Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 8

Waning Crescent 6%

04:18

17:15

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

Sun - Rise: 07:04, Set: 18:17, Transit: 12:40. Moon - Rise: 04:18, Set: 17:15. Civil Dark: 18:49 - 06:32. Nautical Dark: 19:26 - 05:55. Astro Dark: 20:03 - 05:18

Total Clouds (% Sky Obscured)

31
14
17
46
59
62
93
95
97
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
17
34
44
47
49
47
42
43
36
51
40
28
25
0
45
99
78
35

Medium Clouds (% Sky Obscured)

0
0
17
0
24
47
57
68
70
89
100
100
97
100
100
99
100
99
100
100
100
99
100
100

High Clouds (% Sky Obscured)

12
14
17
41
36
20
36
36
43
30
82
100
100
100
100
100
100
100
100
100
100
100
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
4
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
Light Rain
Very Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
4
2
1
2
2
3
23
47
66
89
80
45

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.2
0

Wind Speed/Direction (mph)

4
4
4
4
4
3
3
3
3
3
6
6
7
7
5
3
4
3
2
2
3
7
11
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
14
13
10
9
9
10
9
10
12
13
14
14
15
17
18
19
19
17
16
15
13
12
10

Dew Point (°C)

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

Relative Humidity (%)

76
80
81
81
78
78
81
83
75
65
66
65
62
63
71
71
73
73
77
78
79
80
86
82

Pressure (mb)

1011
1011
1010
1010
1010
1009
1009
1009
1009
1009
1009
1008
1008
1007
1007
1006
1006
1007
1007
1008
1008
1009
1010
1012

Ozone (du)

291
291
290
288
287
287
287
287
287
288
288
289
289
287
287
288
288
290
291
293
295
302
301
303

Friday 9

Waning Crescent 2%

05:35

17:29

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

Sun - Rise: 07:05, Set: 18:15, Transit: 12:40. Moon - Rise: 05:35, Set: 17:29. Civil Dark: 18:47 - 06:34. Nautical Dark: 19:24 - 05:57. Astro Dark: 20:01 - 05:20

Total Clouds (% Sky Obscured)

100
98
74
86
79
38
27
26
25
23
23
31
35
15
50
40
34
40
40
64
68
76
86
88

Low Clouds (% Sky Obscured)

39
34
38
59
50
38
27
26
23
23
21
4
13
10
11
0
0
0
0
0
0
0
5
5

Medium Clouds (% Sky Obscured)

90
95
36
33
42
10
2
0
0
0
0
0
0
0
0
0
0
0
0
28
37
47
56
80

High Clouds (% Sky Obscured)

100
74
25
35
30
0
0
0
0
0
7
24
21
3
39
35
34
35
40
47
51
55
68
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 (%)

20
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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)

15
14
12
11
11
10
8
7
5
8
9
8
8
8
8
8
8
6
4
2
3
4
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
8
8
7
7
6
7
6
6
5
4
2
1
1
1
0
0
1
2
2
1
2
3
2

Relative Humidity (%)

75
76
79
78
80
78
84
88
87
72
58
48
41
37
34
33
34
38
45
48
50
54
61
57

Pressure (mb)

1014
1015
1016
1017
1018
1019
1019
1020
1021
1021
1021
1021
1020
1020
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

305
304
303
308
312
313
313
314
313
309
305
304
302
301
301
300
299
298
297
297
296
295
292
289

Saturday 10

New Moon 0%

06:51

17:44

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
22 Bad
23 Bad

Sun - Rise: 07:07, Set: 18:13, Transit: 12:40. Moon - Rise: 06:51, Set: 17:44. Civil Dark: 18:45 - 06:35. Nautical Dark: 19:22 - 05:58. Astro Dark: 19:59 - 05:21

Total Clouds (% Sky Obscured)

94
92
100
100
100
97
94
94
99
100
100
98
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

41
70
73
75
70
71
68
77
89
94
81
55
12
20
70
88
100
95
59
46
52
58
73
71

Medium Clouds (% Sky Obscured)

89
90
90
98
100
94
90
85
97
100
89
96
91
95
100
100
100
100
100
100
100
100
100
78

High Clouds (% Sky Obscured)

60
58
55
60
55
55
55
58
57
99
100
65
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

6
5
15
28
34
35
33
37
41
28
35
40
24
31
37
54
57
51
64
64
44
50
51
41

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
4
5
6
7
8
9
8
9
10
10
10
11
9
10
12
13
12
12
11
11
11
10
10

Relative Humidity (%)

60
67
70
76
81
87
90
91
93
95
90
87
92
76
82
87
92
93
95
96
96
96
95
95

Pressure (mb)

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

Ozone (du)

288
288
287
285
284
283
284
284
284
285
287
287
286
286
287
288
289
288
288
288
290
291
291
292

Sunday 11

Waxing Crescent 1%

08:06

18:01

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

Sun - Rise: 07:08, Set: 18:11, Transit: 12:40. Moon - Rise: 08:06, Set: 18:01. Civil Dark: 18:43 - 06:37. Nautical Dark: 19:20 - 06:00. Astro Dark: 19:57 - 05:23

Total Clouds (% Sky Obscured)

