Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 2

Waning Gibbous 63%

21:12

14:11

21 Bad
22 Bad
23 Bad
00 OK
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: 06:14, Set: 19:36, Transit: 12:55. Moon - Rise: 21:12, Set: 14:11. Civil Dark: 20:10 - 05:40. Nautical Dark: 20:51 - 04:59. Astro Dark: 21:38 - 04:14

Total Clouds (% Sky Obscured)

60
40
53
38
88
51
52
71
95
90
99
86
67
86
95
100
100
100
93
100
100
95
100
94

Low Clouds (% Sky Obscured)

26
32
29
28
60
36
29
48
54
43
42
45
21
61
61
30
29
39
55
47
75
85
76
81

Medium Clouds (% Sky Obscured)

36
40
34
22
41
0
9
23
39
80
94
77
55
58
65
62
57
53
39
76
94
67
99
48

High Clouds (% Sky Obscured)

1
2
6
3
3
24
25
30
87
60
54
10
3
5
38
100
100
98
76
100
100
23
27
12

ISS Passover

Visibility (miles)

8
7
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
2
6
10
12
12
12
12
49
17
1
0
0
0
0
0
0
0
0
0

Precipitation Type

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
None

Precipitation Probability (%)

48
22
0
0
0
0
0
0
0
0
4
7
3
1
0
0
0
0
0
9
33
20
8
5

Precipitation Amount (mm)

0.3
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
2
2
2
2
2
2
2
1
2
3
5
7
9
11
11
11
11
11
9
12
11

Chance of Frost

Temperature (°C)

15
14
13
13
13
13
12
12
12
12
13
14
15
17
18
19
19
19
20
20
20
18
17
16

Feels Like (°C)

14
15
15
14
14
13
13
13
12
12
12
13
15
17
17
17
16
16
17
17
17
16
13
13

Dew Point (°C)

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

Relative Humidity (%)

68
83
84
86
86
83
86
87
90
90
89
84
78
69
68
58
51
50
52
50
51
55
57
64

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1018
1018
1018
1017
1017
1017
1018

Ozone (du)

319
320
320
318
316
314
314
311
310
308
308
307
304
303
302
303
305
308
310
308
310
309
307
305

Thursday 3

Waning Gibbous 52%

21:45

15:30

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: 06:15, Set: 19:34, Transit: 12:54. Moon - Rise: 21:45, Set: 15:30. Civil Dark: 20:07 - 05:42. Nautical Dark: 20:48 - 05:01. Astro Dark: 21:35 - 04:16

Total Clouds (% Sky Obscured)

78
73
98
86
100
100
100
98
100
96
100
98
100
100
83
88
97
67
94
98
82
47
38
28

Low Clouds (% Sky Obscured)

64
61
58
67
59
69
73
74
71
68
84
86
86
64
63
66
76
52
48
57
49
39
35
19

Medium Clouds (% Sky Obscured)

23
6
0
2
31
90
95
84
88
71
48
34
43
51
52
51
47
40
38
45
26
18
20
18

High Clouds (% Sky Obscured)

28
36
95
40
100
100
97
68
100
64
100
53
62
77
54
82
95
30
57
53
16
6
3
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
4
6
7
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 (%)

3
0
0
0
0
0
2
3
1
0
4
1
5
14
2
9
0
1
5
8
7
14
29
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)

8
8
8
6
6
5
5
5
5
4
5
8
10
11
11
13
11
13
13
10
10
11
12
11

Chance of Frost

Temperature (°C)

16
16
15
14
14
14
14
14
13
13
13
14
16
17
18
19
20
22
23
23
23
23
23
22

Feels Like (°C)

13
14
13
13
13
12
12
12
12
12
12
13
14
14
15
16
16
18
19
20
20
21
22
21

Dew Point (°C)

10
11
11
11
11
12
12
12
13
13
13
13
14
14
12
10
10
11
11
13
14
15
15
15

Relative Humidity (%)

70
73
76
82
82
86
87
90
95
96
98
92
89
81
66
53
50
49
48
55
56
57
62
66

Pressure (mb)

1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1016
1015
1015
1014
1013
1012
1012
1011
1011
1011

Ozone (du)

304
303
301
300
298
298
296
294
293
293
293
293
292
292
291
290
289
287
287
287
286
285
286
286

Friday 4

Third Quarter 40%

22:33

16:36

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 OK
11 OK
12 OK
13 OK
14 OK
15 OK
16 OK
17 OK
18 OK
19 Good
20 Bad

