Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 27

First Quarter 49%

11:11

00:26

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

Sun - Rise: 08:44, Set: 14:53, Transit: 11:49. Moon - Rise: 11:11, Set: 00:26. Civil Dark: 15:48 - 07:49. Nautical Dark: 16:43 - 06:54. Astro Dark: 17:33 - 06:04

Total Clouds (% Sky Obscured)

89
63
87
62
2
1
1
1
3
1
16
11
13
2
2
10
8
15
16
14
20
10
1
0

Low Clouds (% Sky Obscured)

23
23
0
0
1
0
0
0
2
0
13
11
13
1
1
9
8
14
16
14
19
9
1
0

Medium Clouds (% Sky Obscured)

35
40
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
1
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
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)

11
12
14
19
19
19
18
19
20
22
22
21
20
22
20
19
19
19
18
19
19
18
18
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-2
-3
-4
-7
-7
-7
-7
-8
-8
-8
-8
-8
-9
-8
-9
-9
-9
-9
-9
-9
-9
-8
-8
-7

Relative Humidity (%)

76
69
62
49
50
50
49
49
47
47
48
48
47
49
48
49
48
49
50
50
51
54
55
58

Pressure (mb)

1016
1016
1016
1016
1016
1015
1015
1014
1014
1013
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1022
1022
1023
1023

Ozone (du)

297
301
310
326
346
362
366
368
370
366
353
342
334
331
321
317
313
310
299
299
295
292
294
291

Sunday 28

Waxing Gibbous 60%

11:12

02:03

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

Sun - Rise: 08:44, Set: 14:54, Transit: 11:49. Moon - Rise: 11:12, Set: 02:03. Civil Dark: 15:49 - 07:49. Nautical Dark: 16:44 - 06:54. Astro Dark: 17:34 - 06:04

Total Clouds (% Sky Obscured)

1
0
0
1
1
3
9
26
66
81
63
87
45
45
47
57
74
83
79
4
6
5
1
0

Low Clouds (% Sky Obscured)

1
0
0
0
0
0
6
0
0
0
9
25
0
0
0
0
0
15
21
4
4
5
1
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
2
1
23
62
77
59
87
45
40
47
52
2
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
0
0
1
1
2
5
10
49
37
45
65
45
45
47
52
69
75
53
1
3
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
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)

17
16
14
12
10
7
11
11
10
12
13
13
14
14
15
15
14
13
13
12
11
12
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
62
62
62
63
62
67
71
68
62
66
67
66
64
64
64
64
66
69
73
75
78
71
59

Pressure (mb)

1023
1023
1022
1022
1021
1020
1019
1019
1017
1016
1015
1014
1013
1012
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010

Ozone (du)

296
297
303
300
306
311
319
325
332
333
333
342
349
355
360
359
351
344
337
336
335
338
341
341

Monday 29

Waxing Gibbous 72%

11:14

03:48

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

Sun - Rise: 08:44, Set: 14:55, Transit: 11:50. Moon - Rise: 11:14, Set: 03:48. Civil Dark: 15:50 - 07:49. Nautical Dark: 16:45 - 06:54. Astro Dark: 17:35 - 06:04

Total Clouds (% Sky Obscured)

1
6
2
0
0
0
0
0
11
74
0
0
2
2
10
3
18
8
7
4
3
3
1
1

Low Clouds (% Sky Obscured)

0
4
2
0
0
0
0
0
11
58
0
0
0
1
3
1
4
1
1
1
2
1
1
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
33
0
0
0
0
1
0
4
2
2
0
0
1
0
0

High Clouds (% Sky Obscured)

1
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
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
1
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 (%)

3
6
8
0
0
0
0
0
0
0
2
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-7
-7
-7
-11
-12
-12
-11
-11
-12
-12
-12
-12
-12
-12
-11
-11
-10
-10
-10
-11
-11
-11
-11
-12

Relative Humidity (%)

58
62
61
46
43
44
46
47
48
45
45
46
48
49
50
52
57
57
55
54
55
54
52
51

Pressure (mb)

1010
1011
1011
1011
1010
1010
1009
1009
1009
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

340
340
341
341
346
354
353
363
369
366
366
366
360
362
364
364
372
377
370
362
357
350
353
360

Tuesday 30

Waxing Gibbous 82%

11:18

05:40

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

Sun - Rise: 08:44, Set: 14:56, Transit: 11:50. Moon - Rise: 11:18, Set: 05:40. Civil Dark: 15:51 - 07:49. Nautical Dark: 16:46 - 06:54. Astro Dark: 17:36 - 06:04

Total Clouds (% Sky Obscured)

1
4
5
20
9
7
6
3
3
3
3
2
2
2
2
1
1
6
7
9
5
1
2
10

Low Clouds (% Sky Obscured)

0
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
4
1
0
1
1

Medium Clouds (% Sky Obscured)

0
1
1
5
1
1
1
1
1
2
3
2
2
2
2
1
1
6
7
9
5
1
2
10

High Clouds (% Sky Obscured)

0
1
1
2
1
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 (%)

0
0
0
1
0
0
1
0
0
1
0
1
1
1
1
1
1
2
2
1
1
4
4
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)

14
15
14
15
14
15
15
15
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

51
51
52
52
52
50
50
49
49
49
49
49
50
50
51
50
51
51
51
50
50
49
51
51

Pressure (mb)

1009
1009
1009
1009
1009
1008
1008
1008
1008
1008
1008
1007
1007
1007
1007
1007
1006
1006
1006
1006
1005
1005
1005
1005

