Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 27

First Quarter 60%

11:29

01:37

23 OK
00 OK
01 OK
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

Sun - Rise: N/A, Set: N/A, Transit: 12:38. Moon - Rise: 11:29, Set: 01:37. Civil Dark: 15:04 - 10:12. Nautical Dark: 16:41 - 08:35. Astro Dark: 17:57 - 07:20

Total Clouds (% Sky Obscured)

20
26
17
21
100
100
98
100
100
100
94
90
70
64
12
46
87
48
99
100
100
100
61
100

Low Clouds (% Sky Obscured)

20
19
17
21
93
93
96
99
100
100
81
84
70
64
12
28
59
38
83
94
21
31
48
93

Medium Clouds (% Sky Obscured)

12
11
13
7
37
72
80
99
74
72
11
53
26
33
12
34
59
14
52
64
55
62
44
69

High Clouds (% Sky Obscured)

6
4
4
21
71
55
24
78
76
59
29
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

1
6
6
0
0
0
0
0
0
0
0
0
1
0
9
2
5
9
1
0
5
5
5
0

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

0
0
0
46
37
43
62
87
93
83
66
42
50
64
69
74
46
41
58
92
37
22
63
66

Precipitation Amount (mm)

0
0
0
0
0
0.1
0.3
0.5
0.6
0.5
0.3
0
0.1
0.2
0.2
0.5
0.1
0
0
0.5
0
0
0.4
0.3

Wind Speed/Direction (mph)

22
17
18
12
5
4
5
6
5
4
4
7
10
9
7
6
7
10
10
10
19
19
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-16
-14
-11
-11
-13
-13
-14
-15
-15
-14
-14
-16
-19
-18
-16
-14
-11
-11
-10
-12
-11
-11
-11
-12

Dew Point (°C)

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

Relative Humidity (%)

83
83
87
85
90
90
90
88
90
92
92
87
83
87
78
80
83
89
88
88
90
89
89
88

Pressure (mb)

1013
1013
1013
1012
1011
1008
1006
1003
1001
1000
998
997
996
994
993
994
995
994
995
994
995
996
996
998

Ozone (du)

343
342
342
342
342
348
352
354
354
357
358
358
354
361
365
346
341
349
347
352
356
360
359
355

Sunday 28

Waxing Gibbous 72%

10:59

03:49

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: N/A, Set: N/A, Transit: 12:39. Moon - Rise: 10:59, Set: 03:49. Civil Dark: 15:06 - 10:12. Nautical Dark: 16:42 - 08:35. Astro Dark: 17:58 - 07:20

Total Clouds (% Sky Obscured)

100
100
93
89
36
56
61
63
69
97
95
95
95
100
95
95
96
97
98
98
95
93
92
90

Low Clouds (% Sky Obscured)

85
82
9
2
9
56
58
38
44
74
72
70
70
80
75
72
79
78
80
82
79
74
65
67

Medium Clouds (% Sky Obscured)

55
57
43
61
36
56
61
63
69
90
35
35
30
30
35
30
28
37
65
52
41
28
20
27

High Clouds (% Sky Obscured)

14
0
5
4
2
2
0
0
2
4
6
80
80
77
80
75
75
70
62
75
75
75
69
21

ISS Passover

Visibility (miles)

0
0
9
9
9
6
6
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Fog (%)

3
1
4
4
2
1
1
6
1
6
2
4
1
1
3
5
8
2
2
1
3
2
1
3

Precipitation Type

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

Precipitation Probability (%)

54
30
14
10
20
45
59
42
46
56
53
54
54
52
51
44
45
47
46
42
38
34
36
36

Precipitation Amount (mm)

0.2
0
0
0
0
0
0.2
0
0
0.1
0.1
0.2
0.2
0.1
0.2
0
0
0.1
0.1
0
0
0
0
0

Wind Speed/Direction (mph)

10
11
11
12
13
13
14
17
17
14
17
17
18
20
20
20
17
16
15
14
13
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
87
80
78
78
83
85
87
87
88
88
90
88
90
90
88
90
88
90
90
90
88
88
90

Pressure (mb)

998
998
999
999
1000
1000
999
999
1000
1001
1002
1002
1003
1003
1004
1005
1006
1006
1007
1008
1008
1009
1010
1010

Ozone (du)

348
343
347
351
349
347
343
339
341
355
360
365
368
370
368
364
364
363
356
353
356
357
360
364

Monday 29

Waxing Gibbous 82%

10:02

06:36

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: N/A, Set: N/A, Transit: 12:39. Moon - Rise: 10:02, Set: 06:36. Civil Dark: 15:08 - 10:11. Nautical Dark: 16:44 - 08:35. Astro Dark: 17:59 - 07:20

