Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 23

Waxing Crescent 23%

09:57

22:45

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 08:55, Set: 16:12, Transit: 12:34. Moon - Rise: 09:57, Set: 22:45. Civil Dark: 17:03 - 08:05. Nautical Dark: 17:55 - 07:12. Astro Dark: 18:45 - 06:23

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
95
94
92
89
91
94
94
98
100
100
100
97
91
90
90

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
94
94
90
84
83
83
80
77
82
82
84
85
87
88
90

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
53
65
70
75
53
7
1
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
1
1
1
1
1
13
20
41
78
100
100
100
72
23
15
15

ISS Passover

Visibility (miles)

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

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

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
19
19
16
19
24
19
23
19
16
20
14
12
12
11
10
13
19
16
16
19
20

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
90
90
92
90
90
88
88
88
90
90
92
90
90
90
92
92
90
90
90
92
90

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1027
1026
1026
1026
1026
1026
1026
1026
1026
1026
1027
1027
1027
1027

Ozone (du)

341
342
342
342
343
344
336
335
336
339
343
345
348
348
349
351
351
353
355
358
359
358
354
356

Saturday 24

Waxing Crescent 33%

09:56

00:22

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 08:53, Set: 16:15, Transit: 12:34. Moon - Rise: 09:56, Set: 00:22. Civil Dark: 17:05 - 08:03. Nautical Dark: 17:57 - 07:11. Astro Dark: 18:47 - 06:21

Total Clouds (% Sky Obscured)

92
93
91
93
92
97
98
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
100

Low Clouds (% Sky Obscured)

91
89
84
85
83
94
97
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
97
99

Medium Clouds (% Sky Obscured)

5
23
36
39
46
29
18
4
1
1
1
1
1
1
1
1
1
1
1
1
2
16
26
20

High Clouds (% Sky Obscured)

25
25
25
20
15
15
15
10
7
5
3
3
7
7
11
9
14
8
21
28
16
15
14
20

ISS Passover

Visibility (miles)

0
1
1
2
3
2
2
2
2
3
5
6
7
3
3
3
3
3
3
3
3
3
3
3

Fog (%)

1
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 (%)

16
19
17
17
19
14
13
10
9
13
7
6
1
3
4
3
7
2
6
2
7
6
6
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
4
4
3
3
4
4
5
5
5
4
4
4
4
4
5
5
4
4
4

Chance of Frost

Temperature (°C)

-12
-11
-11
-12
-12
-12
-12
-12
-11
-9
-8
-8
-9
-11
-11
-12
-12
-12
-12
-12
-12
-13
-13
-13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
90
90
90
90
90
90
88
88
87
90
92
90
90
88
90
90
88
88
88
88
90

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

367
377
382
378
373
370
372
375
375
374
371
368
365
365
367
368
371
380
383
382
380
377
370
365

Sunday 25

Waxing Crescent 44%

09:55

02:04

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 08:51, Set: 16:18, Transit: 12:34. Moon - Rise: 09:55, Set: 02:04. Civil Dark: 17:07 - 08:02. Nautical Dark: 17:59 - 07:09. Astro Dark: 18:49 - 06:20

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
100
100
100
92
89
93
95
98
100
100
100
100
100

Low Clouds (% Sky Obscured)

98
96
97
99
99
99
99
99
99
98
93
98
98
96
90
89
93
95
98
100
100
100
100
100

Medium Clouds (% Sky Obscured)

15
29
36
40
38
15
0
0
27
31
44
51
76
81
0
0
0
1
1
0
0
0
0
0

High Clouds (% Sky Obscured)

25
30
35
35
42
39
35
33
31
13
31
31
59
81
20
0
0
1
1
2
2
2
3
2

ISS Passover

Visibility (miles)

3
3
3
3
3
3
3
3
9
9
9
9
9
4
3
3
3
3
3
3
2
2
2
2

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 (%)

5
1
4
0
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
1
2
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)

4
4
3
3
3
3
3
4
4
5
5
5
4
4
4
3
3
3
3
3
3
4
4
4

Chance of Frost

Temperature (°C)

-13
-13
-13
-12
-12
-12
-13
-12
-10
-9
-9
-9
-10
-12
-14
-14
-14
-14
-14
-13
-13
-13
-13
-13

Feels Like (°C)

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

Dew Point (°C)

-14
-14
-14
-14
-13
-13
-14
-13
-11
-11
-11
-11
-11
-13
-15
-16
-16
-16
-15
-15
-15
-15
-14
-15

Relative Humidity (%)

88
88
90
88
90
90
90
90
88
85
85
83
88
90
88
88
88
88
88
88
88
88
90
90

Pressure (mb)

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

Ozone (du)

364
363
364
363
361
361
362
366
370
372
371
372
372
369
368
368
367
367
368
369
372
377
378
376

Monday 26

First Quarter 56%

09:56

No Set

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 08:49, Set: 16:20, Transit: 12:35. Moon - Rise: 09:56, Set: No Set. Civil Dark: 17:09 - 08:00. Nautical Dark: 18:01 - 07:08. Astro Dark: 18:51 - 06:18

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
96
95
92
90
74
70
74

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
99
99
100
99
98
95
89
87
86
89
74
70
74

Medium Clouds (% Sky Obscured)

0
0
9
18
27
18
8
0
0
0
0
0
0
0
0
0
0
0
0
0
16
29
43
50

High Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
11
20
34
49
62
70
67

ISS Passover

Visibility (miles)

