Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 9

Waning Crescent 35%

00:07

17:08

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 OK
20 OK
21 Good
22 Good
23 Good
00 Good
01 Good

Sun - Rise: 04:14, Set: 22:40, Transit: 13:27. Moon - Rise: 00:07, Set: 17:08. Civil Dark: 00:09 - 02:46. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

82
86
89
92
100
100
100
100
100
100
100
100
100
84
100
100
60
23
22
3
3
3
0
0

Low Clouds (% Sky Obscured)

1
5
22
32
35
49
63
85
95
98
88
84
81
59
47
45
50
23
22
1
0
0
0
0

Medium Clouds (% Sky Obscured)

82
86
89
92
100
93
100
97
69
66
100
100
100
57
57
42
2
2
0
0
0
0
0
0

High Clouds (% Sky Obscured)

82
86
89
92
100
100
100
62
42
5
100
100
100
72
100
100
60
11
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
2
9
9
7
9
9
9
8
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
1
2

Precipitation Type

None
None
Light Rain
Light Rain
Light Rain
Light Rain
None
None
Light Rain
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

17
49
95
95
95
91
74
70
86
40
93
95
95
95
95
59
36
23
19
10
2
1
0
1

Precipitation Amount (mm)

0
0
0.7
1
0.7
0.4
0
0
0.7
0
0.5
1.5
0.7
1.1
1
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
12
12
12
12
12
12
12
11
10
9
7
7
7
5
5
4
4
3
3
3
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
79
82
89
95
93
95
96
95
95
96
96
95
85
69
67
62
60
65
78
87
93
95
95

Pressure (mb)

1001
1001
1001
1002
1002
1002
1002
1003
1003
1004
1004
1005
1006
1006
1006
1007
1007
1008
1008
1009
1010
1010
1011
1011

Ozone (du)

359
356
355
353
363
365
364
367
372
372
371
371
375
378
376
375
379
376
377
377
381
388
378
378

Friday 10

Waning Crescent 24%

00:14

19:01

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

Sun - Rise: 04:16, Set: 22:39, Transit: 13:27. Moon - Rise: 00:14, Set: 19:01. Civil Dark: 00:05 - 02:49. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

0
0
12
18
72
68
95
68
100
100
78
77
19
3
4
30
39
96
41
96
99
99
63
100

Low Clouds (% Sky Obscured)

0
0
12
18
18
0
9
10
19
37
23
36
19
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
31
71
33
3
0
0
0
0
0
0
0
2
25
70
63
46

High Clouds (% Sky Obscured)

0
0
0
3
50
57
87
47
100
100
37
30
0
1
4
25
35
95
40
96
98
98
30
100

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 (%)

3
52
98
100
100
95
2
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
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)

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

Chance of Frost

Temperature (°C)

12
12
11
11
12
15
16
17
19
19
20
21
21
22
22
22
21
21
20
19
17
16
15
15

Feels Like (°C)

13
12
12
12
14
14
15
16
17
17
18
19
19
21
21
21
20
19
19
20
17
15
14
14

Dew Point (°C)

11
11
11
11
11
13
12
11
11
10
10
10
10
10
10
10
11
11
11
13
13
12
12
12

Relative Humidity (%)

95
96
96
96
93
87
75
67
59
55
52
50
47
47
47
47
50
51
57
70
76
78
82
80

Pressure (mb)

1012
1013
1013
1014
1014
1014
1015
1015
1016
1016
1016
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

380
374
372
368
366
366
365
365
369
369
372
372
374
371
372
369
364
363
361
358
355
352
349
346

Saturday 11

Waning Crescent 14%

00:35

20:54

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
01 Bad

Sun - Rise: 04:18, Set: 22:38, Transit: 13:28. Moon - Rise: 00:35, Set: 20:54. Civil Dark: 00:02 - 02:53. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
98
100
100
99
99
97
90
86
81
71
89
96
88
53
41
30
59
60
69
68
62
58

Low Clouds (% Sky Obscured)

3
5
1
5
5
60
59
58
49
73
38
39
87
65
40
46
38
26
23
27
33
38
41
46

Medium Clouds (% Sky Obscured)

85
87
94
84
62
99
91
87
71
58
30
38
16
13
5
0
3
1
1
2
35
2
2
0

High Clouds (% Sky Obscured)

100
100
94
100
81
39
89
79
25
4
36
27
20
89
73
23
14
11
37
37
46
38
30
19

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

Precipitation Probability (%)

1
0
1
1
0
3
30
34
14
1
0
0
37
38
33
20
21
47
55
58
49
20
5
7

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
15
15
16
16
17
17
18
20
22
23
25
25
25
26
26
26
25
23
21
20
19
19

Feels Like (°C)

14
13
14
14
14
15
15
16
17
19
21
23
24
26
25
27
27
28
28
25
23
22
20
19

Dew Point (°C)

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

Relative Humidity (%)

82
78
75
80
75
71
68
74
73
65
58
56
53
67
61
49
48
53
65
88
96
95
95
95

Pressure (mb)

1018
1018
1018
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1016
1016
1016
1016
1016

Ozone (du)

343
341
339
339
337
334
332
332
332
334
335
335
336
337
336
335
335
335
335
335
333
337
337
338

