Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 11

Third Quarter 47%

00:07

13:19

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

Sun - Rise: N/A, Set: N/A, Transit: 12:30. Moon - Rise: 00:07, Set: 13:19. Civil Dark: 14:59 - 10:01. Nautical Dark: 16:35 - 08:25. Astro Dark: 17:50 - 07:11

Total Clouds (% Sky Obscured)

16
43
56
100
90
12
6
10
13
12
12
12
11
10
5
5
5
5
3
3
2
0
0
0

Low Clouds (% Sky Obscured)

16
43
56
92
80
6
4
6
8
7
7
8
7
7
4
4
4
4
2
2
2
0
0
0

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
0
0
3
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
9
3
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
4
4
4
4
5
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-17
-18
-17
-17
-18
-18
-19
-19
-20
-20
-21
-21
-21
-22
-22
-22
-22
-23
-23
-24
-24
-24
-24
-23

Relative Humidity (%)

79
79
82
84
83
83
82
80
78
76
74
74
74
74
74
74
75
74
72
71
70
70
70
72

Pressure (mb)

1013
1014
1014
1015
1015
1016
1017
1018
1019
1019
1020
1021
1022
1023
1024
1025
1025
1026
1026
1027
1028
1028
1029
1029

Ozone (du)

321
322
323
325
325
327
330
331
332
336
340
342
340
339
338
335
334
335
334
342
342
334
327
320

Friday 12

Waning Crescent 37%

01:56

12:57

08 OK
09 OK
10 OK
11 OK
12 OK
13 Bad
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 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: N/A, Set: N/A, Transit: 12:30. Moon - Rise: 01:56, Set: 12:57. Civil Dark: 14:58 - 10:03. Nautical Dark: 16:35 - 08:26. Astro Dark: 17:50 - 07:12

Total Clouds (% Sky Obscured)

2
2
7
14
9
62
13
58
46
91
98
95
95
95
95
95
95
90
90
90
96
100
100
100

Low Clouds (% Sky Obscured)

2
2
3
2
4
3
4
4
4
4
28
52
65
72
68
68
73
68
40
35
27
32
42
88

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
58
100
100
100

High Clouds (% Sky Obscured)

0
0
2
9
4
53
13
46
32
80
90
82
75
75
70
75
75
75
80
85
85
85
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
4
3
3
3
3
3
6
6
6
6
6
0

Fog (%)

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

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
2
8
28

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

Chance of Frost

Temperature (°C)

-20
-20
-20
-20
-20
-20
-20
-20
-19
-19
-19
-19
-19
-19
-19
-19
-19
-18
-18
-18
-17
-17
-17
-17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
70
70
70
70
71
75
76
77
77
78
78
79
79
79
79
79
79
80
80
80
80
82
84

Pressure (mb)

1030
1031
1031
1032
1032
1032
1033
1033
1033
1033
1033
1033
1032
1032
1032
1032
1032
1031
1030
1029
1029
1028
1027
1026

Ozone (du)

320
321
322
319
312
311
305
298
293
290
283
281
280
281
281
283
285
288
287
287
290
295
298
299

Saturday 13

Waning Crescent 35%

03:45

12:35

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
05 Bad
06 Bad
07 Bad

Sun - Rise: N/A, Set: N/A, Transit: 12:31. Moon - Rise: 03:45, Set: 12:35. Civil Dark: 14:58 - 10:04. Nautical Dark: 16:34 - 08:28. Astro Dark: 17:50 - 07:13

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
98
96
97
97
98
99
99
98
97

Low Clouds (% Sky Obscured)

90
89
87
88
88
88
93
91
92
93
95
94
94
93
92
93
94
94
96
97
99
99
98
97

Medium Clouds (% Sky Obscured)

100
100
98
100
100
100
100
100
100
100
100
100
100
94
90
69
66
55
48
44
40
18
10
1

High Clouds (% Sky Obscured)

