Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 13

Waning Crescent 30%

00:52

14:34

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

Sun - Rise: 08:20, Set: 15:53, Transit: 12:06. Moon - Rise: 00:52, Set: 14:34. Civil Dark: 16:42 - 07:31. Nautical Dark: 17:34 - 06:39. Astro Dark: 18:23 - 05:50

Total Clouds (% Sky Obscured)

92
94
95
95
25
25
16
3
3
9
12
11
19
38
32
60
75
72
20
18
28
80
83
100

Low Clouds (% Sky Obscured)

15
15
10
12
0
25
16
0
0
8
12
11
19
38
32
34
39
21
20
18
28
30
34
74

Medium Clouds (% Sky Obscured)

92
94
95
89
25
0
0
0
0
0
0
0
0
0
0
35
35
35
4
0
2
49
52
100

High Clouds (% Sky Obscured)

92
94
68
93
10
1
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 (%)

36
47
23
0
0
0
0
0
0
0
0
1
2
3
7
10
20
9
6
2
1
15
11
15

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
7
7
8
9
9
9
9
9
8
7
8
8
8
9
8
6
5
5
4
4
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
68
65
65
67
70
73
74
76
75
75
76
70
68
67
65
65
68
73
78
80
80
78
72

Pressure (mb)

994
994
995
995
996
997
998
999
999
1001
1002
1002
1003
1003
1003
1004
1004
1004
1005
1005
1005
1005
1005
1005

Ozone (du)

279
276
279
284
285
293
301
309
321
331
336
340
334
330
323
319
326
335
339
349
353
351
354
354

Friday 14

Waning Crescent 21%

02:18

14:32

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

Sun - Rise: 08:23, Set: 15:51, Transit: 12:07. Moon - Rise: 02:18, Set: 14:32. Civil Dark: 16:40 - 07:33. Nautical Dark: 17:32 - 06:41. Astro Dark: 18:22 - 05:52

Total Clouds (% Sky Obscured)

89
35
49
63
49
72
66
0
0
0
0
0
2
23
6
34
48
49
68
40
14
20
25
25

Low Clouds (% Sky Obscured)

50
35
48
61
37
53
32
0
0
0
0
0
0
0
5
28
29
36
49
26
5
0
0
10

Medium Clouds (% Sky Obscured)

89
0
0
2
29
35
40
0
0
0
0
0
0
23
0
10
29
27
39
1
1
14
15
20

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
2
40
14
20
25
25

ISS Passover

Visibility (miles)

9
9
9
9
5
1
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
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

37
34
7
6
24
17
2
0
0
1
0
0
0
1
2
4
4
5
4
1
0
0
1
2

Precipitation Amount (mm)

0
0.1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-5
-4
-4
-4
-6
-7
-8
-6
-5
-6
-5
-4
-3
-2
-2
-2
-3
-3
-3
-4
-4
-4
-4

Dew Point (°C)

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

Relative Humidity (%)

72
77
83
86
86
89
63
57
57
57
55
55
53
49
52
58
63
66
70
69
70
68
66
61

Pressure (mb)

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

Ozone (du)

357
358
357
358
354
355
358
359
352
333
325
319
313
310
305
304
301
298
298
297
296
294
295
295

Saturday 15

Waning Crescent 14%

03:42

14:31

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

Sun - Rise: 08:25, Set: 15:49, Transit: 12:07. Moon - Rise: 03:42, Set: 14:31. Civil Dark: 16:38 - 07:35. Nautical Dark: 17:31 - 06:43. Astro Dark: 18:20 - 05:54

Total Clouds (% Sky Obscured)

43
71
100
100
98
84
91
35
85
84
100
97
97
100
100
99
98
98
99
100
98
96
93
90

Low Clouds (% Sky Obscured)

1
1
1
1
42
34
31
29
32
5
63
63
41
63
32
36
44
38
54
69
79
78
78
78

Medium Clouds (% Sky Obscured)

