Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 3

Third Quarter 43%

22:45

15:23

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

Sun - Rise: 07:01, Set: 18:29, Transit: 12:44. Moon - Rise: 22:45, Set: 15:23. Civil Dark: 19:02 - 06:29. Nautical Dark: 19:40 - 05:51. Astro Dark: 20:18 - 05:12

Total Clouds (% Sky Obscured)

15
14
20
21
6
4
4
4
10
12
15
27
15
4
4
6
7
13
20
6
49
15
10
13

Low 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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
0
11
18
4
16
15
6
5

High Clouds (% Sky Obscured)

15
14
17
6
4
1
2
2
6
6
8
14
9
2
2
2
5
2
2
2
48
2
3
8

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)

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

Chance of Frost

Temperature (°C)

20
21
21
21
21
20
18
15
13
12
12
11
11
11
10
10
10
10
10
9
10
12
15
17

Feels Like (°C)

18
20
19
19
20
21
17
15
13
12
11
11
10
10
10
10
10
9
9
10
10
13
15
16

Dew Point (°C)

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

Relative Humidity (%)

36
34
32
30
28
36
42
45
47
48
51
51
51
51
51
52
52
53
53
54
53
45
39
36

Pressure (mb)

1031
1031
1030
1030
1029
1029
1029
1029
1029
1030
1030
1030
1030
1030
1030
1029
1029
1029
1029
1029
1029
1029
1029
1029

Ozone (du)

290
289
288
287
288
288
289
288
289
289
289
290
290
289
288
288
289
288
289
290
291
290
290
291

Sunday 4

Waning Crescent 31%

00:09

16:01

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
06 Bad
07 Bad
08 Bad
09 Bad
10 OK
11 OK

Sun - Rise: 07:03, Set: 18:27, Transit: 12:44. Moon - Rise: 00:09, Set: 16:01. Civil Dark: 19:00 - 06:30. Nautical Dark: 19:37 - 05:53. Astro Dark: 20:16 - 05:14

Total Clouds (% Sky Obscured)

74
100
95
93
82
99
99
70
66
83
81
72
91
100
93
100
100
100
100
94
93
87
46
41

Low Clouds (% Sky Obscured)

0
13
30
31
32
35
36
28
27
19
3
13
18
17
23
26
31
35
30
30
37
31
26
30

Medium Clouds (% Sky Obscured)

18
18
7
1
2
52
46
45
31
50
50
50
50
43
44
50
47
48
57
34
27
24
17
2

High Clouds (% Sky Obscured)

60
100
85
88
82
95
91
70
66
83
79
70
90
100
93
100
100
100
100
45
55
54
6
4

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

Chance of Frost

Temperature (°C)

18
19
19
19
19
19
17
15
13
13
12
12
12
11
11
11
11
11
11
11
11
13
16
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

35
34
33
33
34
41
47
51
56
62
67
71
72
73
76
76
73
73
74
74
71
62
54
49

Pressure (mb)

1028
1028
1027
1027
1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026

Ozone (du)

291
291
292
290
289
288
288
289
291
293
294
294
293
290
290
289
290
292
293
295
296
297
297
296

Monday 5

Waning Crescent 21%

01:35

16:28

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

Sun - Rise: 07:04, Set: 18:25, Transit: 12:44. Moon - Rise: 01:35, Set: 16:28. Civil Dark: 18:57 - 06:32. Nautical Dark: 19:35 - 05:54. Astro Dark: 20:14 - 05:16

Total Clouds (% Sky Obscured)

36
26
40
39
37
28
74
4
4
5
7
6
27
22
29
41
50
37
16
75
51
28
7
6

Low Clouds (% Sky Obscured)

28
20
33
35
37
28
14
1
3
3
2
1
0
0
0
0
0
0
3
7
6
3
0
0

Medium Clouds (% Sky Obscured)

0
0
0
2
3
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
1
4
71
3
2
3
5
5
27
21
25
37
48
35
10
58
38
22
7
6

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
0
0
1
1
0
1
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)

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

Chance of Frost

Temperature (°C)

18
19
19
19
19
19
17
15
14
13
12
12
11
11
10
10
10
9
9
8
9
12
14
16

Feels Like (°C)

18
18
19
19
19
18
16
15
15
14
13
13
13
11
11
11
11
10
10
9
11
13
15
16

Dew Point (°C)

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

Relative Humidity (%)

47
46
45
45
47
53
61
68
72
76
79
80
81
83
84
84
84
84
84
85
78
67
59
52

Pressure (mb)

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

Ozone (du)

294
291
289
288
286
283
280
278
279
279
278
277
276
275
275
275
276
275
275
275
275
275
275
276

Tuesday 6

Waning Crescent 12%

02:59

16:48

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

Sun - Rise: 07:06, Set: 18:23, Transit: 12:44. Moon - Rise: 02:59, Set: 16:48. Civil Dark: 18:55 - 06:33. Nautical Dark: 19:33 - 05:56. Astro Dark: 20:11 - 05:17

Total Clouds (% Sky Obscured)

5
2
4
5
7
8
8
8
10
8
5
8
7
8
12
15
18
14
10
7
5
4
0
11

Low 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

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)

4
2
3
4
6
7
8
8
10
7
4
7
6
8
12
14
18
13
10
6
5
3
0
11

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)

4
5
5
5
4
3
2
2
3
3
2
2
2
2
2
2
3
3
2
2
2
3
6
9

Chance of Frost

Temperature (°C)

17
18
19
19
19
19
17
15
13
13
12
12
11
11
11
11
10
10
10
10
11
13
15
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

