Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 8

Waning Crescent 0%

07:27

15:45

22 OK
23 OK
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 OK
13 OK
14 OK
15 Good
16 Good
17 OK
18 OK
19 OK
20 Bad
21 Bad

Sun - Rise: 07:01, Set: 16:18, Transit: 11:39. Moon - Rise: 07:27, Set: 15:45. Civil Dark: 16:53 - 06:26. Nautical Dark: 17:33 - 05:46. Astro Dark: 18:11 - 05:08

Total Clouds (% Sky Obscured)

38
43
66
69
70
75
73
87
97
100
93
83
71
52
41
35
26
2
9
19
25
30
52
55

Low Clouds (% Sky Obscured)

38
43
66
69
70
75
72
82
95
100
90
78
67
52
41
35
26
1
9
19
25
30
52
55

Medium Clouds (% Sky Obscured)

2
4
19
24
21
26
24
33
45
23
1
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
1
2
2
2
2
1
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 (%)

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
68
68
70
70
72
74
72
70
67
66
64
63
61
59
58
60
65
76
83
85
86
88
88

Pressure (mb)

1027
1027
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1025
1025
1024
1023
1022
1022
1022
1022
1022
1021
1021

Ozone (du)

278
279
279
282
288
289
289
292
293
295
292
291
292
292
293
296
299
305
303
298
296
293
292
293

Monday 9

New Moon 2%

08:40

16:14

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

Sun - Rise: 07:02, Set: 16:17, Transit: 11:40. Moon - Rise: 08:40, Set: 16:14. Civil Dark: 16:52 - 06:27. Nautical Dark: 17:31 - 05:48. Astro Dark: 18:09 - 05:10

Total Clouds (% Sky Obscured)

50
55
61
93
100
100
99
97
98
100
100
100
100
100
98
88
90
77
80
83
75
79
66
58

Low Clouds (% Sky Obscured)

50
55
61
93
100
100
99
97
98
99
100
100
100
100
97
83
87
71
77
81
70
76
52
57

Medium Clouds (% Sky Obscured)

0
0
0
29
41
54
65
38
61
85
85
45
45
50
43
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
2
25
4

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
1
2
2
1
86
100
79
25
12
9
0
0
0
0
0
0
0
1

Precipitation Type

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

Precipitation Probability (%)

0
0
5
0
0
5
40
57
35
64
95
95
82
51
29
6
0
6
1
10
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0
0.2
2.1
1.1
0.6
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
91
91
93
91
89
91
91
93
94
94
94
96
98
98
96
96
93
89
88
89
91
91
93

Pressure (mb)

1021
1020
1020
1019
1018
1017
1016
1015
1015
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1014
1014
1015
1015
1016

Ozone (du)

290
297
302
286
274
273
274
277
277
273
271
268
264
262
266
267
266
258
255
253
251
251
252
249

Tuesday 10

Waxing Crescent 5%

09:47

16:52

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

Sun - Rise: 07:04, Set: 16:15, Transit: 11:40. Moon - Rise: 09:47, Set: 16:52. Civil Dark: 16:51 - 06:29. Nautical Dark: 17:30 - 05:49. Astro Dark: 18:08 - 05:11

Total Clouds (% Sky Obscured)

64
76
54
88
84
100
100
100
100
97
97
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

64
67
54
72
67
71
66
62
66
56
51
60
62
60
62
84
94
88
98
100
95
96
98
99

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
63
48
40
78
71
97
100
96
96
89
99
96
92
73
66
75
67
95

High Clouds (% Sky Obscured)

4
27
3
37
32
91
100
100
100
51
35
58
46
96
99
100
96
100
97
98
95
95
98
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
6
5
5
1
1
0
0
0
0
0
0

Fog (%)

1
0
0
2
7
47
94
90
68
56
38
16
7
2
1
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
2
13
52
69
71
79
80
78
68
54
27
29
34
22

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.5
0.5
0.6
0.4
0.3
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
92
91
92
91
92
92
92
92
88
81
76
82
91
94
98
98
98
100
100
100
98
98

Pressure (mb)

1016
1016
1016
1016
1015
1015
1014
1014
1014
1013
1013
1012
1012
1011
1010
1009
1008
1007
1007
1006
1006
1006
1006
1006

Ozone (du)

244
242
244
246
249
251
251
253
255
256
257
257
254
254
251
249
251
255
258
260
262
261
260
263

Wednesday 11

Waxing Crescent 10%

10:44

17:41

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

Sun - Rise: 07:05, Set: 16:14, Transit: 11:40. Moon - Rise: 10:44, Set: 17:41. Civil Dark: 16:50 - 06:30. Nautical Dark: 17:29 - 05:50. Astro Dark: 18:08 - 05:12

Total Clouds (% Sky Obscured)

100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
97
96
94

Medium Clouds (% Sky Obscured)

100
81
67
78
45
41
61
49
73
52
59
69
53
53
78
98
99
100
92
84
73
81
91
100

High Clouds (% Sky Obscured)

