Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 29

Waning Gibbous 96%

20:29

09:14

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:13, Set: 20:35, Transit: 13:22. 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)

77
82
86
89
100
99
100
100
100
100
100
100
99
100
100
100
100
75
87
88
89
91
92
66

Low Clouds (% Sky Obscured)

0
0
0
56
65
45
61
62
79
79
83
77
86
78
76
69
68
61
73
81
84
84
81
62

Medium Clouds (% Sky Obscured)

77
82
75
86
79
81
78
89
99
100
99
99
92
87
57
59
46
20
34
35
39
59
67
21

High Clouds (% Sky Obscured)

77
82
86
80
98
97
100
98
97
79
100
100
78
100
65
100
91
5
15
60
3
3
3
3

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

30
16
44
22
0
0
1
7
41
73
73
56
45
33
29
13
10
22
36
65
75
76
82
73

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.5
0.4
0.2
0
0
0
0
0
0
0
0.4
0.4
0.4
0.5
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
11
11
10
11
11
12
12
15
16
16
15
15
15
15
16
16
16
16
16
15
15
15

Relative Humidity (%)

59
64
62
62
61
63
65
67
71
86
95
96
96
95
96
93
92
92
88
84
82
78
80
77

Pressure (mb)

1012
1012
1011
1011
1010
1010
1009
1009
1009
1008
1008
1008
1008
1008
1007
1007
1007
1008
1007
1007
1007
1007
1007
1007

Ozone (du)

287
286
287
288
291
292
293
294
294
295
297
300
302
304
307
308
310
312
316
317
321
320
317
313

Sunday 30

Waning Gibbous 91%

20:28

10:48

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
12 Bad
13 Bad
14 Bad
15 Bad
16 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)

76
70
65
95
96
99
99
99
95
98
95
97
91
97
100
98
100
100
100
100
89
85
86
100

Low Clouds (% Sky Obscured)

57
53
44
47
49
54
47
43
50
80
76
86
68
76
90
88
91
97
95
96
85
79
86
73

Medium Clouds (% Sky Obscured)

2
0
2
81
79
93
90
91
79
88
64
81
48
42
94
88
90
100
88
71
58
53
47
2

High Clouds (% Sky Obscured)

55
50
55
78
62
68
85
77
59
10
38
43
67
68
76
62
92
40
53
50
4
4
3
91

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
1
1
1
0
5
5
9
3
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
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

26
6
0
0
0
0
10
24
32
25
27
54
80
75
86
95
95
95
83
92
77
41
32
31

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.2
0.3
1.1
0.7
1.1
0.4
0.8
0.3
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
72
77
85
92
95
96
95
95
95
92
92
93
96
96
96
96
96
98
96
96
98
96
96

Pressure (mb)

1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1006
1006
1005
1005
1005
1005
1005
1005
1004
1004
1005
1005

Ozone (du)

311
309
307
305
304
304
304
303
304
304
305
306
306
305
300
301
301
299
299
299
296
296
297
297

Monday 31

Waning Gibbous 84%

20:28

12:27

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:18, Set: 20:29, Transit: 13:22. Moon - Rise: 20:28, Set: 12:27. Civil Dark: 21:14 - 05:33. Nautical Dark: 22:14 - 04:34. Astro Dark: 23:32 - 03:18

Total Clouds (% Sky Obscured)

78
72
67
47
100
100
100
82
91
100
92
94
100
100
100
100
93
82
81
94
98
96
95
75

Low Clouds (% Sky Obscured)

58
38
46
24
28
43
35
36
45
44
46
45
48
51
54
42
39
53
56
70
83
83
77
47

Medium Clouds (% Sky Obscured)

3
3
2
2
2
21
61
68
81
46
75
85
90
100
100
83
78
70
44
55
73
40
31
32

High Clouds (% Sky Obscured)

52
63
54
34
100
100
100
63
65
100
69
77
100
100
100
100
87
33
37
34
24
35
43
43

ISS Passover

Visibility (miles)

