Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 9

New Moon 0%

07:32

15:54

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

Sun - Rise: 07:06, Set: 16:25, Transit: 11:46. Moon - Rise: 07:32, Set: 15:54. Civil Dark: 17:00 - 06:31. Nautical Dark: 17:39 - 05:52. Astro Dark: 18:17 - 05:14

Total Clouds (% Sky Obscured)

98
98
97
94
83
64
34
10
14
18
12
17
18
8
2
24
91
92
91
79
85
93
96
89

Low Clouds (% Sky Obscured)

85
85
87
80
79
64
34
10
14
18
12
17
18
8
1
20
49
40
46
62
58
64
80
84

Medium Clouds (% Sky Obscured)

8
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
50
52
46
22
34
48
86
30

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
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
9
9
7
9

Fog (%)

17
9
5
2
1
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
Very Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
2
25
44
29

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
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-1
-1
-1
-1
0
2
5
6
6
6
6
6
3
2
1
0
-1
0
0
-0
-1
-1
-1

Dew Point (°C)

-4
-4
-4
-4
-4
-3
-3
-3
-2
-2
-2
-2
-1
-2
-2
-2
-2
-2
-2
-2
-1
-1
-2
0

Relative Humidity (%)

66
65
66
66
66
65
62
59
56
54
52
53
60
64
69
73
74
72
73
74
77
79
80
85

Pressure (mb)

1026
1026
1026
1026
1026
1025
1025
1025
1024
1023
1022
1021
1020
1020
1020
1020
1020
1019
1019
1018
1018
1017
1016
1016

Ozone (du)

294
295
295
295
295
294
294
300
301
301
301
298
293
288
288
291
290
282
275
270
270
271
270
267

Tuesday 10

Waxing Crescent 2%

08:44

16:23

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

Sun - Rise: 07:07, Set: 16:24, Transit: 11:46. Moon - Rise: 08:44, Set: 16:23. Civil Dark: 16:59 - 06:32. Nautical Dark: 17:38 - 05:53. Astro Dark: 18:16 - 05:15

Total Clouds (% Sky Obscured)

78
99
100
100
99
71
60
58
62
61
63
80
80
52
45
44
45
61
66
86
78
76
94
100

Low Clouds (% Sky Obscured)

78
99
100
100
99
65
52
51
60
61
63
80
80
52
45
43
37
34
42
46
46
43
41
46

Medium Clouds (% Sky Obscured)

34
91
92
93
0
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
54
82
86

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
12
30
34
66
52
42
67
98

ISS Passover

Visibility (miles)

9
9
4
5
9
6
7
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
16
66
63
61

Precipitation Type

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

Precipitation Probability (%)

14
91
95
95
52
45
20
3
3
1
0
0
0
0
0
0
0
0
0
0
0
0
1
4

Precipitation Amount (mm)

0
0.8
1.7
1
0
0.2
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
4
5
6
5
4
3
2
2
2
2
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

0
0
0
1
1
2
3
3
4
4
4
3
3
3
3
3
3
2
1
1
0
-1
-1
-0

Relative Humidity (%)

85
86
85
88
89
88
88
85
79
77
72
69
74
79
83
85
86
88
89
88
89
88
88
89

Pressure (mb)

1015
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1014
1014
1015
1015
1015
1015
1015
1015
1014
1014
1013

Ozone (du)

263
259
259
259
259
259
260
261
259
255
250
248
248
250
249
246
244
246
249
251
252
254
255
257

Wednesday 11

Waxing Crescent 5%

09:51

17:01

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:09, Set: 16:23, Transit: 11:46. Moon - Rise: 09:51, Set: 17:01. Civil Dark: 16:58 - 06:34. Nautical Dark: 17:37 - 05:55. Astro Dark: 18:15 - 05:17

Total Clouds (% Sky Obscured)

100
100
100
99
99
100
100
100
100
100
100
100
100
97
99
100
88
84
92
87
82
89
95
100

Low Clouds (% Sky Obscured)

48
73
63
47
67
93
100
81
95
94
86
88
72
86
70
74
65
74
81
71
62
66
71
76

Medium Clouds (% Sky Obscured)

