Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 31

Waning Gibbous 84%

20:28

12:27

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
18 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)

95
97
100
100
100
91
89
100
100
100
100
100
71
71
57
67
78
86
66
82
78
90
96
98

Low Clouds (% Sky Obscured)

89
86
81
67
62
51
54
51
72
62
47
48
48
69
53
48
48
41
43
40
41
48
35
37

Medium Clouds (% Sky Obscured)

27
31
12
42
19
44
54
48
18
71
50
44
3
2
7
27
20
37
37
29
30
26
23
27

High Clouds (% Sky Obscured)

36
55
86
100
100
73
57
99
100
100
100
55
28
12
4
4
56
60
6
51
55
79
93
95

ISS Passover

Visibility (miles)

6
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 (%)

13
14
2
5
4
0
2
2
2
3
2
3
3
3
3
2
7
10
12
38
40
45
49
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
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
93
95
93
95
96
93
89
87
89
93
98
98
95
86
77
70
64
62
60
59
59
61
66

Pressure (mb)

1006
1006
1007
1007
1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1007
1007
1008
1008
1008
1007
1008
1008
1007
1007

Ozone (du)

302
302
304
305
307
310
311
312
315
314
315
316
317
317
316
317
318
319
319
318
316
315
315
315

Tuesday 1

Waning Gibbous 75%

20:29

14:13

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 OK
09 OK
10 OK
11 Good
12 Good
13 OK
14 OK
15 OK
16 Bad
17 Bad
18 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)

100
100
100
93
91
91
86
59
60
61
48
49
39
45
36
31
13
18
26
32
31
53
89
90

Low Clouds (% Sky Obscured)

48
59
59
55
47
45
50
59
60
61
48
49
39
45
36
28
12
15
22
26
25
30
33
32

Medium Clouds (% Sky Obscured)

42
10
0
0
20
9
2
2
2
0
0
0
2
2
2
1
0
0
0
0
0
4
40
26

High Clouds (% Sky Obscured)

100
100
99
89
60
58
52
9
5
5
6
6
0
0
0
0
0
0
0
4
6
29
60
66

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
1
6
8
10
72
93
100
99
97
97
47
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 (%)

13
11
5
2
2
3
2
2
1
1
1
1
1
1
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
4
4
4
4
3
3
3
3
3
4
4
4
4
4
4
4
5
5
5
6
6
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
14
15
14
14
13
13
13
13
13
13
13
12
9
7
6
5
5
6
5
4
4
5
7

Relative Humidity (%)

74
86
96
96
95
95
96
96
98
98
98
98
92
77
65
57
50
48
45
40
37
36
39
49

Pressure (mb)

1007
1007
1007
1007
1007
1007
1007
1006
1006
1006
1006
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007

Ozone (du)

314
314
314
313
314
314
315
314
314
314
314
315
316
319
320
319
317
317
317
315
316
316
316
316

Wednesday 2

Waning Gibbous 64%

20:32

16:03

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

99
51
72
51
11
51
63
77
100
100
100
76
40
29
26
32
50
66
62
44
56
66
38
52

Low Clouds (% Sky Obscured)

38
36
34
13
3
51
37
46
46
51
45
48
40
29
26
32
30
43
49
40
55
66
38
48

Medium Clouds (% Sky Obscured)

48
14
2
32
2
0
2
69
100
78
55
55
20
0
0
0
28
26
17
0
0
0
0
6

High Clouds (% Sky Obscured)

90
12
50
38
5
6
25
44
100
100
100
57
20
0
0
0
0
0
0
0
0
0
0
5

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

Precipitation Probability (%)

5
5
1
2
12
10
14
18
29
87
63
36
61
37
10
11
20
19
16
14
14
18
17
21

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.5
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
5
5
6
4
4
4
4
5
5
5
5
4
6
8
9
10
10
12
12
13
12
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
82
90
92
96
98
96
95
92
90
92
89
89
82
70
61
56
54
52
52
56
61
65
65

Pressure (mb)

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

Ozone (du)

318
317
317
317
317
318
317
317
319
320
322
322
321
320
318
319
322
322
324
328
335
338
339
339

Thursday 3

Waning Gibbous 52%

20:41

17:46

19 Bad
20 Bad
21 OK
22 Bad
23 Bad
00 Bad
01 Bad
02 OK
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

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)

57
52
36
33
35
33
32
26
41
62
77
77
65
60
57
61
66
67
65
68
70
51
42
27

Low Clouds (% Sky Obscured)

35
35
36
33
35
33
32
26
40
46
58
53
48
59
42
38
40
44
47
54
59
47
42
27

Medium Clouds (% Sky Obscured)

40
28
3
2
3
3
6
3
2
2
9
24
18
3
11
23
33
29
23
18
37
11
3
3

High Clouds (% Sky Obscured)

3
4
2
2
4
10
14
4
3
27
14
52
3
0
0
2
2
2
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
8
6
4

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 (%)

22
13
15
16
20
14
13
11
12
8
5
6
9
3
9
17
27
35
42
38
36
35
32
22

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)

7
6
4
4
4
3
3
3
2
2
2
3
2
3
4
5
6
8
8
8
9
9
9
8

Chance of Frost

Temperature (°C)

