Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 22

Waxing Crescent 14%

09:23

20:59

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

Sun - Rise: 07:45, Set: 16:38, Transit: 12:12. Moon - Rise: 09:23, Set: 20:59. Civil Dark: 17:14 - 07:09. Nautical Dark: 17:54 - 06:30. Astro Dark: 18:32 - 05:52

Total Clouds (% Sky Obscured)

43
6
0
18
12
0
0
16
36
47
47
87
80
80
85
78
68
68
46
42
46
38
46
44

Low Clouds (% Sky Obscured)

67
39
47
51
57
61
66
63
64
73
75
71
71
72
68
69
68
68
46
42
46
38
46
44

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
2
10
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

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
83
94
96
97
99
100
100
100
98
80
77
76
72
52
55
62
70
74
76
77
77
79
80

Pressure (mb)

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

Ozone (du)

366
366
368
369
368
370
372
371
369
368
365
366
367
368
370
370
368
367
368
369
368
367
368
369

Friday 23

Waxing Crescent 23%

09:36

22:17

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

Sun - Rise: 07:44, Set: 16:40, Transit: 12:12. Moon - Rise: 09:36, Set: 22:17. Civil Dark: 17:16 - 07:08. Nautical Dark: 17:55 - 06:29. Astro Dark: 18:33 - 05:51

Total Clouds (% Sky Obscured)

49
51
49
49
49
48
44
39
39
35
37
64
74
45
35
39
50
70
68
92
97
98
100
100

Low Clouds (% Sky Obscured)

49
51
49
49
49
48
44
39
39
35
37
64
74
45
35
39
50
70
68
82
95
98
100
99

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
50
60
55
45
36
33

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
3
3
5
5
16
19
33
56
53
82
48
41
58
69

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
1
2
2
2
1
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
1
0
3
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
82
83
87
90
90
90
90
90
87
79
73
69
65
63
65
75
84
87
89
91
87
84
81

Pressure (mb)

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

Ozone (du)

370
371
373
374
374
376
380
382
382
381
383
386
384
381
380
381
380
380
382
385
385
387
386
382

Saturday 24

Waxing Crescent 33%

09:49

23:37

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: 07:43, Set: 16:41, Transit: 12:12. Moon - Rise: 09:49, Set: 23:37. Civil Dark: 17:17 - 07:07. Nautical Dark: 17:57 - 06:28. Astro Dark: 18:35 - 05:50

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
99
99
98
99
100
100
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
97
97
97
97
100
100
100
100
100
100
100
100
99

Medium Clouds (% Sky Obscured)

23
20
8
2
0
0
0
0
33
84
17
32
12
6
46
76
96
91
100
100
79
75
85
34

High Clouds (% Sky Obscured)

63
6
17
20
3
48
64
65
65
40
57
57
60
79
76
76
87
100
100
67
75
86
81
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
7
5
6
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
4
1
0
4
1
0
1
0
0
3
0
0
0
0
1
1
0
1
1
4
3
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)

2
2
2
2
2
2
2
2
2
2
2
2
2
3
3
3
3
2
2
2
2
2
1
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
84
87
87
89
91
91
91
89
87
86
81
80
78
78
83
87
92
92
94
96
98
98
98

Pressure (mb)

1005
1005
1005
1005
1005
1005
1005
1005
1005
1006
1006
1006
1006
1006
1005
1005
1006
1006
1006
1006
1006
1006
1006
1006

Ozone (du)

381
381
378
372
369
370
371
371
373
373
373
373
373
373
373
373
373
373
374
377
381
382
383
383

Sunday 25

Waxing Crescent 44%

10:05

No Set

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: 07:42, Set: 16:43, Transit: 12:12. Moon - Rise: 10:05, Set: No Set. Civil Dark: 17:19 - 07:06. Nautical Dark: 17:58 - 06:27. Astro Dark: 18:36 - 05:49

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

100
100
100
98
100
99
74
81
93
100
100
100
100
100
100
100
100
100
100
97
94
91
91
92

Medium Clouds (% Sky Obscured)

15
5
0
0
0
0
0
2
3
55
34
13
44
63
72
100
100
100
72
61
66
96
100
67

High Clouds (% Sky Obscured)

0
0
42
13
6
4
75
70
73
82
34
92
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

7
7
7
7
6
7
9
9
9
9
9
9
9
1
0
0
0
0
1
1
2
1
0
0

Fog (%)

0
0
0
0
1
3
12
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16

Precipitation Type

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

Precipitation Probability (%)

4
0
1
0
1
1
0
0
0
0
3
3
4
8
46
77
72
69
20
32
40
35
52
67

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.3
0.3
0
0
0
0
0
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
94
92
94
89
83
89
91
87
89
91
94
98
98
98
98
98
98
98
96
98
96
98

Pressure (mb)

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

Ozone (du)

