Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 24

Waxing Crescent 16%

13:29

17:45

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
01 Bad
02 Bad

Sun - Rise: 08:44, Set: 15:33, Transit: 12:09. Moon - Rise: 13:29, Set: 17:45. Civil Dark: 16:26 - 07:52. Nautical Dark: 17:20 - 06:58. Astro Dark: 18:10 - 06:08

Total Clouds (% Sky Obscured)

92
94
95
99
99
100
100
100
100
100
100
100
100
99
99
96
85
93
88
93
91
84
89
90

Low Clouds (% Sky Obscured)

89
90
81
88
91
86
83
81
80
76
78
80
56
69
67
49
19
42
47
69
74
71
63
58

Medium Clouds (% Sky Obscured)

88
94
95
96
97
98
100
100
100
100
100
100
100
98
86
77
69
67
50
51
49
47
70
51

High Clouds (% Sky Obscured)

92
94
40
51
57
64
100
100
100
37
82
100
100
96
95
66
63
93
58
13
8
5
10
10

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
1
1
2
0
1
0
0
2
0
1
2
78
98
99
98

Precipitation Type

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

Precipitation Probability (%)

95
95
49
43
39
30
37
40
33
29
19
9
6
1
0
0
0
0
0
0
1
1
3
4

Precipitation Amount (mm)

1
0.5
0.3
0.2
0.2
0.1
0.1
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
98
96
98
98
98
100
98
98
93
91
91
93
93
93
91
91
92
91
91
89
89
86

Pressure (mb)

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

Ozone (du)

263
263
263
266
269
269
270
270
270
270
269
267
265
262
261
264
266
268
271
273
274
276
277
279

Tuesday 25

Waxing Crescent 24%

13:35

19:23

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

Sun - Rise: 08:47, Set: 15:32, Transit: 12:09. Moon - Rise: 13:35, Set: 19:23. Civil Dark: 16:24 - 07:54. Nautical Dark: 17:19 - 07:00. Astro Dark: 18:09 - 06:09

Total Clouds (% Sky Obscured)

89
94
100
100
97
97
96
94
89
83
61
37
28
26
16
19
9
3
6
15
18
29
51
54

Low Clouds (% Sky Obscured)

32
69
94
91
93
84
69
53
85
83
52
35
27
25
16
19
8
0
5
15
18
29
51
54

Medium Clouds (% Sky Obscured)

72
69
72
87
77
77
79
76
35
12
12
1
1
1
1
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

12
18
21
14
4
1
1
1
1
1
1
1
2
2
0
0
0
2
0
0
0
0
0
0

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 (%)

39
3
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
4
4
4
4
4
4
3
2
2
2
0
2
1
0
1
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
5
6
5
5
4
4
4
4
4
3
2
2
2
2
2
2
1
1
1
1
1
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
84
83
83
83
84
84
87
88
89
91
92
92
92
92
94
94
94
92
91
89
87
86
81

Pressure (mb)

1005
1005
1005
1006
1006
1007
1008
1008
1009
1010
1010
1011
1011
1012
1012
1013
1013
1013
1014
1014
1015
1015
1015
1015

Ozone (du)

283
284
283
284
285
286
290
292
295
298
298
293
289
291
295
297
297
300
303
301
303
309
307
305

Wednesday 26

Waxing Crescent 33%

13:37

21:00

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

Sun - Rise: 08:49, Set: 15:30, Transit: 12:09. Moon - Rise: 13:37, Set: 21:00. Civil Dark: 16:23 - 07:56. Nautical Dark: 17:17 - 07:01. Astro Dark: 18:08 - 06:11

Total Clouds (% Sky Obscured)

50
27
37
37
51
50
48
35
28
37
48
68
72
70
72
72
71
75
80
85
83
81
79
68

Low Clouds (% Sky Obscured)

50
27
37
37
51
50
48
35
28
37
48
68
69
70
72
68
71
75
80
85
83
81
79
68

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
1
1
1
1
0
0
0
0
0
0
20
30
3
8
41
50

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
1
5
9
15
16
17
20

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
73
73
75
76
78
79
78
74
74
74
75
81
83
83
83
84
84
84
84
84
86
87
87

Pressure (mb)

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

Ozone (du)

308
308
311
312
311
310
309
308
308
306
302
299
295
294
293
295
297
299
301
302
302
303
303
302

Thursday 27

Waxing Crescent 44%

13:38

22:36

03 Bad
04 Bad
05 Bad
06 Bad
07 OK
08 OK
09 Good
10 Good
11 OK
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
01 Bad
02 Bad

