Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 8

Waning Gibbous 87%

19:12

12:42

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
23 Bad

Sun - Rise: 09:12, Set: 15:16, Transit: 12:14. Moon - Rise: 19:12, Set: 12:42. Civil Dark: 16:13 - 08:15. Nautical Dark: 17:09 - 07:19. Astro Dark: 18:00 - 06:28

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

97
100
93
87
96
100
100
100
100
100
100
100
100
100
95
100
100
100
100
96
96
100
99
98

Medium Clouds (% Sky Obscured)

100
45
60
57
52
60
54
57
51
65
51
44
52
60
66
59
99
100
100
100
99
99
100
100

High Clouds (% Sky Obscured)

100
100
10
1
0
1
0
1
0
0
37
43
99
100
100
96
61
39
100
74
86
17
100
51

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
9
9
9
3
5
6
7
1
0

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

100
100
100
100
100
100
0
0
0
0
0
0
0
0
0
0
8
66
89
84
87
95
95
95

Precipitation Amount (mm)

0.2
0.1
0.2
0.3
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0.3
0.8
0.6
0.6
1
1.1
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
93
93
94
94
94
92
93
93
94
92
92
93
93
91
94
94
94
94
93
94
93
94
96

Pressure (mb)

1015
1015
1015
1015
1014
1014
1013
1013
1013
1013
1013
1013
1013
1012
1011
1010
1010
1009
1008
1007
1006
1006
1005
1004

Ozone (du)

288
288
294
295
291
290
292
288
286
284
278
270
266
261
261
264
262
262
261
265
268
272
275
277

Tuesday 9

Waning Gibbous 78%

20:57

12:45

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
23 Bad

Sun - Rise: 09:14, Set: 15:16, Transit: 12:15. Moon - Rise: 20:57, Set: 12:45. Civil Dark: 16:12 - 08:17. Nautical Dark: 17:09 - 07:20. Astro Dark: 18:00 - 06:29

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
100
100
100
100
100
100
98
97
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
97
100
100
97
98
97
96
97
100
100
100
100
100
92
95
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
89
99
67
50
77
78
75
55
44
24
25
23
5
8
6
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
65
40
15
5
1
0
0
0
0
0
1
1
0
0
0
0
0
0

ISS Passover

Visibility (miles)

3
4
1
1
3
1
4
0
1
3
9
9
1
2
9
9
9
9
9
9
7
3
0
4

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
1
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
95
95
76
69
64
47
43
39
29
22
17
7
17
6
1
0
0
0
3

Precipitation Amount (mm)

1
1.1
1.7
1.6
1.6
1.1
1
0.3
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
12
11
10
11
10
11
10
9
10
9
7
6
7
7
7
7
7
7
7
7
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
96
96
94
96
96
96
96
96
94
96
98
96
96
94
93
93
93
93
94
96
98
91

Pressure (mb)

1003
1001
1000
999
998
997
995
995
994
995
996
997
997
998
998
999
1000
1001
1002
1002
1003
1004
1004
1005

Ozone (du)

279
280
279
278
278
278
277
281
282
280
278
278
279
281
285
285
281
282
283
288
289
292
295
300

Wednesday 10

Waning Gibbous 68%

22:33

12:45

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
23 Bad

Sun - Rise: 09:15, Set: 15:15, Transit: 12:15. Moon - Rise: 22:33, Set: 12:45. Civil Dark: 16:12 - 08:18. Nautical Dark: 17:09 - 07:21. Astro Dark: 18:00 - 06:30

Total Clouds (% Sky Obscured)

100
100
100
94
99
100
100
100
100
100
100
100
100
98
100
100
94
87
88
90
65
70
78
91

Low Clouds (% Sky Obscured)

100
100
100
94
96
96
96
87
87
90
87
78
82
94
100
100
90
84
87
90
65
70
78
91

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
47
86
86
96
100
100
100
94
100
65
29
4
39
0
0
0
0
0

