Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 5

Waning Gibbous 49%

22:42

15:00

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

Sun - Rise: 05:31, Set: 20:33, Transit: 13:01. Moon - Rise: 22:42, Set: 15:00. Civil Dark: 21:12 - 04:53. Nautical Dark: 22:01 - 04:04. Astro Dark: 23:05 - 03:02

Total Clouds (% Sky Obscured)

47
54
74
100
100
100
44
100
94
35
52
88
91
72
94
100
95
100
100
100
99
100
100
100

Low Clouds (% Sky Obscured)

0
10
7
1
1
0
0
0
0
0
0
0
0
0
1
42
54
65
70
70
56
44
41
36

Medium Clouds (% Sky Obscured)

36
42
52
9
34
60
10
35
26
21
22
42
46
52
61
73
84
100
100
98
88
52
81
82

High Clouds (% Sky Obscured)

47
54
61
100
100
100
40
100
90
13
45
60
70
36
85
68
90
96
81
92
86
98
100
100

ISS Passover

Visibility (miles)

9
9
7
1
1
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
Light Rain
Light Rain
None
None
None
None
None
None
None
Very Light Rain
None
None
None
None
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

2
0
14
83
30
6
2
16
23
17
26
49
27
13
10
40
76
87
70
61
55
26
13
4

Precipitation Amount (mm)

0
0
0.8
0.8
0
0
0
0
0
0
0
0.2
0
0
0
0
0.5
0.4
0.3
0.3
0.6
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

33
32
29
25
24
23
22
21
20
20
19
19
19
19
20
23
23
23
22
23
25
25
25
24

Feels Like (°C)

37
34
31
26
24
24
23
23
21
22
23
21
22
21
23
24
25
24
24
25
25
25
25
25

Dew Point (°C)

15
15
20
24
22
20
18
18
17
18
18
17
17
18
18
20
19
18
18
17
13
11
14
17

Relative Humidity (%)

33
35
57
91
89
85
80
80
82
86
89
89
89
92
88
84
80
74
74
68
46
40
51
65

Pressure (mb)

1013
1013
1014
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1017
1017

Ozone (du)

299
298
298
297
298
296
295
297
298
298
298
297
297
297
296
297
296
297
298
298
300
300
299
299

Thursday 6

Third Quarter 37%

23:08

16:25

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 OK
09 OK
10 Good
11 Good
12 OK
13 OK
14 Bad
15 OK
16 Bad

Sun - Rise: 05:33, Set: 20:32, Transit: 13:01. Moon - Rise: 23:08, Set: 16:25. Civil Dark: 21:10 - 04:55. Nautical Dark: 21:59 - 04:06. Astro Dark: 23:01 - 03:05

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
80
38
26
18
0
35
39
50
42
70

Low Clouds (% Sky Obscured)

23
25
51
66
55
76
50
31
40
35
53
42
41
33
39
31
23
18
0
29
33
32
25
45

Medium Clouds (% Sky Obscured)

79
86
91
85
60
47
45
74
49
43
31
35
33
36
43
21
6
0
0
0
8
31
28
31

High Clouds (% Sky Obscured)

100
100
100
100
99
100
100
100
100
100
100
100
100
100
47
0
0
0
0
0
0
0
0
45

ISS Passover

Visibility (miles)

9
7
9
9
2
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
84
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

9
20
36
78
64
41
29
34
24
18
1
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.9
0.5
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
2
3
4
5
6
7
8
7
6
6
7
8
9
8
7
6
4
3
3

Chance of Frost

Temperature (°C)

24
24
24
23
21
20
20
20
19
18
17
17
16
16
17
18
19
21
22
23
24
25
25
25

Feels Like (°C)

25
26
26
24
23
21
21
20
18
17
16
16
16
15
16
18
19
20
22
23
24
25
25
26

Dew Point (°C)

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

Relative Humidity (%)

63
67
70
73
84
85
84
84
82
82
78
77
77
77
73
61
51
45
43
41
40
37
35
35

Pressure (mb)

1016
1017
1017
1017
1018
1018
1018
1018
1019
1019
1019
1019
1020
1020
1021
1021
1021
1021
1021
1021
1021
1020
1019
1019

Ozone (du)

298
297
296
296
295
296
296
295
295
296
297
299
303
307
308
310
314
317
319
320
319
318
317
316

