Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 27

Waxing Gibbous 67%

10:07

05:48

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
08 Bad
09 Bad
10 Bad
11 OK
12 OK
13 OK
14 OK
15 OK
16 Bad
17 Bad
18 Bad

Sun - Rise: 08:45, Set: 16:25, Transit: 12:35. Moon - Rise: 10:07, Set: 05:48. Civil Dark: 17:14 - 07:56. Nautical Dark: 18:06 - 07:04. Astro Dark: 18:55 - 06:15

Total Clouds (% Sky Obscured)

95
90
87
64
70
78
65
73
70
55
50
50
53
63
73
72
27
27
32
35
44
49
70
77

Low Clouds (% Sky Obscured)

91
90
80
64
70
78
65
73
70
55
50
50
53
63
69
69
27
27
32
35
44
49
70
77

Medium 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

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)

3
4
3
4
4
4
9
9
4
9
9
9
9
3
3
3
9
9
9
9
9
9
4
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
1
0
0
0
0
0
0
0
0
0
0
0
0
0
4
1
1
1
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)

5
4
4
4
4
5
4
4
4
4
5
5
5
5
5
5
6
6
6
6
6
5
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-15
-17
-18
-19
-19
-19
-18
-17
-19
-19
-18
-18
-17
-17
-18
-17
-16
-13
-12
-12
-12
-13
-15
-16

Dew Point (°C)

-13
-15
-17
-18
-17
-17
-17
-17
-18
-18
-17
-17
-17
-16
-16
-15
-13
-13
-12
-11
-12
-13
-14
-14

Relative Humidity (%)

88
88
86
86
86
86
86
86
85
85
85
84
86
86
88
88
88
85
83
85
85
88
88
88

Pressure (mb)

1016
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1018

Ozone (du)

404
404
404
404
404
405
405
406
409
409
406
405
406
406
405
403
403
404
400
397
394
391
388
384

Wednesday 28

Waxing Gibbous 78%

10:35

07:33

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 OK
08 OK
09 OK
10 Bad
11 OK
12 Good
13 Good
14 Good
15 Good
16 OK
17 OK
18 OK

Sun - Rise: 08:42, Set: 16:28, Transit: 12:35. Moon - Rise: 10:35, Set: 07:33. Civil Dark: 17:16 - 07:54. Nautical Dark: 18:08 - 07:03. Astro Dark: 18:57 - 06:14

Total Clouds (% Sky Obscured)

84
79
66
77
81
79
74
75
70
67
61
19
3
3
4
12
5
6
6
1
2
13
2
2

Low Clouds (% Sky Obscured)

83
79
66
69
68
67
66
66
65
63
61
6
3
3
4
4
3
3
6
0
0
5
1
1

Medium 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

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
6
3
2
2
3
3
3
3
3
4
4
4
4
3
3
5
8
9
9
9
4
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 (%)

1
0
1
6
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-17
-18
-18
-18
-19
-19
-20
-20
-20
-20
-20
-20
-20
-21
-21
-21
-19
-17
-16
-15
-14
-16
-19
-19

Dew Point (°C)

-15
-16
-16
-16
-16
-16
-17
-17
-17
-18
-18
-18
-18
-19
-19
-18
-17
-15
-14
-14
-14
-15
-18
-19

Relative Humidity (%)

88
86
88
88
88
88
86
86
86
86
86
85
86
85
85
86
86
86
85
85
86
90
86
84

Pressure (mb)

1018
1018
1018
1019
1019
1020
1020
1020
1020
1020
1021
1021
1021
1022
1022
1023
1023
1023
1024
1024
1024
1024
1024
1025

Ozone (du)

382
383
379
380
383
384
382
379
377
375
370
369
367
373
373
366
365
364
365
364
362
358
356
357

Thursday 29

Waxing Gibbous 87%

11:49

08:35

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

Sun - Rise: 08:40, Set: 16:31, Transit: 12:35. Moon - Rise: 11:49, Set: 08:35. Civil Dark: 17:18 - 07:52. Nautical Dark: 18:10 - 07:01. Astro Dark: 18:59 - 06:12

Total Clouds (% Sky Obscured)

10
16
2
10
16
45
59
67
65
62
24
0
0
0
60
45
37
7
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

1
1
1
1
1
0
0
0
0
0
0
0
0
0
57
43
37
7
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

