Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 5

Waning Gibbous 68%

23:39

10:40

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

Sun - Rise: 05:00, Set: 21:13, Transit: 13:06. Moon - Rise: 23:39, Set: 10:40. Civil Dark: 21:57 - 04:16. Nautical Dark: 23:00 - 03:13. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

95
94
91
82
82
94
87
100
100
100
100
98
100
86
82
44
60
99
100
100
96
99
96
98

Low Clouds (% Sky Obscured)

47
10
47
71
68
55
71
67
65
48
37
21
37
21
0
9
25
7
19
26
47
66
64
66

Medium Clouds (% Sky Obscured)

91
89
81
63
52
57
67
58
18
32
46
41
39
38
51
41
53
41
49
51
86
92
85
90

High Clouds (% Sky Obscured)

21
3
4
4
3
3
4
98
72
100
100
96
100
67
54
6
28
97
100
100
84
65
35
60

ISS Passover

Visibility (miles)

9
9
7
9
8
7
9
4
6
5
7
9
9
9
9
9
9
9
9
9
8
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
None

Precipitation Probability (%)

3
14
4
43
32
32
48
56
50
37
33
27
30
16
2
1
3
0
2
18
25
33
68
46

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0

Wind Speed/Direction (mph)

3
4
7
12
12
14
13
14
13
13
13
14
12
11
8
6
6
6
7
6
6
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

15
16
16
14
12
12
12
12
12
15
15
15
14
16
16
16
16
16
16
16
16
16
16
15

Relative Humidity (%)

92
92
86
76
66
60
60
59
59
63
59
60
61
67
73
80
84
86
86
89
92
92
93
92

Pressure (mb)

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

Ozone (du)

359
360
360
360
359
357
359
359
359
359
360
361
359
360
361
357
357
355
354
354
353
354
352
352

Monday 6

Waning Gibbous 65%

23:52

11:54

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
05 Bad

Sun - Rise: 05:01, Set: 21:13, Transit: 13:06. Moon - Rise: 23:52, Set: 11:54. Civil Dark: 21:56 - 04:17. Nautical Dark: 22:59 - 03:15. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
98
99
100
100
100
96
100
100
99
100
100
95
97
88
63
97
95
100
100
100

Low Clouds (% Sky Obscured)

61
80
95
97
82
44
81
53
42
22
24
38
25
45
42
31
33
33
31
42
43
47
59
78

Medium Clouds (% Sky Obscured)

98
56
57
90
81
87
52
79
92
92
100
100
97
100
100
51
90
57
61
67
70
69
83
84

High Clouds (% Sky Obscured)

69
98
98
94
69
91
100
97
100
62
100
100
86
53
6
58
50
54
50
93
85
100
100
93

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
4
4
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
Light Rain
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
Light Rain
Light Rain
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

25
40
53
69
37
10
5
33
51
60
40
55
59
95
95
45
2
0
1
38
66
65
74
59

Precipitation Amount (mm)

0
0
0
0.4
0
0
0
0
0.2
0.3
0
0
0
1.1
1.3
0
0
0
0
0
0.4
0.4
0.6
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

15
15
14
12
12
12
11
10
12
17
17
18
18
18
18
17
17
16
16
16
16
16
16
16

Relative Humidity (%)

87
86
82
72
71
70
58
54
59
77
84
88
88
88
91
92
92
90
92
92
92
93
93
92

Pressure (mb)

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

Ozone (du)

351
349
347
347
348
348
347
347
348
347
348
352
352
352
353
353
351
347
347
345
346
347
347
347

Tuesday 7

Third Quarter 57%

00:06

13:10

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
05 Bad

Sun - Rise: 05:02, Set: 21:12, Transit: 13:06. Moon - Rise: 00:06, Set: 13:10. Civil Dark: 21:56 - 04:18. Nautical Dark: 22:58 - 03:16. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
98
97
73
98
93
98
100
100
99
100
99
100
100
100
100
100
100
96
93
90
93

Low Clouds (% Sky Obscured)

83
85
50
48
63
46
63
74
25
43
19
14
28
0
23
45
30
39
80
91
87
79
70
46

Medium Clouds (% Sky Obscured)

100
98
97
57
74
64
67
76
48
63
58
58
70
69
73
93
94
88
94
99
85
72
58
52

High Clouds (% Sky Obscured)

99
100
98
79
34
36
76
54
94
95
98
92
100
97
100
100
100
100
100
100
94
87
81
87

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

Precipitation Probability (%)

28
38
47
19
7
7
19
8
2
2
0
2
0
5
35
63
72
82
76
60
25
16
6
10

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
8
9
9
12
12
13
13
13
12
9
6
6
6
4
3
3
6
9
10
11
11
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
86
81
82
67
62
53
47
43
41
41
50
49
54
61
65
63
64
63
58
58
60
61
64

Pressure (mb)

1015
1015
1015
1015
1015
1015
1014
1014
1013
1013
1012
1012
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

346
346
348
349
349
353
349
343
338
336
334
332
330
330
329
329
329
327
328
328
329
331
332
333

Wednesday 8

Waning Crescent 46%

00:24

14:30

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 OK
20 OK
21 OK
22 Good
23 Good
00 OK
01 OK
02 OK
03 OK
04 Bad
05 Bad

