Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 1

Waning Gibbous 96%

22:35

07:00

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

Sun - Rise: 04:57, Set: 21:14, Transit: 13:06. Moon - Rise: 22:35, Set: 07:00. Civil Dark: 21:58 - 04:13. Nautical Dark: 23:03 - 03:09. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

90
92
94
95
100
82
21
0
0
22
32
46
31
57
24
53
38
36
37
30
26
20
28
74

Low Clouds (% Sky Obscured)

25
10
0
10
16
10
0
0
0
22
32
46
31
41
24
29
18
5
3
0
4
0
0
4

Medium Clouds (% Sky Obscured)

83
86
94
95
64
4
3
0
0
0
0
34
0
26
0
53
38
36
37
30
26
20
28
45

High Clouds (% Sky Obscured)

90
92
94
95
100
68
21
0
0
0
2
1
3
26
2
2
2
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 (%)

29
13
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
3
3
3
3
3
3
3
3
3
5
5
6
6
6
7
7
8
8
8
9
8
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
83
86
88
89
90
90
89
81
72
65
56
48
43
39
37
35
35
35
37
43
48
52

Pressure (mb)

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

Ozone (du)

329
325
328
329
329
333
344
362
363
347
340
336
331
326
324
320
318
317
316
316
315
314
312
312

Thursday 2

Waning Gibbous 92%

22:56

08:13

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

Sun - Rise: 04:58, Set: 21:14, Transit: 13:06. Moon - Rise: 22:56, Set: 08:13. Civil Dark: 21:58 - 04:14. Nautical Dark: 23:03 - 03:10. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

91
96
99
98
99
70
88
97
54
49
42
35
31
31
29
38
27
43
44
27
5
4
3
2

Low Clouds (% Sky Obscured)

5
5
27
35
71
45
70
91
51
49
42
35
31
31
29
38
6
30
25
5
0
0
0
0

Medium Clouds (% Sky Obscured)

54
56
74
91
64
57
72
51
0
0
0
0
0
0
13
19
27
42
44
27
0
3
3
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
3
0
0
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
5
33
54
48
17
13
8
1
1
0
0
0
0
1
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
3
4
9
10
8
7
7
9
9
10
11
10
11
12
12
12
12
13
13
12
12
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
12
13
13
14
14
15
15
13
12
11
10
9
8
8
8
7
7
7
8
8
9
9
10

Relative Humidity (%)

51
53
56
59
71
78
88
86
83
77
67
61
53
48
43
41
38
36
37
38
38
41
45
53

Pressure (mb)

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

Ozone (du)

313
314
315
314
314
315
318
325
330
335
341
344
347
349
351
351
353
352
354
355
358
360
361
363

Friday 3

Waning Gibbous 85%

23:13

09:27

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

Sun - Rise: 04:59, Set: 21:14, Transit: 13:06. Moon - Rise: 23:13, Set: 09:27. Civil Dark: 21:57 - 04:15. Nautical Dark: 23:02 - 03:12. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
9
16
23
27
61
42
29
25
54
32
65
74
81
81
90
80
35
21
59
32
43
70

Low Clouds (% Sky Obscured)

0
0
9
16
23
27
50
42
29
12
47
32
36
25
42
35
25
6
0
0
0
0
7
15

Medium Clouds (% Sky Obscured)

0
0
0
0
1
0
0
0
0
0
0
0
6
27
28
33
66
67
31
20
57
28
40
54

High Clouds (% Sky Obscured)

0
0
0
0
2
2
45
18
6
25
47
14
65
66
58
63
58
36
8
1
14
10
7
39

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
8
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
17
17
17
16
15
15
12
14
14
15
15
17
17
18
19
20
20
21
21
21
21
21
21

Dew Point (°C)

10
11
11
11
11
12
12
11
11
10
10
9
8
8
8
7
7
6
6
6
5
7
9
10

Relative Humidity (%)

58
64
69
73
78
79
82
83
80
72
64
56
50
46
41
37
35
32
31
31
32
36
44
50

Pressure (mb)

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

Ozone (du)

366
365
362
357
353
350
348
346
344
343
342
341
339
338
339
343
344
344
345
346
347
347
345
345

Saturday 4

Waning Gibbous 77%

23:27

10:40

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: 05:00, Set: 21:13, Transit: 13:06. Moon - Rise: 23:27, Set: 10:40. Civil Dark: 21:57 - 04:16. Nautical Dark: 23:01 - 03:13. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
99
98
96
95
93
91
90
90
91
85
88
89
84
82
81
88
94
100
94
89
84
89
94

Low Clouds (% Sky Obscured)

22
29
36
43
38
34
32
36
44
51
50
49
48
51
55
58
63
68
73
50
28
6
16
27

Medium Clouds (% Sky Obscured)

85
98
92
74
93
87
79
74
85
77
68
76
82
78
72
68
70
70
82
82
81
78
82
86

High Clouds (% Sky Obscured)

74
70
52
42
40
35
30
4
25
17
15
4
2
5
2
20
57
78
79
51
25
30
47
63

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
3
2
4
3
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
None
None

Precipitation Probability (%)

17
34
42
38
43
48
49
36
22
6
22
28
38
41
35
23
28
46
74
85
80
75
46
28

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.3
0
0
0
0
0
0
0
0
0
0
0
0.4
0.7
0.6
0.5
0
0

Wind Speed/Direction (mph)

3
2
3
4
4
4
5
5
5
7
7
8
8
10
9
9
9
12
13
12
11
9
9
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
56
56
60
61
60
60
57
58
51
49
50
48
49
60
66
64
52
54
72
80
80
82
85

