Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 20

New Moon 0%

10:19

13:51

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 OK
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good

Sun - Rise: 08:43, Set: 14:48, Transit: 11:45. Moon - Rise: 10:19, Set: 13:51. Civil Dark: 15:43 - 07:47. Nautical Dark: 16:38 - 06:52. Astro Dark: 17:29 - 06:01

Total Clouds (% Sky Obscured)

44
48
51
72
71
100
100
100
86
71
76
71
46
25
25
28
24
7
2
1
2
2
1
1

Low Clouds (% Sky Obscured)

44
48
51
66
69
94
100
100
84
71
76
71
46
25
19
22
4
1
1
1
1
1
1
1

Medium Clouds (% Sky Obscured)

0
0
0
0
18
71
74
1
0
0
0
0
0
0
2
7
10
4
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
0
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
1
0
4
12
5
6
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
75
70
66
69
74
70
71
70
73
78
81
82
83
83
80
76
75
75
73
73
75
75
77

Pressure (mb)

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

Ozone (du)

321
303
284
275
277
274
275
273
277
279
281
280
279
280
275
275
276
276
268
269
266
267
276
279

Sunday 21

Waxing Crescent 2%

10:47

15:11

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

Sun - Rise: 08:43, Set: 14:48, Transit: 11:46. Moon - Rise: 10:47, Set: 15:11. Civil Dark: 15:44 - 07:48. Nautical Dark: 16:39 - 06:52. Astro Dark: 17:29 - 06:02

Total Clouds (% Sky Obscured)

1
0
0
5
0
0
0
0
0
57
67
73
91
72
53
72
73
69
44
44
44
56
53
44

Low Clouds (% Sky Obscured)

1
0
0
5
0
0
0
0
0
0
14
14
16
14
15
17
18
17
20
19
13
14
15
14

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
1
2
5
18
31
32
25
26

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
49
66
73
76
46
21
40
50
50
23
17
44
50
53
44

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
80
82
83
85
83
82
80
80
80
83
83
83
84
84
86
84
84
86
86
84
83
83
81

Pressure (mb)

1016
1017
1017
1018
1018
1019
1019
1019
1019
1020
1020
1020
1020
1020
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

275
272
276
274
272
270
269
266
263
264
267
270
274
275
276
277
282
284
286
287
290
292
295
296

Monday 22

Waxing Crescent 6%

11:00

16:44

05 OK
06 Good
07 OK
08 OK
09 OK
10 OK
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

Sun - Rise: 08:43, Set: 14:49, Transit: 11:46. Moon - Rise: 11:00, Set: 16:44. Civil Dark: 15:44 - 07:48. Nautical Dark: 16:40 - 06:53. Astro Dark: 17:30 - 06:02

Total Clouds (% Sky Obscured)

29
14
21
27
30
39
85
82
67
79
91
65
52
53
81
69
87
83
86
87
87
86
85
78

Low Clouds (% Sky Obscured)

8
2
11
21
23
21
40
40
36
55
75
53
38
48
77
62
83
73
74
77
76
76
77
71

Medium Clouds (% Sky Obscured)

15
11
5
3
1
13
69
50
33
20
20
15
14
15
25
11
1
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

29
14
3
6
8
8
24
44
52
64
45
35
33
3
2
0
0
0
0
1
1
1
1
1

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
1
0
1
4
3
5
2
4
2
1
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)

4
4
4
4
4
4
5
4
4
5
5
5
6
7
8
10
9
9
9
8
9
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
83
83
83
83
81
78
77
78
81
86
89
92
94
89
77
73
73
72
74
67
66
63
63

Pressure (mb)

1022
1022
1023
1023
1023
1023
1024
1024
1024
1024
1025
1025
1025
1026
1026
1027
1028
1028
1029
1029
1030
1030
1030
1031

Ozone (du)

298
303
308
310
311
311
310
312
316
319
321
324
329
331
331
331
331
334
341
343
341
333
322
320

Tuesday 23

Waxing Crescent 11%

11:06

18:18

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

Sun - Rise: 08:44, Set: 14:49, Transit: 11:47. Moon - Rise: 11:06, Set: 18:18. Civil Dark: 15:45 - 07:48. Nautical Dark: 16:40 - 06:53. Astro Dark: 17:31 - 06:03

Total Clouds (% Sky Obscured)

65
36
34
34
34
28
13
10
16
21
19
18
29
40
39
36
33
42
55
63
58
52
43
43

Low Clouds (% Sky Obscured)

57
34
33
33
33
27
13
10
10
8
4
0
1
0
0
1
1
1
1
1
1
0
0
9

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
3
6
7
12
11
15
21
28
25
35
46
53
49
41
41
37

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
5
7
3
5
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
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
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
68
68
67
64
62
59
56
56
58
62
63
63
63
63
61
63
63
64
65
65
65
65
66

Pressure (mb)