87
91
100
97
99
98
93
97
98
96
76
76
30
64
95
90
54
51
66
60
58
67
38
82

High Clouds (% Sky Obscured)

100
98
53
91
91
92
97
58
78
94
92
100
100
74
88
95
55
25
25
2
7
33
51
67

ISS Passover

Visibility (miles)

9
9
5
8
3
6
9
9
9
9
9
9
9
7
0
3
9
9
9
9
9
9
9
9

Fog (%)

67
50
36
32
20
5
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

22
55
54
72
77
82
60
60
57
39
19
27
34
62
69
40
36
31
26
18
23
11
16
11

Precipitation Amount (mm)

0
0.3
0
0.3
0.4
0.4
0
0.2
0.2
0
0
0
0
0.4
0.5
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-1
-1
-2
-1
0
1
1
1
2
3
4
4
4
2
3
3
3
3
3
4
4
4
4

Dew Point (°C)

-1
-1
-1
-1
0
1
2
2
3
3
4
5
5
5
4
4
4
4
4
4
4
5
5
5

Relative Humidity (%)

88
86
89
91
91
94
93
93
91
89
93
91
90
93
98
96
93
93
94
93
93
91
91
91

Pressure (mb)

1012
1012
1011
1011
1010
1009
1009
1008
1007
1006
1005
1005
1004
1004
1005
1005
1005
1006
1006
1005
1005
1005
1005
1004

Ozone (du)

256
258
258
258
260
261
256
254
252
254
255
260
263
265
265
264
263
266
268
263
260
258
254
252

Thursday 12

Waxing Crescent 10%

10:48

17:51

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
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:10, Set: 16:22, Transit: 11:46. Moon - Rise: 10:48, Set: 17:51. Civil Dark: 16:57 - 06:35. Nautical Dark: 17:36 - 05:56. Astro Dark: 18:14 - 05:18

Total Clouds (% Sky Obscured)

98
97
95
95
94
93
93
95
96
96
96
96
97
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

80
84
87
83
78
73
71
72
73
81
86
92
95
97
100
100
100
100
100
100
98
78
67
56

Medium Clouds (% Sky Obscured)

70
29
20
22
24
24
30
36
42
46
46
50
61
64
63
66
80
88
95
100
100
100
100
100

High Clouds (% Sky Obscured)

53
12
3
1
1
2
2
46
40
36
26
32
54
76
100
100
100
100
100
100
100
100
100
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
Very Light Rain
None
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

19
21
25
19
15
3
4
3
2
12
21
33
37
39
38
45
47
51
51
50
52
47
37
21

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
5
6
7
7
9
9
10
10
9
8
6
6
5
4
3
2
1
0
1
0
1
-0

Dew Point (°C)

5
5
5
6
7
8
9
9
9
10
8
8
7
6
6
5
5
3
1
1
1
1
1
1

Relative Humidity (%)

90
91
91
91
91
90
88
88
87
87
85
87
90
90
90
90
90
79
74
75
75
78
77
77

Pressure (mb)

1004
1004
1004
1004
1004
1003
1003
1003
1002
1002
1002
1002
1002
1002
1003
1003
1003
1003
1003
1003
1004
1003
1004
1003

Ozone (du)

251
251
251
248
249
248
247
245
245
246
244
243
244
244
241
238
238
238
237
236
236
236
235
236

Friday 13

Waxing Crescent 16%

11:34

18:50

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
00 Bad
01 OK
02 OK
03 OK

Sun - Rise: 07:12, Set: 16:20, Transit: 11:46. Moon - Rise: 11:34, Set: 18:50. Civil Dark: 16:56 - 06:36. Nautical Dark: 17:35 - 05:57. Astro Dark: 18:13 - 05:19

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
89
80
70
100
100
100
85
69
50
42
30
25

Low Clouds (% Sky Obscured)

49
41
35
40
49
55
58
55
51
57
61
64
54
42
32
42
36
32
31
33
35
35
30
25

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
90
62
47
33
17
0
0
0
0
50
45
45
30
13
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
85
70
60
100
100
100
85
69
50
35
17
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 (%)