3
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

35
16
14
3
2
2
1
1
2
2
2
2
6
9
18
35
62
80
79
86
75
77
62
61

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
88
89
93
96
100
98
96
98
100
98
98
98
96
98
93
89
82
73
66
64
63
63
63

Pressure (mb)

1005
1005
1005
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006

Ozone (du)

299
300
302
303
302
302
303
305
307
310
312
312
313
314
315
316
316
315
315
314
313
312
312
312

Tuesday 1

Waning Gibbous 75%

20:29

14:13

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:20, Set: 20:26, Transit: 13:22. Moon - Rise: 20:29, Set: 14:13. Civil Dark: 21:11 - 05:35. Nautical Dark: 22:10 - 04:37. Astro Dark: 23:26 - 03:23

Total Clouds (% Sky Obscured)

77
62
69
63
56
48
48
48
48
50
52
54
56
67
76
85
85
87
88
98
100
96
87
80

Low Clouds (% Sky Obscured)

49
38
39
41
50
48
48
48
48
50
52
45
46
49
50
51
49
48
53
58
62
68
67
52

Medium Clouds (% Sky Obscured)

27
17
12
6
2
1
0
0
0
0
0
0
0
1
2
0
22
43
60
48
36
24
16
7

High Clouds (% Sky Obscured)

38
30
30
19
13
6
1
0
0
0
0
0
0
15
30
45
51
55
56
88
100
79
69
63

ISS Passover

Visibility (miles)

9
9
9
5
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
Very Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

71
55
38
40
34
19
2
5
4
0
1
1
1
3
4
4
11
20
35
48
60
83
82
77

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
6
4
4
4
4
4
4
3
3
3
3
2
2
2
2
2
2
3
4
5
6
7
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
65
71
85
93
93
95
95
95
96
96
96
96
95
96
92
84
79
71
63
57
52
52
56

Pressure (mb)

1006
1005
1005
1006
1006
1006
1006
1006
1006
1006
1006
1005
1006
1006
1006
1006
1006
1006
1006
1006
1005
1005
1005
1005

Ozone (du)

313
313
315
314
315
314
314
314
313
312
311
311
311
310
310
309
309
308
308
307
307
307
308
308

Wednesday 2

Waning Gibbous 64%

20:32

16:03

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

Sun - Rise: 06:22, Set: 20:23, Transit: 13:21. Moon - Rise: 20:32, Set: 16:03. Civil Dark: 21:08 - 05:38. Nautical Dark: 22:06 - 04:40. Astro Dark: 23:20 - 03:28

Total Clouds (% Sky Obscured)

77
75
75
71
41
70
71
64
71
85
79
79
77
99
100
80
66
67
69
64
61
53
66
81

Low Clouds (% Sky Obscured)

46
44
38
36
31
50
60
30
15
8
20
33
46
45
39
40
23
22
22
34
41
50
53
56

Medium Clouds (% Sky Obscured)

0
0
0
0
10
18
29
33
42
51
56
56
52
58
59
65
21
30
33
40
43
40
30
35

High Clouds (% Sky Obscured)

45
45
45
45
9
46
46
17
30
50
37
34
14
75
86
64
26
26
24
33
38
39
54
75

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

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

Precipitation Probability (%)

63
42
12
4
3
5
4
4
9
2
13
23
32
78
95
95
11
14
15
40
52
59
61
62

Precipitation Amount (mm)

0.3
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.9
1.1
0
0
0
0
0
0.2
0.2
0.3

Wind Speed/Direction (mph)

9
9
9
8
7
6
5
5
4
4
5
5
5
5
7
9
11
9
10
11
11
11
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
72
75
79
86
90
86
81
90
93
91
87
93
93
93
86
75
66
58
52
51
50
50
54

Pressure (mb)

1005
1005
1005
1006
1006
1006
1006
1006
1005
1005
1005
1004
1004
1004
1003
1003
1002
1006
1006
1006
1006
1005
1005
1005

Ozone (du)

308
309
310
310
310
310
311
315
319
318
314
313
311
311
311
311
311
311
312
312
312
312
311
311