Friday 7

Waning Crescent 26%

23:46

No Set

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

Sun - Rise: 05:34, Set: 20:30, Transit: 13:01. Moon - Rise: 23:46, Set: No Set. Civil Dark: 21:08 - 04:57. Nautical Dark: 21:57 - 04:08. Astro Dark: 22:58 - 03:08

Total Clouds (% Sky Obscured)

61
61
55
55
58
60
66
92
34
7
13
38
50
49
47
37
44
40
24
15
28
29
33
45

Low Clouds (% Sky Obscured)

37
32
31
32
22
5
0
0
0
0
0
0
22
22
24
22
20
20
6
3
17
11
11
24

Medium Clouds (% Sky Obscured)

33
44
29
6
0
0
0
0
0
3
12
33
41
38
39
35
44
40
23
12
21
23
25
27

High Clouds (% Sky Obscured)

45
45
45
50
48
50
61
89
34
6
0
4
2
8
1
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 (%)

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

Chance of Frost

Temperature (°C)

25
24
23
20
18
18
17
16
15
15
14
13
13
13
15
17
19
20
22
23
24
25
25
25

Feels Like (°C)

25
23
22
20
18
17
16
14
13
13
13
13
13
13
16
17
19
21
22
23
24
25
25
26

Dew Point (°C)

10
11
12
12
11
10
10
10
10
11
10
10
10
10
11
10
10
10
10
11
10
10
10
10

Relative Humidity (%)

37
44
52
58
62
62
65
66
70
76
79
80
83
83
75
64
57
52
48
45
42
40
38
37

Pressure (mb)

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

Ozone (du)

314
315
317
316
313
311
309
307
306
306
307
308
308
309
311
313
313
312
313
314
315
315
316
317

Saturday 8

Waning Crescent 16%

00:41

17:42

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

Sun - Rise: 05:36, Set: 20:28, Transit: 13:01. Moon - Rise: 00:41, Set: 17:42. Civil Dark: 21:06 - 04:58. Nautical Dark: 21:54 - 04:10. Astro Dark: 22:55 - 03:11

Total Clouds (% Sky Obscured)

41
46
29
8
14
19
19
40
63
54
43
19
35
40
67
67
63
57
57
58
60
64
74
71

Low Clouds (% Sky Obscured)

36
46
29
0
0
0
5
9
15
10
6
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

20
11
2
8
14
19
11
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
1
0
0
0
30
63
54
43
19
35
27
48
53
63
56
57
58
60
64
73
71

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

Chance of Frost

Temperature (°C)

25
24
23
22
20
18
17
16
15
14
14
13
13
14
16
18
21
23
25
26
27
28
29
29

Feels Like (°C)

25
23
21
20
19
19
17
16
14
12
12
12
13
14
17
19
22
24
26
28
28
30
30
29

Dew Point (°C)

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

Relative Humidity (%)

38
42
50
57
63
65
64
63
62
61
61
62
63
63
61
52
46
44
40
37
35
34
32
31

Pressure (mb)

1019
1019
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1019
1019
1018
1018
1017
1017

Ozone (du)

320
321
317
314
313
312
312
309
308
307
307
308
310
309
307
305
304
304
305
304
304
304
304
304

Sunday 9

Waning Crescent 8%

01:54

18:43

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

Sun - Rise: 05:37, Set: 20:26, Transit: 13:01. Moon - Rise: 01:54, Set: 18:43. Civil Dark: 21:04 - 05:00. Nautical Dark: 21:52 - 04:12. Astro Dark: 22:51 - 03:14

Total Clouds (% Sky Obscured)

75
63
50
46
72
89
59
75
43
49
71
63
71
70
65
68
68
68
66
67
68
65
62
59

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10
16
19
19
21
20
17
16
14

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
11
22
32
29
25
23
17
8
0
2
4
7
10
14
17

High Clouds (% Sky Obscured)

74
62
50
44
72
89
53
75
33
39
63
43
53
54
55
59
59
64
55
40
23
26
31
36

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
12
20
21
15
14
2
24
25
10
38
40
40

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

Chance of Frost

Temperature (°C)

29
28
26
24
22
20
19
18
17
17
17
17
17
18
19
21
23
24
26
27
28
29
29
29

Feels Like (°C)

