Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waxing Crescent 26%

12:37

21:23

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

Sun - Rise: 05:44, Set: 21:10, Transit: 13:26. Moon - Rise: 12:37, Set: 21:23. Civil Dark: 22:01 - 04:54. Nautical Dark: 23:14 - 03:42. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

80
65
60
63
43
93
85
91
81
51
39
34
37
41
45
36
35
46
48
49
43
44
99
70

Low Clouds (% Sky Obscured)

60
61
38
40
33
52
48
67
59
50
39
30
36
30
23
0
15
24
31
26
12
0
0
0

Medium Clouds (% Sky Obscured)

25
18
28
23
22
34
27
28
20
28
15
25
34
41
33
29
32
18
13
21
2
4
44
55

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
3
3
2
2
2
8
12
16
8
40
43
29
31
35
99
59

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 (%)

1
3
10
6
5
6
5
5
5
5
4
5
3
5
6
5
3
1
5
0
0
0
0
1

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
12
12
10
10
10
9
8
8
7
6
5
5
5
5
5
5
4
4
3
3
3
4
4

Chance of Frost

Temperature (°C)

17
18
19
19
20
20
20
20
19
19
18
16
15
14
14
13
12
12
11
10
10
11
13
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
70
61
50
43
36
43
47
47
49
56
66
74
80
87
90
92
93
96
96
96
88
76
67

Pressure (mb)

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

Ozone (du)

337
338
338
338
337
335
334
334
334
333
334
335
335
336
336
337
338
337
334
334
334
334
334
334

Tuesday 18

Waxing Crescent 36%

14:10

21:24

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 OK
01 OK
02 OK
03 Bad
04 OK
05 OK
06 OK
07 Good
08 Good
09 Good

Sun - Rise: 05:46, Set: 21:08, Transit: 13:26. Moon - Rise: 14:10, Set: 21:24. Civil Dark: 21:57 - 04:57. Nautical Dark: 23:09 - 03:46. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

85
77
96
73
59
89
87
80
84
89
85
82
77
57
45
44
24
54
32
34
37
12
17
0

Low Clouds (% Sky Obscured)

3
45
52
32
30
47
43
35
27
27
21
11
19
11
1
0
20
38
32
34
37
7
3
0

Medium Clouds (% Sky Obscured)

60
32
49
46
36
44
40
23
25
32
28
22
17
2
2
2
2
2
0
0
0
0
0
0

High Clouds (% Sky Obscured)

82
47
43
21
3
35
40
50
60
60
70
65
70
57
45
44
7
0
0
0
8
12
17
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
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 (%)

15
15
5
3
3
3
3
1
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
4
4
5
5
5
6
7
6
4
3
4
4
5
5
5
5
5
6
5
6
6
7
7

Chance of Frost

Temperature (°C)

16
18
19
19
20
20
20
19
19
19
17
15
13
12
12
11
10
10
10
9
9
10
12
14

Feels Like (°C)

17
17
17
17
18
19
17
17
16
17
15
12
11
10
9
9
8
10
8
9
9
10
11
12

Dew Point (°C)

8
7
7
5
3
3
6
7
5
6
7
7
6
6
6
7
7
7
5
7
8
8
8
7

Relative Humidity (%)

58
50
45
38
34
32
39
44
39
42
52
59
64
67
66
76
78
81
74
85
90
85
73
64

Pressure (mb)

1003
1002
1002
1002
1002
1002
1002
1002
1001
1001
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002

Ozone (du)

335
336
337
337
337
335
336
335
338
337
337
338
341
343
344
345
346
347
348
349
348
349
350
350

Wednesday 19

Waxing Crescent 46%

15:44

21:26

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

Sun - Rise: 05:49, Set: 21:05, Transit: 13:26. Moon - Rise: 15:44, Set: 21:26. Civil Dark: 21:54 - 05:00. Nautical Dark: 23:05 - 03:50. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

27
30
37
31
55
76
62
65
35
28
35
40
40
35
30
30
20
33
47
68
63
57
54
68

Low Clouds (% Sky Obscured)

26
27
26
24
13
29
15
48
33
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
25
35
30
11
0
0
0
0
0
0
0
0
0
14
29
40
30
21
14
18

High Clouds (% Sky Obscured)

0
0
2
2
21
35
28
18
10
28
35
40
40
35
30
30
20
33
40
30
30
30
30
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 (%)

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

Chance of Frost

Temperature (°C)

16
17
18
19
19
20
20
19
19
18
16
14
12
11
10
10
9
8
8
8
7
9
12
14

Feels Like (°C)