Pressure (mb)

1022
1022
1022
1022
1022
1021
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1018
1018
1018
1017
1017
1017
1018
1018

Ozone (du)

346
346
346
346
347
348
352
354
357
356
355
355
355
354
354
353
355
355
351
348
348
350
350
352

Sunday 5

Waning Gibbous 68%

23:40

11:54

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: 05:01, Set: 21:13, Transit: 13:07. Moon - Rise: 23:40, Set: 11:54. Civil Dark: 21:56 - 04:17. Nautical Dark: 23:00 - 03:14. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

95
98
97
94
84
94
99
99
98
98
98
99
99
99
90
100
99
99
98
97
96
94
95
96

Low Clouds (% Sky Obscured)

38
28
17
7
22
37
49
41
34
26
34
44
54
61
68
83
68
55
39
27
17
7
5
8

Medium Clouds (% Sky Obscured)

76
89
90
89
60
60
55
53
55
57
54
75
71
77
69
71
69
78
84
85
83
80
80
80

High Clouds (% Sky Obscured)

53
51
51
52
53
64
95
92
86
79
85
92
97
95
52
57
45
21
2
6
14
31
44
61

ISS Passover

Visibility (miles)

8
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 (%)

13
8
8
2
16
22
11
17
12
13
20
11
10
15
13
4
20
31
41
47
42
30
27
27

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

17
17
16
16
15
15
15
15
14
14
15
14
14
13
11
10
10
11
11
12
13
14
15
15

Relative Humidity (%)

86
89
88
89
89
90
90
90
89
83
80
73
68
61
51
44
46
48
51
55
59
64
68
71

Pressure (mb)

1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1017
1017
1017
1017

Ozone (du)

354
353
354
353
353
351
351
349
349
350
350
350
350
350
350
348
347
346
345
344
345
345
346
346

Monday 6

Waning Gibbous 57%

23:53

13:10

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: 05:01, Set: 21:12, Transit: 13:07. Moon - Rise: 23:53, Set: 13:10. Civil Dark: 21:55 - 04:18. Nautical Dark: 22:59 - 03:16. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

97
98
98
99
98
98
97
99
99
100
100
100
100
98
97
95
96
98
100
99
93
80
84
88

Low Clouds (% Sky Obscured)

9
25
40
50
52
55
59
54
50
48
51
56
62
55
48
45
51
58
65
62
59
56
60
64

Medium Clouds (% Sky Obscured)

80
82
84
87
88
89
90
92
95
98
97
96
96
86
77
72
68
63
58
54
53
56
53
49

High Clouds (% Sky Obscured)

76
80
84
86
71
53
30
53
77
100
100
100
100
96
92
88
91
93
95
83
52
9
35
65

ISS Passover

Visibility (miles)

9
9
9
9
9
7
5
4
5
7
9
9
9
9
9
9
9
9
9
9
9
9
9
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

22
25
29
33
43
54
57
53
51
42
49
57
55
58
59
51
46
44
37
31
22
4
25
33

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.3
0.3
0.2
0
0
0.3
0.2
0.3
0.3
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
19
19
18
19
16
16
16
16
16
16
17
17
17
17
16
15
22
20
18
19
20
20
16

Dew Point (°C)

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

Relative Humidity (%)

74
76
80
82
86
88
89
92
92
90
90
86
81
77
62
52
43
42
42
42
47
53
59
67

Pressure (mb)

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

Ozone (du)

346
346
345
344
343
343
343
343
347
350
354
356
357
359
355
351
347
345
342
340
339
339
338
339

Tuesday 7

Third Quarter 46%

00:07

14:31

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 OK
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 05:02, Set: 21:12, Transit: 13:07. Moon - Rise: 00:07, Set: 14:31. Civil Dark: 21:55 - 04:19. Nautical Dark: 22:58 - 03:17. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

92
83
75
66
59
52
51
53
46
49
47
45
43
48
53
57
61
73
73
68
64
52

Low Clouds (% Sky Obscured)

68
57
47
37
28
18
9
18
20
21
17
17
16
13
10
7
8
20
25
31
34
37

Medium Clouds (% Sky Obscured)

45
32
18
4
2
1
0
11
18
27
27
35
38
42
49
52
52
49
50
52
43
39

High Clouds (% Sky Obscured)

92
75
53
34
39
38
40
53
46
49
47
32
0
0
0
0
0
0
0
0
1
1

ISS Passover

Visibility (miles)

7
7
7
8
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

Precipitation Type

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

Precipitation Probability (%)

33
23
22
24
19
12
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

Wind Speed/Direction (mph)

9
9
10
10
13
12
12
11
11
12
12
12
12
12
12
12
12
12
11
11
10
9

Chance of Frost

Temperature (°C)

18
17
16
15
14
14
12
12
12
13
14
15
17
18
19
20
21
21
21
22
21
20

Feels Like (°C)

16
17
16
16
15
10
10
9
9
9
8
11
12
11
12
13
13
19
18
18
19
19

Dew Point (°C)

14
14
13
11
8
9
8
7
7
7
7
6
6
5
5
4
3
4
4
4
5
6

Relative Humidity (%)

74
83
79
74
70
71
73
75
70
65
62
54
49
44
39
35
31
31
31
30
34
38

Pressure (mb)

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

Ozone (du)

339
340
341
342
343
344
345
346
344
343
341
340
340
339
339
339
338
338
337
337
337
336

Forecast for Královské Vinohrady, Praha 2, Czech Republic (50.08,14.44)

Generated: 01/07/26 22:50:18. Forecast: 01/07/26 to 07/07/26. Timezone: UTC+2.00