High Clouds (% Sky Obscured)

0
10
39
44
91
100
100
100
100
100
100
100
100
20
20
25
30
35
35
40
24
6
2
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
9
9
9
5
0
0
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

2
4
2
1
1
1
0
0
0
0
3
2
34
68
95
81
54
57
46
8
1
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.9
0.4
0
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
6
4
2
2
3
3
3
3
4
6
7
8
9
9
12
11
12
12
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
85
82
86
82
85
88
89
93
91
93
91
88
89
91
89
91
94
94
96
98
93
87
85

Pressure (mb)

1006
1006
1006
1006
1007
1007
1007
1007
1006
1006
1006
1005
1005
1004
1002
1001
1000
999
998
998
998
998
998
999

Ozone (du)

294
293
295
296
294
287
287
290
291
279
268
264
264
262
258
261
261
263
264
265
265
267
270
275

Thursday 11

Third Quarter 57%

00:03

12:44

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
23 Bad

Sun - Rise: 09:16, Set: 15:15, Transit: 12:15. Moon - Rise: 00:03, Set: 12:44. Civil Dark: 16:12 - 08:19. Nautical Dark: 17:08 - 07:22. Astro Dark: 18:00 - 06:31

Total Clouds (% Sky Obscured)

96
100
100
100
98
100
100
100
95
91
86
85
84
83
89
94
100
97
94
91
94
97
100
100

Low Clouds (% Sky Obscured)

93
97
97
97
96
100
90
85
82
79
76
75
74
73
79
85
91
91
91
91
94
97
100
100

Medium Clouds (% Sky Obscured)

0
0
0
1
33
100
100
100
85
70
57
32
24
27
52
74
100
67
37
5
16
32
46
44

High Clouds (% Sky Obscured)

1
2
0
0
1
100
65
19
18
21
27
0
29
55
50
40
35
35
30
30
35
30
30
25

ISS Passover

Visibility (miles)

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

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

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
1
2
3
14
21
16
18
15
15
12
7
10
14
23
35
45
46
54
47
34
26

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)

11
11
11
10
11
11
10
9
9
8
8
8
8
7
6
5
4
3
2
2
2
4
5
6

Chance of Frost

Temperature (°C)

6
6
5
5
5
5
6
6
5
6
6
6
6
6
6
6
5
5
5
5
5
5
5
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
90
90
93
94
90
88
85
88
90
90
90
90
90
91
91
94
98
98
98
98
98
96
94

Pressure (mb)

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

Ozone (du)

278
282
299
313
315
321
339
343
345
345
347
349
336
328
321
323
323
321
320
321
322
320
317
318

Friday 12

Waning Crescent 47%

00:03

12:43

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 OK
20 OK
21 Bad
22 Bad
23 Bad

Sun - Rise: 09:18, Set: 15:14, Transit: 12:16. Moon - Rise: 00:03, Set: 12:43. Civil Dark: 16:11 - 08:20. Nautical Dark: 17:08 - 07:23. Astro Dark: 18:00 - 06:32

Total Clouds (% Sky Obscured)

99
98
100
100
100
89
78
67
67
68
71
73
77
78
79
81
86
72
54
37
45
56
68
69

Low Clouds (% Sky Obscured)

99
98
100
100
100
89
78
67
67
68
71
73
73
74
75
77
80
63
46
30
45
56
68
69

Medium Clouds (% Sky Obscured)

35
23
17
9
0
0
0
0
0
44
45
2
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
7
1
0
0
0
0
0
4
9
9
9
9
9
9

Fog (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

28
27
21
18
11
10
9
4
5
22
32
35
38
42
41
45
29
9
4
2
1
2
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
8
10
10
10
10
10
9
8
7
7
9
10
10
9
10
11
11
10
10
10
10
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
3
2
2
1
1
1
-0
0
-0
-0
0
-0
-1
-1
-1
-3
-5
-6
-7
-8
-9
-10
-11

