Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 31

Waning Gibbous 84%

20:32

10:28

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
06 Bad
07 Bad

Sun - Rise: 06:17, Set: 20:08, Transit: 13:11. Moon - Rise: 20:32, Set: 10:28. Civil Dark: 20:47 - 05:38. Nautical Dark: 21:37 - 04:49. Astro Dark: 22:34 - 03:52

Total Clouds (% Sky Obscured)

38
47
46
100
99
100
100
100
94
98
98
100
100
100
92
86
96
95
94
58
58
57
42
44

Low Clouds (% Sky Obscured)

38
47
46
46
37
55
52
48
52
52
36
37
30
37
39
38
37
47
56
54
58
49
42
43

Medium Clouds (% Sky Obscured)

37
41
46
82
27
83
99
100
70
46
92
92
47
43
53
49
45
19
30
14
16
12
3
0

High Clouds (% Sky Obscured)

38
10
46
100
99
99
100
100
87
84
92
100
100
100
87
53
93
78
57
8
0
0
0
0

ISS Passover

Visibility (miles)

9
8
4
7
9
8
2
9
9
2
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

51
43
95
85
87
95
95
95
95
87
73
51
16
18
16
14
13
7
9
7
4
4
5
5

Precipitation Amount (mm)

0
0
0.8
0.4
0.4
1.3
0.8
0.7
0.7
0.7
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
6
7
9
9
11
12
12
11
11
11
9
9
7
8
8
8
7
7
7
7
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
16
18
17
18
18
16
17
17
17
16
16
15
15
15
15
14
14
14
13
15
14
14
15

Dew Point (°C)

13
14
14
13
12
13
13
13
13
13
14
14
14
14
14
14
14
14
14
14
14
13
14
14

Relative Humidity (%)

92
85
77
70
62
62
67
69
70
70
76
81
83
89
90
93
93
95
93
95
95
95
96
95

Pressure (mb)

1008
1008
1008
1007
1007
1006
1007
1007
1007
1006
1006
1006
1007
1007
1007
1008
1008
1008
1008
1008
1008
1009
1009
1009

Ozone (du)

312
313
316
320
322
321
319
320
320
320
322
322
323
323
322
322
324
324
322
319
318
320
325
322

Tuesday 1

Waning Gibbous 74%

20:42

11:58

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 OK
23 Bad
00 Bad
01 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:19, Set: 20:05, Transit: 13:11. Moon - Rise: 20:42, Set: 11:58. Civil Dark: 20:44 - 05:40. Nautical Dark: 21:33 - 04:51. Astro Dark: 22:30 - 03:55

Total Clouds (% Sky Obscured)

52
77
91
92
93
97
100
100
100
100
99
99
81
64
33
83
74
20
60
74
80
91
95
100

Low Clouds (% Sky Obscured)

50
69
53
41
38
38
39
40
49
36
34
38
38
37
18
20
5
12
20
34
44
44
66
66

Medium Clouds (% Sky Obscured)

0
9
23
11
9
12
94
96
100
100
97
99
56
18
8
2
0
0
0
1
14
24
29
28

High Clouds (% Sky Obscured)

0
3
57
60
77
91
100
100
98
53
15
14
0
0
2
75
55
2
51
65
60
81
65
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
5
9
5
5
8
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
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

4
4
4
7
7
10
26
60
65
58
65
63
37
29
16
0
0
0
0
0
2
5
4
14

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
17
17
18
19
19
19
19
19
18
18
17
16
16
15
15
14
14
13
13
13
14
14
14

Feels Like (°C)

16
16
16
16
16
16
16
16
16
16
16
15
15
15
14
14
12
12
12
11
11
12
12
12

Dew Point (°C)

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

Relative Humidity (%)

93
86
78
65
56
55
56
59
60
65
67
73
79
83
83
87
84
84
89
93
93
93
93
92

Pressure (mb)

1010
1010
1011
1011
1011
1012
1012
1012
1012
1012
1012
1013
1013
1014
1014
1015
1015
1015
1015
1015
1014
1014
1014
1014

Ozone (du)

320
318
317
316
315
315
315
315
316
317
318
317
317
319
317
316
316
316
316
316
317
316
316
317

Wednesday 2

Waning Gibbous 63%

20:57

13:32

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 OK
21 Good
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:21, Set: 20:03, Transit: 13:11. Moon - Rise: 20:57, Set: 13:32. Civil Dark: 20:42 - 05:42. Nautical Dark: 21:30 - 04:54. Astro Dark: 22:26 - 03:58

Total Clouds (% Sky Obscured)

100
100
100
100
96
100
100
100
100
100
100
99
33
7
21
27
35
22
31
39
76
82
88
94

Low Clouds (% Sky Obscured)