1031
1031
1032
1032
1033
1034
1034
1034
1034
1034
1035
1035
1035
1035
1035
1036
1036
1036
1036
1036
1036
1036
1036
1036

Ozone (du)

321
322
324
329
333
334
339
346
348
344
339
335
330
326
322
320
318
315
312
310
311
313
313
316

Wednesday 24

Waxing Crescent 19%

11:09

19:51

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

Sun - Rise: 08:44, Set: 14:50, Transit: 11:47. Moon - Rise: 11:09, Set: 19:51. Civil Dark: 15:45 - 07:49. Nautical Dark: 16:41 - 06:53. Astro Dark: 17:31 - 06:03

Total Clouds (% Sky Obscured)

41
37
46
61
66
68
63
62
48
34
21
29
38
38
8
7
6
7
8
12
9
6
4
9

Low Clouds (% Sky Obscured)

19
28
35
44
49
51
49
44
34
22
15
13
9
2
4
4
3
3
3
4
4
3
4
5

Medium Clouds (% Sky Obscured)

22
1
1
0
0
1
0
1
1
0
1
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
1
0
17
33
38
4
4
4
6
7
9
5
2
1
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
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)

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

Chance of Frost

Temperature (°C)

-4
-4
-4
-4
-4
-4
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3

Feels Like (°C)

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

Dew Point (°C)

-9
-9
-10
-9
-9
-10
-9
-8
-8
-7
-7
-7
-6
-6
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5

Relative Humidity (%)

66
66
66
66
66
64
64
65
68
71
75
76
78
82
84
84
84
84
84
84
84
84
84
87

Pressure (mb)

1036
1036
1036
1036
1036
1037
1037
1037
1037
1037
1037
1037
1037
1037
1037
1039
1039
1040
1039
1039
1039
1039
1039
1039

Ozone (du)

317
319
323
326
328
326
326
324
322
318
313
306
302
299
299
299
300
300
300
300
300
304
307
311

Thursday 25

Waxing Crescent 28%

11:10

21:22

05 OK
06 OK
07 OK
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

Sun - Rise: 08:44, Set: 14:51, Transit: 11:48. Moon - Rise: 11:10, Set: 21:22. Civil Dark: 15:46 - 07:49. Nautical Dark: 16:42 - 06:54. Astro Dark: 17:32 - 06:03

Total Clouds (% Sky Obscured)

14
20
34
52
67
73
74
85
80
82
87
90
96
100
100
100
100
97
94
89
80
61
49
63

Low Clouds (% Sky Obscured)

5
5
5
5
5
3
2
0
0
0
0
1
2
3
8
11
12
9
7
7
12
15
26
45

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
1
6
32
51
70
65
60
56
63
70
77
75
74
72
69
61
49
49

High Clouds (% Sky Obscured)

6
8
14
14
19
29
26
17
26
35
41
60
79
100
100
100
100
68
39
13
11
8
6
34

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)

5
5
5
5
5
5
5
5
5
5
5
5
5
5
6
6
6
7
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
87
87
86
86
84
83
83
83
83
83
83
84
84
84
83
83
83
81
81
81
80
78

Pressure (mb)

1039
1039
1038
1038
1038
1038
1038
1038
1037
1037
1037
1036
1036
1035
1035
1035
1034
1034
1034
1033
1033
1032
1032
1032

Ozone (du)

309
306
304
303
301
300
298
296
294
296
298
300
300
301
301
300
299
298
294
290
286
283
281
278

Friday 26

Waxing Crescent 38%

11:11

22:53

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 Bad
21 OK
22 OK
23 Bad
00 OK

Sun - Rise: 08:44, Set: 14:52, Transit: 11:48. Moon - Rise: 11:11, Set: 22:53. Civil Dark: 15:47 - 07:49. Nautical Dark: 16:42 - 06:54. Astro Dark: 17:33 - 06:04

Total Clouds (% Sky Obscured)

85
100
95
90
84
73
61
50
51
52
54
50
44
39
38
39
38
37
39
38

Low Clouds (% Sky Obscured)

60
76
70
66
60
48
34
19
18
17
18
17
20
21
25
25
26
26
27
26

Medium Clouds (% Sky Obscured)

34
20
16
12
9
7
6
5
4
4
3
2
1
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

63
85
71
59
46
33
21
5
6
8
10
12
11
11
10
8
9
7
4
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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
78
78
80
81
81
83
83
83
84
88
89
89
89
89
89
89
89
89
89

Pressure (mb)

1032
1031
1031
1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1033
1033
1033
1033
1033
1033

Ozone (du)

276
274
272
271
271
270
269
269
269
269
270
270
271
272
273
273
273
273
275
276

Forecast for Stockholm, Stockholm Municipality, Kingdom of Sweden (59.33,18.07)

Generated: 20/12/25 05:36:22. Forecast: 20/12/25 to 26/12/25. Timezone: UTC+1.00