Clear Outside v1.0 - International Weather Forecasts For Astronomers

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

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)

84
89
92
89
100
100
100
100
100
100
100
100
94
64
62
69
21
18
19
48
40
41
38
44

Low Clouds (% Sky Obscured)

20
14
0
6
38
52
65
61
57
54
58
66
59
31
5
0
19
18
19
45
27
21
34
44

Medium Clouds (% Sky Obscured)

84
89
79
76
46
73
88
61
27
38
23
7
20
22
21
30
14
0
0
21
31
33
28
23

High Clouds (% Sky Obscured)

74
89
92
84
100
100
100
100
100
100
100
100
80
35
40
40
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
2
5
9
6
5
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

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

Precipitation Probability (%)

60
33
16
19
66
76
58
34
44
32
7
1
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

1.3
0
0
0
0.7
0.6
0.3
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

47
54
65
67
74
86
91
86
88
89
86
83
81
81
79
74
56
47
44
41
38
37
35
34

Pressure (mb)

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

Ozone (du)

300
298
297
297
297
296
296
296
295
296
297
298
300
306
308
312
315
316
318
321
321
322
324
324

Friday 7

Waning Crescent 26%

23:46

No Set

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

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)

46
33
29
16
47
1
5
25
52
86
41
34
43
48
43
40
38
26
35
39
52
49
71
60

Low Clouds (% Sky Obscured)

41
27
25
16
7
0
2
0
3
19
24
0
26
26
26
28
21
12
20
19
28
34
38
21

Medium Clouds (% Sky Obscured)

29
30
20
0
0
0
3
8
35
45
40
34
39
48
43
40
37
26
27
26
27
21
34
33

High Clouds (% Sky Obscured)

0
0
0
0
24
1
3
24
25
50
0
0
0
0
0
0
0
0
2
3
5
3
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
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)

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

Chance of Frost

Temperature (°C)

25
24
22
20
18
17
16
16
15
15
14
14
13
13
15
17
18
20
21
22
23
24
24
24

Feels Like (°C)

24
23
21
20
18
17
16
15
14
13
12
14
13
13
15
18
19
20
21
23
23
24
24
24

Dew Point (°C)

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

Relative Humidity (%)

37
44
52
59
63
64
65
66
69
75
78
80
82
82
76
66
59
55
51
47
44
41
38
39

Pressure (mb)

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

Ozone (du)

324
322
321
321
318
314
312
312
310
310
311
316
318
317
316
314
314
313
314
314
314
314
313
313

Saturday 8

Waning Crescent 16%

00:41

17:42

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

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)

43
18
1
0
0
0
0
12
21
24
26
30
24
19
13
10
21
5
6
8
9
8
9
11

Low Clouds (% Sky Obscured)

13
0
0
0
0
0
0
11
19
18
18
16
11
7
5
4
2
0
0
1
1
4
6
9

Medium Clouds (% Sky Obscured)

22
17
0
0
0
0
0
0
0
1
1
2
1
1
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

3
1
1
0
0
0
0
4
4
4
7
10
5
4
3
4
21
5
5
5
6
2
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 (%)

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

Chance of Frost

Temperature (°C)

24
23
22
20
18
17
16
15
15
14
13
13
12
13
16
18
20
22
24
25
26
27
28
28

Feels Like (°C)

22
22
22
20
18
17
16
15
15
14
13
14
13
14
17
20
22
24
26
27
27
28
28
30

Dew Point (°C)

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

Relative Humidity (%)

43
46
54
64
69
71
70
69
69
68
69
69
69
69
66
57
52
45
41
37
34
32
32
31

Pressure (mb)

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

Ozone (du)

314
314
315
315
316
318
316
314
315
314
311
308
309
311
311
313
315
315
315
315
315
317
320
319

Sunday 9

Waning Crescent 8%

01:54

18:43

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

7
4
0
0
0
12
1
1
14
24
43
56
71
58
52
67
58
52
39
21
0
13
26
40

Low Clouds (% Sky Obscured)

7
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
9
14

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
13
27
38
30
21
13
9
5
0
8
17
25

High Clouds (% Sky Obscured)

0
0
0
0
0
12
1
1
14
24
43
56
71
57
51
63
43
42
33
15
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
1
4
7
3
11
9
0
3
2
4

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

Chance of Frost

Temperature (°C)

28
27
25
23
21
19
18
17
17
16
16
16
16
17
19
21
22
24
26
27
29
30
30
31

Feels Like (°C)

