Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 26

Waxing Gibbous 95%

20:28

03:06

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

Sun - Rise: 06:03, Set: 20:47, Transit: 13:24. Moon - Rise: 20:28, Set: 03:06. Civil Dark: 21:34 - 05:16. Nautical Dark: 22:38 - 04:13. Astro Dark: 00:16 - 02:40

Total Clouds (% Sky Obscured)

69
44
42
57
81
49
47
44
45
19
35
48
55
51
45
0
0
33
58
93
88
83
75
64

Low Clouds (% Sky Obscured)

31
32
62
68
61
35
37
29
21
2
20
32
26
21
10
0
0
2
5
33
50
25
13
30

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
12
14
23
17
20
23
18

High Clouds (% Sky Obscured)

0
3
8
32
3
2
4
3
9
7
4
6
27
30
4
2
2
3
2
2
2
3
3
3

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
9
9
9
9

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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)

12
10
9
10
9
8
6
6
4
5
6
7
6
6
5
6
6
6
5
5
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
59
58
56
56
57
59
65
70
72
73
72
73
73
76
82
84
85
86
85
79
78
72
54

Pressure (mb)

1019
1019
1019
1019
1020
1020
1020
1020
1020
1021
1021
1021
1022
1022
1022
1023
1023
1023
1023
1024
1024
1024
1024
1025

Ozone (du)

326
326
324
322
320
318
317
317
318
318
318
317
317
318
318
319
318
318
317
317
313
311
309
306

Thursday 27

Waxing Gibbous 98%

20:30

04:40

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

Sun - Rise: 06:06, Set: 20:44, Transit: 13:24. Moon - Rise: 20:30, Set: 04:40. Civil Dark: 21:31 - 05:19. Nautical Dark: 22:34 - 04:17. Astro Dark: 00:07 - 02:48

Total Clouds (% Sky Obscured)

59
46
45
67
68
55
24
15
30
42
61
53
38
52
61
52
43
48
69
67
59
56
59
90

Low Clouds (% Sky Obscured)

55
46
43
53
49
29
5
5
15
20
24
25
35
35
35
20
10
19
39
38
5
10
20
64

Medium Clouds (% Sky Obscured)

26
2
0
19
14
18
6
0
4
15
26
22
10
17
24
22
10
6
17
16
19
22
20
47

High Clouds (% Sky Obscured)

3
3
5
0
2
2
2
2
3
3
3
5
3
3
3
3
3
9
5
5
25
26
19
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
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
5
5
5
5
2
2
2
1
1
1
1
2
2
3
2
3
3
3
4
3
3
2
2

Chance of Frost

Temperature (°C)

19
20
20
21
21
21
20
20
18
16
14
13
12
12
11
11
10
10
10
10
12
16
18
20

Feels Like (°C)

20
20
20
20
19
21
20
19
18
16
14
12
12
11
10
10
10
9
8
9
11
16
18
19

Dew Point (°C)

8
7
7
7
8
11
13
13
13
10
8
7
6
6
5
5
4
4
4
5
7
11
13
12

Relative Humidity (%)

47
43
41
40
43
54
62
67
69
67
65
65
66
66
66
66
66
66
67
69
70
71
69
62

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027

Ozone (du)

305
304
304
305
305
306
306
305
305
305
305
304
303
304
303
304
305
309
310
309
309
310
311
312

Friday 28

Full Moon 100%

20:30

06:11

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
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:08, Set: 20:41, Transit: 13:23. Moon - Rise: 20:30, Set: 06:11. Civil Dark: 21:28 - 05:22. Nautical Dark: 22:30 - 04:20. Astro Dark: 23:59 - 02:55

Total Clouds (% Sky Obscured)

91
90
91
93
82
80
88
89
84
73
85
94
94
99
97
95
95
100
100
100
100
99
90
79

Low Clouds (% Sky Obscured)

69
62
33
41
35
40
35
35
34
38
45
45
43
38
35
37
35
51
52
56
57
62
53
58

Medium Clouds (% Sky Obscured)

