Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 9

Waning Gibbous 78%

21:12

11:36

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:45, Set: 15:52, Transit: 11:48. Moon - Rise: 21:12, Set: 11:36. Civil Dark: 16:30 - 07:06. Nautical Dark: 17:12 - 06:24. Astro Dark: 17:52 - 05:45

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
98
100
100
100
95
99
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
98
99
97
86
90
85
85
85
82
89
73
66
48
42
42
65
57
76
73
77
75
77
80

Medium Clouds (% Sky Obscured)

76
69
54
64
56
43
48
70
44
97
79
55
81
90
90
100
100
99
96
97
96
62
59
71

High Clouds (% Sky Obscured)

67
93
100
100
100
100
100
100
91
88
100
100
79
96
95
100
100
99
100
100
100
97
100
100

ISS Passover

Visibility (miles)

1
2
1
1
1
3
0
0
1
4
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

83
85
51
51
86
86
84
85
85
0
0
0
0
0
34
35
37
4
0
0
0
16
43
44

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 (%)

2
0
0
15
14
5
2
0
0
0
0
0
0
0
0
0
0
0
0
1
4
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)

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

Chance of Frost

Temperature (°C)

8
8
8
8
8
8
9
9
9
9
10
10
9
9
8
8
8
8
8
7
7
7
7
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
98
98
98
96
95
93
90
88
90
95
95
95
95
95
94
93
93
93
91
91

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1020
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

297
300
303
305
308
311
309
304
301
298
296
294
293
291
294
297
298
298
298
298
293
287
291
291

Wednesday 10

Waning Gibbous 68%

22:30

11:52

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:46, Set: 15:52, Transit: 11:49. Moon - Rise: 22:30, Set: 11:52. Civil Dark: 16:30 - 07:07. Nautical Dark: 17:12 - 06:25. Astro Dark: 17:52 - 05:46

Total Clouds (% Sky Obscured)

100
100
100
90
87
76
76
56
54
61
67
93
100
100
100
100
65
87
93
98
100
83
78
70

Low Clouds (% Sky Obscured)

71
68
69
68
64
58
57
29
30
31
44
65
75
75
69
75
65
86
85
79
79
60
52
48

Medium Clouds (% Sky Obscured)

66
40
33
0
0
0
0
0
0
3
7
3
32
38
59
35
7
31
38
56
55
50
57
60

High Clouds (% Sky Obscured)

100
100
99
83
81
64
67
56
54
61
51
65
65
60
60
60
0
0
6
23
45
45
55
65

ISS Passover

Visibility (miles)

9
9
9
9
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

100
100
100
100
100
100
100
100
99
77
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
1
2
5
2
2
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)

3
3
2
3
3
2
2
2
3
4
4
4
3
2
2
2
2
2
2
2
2
3
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
4
4
3
3
3
4
5
6
6
7
5
5
4
4
4
7
5
5
5
5
5
5

Dew Point (°C)

5
5
5
5
4
4
4
4
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5

Relative Humidity (%)

91
93
93
94
94
94
94
88
85
81
78
79
85
90
90
90
90
90
90
88
90
91
93
93

Pressure (mb)

1018
1018
1019
1019
1019
1020
1020
1021
1021
1021
1020
1021
1021
1022
1022
1023
1023
1023
1024
1024
1024
1024
1024
1024

Ozone (du)

285
278
276
276
273
271
270
270
271
271
271
271
273
273
273
272
271
270
273
276
278
279
280
281

Thursday 11

Third Quarter 57%

23:45

12:06

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:47, Set: 15:52, Transit: 11:49. Moon - Rise: 23:45, Set: 12:06. Civil Dark: 16:30 - 07:08. Nautical Dark: 17:12 - 06:26. Astro Dark: 17:52 - 05:46

Total Clouds (% Sky Obscured)

98
99
100
99
100
100
100
100
90
85
76
77
71
49
58
64
65
82
83
67
65
63
64
70

Low Clouds (% Sky Obscured)

65
71
68
81
86
82
76
89
83
74
67
65
60
49
58
64
65
62
66
67
65
63
64
70

Medium Clouds (% Sky Obscured)

60
81
100
95
100
100
100
5
5
10
9
7
0
0
0
0
0
5
42
40
20
22
15
8

High Clouds (% Sky Obscured)

70
64
12
16
93
100
100
100
60
70
70
77
62
4
5
0
0
0
0
0
5
1
1
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
7
9
9
9
9
6

Fog (%)

0
0
0
9
36
95
100
80
60
13
4
0
0
1
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
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

15
28
24
13
4
1
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
1
2
1
2
2
3
3
3
4
3
3
2
2
2
1
2
2
1
1
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
4
4
3
4
4
4
4
5
6
7
6
6
5
6
5
4
4
3
3
3
3
3
3

Dew Point (°C)

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

Relative Humidity (%)

93
94
94
96
96
96
96
93
91
88
87
85
90
94
96
96
96
96
94
94
94
96
98
98

Pressure (mb)

1024
1024
1024
1024
1024
1025
1025
1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

281
281
278
272
270
271
273
276
277
277
278
284
288
290
292
291
291
294
294
294
294
294
293
294

Friday 12

Waning Crescent 47%

00:56

12:17

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

Sun - Rise: 07:48, Set: 15:52, Transit: 11:50. Moon - Rise: 00:56, Set: 12:17. Civil Dark: 16:30 - 07:09. Nautical Dark: 17:12 - 06:27. Astro Dark: 17:52 - 05:47

