Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 23

Waxing Crescent 23%

09:31

22:13

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 07:42, Set: 16:33, Transit: 12:08. Moon - Rise: 09:31, Set: 22:13. Civil Dark: 17:10 - 07:05. Nautical Dark: 17:50 - 06:25. Astro Dark: 18:28 - 05:46

Total Clouds (% Sky Obscured)

93
92
92
92
77
90
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

91
92
92
90
77
90
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

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
4
33
67
77
75
71
59
17
12
49
40
31
50
70
74
70

ISS Passover

Visibility (miles)

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

Fog (%)

1
2
4
5
3
2
2
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
10
9
7
6
7
7
10
8
10
10
9
12
11
12
8
5
8
8
2
3
12

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
92
89
82
76
75
75
78
84
89
94
94
94
94
94
94
91
91
91
91
91
92
92

Pressure (mb)

1005
1005
1005
1005
1005
1005
1005
1004
1004
1004
1004
1004
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005

Ozone (du)

372
375
379
379
378
378
379
381
382
381
377
377
378
378
377
380
385
388
389
391
391
392
391
389

Saturday 24

Waxing Crescent 33%

09:44

23:33

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 07:40, Set: 16:35, Transit: 12:08. Moon - Rise: 09:44, Set: 23:33. Civil Dark: 17:11 - 07:04. Nautical Dark: 17:51 - 06:24. Astro Dark: 18:30 - 05:45

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
100
98
100
100
100
100
100
100
100
100
100
100
100
100
100
97

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
96
99
97
100
100
100
100
100
100
100
100
100
100
100
100
100
94

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
54
57
54
52
51
100
94
59
49
43
80
70
31
19
5

High Clouds (% Sky Obscured)

70
67
23
6
3
26
27
60
44
53
60
60
60
71
61
100
30
47
44
56
68
46
0
0

ISS Passover

Visibility (miles)

2
4
7
6
6
2
1
9
8
9
9
9
4
2
2
1
2
4
7
9
9
7
7
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
22
27
37

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 (%)

3
1
2
5
7
16
3
3
1
5
3
3
16
4
14
6
7
4
2
1
3
11
1
1

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
3
3
3
3
3
3
3
3
3
3
3
3
3
2
2
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
91
89
91
92
89
89
89
94
96
96
96
96
96
96
96
96
96
96
96
94
96

Pressure (mb)

1004
1005
1005
1005
1005
1006
1005
1005
1005
1005
1005
1005
1005
1005
1006
1006
1006
1006
1006
1006
1006
1006
1006
1005

Ozone (du)

384
380
380
381
380
377
375
373
373
372
372
372
373
375
378
383
385
386
388
390
391
393
399
403

Sunday 25

Waxing Crescent 44%

09:59

00:57

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 07:39, Set: 16:37, Transit: 12:08. Moon - Rise: 09:59, Set: 00:57. Civil Dark: 17:13 - 07:03. Nautical Dark: 17:53 - 06:23. Astro Dark: 18:31 - 05:44

Total Clouds (% Sky Obscured)

95
92
93
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
96
100

Low Clouds (% Sky Obscured)

95
91
92
100
100
100
100
100
100
95
100
100
100
86
91
96
95
100
95
97
98
100
90
98

Medium Clouds (% Sky Obscured)

1
0
0
0
0
0
0
1
92
98
96
99
83
96
100
100
95
100
100
64
50
25
20
20

High Clouds (% Sky Obscured)

0
11
3
2
5
9
57
64
26
98
100
100
100
100
100
100
100
100
100
100
100
100
85
73

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

3
0
0
0
1
2
19
18
18
17
23
13
32
42
89
95
77
65
94
63
71
82
74
67

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.9
0.2
0
0.6
0.2
0.3
0.4
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-1
-1
-1
-1
-1
-1
0
0
0
0
0
0
1
1
1
1
1
1
1
1
0
-0
0
0

Relative Humidity (%)

96
96
96
96
96
94
96
96
96
96
96
94
96
96
96
96
96
96
98
94
89
89
93
96

Pressure (mb)

1005
1005
1005
1005
1005
1005
1004
1004
1003
1002
1002
1001
1000
1000
999
998
997
997
996
996
995
995
995
995

Ozone (du)

401
400
398
398
397
394
397
397
395
393
394
393
390
388
389
388
393
401
409
412
417
422
427
431

Monday 26

First Quarter 56%

10:17

02:24

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 07:38, Set: 16:38, Transit: 12:08. Moon - Rise: 10:17, Set: 02:24. Civil Dark: 17:14 - 07:02. Nautical Dark: 17:54 - 06:22. Astro Dark: 18:32 - 05:43

Total Clouds (% Sky Obscured)

100
100
90
100
100
100
98
97
79
67
56
54
55
66
91
74
98
100
100
97
94
92
92
92

Low Clouds (% Sky Obscured)

96
96
82
93
93
93
92
90
78
67
56
54
55
66
70
74
90
96
100
96
93
89
89
88

Medium Clouds (% Sky Obscured)

15
15
15
15
20
24
21
20
23
29
38
40
40
50
65
70
60
52
37
26
13
0
0
0

High Clouds (% Sky Obscured)

72
77
87
87
97
89
74
71
62
53
39
23
2
14
33
3
6
9
12
9
4
0
11
22

ISS Passover

Visibility (miles)

4
5
4
5
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

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

Precipitation Probability (%)

59
52
46
44
48
50
51
43
35
27
26
24
22
23
17
9
10
7
1
2
0
0
0
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
8
7
7
8
8
8
10
8
7
5
4
4
4
4
4
4
3
4
4
4
3
3
2