53
44
60
53
39
29
21
21
22
25
24
19
27
31
19
35
42
46
40
41
45
35
24
27

High Clouds (% Sky Obscured)

35
46
43
43
40
61
75
78
74
61
75
71
72
85
75
67
74
94
91
64
48
46
31
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 (%)

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

Chance of Frost

Temperature (°C)

20
20
21
21
21
20
20
19
17
15
13
12
11
11
11
10
10
11
11
12
14
15
17
18

Feels Like (°C)

20
19
19
19
18
18
18
17
15
13
12
11
10
9
10
9
9
10
10
11
13
15
16
17

Dew Point (°C)

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

Relative Humidity (%)

53
45
41
40
43
49
54
57
61
63
65
69
72
75
77
77
76
76
73
73
71
68
65
63

Pressure (mb)

1027
1027
1027
1027
1027
1027
1026
1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026
1026

Ozone (du)

312
313
314
314
314
314
314
315
315
316
316
317
319
320
320
318
315
314
312
313
314
312
311
311

Saturday 29

Waning Gibbous 99%

20:29

07:42

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

Sun - Rise: 06:10, Set: 20:38, Transit: 13:23. Moon - Rise: 20:29, Set: 07:42. Civil Dark: 21:24 - 05:25. Nautical Dark: 22:26 - 04:24. Astro Dark: 23:52 - 03:01

Total Clouds (% Sky Obscured)

79
73
48
88
59
46
100
100
100
100
100
98
100
99
96
97
99
100
100
100
100
96
91
85

Low Clouds (% Sky Obscured)

61
43
9
5
10
3
41
61
52
65
38
30
18
37
58
55
18
16
27
27
34
28
16
3

Medium Clouds (% Sky Obscured)

23
26
24
33
37
27
28
20
23
45
45
42
68
75
94
87
46
50
40
40
89
88
86
82

High Clouds (% Sky Obscured)

5
36
22
81
18
28
100
100
100
100
100
79
100
97
73
75
90
100
100
100
100
95
89
84

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
1
3
6
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
5
7
7
7
7
5
4
4
4
5
5
5
6
6
6
7
7
9
10
11
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
18
19
19
18
18
18
16
15
14
14
14
14
14
14
14
14
14
14
14
14
14
14
15

Dew Point (°C)

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

Relative Humidity (%)

59
55
50
46
45
47
50
62
70
75
76
79
80
80
77
76
77
85
83
80
74
73
70
66

Pressure (mb)

1026
1026
1025
1025
1024
1024
1024
1023
1023
1023
1022
1021
1021
1021
1020
1020
1019
1018
1017
1016
1016
1015
1015
1014

Ozone (du)

308
305
303
303
303
303
300
299
297
296
297
295
294
294
292
290
291
291
290
289
290
290
290
289

Sunday 30

Waning Gibbous 96%

20:29

09:14

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
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:13, Set: 20:35, Transit: 13:23. Moon - Rise: 20:29, Set: 09:14. Civil Dark: 21:21 - 05:27. Nautical Dark: 22:22 - 04:27. Astro Dark: 23:45 - 03:07

Total Clouds (% Sky Obscured)

85
86
86
90
95
99
98
97
96
95
95
94
96
97
99
96
95
79
54
52
77
61
65
80

Low Clouds (% Sky Obscured)

2
1
0
26
43
64
63
74
87
89
90
91
89
86
84
82
79
73
54
52
77
61
53
46

Medium Clouds (% Sky Obscured)

85
86
67
82
71
83
91
86
80
79
79
80
84
88
92
86
64
30
37
41
43
33
26
17

High Clouds (% Sky Obscured)

81
70
66
60
58
51
62
68
74
64
57
50
65
78
94
74
61
5
0
0
0
0
2
34

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
3
4
4
9
2
0
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
2
4
5
50
68
78
78
84
82
73
43
28
23
23
18
17
18
19
39
48
51