7
11
0
8
10
30
39
38
42
41
14
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
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)

3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

-17
-18
-18
-19
-19
-19
-20
-20
-20
-20
-20
-20
-21
-21
-21
-18
-15
-13
-12
-12
-13
-15
-17
-18

Feels Like (°C)

-20
-20
-21
-21
-21
-22
-22
-22
-22
-22
-22
-23
-24
-23
-24
-20
-17
-15
-13
-13
-14
-17
-18
-20

Dew Point (°C)

-19
-20
-21
-21
-21
-22
-22
-22
-22
-22
-23
-23
-23
-23
-23
-20
-18
-16
-15
-15
-14
-17
-19
-20

Relative Humidity (%)

85
84
83
84
83
83
83
82
82
82
79
80
80
79
79
82
80
78
78
78
86
86
86
83

Pressure (mb)

1025
1025
1025
1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1028
1028
1028
1029
1029
1029
1029
1029
1029
1029
1029

Ozone (du)

358
360
369
375
373
371
371
376
381
387
400
410
414
414
415
418
422
424
426
427
431
434
436
441

Friday 30

Waxing Gibbous 94%

13:39

08:57

19 OK
20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
02 OK
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

Sun - Rise: 08:38, Set: 16:33, Transit: 12:35. Moon - Rise: 13:39, Set: 08:57. Civil Dark: 17:21 - 07:50. Nautical Dark: 18:12 - 06:59. Astro Dark: N/A - 06:10

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
11
22
32
40
49
56
39
26
10
26
42
57
68
79
91
90
90

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
11
22
32
40
49
56
39
26
10
26
42
48
54
67
85
90
90

Medium 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
2
4

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

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

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)

3
3
3
3
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
4
3
4
4

Chance of Frost

Temperature (°C)

-19
-19
-20
-20
-20
-21
-21
-21
-21
-21
-21
-22
-22
-22
-22
-20
-19
-17
-15
-14
-14
-15
-16
-17

Feels Like (°C)

-20
-21
-22
-22
-23
-23
-24
-24
-24
-25
-25
-26
-26
-26
-26
-25
-23
-21
-18
-16
-16
-18
-20
-20

Dew Point (°C)

-21
-21
-22
-22
-23
-23
-23
-23
-23
-24
-24
-24
-24
-24
-24
-22
-21
-19
-17
-16
-16
-17
-18
-18

Relative Humidity (%)

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

Pressure (mb)

1030
1030
1030
1030
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1032
1032
1032
1032
1032
1032
1032
1031
1031
1031

Ozone (du)

445
450
448
447
445
441
441
441
439
436
435
432
429
430
429
427
424
426
426
426
425
425
425
422

Saturday 31

Waxing Gibbous 99%

15:34

09:04

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
08 OK
09 OK
10 OK
11 OK
12 OK
13 OK
14 Good
15 Good
16 OK
17 OK
18 OK

Sun - Rise: 08:35, Set: 16:36, Transit: 12:36. Moon - Rise: 15:34, Set: 09:04. Civil Dark: 17:23 - 07:48. Nautical Dark: 18:14 - 06:57. Astro Dark: 19:01 - 06:08

Total Clouds (% Sky Obscured)

91
87
77
66
73
82
92
89
86
79
87
82
72
0
0
0
1
4
5
4
3
2
2
1

Low Clouds (% Sky Obscured)

91
87
77
66
73
82
92
86
84
77
85
82
72
0
0
0
1
2
3
3
2
2
1
1

Medium Clouds (% Sky Obscured)

6
4
2
0
0
0
0
7
14
21
31
42
51
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
6
13
19
22
26
29
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

3
3
3
3
3
4
6
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
1
1
0
4
3
1
5
5
6
7
9
7
3
2
1
3
3
1
2
2
1
3
3

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
5
5
5
5
5
5
5
5
5
5
4
4
5
5
5
5
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

-17
-17
-17
-17
-17
-17
-17
-17
-17
-17
-17
-17
-17
-17
-18
-18
-17
-17
-16
-15
-15
-16
-17
-17

Feels Like (°C)

-21
-21
-21
-21
-21
-21
-21
-21
-20
-20
-20
-20
-20
-20
-22
-22
-22
-22
-21
-21
-18
-18
-19
-19

Dew Point (°C)

