Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 9

Waning Crescent 8%

01:54

No Set

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

Sun - Rise: 05:37, Set: 20:26, Transit: 13:01. Moon - Rise: 01:54, Set: No Set. Civil Dark: 21:04 - 05:00. Nautical Dark: 21:52 - 04:12. Astro Dark: 22:51 - 03:14

Total Clouds (% Sky Obscured)

53
70
79
56
53
44
64
75
84
100
100
94
57
46
38
2
2
2
3
40
58
29
53
92

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
8
9
1
0
0
0
0
0
0
6
1
3
6

Medium Clouds (% Sky Obscured)

0
0
27
55
46
44
57
52
28
54
51
62
57
36
11
1
2
2
3
38
58
25
48
91

High Clouds (% Sky Obscured)

53
70
71
9
21
6
11
49
71
100
99
90
53
45
36
1
0
0
0
2
1
2
0
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
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
Very Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
9
10
5
3
3
0
0
0
0
0
9
40
28
25
12

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0

Wind Speed/Direction (mph)

4
3
4
4
3
3
2
2
1
2
1
3
2
2
4
6
7
8
9
10
11
8
10
9

Chance of Frost

Temperature (°C)

26
23
20
19
18
18
18
18
18
18
18
18
19
20
22
24
26
28
30
31
31
29
31
28

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

45
50
51
52
52
52
52
50
50
49
48
49
47
49
45
45
43
37
32
30
30
43
33
47

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1013
1013
1012
1012
1012

Ozone (du)

302
303
304
306
306
307
309
308
308
309
310
313
317
317
319
322
322
319
316
314
313
311
309
307

Monday 10

Waning Crescent 3%

03:21

19:28

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

63
56
23
25
34
32
43
35
37
50
43
97
88
71
75
80
61
50
74
74
70
22
1
1

Low Clouds (% Sky Obscured)

1
0
0
0
23
9
0
0
0
0
0
15
10
28
35
37
29
28
35
33
34
22
0
0

Medium Clouds (% Sky Obscured)

47
56
23
20
21
25
26
35
33
30
30
34
0
0
0
2
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

30
0
1
1
0
0
24
10
15
36
23
94
88
68
65
57
38
20
53
62
50
0
1
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
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 (%)

6
3
2
0
0
0
0
0
0
0
0
0
2
2
1
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)

11
5
3
5
7
7
7
7
6
5
4
4
3
4
2
2
2
3
3
4
5
6
8
9

Chance of Frost

Temperature (°C)

26
24
21
20
19
18
18
17
16
15
15
14
16
17
19
20
22
22
23
24
24
24
23
22

Feels Like (°C)

24
24
22
22
21
20
19
18
17
17
16
15
16
17
19
20
21
21
22
21
20
20
22
20

Dew Point (°C)

17
17
16
15
14
14
14
15
15
14
14
13
13
12
12
11
8
7
6
6
6
7
7
7

Relative Humidity (%)

57
64
70
72
73
77
81
87
92
95
93
92
83
73
63
53
42
36
32
31
31
33
35
38

Pressure (mb)

1013
1013
1014
1015
1016
1017
1017
1018
1019
1019
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022

Ozone (du)

305
304
304
304
303
304
304
304
305
306
306
306
305
305
306
307
309
310
311
312
312
312
312
311

Tuesday 11

Waning Crescent 0%

04:52

19:59

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 Good
16 Good
17 Good
18 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)

2
1
2
3
18
9
3
2
2
2
1
1
2
4
6
4
15
20
18
15
8
3
2
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
19
16
10
5
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)

2
1
2
3
16
9
3
2
2
2
1
1
2
4
6
4
4
3
4
5
4
3
2
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
1
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
5
4
4
6
6
6
6
6
7
7
8
8
8

Chance of Frost

Temperature (°C)

20
18
16
15
14
13
13
13
12
11
11
10
12
15
17
18
20
21
22
22
23
23
23
22

Feels Like (°C)

19
17
15
14
13
13
12
12
11
11
10
9
11
15
16
17
18
20
20
22
22
21
21
20

Dew Point (°C)

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

Relative Humidity (%)

45
53
58
61
62
61
59
59
60
60
61
62
59
50
43
40
36
34
31
30
29
29
30
33

Pressure (mb)

1022
1023
1024
1024
1025
1025
1025
1026
1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1025
1025
1025

Ozone (du)

310
309
309
309
309
310
310
311
311
312
313
313
312
311
311
312
312
312
312
312
312
312
312
312

Wednesday 12

New Moon 1%

06:20

20:21

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
14 Good
15 Good
16 Good
17 Good
18 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)

0
0
0
0
6
12
18
13
7
0
1
3
4
3
1
2
2
1
2
2
3
2
2
2

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)

0
0
0
0
3
8
10
7
3
0
1
3
4
3
1
1
1
1
2
2
3
2
2
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
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
6
5
5
5
5
5
5
5
5
5
4
4
4
5
7
8
8
8
8
8
8
9
8