100
100
100
89
95
100
84
82
74
68
59
51
54
56
41
23
25
40
53
69
71
74
79
70

Low Clouds (% Sky Obscured)

68
64
44
21
3
10
10
14
25
35
46
44
46
47
34
17
15
26
27
39
40
42
40
29

Medium Clouds (% Sky Obscured)

71
74
42
19
18
55
0
0
8
19
30
24
14
27
0
0
0
12
25
37
39
43
68
69

High Clouds (% Sky Obscured)

70
75
80
80
80
75
70
75
50
23
0
0
0
0
0
0
2
3
30
30
20
16
20
15

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 (%)

30
15
4
1
1
30
5
1
0
1
1
13
13
12
5
2
0
0
0
0
1
1
1
2

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
2
3
4
3
3
2
5
8
9
10
10
11
11
9
5
5
3
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
10
9
9
9
8
8
7
6
6
5
4
3
3
3
3
5
7
9
9
9
7
6

Relative Humidity (%)

93
91
91
91
95
96
95
93
90
76
64
55
50
45
44
45
45
51
69
84
88
90
80
78

Pressure (mb)

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

Ozone (du)

295
298
300
299
298
297
302
304
307
309
309
310
310
309
308
306
306
306
305
304
305
306
306
307

Monday 12

Waxing Crescent 4%

09:21

18:21

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
22 Bad
23 Bad

Sun - Rise: 07:10, Set: 18:09, Transit: 12:39. Moon - Rise: 09:21, Set: 18:21. Civil Dark: 18:41 - 06:38. Nautical Dark: 19:18 - 06:01. Astro Dark: 19:54 - 05:24

Total Clouds (% Sky Obscured)

62
57
73
87
100
85
72
58
69
82
97
95
92
89
75
63
53
65
64
69
71
74
81
73

Low Clouds (% Sky Obscured)

17
5
15
26
36
36
36
39
58
77
94
88
82
80
71
63
53
64
55
46
39
34
36
29

Medium Clouds (% Sky Obscured)

62
57
73
87
100
84
67
51
57
65
78
78
77
78
64
53
50
62
64
69
71
74
81
73

High Clouds (% Sky Obscured)

20
25
27
34
40
43
51
50
46
33
25
18
17
10
5
5
15
15
15
20
20
25
30
40

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
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
Very Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

7
11
17
27
48
45
59
50
68
56
33
29
35
36
56
45
30
25
21
13
16
10
1
11

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
76
75
75
82
88
91
91
91
88
82
76
68
62
59
60
60
61
65
67
69
72
74
77

Pressure (mb)

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

Ozone (du)

307
308
307
307
306
305
307
308
310
312
312
313
314
316
319
319
319
319
319
319
319
319
319
318

Tuesday 13

Waxing Crescent 9%

10:35

18:47

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
22 Bad
23 Bad

Sun - Rise: 07:11, Set: 18:07, Transit: 12:39. Moon - Rise: 10:35, Set: 18:47. Civil Dark: 18:39 - 06:40. Nautical Dark: 19:16 - 06:03. Astro Dark: 19:52 - 05:26

Total Clouds (% Sky Obscured)

66
62
61
60
58
61
61
61
64
65
70
79
88
96
93
92
90
82
74
69
78
83
84
82

Low Clouds (% Sky Obscured)

22
15
27
38
42
54
61
61
64
65
67
73
78
85
67
46
22
19
20
20
25
33
54
67

Medium Clouds (% Sky Obscured)

66
61
53
44
30
30
25
25
30
40
45
55
54
48
58
66
76
61
42
29
39
39
36
28

High Clouds (% Sky Obscured)

55
62
61
60
58
61
55
50
30
15
20
22
28
24
22
24
35
20
10
6
7
6
4
11

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 (%)

12
3
12
11
3
8
10
6
10
7
3
9
7
3
8
7
2
5
2
0
1
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
5
5
6
7
8
8
9
9
9
9
10
10
10
10
9
9
8
8
7
7
7
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
6
6
5
5
5
5
5
5
5
6
7
7
7
7
9
10
9
8
7
5
4
3
4

Dew Point (°C)

4
4
4
4
4
4
4
4
4
4
4
5
5
4
4
4
5
5
4
2
1
1
0
0

Relative Humidity (%)

75
77
77
77
78
79
78
78
77
70
66
61
59
56
54
55
57
59
60
60
61
62
62
63

Pressure (mb)

1022
1023
1023
1023
1023
1023
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1026
1027
1027
1027
1028
1028

Ozone (du)

318
317
316
316
315
315
315
315
315
315
315
315
315
315
315
316
316
316
314
312
311
309
308
306

Wednesday 14

Waxing Crescent 15%

11:45

19:20

Sun - Rise: 07:13, Set: 18:05, Transit: 12:39. Moon - Rise: 11:45, Set: 19:20. Civil Dark: 18:37 - 06:41. Nautical Dark: 19:14 - 06:04. Astro Dark: 19:51 - 05:27

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Brno, Město Brno, Czech Republic (49.20,16.61)

Generated: 08/10/26 00:24:50. Forecast: 08/10/26 to 14/10/26. Timezone: UTC+2.00