Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 5

Waning Gibbous 61%

22:17

14:45

01 Good
02 OK
03 OK
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: 05:12, Set: 21:43, Transit: 13:28. Moon - Rise: 22:17, Set: 14:45. Civil Dark: 22:41 - 04:15. Nautical Dark: 00:25 - 02:30. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

3
10
21
53
100
99
99
92
98
100
96
100
97
98
100
100
88
93
100
100
100
95
98
77

Low Clouds (% Sky Obscured)

3
10
21
53
85
76
55
37
50
49
57
49
22
8
0
0
0
0
0
1
42
12
37
52

Medium Clouds (% Sky Obscured)

0
3
3
5
11
27
34
33
67
72
88
85
58
49
59
96
86
77
90
100
100
92
95
69

High Clouds (% Sky Obscured)

3
6
21
53
93
96
90
52
51
86
64
98
79
91
99
100
28
56
100
85
10
21
0
2

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 (%)

5
13
58
56
71
90
94
93
36
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
1
1
0
0
0
0
0
0
1

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

Chance of Frost

Temperature (°C)

13
13
12
11
11
11
12
14
16
17
18
19
19
20
20
20
19
19
18
18
17
16
16
16

Feels Like (°C)

15
14
13
11
11
10
12
13
15
16
16
18
19
18
18
18
17
18
17
17
16
16
16
16

Dew Point (°C)

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

Relative Humidity (%)

90
89
87
86
87
81
75
65
58
52
48
61
55
45
42
42
44
47
55
67
77
82
85
82

Pressure (mb)

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

Ozone (du)

329
327
325
323
322
321
319
318
318
317
317
316
317
317
316
316
313
309
309
310
310
310
310
309

Thursday 6

Third Quarter 49%

22:22

16:33

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

Sun - Rise: 05:15, Set: 21:41, Transit: 13:28. Moon - Rise: 22:22, Set: 16:33. Civil Dark: 22:38 - 04:18. Nautical Dark: 00:18 - 02:38. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

97
81
72
82
76
91
96
88
49
56
35
31
47
81
27
43
43
55
50
54
85
71
62
79

Low Clouds (% Sky Obscured)

59
41
48
49
62
65
85
86
49
56
35
31
47
70
27
43
43
55
50
51
55
63
62
60

Medium Clouds (% Sky Obscured)

89
67
59
63
51
80
37
29
23
24
0
11
20
0
0
0
19
2
31
35
81
51
21
44

High Clouds (% Sky Obscured)

3
2
4
17
12
10
3
1
0
0
3
3
6
7
5
30
11
32
15
8
53
9
6
44

ISS Passover

Visibility (miles)

9
9
9
9
9
7
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
3
0
0
14
3
4
4
5
20
39
31
16
1
0
0
0
0
3
5
2
0
1
6

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
2
2
3
3
3
5
7
9
11
12
13
14
13
14
14
13
12
10
8
6
5
5

Chance of Frost

Temperature (°C)

16
16
16
16
16
16
17
18
20
21
21
22
22
23
23
23
22
20
19
18
17
16
16
16

Feels Like (°C)

17
16
17
17
16
16
17
19
20
23
21
22
22
21
20
21
20
19
18
18
18
16
18
18

Dew Point (°C)

15
14
14
14
12
13
15
16
16
16
16
15
13
13
13
13
13
12
12
13
13
14
15
15

Relative Humidity (%)

89
83
87
86
80
86
85
83
78
73
70
65
55
54
55
54
57
58
62
70
77
89
93
92

Pressure (mb)

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

Ozone (du)

308
308
307
307
307
306
307
308
307
306
306
304
303
304
304
305
306
305
304
305
305
306
306
306

Friday 7

Waning Crescent 38%

22:34

18:24

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 OK
19 OK
20 OK
21 OK
22 OK
23 OK
00 OK

Sun - Rise: 05:17, Set: 21:38, Transit: 13:28. Moon - Rise: 22:34, Set: 18:24. Civil Dark: 22:34 - 04:21. Nautical Dark: 00:10 - 02:45. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

