Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 13

Waxing Crescent 7%

10:39

19:46

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:37, Set: 19:20, Transit: 12:57. Moon - Rise: 10:39, Set: 19:46. Civil Dark: 19:52 - 06:04. Nautical Dark: 20:31 - 05:25. Astro Dark: 21:13 - 04:44

Total Clouds (% Sky Obscured)

99
100
99
100
100
100
100
100
100
100
98
100
100
100
100
94
90
93
91
87
78
75
72
88

Low Clouds (% Sky Obscured)

99
64
93
59
63
66
77
76
80
73
66
57
72
76
51
71
66
63
82
65
49
55
49
56

Medium Clouds (% Sky Obscured)

84
97
74
100
99
88
86
97
93
100
87
93
100
100
99
86
85
77
72
68
24
7
17
32

High Clouds (% Sky Obscured)

53
76
99
97
88
100
100
73
47
62
83
93
100
100
55
36
4
0
0
40
60
54
27
45

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
7
2
3
6
9
4
8
9
9
5
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
Very Light Rain
None
Light Rain
Light Rain
Light Rain
Very Light Rain
None
Light Rain
None
None
None
Very Light Rain
None
None
None
None

Precipitation Probability (%)

78
23
4
10
20
22
34
49
64
55
95
95
95
71
64
83
62
60
64
59
34
27
30
26

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0
0.9
2
0.9
0.3
0
0.6
0
0
0
0.3
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
15
15
15
16
16
15
15
15
15
14
14
15
15
15
15
15
15
15
16
16
17
17
18

Dew Point (°C)

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

Relative Humidity (%)

67
78
77
73
74
79
81
85
87
90
92
93
95
96
96
95
96
96
95
93
92
88
80
71

Pressure (mb)

1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1022
1022
1023
1023
1023
1024

Ozone (du)

300
299
300
300
299
300
301
302
302
302
302
301
302
305
308
309
310
309
309
307
307
306
303
301

Monday 14

Waxing Crescent 13%

11:55

20:02

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

Sun - Rise: 06:38, Set: 19:18, Transit: 12:57. Moon - Rise: 11:55, Set: 20:02. Civil Dark: 19:50 - 06:06. Nautical Dark: 20:29 - 05:27. Astro Dark: 21:10 - 04:46

Total Clouds (% Sky Obscured)

76
88
96
68
66
96
45
16
8
24
28
20
49
59
37
31
31
28
17
7
3
23
47
11

Low Clouds (% Sky Obscured)

50
49
59
44
43
40
38
9
3
0
4
0
4
12
30
31
31
28
17
3
0
17
47
11

Medium Clouds (% Sky Obscured)

17
10
19
0
8
2
2
5
2
21
2
14
2
20
20
3
2
5
2
2
3
14
25
4

High Clouds (% Sky Obscured)

48
76
47
37
6
58
8
5
2
2
19
4
43
46
5
1
0
1
1
1
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
1
3
8
40
9
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 (%)

9
12
19
2
1
3
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)

9
9
8
8
6
5
3
2
1
2
3
3
3
3
3
3
3
3
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
67
62
66
64
63
63
67
74
79
82
83
86
87
88
87
87
87
81
73
64
58
54
50

Pressure (mb)

1024
1023
1023
1023
1023
1024
1024
1024
1025
1025
1025
1025
1024
1024
1024
1024
1024
1024
1023
1023
1023
1022
1022
1021

Ozone (du)

300
300
300
300
297
295
293
292
292
292
291
291
290
290
290
290
291
291
291
291
290
289
288
287

Tuesday 15

Waxing Crescent 21%

13:08

20:23

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

Sun - Rise: 06:40, Set: 19:15, Transit: 12:56. Moon - Rise: 13:08, Set: 20:23. Civil Dark: 19:48 - 06:07. Nautical Dark: 20:27 - 05:29. Astro Dark: 21:07 - 04:48

Total Clouds (% Sky Obscured)

9
32
34
21
23
35
30
42
42
50
47
53
55
50
33
32
31
15
27
50
65
71
92
100

Low Clouds (% Sky Obscured)

3
19
15
2
15
33
28
39
42
50
47
53
55
50
33
30
30
0
0
0
0
23
44
63

Medium Clouds (% Sky Obscured)

6
20
21
18
13
2
3
17
7
16
18
35
20
27
26
23
14
11
21
32
43
49
54
55

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
3
6
12
46
55
50
10
5
8
7
20
39
49
59
82
100

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
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
0
0
14
35
61

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
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
11
11
13
12
11
11
11
11
11
11
12
11
12
12
11
11
12
11
12
12
12
11

Relative Humidity (%)

47
46
44
44
50
56
59
62
64
67
71
71
73
73
75
75
78
78
73
64
58
53
49
47

Pressure (mb)

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

Ozone (du)

286
285
286
287
288
287
286
284
283
282
281
280
281
280
279
277
276
276
275
272
270
269
269
270

Wednesday 16

Waxing Crescent 29%

No Rise

20:50

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:41, Set: 19:13, Transit: 12:56. Moon - Rise: No Rise, Set: 20:50. Civil Dark: 19:46 - 06:09. Nautical Dark: 20:24 - 05:30. Astro Dark: 21:05 - 04:50

Total Clouds (% Sky Obscured)

100
75
66
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
91
83
72
77
83
88

Low Clouds (% Sky Obscured)

54
35
31
52
66
51
45
40
34
41
57
57
46
23
19
22
33
36
41
45
49
48
44
43

Medium Clouds (% Sky Obscured)

55
50
55
55
65
63
99
100
100
100
100
100
100
100
100
100
100
100
80
63
45
53
68
80

