Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 19

Waxing Crescent 46%

14:10

22:13

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:51, Set: 20:07, Transit: 12:59. Moon - Rise: 14:10, Set: 22:13. Civil Dark: 20:43 - 05:15. Nautical Dark: 21:28 - 04:32. Astro Dark: 22:20 - 03:41

Total Clouds (% Sky Obscured)

99
100
100
99
99
96
96
98
93
97
85
95
100
89
88
74
60
56
54
64
72
70
73
70

Low Clouds (% Sky Obscured)

80
79
74
75
62
62
59
57
78
81
46
36
35
76
82
69
60
56
54
64
72
67
67
35

Medium Clouds (% Sky Obscured)

29
87
90
95
88
75
69
88
88
88
71
78
67
68
68
63
41
26
35
44
34
49
55
47

High Clouds (% Sky Obscured)

75
100
53
56
47
41
30
7
36
1
0
1
50
0
14
0
0
0
0
1
1
60
60
60

ISS Passover

Visibility (miles)

0
6
7
7
9
9
9
7
9
5
9
9
9
9
9
9
9
9
7
7
8
7
5
9

Fog (%)

86
99
68
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
Very Light Rain
Light Rain
Light Rain
Light Rain
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain

Precipitation Probability (%)

3
0
2
4
4
15
24
23
35
26
14
15
56
86
95
87
38
30
54
56
75
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.9
0.9
0
0
0.3
0.4
0.5
1.2
1.4
3.8

Wind Speed/Direction (mph)

4
4
5
6
8
11
11
11
10
12
10
10
9
8
9
7
4
4
4
3
1
1
1
1

Chance of Frost

Temperature (°C)

14
14
15
15
16
18
19
20
21
21
20
22
22
22
20
19
18
17
17
16
16
16
16
16

Feels Like (°C)

14
13
14
15
15
15
17
18
19
18
19
21
21
21
20
18
20
20
18
19
18
19
19
19

Dew Point (°C)

13
14
14
14
14
13
13
12
12
14
15
13
14
14
13
12
13
14
15
15
15
15
15
15

Relative Humidity (%)

96
96
95
93
90
74
67
59
57
66
74
55
59
60
61
65
74
79
86
92
93
93
93
93

Pressure (mb)

1009
1009
1010
1010
1010
1010
1010
1010
1009
1009
1008
1008
1007
1007
1007
1007
1008
1008
1008
1008
1007
1007
1007
1007

Ozone (du)

314
311
310
311
309
308
308
306
304
304
305
307
308
308
307
306
306
307
307
308
310
311
312
313

Thursday 20

First Quarter 56%

15:21

22:42

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:52, Set: 20:05, Transit: 12:59. Moon - Rise: 15:21, Set: 22:42. Civil Dark: 20:41 - 05:17. Nautical Dark: 21:25 - 04:34. Astro Dark: 22:16 - 03:44

Total Clouds (% Sky Obscured)

73
100
97
98
97
70
71
66
63
74
95
87
100
100
99
100
100
100
93
99
99
100
100
99

Low Clouds (% Sky Obscured)

60
66
80
79
86
48
37
42
43
36
38
42
35
48
44
92
74
89
72
59
60
65
68
73

Medium Clouds (% Sky Obscured)

4
50
44
24
19
21
23
22
24
18
28
36
40
98
63
100
93
47
2
22
23
96
100
95

High Clouds (% Sky Obscured)

60
100
66
90
39
18
28
20
15
51
89
76
100
98
94
100
87
86
82
95
95
100
100
96

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
4
3
3
4
4
4
4
4

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
35

Precipitation Type

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

Precipitation Probability (%)

19
6
10
5
5
4
2
0
0
0
1
4
21
33
80
91
56
36
13
2
3
0
1
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.7
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
3
3
6
10
11
11
12
13
13
13
12
12
10
8
9
7
5
3
3
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
17
16
17
17
18
19
20
21
22
21
22
22
22
21
18
19
18
19
19
18
18
18
18

Dew Point (°C)

15
15
15
15
16
15
13
12
12
13
12
12
13
13
13
16
18
18
18
17
17
17
16
17

Relative Humidity (%)

93
93
93
88
83
74
60
51
48
47
45
43
45
48
54
77
98
98
98
96
98
98
96
98

Pressure (mb)

1007
1007
1008
1009
1009
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1010
1010
1011
1010
1010
1010
1010
1010
1010

Ozone (du)

314
313
314
314
316
316
316
316
317
317
316
315
314
312
311
307
310
313
311
309
310
311
310
310