Total Clouds (% Sky Obscured)

91
89
84
87
92
90
89
88
92
96
94
93
89
67
75
71
70
69
67
59
66
61
60
55

Low Clouds (% Sky Obscured)

78
59
55
77
72
75
65
50
81
86
83
82
78
56
66
64
64
61
58
53
57
54
60
55

Medium Clouds (% Sky Obscured)

36
50
35
27
53
46
45
32
24
36
35
41
35
2
3
5
12
17
17
12
33
35
40
35

High Clouds (% Sky Obscured)

4
14
2
0
0
0
0
0
0
0
0
0
2
2
2
0
0
2
4
0
0
0
0
0

ISS Passover

Visibility (miles)

0
1
1
1
0
0
0
0
1
1
0
0
0
2
1
1
1
2
2
2
1
0
0
0

Fog (%)

1
0
2
6
3
3
0
1
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

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

Precipitation Probability (%)

36
35
34
37
44
50
42
38
35
33
36
33
28
15
16
16
22
16
25
20
33
33
35
35

Precipitation Amount (mm)

0
0
0
0
0.1
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
11
10
10
10
9
9
8
8
7
7
6
6
6
6
7
7
6
6
6
6
7
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
87
87
87
88
88
86
86
86
86
86
86
86
81
81
83
83
81
81
83
84
88
86

Pressure (mb)

1011
1012
1012
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1015
1015
1015
1014
1014
1014
1014
1014
1014
1013

Ozone (du)

363
368
374
374
370
368
371
372
372
372
372
369
368
369
370
369
367
365
362
361
360
361
363
363

Tuesday 30

Waxing Gibbous 90%

No Rise

No Set

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: N/A, Set: N/A, Transit: 12:40. Moon - Rise: No Rise, Set: No Set. Civil Dark: 15:10 - 10:10. Nautical Dark: 16:45 - 08:34. Astro Dark: 18:00 - 07:19

Total Clouds (% Sky Obscured)

53
51
28
33
42
40
45
45
45
40
45
50
60
60
55
50
50
45
45
45
50
60
70
75

Low Clouds (% Sky Obscured)

53
50
28
33
42
40
45
45
45
40
45
50
60
60
55
50
50
45
45
45
50
60
65
75

Medium Clouds (% Sky Obscured)

40
45
15
24
4
4
2
0
0
1
1
3
0
0
0
2
2
0
0
0
3
3
5
38

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
5
0
5
0
9
10
10
11
9
50
45
45
45
50
60
70
75

ISS Passover

Visibility (miles)

0
1
3
2
1
1
1
1
0
0
0
1
0
0
0
0
1
0
0
0
0
0
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 (%)

33
29
16
19
21
10
16
10
6
3
3
10
1
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-17
-17
-17
-17
-18
-18
-18
-18
-19
-19
-19
-19
-19
-20
-20
-20
-20
-21
-21
-21
-21
-21
-22
-22

Relative Humidity (%)

88
88
86
83
82
81
81
80
81
82
83
84
85
83
83
83
82
82
81
81
81
81
80
79

Pressure (mb)

1013
1014
1014
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1015
1015
1015
1015
1014
1014
1014
1013
1013
1013
1012

Ozone (du)

362
359
357
350
344
340
339
339
337
339
340
337
337
338
336
335
330
327
325
322
322
320
317
317

Wednesday 31

Waxing Gibbous 96%

No Rise

No Set

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: N/A, Set: N/A, Transit: 12:40. Moon - Rise: No Rise, Set: No Set. Civil Dark: 15:12 - 10:09. Nautical Dark: 16:47 - 08:34. Astro Dark: 18:02 - 07:19

Total Clouds (% Sky Obscured)

81
87
87
87
86
91
95
95
95
91
96
96
92
91
91
96
96
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

80
85
85
85
85
79
71
60
26
6
10
10
8
8
8
19
31
43
57
69
80
85
80
80

Medium Clouds (% Sky Obscured)

21
8
57
56
40
6
5
5
5
13
20
28
39
25
10
17
21
23
21
19
18
33
47
62

High Clouds (% Sky Obscured)

81
87
87
85
85
83
85
85
85
86
86
91
91
90
91
95
96
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

0
0
0
0
1
1
1
1
7
9
9
9
9
9
9
9
6
3
0
0
0
0
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
0
0
0
0
0
0
0
0
0
0
0
0
5
6
3
12
15
16
16
16
15

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-24
-24
-25
-26
-26
-26
-26
-26
-26
-26
-26
-27
-27
-27
-28
-28
-29
-31
-32
-32
-32
-32
-31
-31

