Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 10

Waning Crescent 1%

No Rise

19:03

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: 06:31, Set: 19:26, Transit: 12:59. Moon - Rise: No Rise, Set: 19:03. Civil Dark: 19:59 - N/A. Nautical Dark: 20:39 - 05:20. Astro Dark: 21:21 - 04:38

Total Clouds (% Sky Obscured)

60
69
99
100
88
96
100
100
100
87
83
58
89
100
100
100
100
100
100
96
96
98
100
100

Low Clouds (% Sky Obscured)

38
32
38
36
50
60
62
50
49
60
56
41
41
44
43
23
26
23
23
26
23
7
4
8

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
33
36
46
9
0
0
13
0
21
27
32
53
85
98
91

High Clouds (% Sky Obscured)

60
69
99
100
74
92
100
100
100
69
57
10
82
100
100
100
100
100
100
91
85
87
98
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
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
4
4
4

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
9
12
12
12
14
15
15
15
16
17
17
18
16
14
13
12
11
12
11
11
11
11
10

Dew Point (°C)

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

Relative Humidity (%)

74
75
74
69
62
56
50
47
44
41
40
39
41
49
56
59
60
60
62
62
61
63
63
61

Pressure (mb)

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

Ozone (du)

309
308
308
309
309
309
309
309
310
312
314
314
316
313
313
316
318
313
312
314
314
314
316
317

Friday 11

New Moon 0%

06:46

19:17

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

Sun - Rise: 06:32, Set: 19:24, Transit: 12:58. Moon - Rise: 06:46, Set: 19:17. Civil Dark: 19:57 - 06:00. Nautical Dark: 20:36 - 05:22. Astro Dark: 21:18 - 04:40

Total Clouds (% Sky Obscured)

100
100
100
100
100
81
78
79
97
99
64
90
44
79
90
71
90
94
72
58
65
42
61
90

Low Clouds (% Sky Obscured)

34
48
16
1
21
1
37
34
29
22
27
20
29
31
51
5
5
5
5
5
5
4
3
17

Medium Clouds (% Sky Obscured)

100
100
100
100
40
34
67
71
79
67
56
46
34
37
48
36
28
60
37
24
27
12
24
29

High Clouds (% Sky Obscured)

100
90
100
100
100
49
3
35
77
72
0
36
0
1
1
14
53
30
25
7
0
0
3
30

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 (%)

18
13
3
2
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)

1
2
2
1
1
2
1
2
3
3
3
3
3
1
3
2
2
3
3
4
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
11
11
12
14
15
17
18
19
19
19
19
19
20
17
16
15
14
14
14
13
13
12
12

Dew Point (°C)

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

Relative Humidity (%)

61
61
58
54
52
51
43
40
39
37
37
41
42
46
48
49
48
49
50
53
53
52
54
57

Pressure (mb)

1020
1020
1021
1021
1021
1021
1021
1020
1020
1020
1019
1019
1020
1020
1020
1021
1021
1021
1022
1022
1022
1022
1022
1022

Ozone (du)

319
321
323
325
323
322
324
326
323
323
325
324
320
315
316
317
318
319
321
325
328
328
327
326

Saturday 12

Waxing Crescent 2%

08:05

19:31

06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 OK
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: 06:34, Set: 19:22, Transit: 12:58. Moon - Rise: 08:05, Set: 19:31. Civil Dark: 19:55 - 06:01. Nautical Dark: 20:34 - 05:24. Astro Dark: 21:15 - 04:42

Total Clouds (% Sky Obscured)

87
49
56
56
57
61
32
56
75
70
77
87
85
83
65
86
100
100
99
96
89
80
69
71

Low Clouds (% Sky Obscured)

32
16
31
37
34
53
23
51
68
50
40
44
43
27
17
22
31
38
28
35
34
33
32
22

Medium Clouds (% Sky Obscured)

27
19
22
12
18
30
20
51
52
29
26
36
34
28
16
9
18
24
35
77
57
40
25
24

High Clouds (% Sky Obscured)

40
2
0
0
0
0
0
0
0
0
2
4
2
11
29
66
100
100
99
74
64
52
40
45

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
61
58
52
47
44
40
37
35
34
35
37
42
44
48
49
50
53
60
63
68
69
67
66

Pressure (mb)

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

Ozone (du)

327
327
326
323
321
320
318
316
313
311
307
304
302
300
299
298
298
298
299
300
302
303
304
303

Sunday 13

Waxing Crescent 7%

09:22

19:46

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: 06:35, Set: 19:20, Transit: 12:58. Moon - Rise: 09:22, Set: 19:46. Civil Dark: 19:52 - 06:03. Nautical Dark: 20:31 - 05:25. Astro Dark: 21:13 - 04:44

Total Clouds (% Sky Obscured)

57
54
78
70
69
71
90
91
91
90
87
91
95
100
100
100
100
100
100
100
100
100
100
98

Low Clouds (% Sky Obscured)

10
0
13
21
31
30
26
18
18
17
17
40
50
73
80
84
83
83
74
69
67
65
63
67

Medium Clouds (% Sky Obscured)

26
29
32
32
37
39
72
78
80
73
72
80
92
90
100
100
100
100
100
96
94
88
83
78

High Clouds (% Sky Obscured)

36
32
62
57
69
71
54
40
26
25
24
53
80
100
100
100
100
100
100
100
100
100
100
78

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
6

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
4
3
0
0
0
4
3
4
8
35
49
63
84
95
95
95
83
55
52

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.9
1.7
1
0.5
0.2
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
14
15
17
19
22
23
23
24
24
24
24
23
21
19
18
17
17
16
16
16
15
15
15

