Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 12

Waning Crescent 33%

04:01

11:07

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

Sun - Rise: 06:12, Set: 17:57, Transit: 12:05. Moon - Rise: 04:01, Set: 11:07. Civil Dark: 18:30 - 05:40. Nautical Dark: 19:08 - 05:02. Astro Dark: 19:47 - 04:23

Total Clouds (% Sky Obscured)

38
35
34
56
59
74
75
75
77
80
79
46
38
61
43
50
13
16
24
37
38
31
36
29

Low Clouds (% Sky Obscured)

30
35
34
56
59
74
75
75
77
80
79
46
38
61
43
50
13
16
24
37
38
31
36
29

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
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
7
7
8
8
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
37
96
100
100
100
96
88
93
100
98
36
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
2
2
2
2
2
3
2
4
7
11
12
13
13
13
13
12
9
8
9

Chance of Frost

Temperature (°C)

4
4
4
4
4
4
3
3
3
2
3
4
6
8
10
11
12
13
13
13
13
11
10
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
94
94
96
96
96
96
96
96
96
89
79
71
66
57
55
54
53
57
62
72
74
74

Pressure (mb)

1023
1023
1023
1023
1022
1021
1021
1020
1020
1020
1020
1019
1019
1018
1017
1016
1014
1013
1012
1011
1011
1011
1011
1010

Ozone (du)

375
371
369
366
366
371
371
371
370
368
363
360
358
359
362
363
364
363
360
357
352
350
349
351

Friday 13

Waning Crescent 24%

04:33

12:19

21 OK
22 OK
23 OK
00 Good
01 OK
02 OK
03 OK
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

Sun - Rise: 06:10, Set: 17:59, Transit: 12:05. Moon - Rise: 04:33, Set: 12:19. Civil Dark: 18:31 - 05:38. Nautical Dark: 19:10 - 05:00. Astro Dark: 19:49 - 04:21

Total Clouds (% Sky Obscured)

32
23
32
8
36
29
38
63
74
81
76
80
60
62
69
86
95
91
100
98
100
100
100
100

Low Clouds (% Sky Obscured)

24
0
0
4
21
20
34
40
51
53
53
50
22
33
26
29
49
56
64
54
46
61
44
48

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
26
33
6
42
63
67
71
78
56
97

High Clouds (% Sky Obscured)

27
23
32
6
36
20
14
47
50
60
52
59
60
49
55
75
92
84
99
70
77
83
91
99

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
1
13
4
14
3
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)

9
8
8
8
8
8
8
8
8
7
8
10
14
15
16
17
18
18
17
15
13
12
12
10

Chance of Frost

Temperature (°C)

9
8
8
7
7
7
7
7
7
6
7
8
9
10
12
13
13
13
13
13
12
12
11
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
81
82
82
82
84
84
84
84
85
79
68
64
61
61
57
55
54
58
62
63
63
64
67

Pressure (mb)

1010
1010
1009
1009
1008
1008
1007
1007
1006
1006
1006
1006
1005
1005
1004
1003
1002
1002
1001
1001
1001
1001
1002
1002

Ozone (du)

352
354
356
352
348
345
346
351
354
354
351
346
347
348
345
343
347
352
356
360
368
376
380
387

Saturday 14

Waning Crescent 15%

04:58

13:37

21 Bad
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

Sun - Rise: 06:08, Set: 18:01, Transit: 12:04. Moon - Rise: 04:58, Set: 13:37. Civil Dark: 18:33 - 05:36. Nautical Dark: 19:11 - 04:57. Astro Dark: 19:50 - 04:18

Total Clouds (% Sky Obscured)

73
66
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

10
1
0
1
0
1
3
44
77
86
93
100
100
100
100
100
100
100
100
99
98
97
96
95

Medium Clouds (% Sky Obscured)

37
13
71
47
20
16
6
14
16
63
48
63
30
30
72
88
91
90
88
95
96
83
99
99

High Clouds (% Sky Obscured)

66
66
100
100
100
100
100
100
100
100
100
98
100
100
100
100
100
100
100
87
74
61
47
21

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
7
5
5
2
1
2
2
2
2
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
7
3
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
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
0
0
0
0
0
0
0
0
1
2
25
48
58
63
49
38
32
25
29
35
33
32
36

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
77
81
87
87
90
93
93
94
93
93
90
91
91
91
91
94
93
94
94
93
96
96
96

Pressure (mb)

1003
1004
1004
1005
1006
1006
1007
1008
1009
1009
1010
1011
1012
1013
1013
1014
1014
1014
1014
1015
1015
1016
1016
1016

Ozone (du)

395
402
411
414
416
418
419
422
423
422
422
421
423
428
432
438
443
449
455
460
462
467
474
479

Sunday 15

Waning Crescent 8%

05:16

14:56

21 Bad
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

Sun - Rise: 06:06, Set: 18:02, Transit: 12:04. Moon - Rise: 05:16, Set: 14:56. Civil Dark: 18:35 - 05:33. Nautical Dark: 19:13 - 04:55. Astro Dark: 19:52 - 04:16

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

93
94
96
98
96
93
92
94
97
96
100
77
76
83
82
82
77
74
69
66
65
63
41
39

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
95
33
24
37
91
100
100
93
91
97
96
90
93
98
100
91
82