Ozone (du)

364
370
376
390
400
405
408
409
411
413
413
412
409
405
399
399
404
408
407
400
392
382
381
379

Wednesday 31

Waxing Gibbous 90%

11:26

No Set

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

Sun - Rise: 08:43, Set: 14:58, Transit: 11:51. Moon - Rise: 11:26, Set: No Set. Civil Dark: 15:52 - 07:49. Nautical Dark: 16:47 - 06:54. Astro Dark: 17:37 - 06:04

Total Clouds (% Sky Obscured)

12
3
13
4
20
17
50
77
74
79
79
66
14
14
13
11
8
7
7
7
9
16
25
34

Low Clouds (% Sky Obscured)

2
1
2
2
19
3
4
5
2
17
29
39
5
4
3
3
3
3
3
4
5
15
25
33

Medium Clouds (% Sky Obscured)

12
1
3
1
10
10
43
70
74
79
79
66
3
5
5
5
3
1
2
2
2
5
5
7

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
4
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 (%)

4
5
4
10
18
6
4
2
0
8
12
12
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-13
-13
-12
-12
-12
-13
-13
-13
-13
-13
-13
-13
-13
-13
-13
-13
-13
-13
-14
-14
-13
-13
-14
-14

Dew Point (°C)

-15
-14
-15
-15
-12
-12
-13
-14
-16
-16
-16
-16
-16
-16
-16
-16
-17
-17
-17
-18
-17
-17
-17
-17

Relative Humidity (%)

50
53
50
50
61
62
57
54
46
47
47
46
45
45
45
45
45
44
43
43
45
45
46
49

Pressure (mb)

1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1008
1008
1008
1008
1007
1007
1007
1007
1006
1006
1006

Ozone (du)

367
362
358
355
360
367
367
361
358
354
351
349
345
345
345
346
354
361
369
371
374
376
375
373

Thursday 1

Waxing Gibbous 96%

11:47

07:32

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
05 Bad
06 Bad

Sun - Rise: 08:43, Set: 14:59, Transit: 11:51. Moon - Rise: 11:47, Set: 07:32. Civil Dark: 15:53 - 07:49. Nautical Dark: 16:48 - 06:54. Astro Dark: 17:38 - 06:04

Total Clouds (% Sky Obscured)

34
36
36
45
52
59
70
79
90
92
97
100
100
100
100
93
84
68
64
46
40
35
50
55

Low Clouds (% Sky Obscured)

33
32
31
35
37
39
54
61
72
66
58
60
55
50
40
35
30
40
35
30
40
35
50
55

Medium Clouds (% Sky Obscured)

6
5
4
22
39
49
49
68
90
92
96
100
100
100
100
93
84
68
64
46
40
35
50
55

High Clouds (% Sky Obscured)

1
3
5
6
8
10
8
5
2
1
0
0
0
0
0
0
0
0
0
0
0
1
1
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
7
6
4
2
0
0
0
0
2
4
6
6
7
7
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

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

Precipitation Probability (%)

0
0
0
3
3
2
11
15
15
42
52
56
72
78
78
78
74
64
58
51
40
43
38
19

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.1
0.2
0.2
0.4
0.5
0.5
0.5
0.4
0.2
0.2
0.1
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-14
-15
-15
-14
-14
-13
-13
-13
-13
-13
-14
-13
-14
-13
-13
-12
-13
-13
-13
-13
-14
-13
-13
-13

Dew Point (°C)

-17
-17
-16
-16
-15
-14
-13
-13
-12
-11
-11
-10
-9
-9
-9
-9
-10
-11
-12
-13
-13
-14
-13
-12

Relative Humidity (%)

50
52
54
55
58
60
62
66
71
77
80
85
90
88
87
89
80
76
68
66
63
60
64
70

Pressure (mb)

1005
1005
1005
1005
1005
1004
1004
1004
1004
1003
1003
1003
1003
1003
1003
1003
1004
1004
1004
1004
1004
1005
1005
1005

Ozone (du)

371
370
369
368
367
366
365
365
366
366
369
371
374
377
380
384
381
378
376
367
359
351
355
360

Friday 2

Waxing Gibbous 100%

12:38

09:01

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 OK
13 OK
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 08:42, Set: 15:00, Transit: 11:51. Moon - Rise: 12:38, Set: 09:01. Civil Dark: 15:55 - 07:48. Nautical Dark: 16:49 - 06:53. Astro Dark: 17:39 - 06:03

Total Clouds (% Sky Obscured)

55
60
55
60
45
40
38
54
73
67
60
52
53
50
51
67
82
99

Low Clouds (% Sky Obscured)

55
60
55
60
45
40
38
34
24
22
17
13
18
27
35
47
59
72

Medium Clouds (% Sky Obscured)

55
60
55
60
45
40
38
54
70
67
60
52
53
50
51
64
75
93

High Clouds (% Sky Obscured)

4
6
7
8
10
7
26
45
63
43
23
3
4
5
5
16
26
37

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 (%)

33
33
15
23
22
11
12
10
5
9
9
6
13
11
5
8
6
3

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
75
74
74
74
74
76
79
82
87
83
82
80
74
68
64
66
67

Pressure (mb)

1006
1006
1007
1007
1008
1008
1008
1009
1009
1009
1009
1009
1010
1009
1009
1009
1009
1009

Ozone (du)

364
369
373
377
376
376
375
375
374
374
373
372
371
372
372
372
374
376

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

Generated: 27/12/25 07:23:47. Forecast: 27/12/25 to 02/01/26. Timezone: UTC+1.00