384
383
382
382
382
383
385
387
389
391
389
389
390
392
394
395
396
397
401
404
405
406
409
411

Monday 26

First Quarter 56%

10:23

01:00

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: 07:41, Set: 16:45, Transit: 12:13. Moon - Rise: 10:23, Set: 01:00. Civil Dark: 17:20 - 07:05. Nautical Dark: 17:59 - 06:26. Astro Dark: 18:37 - 05:48

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
96
79
64
63
70
72
74
91
91
62
57
56
51
51
50
50

Low Clouds (% Sky Obscured)

93
95
98
100
94
95
76
65
62
56
56
57
61
62
62
84
83
50
49
44
45
45
45
46

Medium Clouds (% Sky Obscured)

77
72
81
100
99
98
98
95
92
76
64
63
70
72
74
77
83
62
57
56
51
45
36
35

High Clouds (% Sky Obscured)

90
97
98
100
87
74
59
49
31
31
19
17
15
30
47
70
76
62
57
53
27
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
3
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16

Precipitation Type

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

Precipitation Probability (%)

84
95
95
95
95
95
95
95
84
59
52
44
34
29
27
24
22
19
17
16
14
10
12
14

Precipitation Amount (mm)

0.6
0.9
1.2
1.6
1.4
1.1
1.1
0.9
0.6
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
4
4
3
4
3
3
2
2
3
5
6
7
7
7
7
7
8
10
10
10
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
96
98
96
96
94
92
91
81
73
66
64
65
69
77
83
84
86
86
89
87
91

Pressure (mb)

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

Ozone (du)

412
415
415
418
417
417
418
422
424
425
428
428
427
426
426
423
421
424
426
426
424
425
428
432

Tuesday 27

Waxing Gibbous 68%

10:49

02:26

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 OK
07 OK
08 OK
09 OK
10 OK
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: 07:39, Set: 16:46, Transit: 12:13. Moon - Rise: 10:49, Set: 02:26. Civil Dark: 17:22 - 07:04. Nautical Dark: 18:01 - 06:25. Astro Dark: 18:39 - 05:47

Total Clouds (% Sky Obscured)

50
58
64
71
60
45
33
30
29
28
41
50
61
63
70
79
86
92
98
99
99
100
99
98

Low Clouds (% Sky Obscured)

45
54
60
68
59
45
33
30
29
28
33
37
42
30
20
13
19
27
38
46
52
57
66
70

Medium Clouds (% Sky Obscured)

33
32
31
32
24
14
9
6
3
0
0
1
1
5
8
12
18
22
24
44
62
78
82
85

High Clouds (% Sky Obscured)

1
1
0
0
0
0
0
0
1
1
4
7
9
14
20
30
34
48
62
73
86
100
76
52

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 (%)

16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16

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 (%)

15
29
24
18
15
12
8
7
5
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)

11
11
11
11
11
11
11
10
10
9
9
7
6
5
4
3
3
4
5
6
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
83
81
81
81
81
83
84
80
78
75
71
69
68
70
74
77
80
81
83
83
86
86
88

Pressure (mb)

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

Ozone (du)

434
435
434
433
432
428
423
418
413
408
402
404
406
408
405
403
400
392
384
376
374
371
368
366

Wednesday 28

Waxing Gibbous 78%

11:25

03:53

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: 07:38, Set: 16:48, Transit: 12:13. Moon - Rise: 11:25, Set: 03:53. Civil Dark: 17:23 - 07:03. Nautical Dark: 18:02 - 06:24. Astro Dark: 18:40 - 05:46

Total Clouds (% Sky Obscured)

97
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
85
77

Low Clouds (% Sky Obscured)

75
79
82
85
84
82
81
88
94
100
100
100
100
98
96
94
85
78
72
79
83
86
82
76

Medium Clouds (% Sky Obscured)

89
93
95
97
98
99
100
97
95
93
95
98
99
99
99
99
99
99
100
100
100
100
83
63

High Clouds (% Sky Obscured)

28
52
76
100
100
100
100
100
100
100
99
98
97
97
98
100
100
100
100
100
100
100
67
33

ISS Passover

Visibility (miles)

9
9
9
9
9
8
7
5
4
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Fog (%)

16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16
16

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
5
9
12
35
49
59
61
59
57
59
55
46
37
26
5
14
17
18
22
23

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
89
91
92
94
92
92
92
94
96
100
98
98
98
98
98
98
98
98
100
98
100
98
98

Pressure (mb)

996
995
995
994
994
994
993
993
993
993
993
992
992
992
992
992
993
993
993
994
994
995
995
995

Ozone (du)

363
360
360
361
361
361
360
360
361
362
363
365
367
369
371
374
376
379
382
384
390
395
401
404

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

Generated: 22/01/26 14:46:33. Forecast: 22/01/26 to 28/01/26. Timezone: UTC+1.00