Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 4

Waning Gibbous 72%

22:16

13:05

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

Sun - Rise: 05:10, Set: 21:46, Transit: 13:28. Moon - Rise: 22:16, Set: 13:05. Civil Dark: 22:44 - 04:12. Nautical Dark: 00:34 - 02:22. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

6
3
4
67
100
100
100
100
100
99
94
87
92
89
85
40
59
55
60
63
100
100
53
74

Low Clouds (% Sky Obscured)

5
3
0
0
0
0
0
19
31
53
42
40
58
49
22
23
44
26
5
1
8
40
47
48

Medium Clouds (% Sky Obscured)

0
0
1
2
28
40
43
100
100
95
79
76
78
81
84
33
9
2
6
2
0
0
0
0

High Clouds (% Sky Obscured)

3
0
4
67
100
100
100
100
100
48
55
3
0
2
5
2
26
33
55
63
100
100
38
55

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
1
23
66
74
60
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
1
4
5
6
6
2
2
5
3
1
7
13
9
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
5
4
3
3
3
2
3
5
6
7
8
9
9
10
9
9
9
8
7
5
5
4
4

Chance of Frost

Temperature (°C)

12
12
11
11
11
11
13
15
16
17
19
19
20
20
20
20
20
21
20
19
17
15
14
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
95
96
95
96
93
87
78
67
57
51
48
45
42
41
40
42
46
49
58
71
79
83
89

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1018
1018

Ozone (du)

332
331
331
331
331
330
330
331
333
337
336
336
339
337
336
335
334
334
333
331
332
332
331
329

Wednesday 5

Waning Gibbous 61%

22:17

14:45

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: 05:12, 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)

59
99
97
100
90
99
100
96
99
92
93
96
99
99
100
100
99
98
97
77
68
90
84
82

Low Clouds (% Sky Obscured)

46
62
62
63
68
56
38
38
44
59
22
9
31
36
14
60
55
56
27
69
68
90
84
82

Medium Clouds (% Sky Obscured)

12
24
27
51
54
61
60
67
71
68
57
70
90
80
92
94
81
98
58
62
59
86
65
36

High Clouds (% Sky Obscured)

31
96
93
100
32
52
52
66
84
45
59
62
89
78
100
100
43
43
5
12
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 (%)

0
0
0
0
0
2
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
Light Rain
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
6
22
0
0
0
0
3
6
9
6
6
8
80
95
74
40
38
12

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.7
0.4
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
12
12
12
12
12
14
15
16
18
19
20
20
20
20
20
20
20
19
18
17
16
17
17

Feels Like (°C)

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

Dew Point (°C)

11
10
9
9
9
9
9
9
9
10
11
9
8
7
7
7
9
10
10
12
13
14
14
15

Relative Humidity (%)

90
86
83
81
80
79
72
66
63
58
59
49
43
42
42
42
49
51
55
65
78
85
85
85

Pressure (mb)

1018
1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1015
1014
1014
1013
1013
1012
1011
1011
1011
1010
1010
1009
1009

Ozone (du)

325
324
324
323
321
320
319
317
316
315
317
316
318
320
318
317
316
315
314
312
311
311
312
313

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 Bad
16 Bad
17 Bad
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)

64
78
88
76
80
86
86
81
89
87
76
72
71
43
49
71
74
70
45
43
59
75
85
71

Low Clouds (% Sky Obscured)

64
78
80
73
61
58
59
74
77
81
66
48
49
43
47
48
54
50
45
42
41
40
39
28

Medium Clouds (% Sky Obscured)

3
7
7
0
16
26
24
0
6
21
0
0
0
0
0
0
0
0
0
0
19
37
52
40

High Clouds (% Sky Obscured)

0
2
29
4
14
2
2
35
40
4
20
62
51
7
13
60
57
51
3
4
22
40
67
44

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
5
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
2
1
0
0
1
1
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 (%)

2
0
11
0
0
1
21
31
29
17
21
42
22
6
2
2
5
14
2
2
3
6
17
5

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
1
2
2
3
4
4
6
8
9
10
11
13
14
15
15
14
13
12
11
10
8
6
8

Chance of Frost

Temperature (°C)

18
18
18
18
17
17
18
19
20
20
20
21
23
23
23
22
22
20
19
18
17
16
16
15

Feels Like (°C)

19
20
19
18
18
18
19
20
21
20
20
21
23
22
21
20
19
18
18
18
17
17
16
15

Dew Point (°C)

15
15
15
16
15
15
14
15
17
17
17
16
16
13
12
13
13
13
13
12
12
12
13
13

Relative Humidity (%)

85
86
86
88
86
86
81
78
82
85
82
69
63
53
52
54
57
63
68
66
72
77
82
86

Pressure (mb)

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

Ozone (du)

312
313
313
313
312
311
311
311
310
309
309
309
310
311
311
311
312
311
312
312
314
313
316
317

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 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
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)