-19
-19
-19
-19
-19
-19
-19
-19
-19
-19
-19
-19
-19
-19
-21
-21
-20
-20
-19
-18
-19
-20
-20
-21

Relative Humidity (%)

86
86
85
85
85
84
84
84
82
82
81
80
80
80
78
77
77
76
75
73
72
72
73
72

Pressure (mb)

1031
1031
1031
1031
1031
1031
1031
1031
1031
1030
1030
1030
1030
1030
1031
1031
1031
1030
1030
1029
1029
1029
1029
1028

Ozone (du)

422
424
424
423
422
419
418
416
413
411
410
407
407
405
402
399
395
391
387
382
381
380
379
381

Sunday 1

Waxing Gibbous 100%

17:23

09:06

19 OK
20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
02 OK
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

Sun - Rise: 08:33, Set: 16:38, Transit: 12:36. Moon - Rise: 17:23, Set: 09:06. Civil Dark: 17:26 - 07:46. Nautical Dark: 18:16 - 06:55. Astro Dark: 19:03 - 06:06

Total Clouds (% Sky Obscured)

1
1
1
1
1
1
3
11
23
35
51
64
75
79
84
90
92
93
95
95
94
89
83
67

Low Clouds (% Sky Obscured)

1
1
1
1
1
1
3
11
23
35
37
39
40
33
21
31
46
57
84
89
88
88
83
67

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
8
13
16
14
21
29
47
65
83
58
38
17
11
6

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
7
5
5
4
3
3
2
2
2
1
1
1
2
2
3

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
1
1
0
2
4
4
8
8
5
9
9
5
11
13
7
16
18
15
19
20
18
21
21

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-20
-20
-22
-22
-23
-23
-23
-23
-24
-24
-25
-25
-25
-25
-25
-25
-24
-24
-23
-23
-20
-21
-21
-21

Dew Point (°C)

-22
-23
-23
-23
-23
-23
-24
-24
-24
-24
-24
-24
-24
-23
-22
-22
-21
-20
-19
-18
-18
-18
-18
-19

Relative Humidity (%)

71
70
71
72
72
72
71
72
72
73
74
75
75
76
78
78
78
79
80
80
81
80
81
81

Pressure (mb)

1028
1028
1027
1027
1027
1027
1026
1026
1026
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1024
1023
1023
1023

Ozone (du)

384
386
389
392
395
398
401
405
410
414
419
421
423
424
425
426
427
426
425
424
423
421
420
419

Monday 2

Full Moon 99%

19:03

09:06

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 08:30, Set: 16:41, Transit: 12:36. Moon - Rise: 19:03, Set: 09:06. Civil Dark: 17:28 - 07:44. Nautical Dark: 18:18 - 06:53. Astro Dark: 19:05 - 06:04

Total Clouds (% Sky Obscured)

61
47
43
34
33
33
33
47
61
74
61
47
33
46
59
73
69
64
60

Low Clouds (% Sky Obscured)

61
47
43
34
29
20
15
19
14
17
16
24
33
33
33
33
43
50
57

Medium Clouds (% Sky Obscured)

0
1
2
3
4
4
5
3
4
7
10
17
20
33
49
62
63
61
59

High Clouds (% Sky Obscured)

0
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

3
4
4
5
6
6
7
7
7
7
7
7
7
7
7
8
8
8
8

Fog (%)

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

Precipitation Probability (%)

13
21
20
12
19
18
9
15
14
7
13
12
6
10
9
4
8
8
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
6
6
6
6
6
6
7
7
7
7
7
7
7
7
7
7
7

Chance of Frost

Temperature (°C)

-16
-17
-17
-17
-17
-17
-18
-18
-18
-18
-18
-18
-19
-18
-18
-17
-16
-15
-14

Feels Like (°C)

-21
-21
-22
-22
-22
-22
-22
-22
-23
-23
-23
-23
-23
-23
-23
-22
-22
-22
-21

Dew Point (°C)

-19
-19
-19
-19
-19
-20
-20
-20
-20
-20
-21
-21
-21
-21
-20
-19
-19
-17
-17

Relative Humidity (%)

82
82
80
81
82
83
82
82
82
82
82
82
81
81
80
80
79
80
79

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

418
418
419
421
422
420
417
415
410
405
400
396
392
388
386
385
383
382
381

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

Generated: 27/01/26 19:00:44. Forecast: 27/01/26 to 02/02/26. Timezone: UTC+2.00