14
13
12
11
10
9
9
9
8
8
8
8
9
10
12
14
15
17
17
18
18
17
17
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
79
87
88
90
91
91
91
95
93
95
95
93
85
79
72
60
55
50
46
47
55
62
75

Pressure (mb)

1004
1004
1004
1004
1003
1003
1003
1002
1002
1002
1002
1002
1002
1002
1001
1001
1001
1001
1001
1000
1000
1000
1000
1000

Ozone (du)

338
340
342
343
344
344
343
343
341
338
335
334
334
333
333
332
331
328
327
329
331
332
332
331

Friday 4

Third Quarter 40%

21:06

18:54

19 OK
20 OK
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
17 Bad
18 Bad

Sun - Rise: 06:27, Set: 20:17, Transit: 13:21. Moon - Rise: 21:06, Set: 18:54. Civil Dark: 21:01 - 05:43. Nautical Dark: 21:58 - 04:47. Astro Dark: 23:09 - 03:38

Total Clouds (% Sky Obscured)

17
9
25
51
84
84
83
87
83
80
84
81
82
82
84
90
96
96
98
100
100
100
100
95

Low Clouds (% Sky Obscured)

16
6
9
11
22
20
12
8
16
23
29
34
35
33
36
51
66
71
76
82
71
58
43
45

Medium Clouds (% Sky Obscured)

3
3
0
0
0
18
36
54
59
60
55
60
60
65
63
60
49
51
48
40
24
21
15
16

High Clouds (% Sky Obscured)

0
0
18
39
52
54
48
52
53
58
62
55
61
68
54
67
79
77
70
65
73
86
100
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
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

15
6
5
2
2
3
4
4
15
13
15
50
54
66
5
4
3
9
12
9
24
21
6
20

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
89
90
93
93
93
95
95
96
98
96
98
96
91
84
83
81
79
76
74
71
70
69
68

Pressure (mb)

1000
1000
1000
1000
999
999
998
998
998
997
997
997
997
997
996
997
997
997
998
998
998
999
999
999

Ozone (du)

330
330
330
329
329
329
329
329
328
327
326
327
327
327
327
327
327
327
327
328
328
329
329
330

Saturday 5

Waning Crescent 29%

22:10

18:54

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
18 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)

88
82
75
68
61
62
60
59
59
61
63
59
57
52
57
59
63
58
57
53
50
47
44
48

Low Clouds (% Sky Obscured)

48
50
51
49
46
47
45
43
42
41
40
40
37
36
35
35
29
23
21
16
20
27
33
43

Medium Clouds (% Sky Obscured)

17
19
12
7
2
2
3
3
5
6
7
6
5
4
11
23
32
31
30
29
18
8
0
0

High Clouds (% Sky Obscured)

88
81
69
57
45
36
28
22
20
18
16
11
7
3
3
4
4
3
2
1
0
0
0
1

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 (%)

26
10
11
10
4
3
2
0
0
0
0
0
0
0
2
2
1
7
10
14
29
40
43
38

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
77
81
84
88
93
93
93
91
93
96
96
88
81
73
65
58
51
47
44
41
43
44
46

Pressure (mb)

1000
1000
1001
1001
1002
1003
1003
1003
1004
1004
1005
1005
1006
1006
1007
1007
1007
1008
1008
1008
1008
1009
1009
1009

Ozone (du)

330
330
330
330
330
330
330
331
331
331
332
332
332
332
333
332
332
331
332
334
335
334
333
331

Sunday 6

Waning Crescent 18%

23:53

19:22

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: 06:32, Set: 20:11, Transit: 13:20. Moon - Rise: 23:53, Set: 19:22. Civil Dark: 20:55 - 05:48. Nautical Dark: 21:51 - 04:53. Astro Dark: 22:58 - 03:46

Total Clouds (% Sky Obscured)

48
46
48
50
53
68
81
94
92
91
90
84
75
69
74
79
83
75
68
62

Low Clouds (% Sky Obscured)

48
46
48
50
53
45
35
23
22
28
34
39
40
42
54
66
80
75
68
62

Medium Clouds (% Sky Obscured)

0
0
0
0
0
22
43
65
66
68
70
57
48
34
40
44
52
44
37
25

High Clouds (% Sky Obscured)

1
1
5
9
18
41
58
77
55
33
14
11
5
4
4
4
4
10
14
24

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

32
16
19
17
6
8
14
6
10
11
8
10
9
7
17
22
22
31
36
42

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
14
10
10
10
10
9
9
7
8
8
7
7
6
12
11
12
12
12

Dew Point (°C)

5
6
7
7
8
8
8
8
8
8
8
8
8
8
7
9
10
11
12
13

Relative Humidity (%)

53
62
71
77
84
91
91
93
95
93
91
91
85
80
75
77
81
86
87
90

Pressure (mb)

1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1008
1008
1008
1008

Ozone (du)

331
330
330
329
329
329
327
326
324
323
323
322
321
319
318
316
315
313
311
309

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

Generated: 31/08/26 19:41:46. Forecast: 31/08/26 to 06/09/26. Timezone: UTC+3.00