Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 30

Waning Gibbous 91%

20:28

10:48

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
17 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)

57
62
75
83
98
95
96
95
99
100
100
100
100
97
100
100
100
97
92
100
83
88
99
84

Low Clouds (% Sky Obscured)

57
58
51
49
67
54
72
72
87
82
77
86
89
86
95
95
94
82
81
89
81
77
74
75

Medium Clouds (% Sky Obscured)

0
0
51
69
90
78
73
79
54
51
67
100
100
84
87
96
95
83
72
36
7
30
17
2

High Clouds (% Sky Obscured)

57
62
75
83
60
77
85
9
48
95
81
100
93
48
62
50
93
32
8
45
3
3
48
55

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
2
0
1
9
7
8
1
1
9
9
9
8
5

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

Precipitation Probability (%)

3
0
0
2
8
27
66
56
75
64
95
95
95
92
81
95
95
95
95
75
63
54
53
44

Precipitation Amount (mm)

0
0
0
0
0
0
0.5
0.2
0.6
0.2
1
2.2
2.3
0.4
0.5
0.8
2
1.1
1.1
0.3
0.2
0
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
75
85
95
93
93
96
96
90
89
89
96
98
98
95
96
96
96
98
96
93
89
89
89

Pressure (mb)

1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1006
1006
1005
1005
1004
1004
1004
1003
1003
1003
1004
1004
1005
1005

Ozone (du)

309
307
305
304
302
300
300
302
304
305
304
300
300
300
301
301
301
300
299
301
299
300
301
303

Monday 31

Waning Gibbous 84%

20:28

12:27

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
17 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)

89
80
95
83
100
100
80
97
98
84
78
93
89
73
73
68
86
95
100
100
92
89
88
87

Low Clouds (% Sky Obscured)

83
75
59
57
46
45
58
39
29
50
53
56
53
57
57
35
42
44
60
62
54
50
51
54

Medium Clouds (% Sky Obscured)

2
0
0
0
0
15
50
86
88
20
62
62
60
39
55
68
55
46
56
53
28
20
16
0

High Clouds (% Sky Obscured)

47
5
37
43
100
100
63
67
86
50
52
44
43
9
15
58
55
71
100
100
45
46
50
57

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
4
2
2
8
9
9
9
5
5
9
9
9
9

Fog (%)

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

Precipitation Probability (%)

28
8
3
0
1
1
3
1
2
1
1
1
7
18
39
77
85
89
87
69
60
47
35
34

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.9
0.9
0.8
0.7
0.3
0.3
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
93
92
96
93
92
92
95
98
98
100
98
100
95
86
79
74
71
71
69
64
63
66

Pressure (mb)

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

Ozone (du)

304
306
306
306
306
308
312
313
316
318
319
316
316
314
314
314
313
316
314
313
312
312
310
309

Tuesday 1

Waning Gibbous 75%

20:29

14:13

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 OK
08 OK
09 OK
10 OK
11 OK
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 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)

81
81
81
83
84
81
71
87
65
68
65
60
50
37
43
33
40
37
56
58
94
74
67
61

Low Clouds (% Sky Obscured)

49
49
49
48
47
45
52
60
65
68
65
60
50
37
43
33
37
37
22
18
48
50
56
57

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
0
4
15
14
3
0
0
0
0
0
0
40
30
18
3

High Clouds (% Sky Obscured)

50
50
55
50
50
55
33
54
12
4
0
0
0
0
0
3
7
7
56
58
50
19
6
3

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
1
3
11
95
95
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93

Precipitation Type

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

Precipitation Probability (%)

20
12
5
7
5
3
2
3
3
3
3
4
2
1
0
0
0
0
1
3
10
38
60
67

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
0.4
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
77
85
87
90
92
93
95
93
92
92
90
90
89
80
70
63
55
46
40
42
48
57
66

Pressure (mb)

1007
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1005
1005
1006
1006
1006
1005
1005
1005
1005
1005
1005

Ozone (du)

311
311
312
313
314
314
315
314
315
316
317
317
315
314
314
313
313
314
314
314
314
314
313
313

Wednesday 2

Waning Gibbous 64%

20:32

16:03

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 OK
16 Bad
17 OK

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)

63
90
72
84
74
58
63
68
60
66
78
67
62
57
52
50
50
52
46
42
37
31
23
16

Low Clouds (% Sky Obscured)

43
39
37
42
45
45
56
62
60
43
24
12
18
24
29
30
34
43
39
37
35
31
23
16

Medium Clouds (% Sky Obscured)

12
25
34
30
58
41
53
28
2
15
29
47
40
31
25
21
17
11
8
4
0
0
0
0

High Clouds (% Sky Obscured)

24
80
31
84
74
58
10
17
5
19
55
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
5
9

Fog (%)

93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93

Precipitation Type

Very Light Rain
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 (%)

60
45
15
11
9
7
12
9
2
4
3
2
5
3
2
3
4
4
10
17
18
17
19
18

Precipitation Amount (mm)

0.3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
74
83
89
90
93
89
81
81
92
93
87
88
90
81
76
67
61
57
51
49
51
52
56

Pressure (mb)

1005
1005
1005
1005
1005
1004
1004
1004
1004
1004
1004
1003
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1003
1003

Ozone (du)

312
312
312
312
311
311
312
313
315
320
322
324
324
328
326
326
327
329
330
330
328
327
325
325