Chance of Frost

Temperature (°C)

1
1
0
0
0
0
0
0
0
0
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
91
89
84
83
83
86
92
92
94
94
94
92
94
89
89
91
94
96
96
94

Pressure (mb)

995
995
996
996
997
998
998
999
999
1000
1001
1001
1002
1003
1003
1004
1004
1004
1004
1005
1005
1005
1005
1005

Ozone (du)

429
429
430
430
431
432
432
431
431
433
435
437
437
437
436
435
431
431
430
433
436
435
436
431

Tuesday 27

Waxing Gibbous 68%

10:41

03:51

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 07:37, Set: 16:40, Transit: 12:08. Moon - Rise: 10:41, Set: 03:51. Civil Dark: 17:16 - 07:01. Nautical Dark: 17:56 - 06:21. Astro Dark: 18:34 - 05:42

Total Clouds (% Sky Obscured)

93
91
90
89
60
65
73
60
55
59
58
56
93
63
66
71
76
80
83
90
95
100
100
100

Low Clouds (% Sky Obscured)

88
81
75
69
36
26
17
15
17
24
37
49
62
17
34
58
64
70
76
84
91
100
100
100

Medium Clouds (% Sky Obscured)

0
16
30
45
45
32
19
26
37
50
50
50
50
0
1
1
3
3
3
4
6
7
9
12

High Clouds (% Sky Obscured)

33
22
10
0
28
60
73
60
55
59
58
56
93
11
8
6
36
57
62
53
56
57
65
72

ISS Passover

Visibility (miles)

9
9
8
8
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
1
1
2
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
4
5
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)

2
3
2
2
2
2
2
2
2
3
2
4
4
6
3
4
4
4
5
6
8
10
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
91
87
84
81
77
76
78
86
89
91
91
91
91
91
89
87
86
84
83
81
83

Pressure (mb)

1005
1004
1005
1005
1005
1004
1004
1003
1002
1001
1001
1001
1001
1000
999
998
998
997
997
996
996
995
994
994

Ozone (du)

424
419
419
416
411
412
414
413
413
414
411
397
395
410
415
420
425
415
405
394
387
379
371
370

Wednesday 28

Waxing Gibbous 78%

11:17

05:11

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad

Sun - Rise: 07:35, Set: 16:42, Transit: 12:09. Moon - Rise: 11:17, Set: 05:11. Civil Dark: 17:17 - 07:00. Nautical Dark: 17:57 - 06:20. Astro Dark: 18:35 - 05:41

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

100
100
100
100
98
96
94
93
93
93
91
89
89
87
85
84
82
81
79
82
86
87
88
90

Medium Clouds (% Sky Obscured)

20
27
43
39
43
44
45
46
46
46
66
82
100
100
100
100
99
97
98
98
100
97
100
96

High Clouds (% Sky Obscured)

59
66
81
100
68
33
5
6
7
22
48
74
100
100
100
100
99
99
98
98
97
97
98
99

ISS Passover

Visibility (miles)

9
9
8
7
5
4
2
0
0
0
0
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
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 (%)

9
13
16
17
22
26
28
32
29
9
11
11
5
16
18
13
17
16
12
13
11
4
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)

11
12
11
11
11
11
11
11
11
10
9
8
7
7
6
4
3
3
3
2
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
86
89
91
94
94
96
98
98
96
98
98
98
98
98
98
100
100
100
100
100
100
98
100

Pressure (mb)

994
994
994
995
995
995
995
995
996
996
996
997
997
998
999
999
1000
1000
1001
1001
1002
1002
1003
1003

Ozone (du)

368
367
367
366
365
364
362
361
359
358
356
357
358
359
360
360
361
361
361
361
361
361
361
362

Thursday 29

Waxing Gibbous 88%

12:08

No Set

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
00 Bad

Sun - Rise: 07:34, Set: 16:44, Transit: 12:09. Moon - Rise: 12:08, Set: No Set. Civil Dark: 17:19 - 06:58. Nautical Dark: 17:59 - 06:19. Astro Dark: 18:37 - 05:40

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
97
95
92
88
84
81
79
77
76
67
63
65

Low Clouds (% Sky Obscured)

92
94
97
100
96
92
88
87
87
86
82
81
78
75
67
64
58
49
50

Medium Clouds (% Sky Obscured)

96
96
92
89
83
82
66
44
22
0
0
0
0
8
17
25
30
36
34

High Clouds (% Sky Obscured)

100
99
99
98
98
98
98
88
79
69
48
26
5
6
8
5
3
2
0

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

3
5
5
2
5
5
1
2
1
0
0
0
0
2
7
11
19
20
18

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)

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

Chance of Frost

Temperature (°C)

0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0

Feels Like (°C)

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

Dew Point (°C)

0
0
0
0
0
0
1
1
1
1
1
1
1
0
0
0
0
0
-0

Relative Humidity (%)

100
100
98
100
98
98
100
98
100
100
98
98
98
96
96
98
98
100
98

Pressure (mb)

1003
1003
1003
1004
1004
1004
1004
1004
1004
1004
1003
1003
1003
1003
1003
1004
1004
1004
1004

Ozone (du)

364
366
370
375
380
383
386
389
397
406
415
398
381
364
357
350
343
343
342

Forecast for Maršov u Úpice, Trutnov District, Czech Republic (50.48,15.98)

Generated: 23/01/26 06:21:48. Forecast: 23/01/26 to 29/01/26. Timezone: UTC+1.00