Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 7

Waning Crescent 26%

23:46

17:42

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

Sun - Rise: 05:34, Set: 20:30, Transit: 13:01. Moon - Rise: 23:46, Set: 17:42. Civil Dark: 21:08 - 04:57. Nautical Dark: 21:57 - 04:08. Astro Dark: 22:58 - 03:08

Total Clouds (% Sky Obscured)

52
54
60
53
50
46
32
46
54
52
57
39
13
1
0
11
38
63
39
52
54
49
33
37

Low Clouds (% Sky Obscured)

49
51
43
23
20
22
25
28
39
41
57
26
0
0
0
11
38
63
39
52
36
36
33
37

Medium Clouds (% Sky Obscured)

3
0
0
0
0
5
27
35
43
41
28
26
11
1
0
0
0
23
0
2
42
37
3
0

High Clouds (% Sky Obscured)

23
23
55
40
40
29
0
0
0
0
2
0
0
0
0
1
2
3
4
2
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)

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

Chance of Frost

Temperature (°C)

22
21
20
18
17
16
16
15
15
14
14
13
13
14
16
18
19
20
21
22
23
23
24
23

Feels Like (°C)

20
19
18
17
15
14
13
14
14
13
14
13
13
15
17
18
19
20
21
22
23
24
23
23

Dew Point (°C)

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

Relative Humidity (%)

41
47
55
60
62
62
63
70
76
80
83
84
84
76
65
59
54
47
43
40
38
36
37
38

Pressure (mb)

1019
1019
1020
1020
1021
1021
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1021
1021

Ozone (du)

318
317
314
316
316
318
324
324
323
320
319
319
320
321
320
319
317
316
316
316
315
315
315
315

Saturday 8

Waning Crescent 16%

00:41

No Set

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
12 OK
13 Good
14 Good
15 OK
16 OK
17 OK

Sun - Rise: 05:36, Set: 20:28, Transit: 13:01. Moon - Rise: 00:41, Set: No Set. Civil Dark: 21:06 - 04:58. Nautical Dark: 21:54 - 04:10. Astro Dark: 22:55 - 03:11

Total Clouds (% Sky Obscured)

12
5
0
0
0
0
0
0
0
3
4
4
14
4
4
11
1
3
20
18
12
40
40
40

Low Clouds (% Sky Obscured)

12
5
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)

0
0
0
0
0
0
0
0
0
3
4
4
12
3
2
8
1
3
20
18
12
40
40
40

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)

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

Chance of Frost

Temperature (°C)

23
22
19
17
16
15
14
14
13
13
12
12
12
14
17
20
21
23
24
26
26
27
27
27

Feels Like (°C)

22
21
19
17
16
15
14
14
13
13
13
12
12
15
19
22
23
24
25
25
26
26
24
25

Dew Point (°C)

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

Relative Humidity (%)

40
48
60
64
66
67
67
69
71
72
73
75
75
68
58
51
45
38
33
29
26
24
24
25

Pressure (mb)

1021
1021
1022
1022
1022
1022
1023
1023
1023
1023
1022
1022
1022
1022
1022
1021
1021
1021
1020
1020
1019
1018
1018
1018

Ozone (du)

316
317
316
317
318
317
316
313
309
307
306
308
307
308
306
304
303
302
300
299
299
300
301
302

Sunday 9

Waning Crescent 8%

01:54

18:43

18 OK
19 OK
20 OK
21 OK
22 Bad
23 Bad
00 OK
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 OK
15 OK
16 Good
17 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)

40
45
45
45
50
50
43
24
56
58
63
81
96
88
60
82
91
65
72
66
46
25
9
23

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
2
1
3
19

Medium Clouds (% Sky Obscured)

0
0
0
0
1
10
33
9
22
27
28
21
31
29
60
67
64
62
25
12
6
5
5
13

High Clouds (% Sky Obscured)

40
45
45
45
50
50
43
24
25
32
38
68
91
79
40
69
84
35
33
30
20
10
3
2

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
5
0
2
1
0
1
2
3
2
10

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
3
3
3
4
3
3
2
2
2
3
2
2
1
1
3
3
5
6
7
8
8
8
9

Chance of Frost

Temperature (°C)

26
25
23
20
19
19
19
18
18
18
17
17
17
19
21
23
24
25
26
27
29
29
30
30

Feels Like (°C)

24
24
21
19
17
17
17
17
18
19
18
18
17
18
21
24
23
24
25
26
28
29
29
30

Dew Point (°C)

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

Relative Humidity (%)

29
40
42
42
42
42
43
46
48
48
48
49
49
50
41
36
31
29
27
26
25
24
24
25

Pressure (mb)

1017
1017
1017
1018
1018
1018
1017
1017
1017
1017
1017
1016
1016
1016
1017
1016
1016
1017
1016
1016
1015
1014
1014
1013

Ozone (du)

302
301
302
303
304
304
305
306
308
308
310
309
309
311
312
312
314
314
316
320
322
317
315
314

Monday 10

Waning Crescent 3%

03:21

19:28

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

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)

19
22
35
39
5
15
24
68
66
74
72
48
77
57
55
53
71
74
52
51
52
60
61
54

Low Clouds (% Sky Obscured)

