Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 8

Waning Gibbous 91%

18:07

11:13

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

Sun - Rise: 06:59, Set: 16:19, Transit: 11:39. Moon - Rise: 18:07, Set: 11:13. Civil Dark: 16:54 - 06:24. Nautical Dark: 17:34 - 05:45. Astro Dark: 18:12 - 05:07

Total Clouds (% Sky Obscured)

43
36
25
18
0
0
0
0
0
0
0
6
10
24
45
91
100
100
100
99
100
100
100
100

Low Clouds (% Sky Obscured)

20
3
0
0
0
0
0
0
0
0
0
1
7
4
11
30
73
97
77
94
100
100
99
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
4
7
21
38
69
100
100
100
92
80
96
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
3
3
4
75
100
100
50
43
3
60
70
52

ISS Passover

Visibility (miles)

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

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
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
33
76
81
71
94
95
95
54

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.4
0.2
0.5
1.4
1.1
0.4

Wind Speed/Direction (mph)

12
8
5
4
1
1
1
1
2
2
2
3
4
4
4
3
2
2
2
2
2
3
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
88
90
88
88
88
88
86
85
77
69
67
66
66
67
75
78
84
90
93
94
96
98
98

Pressure (mb)

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

Ozone (du)

261
259
259
259
257
257
259
261
263
264
263
263
263
262
262
264
262
261
264
265
267
266
268
269

Sunday 9

Waning Gibbous 82%

19:23

12:09

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: 07:01, Set: 16:18, Transit: 11:39. Moon - Rise: 19:23, Set: 12:09. Civil Dark: 16:53 - 06:26. Nautical Dark: 17:32 - 05:47. Astro Dark: 18:10 - 05:09

Total Clouds (% Sky Obscured)

100
100
100
100
100
96
98
100
98
98
98
99
99
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
91
95
96
84
89
89
92
93
92
97
100
100
100
99
97
100
100
100
100

Medium Clouds (% Sky Obscured)

97
73
58
72
79
69
60
67
49
47
48
54
56
61
87
68
73
76
72
81
90
83
74
84

High Clouds (% Sky Obscured)

0
3
3
2
0
0
0
0
0
0
1
3
2
35
41
41
8
12
18
26
35
22
7
20

ISS Passover

Visibility (miles)

4
4
8
6
5
9
9
9
9
8
6
4
3
5
7
5
4
4
7
9
9
9
9
9

Fog (%)

0
0
0
10
36
33
85
86
84
86
85
77
45
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
Very Light Rain
None
Very Light Rain
Very Light Rain

Precipitation Probability (%)

44
40
27
19
20
26
13
11
10
11
22
14
24
28
31
36
43
50
47
47
48
46
48
49

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0.2
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
7
7
7
6
7
6
6
6
7
7
7
7
7
7
6
6
6
6
5
5
5
5
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

269
269
269
268
267
268
268
267
267
266
267
268
268
268
269
269
271
271
272
271
270
270
271
270

Monday 10

Waning Gibbous 72%

20:47

12:48

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: 07:03, Set: 16:16, Transit: 11:40. Moon - Rise: 20:47, Set: 12:48. Civil Dark: 16:52 - 06:28. Nautical Dark: 17:31 - 05:48. Astro Dark: 18:09 - 05:10

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

100
100
97
100
100
100
100
100
100
100
98
98
100
100
100
100
96
94
94
96
96
96
96
96

Medium Clouds (% Sky Obscured)

93
93
85
77
76
75
85
80
73
83
85
56
56
38
38
46
46
29
22
23
23
15
12
10

High Clouds (% Sky Obscured)

19
2
2
2
17
59
70
70
80
65
47
63
47
10
11
8
7
8
0
1
3
10
7
4

ISS Passover

Visibility (miles)

9
9
9
6
9
8
4
4
3
4
4
4
1
4
5
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

42
36
40
42
21
30
29
21
38
39
34
28
14
16
27
14
11
8
16
8
8
4
4
3

Precipitation Amount (mm)

0
0
0
0.2
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
3
2
2
3
3
2
3
3
3
3
3
2
2
2
1
2
2
1
1
1

Chance of Frost

Temperature (°C)

5
5
5
5
5
5
5
5
5
6
6
6
6
7
7
7
7
6
6
6
6
6
6
6

Feels Like (°C)

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

Dew Point (°C)

4
4
4
4
4
4
5
5
5
5
5
6
6
6
6
6
6
6
5
5
5
5
5
5

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

269
267
267
267
269
269
269
268
265
265
266
268
272
273
273
273
275
275
273
272
271
267
263
259

