Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 27

Waxing Gibbous 68%

10:49

03:53

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

Sun - Rise: 07:38, Set: 16:46, Transit: 12:13. Moon - Rise: 10:49, Set: 03:53. Civil Dark: 17:22 - 07:03. Nautical Dark: 18:01 - 06:24. Astro Dark: 18:39 - 05:46

Total Clouds (% Sky Obscured)

80
78
62
69
89
95
65
45
25
21
30
30
30
72
47
51
88
100
100
100
100
100
100
89

Low Clouds (% Sky Obscured)

49
43
60
69
81
92
65
45
25
21
30
26
30
55
47
51
63
69
60
61
71
72
63
61

Medium Clouds (% Sky Obscured)

5
0
0
23
24
5
0
0
0
0
0
0
8
24
4
0
0
42
73
93
100
88
100
89

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
7
3
0
13
12
6
38
6
7
62
98
100
100
100
100
100
67

ISS Passover

Visibility (miles)

4
5
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
1
6
24
31
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
None

Precipitation Probability (%)

0
0
0
8
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
4
2
3
5
4
3
2
1
2
2
3
3
2
2
2
2
2
1
1
1
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
92
83
78
77
74
77
77
83
88
89
91
92
92
94
94
94
94
94
94
96
94
94
94

Pressure (mb)

1004
1004
1004
1004
1003
1003
1002
1002
1001
1001
1001
1001
1001
1001
1001
1000
1000
1000
1000
999
999
999
999
999

Ozone (du)

451
452
450
446
441
429
424
420
418
422
422
427
425
417
412
402
392
383
377
373
372
370
370
370

Wednesday 28

Waxing Gibbous 78%

11:25

05:12

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 07:37, Set: 16:48, Transit: 12:13. Moon - Rise: 11:25, Set: 05:12. Civil Dark: 17:23 - 07:02. Nautical Dark: 18:02 - 06:23. Astro Dark: 18:40 - 05:45

Total Clouds (% Sky Obscured)

100
100
100
100
99
100
99
100
100
100
100
100
100
100
100
100
100
100
100
99
99
91
89
98

Low Clouds (% Sky Obscured)

52
47
59
53
68
92
93
95
100
98
100
100
100
100
100
100
100
95
89
71
65
65
69
82

Medium Clouds (% Sky Obscured)

100
99
96
97
93
88
90
91
90
83
81
45
71
87
76
97
99
99
98
94
97
83
82
92

High Clouds (% Sky Obscured)

83
99
100
99
89
79
70
76
73
90
100
50
49
47
81
99
100
99
97
85
20
43
41
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
99
41
20
6
1
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
3
1
5
3
3
4
6
8
9
14
21
25
30
26
23

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
92
89
86
81
81
81
81
86
89
91
87
86
87
86
89
87
86
84
84
86
86
86
86

Pressure (mb)

999
999
999
999
998
998
998
998
998
998
998
999
999
999
999
1000
1000
1000
1000
1000
1001
1001
1002
1002

Ozone (du)

371
370
367
366
362
360
359
359
357
357
357
361
366
369
368
372
380
386
390
395
401
405
407
406

Thursday 29

Waxing Gibbous 88%

12:16

06:17

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 07:35, Set: 16:50, Transit: 12:13. Moon - Rise: 12:16, Set: 06:17. Civil Dark: 17:25 - 07:00. Nautical Dark: 18:04 - 06:22. Astro Dark: 18:42 - 05:44

Total Clouds (% Sky Obscured)

100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
84
80
86
93
88

Low Clouds (% Sky Obscured)

89
90
76
76
79
73
77
90
93
93
93
92
91
90
91
91
91
90
90
81
79
82
86
82

Medium Clouds (% Sky Obscured)

100
85
89
78
70
71
71
65
55
48
41
34
29
22
22
25
30
36
38
45
48
46
49
50

High Clouds (% Sky Obscured)