72
66
60
59
34
59
87
90
83
26
55
60
21
3
15
17
3
10
17
25
35
36
27
38

Medium Clouds (% Sky Obscured)

43
98
97
98
83
97
94
94
100
100
100
99
15
4
4
4
4
4
0
0
0
0
0
5

High Clouds (% Sky Obscured)

100
100
100
100
94
77
64
80
100
100
52
5
0
2
3
2
35
9
6
2
40
56
74
91

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
9
4
9
6
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
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

25
41
42
48
60
57
74
92
73
62
46
6
2
1
0
0
0
0
0
0
0
0
3
6

Precipitation Amount (mm)

0
0
0
0
0.3
0
0.4
0.7
0.4
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
15
14
15
15
16
16
14
13
12
12
10
10
9
8
9
9
9
8
8
8
7
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
79
73
67
63
58
56
69
86
83
78
81
82
83
82
78
79
79
81
83
86
87
89
89

Pressure (mb)

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

Ozone (du)

318
319
319
322
324
324
322
321
321
323
323
324
323
323
323
322
321
319
319
320
323
323
324
325

Thursday 3

Waning Gibbous 52%

21:21

15:07

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
06 Bad
07 Bad

Sun - Rise: 06:23, Set: 20:00, Transit: 13:10. Moon - Rise: 21:21, Set: 15:07. Civil Dark: 20:39 - 05:44. Nautical Dark: 21:27 - 04:56. Astro Dark: 22:23 - 04:01

Total Clouds (% Sky Obscured)

83
84
79
84
92
100
100
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

41
46
72
72
52
75
70
73
54
55
18
8
14
21
28
24
22
19
44
84
55
75
88
82

Medium Clouds (% Sky Obscured)

42
22
79
44
86
99
95
97
79
19
22
17
15
100
100
99
99
88
96
85
97
93
87
82

High Clouds (% Sky Obscured)

43
72
60
60
65
69
76
85
96
97
98
100
100
100
100
85
73
65
66
71
72
81
92
100

ISS Passover

Visibility (miles)

9
9
7
9
9
6
7
5
7
8
2
6
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
Very Light Rain
None
None
None
Very Light Rain
Light Rain
None
Light Rain
Light Rain
Light Rain
None
None
None
None
None
Very Light Rain
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

21
52
63
57
57
55
70
83
60
76
95
68
48
27
33
42
50
57
55
47
43
44
46
79

Precipitation Amount (mm)

0
0
0.2
0
0
0
0.2
0.4
0
0.6
0.8
0.5
0
0
0
0
0
0.2
0
0
0
0
0
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
14
15
15
15
17
16
16
17
17
17
17
16
16
16
16
15
15
15
15
15
15
15
15

Feels Like (°C)

11
13
14
15
15
17
16
16
17
17
16
16
15
13
13
13
12
12
11
12
12
12
12
13

Dew Point (°C)

10
11
12
13
13
14
15
15
15
14
14
14
14
14
14
14
13
13
13
13
13
13
13
12

Relative Humidity (%)

86
82
80
89
87
82
92
92
92
82
81
86
89
89
89
87
86
87
87
89
89
89
86
84

Pressure (mb)

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

Ozone (du)

324
323
320
321
322
321
322
323
324
321
318
316
312
312
312
312
312
312
309
308
307
305
304
303

Friday 4

Third Quarter 40%

22:02

16:33

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
06 Bad
07 Bad

Sun - Rise: 06:25, Set: 19:58, Transit: 13:10. Moon - Rise: 22:02, Set: 16:33. Civil Dark: 20:36 - 05:46. Nautical Dark: 21:24 - 04:59. Astro Dark: 22:19 - 04:05

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
83
86
88
90
62
63
54
52
49
47
45
43
48
52
58
57
57
56

Low Clouds (% Sky Obscured)

92
91
91
88
83
71
53
54
55
58
24
26
29
23
15
18
17
22
31
35
38
43
46
51

Medium Clouds (% Sky Obscured)

83
85
87
91
88
89
20
25
28
32
30
28
6
4
0
3
5
6
13
18
24
19
14
8

High Clouds (% Sky Obscured)

100
100
100
100
53
55
65
70
70
65
62
63
46
52
49
47
26
1
1
1
0
0
0
0

ISS Passover

Visibility (miles)

7
6
2
3
9
9
9
9
7
6
8
9
9
9
9
9
9
9
9
9
8
8
8
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
None
None
None
None
Very Light Rain
Very Light Rain
None
None
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
64
28
13
19
41
54
57
41
36
95
72
19
18
18
17
25
30
32
33
35
37

