Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 29

Waxing Gibbous 65%

13:16

01:38

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

Sun - Rise: 10:28, Set: 13:36, Transit: 12:02. Moon - Rise: 13:16, Set: 01:38. Civil Dark: 15:17 - 08:49. Nautical Dark: 16:35 - 07:30. Astro Dark: 17:42 - 06:23

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
94
100
100
99
95
98
89
94
98
100
100
100
85
30
35
35

Low Clouds (% Sky Obscured)

93
83
84
81
100
99
100
90
82
100
100
98
81
88
72
84
97
90
43
4
0
0
0
0

Medium Clouds (% Sky Obscured)

100
100
100
61
48
44
42
92
39
25
15
60
72
84
34
36
83
91
98
100
85
20
20
20

High Clouds (% Sky Obscured)

95
95
95
90
95
74
4
5
65
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
1
9
0
0
0
0
0
0
0
0
0
9
9

Fog (%)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Snow
None
None
Snow
Snow
Snow
Snow
Snow
None
None
None

Precipitation Probability (%)

28
65
60
43
35
35
30
24
7
6
9
38
67
68
38
28
48
64
79
94
78
36
11
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
13
13
14
13
12
12
11
12
11
12
11
10
9
11
12
14
16
17
18
18
18
14
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-3
-3
-4
-4
-5
-4
-3
-3
-3
-3
-4
-4
-4
-3
-4
-5
-6
-8
-8
-10
-11
-12
-11
-11

Dew Point (°C)

2
2
2
1
1
1
2
2
2
1
1
1
-1
0
-0
-1
-2
-3
-3
-3
-4
-5
-8
-8

Relative Humidity (%)

98
100
98
96
98
98
98
98
98
98
98
98
91
98
98
98
96
94
94
94
94
91
76
79

Pressure (mb)

987
986
986
986
985
985
985
985
985
984
985
984
984
984
985
986
988
989
991
993
995
997
999
1000

Ozone (du)

281
280
280
282
283
283
281
283
285
287
287
287
288
290
293
292
293
293
291
289
289
290
295
300

Sunday 30

Waxing Gibbous 76%

12:56

03:39

15 OK
16 Bad
17 Bad
18 Bad
19 OK
20 Good
21 Good
22 OK
23 OK
00 OK
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

Sun - Rise: 10:32, Set: 13:32, Transit: 12:02. Moon - Rise: 12:56, Set: 03:39. Civil Dark: 15:15 - 08:51. Nautical Dark: 16:33 - 07:32. Astro Dark: 17:40 - 06:25

Total Clouds (% Sky Obscured)

28
31
43
47
37
5
2
20
26
25
78
92
100
100
100
100
100
100
100
100
91
94
98
95

Low Clouds (% Sky Obscured)

0
31
43
11
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

18
1
9
29
19
0
0
0
0
0
78
81
72
97
94
100
100
100
100
100
91
93
97
94

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
4
2
55
72
100
100
100
100
100
100
80
40
43
48
58
42

ISS Passover

Visibility (miles)

9
9
6
0
9
9
9
3
3
5
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
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
5
36
15
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
2
2

Precipitation Amount (mm)

0
0
0.1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-9
-8
-8
-7
-8
-8
-9
-9
-10
-11
-12
-12
-13
-13
-13
-13
-13
-13
-13
-12
-12
-12
-12
-12

Relative Humidity (%)

80
85
87
94
90
90
90
92
92
90
90
88
86
88
86
88
86
88
86
86
86
85
87
88

Pressure (mb)

1001
1002
1004
1005
1006
1008
1009
1010
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1010
1010

Ozone (du)

305
307
306
300
295
292
291
290
288
286
287
288
286
286
286
284
284
286
288
287
286
290
293
291

Monday 1

Waxing Gibbous 85%

12:30

05:54

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

Sun - Rise: 10:37, Set: 13:28, Transit: 12:03. Moon - Rise: 12:30, Set: 05:54. Civil Dark: 15:13 - 08:54. Nautical Dark: 16:32 - 07:34. Astro Dark: 17:39 - 06:27

Total Clouds (% Sky Obscured)