Chance of Frost

Temperature (°C)

20
18
16
15
14
13
13
12
12
12
12
12
14
17
19
20
22
22
23
24
24
24
24
23

Feels Like (°C)

19
17
15
14
13
13
12
12
11
11
11
11
14
16
17
19
20
21
21
22
23
23
22
22

Dew Point (°C)

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

Relative Humidity (%)

40
51
54
52
53
56
60
61
61
62
63
63
60
49
42
37
34
31
30
29
28
28
29
31

Pressure (mb)

1026
1026
1027
1027
1027
1028
1028
1028
1028
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1025
1025
1024
1024

Ozone (du)

311
311
311
311
311
311
309
308
308
307
306
306
307
307
307
308
309
309
309
308
308
307
306
305

Thursday 13

Waxing Crescent 4%

07:45

20:38

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
14 Good
15 Good
16 Good
17 Good
18 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)

2
2
1
0
0
0
0
0
0
0
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
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)

2
1
1
0
0
0
0
0
0
0
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
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
6
5
5
5
5
5
5
5
5
5
4
4
4
4
5
6
6
6
6
7
7
7
7

Chance of Frost

Temperature (°C)

22
19
18
16
15
14
14
13
13
12
12
13
15
17
19
21
23
24
25
26
26
26
26
25

Feels Like (°C)

22
19
17
16
14
14
13
13
12
12
12
13
15
17
18
19
20
20
22
22
26
25
25
25

Dew Point (°C)

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

Relative Humidity (%)

40
49
49
50
52
51
55
56
57
57
58
58
55
46
41
36
32
30
29
28
28
28
28
33

Pressure (mb)

1024
1024
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1023
1023
1023
1023
1022
1022
1021
1021
1020
1020
1019
1019

Ozone (du)

305
305
304
305
305
305
305
305
304
304
304
304
304
304
304
305
305
306
306
307
307
307
308
307

Friday 14

Waxing Crescent 10%

09:06

20:52

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
14 OK
15 OK
16 OK
17 OK
18 Bad

Sun - Rise: 05:45, Set: 20:17, Transit: 13:00. Moon - Rise: 09:06, Set: 20:52. Civil Dark: 20:54 - 05:08. Nautical Dark: 21:40 - 04:22. Astro Dark: 22:35 - 03:28

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
3
3
3
22
48

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
1
2
2
15
32

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
2
1
0
22
48

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
1

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

Chance of Frost

Temperature (°C)

23
21
19
18
16
15
14
14
14
13
13
15
17
19
21
24
26
28
29
30
31
31
31
30

Feels Like (°C)

26
26
18
18
18
17
16
15
13
13
14
14
14
14
20
21
22
23
24
26
32
32
31
32

Dew Point (°C)

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

Relative Humidity (%)

39
46
46
47
48
50
50
51
52
52
54
50
48
44
38
32
28
25
24
22
21
20
20
26

Pressure (mb)

1019
1018
1019
1019
1019
1019
1019
1019
1018
1018
1017
1017
1017
1017
1016
1016
1016
1015
1015
1014
1013
1013
1012
1012

Ozone (du)

307
307
307
308
308
308
309
309
309
308
308
308
307
307
307
308
308
308
308
309
308
308
308
308

Saturday 15

Waxing Crescent 18%

10:23

21:05

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
12 Bad
13 Bad

Sun - Rise: 05:46, Set: 20:15, Transit: 13:00. Moon - Rise: 10:23, Set: 21:05. Civil Dark: 20:52 - 05:10. Nautical Dark: 21:38 - 04:24. Astro Dark: 22:32 - 03:31

Total Clouds (% Sky Obscured)

75
70
65
56
56
61
60
50
50
50
55
50
50
60
60
60
60
56
61

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
8
15
25
24
24
25
38
49
60

Medium Clouds (% Sky Obscured)

46
43
36
29
28
27
28
17
9
0
9
17
23
19
12
5
14
23
35

High Clouds (% Sky Obscured)

75
68
57
39
46
47
35
25
30
30
35
35
45
50
50
50
50
51
46

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

1
6
3
0
4
8
14
21
32
40
37
28
7
15
16
11
38
55
52

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

33
34
24
23
23
23
23
22
20
20
19
18
18
18
22
22
22
22
22

Dew Point (°C)

10
13
11
10
9
9
9
9
8
7
6
6
6
6
6
6
5
4
3

Relative Humidity (%)

33
43
44
47
49
49
48
48
47
46
45
42
39
38
33
30
27
23
21

Pressure (mb)

1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1012
1013
1013
1013
1013
1012
1012
1012
1011

Ozone (du)

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

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

Generated: 09/08/26 19:36:00. Forecast: 09/08/26 to 15/08/26. Timezone: UTC+2.00