21
20
14
11
8
2
2
1
0
0
1
2
2
1
0
0
0
0
1
3
3
4
5
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)

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

Chance of Frost

Temperature (°C)

4
4
3
3
3
3
4
4
5
5
5
5
5
4
3
2
2
2
2
2
1
1
1
0

Feels Like (°C)

-1
-1
-2
-1
-1
-1
-1
-1
-1
0
1
0
1
-1
-1
-2
-1
-1
-2
-1
-1
-2
-1
-2

Dew Point (°C)

-1
-1
-2
-1
-1
-1
-2
-2
-2
-2
-3
-3
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2

Relative Humidity (%)

73
72
72
74
76
72
68
64
62
60
58
58
61
66
69
72
74
76
76
78
80
81
81
83

Pressure (mb)

1004
1004
1004
1005
1006
1006
1007
1008
1008
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1019
1020
1021

Ozone (du)

237
237
238
239
241
243
244
245
245
246
246
246
248
252
253
256
258
260
262
265
268
272
271
270

Saturday 14

Waxing Crescent 24%

12:08

19:57

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

Sun - Rise: 07:13, Set: 16:19, Transit: 11:46. Moon - Rise: 12:08, Set: 19:57. Civil Dark: 16:55 - 06:38. Nautical Dark: 17:34 - 05:58. Astro Dark: 18:12 - 05:20

Total Clouds (% Sky Obscured)

22
20
19
16
13
10
14
17
18
14
10
5
6
7
7
14
20
26
31
36
41
38
42
43

Low Clouds (% Sky Obscured)

21
19
14
12
9
7
7
8
10
8
6
4
4
6
7
14
20
26
28
22
20
13
17
18

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
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 (%)

1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
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
2
2
2
2
3
3
4
4
4
4
4
4
4
3
3
3
4
4
4
4

Chance of Frost

Temperature (°C)

0
0
-1
-1
1
2
3
4
4
6
5
4
4
3
2
1
1
0
-0
0
0
-1
-1
-1

Feels Like (°C)

-1
-1
-1
-2
-1
-1
1
1
1
1
5
4
3
4
3
3
-1
-1
-1
-0
0
-1
-2
-1

Dew Point (°C)

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

Relative Humidity (%)

84
83
84
84
78
74
69
63
59
54
57
59
61
65
69
73
74
74
74
74
74
72
74
77

Pressure (mb)

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

Ozone (du)

269
267
265
263
265
266
267
267
266
266
265
264
264
263
263
263
264
265
266
263
261
259
259
259

Sunday 15

Waxing Crescent 33%

12:34

21:07

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

Sun - Rise: 07:15, Set: 16:18, Transit: 11:46. Moon - Rise: 12:34, Set: 21:07. Civil Dark: 16:53 - 06:39. Nautical Dark: 17:33 - 06:00. Astro Dark: 18:11 - 05:22

Total Clouds (% Sky Obscured)

46
48
50
53
51
50
44
39
30
21
11
0
0
0
1
15
29
43
53
63
74

Low Clouds (% Sky Obscured)

23
29
45
42
40
34
28
23
19
11
6
0
0
0
0
14
28
43
45
51
58

Medium Clouds (% Sky Obscured)

7
13
20
13
7
0
0
0
0
0
0
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
1
2
3
4
11
14
18

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

Fog (%)

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

Precipitation Probability (%)

1
2
2
4
4
0
3
3
0
0
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-1
-1
-1
-1
0
1
3
4
5
6
5
5
5
3
2
1
1
1
1
0
0

Feels Like (°C)

-2
-2
-2
-2
-2
-3
-2
-1
-1
0
3
3
3
2
1
2
-2
-1
-2
-2
-3

Dew Point (°C)

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

Relative Humidity (%)

77
78
81
84
80
75
72
63
55
48
49
52
55
58
64
70
70
71
71
70
69

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1025
1025
1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

259
257
256
255
256
258
260
262
263
265
266
267
268
272
275
279
282
284
287
291
295

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

Generated: 09/11/26 04:54:07. Forecast: 09/11/26 to 15/11/26. Timezone: UTC+1.00