Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 11

Waning Crescent 0%

04:52

20:21

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

Sun - Rise: 05:40, Set: 20:21, Transit: 13:01. Moon - Rise: 04:52, Set: 20:21. Civil Dark: 20:58 - 05:03. Nautical Dark: 21:45 - 04:16. Astro Dark: 22:45 - 03:20

Total Clouds (% Sky Obscured)

4
3
3
4
2
2
3
1
1
0
1
0
12
27
30
33
26
15
9
9
0
0
2
2

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
12
27
30
33
26
15
9
9
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
2
3
4
2
2
3
1
1
0
1
0
0
2
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
12
10
10
10
10
9
9
12
15
17
18
19
20
21
21
21
21
21
20
19
17
15

Dew Point (°C)

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

Relative Humidity (%)

57
56
59
64
68
71
72
74
73
67
55
49
43
39
36
33
30
29
29
30
32
40
51
56

Pressure (mb)

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

Ozone (du)

310
310
309
309
311
312
313
314
315
315
315
314
313
313
314
317
318
317
315
315
314
313
312
312

Wednesday 12

New Moon 1%

06:20

20:38

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

Sun - Rise: 05:42, Set: 20:19, Transit: 13:00. Moon - Rise: 06:20, Set: 20:38. Civil Dark: 20:56 - 05:05. Nautical Dark: 21:43 - 04:18. Astro Dark: 22:42 - 03:22

Total Clouds (% Sky Obscured)

5
15
3
4
5
5
3
12
14
63
31
16
10
6
8
2
3
0
1
18
1
1
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
2
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

4
13
2
3
5
5
3
10
11
39
22
10
10
6
8
2
3
0
1
18
1
1
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)

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

Chance of Frost

Temperature (°C)

15
14
13
12
12
11
11
11
11
13
16
19
20
21
23
24
24
25
25
24
24
22
19
17

Feels Like (°C)

14
13
11
12
11
11
11
11
10
13
16
18
19
20
21
22
23
23
23
22
21
22
19
16

Dew Point (°C)

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

Relative Humidity (%)

56
57
59
61
63
65
65
65
65
59
48
42
38
33
30
28
26
26
26
26
29
36
47
49

Pressure (mb)

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

Ozone (du)

313
313
313
312
312
311
311
310
312
312
311
311
312
310
310
310
311
312
314
314
312
310
308
308

Thursday 13

Waxing Crescent 4%

07:45

20:52

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
19 Good
20 Good
21 Good

Sun - Rise: 05:43, Set: 20:17, Transit: 13:00. Moon - Rise: 07:45, Set: 20:52. Civil Dark: 20:54 - 05:07. Nautical Dark: 21:40 - 04:20. Astro Dark: 22:38 - 03:25

Total Clouds (% Sky Obscured)

0
0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3

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
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
4
4
4
4
4
3
3
3
4
5
5
5
5
5
5
6
6
6
7
7
8
9
8

Relative Humidity (%)

49
50
51
53
54
56
55
55
55
53
43
36
31
28
27
26
25
24
25
25
27
34
41
45

Pressure (mb)

1025
1025
1025
1025
1025
1024
1024
1024
1024
1023
1023
1023
1023
1022
1022
1021
1020
1019
1019
1018
1018
1018
1018
1018

Ozone (du)

307
306
305
304
304
304
304
305
305
305
306
307
307
308
308
309
311
312
312
311
310
310
309
308

Friday 14

Waxing Crescent 10%

09:06

21:05

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

Sun - Rise: 05:45, Set: 20:15, Transit: 13:00. Moon - Rise: 09:06, Set: 21:05. Civil Dark: 20:52 - 05:08. Nautical Dark: 21:38 - 04:22. Astro Dark: 22:35 - 03:28

Total Clouds (% Sky Obscured)

45
45
44
12
4
2
1
1
1
2
2
2
2
2
2
2
2
1
0
1
2
3
4
3

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)

45
45
44
12
4
2
1
1
1
2
2
2
2
1
1
2
2
1
0
1
2
2
2
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)

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

Chance of Frost

Temperature (°C)

18
17
16
16
16
16
15
15
16
17
20
22
25
27
28
30
31
31
31
31
30
28
25
23

Feels Like (°C)

18
15
15
14
15
16
16
16
17
19
21
23
25
26
28
29
30
30
31
31
31
29
25
24

Dew Point (°C)

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

Relative Humidity (%)

46
46
47
48
49
51
51
52
53
50
40
34
29
25
22
20
18
17
17
17
19
26
29
32

Pressure (mb)

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

Ozone (du)

308
308
308
307
307
309
309
309
308
308
308
308
309
309
309
309
310
311
311
312
312
311
310
309