Thursday 3

Waning Gibbous 52%

20:41

No Set

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:25, Set: 20:20, Transit: 13:21. Moon - Rise: 20:41, Set: No Set. Civil Dark: 21:05 - 05:40. Nautical Dark: 22:02 - 04:44. Astro Dark: 23:14 - 03:33

Total Clouds (% Sky Obscured)

100
99
98
97
98
99
100
99
98
98
99
99
100
97
97
95
96
94
93
87
89
89
89
90

Low Clouds (% Sky Obscured)

59
60
60
60
61
64
67
72
73
71
77
82
88
86
86
86
75
65
47
49
54
57
54
48

Medium Clouds (% Sky Obscured)

35
49
63
77
82
87
92
83
74
64
62
60
60
49
38
27
41
51
52
53
53
54
50
45

High Clouds (% Sky Obscured)

100
91
82
74
77
81
85
86
86
86
89
94
100
68
35
3
17
31
45
38
30
26
26
25

ISS Passover

Visibility (miles)

9
9
9
9
9
7
4
1
1
1
1
2
4
6
7
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

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

Precipitation Probability (%)

65
53
46
43
46
62
89
94
95
95
92
92
95
89
81
74
71
63
50
57
60
51
44
31

Precipitation Amount (mm)

0.3
0.2
0
0
0
0.3
0.8
0.8
0.8
0.7
0.6
0.5
0.5
0.5
0.4
0.4
0.4
0.3
0
0
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
16
16
16
15
15
15
15
15
15
15
15
15
15
15
15
15
15
16
16
16
16
17
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
65
71
77
83
87
92
96
96
96
96
95
93
93
90
89
87
78
70
64
63
62
62
63

Pressure (mb)

1005
1004
1004
1003
1002
1001
1001
1000
999
998
998
997
997
996
996
996
996
996
996
996
996
997
997
997

Ozone (du)

311
312
313
314
316
315
314
313
314
315
316
318
320
322
323
323
324
325
325
325
325
325
325
327

Friday 4

Third Quarter 40%

21:06

17:46

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
12 Bad
13 Bad
14 Bad

Sun - Rise: 06:27, Set: 20:17, Transit: 13:21. Moon - Rise: 21:06, Set: 17:46. Civil Dark: 21:01 - 05:43. Nautical Dark: 21:58 - 04:47. Astro Dark: 23:09 - 03:38

Total Clouds (% Sky Obscured)

90
94
96
98
98
99
98
92
86
79
79
73
65
64
64
57
58
58
57
62
67
71

Low Clouds (% Sky Obscured)

42
36
31
26
34
37
38
35
34
31
29
34
39
39
34
30
45
58
57
62
61
50

Medium Clouds (% Sky Obscured)

45
42
39
37
46
53
61
50
41
31
25
21
18
21
20
21
16
11
5
17
28
42

High Clouds (% Sky Obscured)

24
45
66
85
80
78
67
51
44
35
27
14
0
1
1
1
2
2
3
2
2
2

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

Fog (%)

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

Precipitation Probability (%)

23
21
18
16
20
20
9
18
17
7
12
10
5
13
15
9
23
27
26
39
44
42

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
14
14
14
14
10
11
11
10
11
11
10
11
11
10
10
9
14
14
15
14
15

Dew Point (°C)

9
9
10
9
9
9
9
9
9
8
8
9
9
10
9
9
8
8
9
9
10
10

Relative Humidity (%)

64
65
70
74
79
79
80
81
83
83
83
86
90
91
84
79
71
68
66
63
62
61

Pressure (mb)

997
997
998
998
998
998
998
998
998
999
999
999
999
999
1000
1000
1000
1001
1001
1001
1002
1002

Ozone (du)

328
329
330
331
332
332
333
333
333
334
335
334
334
333
334
334
335
335
335
335
335
335

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

Generated: 29/08/26 17:53:35. Forecast: 29/08/26 to 04/09/26. Timezone: UTC+3.00