Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 15

Waning Crescent 19%

05:44

11:39

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
23 Bad
00 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
100
100
100
100
96
55
66
89
94
88
77
56

Low Clouds (% Sky Obscured)

100
100
100
100
99
100
100
100
100
100
98
100
100
100
97
97
85
54
62
84
85
79
71
55

Medium Clouds (% Sky Obscured)

3
16
37
95
99
92
66
62
67
67
81
100
100
100
100
96
41
0
0
0
0
0
0
1

High Clouds (% Sky Obscured)

4
0
0
31
18
85
84
100
100
100
100
100
100
100
80
28
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

1
1
1
1
1
1
0
1
0
0
0
0
0
0
0
0
0
7
5
2
1
1
2
1

Fog (%)

0
0
1
2
2
6
3
1
1
1
1
4
4
8
10
6
2
1
0
0
0
2
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
12
27
75
54
22
11
10
37
62
93
95
95
87
56
26
0
3
7
10
14
6
14

Precipitation Amount (mm)

0
0
0
0
0.5
0.3
0
0
0
0
0.3
0.6
1
1
0.5
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
8
7
7
8
8
8
8
9
10
11
12
12
10
9
5
4
3
3
3
2
1
1
1

Chance of Frost

Temperature (°C)

-8
-9
-9
-9
-9
-8
-8
-8
-8
-8
-8
-8
-8
-8
-8
-7
-5
-6
-5
-5
-5
-5
-5
-5

Feels Like (°C)

-13
-13
-13
-14
-13
-13
-13
-13
-12
-13
-14
-13
-13
-13
-13
-11
-9
-9
-8
-8
-8
-8
-9
-8

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

998
998
998
998
998
997
997
996
996
995
995
994
993
993
993
993
993
993
994
995
996
997
997
998

Ozone (du)

290
290
287
281
277
277
281
291
293
301
300
302
291
288
286
292
304
305
303
301
302
301
304
302

Tuesday 16

Waning Crescent 12%

08:21

10:32

01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 OK
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

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)

56
78
87
90
84
55
37
14
72
88
90
96
97
97
96
100
100
99
97
99
100
100
100
100

Low Clouds (% Sky Obscured)

56
76
75
75
69
43
33
14
63
73
74
85
87
83
81
77
71
75
70
75
75
70
67
65

Medium Clouds (% Sky Obscured)

0
0
0
0
0
2
1
0
49
65
68
22
2
2
67
94
75
61
45
28
90
66
95
96

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
4
4
6
2
0
7
15
46
67
94
100
100
99
96

ISS Passover

Visibility (miles)

1
0
0
0
0
0
1
2
1
2
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

10
11
5
1
2
1
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)

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

Chance of Frost

Temperature (°C)

-5
-5
-5
-4
-5
-5
-5
-5
-6
-6
-6
-6
-6
-6
-6
-5
-5
-6
-6
-6
-6
-6
-6
-6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

999
999
1000
1000
1001
1001
1001
1002
1003
1004
1005
1005
1005
1006
1006
1005
1005
1005
1005
1005
1005
1005
1004
1004

Ozone (du)

299
298
295
294
292
294
295
293
290
287
286
289
291
293
296
295
294
296
297
302
309
321
328
330

Wednesday 17

Waning Crescent 7%

No Rise

No Set

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

Total Clouds (% Sky Obscured)

100
98
98
96
95
95
96
83
82
80
79
37
72
74
86
97
90
100
100
94
88
75
68
93

Low Clouds (% Sky Obscured)

35
35
31
28
28
56
38
41
26
25
28
37
40
32
42
29
50
26
22
35
42
46
51
49

Medium Clouds (% Sky Obscured)

100
93
92
83
66
47
79
35
38
48
37
2
28
3
2
91
54
100
99
78
48
26
36
45

High Clouds (% Sky Obscured)

85
85
85
90
95
90
90
83
82
63
6
3
58
74
86
85
86
85
85
80
80
63
13
93

ISS Passover

Visibility (miles)

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

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
3
6
5
0
0
0
0
0
2
0
1
0
0
2
0
1
4
5
15
14

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)

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

Chance of Frost

Temperature (°C)

