Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 26

Full Moon 100%

18:23

06:23

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

Sun - Rise: 06:49, Set: 18:45, Transit: 12:47. Moon - Rise: 18:23, Set: 06:23. Civil Dark: 19:17 - 06:16. Nautical Dark: 19:55 - 05:38. Astro Dark: 20:35 - 04:59

Total Clouds (% Sky Obscured)

32
21
13
61
87
95
74
54
52
55
7
3
0
10
97
100
94
75
45
11
76
68
52
59

Low Clouds (% Sky Obscured)

1
0
13
36
15
0
0
0
0
5
5
3
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
47
38
48
46

High Clouds (% Sky Obscured)

16
8
13
52
87
94
64
35
33
30
1
0
0
7
96
100
92
71
35
11
33
48
9
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
1
1
2
2
2
3
5
6
7
7
7
6
4
2
1
2
3
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

6
6
6
6
7
9
11
13
14
16
17
17
17
17
15
14
12
12
11
10
9
9
9
9

Feels Like (°C)

5
6
6
6
7
8
9
11
12
13
14
17
17
17
16
12
11
10
9
8
10
8
8
9

Dew Point (°C)

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

Relative Humidity (%)

88
91
91
93
87
77
70
61
56
52
48
45
45
48
58
63
65
66
67
70
70
70
72
74

Pressure (mb)

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

Ozone (du)

290
289
290
290
289
288
288
288
288
289
289
289
289
289
287
287
285
285
285
285
285
285
285
286

Sunday 27

Waning Gibbous 98%

18:37

07:42

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

Sun - Rise: 06:50, Set: 18:43, Transit: 12:46. Moon - Rise: 18:37, Set: 07:42. Civil Dark: 19:15 - 06:18. Nautical Dark: 19:53 - 05:40. Astro Dark: 20:32 - 05:01

Total Clouds (% Sky Obscured)

63
95
98
98
100
92
91
90
94
95
87
85
66
60
67
30
11
1
20
24
23
9
4
3

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
13
17
14
3
0
0

Medium Clouds (% Sky Obscured)

55
86
80
82
83
82
82
85
73
70
63
60
57
59
63
24
6
0
0
0
2
2
2
1

High Clouds (% Sky Obscured)

32
81
93
85
100
81
43
57
84
86
49
40
25
9
8
6
2
1
1
1
2
2
3
3

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
8
7
7
9
11
14
14
15
16
16
16
16
16
15
13
12
12
12
11
11
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

75
75
73
73
69
62
55
52
48
44
42
42
43
50
60
64
68
67
67
68
69
69
71
69

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1024
1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

285
285
284
284
284
285
286
286
285
285
285
285
285
284
285
286
287
287
286
285
285
284
284
283

Monday 28

Waning Gibbous 93%

18:54

09:04

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

Sun - Rise: 06:52, Set: 18:40, Transit: 12:46. Moon - Rise: 18:54, Set: 09:04. Civil Dark: 19:13 - 06:19. Nautical Dark: 19:51 - 05:41. Astro Dark: 20:30 - 05:02

Total Clouds (% Sky Obscured)

5
5
6
7
7
15
29
26
11
12
10
23
36
35
37
40
39
16
19
21
32
9
13
30

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

2
3
3
3
3
3
3
3
4
3
3
3
2
2
2
2
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

4
2
3
2
2
12
28
18
5
4
2
16
36
35
37
40
39
16
19
19
32
9
13
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
69
69
69
65
54
50
48
46
44
42
40
41
47
56
61
63
64
65
65
64
64
64
63

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1025
1025
1026
1026
1026
1026
1026
1026
1026

Ozone (du)

282
282
281
281
282
281
281
281
280
279
278
277
277
276
276
276
277
277
277
278
278
278
278
278

Tuesday 29

Waning Gibbous 86%

19:16

10:30

04 OK
05 OK
06 OK
07 Good
08 OK
09 OK
10 Good
11 Good
12 Good
13 OK
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

Sun - Rise: 06:53, Set: 18:38, Transit: 12:46. Moon - Rise: 19:16, Set: 10:30. Civil Dark: 19:11 - 06:21. Nautical Dark: 19:49 - 05:43. Astro Dark: 20:28 - 05:04