68
73
58
53
70
51
58
69
58
82
82
83
86
59
77
70
50
42
30
30
25
20
15
20

Low Clouds (% Sky Obscured)

47
47
46
46
58
29
34
45
55
72
68
65
71
52
66
65
50
42
30
28
23
18
5
5

Medium Clouds (% Sky Obscured)

22
28
13
8
20
13
24
25
0
24
34
34
39
21
15
15
16
0
0
4
3
1
0
0

High Clouds (% Sky Obscured)

56
36
0
0
0
0
0
0
0
0
0
0
0
0
0
3
0
0
0
0
0
2
0
0

ISS Passover

Visibility (miles)

9
7
9
9
9
9
9
9
9
9
9
9
8
5
7
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
Very Light Rain
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

14
17
17
19
10
11
48
50
33
44
39
45
58
43
34
14
0
0
0
0
1
5
1
12

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
6
9
9
7
6
6
9
11
12
13
13
13
12
12
13
14
13
13
12
11
12
12
11

Chance of Frost

Temperature (°C)

16
16
16
16
15
15
16
17
17
18
18
19
19
19
20
20
19
19
18
17
16
14
14
13

Feels Like (°C)

16
16
15
16
15
15
17
17
16
17
16
16
16
16
17
17
16
16
16
14
14
12
11
10

Dew Point (°C)

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

Relative Humidity (%)

92
93
92
92
89
86
86
76
63
58
56
53
55
65
61
59
48
47
52
60
66
75
80
76

Pressure (mb)

1006
1005
1005
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1005
1005
1005
1006
1006
1007
1007
1007
1007
1008
1008

Ozone (du)

306
309
315
323
329
336
337
338
340
345
347
340
337
337
337
338
339
339
343
347
346
343
343
344

Saturday 8

Waning Crescent 26%

23:10

20:01

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

Sun - Rise: 05:20, Set: 21:35, Transit: 13:28. Moon - Rise: 23:10, Set: 20:01. Civil Dark: 22:31 - 04:24. Nautical Dark: 00:03 - 02:52. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

15
2
12
26
35
45
42
42
34
26
49
71
73
72
56
28
31
19
12
5
7
5
1
6

Low Clouds (% Sky Obscured)

4
0
0
0
1
5
2
1
8
15
32
38
38
42
30
4
4
0
0
0
0
0
0
2

Medium Clouds (% Sky Obscured)

0
2
5
14
21
25
32
35
29
21
11
16
20
26
27
28
28
19
9
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
5
9
14
9
5
0
0
0
0
0
0
0
0
0
0
0
2
4
6
3
1
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
0
0
1
3
6
3
1
3
4
10
11
5
2
1
0
0
1
1
0
0
1
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)

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

Chance of Frost

Temperature (°C)

12
11
11
11
11
11
12
14
16
17
18
19
19
20
20
21
20
20
19
17
16
14
12
11

Feels Like (°C)

9
9
10
11
10
10
11
13
15
16
17
17
16
17
18
18
18
18
17
15
14
13
11
11

Dew Point (°C)

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

Relative Humidity (%)

77
79
83
88
90
87
83
73
65
58
52
49
48
50
43
37
38
42
47
53
60
68
76
83

Pressure (mb)

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

Ozone (du)

346
345
344
342
341
340
340
341
341
342
342
343
343
343
343
343
343
342
342
342
343
346
347
344

Sunday 9

Waning Crescent 16%

00:33

20:55

01 Good
02 Good
03 OK
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: 05:22, Set: 21:33, Transit: 13:27. Moon - Rise: 00:33, Set: 20:55. Civil Dark: 22:28 - 04:27. Nautical Dark: 23:57 - 02:58. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

7
9
35
65
77
86
84
82
87
91
93
91
88
84
82
80
70
64
63
69
76
87
100
92

Low Clouds (% Sky Obscured)

