Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 13

Waning Crescent 28%

03:45

12:11

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: N/A, Set: N/A, Transit: 12:31. Moon - Rise: 03:45, Set: 12:11. Civil Dark: 14:57 - 10:06. Nautical Dark: 16:34 - 08:29. Astro Dark: 17:50 - 07:13

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
97
96
96
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

98
99
100
100
100
98
96
95
96
96
92
91
94
95
100
100
99
98
98
99
100
100
100
100

Medium Clouds (% Sky Obscured)

89
86
83
91
100
99
97
87
92
91
75
58
3
3
4
4
10
36
57
77
57
96
96
100

High Clouds (% Sky Obscured)

87
66
50
79
90
85
70
27
57
85
85
22
4
8
12
91
100
100
100
100
100
100
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
0
0
0
0
0

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2
2
2
2
2
2

Precipitation Type

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

Precipitation Probability (%)

1
4
33
28
31
37
40
39
36
35
34
27
19
20
23
23
23
25
27
33
33
35
47
94

Precipitation Amount (mm)

0
0
0
0
0
0.1
0.2
0.1
0.1
0.1
0.1
0
0
0
0
0
0
0
0
0
0
0.1
0.1
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
88
88
88
90
90
90
88
90
90
88
90
90
88
90
88
90
88
90
88
90
88
90

Pressure (mb)

1018
1017
1017
1016
1016
1015
1015
1014
1014
1014
1013
1012
1012
1011
1011
1010
1009
1008
1006
1006
1005
1004
1002
1001

Ozone (du)

313
316
317
321
331
343
355
368
368
366
368
372
375
366
355
355
350
339
326
310
305
299
299
297

Sunday 14

Waning Crescent 19%

05:44

11:39

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: N/A, Set: N/A, Transit: 12:32. Moon - Rise: 05:44, Set: 11:39. Civil Dark: 14:56 - 10:07. Nautical Dark: 16:34 - 08:30. Astro Dark: 17:49 - 07:14

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
99
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
99
100
100
100
100
100
100
89
85
99
99
100
100
99
98
99
100
100
100
100
100

Medium Clouds (% Sky Obscured)

100
100
100
72
46
31
43
38
30
35
52
41
65
65
70
75
65
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

82
100
32
24
0
9
4
46
10
80
70
75
57
7
100
99
100
100
100
100
100
100
100
50

ISS Passover

Visibility (miles)

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

Fog (%)

3
7
7
6
5
2
1
1
1
1
1
1
1
5
3
1
1
1
1
1
1
6
11
3

Precipitation Type

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

Precipitation Probability (%)

95
95
79
41
40
24
25
17
16
20
16
2
2
5
41
87
89
85
80
86
95
95
95
95

Precipitation Amount (mm)

0.9
0.9
0.5
0.1
0.2
0
0
0
0
0
0
0
0
0
0.1
0.8
0.7
0.6
0.5
0.6
0.7
1.2
1.2
1.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-11
-11
-11
-11
-10
-10
-10
-10
-10
-9
-9
-8
-8
-7
-8
-8
-7
-6
-7
-7
-7
-6
-6
-6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
90
90
90
92
92
90
92
92
92
94
94
96
96
98
98
98
98
98
96
96
94

Pressure (mb)

1000
999
998
998
997
997
997
997
997
997
997
997
997
997
997
997
996
995
995
994
993
991
990
990

Ozone (du)

294
301
298
288
286
288
286
286
285
281
282
282
281
291
292
295
295
300
303
301
297
290
287
290

Monday 15

Waning Crescent 12%

08:21

10:32

16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
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

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 - 07:15

Total Clouds (% Sky Obscured)

100
88
32
84
99
93
61
41
19
20
19
41
48
47
50
51
59
67
82
93
97
96
87
78

Low Clouds (% Sky Obscured)

99
88
32
80
96
77
61
41
19
20
19
41
47
46
49
49
48
46
45
47
62
69
71
65

Medium Clouds (% Sky Obscured)