Total Clouds (% Sky Obscured)

75
74
72
72
69
70
76
75
69
53
45
38
32
33
35
37
38
39
40
46
48
50
50
55

Low Clouds (% Sky Obscured)

75
74
72
72
69
70
75
75
69
53
45
38
32
33
35
37
38
39
40
46
48
50
50
55

Medium Clouds (% Sky Obscured)

4
4
4
4
2
2
2
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)

5
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)

1
1
1
1
1
1
2
2
2
2
2
2
2
1
1
2
2
2
2
2
2
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
96
96
94
94
94
89
85
80
76
78
83
88
88
83
80
77
77
77
76
78
78
80

Pressure (mb)

1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1026
1026
1026
1027
1027
1027
1028
1028
1028
1028

Ozone (du)

296
296
296
297
296
297
297
297
295
295
295
293
292
291
293
296
298
300
302
302
302
300
299
299

Saturday 13

Waning Crescent 37%

02:07

12:29

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:49, Set: 15:52, Transit: 11:50. Moon - Rise: 02:07, Set: 12:29. Civil Dark: 16:30 - 07:10. Nautical Dark: 17:12 - 06:28. Astro Dark: 17:52 - 05:48

Total Clouds (% Sky Obscured)

50
55
55
57
61
61
56
57
55
55
65
59
81
57
100
94
84
79
72
81
89
96
97
99

Low Clouds (% Sky Obscured)

50
55
55
57
61
61
56
57
55
55
65
59
70
57
75
75
55
60
70
70
70
70
72
69

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
3
3
0
0
0
0
3
5
7
9
23
37
52
62
71

High Clouds (% Sky Obscured)

0
0
0
0
1
2
2
2
1
3
33
55
81
57
100
94
54
28
3
25
61
83
82
75

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
2
1
0
0
0
0
1
1

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
3
3
3
3
3
4
4
3
3
3
2
2
2
2
2
3
2
2
2
2

Chance of Frost

Temperature (°C)

1
1
1
1
1
1
1
2
3
3
3
3
3
2
2
2
1
1
1
1
1
1
1
1

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
83
84
86
86
88
88
81
77
76
76
79
83
88
89
88
88
88
88
89
89
88
88
88

Pressure (mb)

1028
1028
1028
1029
1029
1029
1029
1030
1029
1029
1029
1029
1029
1029
1029
1029
1029
1030
1030
1030
1030
1030
1030
1030

Ozone (du)

299
299
299
299
296
296
296
297
297
297
297
296
294
293
293
293
292
293
294
295
298
301
304
313

Sunday 14

Waning Crescent 28%

No Rise

12:41

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 07:49, Set: 15:52, Transit: 11:51. Moon - Rise: No Rise, Set: 12:41. Civil Dark: 16:30 - 07:11. Nautical Dark: 17:12 - 06:29. Astro Dark: 17:52 - 05:49

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
92
84
82
81
73
68
64
56
52
51
46
40
41
42
43
39
43

Low Clouds (% Sky Obscured)

67
75
87
99
99
100
100
91
83
74
67
60
48
48
48
43
43
43
40
41
42
43
39
43

Medium Clouds (% Sky Obscured)

81
71
58
44
28
13
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

69
46
20
0
20
45
67
45
24
1
4
7
9
7
6
4
3
2
1
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
11
12
8
13
12
5
8
6
0
0
0
0
2
0
0
1
0
0
3
2
2
1
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
1
1
1
1
1
2
2
3
2
2
2
2
2
3
3
3
3
3
2
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-1
-1
-1
-1
-1
-1
-0
1
-0
-1
-1
0
0
0
0
0
0
0
1
1
1
1
1
1

Relative Humidity (%)

86
88
84
83
83
83
83
85
77
73
68
75
79
85
86
88
89
89
91
91
91
91
91
93

Pressure (mb)

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

Ozone (du)

322
331
333
335
337
339
341
344
343
343
343
341
339
337
335
333
331
330
329
328
326
325
323
321

Monday 15

Waning Crescent 19%

03:17

12:55

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
00 Bad

Sun - Rise: 07:50, Set: 15:52, Transit: 11:51. Moon - Rise: 03:17, Set: 12:55. Civil Dark: 16:31 - 07:11. Nautical Dark: 17:13 - 06:29. Astro Dark: 17:53 - 05:50

Total Clouds (% Sky Obscured)

43
44
44
40
53
68
85
89
93
97
99
99
100
94
87
79
78
77
76
82
89
97

Low Clouds (% Sky Obscured)

43
44
44
40
53
62
67
72
72
72
76
76
81
82
70
67
62
68
69
76
86
96

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10
20
30
18
8
0

High Clouds (% Sky Obscured)

0
0
0
0
1
2
3
4
4
4
5
5
5
17
28
40
27
15
2
1
1
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

Fog (%)

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

Precipitation Probability (%)

0
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
93
93
93
89
84
81
76
73
68
74
81
89
89
92
92
92
92
91
89
89

Pressure (mb)

1029
1029
1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1027
1027
1027
1027
1026
1026
1027
1027
1026
1026

Ozone (du)

319
317
316
314
313
312
311
310
310
309
309
310
311
312
312
312
312
312
311
311
311
311

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

Generated: 09/12/25 03:38:42. Forecast: 09/12/25 to 15/12/25. Timezone: UTC+1.00