5
8
22
35
46
50
69
26
25
26
28
28
28
38
34
30
26
26
22
20
34
48
62
57

Medium Clouds (% Sky Obscured)

0
0
0
0
0
4
34
71
70
69
60
59
19
19
19
20
24
41
53
68
52
31
20
33

High Clouds (% Sky Obscured)

3
3
19
37
39
50
51
48
57
66
67
60
61
51
53
50
32
50
59
65
76
87
100
77

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
1
1
1
2
0
0
2
4
1
0
0
0
0
0
0
1
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)

4
4
4
3
2
2
3
5
9
10
11
12
13
13
13
13
13
12
11
10
9
9
9
9

Chance of Frost

Temperature (°C)

11
10
10
10
10
10
13
15
17
18
19
20
21
21
21
21
20
19
18
17
16
16
16
16

Feels Like (°C)

11
10
10
10
9
9
11
14
15
16
17
17
17
17
17
17
17
17
16
16
15
13
13
13

Dew Point (°C)

8
8
8
8
8
9
10
11
11
11
12
11
10
10
10
11
12
14
13
13
12
12
12
12

Relative Humidity (%)

85
87
88
88
90
90
84
76
64
64
60
55
49
50
47
54
61
70
72
74
77
77
77
77

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013

Ozone (du)

342
341
337
336
333
330
328
327
329
331
330
329
327
326
325
325
324
323
322
322
321
321
321
320

Monday 10

Waning Crescent 8%

No Rise

21:14

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: 05:25, Set: 21:30, Transit: 13:27. Moon - Rise: No Rise, Set: 21:14. Civil Dark: 22:24 - 04:30. Nautical Dark: 23:51 - 03:04. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

85
83
88
91
93
92
90
90
85
75
66
75
86
94
96
97
99
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

56
50
35
19
4
13
22
27
25
24
25
28
30
32
48
65
79
82
86
91
89
88
86
87

Medium Clouds (% Sky Obscured)

46
59
61
61
63
57
58
55
50
45
39
51
64
77
81
86
89
93
97
100
100
100
100
100

High Clouds (% Sky Obscured)

50
20
18
26
28
49
71
87
68
49
30
34
38
48
53
61
68
74
83
91
88
83
80
75

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
7
7
8
8

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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
1
1
0
0
0
0
0
0
0
1
5
12
23
33
47
53
57
82
86
90
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.6
0.6
0.6
1
1

Wind Speed/Direction (mph)

10
12
12
13
13
12
12
12
12
13
13
13
13
14
14
12
10
8
8
7
8
8
8
8

Chance of Frost

Temperature (°C)

16
16
16
16
16
16
17
18
19
19
20
21
21
21
21
20
20
19
18
18
17
17
17
17

Feels Like (°C)

14
14
14
13
13
13
13
13
13
17
17
18
17
16
16
19
19
18
18
18
18
15
16
17

Dew Point (°C)

12
12
12
11
11
11
12
12
13
14
15
16
14
12
11
11
12
13
13
14
14
15
15
16

Relative Humidity (%)

77
77
77
75
75
74
73
70
68
69
70
71
63
57
51
56
61
68
72
77
82
86
90
96

Pressure (mb)

1012
1012
1011
1011
1010
1010
1009
1009
1009
1008
1008
1008
1008
1007
1007
1007
1007
1006
1006
1006
1006
1005
1005
1005

Ozone (du)

319
319
318
318
317
317
317
317
316
317
317
318
318
317
317
317
318
319
320
321
322
326
329
333

Tuesday 11

Waning Crescent 3%

02:27

21:21

Sun - Rise: 05:27, Set: 21:27, Transit: 13:27. Moon - Rise: 02:27, Set: 21:21. Civil Dark: 22:21 - 04:33. Nautical Dark: 23:45 - 03:09. Astro Dark: N/A - N/A

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: 05/08/26 01:42:51. Forecast: 05/08/26 to 11/08/26. Timezone: UTC+3.00