Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 16

Waning Gibbous 71%

23:38

12:05

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

Sun - Rise: 04:28, Set: 22:29, Transit: 13:28. Moon - Rise: 23:38, Set: 12:05. Civil Dark: 23:46 - 03:10. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

31
21
8
0
0
0
0
0
0
0
0
0
7
0
11
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

20
21
8
0
0
0
0
0
0
0
0
0
7
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

23
13
0
0
0
0
0
0
0
0
0
0
0
0
11
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
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 (%)

9
0
3
0
0
0
0
0
0
0
3
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)

3
4
4
4
4
5
5
5
6
7
8
8
8
8
8
8
8
8
7
5
3
3
3
3

Chance of Frost

Temperature (°C)

16
17
18
17
17
17
17
19
21
23
24
25
26
27
27
28
27
27
26
25
23
21
19
18

Feels Like (°C)

17
18
21
20
20
20
20
22
23
24
25
26
26
27
27
27
27
27
26
26
26
23
20
19

Dew Point (°C)

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

Relative Humidity (%)

85
88
89
95
95
93
89
85
71
58
48
45
40
35
32
31
31
32
34
39
50
57
59
58

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1009

Ozone (du)

295
297
297
296
294
293
294
296
297
298
300
301
301
300
299
298
298
298
301
304
305
306
306
305

Thursday 17

Waning Gibbous 60%

23:37

13:44

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

Sun - Rise: 04:30, Set: 22:27, Transit: 13:28. Moon - Rise: 23:37, Set: 13:44. Civil Dark: 23:43 - 03:14. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
4
4
5
3
3
29
33
38
50
52
43
56
48
66
64
60
33
35
56
66
63
81
83

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
4
5
0
0
0
0
0
0
30
0
0
0
2
23
19
9
24
49

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
12
19
34
44
46
42
52
44
49
64
60
33
25
28
31
29
34
34

High Clouds (% Sky Obscured)

0
1
1
1
1
0
0
1
0
1
1
2
2
2
2
2
2
2
2
1
1
10
25
11

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)

4
4
4
4
4
4
4
3
4
6
6
6
8
8
8
8
7
7
6
5
4
3
4
4

Chance of Frost

Temperature (°C)

17
17
16
16
16
16
17
19
21
24
25
26
27
28
29
29
29
28
28
27
26
24
22
20

Feels Like (°C)

18
18
17
17
17
17
17
18
20
24
26
27
27
28
29
29
29
29
29
29
27
23
21
19

Dew Point (°C)

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

Relative Humidity (%)

61
63
62
62
63
64
67
64
66
50
45
42
38
36
35
35
36
39
42
47
55
56
57
59

Pressure (mb)

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

Ozone (du)

303
301
300
299
299
300
300
299
298
298
298
299
302
306
309
310
312
312
313
313
312
312
313
314

Friday 18

Third Quarter 48%

23:37

15:28

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

Sun - Rise: 04:32, Set: 22:25, Transit: 13:28. Moon - Rise: 23:37, Set: 15:28. Civil Dark: 23:40 - 03:17. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

77
69
67
44
26
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

51
25
28
24
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

38
38
38
21
17
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
2
0
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
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)

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

Chance of Frost

Temperature (°C)

19
18
17
16
16
15
16
17
18
19
21
22
23
24
24
24
24
23
23
22
20
19
17
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
73
72
74
78
82
83
77
66
58
53
48
45
43
41
41
41
41
41
41
46
55
64
65

Pressure (mb)

1014
1014
1014
1015
1015
1015
1016
1016
1016
1016
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015

Ozone (du)

315
315
316
315
314
314
314
315
316
315
313
311
310
310
311
311
312
313
312
312
313
314
315
315

Saturday 19

Waning Crescent 37%

23:39

17:19

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

Sun - Rise: 04:34, Set: 22:23, Transit: 13:28. Moon - Rise: 23:39, Set: 17:19. Civil Dark: 23:36 - 03:20. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
10
8
40
70
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
19
28