Sun - Rise: 06:17, Set: 19:32, Transit: 12:54. Moon - Rise: 22:33, Set: 16:36. Civil Dark: 20:05 - 05:43. Nautical Dark: 20:46 - 05:02. Astro Dark: 21:33 - 04:18

Total Clouds (% Sky Obscured)

28
88
70
95
93
99
100
100
100
100
100
75
55
39
15
14
36
39
37
37
27
14
15
57

Low Clouds (% Sky Obscured)

1
20
22
69
87
91
92
47
42
32
41
47
45
39
15
14
19
23
26
28
19
10
0
20

Medium Clouds (% Sky Obscured)

12
29
37
78
78
88
100
100
100
100
100
60
55
0
0
0
26
28
27
24
16
8
0
0

High Clouds (% Sky Obscured)

15
88
36
17
8
57
26
67
86
100
100
72
50
0
0
0
0
0
0
0
0
0
12
51

ISS Passover

Visibility (miles)

9
6
9
9
9
9
8
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
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

44
64
50
36
31
48
50
83
71
82
76
43
13
1
0
0
0
0
0
0
0
0
0
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.8
0.4
0.5
0.7
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
9
9
9
5
4
4
5
6
5
6
6
8
9
11
13
14
14
14
13
13
10
8
4

Chance of Frost

Temperature (°C)

21
20
20
19
18
17
17
16
15
14
14
14
14
15
17
18
19
20
20
20
20
18
17
15

Feels Like (°C)

20
20
18
18
17
16
15
14
13
12
12
12
12
13
14
15
16
16
17
16
16
16
15
14

Dew Point (°C)

15
16
16
16
14
14
14
14
13
11
11
10
8
6
7
7
6
6
6
5
6
7
7
7

Relative Humidity (%)

69
76
80
81
76
79
86
90
85
83
83
78
63
54
50
46
43
41
39
39
41
46
52
60

Pressure (mb)

1011
1011
1011
1012
1013
1013
1013
1014
1015
1015
1016
1017
1017
1018
1018
1018
1018
1019
1019
1019
1019
1020
1021
1021

Ozone (du)

287
287
287
287
287
288
288
290
292
295
302
311
314
315
318
318
320
320
320
321
320
317
315
314

Saturday 5

Waning Crescent 28%

23:38

17:25

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

Sun - Rise: 06:18, Set: 19:29, Transit: 12:54. Moon - Rise: 23:38, Set: 17:25. Civil Dark: 20:03 - 05:45. Nautical Dark: 20:43 - 05:04. Astro Dark: 21:30 - 04:21

Total Clouds (% Sky Obscured)

78
100
48
27
8
22
33
43
55
39
51
60
48
53
54
57
39
24
22
16
11
5
2
0

Low Clouds (% Sky Obscured)

23
1
0
0
0
1
2
4
5
7
12
20
22
31
31
25
23
22
22
16
11
5
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
5
11
15
10
5
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

67
100
48
27
8
22
33
43
52
38
41
29
19
11
24
39
24
6
3
1
0
0
1
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 (%)

1
1
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)

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

Chance of Frost

Temperature (°C)

15
14
12
11
11
10
10
9
9
9
9
11
13
15
17
18
19
20
20
20
19
18
16
14

Feels Like (°C)

12
12
10
12
11
10
10
10
10
9
11
12
13
15
16
17
17
19
21
20
19
17
16
14

Dew Point (°C)

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

Relative Humidity (%)

56
60
70
76
83
87
88
91
91
93
90
78
71
61
54
48
43
40
39
39
42
52
61
67

Pressure (mb)

1022
1023
1023
1024
1024
1024
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1025
1024
1025
1025
1025

Ozone (du)

313
311
309
308
307
307
306
305
304
304
306
305
306
306
305
303
302
301
300
299
298
297
296
297

Sunday 6

Waning Crescent 18%

00:58

17:59

21 Good
22 OK
23 OK
00 OK
01 OK
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: 06:20, Set: 19:27, Transit: 12:53. Moon - Rise: 00:58, Set: 17:59. Civil Dark: 20:01 - 05:46. Nautical Dark: 20:41 - 05:06. Astro Dark: 21:27 - 04:23

Total Clouds (% Sky Obscured)

3
33
40
30
30
49
68
88
92
96
98
86
93
100
100
100
100
96
92
88
91
96
100
86

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
4
5
3
1
0
0
0
0
9
17
23
24

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
29
37
40
27
42
49
58
71
84
97
74
51
29
32
36
39
37

High Clouds (% Sky Obscured)

1
22
25
25
25
49
67
87
92
96
95
81
90
98
99
99
100
89
78
68
78
89
100
86

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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
2
0
3
4
1
7
20
44
57