100
77
67
52
48
30
23
36
25
5
25
25
20
20
15
10
5
5
6
7
7
30
54
79

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

23
25
38
50
56
62
58
54
51
44
36
30
30
27
21
21
25
27
40
41
71
88
79
69

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
100
98
98
98
98
100
98
98
100
98
98
98
96
96
94
94
96
98
100
98
96
90
90

Pressure (mb)

1006
1005
1005
1005
1005
1004
1004
1004
1003
1003
1004
1004
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1004
1004

Ozone (du)

262
263
262
261
263
260
256
256
255
254
253
253
253
252
252
253
254
253
253
249
247
247
246
245

Thursday 12

Waxing Crescent 16%

11:30

18:41

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

Sun - Rise: 07:07, Set: 16:13, Transit: 11:40. Moon - Rise: 11:30, Set: 18:41. Civil Dark: 16:49 - 06:31. Nautical Dark: 17:28 - 05:52. Astro Dark: 18:07 - 05:13

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
77
100
100
99
99
83
64
47
50
56
59

Low Clouds (% Sky Obscured)

95
97
98
96
84
76
74
71
69
62
52
49
47
39
37
32
32
32
23
13
1
15
29
45

Medium Clouds (% Sky Obscured)

100
100
100
100
90
71
76
50
50
60
60
65
65
65
65
65
65
65
60
50
45
45
30
35

High Clouds (% Sky Obscured)

87
94
100
100
100
100
100
100
100
100
100
100
100
77
100
100
99
99
83
64
47
50
34
15

ISS Passover

Visibility (miles)

3
1
1
7
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

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

Precipitation Probability (%)

75
81
69
55
58
77
71
75
79
68
57
41
39
29
8
15
9
1
1
1
1
3
2
1

Precipitation Amount (mm)

0.6
0.7
0.5
0.3
0.3
0.9
0.5
0.6
0.8
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
94
94
82
77
83
88
88
89
89
86
79
70
62
57
56
62
69
76
78
83
86
83
81

Pressure (mb)

1004
1004
1004
1004
1004
1004
1004
1004
1004
1005
1005
1006
1006
1006
1006
1007
1007
1008
1009
1010
1011
1012
1013
1014

Ozone (du)

244
243
243
242
242
243
242
244
245
247
247
247
248
250
250
252
255
258
261
265
270
274
276
278

Friday 13

Waxing Crescent 24%

12:04

19:48

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
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 OK
20 OK
21 Good

Sun - Rise: 07:08, Set: 16:12, Transit: 11:40. Moon - Rise: 12:04, Set: 19:48. Civil Dark: 16:47 - 06:33. Nautical Dark: 17:27 - 05:53. Astro Dark: 18:05 - 05:15

Total Clouds (% Sky Obscured)

69
80
91
84
74
64
63
62
58
57
53
58
67
62
60
61
59
55
55
53
45
34
19
15

Low Clouds (% Sky Obscured)

54
63
71
71
66
64
62
62
58
41
35
29
37
36
38
37
39
41
43
46
45
34
19
15

Medium Clouds (% Sky Obscured)

20
12
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)

10
10
10
10
7
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 (%)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-3
-3
-3
-3
-3
-3
-3
-3
-3
-4
-3
-3
-3
-4
-5
-6
-5
-5
-4
-4
-4
-4
-4
-4

Relative Humidity (%)

81
83
86
89
89
91
91
92
92
91
84
77
71
63
56
49
56
63
70
74
78
83
83
84

Pressure (mb)

1015
1016
1017
1017
1018
1019
1020
1021
1022
1023
1024
1024
1025
1025
1025
1025
1026
1026
1026
1027
1028
1028
1029
1029

Ozone (du)

281
279
278
277
277
278
279
278
278
278
277
276
274
274
274
274
275
275
275
275
275
275
273
270

Saturday 14

Waxing Crescent 33%

12:30

20:59

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

Sun - Rise: 07:10, Set: 16:10, Transit: 11:40. Moon - Rise: 12:30, Set: 20:59. Civil Dark: 16:46 - 06:34. Nautical Dark: 17:26 - 05:54. Astro Dark: 18:04 - 05:16

Total Clouds (% Sky Obscured)

10
13
16
13
13
11
11
16
17
17
17
16
18
22
21
23
23
19
14
11
11

Low Clouds (% Sky Obscured)

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

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

High Clouds (% Sky Obscured)

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

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
0
2
3
0
1
2
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-4
-4
-4
-4
-4
-4
-5
-5
-5
-5
-6
-6
-6
-6
-6
-6
-5
-4
-4
-4
-4

Relative Humidity (%)

84
84
86
86
84
81
81
79
79
78
70
64
57
55
53
51
57
64
70
75
80

Pressure (mb)

1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1030
1030
1029
1029
1029
1029
1029
1029
1029
1029

Ozone (du)

268
267
267
266
265
265
264
264
264
264
265
265
265
265
266
266
265
264
262
263
263

Forecast for Maršov u Úpice, Trutnov District, Czech Republic (50.48,15.98)

Generated: 08/11/26 21:20:25. Forecast: 08/11/26 to 14/11/26. Timezone: UTC+1.00