Thursday 3

Waning Gibbous 52%

20:41

17:46

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

Sun - Rise: 06:25, Set: 20:20, Transit: 13:21. Moon - Rise: 20:41, Set: 17:46. Civil Dark: 21:05 - 05:40. Nautical Dark: 22:02 - 04:44. Astro Dark: 23:14 - 03:33

Total Clouds (% Sky Obscured)

10
8
3
24
30
25
30
31
33
43
51
31
31
29
26
50
55
64
66
77
90
91
93
93

Low Clouds (% Sky Obscured)

10
8
1
2
1
0
0
0
0
0
0
0
2
3
3
27
27
27
46
57
65
58
53
49

Medium Clouds (% Sky Obscured)

0
0
0
1
30
25
30
31
33
43
51
24
24
23
22
12
23
30
34
36
32
25
29
30

High Clouds (% Sky Obscured)

0
0
0
24
30
25
30
31
33
43
51
13
10
5
0
0
0
0
0
1
1
28
57
85

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
7
8
9

Fog (%)

93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93

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 (%)

12
14
11
4
5
2
4
3
3
3
1
0
0
1
3
17
20
19
27
32
36
39
39
32

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)

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

Chance of Frost

Temperature (°C)

15
13
11
10
9
8
8
7
6
6
6
6
6
8
10
12
13
14
15
15
15
16
15
15

Feels Like (°C)

14
12
11
10
8
7
6
6
5
5
5
5
7
8
10
12
12
12
12
13
14
14
13
12

Dew Point (°C)

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

Relative Humidity (%)

59
66
77
87
88
85
81
81
82
83
86
90
90
90
81
73
66
61
55
56
55
55
56
57

Pressure (mb)

1003
1003
1003
1002
1002
1002
1001
1001
1001
1000
1000
999
999
999
999
998
998
998
998
998
998
998
998
998

Ozone (du)

325
325
324
322
320
320
320
321
323
324
324
325
330
330
329
328
328
328
328
329
331
332
333
334

Friday 4

Third Quarter 40%

21:06

No Set

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
17 Bad

Sun - Rise: 06:27, Set: 20:17, Transit: 13:21. Moon - Rise: 21:06, Set: No Set. Civil Dark: 21:01 - 05:43. Nautical Dark: 21:58 - 04:47. Astro Dark: 23:09 - 03:38

Total Clouds (% Sky Obscured)

94
93
94
86
77
67
68
66
60
58
65
68
79
92
92
96
92
92
83
83
79
72
66
59

Low Clouds (% Sky Obscured)

48
47
46
45
45
45
38
29
19
24
30
35
26
14
2
10
17
18
17
21
20
22
29
33

Medium Clouds (% Sky Obscured)

49
69
89
84
77
67
51
31
12
16
21
30
30
31
31
43
49
45
47
49
51
37
25
17

High Clouds (% Sky Obscured)

86
82
73
77
77
67
60
42
25
30
35
40
38
36
34
39
43
48
47
47
52
41
28
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 (%)

93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93

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 (%)

31
28
28
36
35
30
27
21
7
13
13
8
14
15
12
32
37
41
40
37
33
29
24
19

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)

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

Chance of Frost

Temperature (°C)

15
14
13
12
11
11
10
10
9
9
8
8
7
9
11
12
13
14
15
16
16
17
16
16

Feels Like (°C)

12
13
13
13
9
9
9
9
9
9
8
8
8
8
8
8
12
12
12
12
13
13
16
16

Dew Point (°C)

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

Relative Humidity (%)

58
65
72
80
84
87
91
93
95
96
96
98
96
91
84
79
68
57
50
47
45
43
46
49

Pressure (mb)

998
998
998
998
998
998
998
997
997
997
997
997
997
997
997
997
997
997
997
997
997
997
997
997

Ozone (du)

335
336
337
338
338
338
338
341
344
348
345
343
340
340
339
339
339
338
338
338
338
337
338
338

Saturday 5

Waning Crescent 29%

22:10

18:54

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: 06:29, Set: 20:14, Transit: 13:20. Moon - Rise: 22:10, Set: 18:54. Civil Dark: 20:58 - 05:46. Nautical Dark: 21:54 - 04:50. Astro Dark: 23:04 - 03:42

Total Clouds (% Sky Obscured)

62
59
54
54
55
57
64
70
76
70
68
66
65
64
65
67
69
72
79
86
91

Low Clouds (% Sky Obscured)

31
32
30
34
34
34
44
55
66
54
43
33
36
37
38
35
27
20
27
35
44

Medium Clouds (% Sky Obscured)

12
8
3
9
15
22
31
44
54
45
40
36
31
33
31
22
11
2
23
44
70

High Clouds (% Sky Obscured)

14
14
15
21
23
35
40
35
30
18
12
10
7
3
1
16
30
42
44
47
46

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

Fog (%)

93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93
93

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

17
15
8
12
12
6
13
13
11
17
17
14
14
12
9
12
10
4
10
12
14

Precipitation Amount (mm)

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
16
16
16
9
9
9
10
9
9
8
8
8
7
7
7
11
11
11
13
14

Dew Point (°C)

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

Relative Humidity (%)

53
61
71
84
83
83
84
82
82
82
84
85
88
82
78
75
66
58
51
52
53

Pressure (mb)

998
998
998
998
998
998
998
998
998
998
998
998
998
999
999
999
999
1000
1000
1000
1000

Ozone (du)

338
338
338
339
339
339
339
339
340
340
341
341
342
342
341
341
341
342
343
344
345

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

Generated: 30/08/26 18:35:53. Forecast: 30/08/26 to 05/09/26. Timezone: UTC+3.00