80
49
20
15
61
55
5
0
0
0
0
0
0
0
0
0
0
0
0
16
32
80
81
67

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
13
28
70
69
95
67
78

ISS Passover

Visibility (miles)

0
4
9
1
1
0
1
9
9
9
9
7
3
6
1
0
0
0
0
0
0
0
0
0

Fog (%)

0
0
3
0
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

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

Precipitation Probability (%)

79
34
39
54
84
85
37
9
7
7
10
12
8
4
10
3
1
1
0
1
1
0
0
0

Precipitation Amount (mm)

0.5
0
0
0.1
0.5
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
7
5
4
5
8
12
18
20
19
17
16
13
11
11
10
9
8
7
7
5
3
3
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-9
-7
-6
-6
-7
-8
-6
-5
-7
-5
-3
-2
-2
-2
-2
-3
-2
-2
-3
-3
-4
-4
-5
-5

Dew Point (°C)

-5
-4
-4
-4
-4
-4
-2
-2
-3
-3
-1
-1
-1
0
0
0
0
-0
-1
-1
-1
-2
-2
-3

Relative Humidity (%)

96
98
94
92
91
94
96
86
77
78
86
92
92
94
94
96
94
94
94
96
96
96
96
96

Pressure (mb)

990
989
990
990
990
990
991
992
993
994
995
996
998
999
1000
1000
1001
1001
1002
1003
1003
1004
1005
1005

Ozone (du)

296
303
305
310
311
309
307
307
309
306
310
304
306
302
299
296
295
292
290
290
291
291
294
293

Tuesday 16

Waning Crescent 7%

No Rise

No Set

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 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: 17:49 - 07:16

Total Clouds (% Sky Obscured)

70
65
57
49
54
66
77
88
94
100
100
100
100
100
82
95
100
85
100
99
99
98
93
64

Low Clouds (% Sky Obscured)

70
65
57
49
54
65
70
70
62
60
62
53
68
70
72
68
62
70
27
22
18
40
50
53

Medium Clouds (% Sky Obscured)

55
43
39
44
50
66
49
77
94
100
100
100
65
44
29
25
30
34
100
90
53
12
26
38

High Clouds (% Sky Obscured)

70
65
57
49
54
66
77
88
94
100
100
100
100
86
28
74
100
37
100
98
97
90
58
4

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
7
9
9
9
9
9
6
6

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
2
0
5
11
16
48
63
75
71
64
56
42
32
21
18
19

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.5
0.4
0.3
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

1
1
1
1
2
2
2
3
3
3
3
3
3
4
4
5
4
4
4
4
4
3
3
2

Chance of Frost

Temperature (°C)

-2
-3
-4
-4
-5
-5
-6
-6
-6
-6
-6
-6
-6
-6
-6
-6
-6
-6
-6
-6
-6
-6
-7
-7

Feels Like (°C)

-6
-7
-7
-7
-8
-9
-9
-10
-9
-9
-9
-9
-9
-10
-11
-10
-10
-10
-9
-9
-10
-10
-10
-10

Dew Point (°C)

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

Relative Humidity (%)

96
94
94
94
94
94
94
94
96
94
92
90
89
89
87
85
84
82
84
85
87
89
90
90

Pressure (mb)

1005
1005
1005
1005
1005
1005
1004
1004
1004
1003
1003
1003
1003
1003
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002

Ozone (du)

294
292
293
296
303
312
317
324
331
329
332
338
349
357
360
365
369
374
375
380
381
374
368
369

Wednesday 17

Waning Crescent 3%

No Rise

No Set

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: N/A, Set: N/A, Transit: 12:33. Moon - Rise: No Rise, Set: No Set. Civil Dark: 14:56 - 10:11. Nautical Dark: 16:34 - 08:33. Astro Dark: 17:50 - 07:17

Total Clouds (% Sky Obscured)

60
81
79
97
96
98
98
97
97
97
99
99
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

53
76
74
73
72
79
90
86
76
57
65
73
80
72
65
58
46
41
33
34
43
44
52
53

Medium Clouds (% Sky Obscured)