Dew Point (°C)

-22
-22
-23
-23
-23
-23
-24
-24
-24
-24
-25
-25
-25
-25
-25
-26
-26
-27
-27
-27
-27
-27
-27
-27

Relative Humidity (%)

79
80
79
78
78
78
77
77
76
76
73
72
72
72
72
73
75
75
78
78
77
78
78
78

Pressure (mb)

1012
1011
1011
1010
1010
1010
1009
1009
1009
1009
1009
1008
1008
1008
1008
1007
1007
1007
1006
1006
1006
1006
1006
1006

Ozone (du)

317
319
320
321
321
322
323
324
325
327
328
331
334
336
338
339
338
338
337
338
338
339
340
341

Thursday 1

Waxing Gibbous 96%

No Rise

No Set

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: N/A, Set: N/A, Transit: 12:41. Moon - Rise: No Rise, Set: No Set. Civil Dark: 15:14 - 10:07. Nautical Dark: 16:48 - 08:33. Astro Dark: 18:03 - 07:18

Total Clouds (% Sky Obscured)

100
100
95
96
100
97
96
96
95
100
95
95
95
95
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

80
70
70
65
70
75
83
82
85
88
87
81
74
67
70
69
68
73
63
52
38
40
43
45

Medium Clouds (% Sky Obscured)

70
77
85
87
88
93
92
87
80
75
70
65
60
55
55
65
65
60
60
65
70
70
70
70

High Clouds (% Sky Obscured)

100
100
95
96
100
97
96
96
95
100
95
95
95
95
100
100
95
95
100
95
95
100
100
95

ISS Passover

Visibility (miles)

0
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
2
3
4
5
6
6
7
8

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 (%)

14
12
10
9
9
7
13
16
17
18
18
16
20
21
21
21
21
18
17
15
7
8
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)

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

Chance of Frost

Temperature (°C)

-25
-24
-24
-24
-24
-24
-24
-24
-25
-25
-24
-24
-24
-24
-24
-24
-24
-24
-22
-22
-22
-22
-22
-22

Feels Like (°C)

-31
-31
-32
-33
-29
-29
-30
-30
-30
-30
-28
-28
-27
-27
-28
-28
-28
-28
-26
-26
-25
-24
-26
-26

Dew Point (°C)

-27
-26
-26
-26
-26
-26
-26
-26
-26
-26
-26
-26
-26
-26
-26
-26
-26
-26
-24
-24
-24
-25
-24
-24

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

342
342
342
342
342
342
342
342
343
343
343
343
343
344
344
345
347
349
351
353
355
357
356
356

Friday 2

Waxing Gibbous 100%

No Rise

No Set

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: N/A, Set: N/A, Transit: 12:41. Moon - Rise: No Rise, Set: No Set. Civil Dark: 15:16 - 10:06. Nautical Dark: 16:50 - 08:32. Astro Dark: 18:05 - 07:18

Total Clouds (% Sky Obscured)

100
100
100
88
75
63
69
76
82
81
79
78
72
66
59
63
67
70
60
49
39

Low Clouds (% Sky Obscured)

32
18
4
4
5
5
5
3
2
2
1
0
1
2
2
2
1
1
1
1
2

Medium Clouds (% Sky Obscured)

70
75
70
51
39
25
18
10
0
0
0
0
0
0
0
0
0
0
0
0
1

High Clouds (% Sky Obscured)

100
95
100
82
64
46
55
65
74
71
68
66
60
55
47
53
57
61
51
41
32

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

Fog (%)

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

Precipitation Probability (%)

1
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

Wind Speed/Direction (mph)

4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

-22
-22
-23
-23
-23
-23
-24
-24
-24
-24
-24
-24
-24
-25
-25
-26
-26
-26
-26
-25
-25

Feels Like (°C)

-25
-25
-25
-25
-27
-26
-26
-26
-27
-27
-29
-28
-28
-29
-30
-30
-29
-29
-29
-29
-29

Dew Point (°C)

-25
-25
-25
-26
-26
-27
-27
-28
-28
-29
-29
-29
-30
-30
-31
-31
-31
-31
-31
-31
-31

Relative Humidity (%)

80
78
77
76
74
72
70
66
64
61
59
58
57
57
56
56
56
56
56
56
56

Pressure (mb)

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

Ozone (du)

355
356
356
357
357
357
358
358
358
358
358
357
356
357
358
359
362
364
366
369
371

Forecast for Kilpisjärvi, Tunturi-Lappi, Finland (69.07,20.76)

Generated: 27/12/25 23:39:27. Forecast: 27/12/25 to 02/01/26. Timezone: UTC+2.00