Sunday 12

Waning Crescent 7%

01:31

22:17

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
01 Bad

Sun - Rise: 04:19, Set: 22:36, Transit: 13:28. Moon - Rise: 01:31, Set: 22:17. Civil Dark: 23:59 - 02:56. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

54
62
53
49
46
43
100
100
100
100
72
48
69
73
73
96
99
99
100
96
100
100
100
100

Low Clouds (% Sky Obscured)

48
55
53
49
46
43
70
71
73
74
71
48
69
65
52
44
46
46
53
50
52
52
60
67

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
3
5
13
23
25
34
37
45
86
84
92
62
42
79
76
44

High Clouds (% Sky Obscured)

17
22
13
14
22
25
100
100
100
100
60
37
63
34
34
34
38
47
43
86
100
100
100
100

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
3
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
Very Light Rain
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
Very Light Rain
Light Rain
Very Light Rain
None
Very Light Rain

Precipitation Probability (%)

5
48
44
21
64
66
24
18
18
2
52
77
95
88
80
77
71
70
54
81
95
74
30
65

Precipitation Amount (mm)

0
0
0
0
0.3
0.3
0
0
0
0
0.2
0.5
0.9
0.6
0.3
0.4
0.3
0.2
0
0.2
0.5
0.3
0
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
18
18
18
18
19
20
21
22
23
24
24
24
24
25
24
23
24
23
22
20
19
18
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
96
96
95
92
86
76
64
55
49
43
39
37
39
41
59
55
61
67
77
95
93
96

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017

Ozone (du)

339
341
343
344
345
347
346
345
345
343
339
336
333
330
329
329
328
329
330
329
328
327
326
326

Monday 13

Waning Crescent 2%

No Rise

22:54

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
01 Bad

Sun - Rise: 04:21, Set: 22:34, Transit: 13:28. Moon - Rise: No Rise, Set: 22:54. Civil Dark: 23:56 - 02:59. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
89
79
76
80
89
99
100
98
89
82
80
78
72
72
70
72
76
80
84
79
78

Low Clouds (% Sky Obscured)

76
75
74
73
79
76
80
89
94
90
90
89
82
80
78
72
72
66
56
55
54
53
45
41

Medium Clouds (% Sky Obscured)

63
80
66
73
58
41
26
22
18
15
9
5
0
12
24
39
34
32
26
33
43
50
41
36

High Clouds (% Sky Obscured)

100
100
99
85
76
76
80
89
98
100
69
32
1
1
1
1
0
0
0
0
0
1
1
1

ISS Passover

Visibility (miles)

3
3
3
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

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

Precipitation Probability (%)

95
89
82
84
70
65
49
40
24
8
11
16
4
14
10
5
8
8
2
13
16
13
13
18

Precipitation Amount (mm)

1.6
0.6
0.5
0.6
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
8
7
8
8
9
10
10
10
10
10
10
9
9
8
8
7
6
5
5
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
95
92
85
69
53
47
42
41
40
39
39
39
39
46
54
66
70
75
81
81

Pressure (mb)

1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1018
1018
1018
1018
1019
1019
1019

Ozone (du)

325
323
324
323
323
323
323
322
321
320
319
318
318
319
319
319
319
317
316
314
316
319
321
324

Tuesday 14

New Moon 0%

03:15

23:06

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
01 Bad

Sun - Rise: 04:23, Set: 22:33, Transit: 13:28. Moon - Rise: 03:15, Set: 23:06. Civil Dark: 23:53 - 03:03. Nautical Dark: N/A - N/A. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

73
76
75
82
81
78
83
83
84
84
75
64
53
62
71
75
75
76
76
63
52
50
69
79

Low Clouds (% Sky Obscured)

37
41
47
51
49
46
46
53
65
74
64
54
43
52
48
42
44
47
49
35
17
0
0
0

Medium Clouds (% Sky Obscured)

35
37
40
50
49
43
42
28
19
14
19
24
32
30
31
31
30
25
19
15
13
12
9
6

High Clouds (% Sky Obscured)

2
1
1
1
2
3
4
16
26
32
15
5
1
1
3
0
0
4
4
4
3
10
23
40

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 (%)

19
2
0
17
8
0
1
7
17
0
7
9
5
5
7
7
6
4
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
5
4
4
4
4
3
3
3
2
3
3
3
4
2
4
7
4
2
1
2
2
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

22
22
19
18
18
19
19
19
21
21
21
22
23
23
28
27
27
27
26
26
22
22
22
21

Dew Point (°C)

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

Relative Humidity (%)

81
81
79
78
77
74
72
69
61
54
48
47
47
46
50
53
57
62
68
75
76
77
78
77

Pressure (mb)

1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021

Ozone (du)

328
331
332
332
332
331
329
328
326
324
323
321
320
318
318
318
318
317
316
315
315
314
314
312

Wednesday 15

Waxing Crescent 2%

05:13

23:11

Sun - Rise: 04:25, Set: 22:31, Transit: 13:28. Moon - Rise: 05:13, Set: 23:11. Civil Dark: 23:50 - 03:06. 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: 09/07/26 02:13:47. Forecast: 09/07/26 to 15/07/26. Timezone: UTC+3.00