

Low Clouds (% Sky Obscured)

88
72
78
53
30
79
70
68
71
78
90
83
84
95
74
61
23
4
7
3
22
29
23
12

Medium Clouds (% Sky Obscured)

100
96
38
1
77
98
97
100
81
56
68
45
80
51
60
91
92
69
61
87
94
65
60
45

High Clouds (% Sky Obscured)

75
76
93
96
80
68
76
92
76
73
42
70
74
82
75
100
75
68
65
70
81
57
59
47

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

Precipitation Probability (%)

47
53
27
22
19
6
31
17
17
26
29
23
23
27
29
7
5
3
5
2
2
1
1
0

Precipitation Amount (mm)

0
0.2
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
10
11
12
12
12
12
12
13
14
14
14
14
13
10
6
4
5
5
5
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
85
85
84
81
80
85
86
86
83
75
84
81
87
79
69
71
74
76
79
82
82
83
86

Pressure (mb)

986
987
987
987
988
988
989
989
990
990
990
990
991
991
991
991
991
992
992
993
993
993
993
993

Ozone (du)

427
429
426
432
437
439
437
431
432
430
420
415
420
420
421
416
421
424
428
433
438
439
438
442

Saturday 14

Waning Crescent 10%

06:08

13:34

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
22 Bad
23 Bad

Sun - Rise: 07:13, Set: 17:18, Transit: 12:16. Moon - Rise: 06:08, Set: 13:34. Civil Dark: 17:52 - 06:39. Nautical Dark: 18:30 - 06:02. Astro Dark: 19:07 - 05:24

Total Clouds (% Sky Obscured)

94
95
80
54
82
99
72
71
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

24
51
54
49
50
52
49
49
49
45
58
88
93
68
69
60
82
91
94
93
93
91
89
88

Medium Clouds (% Sky Obscured)

73
73
60
52
72
57
63
59
57
97
98
99
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

15
4
6
9
15
40
25
24
58
60
71
85
100
100
100
100
100
100
100
100
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
0
0
1
5
5
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Snow
Snow
Snow
Snow
None

Precipitation Probability (%)

0
8
13
18
21
22
23
34
39
45
47
50
54
62
71
80
83
80
80
80
69
56
47
35

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.4
0.5
0.6
0.5
0.4
0.5
0.3
0.2
0.1
0

Wind Speed/Direction (mph)

3
3
3
3
3
3
3
3
3
2
3
2
3
3
4
6
8
9
13
12
13
13
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
85
86
88
88
91
89
91
86
82
77
75
74
72
73
77
82
96
96
92
86
81
78

Pressure (mb)

994
994
994
994
994
995
995
996
996
997
998
998
998
999
1000
1001
1002
1003
1005
1006
1008
1009
1010
1011

Ozone (du)

444
446
449
445
445
443
441
439
438
435
433
432
431
436
444
446
442
441
443
441
441
438
435
434

Sunday 15

Waning Crescent 5%

06:37

14:49

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
22 Bad
23 Bad

Sun - Rise: 07:11, Set: 17:20, Transit: 12:15. Moon - Rise: 06:37, Set: 14:49. Civil Dark: 17:53 - 06:38. Nautical Dark: 18:31 - 06:00. Astro Dark: 19:09 - 05:22

Total Clouds (% Sky Obscured)

100
100
100
100
98
96
94
94
93
92
92
92
92
94
97
99
86
73
60
62
65
68
74
79

Low Clouds (% Sky Obscured)

81
81
66
74
85
86
89
89
89
89
91
91
91
94
97
99
86
72
59
44
30
17
11
6

Medium Clouds (% Sky Obscured)

100
100
100
100
78
28
8
5
4
2
1
1
0
0
0
0
0
0
0
18
35
52
63
75

High Clouds (% Sky Obscured)

100
98
100
100
61
29
0
0
0
0
0
0
0
0
0
0
0
0
0
14
27
40
28
16

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 (%)

27
21
19
18
16
15
24
16
18
17
15
21
11
16
11
7
6
3
1
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
13
13
13
13
12
11
11
12
13
13
13
12
11
11
10
10
8
5
4
3
2
2
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-6
-7
-8
-7
-8
-9
-8
-9
-9
-10
-10
-8
-8
-7
-7
-7
-7
-6
-7
-7
-7
-6
-5
-5

Dew Point (°C)

-5
-5
-6
-6
-7
-8
-8
-8
-9
-9
-10
-10
-10
-10
-10
-10
-10
-9
-9
-8
-8
-8
-8
-8

Relative Humidity (%)

72
72
71
70
68
67
68
67
64
59
55
52
52
50
50
51
51
55
59
64
64
64
64
63

Pressure (mb)

1012
1013
1014
1015
1016
1016
1017
1018
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016

Ozone (du)

433
433
433
430
435
434
436
432
434
430
424
425
425
421
416
411
406
403
400
397
397
397
396
398

Monday 16

Waning Crescent 1%

06:59

16:08

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
22 Bad
23 Bad

Sun - Rise: 07:09, Set: 17:22, Transit: 12:15. Moon - Rise: 06:59, Set: 16:08. Civil Dark: 17:55 - 06:36. Nautical Dark: 18:33 - 05:58. Astro Dark: 19:10 - 05:21

Total Clouds (% Sky Obscured)

83
86
93
98
97
95
94
96
98
100
100
100
100
100
100
100
99
97
96
89
84
78
77
82

Low Clouds (% Sky Obscured)

0
17
31
51
65
78
93
92
90
90
95
97
100
90
80
71
76
81
83
83
84
78
77
82

Medium Clouds (% Sky Obscured)

83
86
93
96
79
64
49
67
84
98
96
95
94
94
95
94
77
60
43
51
52
53
52
54

High Clouds (% Sky Obscured)

17
41
64
91
94
94
94
66
38
10
10
10
15
38
66
92
93
92
85
85
80
75
60
40

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
7
4
2
1
1
0
2
4
5
7
8
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
1
3
43
60
68
58
50
47
67
82
88
90
91
87
68
46
22
20
18
11
23
25

Precipitation Amount (mm)

0
0
0
0
0.2
0.3
0.4
0.3
0.2
0.2
0.4
0.6
0.5
0.5
0.6
0.6
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-8
-8
-8
-8
-8
-8
-8
-8
-9
-9
-10
-7
-4
-1
-0
1
2
1
1
-0
-0
-1
-1
-1

Relative Humidity (%)

63
63
64
63
64
64
64
64
59
55
51
63
78
96
94
94
94
91
88
83
82
79
79
77

Pressure (mb)

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

Ozone (du)

400
402
401
400
399
401
403
404
405
406
406
406
405
405
408
410
413
409
404
399
398
397
395
394

Tuesday 17

New Moon 0%

07:17

17:27

Sun - Rise: 07:07, Set: 17:23, Transit: 12:15. Moon - Rise: 07:17, Set: 17:27. Civil Dark: 17:57 - 06:34. Nautical Dark: 18:34 - 05:56. Astro Dark: 19:12 - 05:19

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Letňany, Praha 18, Czech Republic (50.14,14.52)

Generated: 11/02/26 00:29:42. Forecast: 11/02/26 to 17/02/26. Timezone: UTC+1.00