Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waning Crescent 8%

05:07

14:30

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: 08:28, Set: 15:47, Transit: 12:07. Moon - Rise: 05:07, Set: 14:30. Civil Dark: 16:37 - 07:37. Nautical Dark: 17:29 - 06:45. Astro Dark: 18:19 - 05:55

Total Clouds (% Sky Obscured)

63
72
74
83
89
87
70
68
67
71
85
82
90
100
96
99
98
99
100
100
100
99
100
98

Low Clouds (% Sky Obscured)

63
72
68
63
63
56
60
49
41
36
28
13
31
38
53
53
64
64
65
65
76
82
93
85

Medium Clouds (% Sky Obscured)

63
72
74
73
76
69
26
43
58
67
79
53
56
87
74
96
69
68
71
75
81
76
78
71

High Clouds (% Sky Obscured)

0
0
0
1
0
1
1
1
1
1
3
13
14
9
2
1
1
1
1
0
0
0
0
0

ISS Passover

Visibility (miles)

7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
9
9
9
9
9
9
8

Fog (%)

3
67
21
20
1
1
1
2
6
2
1
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 (%)

29
24
18
16
19
13
6
5
4
5
6
6
7
6
5
6
8
8
9
12
12
17
10
7

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
92
94
94
94
89
88
86
89
93
84
80
83
94
92
89
88
88
89
92
92

Pressure (mb)

996
996
996
996
996
996
997
997
997
997
998
998
998
998
998
998
998
999
999
999
999
999
999
999

Ozone (du)

299
294
293
293
286
283
283
288
293
292
291
298
309
314
319
319
316
316
316
318
322
325
325
320

Tuesday 18

Waning Crescent 3%

06:33

14:29

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 OK
16 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good

Sun - Rise: 08:30, Set: 15:44, Transit: 12:07. Moon - Rise: 06:33, Set: 14:29. Civil Dark: 16:35 - 07:40. Nautical Dark: 17:28 - 06:47. Astro Dark: 18:17 - 05:57

Total Clouds (% Sky Obscured)

100
99
89
96
80
96
64
50
61
67
76
64
35
11
0
1
2
8
5
7
6
6
6
6

Low Clouds (% Sky Obscured)

75
61
64
56
57
64
64
50
61
67
76
64
34
11
0
0
0
0
0
0
0
1
1
1

Medium Clouds (% Sky Obscured)

100
95
27
55
70
81
29
1
0
0
0
0
0
0
0
0
0
0
1
2
2
2
2
2

High Clouds (% Sky Obscured)

9
25
25
14
1
1
1
0
0
0
0
0
0
0
0
1
2
5
3
2
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 (%)

5
4
4
3
1
1
0
1
1
0
0
0
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
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
7
7
7
7
7
8
8
8
8
8
8
6
6
6
5
4
3
3
2
2
2
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
91
87
86
84
81
76
72
70
72
75
74
68
69
70
75
79
81
81
81
81
82
82

Pressure (mb)

999
999
999
999
999
999
1000
1000
1000
1000
1001
1001
1002
1002
1003
1004
1004
1005
1005
1006
1006
1007
1007
1008

Ozone (du)

316
314
307
299
297
297
300
300
304
311
313
314
311
306
305
304
303
299
294
295
295
293
297
300

Wednesday 19

Waning Crescent 1%

08:03

14:30

03 OK
04 OK
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: 08:32, Set: 15:42, Transit: 12:07. Moon - Rise: 08:03, Set: 14:30. Civil Dark: 16:33 - 07:42. Nautical Dark: 17:26 - 06:49. Astro Dark: 18:16 - 05:59

Total Clouds (% Sky Obscured)

19
44
33
83
100
100
100
100
100
100
100
100
100
100
98
89
96
97
99
100
100
100
100
98

Low Clouds (% Sky Obscured)

10
16
10
5
35
45
3
16
0
46
81
84
93
91
95
85
84
85
87
88
91
95
98
93

Medium Clouds (% Sky Obscured)

2
2
0
68
78
57
72
93
100
100
100
100
100
100
95
73
87
91
96
100
100
100
100
88

High Clouds (% Sky Obscured)

1
2
22
83
96
83
72
35
86
67
31
24
20
20
10
22
40
58
79
97
76
56
55
54

ISS Passover

Visibility (miles)

9
9
1
0
1
3
9
9
9
9
9
9
9
8
0
0
0
0
0
0
0
0
0
0

Fog (%)

0
0
0
0
4
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
Snow
None
None

Precipitation Probability (%)

0
1
15
16
13
3
3
3
7
16
38
56
76
95
94
95
95
85
66
55
59
61
44
36

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.8
0.7
0.7
0.7
0.6
0.2
0
0
0.2
0
0

Wind Speed/Direction (mph)

1
2
2
3
3
3
3
4
5
6
7
7
8
9
10
10
11
10
9
7
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-8
-8
-7
-5
-4
-5
-5
-5
-5
-5
-6
-6
-6
-5
-1
-1
-1
-1
-1
-1
-1
-0
0
-1

Relative Humidity (%)

81
79
82
92
94
92
89
82
77
69
64
61
60
66
94
98
98
98
98
98
98
98
98
98

Pressure (mb)