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.4
0.5
0.5
0.6
0.6
0.4
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
19
19
19
19
19
19
18
18
17
16
16
16
16
15
15
15
15
15
15
16
16
17
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
62
61
60
56
58
58
62
63
64
86
93
96
96
96
98
96
95
96
95
95
89
81
72

Pressure (mb)

1013
1012
1012
1011
1010
1009
1008
1008
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1006
1006
1007
1007
1007
1007

Ozone (du)

291
289
289
288
288
289
289
288
288
289
289
289
292
295
297
299
301
305
309
310
311
311
308
305

Monday 31

Waning Gibbous 91%

20:28

10:48

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
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:15, Set: 20:32, Transit: 13:22. Moon - Rise: 20:28, Set: 10:48. Civil Dark: 21:18 - 05:30. Nautical Dark: 22:18 - 04:31. Astro Dark: 23:38 - 03:13

Total Clouds (% Sky Obscured)

75
71
70
82
78
82
80
100
100
90
80
73
72
77
82
85
89
94
95
97
98
98
99
99

Low Clouds (% Sky Obscured)

45
64
51
40
43
34
35
81
63
53
50
47
64
75
82
85
89
94
92
90
88
82
73
65

Medium Clouds (% Sky Obscured)

12
7
2
22
44
57
62
83
76
59
43
23
34
40
40
28
30
27
25
22
19
17
17
17

High Clouds (% Sky Obscured)

27
5
45
59
21
28
21
16
42
67
34
1
2
2
2
2
2
3
18
34
52
66
81
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

51
45
22
21
17
14
28
35
40
30
29
34
48
69
95
95
95
87
67
47
33
33
36
42

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.8
0.9
0.9
0.6
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
19
19
20
19
19
18
17
17
16
16
15
15
15
15
16
16
16
16
16
16
16
17
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
57
60
58
60
61
66
76
85
89
92
92
92
90
90
89
92
92
92
90
90
89
79
72

Pressure (mb)

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

Ozone (du)

304
304
302
301
300
300
299
298
300
302
301
300
299
299
300
300
299
298
297
296
296
295
294
294

Tuesday 1

Waning Gibbous 84%

20:28

No Set

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
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:18, Set: 20:29, Transit: 13:22. Moon - Rise: 20:28, Set: No Set. Civil Dark: 21:14 - 05:33. Nautical Dark: 22:14 - 04:34. Astro Dark: 23:32 - 03:18

Total Clouds (% Sky Obscured)

98
97
95
92
86
80
73
63
58
59
65
68
74
77
81
82
83
84
79
75
70
73
77
79

Low Clouds (% Sky Obscured)

53
48
47
42
37
32
35
36
38
43
51
57
68
77
81
82
83
84
79
75
70
73
71
65

Medium Clouds (% Sky Obscured)

16
15
11
28
46
59
60
60
58
47
38
36
39
42
45
50
55
55
37
18
0
11
21
31

High Clouds (% Sky Obscured)

93
92
91
88
82
73
69
63
58
55
55
55
55
55
50
45
40
35
20
11
7
6
3
1

ISS Passover

Visibility (miles)

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

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

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

Precipitation Probability (%)

56
69
83
69
50
25
20
24
31
36
39
40
46
56
67
85
93
94
70
43
24
30
38
50

Precipitation Amount (mm)

0.2
0.3
0.6
0.3
0
0
0
0
0
0
0
0
0
0.2
0.3
0.6
0.7
0.8
0.4
0
0
0
0
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
63
61
61
62
63
64
72
79
89
90
92
93
95
95
96
96
96
96
95
90
89
85
81

Pressure (mb)

1006
1006
1006
1006
1006
1006
1005
1005
1005
1005
1005
1005
1005
1005
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004

Ozone (du)

293
292
292
291
291
290
290
290
290
290
291
291
292
293
293
294
297
301
304
306
308
310
313
317

Forecast for Vols, Helsinki, Finland (60.17,24.39)

Generated: 26/08/26 08:18:02. Forecast: 26/08/26 to 01/09/26. Timezone: UTC+3.00