5
7
33
3
0
4
9
15
15
17
17
26
33
39
38
40
32
47
32
35
50
60
58
43

Medium Clouds (% Sky Obscured)

16
19
30
37
3
7
8
7
15
21
43
22
57
15
11
6
2
32
1
0
0
0
0
0

High Clouds (% Sky Obscured)

3
1
1
3
2
3
9
68
61
67
37
4
3
2
2
2
25
14
6
4
2
3
9
31

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 (%)

20
34
40
19
2
3
3
0
1
1
0
1
1
0
1
1
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
3
4
3
3
3
5
7
9
9
8
7
7
7
8
8
7
7
6
5
4
6
7
9

Chance of Frost

Temperature (°C)

29
27
24
23
22
20
20
19
19
18
16
16
16
17
18
19
20
21
21
23
24
24
23
23

Feels Like (°C)

28
29
26
24
22
23
22
21
17
16
15
15
16
15
16
17
19
19
19
22
23
23
21
20

Dew Point (°C)

10
13
13
12
11
11
11
11
11
13
13
13
12
11
11
11
11
11
11
10
10
10
11
11

Relative Humidity (%)

32
41
49
49
51
55
57
57
61
72
81
81
79
69
65
62
57
53
51
44
43
42
45
48

Pressure (mb)

1013
1013
1014
1014
1015
1015
1015
1016
1016
1017
1018
1018
1019
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

313
310
308
307
307
304
303
302
300
300
299
299
298
298
298
298
298
298
298
298
299
300
300
300

Tuesday 11

Waning Crescent 0%

04:52

19:59

18 Bad
19 Bad
20 OK
21 OK
22 OK
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
12 Good
13 Good
14 Good
15 Good
16 Good
17 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)

50
50
45
35
32
16
4
6
8
3
2
2
0
0
1
2
3
4
5
6
5
3
2
1

Low Clouds (% Sky Obscured)

9
5
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
3
4
4
3
2
1
1

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)

45
50
45
35
32
16
3
6
8
2
2
2
0
0
0
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)

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

Chance of Frost

Temperature (°C)

22
21
19
17
16
15
14
14
13
12
12
11
12
13
16
18
19
21
21
22
23
23
23
23

Feels Like (°C)

19
17
16
14
13
12
12
12
12
11
10
10
11
13
15
16
16
16
17
17
18
22
21
21

Dew Point (°C)

10
8
6
6
5
5
5
5
5
4
4
4
5
6
5
5
5
4
4
4
4
4
4
4

Relative Humidity (%)

46
43
43
46
48
48
51
55
57
58
58
59
62
60
50
44
39
33
32
30
27
28
28
28

Pressure (mb)

1021
1021
1022
1023
1023
1024
1024
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1025
1025

Ozone (du)

300
301
301
301
302
302
302
302
302
303
304
306
307
308
309
309
309
309
310
311
311
312
312
313

Wednesday 12

New Moon 1%

06:20

20:21

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 OK
11 Good
12 Good
13 Good
14 Good
15 Good
16 Good
17 Good

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)

1
0
0
0
0
0
0
0
1
1
1
2
3
3
10
16
21
15
11
4
6
8
9
8

Low Clouds (% Sky Obscured)

1
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
1
1
1
1
1
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
1
1
2
3
3
10
15
21
15
8
3
4
5
7
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)

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

Chance of Frost

Temperature (°C)

22
20
19
17
16
15
14
14
14
13
13
12
14
16
17
19
21
23
24
24
26
26
26
26

Feels Like (°C)

22
22
23
16
16
16
16
15
15
12
12
12
12
12
12
18
18
19
19
20
20
25
25
25

Dew Point (°C)

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

Relative Humidity (%)

34
40
48
50
53
54
56
56
58
58
59
61
54
50
45
38
32
26
24
22
20
21
21
22

Pressure (mb)

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

Ozone (du)

313
313
314
313
313
313
312
310
309
309
308
308
308
309
309
309
309
309
307
306
304
303
301
300

Thursday 13

Waxing Crescent 4%

07:45

20:38

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
12 Good
13 Good

Sun - Rise: 05:43, Set: 20:19, Transit: 13:00. Moon - Rise: 07:45, Set: 20:38. Civil Dark: 20:56 - 05:07. Nautical Dark: 21:43 - 04:20. Astro Dark: 22:38 - 03:25

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

3
3
2
1
1
1
0
0
0
0
0
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

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 (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

24
22
21
19
18
16
15
15
14
14
13
13
15
16
18
21
23
26
27
28

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

26
31
38
39
39
40
40
41
41
42
43
43
41
38
36
31
27
24
23
22

Pressure (mb)

1022
1022
1022
1022
1023
1023
1023
1022
1022
1022
1022
1021
1021
1021
1021
1020
1020
1019
1019
1018

Ozone (du)

299
298
298
298
298
299
299
299
299
300
301
301
301
301
300
300
301
301
300
300

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

Generated: 07/08/26 18:05:51. Forecast: 07/08/26 to 13/08/26. Timezone: UTC+2.00