Feels Like (°C)

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

Dew Point (°C)

8
8
8
7
8
8
8
8
9
8
7
7
8
8
8
9
9
10
9
9
10
12
12
13

Relative Humidity (%)

69
69
63
53
47
42
38
36
36
34
32
34
38
44
48
53
58
62
64
65
68
79
83
87

Pressure (mb)

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

Ozone (du)

301
301
301
301
300
300
300
299
299
299
299
300
299
298
299
300
300
301
301
302
303
302
302
302

Monday 14

Waxing Crescent 13%

10:39

20:02

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

Sun - Rise: 06:37, Set: 19:18, Transit: 12:57. Moon - Rise: 10:39, Set: 20:02. Civil Dark: 19:50 - 06:04. Nautical Dark: 20:29 - 05:27. Astro Dark: 21:10 - 04:46

Total Clouds (% Sky Obscured)

96
95
96
95
100
99
98
97
63
83
74
40
50
58
71
56
39
33
30
27
27
27
27
47

Low Clouds (% Sky Obscured)

74
78
83
91
100
91
81
72
63
64
59
40
48
43
38
38
36
33
30
27
27
27
27
33

Medium Clouds (% Sky Obscured)

76
73
41
44
52
59
48
47
37
23
10
7
4
0
29
28
24
27
30
27
27
26
24
23

High Clouds (% Sky Obscured)

57
35
30
21
0
0
0
0
0
2
1
2
3
32
29
17
7
7
6
3
4
5
7
23

ISS Passover

Visibility (miles)

8
9
9
9
9
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
0
0

Precipitation Type

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

Precipitation Probability (%)

45
21
35
32
45
41
32
23
24
18
10
7
10
0
0
0
0
0
0
0
0
1
0
0

Precipitation Amount (mm)

0
0
0
0
0.2
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
5
6
6
7
7
5
5
5
6
4
3
2
3
2
2
2
1
2
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
87
79
72
72
79
83
78
65
61
56
52
60
63
65
66
69
69
71
73
74
75
78

Pressure (mb)

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

Ozone (du)

302
305
307
310
312
312
312
311
307
304
304
300
298
295
295
293
292
291
290
289
288
287
287
286

Tuesday 15

Waxing Crescent 21%

11:55

20:23

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

Sun - Rise: 06:38, Set: 19:15, Transit: 12:57. Moon - Rise: 11:55, Set: 20:23. Civil Dark: 19:48 - 06:06. Nautical Dark: 20:27 - 05:29. Astro Dark: 21:07 - 04:48

Total Clouds (% Sky Obscured)

66
86
73
60
48
41
33
26
23
21
23
23
27
35
45
46
47
46
51
55
56
56
61
58

Low Clouds (% Sky Obscured)

16
0
14
29
41
34
26
19
18
18
17
12
6
0
0
0
0
16
33
47
50
56
61
58

Medium Clouds (% Sky Obscured)

30
33
32
27
22
22
23
25
23
21
22
16
16
13
14
15
21
25
39
45
45
49
54
39

High Clouds (% Sky Obscured)

42
51
38
21
14
9
7
4
5
6
6
15
25
35
41
46
47
46
51
55
56
56
57
42

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None

Precipitation Probability (%)

0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
1
2
55
95
95
95
95
65
39

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.9
1.1
0.8
0.4
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
14
14
15
15
16
17
18
19
27
26
26
26
26
26
19
19
19
18
18
17
15
15
15

Dew Point (°C)

10
10
10
11
11
11
10
10
9
8
8
8
8
9
9
9
8
9
8
8
8
8
8
8

Relative Humidity (%)

76
76
75
68
62
57
49
44
38
36
35
34
39
44
50
52
53
57
58
59
61
61
63
64

Pressure (mb)

1023
1023
1022
1022
1022
1021
1021
1020
1019
1018
1017
1017
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

286
286
286
286
285
285
284
284
283
284
284
285
284
283
282
281
279
278
276
274
271
273
274
276

Wednesday 16

Waxing Crescent 29%

13:08

20:50

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

Sun - Rise: 06:40, Set: 19:13, Transit: 12:56. Moon - Rise: 13:08, Set: 20:50. Civil Dark: 19:46 - 06:07. Nautical Dark: 20:24 - 05:30. Astro Dark: 21:05 - 04:50

Total Clouds (% Sky Obscured)

60
61
54
47
44
49
50
55
47
45
43
41
27
32
28
31
34
38
38
38

Low Clouds (% Sky Obscured)

60
61
54
47
44
49
50
55
47
45
43
41
26
11
7
4
0
18
35
38

Medium Clouds (% Sky Obscured)

28
18
21
25
26
36
38
43
40
32
29
28
23
22
26
29
34
30
28
29

High Clouds (% Sky Obscured)

23
2
1
1
0
3
5
7
4
2
0
0
0
0
0
1
1
5
10
14

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 (%)

27
11
11
9
12
5
1
0
0
0
0
1
3
0
5
7
3
6
4
1

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
14
13
15
15
16
16
16
17
24
23
23
23
24
25
18
18
19
19
19

Dew Point (°C)

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

Relative Humidity (%)

64
64
64
57
51
46
41
35
31
30
31
30
35
41
48
51
52
55
58
60

Pressure (mb)

1016
1016
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015

Ozone (du)

276
275
275
275
275
275
274
274
273
273
272
272
272
272
271
271
271
270
270
269

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

Generated: 10/09/26 05:42:32. Forecast: 10/09/26 to 16/09/26. Timezone: UTC+2.00