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
40

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
5
8
40
70
100
100
100
100
100
99
99

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)

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

Chance of Frost

Temperature (°C)

15
14
13
12
12
12
12
15
17
19
21
22
23
24
24
24
24
23
23
22
21
19
18
17

Feels Like (°C)

15
14
13
12
12
11
12
14
17
19
21
22
23
22
21
21
21
21
20
20
20
18
17
16

Dew Point (°C)

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

Relative Humidity (%)

63
63
66
69
72
73
72
62
57
54
51
48
45
40
36
34
34
35
37
44
53
63
68
74

Pressure (mb)

1016
1016
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

315
315
315
316
317
318
317
317
317
317
317
317
315
313
312
312
311
311
310
310
309
309
308
307

Sunday 20

Waning Crescent 25%

23:46

19:14

00 Bad
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

Sun - Rise: 04:36, Set: 22:21, Transit: 13:28. Moon - Rise: 23:46, Set: 19:14. Civil Dark: 23:33 - 03:24. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
100
100
100
97
95
93
96
99
100
100
99
99
97
96
98
96
96
95

Low Clouds (% Sky Obscured)

21
12
5
4
0
0
0
0
0
41
33
27
39
53
71
60
47
39
30
21
11
6
2
1

Medium Clouds (% Sky Obscured)

60
80
95
87
90
81
83
77
80
97
95
93
95
93
90
91
92
92
79
75
72
74
79
80

High Clouds (% Sky Obscured)

99
100
100
99
97
95
94
98
100
68
37
5
32
58
86
66
45
25
53
74
98
96
96
95

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
1
1
0
2
1
21
22
15
14
10
2
7
8
4
10
10
4
5
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

16
16
16
15
14
14
14
15
16
17
18
18
19
19
20
21
22
22
22
23
21
22
20
20

Dew Point (°C)

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

Relative Humidity (%)

87
92
90
83
82
73
72
69
62
59
61
65
68
69
69
71
71
72
71
75
80
84
88
90

Pressure (mb)

1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1009

Ozone (du)

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

Monday 21

Waning Crescent 16%

00:07

21:03

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 OK
07 OK
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

Sun - Rise: 04:38, Set: 22:19, Transit: 13:28. Moon - Rise: 00:07, Set: 21:03. Civil Dark: 23:30 - 03:27. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

95
89
81
68
55
46
34
26
23
13
5
1
14
26
39
58
77
97
91
88
85
76
67
65

Low Clouds (% Sky Obscured)

1
0
0
1
1
2
4
8
12
10
5
0
14
26
32
51
70
90
83
72
61
38
14
0

Medium Clouds (% Sky Obscured)

83
87
81
68
55
46
29
16
6
2
1
0
0
0
0
1
1
2
1
1
0
0
0
0

High Clouds (% Sky Obscured)

92
87
79
68
55
46
34
26
23
13
5
1
14
26
39
58
73
75
78
81
81
76
67
65

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)

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

Chance of Frost

Temperature (°C)

16
16
16
15
15
15
15
17
19
21
22
23
25
26
26
27
26
24
23
22
21
20
19
17

Feels Like (°C)

20
19
19
19
17
17
17
16
16
16
26
25
25
26
27
28
29
28
26
26
25
24
19
19

Dew Point (°C)

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

Relative Humidity (%)

95
95
93
95
93
90
90
81
72
64
57
50
45
43
41
39
43
47
51
55
60
65
68
71

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011

Ozone (du)

304
305
306
308
309
310
311
314
317
321
322
322
323
322
321
321
319
317
315
316
317
318
317
315

Tuesday 22

Waning Crescent 8%

00:07

22:13

Sun - Rise: 04:40, Set: 22:17, Transit: 13:28. Moon - Rise: 00:07, Set: 22:13. Civil Dark: 23:27 - 03:30. Nautical Dark: N/A - N/A. 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: 15/07/25 23:15:53. Forecast: 16/07/25 to 22/07/25. Timezone: UTC+3.00