93
85
90
100
100
99
100
100
100
99
91
91
87
92
93
23
12
10
4
2
0
0
0
23

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

39
40
40
42
39
39
45
53
60
65
69
69
65
60
52
43
40
38
31
36
37
36
32
29

Precipitation Amount (mm)

0.1
0.1
0.1
0.1
0.1
0
0.2
0.2
0.3
0.3
0.4
0.4
0.3
0.3
0.2
0.1
0.1
0.1
0
0.1
0.1
0.1
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
86
86
88
88
88
88
88
88
88
88
90
88
88
86
88
88
86
86
88
86
86
86
86

Pressure (mb)

1025
1023
1023
1022
1022
1021
1020
1020
1019
1019
1019
1018
1018
1017
1017
1017
1016
1016
1015
1015
1014
1014
1013
1012

Ozone (du)

298
299
300
300
301
304
308
312
315
318
320
322
328
333
338
345
355
363
369
372
372
373
372
366

Sunday 14

Waning Crescent 28%

05:44

12:11

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
05 Bad
06 Bad
07 Bad

Sun - Rise: N/A, Set: N/A, Transit: 12:31. Moon - Rise: 05:44, Set: 12:11. Civil Dark: 14:57 - 10:06. Nautical Dark: 16:34 - 08:29. Astro Dark: 17:49 - 07:14

Total Clouds (% Sky Obscured)

96
94
93
95
96
97
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

96
94
93
95
96
97
97
97
98
97
96
94
94
94
94
95
96
98
95
97
97
98
98
98

Medium Clouds (% Sky Obscured)

0
0
0
9
19
29
34
41
48
73
99
100
100
100
100
100
100
100
99
29
31
98
99
100

High Clouds (% Sky Obscured)

93
36
93
95
95
75
40
95
95
97
98
100
100
100
100
99
98
97
65
10
11
34
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

31
32
35
36
38
40
41
44
43
46
48
51
58
59
63
69
65
57
51
47
39
46
48
54

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-14
-14
-14
-14
-15
-15
-15
-15
-15
-16
-16
-16
-16
-16
-16
-16
-16
-16
-16
-16
-16
-16
-15
-15

Relative Humidity (%)

86
86
86
86
84
86
86
86
88
86
86
86
88
88
88
88
88
88
86
86
86
88
88
88

Pressure (mb)

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

Ozone (du)

362
357
355
355
357
350
329
317
313
309
313
313
309
302
289
285
286
289
292
294
296
294
292
296

Monday 15

Waning Crescent 19%

No Rise

11:39

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
05 Bad
06 Bad
07 Bad

Sun - Rise: N/A, Set: N/A, Transit: 12:32. Moon - Rise: No Rise, Set: 11:39. Civil Dark: 14:56 - 10:07. Nautical Dark: 16:34 - 08:30. Astro Dark: 17:49 - 07:15

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

99
99
100
100
100
100
100
100
100
100
100
99
99
98
96
94
92
90
83
76
70
78
88
98

Medium Clouds (% Sky Obscured)

70
53
100
100
100
100
100
100
100
100
100
100
67
69
72
64
56
48
44
40
40
45
40
40

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
97
100
100
100
100
100
100
100
100
85
69
51

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

59
62
67
71
69
69
82
95
95
95
92
79
49
53
56
52
48
45
36
30
26
21
19
21

Precipitation Amount (mm)

0.2
0.2
0.3
0.3
0.3
0.3
0.5
1
1.1
0.8
0.7
0.4
0.2
0.2
0.3
0.2
0.2
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
11
11
11
11
11
12
11
12
12
11
11
10
13
11
9
8
7
6
6
6
5
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
88
88
88
88
86
88
92
92
92
92
90
90
90
92
92
94
96
94
94
96
96
94

Pressure (mb)

1007
1007
1007
1007
1006
1005
1005
1004
1004
1003
1003
1002
1001
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002

Ozone (du)

300
291
292
294
300
301
303
301
295
294
291
285
282
280
279
278
278
278
277
278
279
280
283
285