Sun - Rise: 05:03, Set: 21:11, Transit: 13:07. Moon - Rise: 00:24, Set: 14:30. Civil Dark: 21:55 - 04:20. Nautical Dark: 22:57 - 03:18. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

96
100
83
66
49
41
28
22
47
59
58
42
37
31
22
20
14
14
23
29
32
37
43
41

Low Clouds (% Sky Obscured)

23
0
0
0
0
1
2
3
13
22
32
30
27
24
16
8
0
0
0
0
0
0
0
1

Medium Clouds (% Sky Obscured)

50
18
4
3
3
0
0
2
1
3
2
2
3
2
2
11
2
10
18
26
32
37
43
34

High Clouds (% Sky Obscured)

92
100
83
66
33
39
19
3
8
16
12
10
14
10
7
4
1
1
2
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
8
8
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
16
17
13
7
15
27
38
34
35
28
17
13
2
0
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)

12
13
14
15
15
16
14
16
17
16
15
14
14
12
10
7
5
5
5
6
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
68
67
65
68
66
68
57
56
54
60
60
60
63
68
77
79
79
85
87
89
89
92
92

Pressure (mb)

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

Ozone (du)

331
332
332
332
332
331
331
331
331
330
329
328
327
327
327
327
327
329
329
328
327
326
326
326

Thursday 9

Waning Crescent 34%

00:46

15:55

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

Sun - Rise: 05:04, Set: 21:11, Transit: 13:07. Moon - Rise: 00:46, Set: 15:55. Civil Dark: 21:54 - 04:21. Nautical Dark: 22:56 - 03:19. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

28
25
41
47
52
58
76
66
56
52
55
62
49
46
0
0
0
0
0
0
2
4
5
11

Low Clouds (% Sky Obscured)

0
2
10
12
14
34
60
66
56
52
40
29
13
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

25
13
16
18
16
25
33
44
49
52
55
61
49
46
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
4

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
1
2
1
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
7
8
9
9
10
10
9
10
11
11
11
10
9
8
6
5
4
4
4
4
4
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
82
76
71
71
66
59
54
47
46
44
43
49
53
61
65
69
73
76
78
81
82
83
86

Pressure (mb)

1017
1017
1017
1017
1016
1016
1016
1015
1015
1014
1014
1014
1014
1014
1014
1015
1015
1016
1016
1016
1016
1016
1017
1017

Ozone (du)

327
327
327
326
327
328
329
328
328
326
325
325
326
328
328
330
331
333
334
336
337
337
337
337

Friday 10

Waning Crescent 24%

01:18

17:23

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

Sun - Rise: 05:05, Set: 21:10, Transit: 13:07. Moon - Rise: 01:18, Set: 17:23. Civil Dark: 21:53 - 04:22. Nautical Dark: 22:54 - 03:21. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

19
25
24
25
24
28
31
36
35
33
26
18
11
3
3
2
0
16
32
48
46
51
57
62

Low Clouds (% Sky Obscured)

0
0
0
0
0
9
20
30
22
10
0
0
0
0
0
0
0
0
0
0
0
0
0
2

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
9
16
24
14
5
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

6
8
11
18
24
24
21
16
12
8
3
2
2
3
2
1
0
16
32
48
46
51
57
57

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)

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

Chance of Frost

Temperature (°C)

15
16
18
19
21
23
24
25
26
27
27
27
26
25
24
22
20
19
18
18
17
16
15
15

Feels Like (°C)

16
16
16
20
20
21
21
22
22
28
27
27
28
28
29
23
23
23
22
22
20
16
16
16

Dew Point (°C)

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

Relative Humidity (%)

80
75
72
66
60
55
49
45
40
38
36
35
41
48
57
58
60
61
62
63
65
66
68
71

Pressure (mb)

1017
1017
1018
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1018

Ozone (du)

337
337
337
338
338
339
340
340
341
341
341
342
342
343
344
343
343
342
342
343
343
343
343
343

Saturday 11

Waning Crescent 14%

02:04

18:48

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

Sun - Rise: 05:06, Set: 21:09, Transit: 13:07. Moon - Rise: 02:04, Set: 18:48. Civil Dark: 21:52 - 04:23. Nautical Dark: 22:53 - 03:23. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

56
50
45
39
30
24
22
25
33
25
18
24
24
24
16
8
0
4
7
10

Low Clouds (% Sky Obscured)

4
7
4
2
0
12
22
25
33
25
18
24
20
16
10
5
0
0
0
0

Medium Clouds (% Sky Obscured)

1
1
1
1
2
4
6
10
6
3
0
5
10
16
10
5
0
3
6
9

High Clouds (% Sky Obscured)

51
42
36
31
24
15
8
1
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
1
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
14
21
22
22
23
23
24
29
29
28
29
30
31
24
24
24
24
23

Dew Point (°C)

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

Relative Humidity (%)

66
63
59
55
50
46
42
40
38
38
38
38
43
49
57
57
59
60
63
68

Pressure (mb)

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

Ozone (du)

344
346
347
347
347
347
346
346
345
344
343
342
341
341
341
340
339
338
340
342

Forecast for Letňany, Praha 18, Czech Republic (50.14,14.52)

Generated: 05/07/26 06:35:42. Forecast: 05/07/26 to 11/07/26. Timezone: UTC+2.00