31
31
28
25
39
26
49
37
25
25
29
30
41
52
30
24
29
35
31
26
27
22
21
27

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

Precipitation Probability (%)

26
26
20
12
8
6
9
16
23
29
33
34
30
26
19
15
12
9
13
15
22
24
29
28

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.1
0.1
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-7
-8
-8
-8
-7
-6
-7
-7
-6
-7
-7
-7
-6
-6
-6
-6
-7
-6
-6
-5
-7
-6
-6

Dew Point (°C)

-4
-5
-6
-7
-7
-6
-6
-6
-6
-6
-6
-6
-5
-5
-5
-5
-5
-5
-5
-5
-4
-5
-5
-5

Relative Humidity (%)

84
79
74
69
68
68
68
68
70
72
75
75
78
79
81
81
81
82
82
86
86
84
84
84

Pressure (mb)

1003
1003
1003
1004
1004
1004
1004
1004
1004
1005
1005
1006
1006
1006
1006
1006
1006
1006
1007
1007
1007
1007
1007
1007

Ozone (du)

408
411
415
416
418
421
427
439
447
450
450
449
447
447
452
452
453
453
451
450
449
448
446
447

Friday 30

Waxing Gibbous 94%

13:26

07:04

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 07:34, Set: 16:52, Transit: 12:13. Moon - Rise: 13:26, Set: 07:04. Civil Dark: 17:26 - 06:59. Nautical Dark: 18:05 - 06:20. Astro Dark: 18:43 - 05:43

Total Clouds (% Sky Obscured)

78
46
71
79
90
94
94
99
80
60
58
65
69
69
67
62
60
67
60
62
61
61
69
67

Low Clouds (% Sky Obscured)

75
46
71
79
90
91
88
88
79
60
58
65
64
63
62
57
55
59
60
62
61
61
65
62

Medium Clouds (% Sky Obscured)

51
46
47
42
37
43
42
48
45
46
50
46
52
52
47
43
38
36
33
32
24
16
7
15

High Clouds (% Sky Obscured)

32
42
38
35
28
24
23
23
17
10
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 (%)

24
19
15
12
6
6
5
0
1
2
0
4
5
4
5
6
6
6
4
6
9
8
2
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)

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

Chance of Frost

Temperature (°C)

-3
-3
-3
-2
-2
-2
-2
-2
-2
-3
-3
-3
-3
-4
-4
-4
-5
-4
-5
-5
-5
-5
-5
-5

Feels Like (°C)

-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-6
-7
-6
-7
-7
-8
-7
-7
-8
-8
-8
-8
-8
-8

Dew Point (°C)

-6
-6
-8
-8
-7
-8
-8
-7
-7
-6
-6
-7
-7
-7
-8
-8
-8
-8
-8
-8
-8
-8
-8
-8

Relative Humidity (%)

82
76
69
65
64
62
63
66
69
76
76
76
76
78
76
76
77
78
77
77
77
77
77
79

Pressure (mb)

1008
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1010

Ozone (du)

445
449
452
452
452
446
440
438
437
436
430
424
419
412
407
404
403
403
400
393
388
387
385
384

Saturday 31

Waxing Gibbous 99%

14:49

07:37

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

Sun - Rise: 07:33, Set: 16:53, Transit: 12:14. Moon - Rise: 14:49, Set: 07:37. Civil Dark: 17:28 - 06:58. Nautical Dark: 18:07 - 06:19. Astro Dark: 18:45 - 05:41

Total Clouds (% Sky Obscured)

65
55
50
49
45
47
46
48
47
45
47
30
31
32
41
45
49
48
43
33
33
29
30
33

Low Clouds (% Sky Obscured)

55
48
44
44
44
44
46
48
47
45
47
28
30
31
39
43
42
41
36
33
33
29
30
33

Medium Clouds (% Sky Obscured)