Precipitation Amount (mm)

0.5
0.8
1.7
0.3
0
0
0
0
0.2
0.2
0
0
0.6
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
15
15
16
16
17
17
17
17
17
16
16
15
15
15
14
14
14
14
13
13
14
14

Feels Like (°C)

12
13
14
13
14
14
14
15
14
14
13
14
13
13
13
13
12
12
12
11
11
12
11
11

Dew Point (°C)

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

Relative Humidity (%)

87
90
90
92
86
83
83
73
73
78
78
78
79
79
79
79
83
86
90
90
90
89
86
83

Pressure (mb)

1005
1005
1005
1005
1004
1005
1005
1005
1005
1005
1004
1005
1005
1004
1004
1005
1005
1005
1005
1005
1005
1005
1005
1005

Ozone (du)

304
305
305
311
322
330
334
331
333
332
333
334
335
337
338
340
340
341
342
342
343
344
345
346

Saturday 5

Waning Crescent 38%

23:08

17:39

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
06 Bad
07 Bad

Sun - Rise: 06:27, Set: 19:55, Transit: 13:10. Moon - Rise: 23:08, Set: 17:39. Civil Dark: 20:33 - 05:48. Nautical Dark: 21:21 - 05:01. Astro Dark: 22:15 - 04:08

Total Clouds (% Sky Obscured)

51
47
42
54
62
70
68
72
71
61
52
41
44
48
51
48
44
41
49
55
59
55
50
52

Low Clouds (% Sky Obscured)

44
36
29
49
62
70
68
71
66
53
41
30
36
43
48
46
43
39
47
54
59
54
50
52

Medium Clouds (% Sky Obscured)

5
3
1
1
1
2
7
16
31
25
16
7
5
3
1
2
3
4
3
2
1
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
1
1
6
14
20
15
10
7
6
3
0
0
0
0
0
0
0
0
0
1

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

36
36
38
45
54
60
69
76
83
72
62
52
45
39
33
35
44
53
47
43
34
22
19
23

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
15
15
16
16
16
16
16
16
16
16
15
15
15
14
14
14
14
13
13
13
13
14
14

Feels Like (°C)

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

Dew Point (°C)

11
11
10
10
11
11
12
12
12
12
12
12
12
12
11
11
11
11
11
11
10
10
10
10

Relative Humidity (%)

80
76
72
67
72
74
79
78
77
75
77
79
80
82
82
83
84
84
84
83
82
79
80
80

Pressure (mb)

1006
1006
1006
1006
1006
1006
1006
1007
1007
1008
1009
1010
1010
1011
1012
1013
1014
1015
1015
1016
1016
1017
1017
1018

Ozone (du)

347
348
350
351
351
350
350
350
350
351
351
351
352
350
349
347
347
347
347
342
337
332
328
325

Sunday 6

Waning Crescent 28%

00:35

18:21

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

Sun - Rise: 06:29, Set: 19:52, Transit: 13:09. Moon - Rise: 00:35, Set: 18:21. Civil Dark: 20:31 - 05:50. Nautical Dark: 21:18 - 05:03. Astro Dark: 22:11 - 04:10

Total Clouds (% Sky Obscured)

62
72
83
81
79
75
69
65
64
62
58
53
66
79
92
95
97
100

Low Clouds (% Sky Obscured)

62
72
75
61
47
32
27
22
21
23
22
22
19
21
25
36
47
57

Medium Clouds (% Sky Obscured)

0
0
0
4
8
12
16
20
21
19
12
7
22
37
51
53
54
55

High Clouds (% Sky Obscured)

16
28
39
41
40
39
31
21
17
16
16
17
37
58
78
85
93
100

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

20
15
4
9
8
7
4
3
1
2
2
0
1
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

Wind Speed/Direction (mph)

15
15
16
17
17
16
16
16
16
15
13
12
10
9
9
8
8
8

Chance of Frost

Temperature (°C)

14
14
15
16
16
17
17
18
18
18
17
16
15
14
14
14
13
13

Feels Like (°C)

10
10
11
12
11
12
12
15
15
15
15
15
16
12
12
12
12
12

Dew Point (°C)

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

Relative Humidity (%)

80
79
78
75
71
65
61
59
56
54
59
65
70
71
73
74
75
76

Pressure (mb)

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

Ozone (du)

321
320
319
317
314
311
308
306
304
301
300
299
298
298
297
297
295
294

Forecast for Frederikssund, Frederikssund Kommune, Kingdom of Denmark (55.84,12.06)

Generated: 31/08/26 08:02:32. Forecast: 31/08/26 to 06/09/26. Timezone: UTC+2.00