Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 3

Waning Gibbous 81%

22:15

11:30

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

Sun - Rise: 05:08, Set: 21:49, Transit: 13:28. Moon - Rise: 22:15, Set: 11:30. Civil Dark: 22:48 - 04:09. Nautical Dark: 00:45 - 02:11. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

3
6
5
30
2
3
5
30
40
67
97
98
98
100
100
98
44
18
22
72
51
32
63
65

Low Clouds (% Sky Obscured)

3
4
5
23
1
1
1
30
40
35
40
32
28
25
34
29
33
18
22
31
24
0
25
29

Medium Clouds (% Sky Obscured)

0
2
5
17
0
0
0
0
0
3
45
91
91
97
83
49
42
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
3
2
2
44
87
85
94
100
100
98
5
2
8
55
36
26
55
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
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
3
1
5
5
4
5
4
3
6
4
3
2
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
83
84
84
86
84
75
65
52
46
44
42
42
41
42
45
46
46
51
60
69
83
92
92

Pressure (mb)

1015
1015
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1017
1017
1017
1017

Ozone (du)

352
353
353
352
352
348
344
340
339
338
337
337
335
335
335
334
335
337
337
336
334
333
332
332

Tuesday 4

Waning Gibbous 72%

22:16

13:05

01 Bad
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 OK
16 Bad
17 OK
18 Bad
19 OK
20 OK
21 Bad
22 OK
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)

61
35
35
89
100
100
98
97
96
97
95
90
82
70
36
41
28
51
23
35
59
45
74
82

Low Clouds (% Sky Obscured)

27
0
0
0
6
6
10
26
41
51
29
45
40
43
35
41
28
30
4
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
2
50
68
90
95
92
87
90
72
71
63
63
36
40
2
8
16
0
22
21
46
22

High Clouds (% Sky Obscured)

55
35
35
79
98
100
86
62
35
40
50
14
0
0
0
0
3
26
6
26
50
36
41
60

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
1
3
1
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
2
4
3
7
16
10
16
19
15
17
7
5
13
17
3
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)

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

Chance of Frost

Temperature (°C)

12
11
11
11
11
11
13
15
17
18
19
19
19
20
20
20
21
21
20
19
17
15
14
13

Feels Like (°C)

11
10
10
10
11
11
13
14
16
17
17
17
16
18
18
18
20
20
19
19
18
14
13
13

Dew Point (°C)

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

Relative Humidity (%)

95
95
95
96
95
90
83
74
65
57
51
44
41
39
39
40
43
45
50
58
71
79
82
81

Pressure (mb)

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

Ozone (du)

332
332
331
331
331
330
331
332
334
337
340
340
337
336
333
333
333
333
333
333
333
333
332
331

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)

73
92
89
92
97
98
100
100
100
100
100
100
100
100
100
100
95
95
100
94
97
91
95
85

Low Clouds (% Sky Obscured)

4
3
24
35
43
32
23
23
40
54
84
76
83
90
91
93
85
80
100
88
94
87
89
82

Medium Clouds (% Sky Obscured)

29
21
36
38
51
52
74
66
100
97
97
88
100
81
99
87
77
46
31
33
31
28
31
22

High Clouds (% Sky Obscured)

45
83
42
39
65
87
100
100
84
90
83
76
55
49
50
59
40
12
5
0
0
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
8
9
9
9

Fog (%)

0
0
0
1
3
1
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
Very Light Rain
Very Light Rain
None
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
1
0
0
0
21
62
68
60
72
55
32
34
30
22
12
20
21
33
9
8
12

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
13
12
13
13
14
16
16
17
17
17
17
17
17
17
17
17
18
17
17
17
16
16

Feels Like (°C)

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

Dew Point (°C)

10
10
9
9
9
9
9
8
7
9
11
8
4
4
4
5
6
7
9
12
13
14
15
14

Relative Humidity (%)

83
81
80
80
80
76
69
61
54
61
71
57
42
41
42
44
46
50
56
72
78
83
90
87

Pressure (mb)

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

Ozone (du)