Relative Humidity (%)

94
96
96
94
94
94
94
93
94
94
94
94
94
94
98
96
91
84
78
73
72
69
62
57

Pressure (mb)

1002
1002
1003
1004
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1019
1020
1021
1023
1024
1025
1026
1027

Ozone (du)

318
318
311
309
310
310
312
313
312
310
308
307
303
301
300
297
295
293
294
296
297
299
300
301

Saturday 13

Waning Crescent 37%

01:28

12:42

00 Bad
01 Bad
02 OK
03 OK
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

Sun - Rise: 09:19, Set: 15:14, Transit: 12:16. Moon - Rise: 01:28, Set: 12:42. Civil Dark: 16:11 - 08:21. Nautical Dark: 17:08 - 07:24. Astro Dark: 18:00 - 06:33

Total Clouds (% Sky Obscured)

61
51
42
46
57
68
77
87
86
86
85
83
76
69
64
64
60
60
65
70
85
90
95
91

Low Clouds (% Sky Obscured)

61
51
42
46
57
50
36
22
16
11
5
12
20
26
34
48
56
60
65
70
77
72
66
67

Medium Clouds (% Sky Obscured)

0
0
2
4
6
29
54
79
80
81
77
80
76
69
64
64
60
60
65
70
71
73
75
78

High Clouds (% Sky Obscured)

0
0
1
2
2
4
2
1
0
0
0
0
0
0
19
39
58
60
65
70
76
81
95
79

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 (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

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
2
3
3
5

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)

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

Chance of Frost

Temperature (°C)

-4
-4
-4
-4
-4
-4
-4
-5
-5
-5
-5
-5
-4
-4
-4
-4
-4
-5
-4
-4
-4
-4
-4
-4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

52
48
49
53
57
61
61
61
61
61
60
59
58
58
58
60
62
66
68
69
72
70
70
70

Pressure (mb)

1028
1029
1030
1030
1031
1031
1032
1032
1033
1033
1034
1034
1034
1035
1035
1035
1035
1034
1034
1034
1034
1034
1034
1034

Ozone (du)

300
298
297
296
296
296
298
300
303
303
304
304
306
308
310
310
309
308
309
310
311
310
309
308

Sunday 14

Waning Crescent 28%

02:53

12:41

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
23 Bad

Sun - Rise: 09:20, Set: 15:14, Transit: 12:17. Moon - Rise: 02:53, Set: 12:41. Civil Dark: 16:11 - 08:22. Nautical Dark: 17:08 - 07:25. Astro Dark: 18:00 - 06:34

Total Clouds (% Sky Obscured)

92
87
66
52
51
60
69
83
89
98
100
97
93
90
86
82
78
85
93
100
100
100
100
100

Low Clouds (% Sky Obscured)

64
54
42
38
46
56
66
76
77
79
72
67
39
27
21
19
20
26
21
14
11
8
3
2

Medium Clouds (% Sky Obscured)

84
83
66
52
51
55
64
73
81
89
99
96
92
86
84
82
65
64
71
74
83
94
100
99

High Clouds (% Sky Obscured)

72
62
66
52
51
60
69
83
84
68
50
35
17
0
6
10
15
43
72
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 (%)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Precipitation Type

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

Precipitation Probability (%)

5
2
6
8
6
14
25
46
46
46
49
43
31
19
19
13
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
69
69
69
69
67
69
70
72
72
72
72
69
66
65
64
64
63
63
60
60
59
59
58

Pressure (mb)

1033
1033
1033
1032
1032
1032
1032
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1030
1030
1030
1030
1030
1030

Ozone (du)

309
309
309
307
306
304
306
307
309
309
309
310
318
327
336
347
358
370
377
384
391
393
396
399

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

Generated: 08/12/25 15:54:06. Forecast: 08/12/25 to 14/12/25. Timezone: UTC+2.00