Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 25

Waxing Crescent 24%

13:37

19:23

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

Sun - Rise: 08:49, Set: 15:32, Transit: 12:09. Moon - Rise: 13:37, Set: 19:23. Civil Dark: 16:24 - 07:56. Nautical Dark: 17:19 - 07:01. Astro Dark: 18:09 - 06:11

Total Clouds (% Sky Obscured)

89
84
79
76
32
32
1
1
33
37
77
84
91
96
89
85
44
76
24
18
10
7
5
4

Low Clouds (% Sky Obscured)

69
73
79
53
32
32
0
0
33
37
76
80
86
93
80
72
43
62
19
7
2
2
2
2

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

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

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
6
13
2
2
3
5
2
1
1
1
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)

7
5
4
4
2
2
2
1
1
1
2
2
2
2
3
3
2
2
2
3
3
3
3
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
91
91
92
92
94
92
92
89
87
84
82
75
78
80
80
86
91
91
89
84
81
83
87

Pressure (mb)

1011
1012
1013
1013
1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018

Ozone (du)

292
293
297
299
300
300
300
302
303
306
304
306
305
307
311
311
309
309
307
302
295
294
294
295

Wednesday 26

Waxing Crescent 33%

13:38

21:00

15 Good
16 OK
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
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: 08:51, Set: 15:30, Transit: 12:10. Moon - Rise: 13:38, Set: 21:00. Civil Dark: 16:23 - 07:58. Nautical Dark: 17:17 - 07:03. Astro Dark: 18:08 - 06:13

Total Clouds (% Sky Obscured)

10
18
8
7
6
6
5
6
4
3
48
70
94
80
82
74
92
100
99
69
98
64
100
100

Low Clouds (% Sky Obscured)

9
18
6
1
1
1
1
0
0
0
48
70
92
79
78
72
86
100
98
59
94
57
49
82

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
7
0
5
0
20
36
20
0
12
0
69
83

High Clouds (% Sky Obscured)

1
1
0
0
0
0
0
1
0
0
0
0
0
2
2
0
0
0
0
49
30
25
100
100

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
1
2
3
5
1
1
0
0
1
0
0
0
0
0
1
1
14
37
10
7
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 (%)

2
1
2
2
1
1
1
2
1
1
2
3
7
7
4
6
7
13
20
15
2
6
2
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)

2
3
2
2
2
2
2
2
2
2
2
3
3
4
4
5
6
6
6
7
8
8
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
94
94
96
94
94
94
92
92
92
94
94
92
91
89
87
86
77
77
74
77
77

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016
1016
1015
1015
1014
1014
1014
1013
1012

Ozone (du)

293
289
290
292
293
291
290
291
293
293
293
293
296
296
296
299
298
296
297
296
295
291
291
289

Thursday 27

Waxing Crescent 44%

13:37

22:36

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: 08:53, Set: 15:28, Transit: 12:10. Moon - Rise: 13:37, Set: 22:36. Civil Dark: 16:22 - 08:00. Nautical Dark: 17:16 - 07:05. Astro Dark: 18:07 - 06:14

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
98
94
100
99
94
91
100
100
99
99
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

68
73
82
83
80
82
87
95
84
100
98
94
90
100
100
93
98
99
99
100
100
100
100
100

Medium Clouds (% Sky Obscured)

75
79
90
98
96
96
73
65
47
35
30
30
21
8
2
36
73
77
81
81
81
76
83
80

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
72
69
72
89
69
62
61
32
69
34
56
76
100
92
84
35
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 (%)

1
2
1
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

14
24
45
58
56
55
40
30
19
9
8
3
1
0
1
0
0
3
4
6
11
20
35
47

Precipitation Amount (mm)

0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
9
9
10
9
10
11
10
9
8
8
8
8
8
8
9
10
10
10
11
13
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
76
74
76
76
79
80
82
82
82
82
82
83
86
89
90
90
90
90
90
90
91
88
93

Pressure (mb)

1011
1011
1010
1010
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

287
289
289
287
284
282
280
277
278
278
278
277
275
273
273
272
271
270
271
272
271
272
274
274

Friday 28

First Quarter 54%

13:36

00:10

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: 08:55, Set: 15:27, Transit: 12:10. Moon - Rise: 13:36, Set: 00:10. Civil Dark: 16:21 - 08:01. Nautical Dark: 17:15 - 07:06. Astro Dark: 18:06 - 06:16

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
97
95

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
94
90
88

Medium Clouds (% Sky Obscured)

88
92
95
88
86
88
86
83
81
75
94
93
92
91
93
82
49
46
88
81
34
27
23
23

High Clouds (% Sky Obscured)

50
59
56
55
50
53
63
70
66
61
52
80
90
100
100
100
100
70
47
10
5
5
5
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
0
0
0
0
0
0
0
0
9
9
9
2
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
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

49
52
46
37
9
21
24
26
26
30
58
74
78
61
37
28
29
28
30
22
21
17
19
17

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
13
14
14
13
13
13
12
12
12
12
12
12
12
13
13
13
13
13
13
14
13
12
12

Chance of Frost

Temperature (°C)