Friday 21

Waxing Gibbous 65%

16:26

23:21

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 OK

Sun - Rise: 05:54, Set: 20:03, Transit: 12:59. Moon - Rise: 16:26, Set: 23:21. Civil Dark: 20:39 - 05:19. Nautical Dark: 21:23 - 04:36. Astro Dark: 22:13 - 03:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
92
100
78
76
67
90
85
100
100
100
100
100
100
100
100
95
75
56
37

Low Clouds (% Sky Obscured)

75
76
67
79
77
65
36
18
17
16
16
4
43
79
64
65
59
68
65
65
77
68
56
37

Medium Clouds (% Sky Obscured)

98
100
99
98
78
72
46
52
42
24
41
48
60
60
60
65
70
100
100
100
88
71
54
37

High Clouds (% Sky Obscured)

100
100
100
100
100
63
100
24
56
45
67
72
100
100
100
100
100
100
100
100
70
56
8
3

ISS Passover

Visibility (miles)

4
4
4
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
9
2
2
2
9

Fog (%)

99
95
94
77
20
12
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
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None

Precipitation Probability (%)

11
15
24
16
12
7
4
6
0
0
0
1
3
45
95
95
95
95
95
89
95
95
53
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1.4
1.9
2.6
1.9
0.5
0.5
1.1
1.1
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
96
92
86
85
80
62
46
41
38
36
37
49
58
59
57
56
66
66
87
95
95
95

Pressure (mb)

1010
1010
1010
1011
1011
1011
1011
1011
1010
1010
1009
1009
1009
1009
1009
1010
1011
1011
1012
1011
1013
1013
1014
1014

Ozone (du)

309
308
308
309
308
307
308
308
310
310
308
306
304
303
302
302
302
301
299
298
301
302
303
307

Saturday 22

Waxing Gibbous 74%

17:21

00:12

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

Sun - Rise: 05:55, Set: 20:01, Transit: 12:58. Moon - Rise: 17:21, Set: 00:12. Civil Dark: 20:37 - 05:20. Nautical Dark: 21:21 - 04:38. Astro Dark: 22:10 - 03:49

Total Clouds (% Sky Obscured)

45
53
57
59
59
52
38
27
25
21
19
12
15
39
22
41
67
96
97
99
100
100
100
96

Low Clouds (% Sky Obscured)

45
53
57
49
57
48
28
18
17
12
8
5
7
13
19
20
2
26
49
50
50
14
2
0

Medium Clouds (% Sky Obscured)

7
10
11
26
9
2
2
0
0
0
1
2
4
3
7
17
46
73
81
83
100
96
92
84

High Clouds (% Sky Obscured)

40
7
4
23
24
7
7
3
4
5
9
3
2
39
3
16
50
66
67
93
99
71
63
58

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 (%)

14
2
2
0
0
0
1
3
0
0
0
0
0
0
0
0
0
0
1
2
2
10
12
13

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

Chance of Frost

Temperature (°C)

15
15
15
15
16
17
19
20
21
22
23
23
23
22
20
19
18
17
17
17
16
16
16
15

Feels Like (°C)

14
14
14
15
16
17
19
20
21
21
22
21
22
22
20
18
17
16
15
16
16
16
15
15

Dew Point (°C)

13
14
14
13
13
13
12
11
9
9
8
7
7
9
11
11
11
10
9
8
8
7
7
8

Relative Humidity (%)

92
95
95
89
83
74
64
53
46
41
38
36
36
41
56
61
63
65
59
56
56
56
56
62

Pressure (mb)

1014
1015
1015
1016
1016
1016
1017
1016
1016
1016
1016
1016
1016
1017
1017
1017
1018
1018
1018
1018
1019
1019
1019
1018

Ozone (du)

308
307
308
308
307
306
305
304
303
303
302
302
302
302
302
302
303
304
304
304
303
303
305
305

Sunday 23

Waxing Gibbous 83%

18:05

01:14

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:57, Set: 19:59, Transit: 12:58. Moon - Rise: 18:05, Set: 01:14. Civil Dark: 20:34 - 05:22. Nautical Dark: 21:18 - 04:40. Astro Dark: 22:07 - 03:51

Total Clouds (% Sky Obscured)

98
97
96
97
97
98
100
100
100
100
100
100
100
100
100
98
95
92
92
93
94
96
98
100

Low Clouds (% Sky Obscured)

0
0
0
0
1
4
12
34
84
68
81
84
80
69
54
8
12
16
14
11
7
15
23
30

Medium Clouds (% Sky Obscured)

88
90
93
95
96
97
99
53
99
87
99
98
93
91
91
80
68
58
68
78
89
93
97
100

High Clouds (% Sky Obscured)

