Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 23

Waxing Crescent 10%

No Rise

No Set

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

Sun - Rise: 10:59, Set: 13:47, Transit: 12:23. Moon - Rise: No Rise, Set: No Set. Civil Dark: 15:36 - 09:10. Nautical Dark: 16:59 - 07:49. Astro Dark: 18:10 - 06:38

Total Clouds (% Sky Obscured)

22
39
50
38
30
19
30
28
12
7
2
8
37
66
63
21
27
26
36
24
20
44
60
70

Low Clouds (% Sky Obscured)

22
39
13
11
8
6
8
12
12
7
2
2
2
2
2
2
8
6
4
4
2
2
2
7

Medium Clouds (% Sky Obscured)

19
21
20
2
2
3
9
6
2
2
0
0
0
0
0
1
3
1
1
3
8
41
60
60

High Clouds (% Sky Obscured)

22
28
11
15
19
6
4
6
0
0
0
4
28
47
46
11
8
10
21
7
7
30
24
38

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
72
72
70
69
69
70
71
72
73
73
73
74
74
75
75
75
75
74
73
71
70
69
71

Pressure (mb)

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

Ozone (du)

311
313
314
314
312
310
310
309
308
307
307
309
310
309
309
308
309
308
307
305
303
305
307
310

Monday 24

Waxing Crescent 16%

No Rise

No Set

08 Bad
09 Bad
10 Bad
11 Bad
12 OK
13 OK
14 OK
15 OK
16 OK
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: 11:07, Set: 13:40, Transit: 12:23. Moon - Rise: No Rise, Set: No Set. Civil Dark: 15:33 - 09:14. Nautical Dark: 16:57 - 07:52. Astro Dark: 18:09 - 06:40

Total Clouds (% Sky Obscured)

72
73
67
36
25
21
17
16
23
71
97
99
99
98
99
99
99
98
98
98
97
95
95
98

Low Clouds (% Sky Obscured)

7
2
4
4
2
8
4
5
5
38
42
38
18
4
23
25
22
25
30
39
50
39
27
30

Medium Clouds (% Sky Obscured)

59
61
67
12
4
2
1
2
23
66
60
89
81
69
67
64
65
48
50
46
40
37
44
73

High Clouds (% Sky Obscured)

29
44
30
4
4
4
4
4
4
21
71
80
75
75
70
75
75
75
80
85
85
60
8
4

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
6
4
4
8
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
1
1
2
2
2
1
2
4
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
2
2
2
0
1
0
2
2
2
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
71
71
72
73
77
79
82
84
85
85
85
85
86
87
87
86
86
84
86
84
84
84
82

Pressure (mb)

1009
1009
1009
1008
1008
1008
1008
1007
1007
1007
1007
1007
1006
1005
1005
1005
1004
1004
1004
1004
1004
1003
1003
1003

Ozone (du)

312
313
313
312
310
308
312
316
322
325
325
322
324
328
331
335
339
340
340
341
344
348
348
347

Tuesday 25

Waxing Crescent 24%

No Rise

No Set

08 Bad
09 OK
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: 11:14, Set: 13:33, Transit: 12:24. Moon - Rise: No Rise, Set: No Set. Civil Dark: 15:30 - 09:17. Nautical Dark: 16:55 - 07:55. Astro Dark: 18:07 - 06:43

Total Clouds (% Sky Obscured)

82
23
95
77
54
75
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
93
86
79

Low Clouds (% Sky Obscured)

26
23
54
47
42
42
50
54
52
51
49
47
69
64
52
68
50
37
29
20
14
13
25
11

Medium Clouds (% Sky Obscured)

42
5
57
19
54
56
67
99
90
87
98
100
100
100
100
100
100
100
100
100
99
90
82
75

High Clouds (% Sky Obscured)

0
0
0
1
14
48
94
94
100
100
97
100
100
100
100
97
93
92
88
86
85
88
86
79

ISS Passover

Visibility (miles)

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

Fog (%)

3
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 (%)

1
8
23
7
8
8
9
9
13
21
18
14
15
10
3
1
0
0
0
0
1
6
7
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
4
4
4
4
4
4
4
5
4
3
3
3
4
5
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
82
84
88
88
86
86
88
88
88
90
88
88
90
88
88
86
86
86
86
84
84
86
86

Pressure (mb)

1003
1004
1004
1003
1004
1004
1004
1004
1004
1005
1005
1005
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006

Ozone (du)

348
349
351
354
355
356
351
344
341
343
345
349
349
342
337
335
336
337
338
339
342
344
344
344

Wednesday 26

Waxing Crescent 33%

15:43

19:30

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: 11:22, Set: 13:25, Transit: 12:24. Moon - Rise: 15:43, Set: 19:30. Civil Dark: 15:28 - 09:20. Nautical Dark: 16:53 - 07:57. Astro Dark: 18:05 - 06:45

Total Clouds (% Sky Obscured)

77
76
75
81
84
88
88
90
93
96
98
84
96
93
88
92
96
96
93
100
100
80
98
96

Low Clouds (% Sky Obscured)

10
12
21
21
23
28
33
64
77
12
6
17
35
55
15
47
32
5
28
44
82
60
81
81

Medium Clouds (% Sky Obscured)

77
76
60
49
76
88
88
88
87
91
97
38
96
93
88
92
79
25
30
30
30
40
51
51

High Clouds (% Sky Obscured)

77
76
75
81
84
88
88
90
93
96
8
36
53
42
19
46
79
79
74
97
78
24
76
55

ISS Passover

Visibility (miles)