48
46
45
45
46
52
61
67
70
70
66
63
58
54
52
49
47
44
43
42
43
37
32
33

Pressure (mb)

1022
1021
1021
1020
1020
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1018
1018
1018
1018
1018

Ozone (du)

277
277
278
279
280
280
280
281
281
281
281
281
283
284
285
285
285
285
285
285
286
285
285
286

Wednesday 7

Waning Crescent 6%

04:20

17:04

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

Sun - Rise: 07:08, Set: 18:21, Transit: 12:43. Moon - Rise: 04:20, Set: 17:04. Civil Dark: 18:53 - 06:35. Nautical Dark: 19:31 - 05:57. Astro Dark: 20:09 - 05:19

Total Clouds (% Sky Obscured)

23
40
46
57
81
88
84
48
31
18
13
2
4
2
2
2
2
4
13
30
43
52
57
61

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
10
18
30
43

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
3
22
42
57
61

High Clouds (% Sky Obscured)

23
40
46
57
80
88
82
48
31
17
13
1
3
1
1
1
1
2
6
17
43
52
57
61

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
7
5
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
18
42
74
90

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
0.5
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
18
18
19
19
19
16
15
15
14
14
13
14
13
13
12
12
11
11
11
10
10
10
11

Dew Point (°C)

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

Relative Humidity (%)

34
35
35
35
35
43
50
53
56
58
60
62
66
71
79
83
85
88
88
88
87
90
92
95

Pressure (mb)

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

Ozone (du)

286
286
286
288
291
294
295
295
294
296
294
294
295
295
294
294
293
293
293
293
293
295
296
297

Thursday 8

Waning Crescent 2%

05:38

17:18

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 07:09, Set: 18:18, Transit: 12:43. Moon - Rise: 05:38, Set: 17:18. Civil Dark: 18:51 - 06:37. Nautical Dark: 19:29 - 05:59. Astro Dark: 20:07 - 05:21

Total Clouds (% Sky Obscured)

62
62
71
80
89
92
96
99
99
99
99
95
89
74
65
60
60
65
74
82
90
96
100
99

Low Clouds (% Sky Obscured)

58
62
62
58
51
51
57
74
80
85
88
74
56
41
38
57
60
65
61
55
59
63
61
61

Medium Clouds (% Sky Obscured)

62
62
62
61
63
63
70
78
85
92
99
93
89
74
65
60
60
60
55
55
55
60
70
65

High Clouds (% Sky Obscured)

62
62
57
29
2
1
2
2
3
2
0
13
20
30
35
35
50
60
73
82
88
93
99
88

ISS Passover

Visibility (miles)

5
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
6
4
6
8
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
Light Rain
Very Light Rain
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

90
84
69
50
18
18
28
37
72
95
95
95
95
95
92
87
79
76
73
68
57
46
33
22

Precipitation Amount (mm)

0.6
0.5
0.3
0
0
0
0
0
0.3
0.6
1.1
1.3
0.9
0.7
0.6
0.6
0.4
0.4
0.4
0.4
0.2
0
0
0

Wind Speed/Direction (mph)

7
8
10
10
10
10
7
5
5
6
7
7
6
5
5
4
4
3
2
1
2
3
4
5

Chance of Frost

Temperature (°C)

13
14
15
16
16
16
16
15
14
13
13
11
10
10
9
8
8
7
7
7
7
7
8
9

Feels Like (°C)

11
12
13
14
14
15
15
15
15
10
9
8
8
9
9
7
7
7
7
6
6
5
4
4

Dew Point (°C)

12
13
14
14
13
12
12
11
11
10
10
9
9
8
8
7
7
6
6
6
6
5
3
2

Relative Humidity (%)

95
93
93
86
81
73
77
79
83
83
83
84
88
90
93
93
94
94
94
94
96
84
73
63

Pressure (mb)

1011
1010
1010
1011
1011
1011
1012
1013
1013
1014
1015
1016
1016
1017
1017
1018
1018
1018
1019
1019
1020
1020
1020
1020

Ozone (du)

302
307
311
314
316
318
321
325
328
328
328
328
325
322
319
317
315
313
312
311
311
309
307
305

Friday 9

Waning Crescent 2%

06:55

17:31

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
06 Bad
07 Bad

Sun - Rise: 07:11, Set: 18:16, Transit: 12:43. Moon - Rise: 06:55, Set: 17:31. Civil Dark: 18:49 - 06:38. Nautical Dark: 19:27 - 06:00. Astro Dark: 20:05 - 05:22

Total Clouds (% Sky Obscured)

98
97
83
76
69
64
61
55
70
87
100
98
95
92
88
84
80
84
92
100

Low Clouds (% Sky Obscured)

71
82
71
61
50
34
18
3
3
3
3
10
18
25
47
61
75
78
88
100

Medium Clouds (% Sky Obscured)

54
44
30
23
12
7
3
0
25
48
72
77
80
83
66
50
35
43
50
56

High Clouds (% Sky Obscured)

75
64
60
57
58
64
61
55
70
86
99
74
51
24
22
27
29
37
45
30

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

17
14
12
8
0
0
0
0
0
0
0
0
0
0
0
0
0
9
15
19

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
10
10
10
10
10
9
8
7
6
6
6
6
6
6
6
6
6
6
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
55
50
51
50
50
55
59
63
65
69
72
71
71
71
71
71
71
75
81

Pressure (mb)

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

Ozone (du)

302
299
297
294
291
288
286
285
283
282
281
280
279
277
276
275
274
274
273
273

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

Generated: 03/10/26 12:46:22. Forecast: 03/10/26 to 09/10/26. Timezone: UTC+2.00