328
327
326
324
323
322
321
320
318
315
314
315
314
314
314
314
312
309
310
311
312
312
313
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 OK
14 OK
15 OK
16 OK
17 OK
18 Bad
19 Bad
20 Bad
21 Bad
22 OK
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)

78
85
88
82
90
86
94
96
88
43
86
85
35
37
38
38
40
64
74
79
73
33
63
66

Low Clouds (% Sky Obscured)

75
72
77
79
85
82
87
86
78
43
66
70
35
37
38
35
34
27
23
18
13
15
56
59

Medium Clouds (% Sky Obscured)

21
52
14
8
59
13
27
43
38
31
22
44
7
0
0
0
0
10
18
27
25
18
14
9

High Clouds (% Sky Obscured)

0
0
0
0
2
0
0
2
2
2
9
5
2
2
2
2
2
24
36
45
50
6
0
0

ISS Passover

Visibility (miles)

8
9
1
0
0
0
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

38
6
7
12
11
9
4
3
5
22
40
14
9
3
3
3
2
2
3
2
2
0
0
5

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
4
4
4
4
4
5
6
7
7
9
11
11
14
15
15
14
13
12
10
8
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
98
100
100
100
98
95
92
89
77
58
76
84
54
50
46
49
52
57
65
72
82
89
79

Pressure (mb)

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

Ozone (du)

312
312
312
312
311
311
311
311
310
310
309
308
307
306
305
305
306
306
306
306
307
307
308
310

Friday 7

Waning Crescent 38%

22:34

18:24

01 Bad
02 OK
03 OK
04 OK
05 Good
06 OK
07 OK
08 OK
09 OK
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: 05:17, 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)

70
24
22
16
16
18
18
21
33
86
61
74
89
74
81
88
96
87
81
73
70
62
54
50

Low Clouds (% Sky Obscured)

61
24
22
16
16
18
18
21
33
69
53
66
78
74
70
64
59
62
52
43
38
33
28
20

Medium Clouds (% Sky Obscured)

4
0
0
0
0
0
0
0
7
16
24
23
17
17
17
16
12
7
4
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
2
5
7
5
2
0
1
1
2
16
34
70
60
60
65
47
24
1
7

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
7
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
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

27
16
14
9
2
7
11
4
12
30
40
41
43
38
74
67
49
38
22
5
2
1
0
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
77
89
93
84
75
74
68
63
60
67
64
63
58
55
55
54
53
57
61
65
71
79
87

Pressure (mb)

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

Ozone (du)

315
327
330
332
334
334
339
340
340
341
343
343
343
344
339
336
333
330
329
328
327
326
325
324

Saturday 8

Waning Crescent 26%

23:10

20:01

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 OK
21 OK
22 OK
23 OK
00 OK

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)

49
55
66
78
88
78
69
59
55
57
57
66
73
83
83
83
82
67
55
46
34
24
19
30

Low Clouds (% Sky Obscured)

10
9
10
11
12
11
11
16
21
28
31
25
20
14
23
29
40
39
37
35
23
12
0
8

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
16
34
51
54
52
50
45
44
39
29
16
2
6
11
15
17

High Clouds (% Sky Obscured)

12
14
15
25
30
24
25
24
17
10
3
12
21
38
38
46
50
45
35
30
29
24
19
30

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 (%)

2
0
0
0
0
2
2
0
2
2
1
7
4
3
8
2
1
3
5
2
3
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
5
5
6
7
9
9
9
10
10
10
10
10
10
10
9
8
6
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
12
12
10
9
9
9
8
8
15
14
13
14
15
15
17
16
17
16
17
17
11
11
12

Dew Point (°C)

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

Relative Humidity (%)

90
92
95
93
95
93
77
65
55
48
44
38
37
35
33
34
35
36
42
50
58
64
71
79

Pressure (mb)

1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1011
1011
1011
1011
1012
1012
1012
1013
1013

Ozone (du)

325
327
328
329
330
331
331
332
332
333
333
334
335
336
337
337
338
338
339
339
340
340
340
340

Sunday 9

Waning Crescent 16%

00:33

20:55

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)

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: 03/08/26 01:06:06. Forecast: 03/08/26 to 09/08/26. Timezone: UTC+3.00