High Clouds (% Sky Obscured)

12
14
23
33
37
29
50
45
40
45
63
77
97
89
61
54
72
69
71
77
83
90
75
54

ISS Passover

Visibility (miles)

0
0
0
2
5
7
5
1
0
7
9
9
9
9
9
6
0
0
9
8
0
4
7
3

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

Precipitation Probability (%)

45
55
63
67
57
59
53
55
42
29
28
19
19
19
28
46
57
37
37
43
41
30
32
30

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
94
94
93
91
91
93
96
94
93
93
83
76
72
65
65
93
94
88
82
93
91
85
89

Pressure (mb)

1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1016
1017
1018

Ozone (du)

481
481
483
485
489
485
466
444
435
422
411
403
399
396
394
402
406
410
415
420
424
425
427
427

Monday 16

Waning Crescent 3%

05:32

16:16

21 Bad
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

Sun - Rise: 06:04, Set: 18:04, Transit: 12:04. Moon - Rise: 05:32, Set: 16:16. Civil Dark: 18:36 - 05:31. Nautical Dark: 19:15 - 04:53. Astro Dark: 19:54 - 04:13

Total Clouds (% Sky Obscured)

92
87
83
79
86
87
100
76
76
73
75
77
76
81
85
86
90
92
94
86
79
71
69
65

Low Clouds (% Sky Obscured)

30
37
48
55
49
18
11
16
25
31
19
18
12
24
35
46
58
70
82
69
57
44
44
45

Medium Clouds (% Sky Obscured)

74
65
67
75
79
83
100
68
67
61
75
71
68
70
67
63
54
45
36
35
38
41
43
28

High Clouds (% Sky Obscured)

41
29
15
0
1
2
3
2
1
0
75
77
76
81
55
40
17
12
2
2
1
0
3
2

ISS Passover

Visibility (miles)

7
4
4
0
0
7
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
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

39
58
69
57
30
11
5
3
1
0
4
3
2
9
11
7
14
20
31
31
29
26
21
14

Precipitation Amount (mm)

0
0.2
0.4
0.3
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
5
5
4
4
4
4
4
5
6
6
7
8
8
8
8
7
7
7
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
94
96
96
86
86
86
89
87
84
77
69
63
60
56
52
54
57
59
63
68
72
77

Pressure (mb)

1018
1019
1019
1020
1021
1021
1022
1022
1023
1023
1024
1023
1023
1023
1023
1023
1022
1022
1022
1022
1023
1023
1024
1024

Ozone (du)

428
426
426
426
423
421
423
424
426
427
428
430
431
432
428
425
421
418
414
410
410
410
409
410

Tuesday 17

Waning Crescent 1%

05:46

17:36

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

Sun - Rise: 06:01, Set: 18:06, Transit: 12:04. Moon - Rise: 05:46, Set: 17:36. Civil Dark: 18:38 - 05:29. Nautical Dark: 19:16 - 04:51. Astro Dark: 19:56 - 04:11

Total Clouds (% Sky Obscured)

61
60
61
56
51
50
47
42
42
41
40
39
34
31
28
25
17
13
7
6
5
4
12
18

Low Clouds (% Sky Obscured)

45
39
32
25
32
39
46
42
41
41
37
33
28
27
27
25
17
13
6
5
4
2
6
10

Medium Clouds (% Sky Obscured)

11
6
4
5
3
2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

High Clouds (% Sky Obscured)

3
4
0
4
4
3
7
7
6
5
4
4
3
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 (%)

2
4
4
0
1
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
9
10
10
11
11
11
10
11
11
12
13
14
15
15
15
15
14
14
14
13
13
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
86
86
86
86
86
88
88
88
86
85
77
70
64
60
56
51
52
53
54
59
63
68
68

Pressure (mb)

1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1023
1024
1024
1025
1025

Ozone (du)

411
412
410
408
405
405
405
405
403
401
399
394
389
384
383
383
382
385
387
389
392
395
398
400

Wednesday 18

Waning Crescent 0%

05:59

18:59

21 OK
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 Bad
11 Bad
12 Bad

Sun - Rise: 05:59, Set: 18:07, Transit: 12:03. Moon - Rise: 05:59, Set: 18:59. Civil Dark: 18:40 - 05:27. Nautical Dark: 19:18 - 04:48. Astro Dark: 19:58 - 04:09

Total Clouds (% Sky Obscured)

19
29
35
29
22
19
17
19
25
32
38
44
50
52
59
67

Low Clouds (% Sky Obscured)

13
17
23
29
21
19
13
11
21
23
33
29
35
43
47
57

Medium Clouds (% Sky Obscured)

3
3
3
4
3
1
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

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

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

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
12
11
10
9
9
9
9
10
9
10
11
12
12
11
11

Chance of Frost

Temperature (°C)

4
3
3
2
2
2
2
1
1
1
1
2
3
5
6
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
70
70
70
73
74
78
83
80
80
80
76
75
72
68
64

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024

Ozone (du)

401
403
405
408
411
412
413
414
415
416
418
418
418
418
418
418

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

Generated: 12/03/26 21:22:30. Forecast: 12/03/26 to 18/03/26. Timezone: UTC+1.00