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
0.2
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
13
12
11
11
11
11
10
10
11
12
13
15
17
19
20
21
22
23
23
23
21
20
18

Feels Like (°C)

13
12
10
10
9
9
9
9
9
10
10
12
13
14
15
15
16
17
20
20
20
20
21
21

Dew Point (°C)

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

Relative Humidity (%)

70
76
83
84
84
84
85
85
83
80
79
70
61
54
48
44
41
38
38
38
39
44
51
57

Pressure (mb)

1026
1026
1026
1026
1026
1025
1025
1025
1025
1025
1024
1024
1022
1022
1021
1021
1020
1019
1019
1018
1017
1017
1017
1017

Ozone (du)

296
295
293
293
293
291
290
289
288
288
288
289
289
289
289
290
290
290
291
292
293
293
292
292

Monday 7

Waning Crescent 10%

02:25

18:24

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: 06:21, Set: 19:25, Transit: 12:53. Moon - Rise: 02:25, Set: 18:24. Civil Dark: 19:58 - 05:48. Nautical Dark: 20:38 - 05:08. Astro Dark: 21:24 - 04:25

Total Clouds (% Sky Obscured)

72
63
61
55
51
58
65
63
69
83
99
95
90
84
89
94
100
89
79
75
72
66
65
63

Low Clouds (% Sky Obscured)

19
20
21
20
22
29
41
63
69
83
85
74
64
44
37
27
17
15
16
20
16
9
1
6

Medium Clouds (% Sky Obscured)

35
33
26
13
0
0
0
1
7
12
16
14
13
11
24
34
45
45
50
55
55
60
55
63

High Clouds (% Sky Obscured)

72
63
48
24
1
1
2
3
24
54
89
83
78
71
73
83
100
87
77
70
65
65
65
63

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 (%)

45
37
14
5
1
4
4
1
1
2
1
13
10
1
1
2
1
3
3
2
3
2
1
13

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
2
2
2
2
2
2
1
1
1
2
2
3
5
8
8
9
9
9
8
8
5
3
3

Chance of Frost

Temperature (°C)

17
16
16
15
15
14
14
14
14
14
14
15
17
18
20
21
22
23
22
22
22
21
20
18

Feels Like (°C)

15
15
16
16
16
16
15
14
15
14
14
13
15
15
15
16
17
18
21
21
20
20
20
20

Dew Point (°C)

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

Relative Humidity (%)

59
60
60
61
63
64
67
67
69
68
67
66
64
62
60
59
57
55
54
52
49
51
52
53

Pressure (mb)

1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1013
1013
1013
1013
1013

Ozone (du)

292
292
292
292
291
290
290
289
288
287
287
286
284
282
280
280
280
280
281
282
282
283
283
283

Tuesday 8

Waning Crescent 4%

03:53

18:42

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

Sun - Rise: 06:23, Set: 19:23, Transit: 12:53. Moon - Rise: 03:53, Set: 18:42. Civil Dark: 19:56 - 05:50. Nautical Dark: 20:36 - 05:10. Astro Dark: 21:21 - 04:27

Total Clouds (% Sky Obscured)

62
62
72
85
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

12
20
28
39
44
43
43
44
44
49
58
61
63
66
58
50
42

Medium Clouds (% Sky Obscured)

58
62
58
58
59
74
87
99
97
96
94
83
70
57
53
49
41

High Clouds (% Sky Obscured)

62
60
70
83
100
100
100
100
100
100
100
100
100
100
94
87
80

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
5
3
5
7
9
9
9
9
9
9

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

16
13
38
53
60
56
55
52
51
51
36
67
85
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0.2
0
0
0.2
0
0
0
0.3
0.4
0.6
0.9
1.4
2.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
17
16
16
15
15
15
15
14
14
14
14
15
15
16
16
17

Feels Like (°C)

15
16
16
16
16
16
14
13
13
13
13
13
13
13
14
13
13

Dew Point (°C)

10
10
11
12
13
14
14
14
14
14
14
14
13
12
11
9
7

Relative Humidity (%)

59
66
74
78
85
92
93
95
98
96
96
95
87
82
74
63
53

Pressure (mb)

1012
1012
1012
1012
1012
1011
1011
1011
1011
1010
1010
1009
1009
1008
1008
1008
1008

Ozone (du)

284
285
286
287
287
288
290
292
294
295
296
297
299
301
303
305
308

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

Generated: 02/09/26 20:08:29. Forecast: 02/09/26 to 08/09/26. Timezone: UTC+2.00