Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 19

Waning Crescent 4%

05:31

17:20

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

Sun - Rise: 08:13, Set: 18:00, Transit: 13:07. Moon - Rise: 05:31, Set: 17:20. Civil Dark: 18:43 - 07:30. Nautical Dark: 19:32 - 06:42. Astro Dark: 20:20 - 05:53

Total Clouds (% Sky Obscured)

8
18
23
29
37
22
44
6
4
7
17
38
54
65
48
30
50
91
94
100
100
100
100
99

Low Clouds (% Sky Obscured)

8
18
23
29
37
22
44
0
1
6
16
38
52
52
48
23
30
26
28
23
52
55
53
68

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
1
0
1
1
1
1
1
1
1
2
2
17
19
3
13
50
91
94
100
100
100
100
94

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
1
0
0
0
1
3
9
8
1
0
0
0
0
0
0
0
0
0
0
0
1
4
23

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
1
0
1
3
3
1
0
0
0
0
0
0
0
1
3
2
5
4
4
8
21
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)

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

Chance of Frost

Temperature (°C)

-2
-1
-0
1
1
1
1
2
2
4
6
8
8
9
9
9
8
6
5
4
4
5
5
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
84
86
86
88
88
88
89
88
80
71
64
59
56
57
63
73
83
88
89
86
75
78
82

Pressure (mb)

1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1018
1018
1018
1017
1017
1017
1017
1016

Ozone (du)

290
285
283
282
280
278
277
277
275
274
272
271
272
271
269
272
273
273
272
270
268
267
266
265

Monday 20

Waning Crescent 1%

06:56

17:19

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: 08:16, Set: 17:57, Transit: 13:07. Moon - Rise: 06:56, Set: 17:19. Civil Dark: 18:40 - 07:33. Nautical Dark: 19:29 - 06:44. Astro Dark: 20:18 - 05:56

Total Clouds (% Sky Obscured)

99
100
100
90
75
75
97
93
100
96
79
98
100
97
91
100
100
100
96
98
98
100
99
96

Low Clouds (% Sky Obscured)

62
53
62
57
57
53
87
70
85
54
46
81
79
73
62
57
29
47
81
54
72
81
92
60

Medium Clouds (% Sky Obscured)

0
0
47
1
0
0
8
40
65
56
47
78
96
86
51
61
99
100
39
46
22
31
16
43

High Clouds (% Sky Obscured)

95
100
100
75
33
17
11
11
7
18
19
19
53
49
65
100
100
100
84
94
90
100
86
81

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 (%)

29
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
1
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 (%)

22
19
18
17
20
19
21
21
22
23
22
25
12
17
6
13
6
5
5
16
13
20
5
10

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

Chance of Frost

Temperature (°C)

6
6
6
5
5
6
6
6
6
7
8
9
10
10
9
9
8
7
6
7
7
7
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
83
86
86
88
85
83
86
85
82
77
73
68
67
67
67
68
74
78
78
77
82
81
77

Pressure (mb)

1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014

Ozone (du)

264
265
265
265
264
263
259
258
259
259
257
253
254
255
254
254
252
254
255
254
251
248
245
241

Tuesday 21

New Moon 0%

08:22

17:17

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

Sun - Rise: 08:18, Set: 17:55, Transit: 13:06. Moon - Rise: 08:22, Set: 17:17. Civil Dark: 18:38 - 07:35. Nautical Dark: 19:26 - 06:47. Astro Dark: 20:15 - 05:58

Total Clouds (% Sky Obscured)

84
74
81
98
87
73
59
40
10
9
7
15
27
47
49
53
54
77
90
91
84
77
70
76

Low Clouds (% Sky Obscured)

65
65
49
38
39
49
53
30
0
0
0
12
26
45
48
46
45
51
59
77
69
61
53
64

Medium Clouds (% Sky Obscured)

51
39
16
0
0
2
1
4
10
9
2
2
4
1
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

40
33
55
94
63
50
36
40
10
9
7
15
20
21
20
24
29
52
69
68
60
56
55
56

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
78
76
81
83
85
86
83
78
74
72
75
74
74
74
75
75
78
78
79
81
83
85
86

Pressure (mb)

1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

239
238
238
237
237
237
238
240
240
240
240
239
238
239
240
241
244
247
247
246
246
246
246
247

Wednesday 22

Waxing Crescent 1%

09:50

17:17

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: 08:21, Set: 17:52, Transit: 13:06. Moon - Rise: 09:50, Set: 17:17. Civil Dark: 18:35 - 07:38. Nautical Dark: 19:24 - 06:49. Astro Dark: 20:12 - 06:00

Total Clouds (% Sky Obscured)

82
88
87
87
86
81
75
70
68
67
66
60
57
51
61
66
76
72
72
66
72
78
85
86

Low Clouds (% Sky Obscured)