29
28
26
23
21
19
18
18
17
18
18
17
18
19
21
23
23
24
24
24
25
26
29
28

Dew Point (°C)

10
11
13
14
13
11
10
10
9
9
9
9
9
9
10
9
8
8
7
8
8
8
7
7

Relative Humidity (%)

31
34
44
51
54
57
57
58
58
59
59
58
57
57
55
45
40
35
31
29
28
27
26
25

Pressure (mb)

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

Ozone (du)

303
302
302
303
304
303
304
305
306
306
307
307
307
308
310
309
309
309
309
309
309
308
309
310

Monday 10

Waning Crescent 3%

03:21

19:28

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

Sun - Rise: 05:39, Set: 20:25, Transit: 13:01. Moon - Rise: 03:21, Set: 19:28. Civil Dark: 21:02 - 05:02. Nautical Dark: 21:50 - 04:14. Astro Dark: 22:48 - 03:17

Total Clouds (% Sky Obscured)

59
59
55
46
34
22
26
30
34
47
58
66
58
57
53
42
39
33
48
64
77
72
68
63

Low Clouds (% Sky Obscured)

19
32
42
40
34
22
17
10
4
5
6
9
7
7
4
3
1
0
3
5
6
10
13
12

Medium Clouds (% Sky Obscured)

19
18
14
14
13
13
11
7
1
3
4
6
12
21
31
27
19
7
22
37
52
55
58
61

High Clouds (% Sky Obscured)

39
38
35
26
16
5
13
20
28
45
56
65
58
57
49
42
34
33
33
32
33
32
33
33

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 (%)

21
14
8
4
2
0
2
1
0
1
1
0
5
11
14
14
15
6
6
3
0
6
7
2

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

Chance of Frost

Temperature (°C)

28
27
25
24
23
22
21
20
19
19
18
18
18
19
20
21
22
24
25
26
27
28
28
28

Feels Like (°C)

28
28
29
30
23
23
24
23
22
22
18
18
19
18
19
19
21
21
22
23
23
23
29
29

Dew Point (°C)

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

Relative Humidity (%)

24
29
34
40
41
42
43
44
45
47
46
46
47
49
51
54
47
41
35
33
30
27
31
35

Pressure (mb)

1017
1017
1017
1018
1018
1018
1019
1019
1019
1019
1020
1020
1020
1020
1020
1021
1021
1021
1021
1020
1020
1020
1020
1020

Ozone (du)

312
312
312
312
312
312
311
311
310
309
309
309
310
310
310
311
311
311
311
311
311
311
310
309

Tuesday 11

Waning Crescent 0%

04:52

19:59

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

Sun - Rise: 05:40, Set: 20:23, Transit: 13:01. Moon - Rise: 04:52, Set: 19:59. Civil Dark: 21:00 - 05:03. Nautical Dark: 21:47 - 04:16. Astro Dark: 22:45 - 03:20

Total Clouds (% Sky Obscured)

56
42
30
26
21
20
21
19
19
27
30
32
25
18
10
17
25
34
23
14
1

Low Clouds (% Sky Obscured)

7
5
2
1
1
0
0
0
0
6
13
19
14
9
4
3
1
0
0
0
0

Medium Clouds (% Sky Obscured)

48
33
20
14
8
3
6
10
12
13
13
12
11
8
6
4
3
2
1
1
1

High Clouds (% Sky Obscured)

25
15
13
13
13
18
16
14
10
8
5
2
2
2
2
15
25
34
23
14
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

Fog (%)

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

Precipitation Probability (%)

24
24
22
18
13
11
11
7
2
3
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

27
26
24
22
21
19
18
17
16
15
15
14
13
15
16
18
20
22
24
25
26

Feels Like (°C)

29
30
30
30
20
20
19
18
18
18
13
13
13
12
13
13
17
18
19
20
20

Dew Point (°C)

13
14
15
16
14
11
9
8
7
6
5
5
4
5
5
6
7
7
8
8
9

Relative Humidity (%)

40
47
56
65
63
59
56
55
54
53
53
54
55
51
47
44
41
37
35
33
32

Pressure (mb)

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

Ozone (du)

308
306
305
303
304
304
305
304
303
303
302
302
302
302
303
303
304
305
305
305
305

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

Generated: 05/08/26 17:19:26. Forecast: 05/08/26 to 11/08/26. Timezone: UTC+2.00