62
52
48
55
52
55
76
53
50
63
89
88
87
82
81
81
69
56
48
42
58
65
50
31

Low Clouds (% Sky Obscured)

16
5
15
26
34
38
40
44
46
56
69
72
75
79
75
51
66
48
35
30
38
36
4
1

Medium Clouds (% Sky Obscured)

30
21
20
19
19
25
65
32
34
38
36
24
12
2
0
0
3
2
4
2
0
0
0
1

High Clouds (% Sky Obscured)

22
1
0
0
0
0
0
0
0
0
0
0
0
2
36
39
2
0
2
2
16
28
33
20

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
7
6
5
4
3
4
8
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

19
21
12
6
4
15
29
37
37
63
68
73
69
72
67
53
53
42
41
24
7
4
1
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0.3
0.5
0.5
0.5
0.3
0
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
7
5
5
6
6
7
8
10
11
12
11
11
12
13
12
11
11
9
7
6
6
6
5

Chance of Frost

Temperature (°C)

15
15
15
15
16
16
16
17
18
18
19
19
19
19
20
19
19
19
18
17
16
14
13
12

Feels Like (°C)

15
16
17
17
16
17
17
16
17
18
17
17
17
18
18
18
18
17
18
18
17
15
14
14

Dew Point (°C)

13
14
14
15
14
14
13
12
11
10
11
13
14
14
15
15
14
14
14
14
14
13
12
12

Relative Humidity (%)

86
92
95
95
90
87
79
71
62
57
60
70
70
72
75
77
73
75
78
83
90
93
93
95

Pressure (mb)

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

Ozone (du)

315
314
318
321
323
328
336
341
341
341
342
344
345
345
344
341
338
337
336
334
334
334
336
335

Saturday 8

Waning Crescent 26%

23:10

20:01

01 OK
02 Good
03 Good
04 OK
05 OK
06 OK
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: 05:20, 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
5
7
14
17
80
83
88
91
93
95
95
60
73
85
98
94
90
86
80
75
70
67

Low Clouds (% Sky Obscured)

0
0
5
7
14
17
25
28
25
24
23
32
43
50
44
43
38
34
44
51
50
49
48
39

Medium Clouds (% Sky Obscured)

1
2
1
0
0
0
0
0
7
15
23
28
27
34
44
51
55
62
73
81
62
48
37
33

High Clouds (% Sky Obscured)

10
0
0
1
2
3
50
50
50
55
50
50
55
23
28
31
27
22
13
4
3
2
0
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
3
3
1
2
2
1
2
2
2
5
10
16
43
51
54
50
42
28
32
30
31
26

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
12
12
12
11
11
13
13
14
15
16
16
17
17
17
17
16
16
16
16
16
12
13
14

Dew Point (°C)

11
10
9
9
9
9
10
10
9
8
7
7
7
7
7
7
7
7
8
9
10
10
11
11

Relative Humidity (%)

93
88
87
88
88
88
84
76
67
58
50
49
47
47
46
48
49
50
59
68
78
83
87
93

Pressure (mb)

1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013

Ozone (du)

331
327
324
324
325
326
327
327
328
328
327
329
330
332
330
332
334
336
337
338
338
339
340
341

Sunday 9

Waning Crescent 16%

00:33

20:55

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: 05:22, 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)

61
49
44
44
48
61
74
85
80
79
83
84
87
88
91
92
93
74
58
41
40
40
39
58

Low Clouds (% Sky Obscured)

25
14
15
16
17
15
12
13
30
45
59
65
69
72
63
62
48
38
31
25
16
8
1
10

Medium Clouds (% Sky Obscured)

30
26
18
10
4
21
29
42
54
63
75
71
69
67
73
77
82
63
45
28
30
33
37
55

High Clouds (% Sky Obscured)

2
2
2
5
6
11
24
41
37
34
30
25
20
18
26
39
50
30
12
0
1
2
3
9

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

12
6
21
18
10
20
17
17
29
36
43
44
45
48
80
95
95
95
74
50
45
37
22
29

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.8
1
0.6
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
12
11
11
11
11
12
14
15
15
16
16
17
17
17
17
17
17
16
15
14
13
12
11

Feels Like (°C)

13
12
12
12
11
11
11
10
10
15
16
16
16
16
16
15
15
15
15
14
13
12
11
11

Dew Point (°C)

11
11
10
10
9
9
9
9
9
11
13
14
15
16
16
16
16
16
15
14
13
12
11
10

Relative Humidity (%)

95
93
93
92
88
87
79
72
66
73
81
89
89
90
90
92
92
93
93
92
90
92
92
91

Pressure (mb)

1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1010
1010
1009
1009
1008
1008
1008
1008
1008
1008

Ozone (du)

342
343
344
344
344
345
345
344
344
345
346
347
347
346
346
349
351
353
356
360
363
363
362
362

Monday 10

Waning Crescent 8%

No Rise

21:14

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)

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: 04/08/26 00:56:01. Forecast: 04/08/26 to 10/08/26. Timezone: UTC+3.00