Sun - Rise: 08:51, Set: 15:28, Transit: 12:10. Moon - Rise: 13:38, Set: 22:36. Civil Dark: 16:22 - 07:58. Nautical Dark: 17:16 - 07:03. Astro Dark: 18:07 - 06:13

Total Clouds (% Sky Obscured)

58
48
43
38
34
23
11
0
19
41
57
57
62
65
77
87
99
100
100
100
99
94
98
98

Low Clouds (% Sky Obscured)

58
48
43
38
34
23
11
0
19
37
55
54
62
64
76
86
97
83
86
79
81
68
87
90

Medium Clouds (% Sky Obscured)

0
0
0
1
5
5
10
0
15
20
0
0
0
0
25
43
50
100
99
79
55
83
86
80

High Clouds (% Sky Obscured)

40
35
35
30
30
23
11
0
19
20
8
2
3
3
32
64
90
90
80
90
73
50
28
50

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 (%)

18
8
12
8
2
4
4
0
1
1
1
9
19
22
25
26
28
24
22
18
20
18
23
32

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
89
87
87
86
84
83
84
83
84
84
86
89
89
86
84
81
80
80
80
86
93
94
94

Pressure (mb)

1016
1016
1016
1015
1015
1015
1015
1015
1015
1014
1013
1013
1013
1012
1012
1012
1011
1011
1010
1010
1009
1009
1009
1008

Ozone (du)

304
302
300
302
303
305
309
310
311
309
306
307
308
306
305
308
307
305
305
305
302
302
299
297

Friday 28

First Quarter 54%

13:37

00:10

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
01 Bad
02 Bad

Sun - Rise: 08:53, Set: 15:27, Transit: 12:10. Moon - Rise: 13:37, Set: 00:10. Civil Dark: 16:21 - 08:00. Nautical Dark: 17:15 - 07:05. Astro Dark: 18:06 - 06:14

Total Clouds (% Sky Obscured)

99
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)

95
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

87
93
84
58
64
65
67
68
96
98
92
94
95
98
96
94
92
90
89
88
87
87
86
87

High Clouds (% Sky Obscured)

73
96
92
91
88
100
100
100
100
98
99
94
89
84
64
39
13
8
4
5
6
2
3
35

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
3
1
4
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None

Precipitation Probability (%)

45
58
56
57
56
51
47
42
44
47
37
53
48
35
36
40
45
45
44
40
46
52
57
53

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
10
9
9
9
9
10
11
11
13
15
15
16
16
16
16
15
14
14
14
15
14
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
94
93
91
96
98
98
98
96
96
94
94
94
96
94
94
93
94
93
93
93
94
94

Pressure (mb)

1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1009

Ozone (du)

293
289
286
282
281
278
277
277
277
274
272
270
268
266
264
263
262
261
261
261
260
261
261
262

Saturday 29

Waxing Gibbous 65%

13:36

01:46

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
01 Bad
02 Bad

Sun - Rise: 08:55, Set: 15:26, Transit: 12:10. Moon - Rise: 13:36, Set: 01:46. Civil Dark: 16:20 - 08:01. Nautical Dark: 17:15 - 07:06. Astro Dark: 18:05 - 06:16

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
97
91
86
77
68
68
64
83
90
90
90
90
96

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
97
91
86
77
68
68
64
83
85
80
46
32
27

Medium Clouds (% Sky Obscured)

86
85
75
72
61
64
70
76
75
80
75
75
70
50
25
25
25
20
15
15
15
15
20
20

High Clouds (% Sky Obscured)

66
97
98
99
100
96
92
96
87
86
80
61
32
4
32
65
68
64
63
42
45
46
44
39

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 (%)

43
19
18
16
8
13
14
13
15
16
9
10
11
6
9
8
4
10
13
16
22
26
28
31

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
85
83
80
79
78
79
79
80
79
76
76
76
78
80
82
85
88
91
93
96
94
94
96

Pressure (mb)

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

Ozone (du)

263
264
266
267
268
269
270
271
272
273
275
276
277
278
279
279
279
280
279
278
277
276
276
275

Sunday 30

Waxing Gibbous 76%

13:35

No Set

Sun - Rise: 08:57, Set: 15:24, Transit: 12:11. Moon - Rise: 13:35, Set: No Set. Civil Dark: 16:19 - 08:03. Nautical Dark: 17:14 - 07:08. Astro Dark: 18:04 - 06:17

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 Vols, Helsinki, Finland (60.17,24.39)

Generated: 24/11/25 03:10:52. Forecast: 24/11/25 to 30/11/25. Timezone: UTC+2.00