9
9
7
6
6
6
6
4
1
9
9
7
7
3
9
6
5
9
9
7
7
6
5
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
Snow
Snow

Precipitation Probability (%)

0
0
0
0
1
0
1
18
4
1
1
1
2
4
14
9
13
0
0
1
2
25
39
51

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
0.1
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1006
1007
1007
1007
1008
1007
1007
1007
1007
1006
1007
1007
1007
1007
1006
1006
1005
1005
1005
1004
1004
1003
1002
1001

Ozone (du)

341
341
339
336
336
337
341
344
349
350
347
347
348
348
350
350
349
349
348
345
345
343
343
343

Thursday 27

Waxing Crescent 44%

14:53

21:56

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: 11:32, Set: 13:17, Transit: 12:24. Moon - Rise: 14:53, Set: 21:56. Civil Dark: 15:25 - 09:23. Nautical Dark: 16:52 - 07:59. Astro Dark: 18:04 - 06:47

Total Clouds (% Sky Obscured)

98
97
78
45
50
59
57
57
79
81
74
48
45
48
52
64
77
89
92
96
99
100
100
100

Low Clouds (% Sky Obscured)

97
95
69
43
49
54
52
52
72
74
68
45
43
44
46
59
70
82
84
82
85
92
97
99

Medium Clouds (% Sky Obscured)

61
65
37
38
36
43
28
14
0
2
4
6
17
11
4
11
18
25
25
25
29
36
36
40

High Clouds (% Sky Obscured)

12
7
2
0
0
0
5
10
10
9
8
3
1
0
0
1
3
4
22
39
57
71
85
95

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

61
63
60
41
27
11
19
22
27
21
15
3
19
15
3
7
11
8
8
6
6
5
6
3

Precipitation Amount (mm)

0.3
0.2
0.2
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
5
5
4
4
4
4
3
3
4
4
4
5
5
5
4
4
4
3
3
2
2
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
92
90
90
90
90
92
90
92
92
92
92
90
92
92
92
92
94
94
96
94
94
94

Pressure (mb)

1000
1000
999
999
999
999
999
999
1000
1000
1000
1000
1001
1001
1002
1003
1003
1003
1003
1003
1003
1003
1003
1003

Ozone (du)

340
339
339
340
341
341
343
347
348
345
341
331
323
317
310
304
301
298
295
290
286
281
280
278

Friday 28

First Quarter 55%

14:24

00:02

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: 11:42, Set: 13:07, Transit: 12:25. Moon - Rise: 14:24, Set: 00:02. Civil Dark: 15:23 - 09:27. Nautical Dark: 16:50 - 07:59. Astro Dark: 18:02 - 06:49

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)

98
98
98
97
95
94
79
63
47
63
80
100
99
98
97
98
98
98
97
95
91
85
81
76

Medium Clouds (% Sky Obscured)

43
47
50
66
80
93
95
96
98
98
99
100
99
98
97
100
100
98
99
99
100
100
100
100

High 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

ISS Passover

Visibility (miles)

3
2
1
0
3
6
9
6
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

14
17
20
16
11
4
21
28
33
42
52
56
45
40
36
46
62
79
94
85
71
75
67
58

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
94
92
90
88
88
88
87
90
90
94
92
94
92
94
94
94
94
96
96
96
96

Pressure (mb)

1003
1002
1002
1002
1002
1001
1000
999
998
998
997
996
996
996
996
996
995
995
995
995
995
995
995
995

Ozone (du)

277
274
272
270
266
263
260
257
255
252
250
248
245
245
245
244
246
247
248
252
255
258
259
259

Saturday 29

Waxing Gibbous 66%

13:59

02:04

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: 11:55, Set: 12:55, Transit: 12:25. Moon - Rise: 13:59, Set: 02:04. Civil Dark: 15:20 - 09:30. Nautical Dark: 16:48 - 08:02. Astro Dark: 18:01 - 06:51

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

69
61
53
58
63
70
79
88
95
90
88
85
79
71
66
49
31
15

Medium Clouds (% Sky Obscured)

96
92
88
62
37
12
9
12
8
8
6
0
17
31
47
52
60
65

High Clouds (% Sky Obscured)

100
100
100
100
100
100
77
52
26
22
17
10
39
68
98
96
94
86

ISS Passover

Visibility (miles)

1
1
0
0
0
0
0
3
6
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

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

Precipitation Probability (%)

57
54
47
56
51
31
38
34
19
21
16
4
4
5
0
1
1
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-4
-3
-3
-3
-3
-2
-2
-2
-1
-1
-1
-2
-2
-3
-3
-3
-4
-4

Feels Like (°C)

-9
-7
-6
-6
-6
-6
-6
-6
-6
-5
-6
-6
-7
-5
-4
-3
-4
-5

Dew Point (°C)

-4
-4
-4
-4
-3
-3
-2
-2
-2
-2
-3
-3
-4
-5
-4
-4
-4
-5

Relative Humidity (%)

96
96
96
98
98
98
98
96
96
94
91
89
87
87
91
92
94
92

Pressure (mb)

995
996
996
997
998
998
999
999
1000
1000
1001
1002
1002
1003
1003
1004
1003
1003

Ozone (du)

260
261
263
264
263
263
262
265
268
271
268
264
260
260
260
261
261
261

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

Generated: 23/11/25 08:40:12. Forecast: 23/11/25 to 29/11/25. Timezone: UTC+2.00