23
31
24
17
9
10
10
11
6
3
0
18
19
16
19
28
30
28
26
24
21
17
14
11

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 (%)

7
6
6
5
3
5
4
1
2
2
1
2
1
1
5
6
2
5
10
12
6
3
7
6

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
73
69
64
60
57
55
52
55
63
67
67
64
63
60
60
59
59
59
62
63
63
64
67

Pressure (mb)

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

Ozone (du)

385
386
386
387
388
388
386
382
380
380
385
386
387
387
387
387
388
388
388
388
388
387
387
386

Sunday 1

Full Moon 100%

16:17

08:00

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

Sun - Rise: 07:31, Set: 16:55, Transit: 12:14. Moon - Rise: 16:17, Set: 08:00. Civil Dark: 17:30 - 06:57. Nautical Dark: 18:08 - 06:18. Astro Dark: 18:46 - 05:40

Total Clouds (% Sky Obscured)

40
45
43
40
37
33
30
24
15
13
12
9
5
0
1
1
2
8
15
21
22
24
25
25

Low Clouds (% Sky Obscured)

40
45
43
40
37
33
30
24
15
13
12
9
5
0
0
0
0
1
1
2
9
20
25
25

Medium Clouds (% Sky Obscured)

5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
10
15

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
20
22
24
25
19

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
6
3
0

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
Snow
Snow

Precipitation Probability (%)

4
1
5
4
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
16
28
38
43

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
0.1
0.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-10
-10
-10
-10
-10
-10
-6
-6
-6
-6
-6
-7
-9
-9
-9
-9
-9
-9
-10
-10
-11
-11
-11
-11

Dew Point (°C)

-13
-13
-13
-13
-13
-13
-13
-13
-13
-14
-16
-17
-16
-16
-16
-16
-16
-15
-14
-13
-12
-11
-9
-8

Relative Humidity (%)

64
62
59
56
52
49
49
48
47
45
43
41
44
46
50
51
51
52
58
64
70
77
83
92

Pressure (mb)

1018
1018
1018
1017
1017
1017
1017
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016

Ozone (du)

388
390
392
393
393
394
394
395
396
399
403
406
411
416
421
420
420
420
422
424
426
419
411
404

Monday 2

Waning Gibbous 99%

17:43

08:00

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
00 Bad

Sun - Rise: 07:30, Set: 16:57, Transit: 12:14. Moon - Rise: 17:43, Set: 08:00. Civil Dark: 17:31 - 06:55. Nautical Dark: 18:10 - 06:17. Astro Dark: 18:48 - 05:39

Total Clouds (% Sky Obscured)

35
45
45
50
55
55
55
55
62
68
68
71
72
75
78
81
83

Low Clouds (% Sky Obscured)

35
45
45
50
55
55
55
50
49
54
56
66
72
75
78
81
83

Medium Clouds (% Sky Obscured)

20
35
45
45
45
38
31
24
11
7
5
4
3
0
0
0
0

High Clouds (% Sky Obscured)

14
15
13
12
10
9
2
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
3
6
9
8
8
7
8
8
9
9
9

Fog (%)

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
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

44
40
41
46
53
49
40
25
16
9
6
5
4
1
3
2
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-11
-11
-10
-10
-9
-8
-6
-6
-5
-5
-5
-5
-5
-6
-6
-6
-6

Dew Point (°C)

-8
-8
-8
-7
-5
-4
-4
-4
-3
-3
-3
-3
-3
-4
-4
-4
-5

Relative Humidity (%)

89
89
85
87
89
94
94
92
92
94
96
98
98
96
96
94
94

Pressure (mb)

1016
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013

Ozone (du)

402
401
399
400
401
402
403
403
403
400
396
393
390
387
384
380
377

Forecast for Konojedy, Okres Praha-východ, Czech Republic (49.95,14.85)

Generated: 27/01/26 08:40:52. Forecast: 27/01/26 to 02/02/26. Timezone: UTC+1.00