Tuesday 11

Waning Gibbous 61%

22:10

13:14

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: 07:05, Set: 16:15, Transit: 11:40. Moon - Rise: 22:10, Set: 13:14. Civil Dark: 16:50 - 06:29. Nautical Dark: 17:30 - 05:50. Astro Dark: 18:08 - 05:11

Total Clouds (% Sky Obscured)

98
96
96
94
94
95
95
95
96
97
95
92
90
94
83
66
57
58
59
58
68
63
64
67

Low Clouds (% Sky Obscured)

96
93
95
94
94
94
94
94
95
95
89
84
79
82
78
66
57
58
59
58
65
63
64
67

Medium Clouds (% Sky Obscured)

4
3
1
0
0
0
0
0
0
0
0
0
0
16
41
66
57
58
59
58
68
63
64
67

High Clouds (% Sky Obscured)

1
10
4
10
4
2
5
6
27
31
27
18
26
43
49
66
57
58
59
53
29
2
0
0

ISS Passover

Visibility (miles)

8
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
1
0
2
4
5
6
6
6
7
7
2
9
15
21
33
40
44
39
32
21
19
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
5
4
4
4
4
4
4
5
5
5
6
6
6
6
5
6
6
6
6
5
5
5

Dew Point (°C)

5
5
5
5
5
5
5
5
5
5
4
5
5
5
4
4
5
5
4
4
4
4
4
4

Relative Humidity (%)

96
96
94
93
91
91
91
93
90
87
84
84
81
80
77
78
87
90
91
91
93
94
93
94

Pressure (mb)

1017
1017
1017
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1019
1019
1019
1020
1020
1020

Ozone (du)

257
256
257
259
260
258
258
260
262
263
262
262
262
266
268
268
268
268
267
267
267
269
272
279

Wednesday 12

Third Quarter 50%

23:29

13:33

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 OK
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 Bad
23 Bad

Sun - Rise: 07:06, Set: 16:13, Transit: 11:40. Moon - Rise: 23:29, Set: 13:33. Civil Dark: 16:49 - 06:31. Nautical Dark: 17:29 - 05:51. Astro Dark: 18:07 - 05:13

Total Clouds (% Sky Obscured)

81
85
72
60
54
46
45
46
47
53
56
69
69
60
50
39
47
57
68
54
40
28
42
56

Low Clouds (% Sky Obscured)

76
78
72
60
54
46
45
46
47
53
56
69
69
60
50
39
47
57
45
35
31
28
25
25

Medium Clouds (% Sky Obscured)

68
73
72
60
54
35
15
10
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

4
35
54
60
54
30
0
0
0
0
0
0
0
1
3
4
8
7
7
4
4
4
2
1

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 (%)

13
15
15
11
12
10
3
2
1
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
1
1
1
1
1
1
2
2
3
3
3
3
3
2
1
2
2
3
3
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
93
94
94
94
94
94
94
94
90
85
82
79
78
81
84
88
88
88
90
89
89
91
91

Pressure (mb)

1021
1020
1021
1021
1021
1021
1022
1022
1022
1023
1023
1022
1022
1022
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024

Ozone (du)

288
291
290
291
292
292
293
297
299
301
300
297
295
295
290
285
280
276
272
269
267
266
265
264

Thursday 13

Waning Crescent 40%

No Rise

13:47

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 OK
15 OK
16 OK
17 OK
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:08, Set: 16:12, Transit: 11:40. Moon - Rise: No Rise, Set: 13:47. Civil Dark: 16:48 - 06:32. Nautical Dark: 17:27 - 05:53. Astro Dark: 18:06 - 05:14

Total Clouds (% Sky Obscured)

67
59
53
47
57
63
69
68
66
65
60
60
56
58
48
46
40
38
41
42
48
54
58
61

Low Clouds (% Sky Obscured)

22
37
53
47
57
63
69
68
64
60
54
52
51
50
48
44
40
38
41
42
44
45
50
50

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
23
32
37
38
40
40
43
45
48
60
60
56
58
48
46
40
38
41
42
48
54
49
22

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
93
91
93
93
93
91
88
83
81
78
74
78
82
86
88
91
93
91
91
93
91

Pressure (mb)

1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1022

Ozone (du)

263
262
262
262
262
261
260
259
259
259
259
260
260
261
261
261
261
261
261
261
262
263
264
263

Friday 14

Waning Crescent 30%

00:44

13:59

Sun - Rise: 07:09, Set: 16:11, Transit: 11:40. Moon - Rise: 00:44, Set: 13:59. Civil Dark: 16:47 - 06:34. Nautical Dark: 17:26 - 05:54. Astro Dark: 18:05 - 05:16

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 08/11/25 00:40:58. Forecast: 08/11/25 to 14/11/25. Timezone: UTC+1.00