7
7
7
7
7
7
6
6
7
6
6
6
6
5
6
6
6
6
6
6
6
6
6
6

Feels Like (°C)

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

Dew Point (°C)

6
6
6
6
5
5
5
5
6
5
6
5
5
5
5
5
5
5
5
5
5
5
5
3

Relative Humidity (%)

93
93
93
90
90
90
91
93
93
91
94
96
96
94
96
96
94
94
94
94
94
96
90
83

Pressure (mb)

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

Ozone (du)

275
276
277
280
284
287
291
296
298
298
296
293
290
289
291
292
293
293
291
292
292
290
291
290

Saturday 29

Waxing Gibbous 65%

13:35

01:46

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: 08:57, Set: 15:26, Transit: 12:11. Moon - Rise: 13:35, Set: 01:46. Civil Dark: 16:20 - 08:03. Nautical Dark: 17:15 - 07:08. Astro Dark: 18:05 - 06:17

Total Clouds (% Sky Obscured)

94
93
96
97
100
100
100
100
100
100
100
100
100
100
94
87
80
80
79
79
83
87
91
90

Low Clouds (% Sky Obscured)

81
79
85
94
100
100
100
100
100
100
100
100
100
100
93
86
79
79
78
78
81
84
87
86

Medium Clouds (% Sky Obscured)

20
18
24
30
39
45
53
74
61
43
28
44
59
82
57
30
0
0
0
1
0
0
0
3

High Clouds (% Sky Obscured)

5
9
13
17
18
16
8
5
5
5
5
9
12
14
24
9
3
2
1
1
3
3
5
3

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

Precipitation Probability (%)

12
2
11
5
7
15
26
43
38
29
17
19
20
24
24
21
17
18
20
25
23
19
17
17

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
88
88
85
78
82
79
80
82
83
91
94
93
94
94
94
94
94
94
93
93
90
88
86

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1010
1010
1010
1010

Ozone (du)

289
289
286
284
281
279
279
280
281
282
283
283
282
282
282
282
282
283
281
280
278
278
278
278

Sunday 30

Waxing Gibbous 76%

13:35

03:25

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: 08:59, Set: 15:24, Transit: 12:11. Moon - Rise: 13:35, Set: 03:25. Civil Dark: 16:19 - 08:05. Nautical Dark: 17:14 - 07:09. Astro Dark: 18:04 - 06:19

Total Clouds (% Sky Obscured)

89
88
88
87
85
86
88
91
94
96
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

82
81
76
73
72
76
79
83
88
90
85
74
73
79
84
88
92
95
97
96
96
95
100
96

Medium Clouds (% Sky Obscured)

7
10
16
17
23
31
36
42
47
49
57
46
40
50
81
87
93
87
80
72
59
45
36
48

High Clouds (% Sky Obscured)

2
0
1
2
3
6
9
5
22
31
43
56
75
95
97
98
100
100
100
99
96
92
87
91

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
Very Light Rain
None

Precipitation Probability (%)

15
6
9
10
7
6
6
5
7
8
8
8
6
5
6
5
0
3
6
8
26
38
50
45

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
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
83
82
83
88
89
89
89
89
91
94
96
93
93
93
93
93
94
93
94
93
94
94
94

Pressure (mb)

1010
1010
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1010
1010

Ozone (du)

278
278
279
278
278
277
279
280
282
283
284
286
287
288
289
290
292
293
296
299
302
305
308
312

Monday 1

Waxing Gibbous 86%

13:35

05:12

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: 09:01, Set: 15:23, Transit: 12:12. Moon - Rise: 13:35, Set: 05:12. Civil Dark: 16:18 - 08:06. Nautical Dark: 17:13 - 07:11. Astro Dark: 18:04 - 06:20

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
99
100
100
98
97
96
96
84
81

Low Clouds (% Sky Obscured)

91
88
81
74
69
76
85
86
88
89
91
84
76
69
72
72
71

Medium Clouds (% Sky Obscured)

61
80
88
93
100
95
89
83
65
61
53
67
72
76
84
82
80

High Clouds (% Sky Obscured)

96
100
100
100
100
78
55
33
53
73
94
96
97
96
91
81
72

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

38
25
25
25
23
42
53
57
44
36
37
44
54
64
63
57
47

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
7
7
7
6
5
6
6
6
6
6
7
7
7
7
7
7

Chance of Frost

Temperature (°C)

4
4
4
3
3
3
3
3
3
4
4
4
4
3
3
3
3

Feels Like (°C)

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

Dew Point (°C)

3
3
3
3
2
2
2
2
3
3
3
3
3
2
2
2
2

Relative Humidity (%)

94
94
94
94
93
91
93
93
94
94
93
93
93
93
93
93
93

Pressure (mb)

1010
1009
1009
1009
1009
1008
1008
1008
1008
1007
1007
1007
1007
1006
1006
1006
1006

Ozone (du)

311
311
311
309
307
305
305
305
306
303
301
299
298
296
295
291
288

Forecast for Vols, Helsinki, Finland (60.17,24.39)

Generated: 25/11/25 15:46:37. Forecast: 25/11/25 to 01/12/25. Timezone: UTC+2.00