46
41
28
26
18
11
44
89
100
100
55
100
99
100
100
96
90
85
87
84
84
89
94
99

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

Precipitation Probability (%)

11
6
1
10
15
23
42
53
64
55
45
23
40
48
53
6
4
2
4
4
0
5
6
6

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.4
0.3
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
15
15
15
17
18
20
19
19
18
19
18
18
17
16
16
16
16
16
16
15
15
14
14

Dew Point (°C)

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

Relative Humidity (%)

66
61
65
57
52
48
47
43
40
45
44
56
62
62
63
67
71
74
78
75
73
72
70
69

Pressure (mb)

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

Ozone (du)

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

Monday 24

Waxing Gibbous 89%

18:38

02:24

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:58, Set: 19:57, Transit: 12:58. Moon - Rise: 18:38, Set: 02:24. Civil Dark: 20:32 - 05:24. Nautical Dark: 21:16 - 04:42. Astro Dark: 22:04 - 03:54

Total Clouds (% Sky Obscured)

100
100
100
91
80
68
65
62
59
67
74
79
76
68
62
64
60
61
61
56
61
67
73
79

Low Clouds (% Sky Obscured)

38
40
43
41
39
35
29
28
28
40
52
64
56
51
42
35
32
24
19
15
11
16
26
33

Medium Clouds (% Sky Obscured)

96
93
89
78
66
54
45
38
40
46
52
54
51
43
37
31
28
30
26
23
22
31
38
45

High Clouds (% Sky Obscured)

92
82
70
53
35
19
19
24
28
23
17
5
18
32
49
48
50
41
45
49
50
63
72
79

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
Light Rain
None
None
None

Precipitation Probability (%)

7
7
4
9
10
0
0
0
0
1
1
0
16
25
32
26
21
9
15
27
42
36
26
14

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
14
13
15
15
15
15
16
17
20
20
20
20
20
20
15
15
16
15
15
16
13
13

Dew Point (°C)

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

Relative Humidity (%)

69
67
64
62
55
48
42
39
38
35
36
38
39
44
50
58
59
59
61
62
64
66
69
73

Pressure (mb)

1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1017
1017
1017
1016
1016
1016
1015
1015
1014
1013
1013
1012
1011

Ozone (du)

309
310
310
310
312
313
315
315
315
315
314
314
313
312
310
309
308
308
307
307
307
307
306
306

Tuesday 25

Waxing Gibbous 95%

19:02

03:38

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
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 06:00, Set: 19:55, Transit: 12:58. Moon - Rise: 19:02, Set: 03:38. Civil Dark: 20:30 - 05:25. Nautical Dark: 21:13 - 04:44. Astro Dark: 22:01 - 03:56

Total Clouds (% Sky Obscured)

76
81
82
80
78
71
74
83
91
92
96
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

44
44
50
48
47
45
57
69
81
84
86
88
89
90
90
85
81
80
80
78
76

Medium Clouds (% Sky Obscured)

43
45
42
46
45
44
34
24
13
41
68
95
96
96
97
98
99
100
100
100
100

High Clouds (% Sky Obscured)

76
81
82
80
78
71
68
61
47
58
79
96
97
99
100
100
100
100
94
88
80

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

Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

77
95
95
95
95
95
95
95
95
95
80
24
19
14
6
18
21
15
20
20
18

Precipitation Amount (mm)

0.6
2.1
5.2
1.8
1.6
2.3
2.2
2.1
1.7
1
0.5
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
12
13
14
14
14
14
9
9
13
11
9
7
6
5
6
6
6
7
7
7

Chance of Frost

Temperature (°C)

14
14
15
16
17
18
19
19
19
18
18
18
18
18
18
17
17
16
15
15
15

Feels Like (°C)

13
12
11
11
14
14
13
14
15
16
14
15
16
16
16
16
15
15
16
15
15

Dew Point (°C)

10
10
10
10
8
7
6
6
7
7
9
10
12
12
12
12
12
12
12
12
12

Relative Humidity (%)

78
74
70
68
58
50
42
43
45
46
53
60
67
68
70
72
74
78
82
83
86

Pressure (mb)

1010
1010
1009
1008
1008
1007
1007
1007
1007
1007
1007
1008
1008
1009
1009
1009
1010
1011
1012
1012
1012

Ozone (du)

305
304
302
300
300
300
300
300
300
301
302
303
304
306
308
310
310
309
309
310
311

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

Generated: 19/08/26 05:42:29. Forecast: 19/08/26 to 25/08/26. Timezone: UTC+2.00