Tuesday 16

Waning Crescent 12%

08:21

10:32

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
05 Bad
06 Bad
07 Bad

Sun - Rise: N/A, Set: N/A, Transit: 12:32. Moon - Rise: 08:21, Set: 10:32. Civil Dark: 14:56 - 10:09. Nautical Dark: 16:34 - 08:31. Astro Dark: 17:49 - 07:16

Total Clouds (% Sky Obscured)

100
100
100
98
96
94
96
98
100
96
93
90
93
96
100
100
100
100
91
83
74
78
82
86

Low Clouds (% Sky Obscured)

98
99
99
97
94
91
93
95
97
95
91
89
93
96
100
92
80
71
56
38
22
28
35
40

Medium Clouds (% Sky Obscured)

27
14
1
3
5
5
24
43
52
28
5
0
3
6
9
18
28
40
41
42
46
44
42
41

High Clouds (% Sky Obscured)

37
19
2
1
1
1
2
2
3
2
2
2
19
36
53
68
83
98
88
78
68
71
74
77

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
6
9
9
9
9
7
5

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

27
35
40
52
59
60
53
44
29
33
29
21
19
17
11
12
10
3
5
8
2
4
6
0

Precipitation Amount (mm)

0
0
0
0.1
0.2
0.2
0.1
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
4
3
2
2
3
4
4
3
2
2
3
4
4
5
5
5
4
4
4
4

Chance of Frost

Temperature (°C)

-11
-11
-11
-10
-10
-9
-9
-7
-6
-5
-4
-4
-4
-4
-4
-5
-4
-4
-5
-6
-7
-8
-8
-8

Feels Like (°C)

-16
-15
-16
-15
-14
-12
-11
-11
-11
-9
-8
-6
-5
-8
-8
-10
-9
-10
-11
-8
-8
-8
-8
-8

Dew Point (°C)

-12
-11
-11
-10
-10
-10
-9
-7
-6
-5
-5
-5
-5
-4
-4
-5
-5
-6
-6
-8
-9
-10
-10
-9

Relative Humidity (%)

96
96
96
98
98
96
96
98
96
98
96
94
92
94
96
98
94
90
89
89
87
88
88
88

Pressure (mb)

1002
1002
1002
1002
1002
1002
1003
1003
1003
1003
1003
1003
1004
1004
1004
1004
1004
1003
1003
1003
1003
1003
1003
1003

Ozone (du)

288
296
303
311
316
321
326
327
329
330
331
332
334
332
331
329
328
328
327
328
330
332
338
344

Wednesday 17

Waning Crescent 7%

No Rise

No Set

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

Sun - Rise: N/A, Set: N/A, Transit: 12:33. Moon - Rise: No Rise, Set: No Set. Civil Dark: 14:56 - 10:10. Nautical Dark: 16:34 - 08:32. Astro Dark: 17:50 - 07:17

Total Clouds (% Sky Obscured)

91
95
100
100
100
100
100
100
100
98
95
93
83
73
64
66
69
74

Low Clouds (% Sky Obscured)

49
53
59
57
54
54
52
53
55
57
57
57
60
66
64
66
69
72

Medium Clouds (% Sky Obscured)

60
79
98
97
95
93
94
91
91
79
69
64
46
28
10
7
3
0

High Clouds (% Sky Obscured)

85
92
98
97
96
95
85
81
76
70
63
52
41
31
22
31
40
43

ISS Passover

Visibility (miles)

3
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Fog (%)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

16
23
27
23
17
6
7
4
0
0
0
0
1
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
89
90
90
89
90
90
90
90
90
90
90
90
90
90
90
90

Pressure (mb)

1002
1002
1002
1002
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001

Ozone (du)

350
351
353
354
351
349
346
346
346
346
341
336
331
331
331
331
322
314

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

Generated: 11/12/25 08:02:03. Forecast: 11/12/25 to 17/12/25. Timezone: UTC+2.00