43
57
100
61
82
80
86
30
75
84
71
62
72
71
73
72
77
91
90
86
87
85
83
82

High Clouds (% Sky Obscured)

30
59
100
24
12
1
2
2
0
0
0
1
51
81
81
9
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
3
3
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
Very Light Rain
None

Precipitation Probability (%)

2
0
0
0
4
4
6
9
21
11
17
6
9
11
14
16
27
31
28
39
50
50
58
58

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)

9
9
8
9
10
11
11
10
10
9
9
10
10
11
10
10
8
7
6
6
6
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
56
55
57
64
66
73
73
76
96
91
89
75
71
71
71
73
77
83
86
88
89
91
91

Pressure (mb)

1008
1007
1006
1005
1005
1004
1003
1002
1002
1001
1001
1001
1001
1000
1000
1000
1000
1000
999
999
999
999
999
999

Ozone (du)

300
304
303
304
304
304
304
304
308
309
310
307
306
307
306
304
304
303
304
306
306
305
304
301

Sunday 16

Waning Crescent 8%

05:07

14:30

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
22 Bad

Sun - Rise: 08:28, Set: 15:47, Transit: 12:07. Moon - Rise: 05:07, Set: 14:30. Civil Dark: 16:37 - 07:37. Nautical Dark: 17:29 - 06:45. Astro Dark: 18:19 - 05:55

Total Clouds (% Sky Obscured)

92
93
95
96
97
97
97
97
97
97
97
97
98
99
100
99
93
93
93
97
98
98
95
86

Low Clouds (% Sky Obscured)

78
78
78
69
61
52
60
68
76
79
81
83
84
84
83
83
83
91
87
78
65
58
60
58

Medium Clouds (% Sky Obscured)

85
87
90
91
92
93
79
67
54
65
77
88
92
96
98
94
76
76
76
67
51
50
50
55

High Clouds (% Sky Obscured)

0
0
0
0
0
0
17
36
54
34
20
3
2
1
0
1
1
1
1
3
7
8
10
1

ISS Passover

Visibility (miles)

3
2
1
8
7
8
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

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

Precipitation Probability (%)

64
67
68
60
48
32
42
47
36
45
39
23
44
50
43
71
89
95
89
85
85
78
68
52

Precipitation Amount (mm)

0.3
0.3
0.3
0.2
0
0
0
0
0
0
0
0
0
0.2
0
0.5
0.8
1
0.7
0.7
0.9
0.7
0.5
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
96
98
94
91
89
89
91
89
87
84
80
77
73
70
70
70
70
71
72
72
70
68
70

Pressure (mb)

999
999
999
999
999
999
999
999
999
999
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1001
1001

Ozone (du)

297
296
297
299
296
295
294
293
296
300
298
298
300
303
306
311
316
323
330
334
340
343
338
330

Monday 17

Waning Crescent 3%

06:33

14:29

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
22 Bad

Sun - Rise: 08:30, Set: 15:44, Transit: 12:07. Moon - Rise: 06:33, Set: 14:29. Civil Dark: 16:35 - 07:40. Nautical Dark: 17:28 - 06:47. Astro Dark: 18:17 - 05:57

Total Clouds (% Sky Obscured)

81
70
66
70
70
60
65
82
86
94
92
86
90
81
67
52
59
77
82
81
77
65
53
41

Low Clouds (% Sky Obscured)

62
62
62
66
66
60
65
82
86
92
92
86
86
80
67
52
59
77
82
74
65
57
48
40

Medium Clouds (% Sky Obscured)

55
56
57
60
60
60
46
32
20
15
10
5
20
38
54
51
49
52
44
34
22
14
7
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
4
14
11
11
5
2
2

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 (%)

44
34
19
19
15
6
7
5
2
5
5
4
6
6
5
14
15
11
9
6
1
3
2
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)

7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
8
8
8
8
8
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-3
-3
-3
-3
-4
-4
-4
-4
-5
-4
-4
-4
-4
-4
-3
-3
-3
-4
-4
-4
-4
-5
-7
-7