1008
1008
1009
1008
1008
1009
1009
1009
1009
1008
1008
1007
1007
1007
1006
1006
1005
1005
1005
1005
1005
1005
1005
1006

Ozone (du)

300
303
309
318
331
336
337
331
327
328
327
327
328
327
325
325
324
320
316
316
317
317
315
313

Thursday 20

New Moon 0%

09:37

14:33

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: 08:35, Set: 15:41, Transit: 12:08. Moon - Rise: 09:37, Set: 14:33. Civil Dark: 16:32 - 07:44. Nautical Dark: 17:25 - 06:51. Astro Dark: 18:15 - 06:01

Total Clouds (% Sky Obscured)

97
95
97
98
100
94
88
82
88
94
100
99
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

88
84
86
89
92
85
78
71
69
68
65
71
81
86
87
87
89
89
88
88
91
96
100
97

Medium Clouds (% Sky Obscured)

73
61
72
87
99
72
46
24
44
61
75
81
79
100
100
100
100
99
98
85
98
99
100
100

High Clouds (% Sky Obscured)

48
51
40
34
37
9
6
2
0
0
2
1
12
15
40
68
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

0
0
0
1
2
3
4
9
8
9
9
9
9
9
9
9
9
1
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

35
37
35
39
45
36
34
13
9
16
15
19
24
17
31
41
42
51
57
60
61
61
57
58

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
100
98
98
96
94
96
94
91
89
92
92
92
92
94
94
96
98
98
96
98
100
98

Pressure (mb)

1006
1007
1007
1008
1008
1009
1009
1010
1010
1011
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

311
309
307
305
303
302
299
300
301
301
300
298
298
299
298
297
297
297
296
297
300
302
304
305

Friday 21

Waxing Crescent 1%

11:09

14:44

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: 08:37, Set: 15:39, Transit: 12:08. Moon - Rise: 11:09, Set: 14:44. Civil Dark: 16:30 - 07:46. Nautical Dark: 17:23 - 06:53. Astro Dark: 18:13 - 06:03

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
99
97
94
88
83
78
74
70
67
69
72
77
83

Low Clouds (% Sky Obscured)

94
91
94
97
100
97
93
89
87
84
81
77
73
69
67
66
65
65
66
66
67
68
70
75

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
98
93
88
81
67
53
40
27
14
1
1
1
2
10

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
70
39
7
7
6
4
9
5
4
2
1
1
1
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
4
0
3
6
9
9
9
9
7
6
4
5
5
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

61
63
77
90
95
95
95
88
75
56
44
60
47
34
31
25
17
14
11
3
8
6
3
5

Precipitation Amount (mm)

0.3
0.3
0.5
0.7
0.9
0.9
0.8
0.6
0.5
0.2
0.1
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
6
6
6
6
6
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1011
1011
1011
1011
1011
1012
1012
1012
1013
1013
1013
1014
1014
1015
1015
1016
1016
1017
1017
1017
1018
1018
1018
1019

Ozone (du)

306
305
307
308
310
313
314
313
312
313
315
316
316
317
317
318
318
319
319
318
318
316
314
313

Saturday 22

Waxing Crescent 5%

12:27

15:12

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 OK
23 OK
00 OK
01 Bad
02 Bad

Sun - Rise: 08:40, Set: 15:37, Transit: 12:08. Moon - Rise: 12:27, Set: 15:12. Civil Dark: 16:28 - 07:48. Nautical Dark: 17:22 - 06:54. Astro Dark: 18:12 - 06:04

Total Clouds (% Sky Obscured)

88
93
93
93
93
88
83
77
75
72
72
79
85
83
79
74
55
53
28
24
30
35
40
53

Low Clouds (% Sky Obscured)

77
81
78
76
72
73
74
76
72
70
72
77
78
72
58
40
20
19
20
24
30
35
40
53

Medium Clouds (% Sky Obscured)

19
27
38
51
63
44
26
8
12
12
18
16
17
24
49
62
55
53
28
24
30
25
1
8

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
0
4
6
12
7
7
8
7
3
0
0
0
0
0
0
0
1

ISS Passover

Visibility (miles)

7
8
9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
2
4
7
9
7
5
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

4
2
4
3
1
3
3
1
5
6
4
4
3
1
5
6
5
10
11
9
8
5
1
3

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
92
92
92
92
92
90
89
89
89
89
91
91
91
90
92
92
94
94
96
96
94
96
96

Pressure (mb)

1019
1019
1019
1020
1020
1020
1021
1021
1022
1022
1022
1023
1023
1023
1024
1024
1024
1024
1025
1025
1025
1025
1026
1026

Ozone (du)

313
313
313
311
310
308
311
313
316
315
314
312
313
313
313
315
316
318
317
316
316
314
312
310

Sunday 23

Waxing Crescent 9%

13:12

16:15

Sun - Rise: 08:42, Set: 15:35, Transit: 12:08. Moon - Rise: 13:12, Set: 16:15. Civil Dark: 16:27 - 07:50. Nautical Dark: 17:21 - 06:56. Astro Dark: 18:11 - 06:06

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: 17/11/25 03:24:45. Forecast: 17/11/25 to 23/11/25. Timezone: UTC+2.00