76
88
87
86
85
80
75
70
68
67
64
60
57
51
58
55
63
61
63
63
66
64
64
57

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
7
14
21
25
25
21
25
28
57
64

High Clouds (% Sky Obscured)

54
67
28
13
20
15
25
27
33
30
30
18
16
2
1
1
1
0
0
1
0
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
0
0
0
0
0
0
0
2
1
1
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)

8
8
8
8
8
8
8
8
9
9
10
10
10
10
10
9
8
8
8
9
9
9
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
86
83
86
86
86
85
85
81
76
73
73
70
68
68
70
75
77
74
74
77
78
77

Pressure (mb)

1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

248
249
250
250
251
251
253
254
254
254
254
255
256
256
257
257
258
260
261
263
265
265
266
266

Thursday 23

Waxing Crescent 4%

11:22

17:18

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: 08:23, Set: 17:49, Transit: 13:06. Moon - Rise: 11:22, Set: 17:18. Civil Dark: 18:33 - 07:40. Nautical Dark: 19:21 - 06:51. Astro Dark: 20:10 - 06:03

Total Clouds (% Sky Obscured)

91
93
95
97
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

62
62
63
67
69
74
78
83
87
89
93
95
98
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

71
78
46
42
62
80
93
99
100
100
82
97
94
91
88
84
84
74
63
52
57
62
67
75

High Clouds (% Sky Obscured)

2
2
33
65
95
91
87
80
50
25
0
2
2
3
5
6
6
10
4
1
6
9
13
13

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
5
9
9
9
9
9
8
7
6
5
4
2

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

Precipitation Probability (%)

14
4
4
10
16
8
15
13
22
36
49
58
57
48
67
55
39
27
28
26
29
29
26
24

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0
0.3
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
7
7
7
7
7
7
8
8
8
8
7
7
7
7
7
7
7
7
8
8
8
8

Chance of Frost

Temperature (°C)

7
7
7
7
7
6
6
7
7
7
7
7
7
7
7
7
7
7
8
8
8
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
84
84
84
82
87
90
85
85
85
85
87
91
94
93
93
94
94
96
94
96
96
96
96

Pressure (mb)

1011
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1008
1008
1007
1007
1007
1006
1006
1005
1005
1004
1004
1004

Ozone (du)

266
267
267
267
267
266
263
262
262
262
262
262
261
264
266
268
270
272
273
273
273
275
277
278

Friday 24

Waxing Crescent 8%

12:56

17:22

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: 08:26, Set: 17:46, Transit: 13:06. Moon - Rise: 12:56, Set: 17:22. Civil Dark: 18:30 - 07:42. Nautical Dark: 19:19 - 06:53. Astro Dark: 20:07 - 06:05

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
98
96
94
93
92
92
97
99
100
99
99
98
99
100
100
98

Low Clouds (% Sky Obscured)

100
100
97
93
90
93
97
100
96
92
88
86
85
85
86
86
81
78
77
77
72
67
65
65

Medium Clouds (% Sky Obscured)

82
90
91
89
91
85
87
80
58
40
23
35
44
59
70
81
84
64
54
43
33
22
15
15

High Clouds (% Sky Obscured)

12
12
42
71
100
67
33
0
4
9
5
15
15
20
10
10
9
32
56
86
91
95
95
74

ISS Passover

Visibility (miles)

2
2
1
4
7
9
9
9
9
8
6
4
5
5
6
7
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

21
20
38
52
67
82
92
95
90
83
69
84
95
95
95
86
62
51
41
27
28
27
24
25

Precipitation Amount (mm)

0
0
0
0
0.3
0.5
0.6
0.7
0.6
0.5
0.2
0.5
0.8
1.1
0.9
0.6
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
8
8
8
8
8
8
8
8
9
9
9
9
9
9
10
10
10
10
10
9
9
9
9

Feels Like (°C)

5
5
5
6
6
6
6
6
6
6
6
6
6
6
6
6
5
5
6
6
6
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
96
95
93
95
93
93
93
93
95
95
95
95
90
85
81
80
78
78
80
80
80

Pressure (mb)

1003
1002
1001
1001
1000
999
998
997
996
996
995
994
994
993
992
992
992
992
992
993
994
994
994
994

Ozone (du)

279
281
282
282
282
282
281
281
280
280
279
279
280
281
282
280
278
276
277
278
279
279
280
280

Saturday 25

Waxing Crescent 14%

14:27

17:34

Sun - Rise: 08:28, Set: 17:43, Transit: 13:06. Moon - Rise: 14:27, Set: 17:34. Civil Dark: 18:27 - 07:45. Nautical Dark: 19:16 - 06:56. Astro Dark: 20:05 - 06:07

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: 19/10/25 01:29:23. Forecast: 19/10/25 to 26/10/25. Timezone: UTC+3.00