Saturday 15

Waxing Crescent 18%

10:23

21:19

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

Sun - Rise: 05:46, Set: 20:13, Transit: 13:00. Moon - Rise: 10:23, Set: 21:19. Civil Dark: 20:49 - 05:10. Nautical Dark: 21:35 - 04:24. Astro Dark: 22:32 - 03:31

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
1
0
1
1
13
23
32
33
36
39
54
67
81
86
91
95
96
98

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
7
11
10
7
1
1
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
5
9
20
33
44
49
47
41
37
29

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
0
1
1
12
21
30
33
32
33
34
36
41
64
80
92
94
97

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
4
10
10
15
17
16
24
26

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

Chance of Frost

Temperature (°C)

22
21
20
20
20
19
19
19
19
20
22
24
26
28
28
29
29
29
29
28
26
24
22
21

Feels Like (°C)

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

Dew Point (°C)

6
5
5
5
5
5
5
4
5
7
5
6
6
7
9
10
12
12
13
13
14
15
16
16

Relative Humidity (%)

35
36
36
38
38
38
39
38
41
41
33
31
28
26
29
32
35
36
37
38
46
57
69
74

Pressure (mb)

1012
1013
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1014
1014

Ozone (du)

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

Sunday 16

Waxing Crescent 26%

11:40

21:33

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 05:48, Set: 20:11, Transit: 13:00. Moon - Rise: 11:40, Set: 21:33. Civil Dark: 20:47 - 05:12. Nautical Dark: 21:33 - 04:26. Astro Dark: 22:29 - 03:33

Total Clouds (% Sky Obscured)

99
89
80
71
79
88
98
95
92
90
91
94
97
93
88
86
78
71
64
68
68
69
79
90

Low Clouds (% Sky Obscured)

1
2
3
4
11
16
26
25
31
27
23
22
19
16
16
16
35
52
64
57
48
37
29
20

Medium Clouds (% Sky Obscured)

24
38
49
57
54
53
51
44
34
25
21
20
22
17
12
8
8
7
7
11
13
17
24
34

High Clouds (% Sky Obscured)

98
89
76
62
65
63
65
65
65
60
67
74
90
85
83
81
57
31
5
23
41
59
73
86

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

24
30
27
24
26
21
15
27
27
21
25
23
19
29
33
32
37
38
35
57
69
77
72
69

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.4
0.4
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
19
18
18
18
17
17
16
17
18
19
20
22
23
24
25
27
26
26
25
24
23
21
21

Feels Like (°C)

19
19
19
18
17
17
17
17
17
17
16
20
21
21
22
23
24
29
28
28
28
28
27
21

Dew Point (°C)

16
16
16
16
15
15
15
15
15
15
15
15
15
15
15
15
15
16
17
18
19
19
20
19

Relative Humidity (%)

81
86
85
85
85
88
89
90
86
81
78
70
64
58
55
52
48
53
58
64
72
80
91
92

Pressure (mb)

1014
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1013
1013
1012
1011
1011
1010
1009
1009
1008
1008
1008
1008

Ozone (du)

309
309
309
309
308
308
308
309
309
309
310
312
314
315
318
320
322
321
319
318
318
318
317
319

Monday 17

Waxing Crescent 36%

12:55

21:51

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: 05:49, Set: 20:09, Transit: 12:59. Moon - Rise: 12:55, Set: 21:51. Civil Dark: 20:45 - 05:14. Nautical Dark: 21:30 - 04:28. Astro Dark: 22:26 - 03:36

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
99
97
96
94
95
98
100
100
100
100

Low Clouds (% Sky Obscured)

12
15
17
19
23
24
25
38
51
61
70
77
86
84
82
81

Medium Clouds (% Sky Obscured)

43
47
51
52
51
48
45
55
60
69
69
72
69
70
70
73

High Clouds (% Sky Obscured)

100
100
100
100
100
99
99
96
93
87
86
86
86
76
67
53

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

69
61
58
59
50
41
38
41
41
40
40
39
37
56
68
75

Precipitation Amount (mm)

0.5
0.3
0.3
0.3
0.2
0
0
0
0
0
0
0
0
0
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
20
19
18
18
17
17
16
16
17
17
18
18
19
19
19

Feels Like (°C)

21
21
21
21
21
17
17
16
16
17
17
17
18
19
18
17

Dew Point (°C)

18
18
17
16
15
15
15
14
15
16
16
17
17
18
17
16

Relative Humidity (%)

91
92
89
88
86
88
87
89
90
92
93
92
92
91
86
84

Pressure (mb)

1008
1008
1007
1007
1007
1007
1006
1006
1006
1007
1007
1007
1007
1007
1007
1008

Ozone (du)

321
322
321
319
318
318
319
319
321
323
325
327
330
332
329
327

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

Generated: 11/08/26 22:04:25. Forecast: 11/08/26 to 17/08/26. Timezone: UTC+2.00