High Clouds (% Sky Obscured)

100
73
66
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
83
67
45
35
35
35

ISS Passover

Visibility (miles)

9
9
9
9
9
8
3
9
9
9
8
3
9
9
9
9
9
9
6
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

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

Precipitation Probability (%)

77
86
80
85
93
95
86
60
45
40
60
45
31
22
9
22
13
24
22
6
19
4
2
1

Precipitation Amount (mm)

0.5
0.6
0.3
0.4
0.5
0.8
0.4
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
7
7
6
6
5
4
4
3
3
5
5
4
5
6
6
5
6
5
7
10
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
12
12
11
12
15
15
15
15
16
15
15
14
13
12
12
12
11
12
11
11
9
5
5

Relative Humidity (%)

46
46
46
48
55
71
85
86
90
90
90
90
87
86
83
84
84
83
84
79
75
61
45
45

Pressure (mb)

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

Ozone (du)

269
269
268
268
268
269
269
270
271
271
271
271
273
274
275
277
278
281
285
287
288
290
293
296

Thursday 17

Waxing Crescent 39%

14:16

21:26

14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Good
23 OK
00 OK
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: 06:43, Set: 19:11, Transit: 12:56. Moon - Rise: 14:16, Set: 21:26. Civil Dark: 19:43 - 06:10. Nautical Dark: 20:22 - 05:32. Astro Dark: 21:02 - 04:52

Total Clouds (% Sky Obscured)

92
95
99
61
99
99
78
55
17
41
47
74
69
64
59
72
87
100
95
90
85
87
93
100

Low Clouds (% Sky Obscured)

29
14
0
0
5
5
5
5
2
0
0
0
5
10
15
10
5
0
10
20
30
29
28
30

Medium Clouds (% Sky Obscured)

70
59
38
12
9
6
5
2
0
8
18
27
27
27
26
34
37
40
41
39
45
44
44
43

High Clouds (% Sky Obscured)

53
75
98
61
58
55
40
22
8
24
40
61
55
45
33
58
80
99
94
90
85
87
93
100

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
8
11
11
13
10
9

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
10
8
7
4
4
3
3
3
4
4
4
4
5
5
5
5
4
4
5
6
6
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
14
15
16
19
15
14
14
13
13
12
12
11
11
11
11
11
10
10
12
12
13
13
14

Dew Point (°C)

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

Relative Humidity (%)

47
46
43
40
45
50
53
55
60
66
70
73
76
77
79
81
79
77
75
66
56
49
47
46

Pressure (mb)

1014
1014
1014
1013
1013
1013
1013
1014
1014
1014
1014
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

299
301
306
304
298
294
291
290
289
289
290
289
288
288
288
288
288
287
287
289
291
293
292
292

Friday 18

First Quarter 49%

15:16

22:12

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

Sun - Rise: 06:44, Set: 19:09, Transit: 12:55. Moon - Rise: 15:16, Set: 22:12. Civil Dark: 19:41 - 06:12. Nautical Dark: 20:20 - 05:34. Astro Dark: 21:00 - 04:54

Total Clouds (% Sky Obscured)

94
88
82
76
79
85
71
58
45
55
65
71
58
49
41
59
79
83
88
94
98
98
98
98

Low Clouds (% Sky Obscured)

43
65
73
68
62
50
36
24
16
15
13
16
16
15
14
20
26
32
22
11
0
9
18
33

Medium Clouds (% Sky Obscured)

38
32
27
44
62
78
64
52
41
38
34
28
19
9
1
18
38
57
71
82
94
81
68
56

High Clouds (% Sky Obscured)

71
42
13
7
5
3
2
1
0
30
47
55
41
41
41
53
65
61
55
45
44
53
72
83

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 (%)

9
8
2
5
7
2
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
17
17
17
16
16
16
13
14
14
13
13
12
10
10
11
9
9
9
11
12
12
12
12

Dew Point (°C)

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

Relative Humidity (%)

45
47
48
50
51
53
56
61
68
75
77
79
80
80
80
81
77
74
69
64
61
57
52
47

Pressure (mb)

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

Ozone (du)

291
291
291
292
293
294
295
297
299
301
299
297
295
293
291
289
290
290
291
290
288
287
283
279

Saturday 19

Waxing Gibbous 58%

16:04

23:10

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
06 Bad
07 Bad

Sun - Rise: 06:46, Set: 19:06, Transit: 12:55. Moon - Rise: 16:04, Set: 23:10. Civil Dark: 19:39 - 06:14. Nautical Dark: 20:17 - 05:35. Astro Dark: 20:57 - 04:55

Total Clouds (% Sky Obscured)

92
88
86
79
69
58
64
69
74
69
62
57
56
55
53
55
56
57

Low Clouds (% Sky Obscured)

41
44
43
31
18
6
7
8
10
13
13
10
6
3
0
24
48
57

Medium Clouds (% Sky Obscured)

53
52
49
41
35
27
25
23
21
22
22
22
20
19
12
14
15
14

High Clouds (% Sky Obscured)

79
77
74
57
43
27
27
30
29
24
14
14
32
50
53
40
17
3

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

0
0
0
1
0
0
1
1
0
1
1
0
1
1
0
1
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

42
45
47
49
51
54
55
58
60
62
64
65
67
69
70
73
74
76

Pressure (mb)

1017
1017
1018
1018
1018
1019
1019
1020
1020
1021
1021
1021
1022
1022
1022
1023
1023
1023

Ozone (du)

274
274
273
272
272
272
272
273
273
273
274
276
277
277
277
277
276
275

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

Generated: 13/09/26 14:36:41. Forecast: 13/09/26 to 19/09/26. Timezone: UTC+2.00