-6
-7
-7
-7
-7
-8
-8
-9
-8
-8
-8
-8
-8
-8
-8
-8
-8
-8
-8
-8
-8
-8
-8
-8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
89
89
87
87
87
88
88
87
85
85
85
87
87
87
88
88
88
88
88
88
88
87

Pressure (mb)

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

Ozone (du)

325
322
324
329
334
342
357
364
364
369
374
379
381
376
375
375
372
370
367
352
334
315
291
286

Thursday 18

Waning Crescent 3%

No Rise

No Set

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
23 Bad
00 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)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
91
97
98
99
66
67
66

Low Clouds (% Sky Obscured)

49
55
12
17
19
25
23
14
79
88
29
37
69
99
77
65
69
82
88
80
96
63
62
60

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
80
94
93
96
98
82
86
27
25
25
20
14
25
38

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
98
97
95
97
98
100
100
12
9
45
3
4
6
6

ISS Passover

Visibility (miles)

5
2
9
9
9
7
7
9
4
9
9
9
9
3
9
9
7
7
6
6
5
2
1
1

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
Snow
Snow
None
None
None
None
None

Precipitation Probability (%)

4
8
6
0
0
0
0
3
10
0
0
0
1
19
17
21
33
39
42
27
16
7
12
15

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

283
276
284
288
291
293
283
268
254
253
247
243
241
247
251
255
260
268
273
274
279
282
289
295

Friday 19

Waning Crescent 1%

No Rise

No Set

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
23 Bad
00 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)

65
63
62
63
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

61
61
61
59
85
92
96
100
100
100
100
93
82
85
86
88
91
95
99
99
98
98
98
97

Medium Clouds (% Sky Obscured)

43
34
27
22
16
8
0
0
0
0
27
73
100
100
100
100
100
100
100
98
96
94
81
68

High Clouds (% Sky Obscured)

2
0
0
2
64
85
85
88
92
97
98
99
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

14
14
10
3
2
1
0
0
0
0
1
3
3
25
38
50
69
84
95
95
90
80
70
64

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.2
0.3
0.5
0.6
0.7
0.6
0.4
0.3
0.3

Wind Speed/Direction (mph)

3
3
3
3
3
2
3
3
4
4
4
6
7
7
7
8
9
10
11
12
11
10
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-9
-8
-8
-8
-8
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-6
-6
-6
-6
-5
-5
-6
-6
-6

Relative Humidity (%)

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

Pressure (mb)

1007
1007
1007
1008
1008
1008
1008
1008
1008
1008
1008
1007
1006
1006
1004
1003
1002
1000
999
997
996
995
994
993

Ozone (du)

297
301
302
296
294
295
304
303
302
308
310
307
301
298
296
294
292
289
287
284
287
289
291
295

Saturday 20

New Moon 0%

No Rise

No Set

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
23 Bad
00 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: 16:35 - 08:34. Astro Dark: 17:50 - 07:18

Total Clouds (% Sky Obscured)

100
100
100
100
99
98
97
100
99
99
99
99
100
100
100
100
96
92
88
91
95
98
99
99

Low Clouds (% Sky Obscured)

97
92
88
85
89
89
93
97
97
95
89
82
81
77
73
70
71
72
73
81
89
98
98
98

Medium Clouds (% Sky Obscured)

54
61
68
75
81
85
87
87
88
91
89
88
88
86
82
74
55
35
12
8
4
0
7
14

High Clouds (% Sky Obscured)

100
100
100
100
99
98
97
79
59
38
42
46
50
67
80
95
78
54
33
25
15
5
37
65

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

65
61
52
43
42
42
43
55
56
50
65
68
56
49
39
28
42
41
34
44
41
27
34
29

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

993
992
992
992
992
991
991
991
991
991
991
992
992
993
993
994
995
995
996
997
997
998
998
999

Ozone (du)

298
301
309
316
324
324
324
324
324
323
322
317
311
306
302
297
293
293
293
294
296
299
302
306

Sunday 21

Waxing Crescent 2%

No Rise

No Set

Sun - Rise: N/A, Set: N/A, Transit: 12:35. Moon - Rise: No Rise, Set: No Set. Civil Dark: 14:57 - 10:13. Nautical Dark: 16:35 - 08:35. Astro Dark: 17:51 - 07:19

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

Generated: 15/12/25 00:58:39. Forecast: 15/12/25 to 21/12/25. Timezone: UTC+2.00