97
99
100
100
100
100
99
33
14
4
4
5
5
21
5
30
21
36
85
89
80
62
49
63

Low Clouds (% Sky Obscured)

0
1
1
1
0
0
0
0
0
0
0
0
0
1
1
1
0
1
0
0
0
0
0
9

Medium Clouds (% Sky Obscured)

97
99
100
100
100
100
98
33
14
0
0
0
3
21
2
30
21
35
43
68
60
56
43
53

High Clouds (% Sky Obscured)

31
30
25
35
25
30
35
0
0
0
0
0
0
0
0
0
1
12
68
67
74
62
49
63

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 (%)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
85
85
86
86
85
88
86
86
86
86
86
86
84
86
84
84
84
84
86
84
86
86

Pressure (mb)

1009
1009
1009
1009
1009
1009
1010
1010
1010
1011
1011
1012
1012
1012
1013
1014
1014
1015
1015
1015
1016
1016
1016
1016

Ozone (du)

290
286
284
281
280
284
282
280
277
276
277
278
275
271
269
267
268
268
268
269
268
268
267
264

Tuesday 2

Waxing Gibbous 93%

11:35

08:48

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

Sun - Rise: 10:42, Set: 13:24, Transit: 12:03. Moon - Rise: 11:35, Set: 08:48. Civil Dark: 15:11 - 08:56. Nautical Dark: 16:31 - 07:36. Astro Dark: 17:38 - 06:29

Total Clouds (% Sky Obscured)

74
90
93
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
94
83
72
68

Low Clouds (% Sky Obscured)

19
28
30
32
34
49
63
78
80
85
95
97
99
100
98
86
87
90
84
79
60
45
20
10

Medium Clouds (% Sky Obscured)

67
81
85
90
98
98
98
100
100
100
100
100
100
100
100
100
100
95
69
63
51
40
31
23

High Clouds (% Sky Obscured)

53
8
53
77
100
99
98
100
100
100
100
90
78
65
77
89
87
65
70
62
43
9
21
8

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
6
0
0
0
0
1
0
0
1
2
2
2
4

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

Precipitation Probability (%)

0
0
2
2
1
15
17
9
40
51
57
77
91
95
95
95
95
92
74
46
35
25
3
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.1
0.2
0.2
0.5
0.7
0.8
0.8
0.9
0.9
0.7
0.4
0.1
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-13
-13
-14
-14
-13
-13
-12
-12
-10
-10
-9
-8
-8
-7
-7
-7
-7
-7
-7
-7
-7
-8
-8
-8

Feels Like (°C)

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

Dew Point (°C)

-15
-15
-15
-15
-15
-14
-13
-13
-12
-11
-10
-10
-9
-8
-8
-8
-8
-7
-7
-8
-8
-8
-9
-9

Relative Humidity (%)

86
88
88
90
88
88
90
90
90
90
90
88
92
94
94
94
94
96
96
96
96
96
98
98

Pressure (mb)

1016
1016
1016
1016
1016
1015
1015
1015
1014
1013
1012
1012
1011
1010
1009
1009
1009
1009
1010
1010
1011
1012
1013
1014

Ozone (du)

266
268
264
264
261
258
254
253
253
252
252
252
252
250
249
248
247
246
245
244
244
245
247
247

Wednesday 3

Waxing Gibbous 98%

No Rise

No Set

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

Sun - Rise: 10:47, Set: 13:20, Transit: 12:03. Moon - Rise: No Rise, Set: No Set. Civil Dark: 15:10 - 08:59. Nautical Dark: 16:30 - 07:38. Astro Dark: 17:37 - 06:30

Total Clouds (% Sky Obscured)

59
49
58
73
93
95
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

10
10
25
45
63
69
74
79
86
93
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

14
7
31
60
78
85
92
100
97
95
93
88
83
77
59
40
20
36
53
70
80
85
90
90

High Clouds (% Sky Obscured)

27
40
30
40
40
55
68
67
28
11
0
1
1
1
3
6
13
49
76
95
95
95
95
95

ISS Passover

Visibility (miles)