55
44
27
14
11
6
20
20
20
25
44
70
76
83
83
79
75
72
68
59
51
43
42
41

High Clouds (% Sky Obscured)

0
0
0
85
85
85
90
90
90
95
95
99
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

2
0
0
0
0
0
0
0
1
5
7
8
8
9
9
8
7
8
8
8
9
9
9
8

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

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

Precipitation Probability (%)

20
31
28
16
30
26
10
11
11
6
38
40
26
25
21
14
12
10
9
11
13
17
19
23

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-7
-7
-7
-7
-7
-7
-7
-7
-7
-8
-8
-8
-8
-7
-7
-7
-8
-8
-8
-8
-8
-8
-7
-7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
94
94
96
96
96
96
96
96
94
94
94
94
94
94
92
92
90
90
88
88
88
89
89

Pressure (mb)

1002
1002
1002
1002
1003
1003
1003
1004
1004
1004
1004
1003
1003
1003
1003
1003
1003
1004
1004
1004
1005
1005
1005
1005

Ozone (du)

365
353
328
313
291
283
287
274
275
281
282
282
283
283
271
259
246
247
247
248
248
248
248
254

Thursday 18

Waning Crescent 1%

No Rise

No Set

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: N/A, Set: N/A, Transit: 12:34. Moon - Rise: No Rise, Set: No Set. Civil Dark: 14:56 - 10:12. Nautical Dark: 16:34 - 08:33. Astro Dark: 17:50 - 07:18

Total Clouds (% Sky Obscured)

100
100
100
100
92
85
78
71
63
54
64
74
84
89
95
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

54
51
53
53
53
56
60
62
63
54
62
63
63
71
81
91
91
91
90
90
89
91
93
95

Medium Clouds (% Sky Obscured)

36
28
24
21
27
33
38
42
45
44
33
32
36
35
30
25
37
49
61
65
71
71
60
54

High Clouds (% Sky Obscured)

100
100
100
100
77
54
31
21
11
0
21
43
64
76
85
95
100
100
95
100
95
100
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

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

Precipitation Probability (%)

30
30
27
28
28
29
33
37
44
51
56
56
56
49
42
36
32
28
24
19
16
14
10
8

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
92
92
92
96
96
96
94
96
96
96
96
96
98
96
98
98
96
96
96
96
96
94
96

Pressure (mb)

1005
1006
1006
1006
1007
1007
1008
1009
1009
1010
1010
1011
1011
1011
1012
1012
1013
1013
1014
1014
1014
1014
1014
1014

Ozone (du)

260
266
273
281
288
297
305
314
320
326
332
329
326
323
316
308
301
298
295
292
290
289
287
286

Friday 19

Waning Crescent 0%

No Rise

No Set

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: 12:34. Moon - Rise: No Rise, Set: No Set. Civil Dark: 14:56 - 10:12. Nautical Dark: 16:34 - 08:34. Astro Dark: 17:50 - 07:18

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

96
96
96
96
97
97
98
99
99
99
99
97
96
96
95
96

Medium Clouds (% Sky Obscured)

49
58
64
67
52
40
27
29
27
28
24
16
8
14
15
28

High Clouds (% Sky Obscured)

100
97
95
92
85
79
72
80
88
96
86
76
66
50
34
17

ISS Passover

Visibility (miles)

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

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

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

Precipitation Probability (%)

7
12
16
19
21
22
24
36
46
55
71
78
81
69
56
41

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-11
-11
-11
-10
-10
-14
-13
-14
-13
-14
-15
-16
-17
-18
-17
-17

Dew Point (°C)

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

Relative Humidity (%)

94
94
96
94
94
94
94
92
94
94
96
96
98
98
98
98

Pressure (mb)

1014
1014
1014
1013
1013
1013
1012
1012
1011
1010
1009
1008
1007
1006
1006
1005

Ozone (du)

285
283
282
281
279
279
279
280
281
282
283
285
288
290
288
286

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

Generated: 13/12/25 16:05:24. Forecast: 13/12/25 to 19/12/25. Timezone: UTC+2.00