Dew Point (°C)

-6
-6
-6
-6
-6
-6
-6
-6
-6
-6
-6
-6
-6
-7
-7
-7
-7
-6
-6
-6
-5
-5
-5
-5

Relative Humidity (%)

70
70
68
71
72
74
74
76
76
78
78
76
71
66
63
66
69
74
79
81
82
84
86
87

Pressure (mb)

1001
1001
1000
1000
1000
1000
1000
1000
999
999
999
999
999
999
999
999
999
999
999
1000
1000
1000
1001
1002

Ozone (du)

326
326
325
323
321
319
318
315
313
314
316
318
317
312
306
304
305
307
308
312
315
319
318
318

Tuesday 18

Waning Crescent 1%

08:03

14:30

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

Sun - Rise: 08:32, Set: 15:42, Transit: 12:07. Moon - Rise: 08:03, Set: 14:30. Civil Dark: 16:33 - 07:42. Nautical Dark: 17:26 - 06:49. Astro Dark: 18:16 - 05:59

Total Clouds (% Sky Obscured)

45
49
51
45
40
34
34
34
32
37
44
49
50
49
54
64
73
68
71
75
68
76
81
100

Low Clouds (% Sky Obscured)

44
48
51
45
40
34
27
15
0
11
23
34
33
34
43
54
56
45
37
28
19
32
48
69

Medium Clouds (% Sky Obscured)

0
0
0
0
1
1
10
19
28
36
44
49
50
48
50
36
24
16
20
17
13
21
27
34

High Clouds (% Sky Obscured)

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

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 (%)

2
2
1
2
1
0
0
0
0
0
0
0
3
5
6
15
16
11
14
13
12
14
13
4

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
89
89
87
87
85
85
84
84
84
79
75
70
69
67
64
67
69
72
72
73
76
75
75

Pressure (mb)

1002
1003
1003
1004
1005
1005
1006
1006
1007
1007
1008
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1011

Ozone (du)

317
316
314
313
313
313
313
314
315
315
316
317
318
320
322
324
326
329
331
332
332
332
331
329

Wednesday 19

Waning Crescent 0%

09:37

14:33

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

Sun - Rise: 08:35, Set: 15:41, Transit: 12:08. Moon - Rise: 09:37, Set: 14:33. Civil Dark: 16:32 - 07:44. Nautical Dark: 17:25 - 06:51. Astro Dark: 18:15 - 06:01

Total Clouds (% Sky Obscured)

99
98
97
98
99
100
100
100
100
99
98
95
96
97
99
98
97
96
97
96
95

Low Clouds (% Sky Obscured)

68
60
44
53
63
74
71
67
65
67
76
75
75
76
76
70
68
66
68
65
63

Medium Clouds (% Sky Obscured)

56
77
97
98
99
99
99
100
100
86
69
50
44
52
51
71
81
87
90
93
95

High Clouds (% Sky Obscured)

4
8
16
13
6
4
16
28
40
30
20
10
36
62
89
72
55
38
53
69
84

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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None

Precipitation Probability (%)

13
15
11
32
38
39
53
65
72
77
82
89
76
60
38
35
28
7
9
10
7

Precipitation Amount (mm)

0
0
0
0
0
0
0.1
0.3
0.4
0.4
0.5
0.6
0.4
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-7
-7
-7
-8
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-6
-6
-6
-6

Relative Humidity (%)

75
75
75
73
75
75
76
76
76
76
73
72
71
69
67
66
69
71
74
75
75

Pressure (mb)

1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1012

Ozone (du)

328
325
323
320
318
316
313
312
311
310
309
309
308
308
309
310
310
310
310
311
312

Forecast for Vols, Helsinki, Finland (60.17,24.39)

Generated: 13/11/25 23:18:09. Forecast: 13/11/25 to 19/11/25. Timezone: UTC+2.00