Total Clouds (% Sky Obscured)

40
31
20
8
20
22
17
14
13
20
16
13
10
3
2
1
1
1
2
3
4
5
8
15

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0
0
0
0
1
2
3
7
11

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)

40
31
20
8
20
22
14
9
10
20
16
10
8
1
1
1
1
1
1
2
2
2
2
5

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
62
64
64
62
50
44
40
38
37
35
34
34
40
51
54
56
55
54
54
53
53
53
54

Pressure (mb)

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

Ozone (du)

278
279
279
279
280
280
281
281
282
282
282
282
283
284
284
284
284
284
284
284
284
285
285
285

Wednesday 30

Waning Gibbous 83%

19:47

11:57

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

Sun - Rise: 06:55, Set: 18:36, Transit: 12:45. Moon - Rise: 19:47, Set: 11:57. Civil Dark: 19:08 - 06:23. Nautical Dark: 19:46 - 05:45. Astro Dark: 20:25 - 05:06

Total Clouds (% Sky Obscured)

16
26
25
32
24
17
21
24
15
19
13
8
20
20
20
6
33
23
16
21
26
32
38
46

Low Clouds (% Sky Obscured)

15
20
25
28
18
9
0
6
11
17
11
5
0
0
0
0
12
6
0
2
4
6
8
9

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
2
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
8
1
5
5
6
20
14
3
1
2
1
20
20
15
4
7
8
12
20
21
24
38
46

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
55
55
54
52
45
38
36
35
33
33
32
33
39
49
54
57
58
58
59
58
58
58
58

Pressure (mb)

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

Ozone (du)

285
286
286
288
288
288
289
290
289
288
287
287
287
286
286
286
286
286
286
286
286
286
286
286

Thursday 1

Waning Gibbous 77%

20:30

13:19

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 Good
17 OK
18 OK
19 OK
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 06:57, Set: 18:34, Transit: 12:45. Moon - Rise: 20:30, Set: 13:19. Civil Dark: 19:06 - 06:24. Nautical Dark: 19:44 - 05:46. Astro Dark: 20:23 - 05:07

Total Clouds (% Sky Obscured)

53
55
63
65
69
77
84
77
71
63
47
31
18
24
32
40
50
54
56
55
55
51
52
55

Low Clouds (% Sky Obscured)

13
13
15
17
19
18
17
17
19
21
24
30
18
24
32
40
34
31
29
27
23
23
23
20

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)

53
55
63
65
69
77
84
77
71
63
43
22
1
9
15
19
14
16
16
18
19
30
45
50

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
58
58
58
58
52
46
41
40
39
37
39
41
43
48
55
63
63
65
66
67
70
71
73

Pressure (mb)

1026
1025
1026
1026
1026
1026
1026
1025
1025
1025
1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1026

Ozone (du)

286
286
286
286
287
287
287
288
288
289
289
289
289
289
288
288
288
288
287
287
286
285
284
283

Friday 2

Waning Gibbous 66%

21:30

14:30

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 OK
19 OK
20 OK
21 OK
22 OK
23 Good
00 Good
01 Good

Sun - Rise: 06:58, Set: 18:32, Transit: 12:45. Moon - Rise: 21:30, Set: 14:30. Civil Dark: 19:04 - 06:26. Nautical Dark: 19:42 - 05:48. Astro Dark: 20:20 - 05:09

Total Clouds (% Sky Obscured)

62
64
58
51
54
56
59
65
61
62
74
80
79
59
45
20
18
17
21
15
13
12

Low Clouds (% Sky Obscured)

18
14
12
12
8
7
5
20
37
49
61
69
77
59
45
20
18
17
21
15
13
12

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

High Clouds (% Sky Obscured)

50
45
35
25
25
25
30
30
40
45
50
60
65
57
40
20
18
17
16
14
12
12

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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
74
74
74
73
65
58
52
53
55
58
62
67
74
78
83
87
86
84
83
83
83

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1025
1026
1026
1026
1027
1027
1027
1027
1027

Ozone (du)

283
282
282
282
282
281
279
278
278
278
279
279
279
280
281
282
284
284
284
284
285
285

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

Generated: 26/09/26 04:17:42. Forecast: 26/09/26 to 02/10/26. Timezone: UTC+2.00