30
28
26
25
22
20
18
18
18
17
18
17
18
17
20
23
23
25
26
28
29
30
30
30

Dew Point (°C)

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

Relative Humidity (%)

31
33
44
50
53
55
57
61
61
61
62
61
61
61
60
50
44
41
37
33
31
27
24
24

Pressure (mb)

1018
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1015
1015

Ozone (du)

319
316
316
316
316
313
312
312
313
315
315
317
317
317
317
317
317
318
318
320
321
322
323
323

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

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)

49
55
57
32
25
18
18
19
20
26
29
33
34
30
22
26
27
27
23
19
14
11
6
1

Low Clouds (% Sky Obscured)

10
6
0
0
0
0
0
0
0
1
1
3
6
13
20
26
27
27
23
19
13
7
4
0

Medium Clouds (% Sky Obscured)

32
38
49
17
12
12
12
15
18
22
27
30
21
10
2
5
6
8
6
4
0
0
0
0

High Clouds (% Sky Obscured)

5
10
15
0
0
0
0
0
0
0
1
1
4
6
7
6
5
5
5
5
4
2
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 (%)

5
7
11
25
19
11
6
5
0
3
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)

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

Chance of Frost

Temperature (°C)

31
29
28
25
22
21
20
19
18
18
18
17
17
18
19
20
21
23
25
26
27
29
29
29

Feels Like (°C)

30
29
28
26
23
23
22
22
21
20
18
18
19
18
18
17
21
21
22
22
24
25
31
30

Dew Point (°C)

9
11
14
14
11
9
8
8
7
7
7
7
7
8
9
9
8
8
7
7
6
6
6
6

Relative Humidity (%)

25
32
42
49
48
47
47
47
46
48
48
50
51
51
51
49
43
36
32
28
26
24
23
23

Pressure (mb)

1014
1015
1015
1015
1017
1017
1018
1018
1018
1018
1018
1019
1019
1020
1020
1021
1021
1021
1020
1020
1020
1019
1019
1019

Ozone (du)

323
322
318
313
312
310
309
309
308
308
309
309
310
310
310
310
310
309
309
310
312
313
313
314

Tuesday 11

Waning Crescent 0%

04:52

19:59

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

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)

1
2
2
2
1
1
10
21
27
27
28
28
20
9
3
3
4
5
6
6
7
17
25
34

Low Clouds (% Sky Obscured)

1
1
1
1
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
1
1

High Clouds (% Sky Obscured)

1
1
1
1
1
1
10
18
27
24
24
24
14
6
2
2
2
4
5
6
7
17
25
34

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

Chance of Frost

Temperature (°C)

29
27
25
22
21
19
17
17
16
16
16
15
15
17
18
20
22
24
26
27
28
29
29
29

Feels Like (°C)

30
31
31
31
21
20
19
19
18
18
15
14
14
15
14
13
22
22
23
24
26
27
30
30

Dew Point (°C)

6
8
10
12
10
8
6
5
5
4
4
4
4
5
5
6
5
4
3
3
3
3
4
4

Relative Humidity (%)

22
30
38
50
49
48
45
45
45
45
46
46
47
45
43
41
34
27
22
21
20
18
19
20

Pressure (mb)

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

Ozone (du)

314
312
311
309
310
310
311
311
311
311
312
312
313
313
313
313
313
314
314
315
316
316
316
315

Wednesday 12

New Moon 1%

06:20

20:21

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

Sun - Rise: 05:42, Set: 20:21, Transit: 13:00. Moon - Rise: 06:20, Set: 20:21. Civil Dark: 20:58 - 05:05. Nautical Dark: 21:45 - 04:18. Astro Dark: 22:42 - 03:22

Total Clouds (% Sky Obscured)

31
35
35
30
32
35
36
43
40

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

2
3
4
4
4
4
3
3
2

High Clouds (% Sky Obscured)

31
35
35
30
32
35
36
43
40

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
7
6
5
5
5
5
5
4

Chance of Frost

Temperature (°C)

30
28
25
23
22
20
17
17
16

Feels Like (°C)

29
29
29
29
20
19
18
18
17

Dew Point (°C)

5
6
7
9
7
5
3
3
3

Relative Humidity (%)

21
25
31
39
39
39
38
40
43

Pressure (mb)

1021
1021
1021
1021
1021
1022
1022
1022
1022

Ozone (du)

314
314
315
315
314
314
314
313
313

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

Generated: 06/08/26 17:43:10. Forecast: 06/08/26 to 12/08/26. Timezone: UTC+2.00