2
2
1
1
0
0
0
0
0
0
0
1
1
1
1
2
2
5
4
9
9
9
9
8

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 (%)

3
6
10
11
12
15
16
14
11
19
7
11
16
12
13
10
10
8
7
3
8
9
10
9

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

Chance of Frost

Temperature (°C)

-13
-12
-13
-12
-12
-12
-11
-11
-10
-10
-9
-9
-10
-10
-10
-11
-12
-12
-13
-13
-13
-13
-13
-14

Feels Like (°C)

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

Dew Point (°C)

-14
-14
-14
-14
-13
-13
-12
-12
-12
-11
-11
-11
-11
-11
-12
-13
-13
-14
-15
-15
-16
-15
-15
-16

Relative Humidity (%)

90
90
90
90
90
90
92
92
90
90
88
88
90
90
90
88
88
86
84
84
83
84
84
83

Pressure (mb)

1017
1016
1016
1016
1015
1015
1014
1014
1014
1014
1013
1013
1012
1012
1012
1012
1011
1011
1011
1011
1010
1010
1010
1009

Ozone (du)

378
381
382
381
380
377
376
375
375
373
373
374
375
377
377
380
382
389
397
403
406
410
415
414

Tuesday 27

Waxing Gibbous 67%

09:59

03:53

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 08:47, Set: 16:23, Transit: 12:35. Moon - Rise: 09:59, Set: 03:53. Civil Dark: 17:12 - 07:58. Nautical Dark: 18:03 - 07:06. Astro Dark: 18:53 - 06:17

Total Clouds (% Sky Obscured)

72
63
68
82
86
95
97
91
95
86
72
53
59
77
88
93
97
97
97
97
95
90
85
82

Low Clouds (% Sky Obscured)

72
63
68
82
86
90
96
91
95
86
72
53
59
77
88
93
97
97
97
97
95
90
85
82

Medium Clouds (% Sky Obscured)

53
57
58
59
65
65
65
65
69
73
71
53
59
77
68
47
23
17
10
4
30
56
82
82

High Clouds (% Sky Obscured)

59
48
62
72
85
90
95
91
89
82
72
53
59
77
50
60
56
42
22
0
0
0
0
7

ISS Passover

Visibility (miles)

8
8
8
8
8
8
3
9
9
9
9
9
9
9
9
7
6
4
4
4
4
5
7
8

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

Precipitation Probability (%)

8
7
11
14
15
39
53
64
72
75
77
95
79
48
48
46
45
38
29
16
17
17
17
23

Precipitation Amount (mm)

0
0
0
0
0
0.1
0.2
0.3
0.4
0.5
0.5
1
0.5
0.2
0.2
0.2
0.2
0.1
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-17
-17
-17
-18
-18
-18
-19
-18
-16
-15
-14
-13
-12
-13
-12
-12
-12
-11
-15
-15
-14
-13
-13
-11

Dew Point (°C)

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

Relative Humidity (%)

84
82
82
82
83
83
83
84
83
81
78
80
81
84
86
84
84
84
84
84
85
85
85
85

Pressure (mb)

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

Ozone (du)

409
407
410
408
406
405
406
407
409
405
402
401
405
409
412
414
415
417
418
419
420
421
423
424

Wednesday 28

Waxing Gibbous 78%

10:07

05:48

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
00 Bad
01 Bad
02 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)

81
78
78
80
83
91
94
98
93
90
85
74
61
55
61
68
78
81
89
93
95
96
97
98

Low Clouds (% Sky Obscured)

81
78
78
80
83
88
89
90
88
85
80
72
61
55
61
68
78
81
89
92
90
81
76
73

Medium Clouds (% Sky Obscured)

78
78
73
76
71
69
71
74
65
60
48
34
18
3
1
1
0
0
0
0
5
10
20
19

High Clouds (% Sky Obscured)

14
21
14
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
33
67
95
65

ISS Passover

Visibility (miles)

8
7
6
7
8
8
8
8
7
8
8
9
7
5
3
3
3
3
3
3
3
3
4
4

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

Precipitation Probability (%)

27
30
40
49
57
53
50
48
44
39
33
28
22
13
15
14
7
10
9
5
6
6
4
7

Precipitation Amount (mm)

0
0
0.1
0.2
0.3
0.2
0.2
0.2
0.1
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-10
-10
-10
-10
-10
-11
-11
-10
-10
-10
-9
-8
-10
-11
-12
-12
-12
-13
-13
-12
-12
-12
-12
-12

Feels Like (°C)

-13
-13
-12
-12
-13
-13
-15
-16
-17
-17
-17
-16
-11
-11
-11
-11
-11
-12
-16
-16
-16
-16
-15
-15

Dew Point (°C)

-12
-12
-12
-12
-12
-13
-13
-12
-12
-11
-11
-10
-12
-13
-13
-14
-14
-15
-15
-14
-14
-14
-14
-14

Relative Humidity (%)

85
85
85
83
83
83
85
85
85
87
85
85
85
86
86
86
86
84
84
84
85
84
85
85

Pressure (mb)

1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1005
1005
1005
1005
1006
1006
1006
1006
1007
1007
1007
1008
1008
1009

Ozone (du)

425
426
427
425
422
420
421
422
423
422
420
419
416
414
411
404
398
391
389
387
384
382
380
378

Thursday 29

Waxing Gibbous 87%

10:35

07:33

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)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 23/01/26 03:31:47. Forecast: 23/01/26 to 29/01/26. Timezone: UTC+2.00