4
7
9
9
8
8
9
7
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
None
None
None
None
None
None
None
None
None
None
None
None
Snow
Snow
Snow

Precipitation Probability (%)

3
0
0
0
1
0
0
1
5
12
13
20
22
24
27
29
30
27
24
23
36
49
57
60

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-12
-13
-13
-14
-14
-14
-14
-14
-13
-13
-13
-12
-11
-11
-10
-11
-10
-10
-9
-9
-9
-8
-8
-7

Dew Point (°C)

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

Relative Humidity (%)

96
98
96
98
98
98
98
98
98
98
98
100
100
100
100
98
98
98
98
96
98
98
98
100

Pressure (mb)

1014
1015
1015
1015
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016

Ozone (du)

247
248
247
245
243
243
243
245
247
247
247
249
249
249
249
250
250
251
251
250
250
252
254
256

Thursday 4

Waxing Gibbous 100%

No Rise

No Set

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

Sun - Rise: 10:51, Set: 13:16, Transit: 12:04. Moon - Rise: No Rise, Set: No Set. Civil Dark: 15:08 - 09:01. Nautical Dark: 16:29 - 07:40. Astro Dark: 17:36 - 06:32

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
87
75
64
70
80
85
88
91
96
97

Medium Clouds (% Sky Obscured)

85
80
70
50
40
53
77
100
100
100
100
100
100
100
92
88
82
56
29
4
11
18
23
26

High Clouds (% Sky Obscured)

95
95
95
96
100
100
99
96
97
99
100
100
100
100
95
88
85
73
75
72
62
44
30
21

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

64
67
65
64
63
61
60
60
55
49
40
38
35
32
27
21
6
4
2
0
4
5
2
6

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-6
-6
-5
-5
-4
-4
-4
-4
-5
-5
-5
-4
-3
-3
-3
-2
-1
-8
-9
-8
-9
-11
-11

Dew Point (°C)

-3
-3
-2
-2
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-2
-3
-4
-6
-6
-8
-8
-7
-7
-6

Relative Humidity (%)

98
98
98
98
98
98
98
98
98
98
98
98
100
100
100
98
96
96
96
94
94
96
96
98

Pressure (mb)

1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1017
1017
1017

Ozone (du)

259
262
264
265
265
266
266
265
265
270
275
281
282
283
285
284
283
282
283
284
284
285
286
287

Friday 5

Full Moon 98%

No Rise

No Set

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: 10:56, Set: 13:12, Transit: 12:04. Moon - Rise: No Rise, Set: No Set. Civil Dark: 15:07 - 09:03. Nautical Dark: 16:28 - 07:42. Astro Dark: 17:36 - 06:34

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
99
97
96
94
96
97
98
99
99
100

Low Clouds (% Sky Obscured)

99
100
100
100
100
99
99
99
97
96
94
96
97
98
99
99
100

Medium Clouds (% Sky Obscured)

24
22
32
47
65
45
26
6
5
3
3
11
19
26
26
26
26

High Clouds (% Sky Obscured)

11
2
12
20
29
22
12
0
0
0
0
6
14
19
36
45
50

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

6
2
8
10
6
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-5
-5
-4
-4
-4
-4
-5
-5
-6
-7
-7
-8
-7
-7
-7
-7
-7

Feels Like (°C)

-8
-9
-9
-9
-8
-8
-7
-8
-8
-8
-9
-8
-11
-11
-11
-11
-11

Dew Point (°C)

-5
-5
-4
-4
-4
-5
-5
-6
-6
-7
-8
-8
-8
-8
-7
-7
-8

Relative Humidity (%)

98
98
98
98
98
98
98
98
96
98
96
96
98
96
98
98
96

Pressure (mb)

1017
1017
1017
1017
1018
1018
1018
1019
1019
1020
1020
1020
1021
1021
1021
1021
1021

Ozone (du)

291
294
298
300
303
305
302
298
295
294
294
293
291
288
285
288
290

Forecast for Tähtelä, Pohjois-Lappi, Finland (67.37,26.63)

Generated: 29/11/25 15:06:48. Forecast: 29/11/25 to 05/12/25. Timezone: UTC+2.00