15
15
16
17
17
17
15
16
16
16
13
12
9
8
8
8
7
6
5
6
5
7
10
12

Dew Point (°C)

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

Relative Humidity (%)

54
44
40
37
35
32
31
31
32
36
43
55
59
65
66
67
69
70
73
74
77
74
67
59

Pressure (mb)

1002
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002

Ozone (du)

350
347
344
340
340
339
338
339
342
341
341
340
340
342
342
343
343
343
344
346
347
347
346
346

Thursday 20

First Quarter 56%

17:18

21:34

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

Sun - Rise: 05:51, Set: 21:02, Transit: 13:25. Moon - Rise: 17:18, Set: 21:34. Civil Dark: 21:51 - 05:03. Nautical Dark: 23:00 - 03:54. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

75
88
92
96
100
100
100
100
97
68
48
41
34
57
21
43
39
21
67
76
49
17
7
25

Low Clouds (% Sky Obscured)

0
0
1
1
2
13
23
33
31
13
0
0
0
31
3
20
39
16
67
76
47
14
2
24

Medium Clouds (% Sky Obscured)

23
31
38
50
59
64
70
70
68
62
48
41
34
47
17
43
39
4
2
2
3
3
3
6

High Clouds (% Sky Obscured)

50
59
73
87
100
100
100
96
80
34
7
4
2
0
0
0
0
0
0
3
3
3
3
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
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 (%)

2
1
3
3
1
3
4
4
8
8
3
5
4
0
1
0
0
0
0
1
2
1
0
2

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

Chance of Frost

Temperature (°C)

15
17
18
18
19
19
19
18
18
17
16
14
13
13
13
12
11
10
9
9
9
11
13
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

49
43
39
36
35
34
34
34
37
43
54
63
68
69
65
72
67
68
76
73
74
73
63
53

Pressure (mb)

1002
1002
1002
1002
1002
1002
1002
1002
1003
1003
1003
1004
1005
1005
1005
1006
1006
1006
1007
1007
1007
1007
1008
1008

Ozone (du)

346
346
345
346
346
346
345
343
343
343
343
343
342
342
343
344
344
345
345
347
348
348
347
347

Friday 21

Waxing Gibbous 65%

18:44

21:53

10 OK
11 Bad
12 OK
13 OK
14 OK
15 Bad
16 OK
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

Sun - Rise: 05:54, Set: 20:59, Transit: 13:25. Moon - Rise: 18:44, Set: 21:53. Civil Dark: 21:47 - 05:05. Nautical Dark: 22:56 - 03:58. Astro Dark: N/A - 01:55

Total Clouds (% Sky Obscured)

37
51
31
34
33
47
20
82
82
72
79
94
90
86
79
69
61
68
80
86
87
85
87
86

Low Clouds (% Sky Obscured)

37
51
31
34
32
40
20
21
22
36
25
25
34
42
41
38
35
40
48
56
59
57
56
54

Medium Clouds (% Sky Obscured)

7
6
0
0
3
3
3
23
55
52
41
18
17
16
19
24
25
39
52
56
50
52
51
51

High Clouds (% Sky Obscured)

2
2
0
0
0
0
1
50
51
13
57
87
81
78
71
66
61
68
80
86
87
83
72
45

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
7
6
7
8
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 (%)

1
0
3
5
6
7
6
3
5
26
20
30
30
26
25
23
19
18
13
2
5
5
4
13

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
6
7
7
8
9
9
8
8
7
6
5
4
3
2
2
1
1
1
1
2
3
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
5
5
6
7
8
7
7
9
10
11
11
11
11
11
10
10
10
10
11
10
10
9

Relative Humidity (%)

44
42
40
38
38
41
45
43
44
55
65
76
80
84
87
89
89
90
90
90
92
80
73
64

Pressure (mb)

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

Ozone (du)

347
348
348
347
347
346
347
347
346
347
347
346
347
348
348
347
346
345
346
346
347
347
346
346

Saturday 22

Waxing Gibbous 74%

19:45

22:39

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

Sun - Rise: 05:56, Set: 20:56, Transit: 13:25. Moon - Rise: 19:45, Set: 22:39. Civil Dark: 21:44 - 05:08. Nautical Dark: 22:51 - 04:02. Astro Dark: 00:54 - 02:11

Total Clouds (% Sky Obscured)

85
83
87
86
89
82
78
76
83
90
97
88
79
71
67
59
51
57
66
76
64
53
47
56

Low Clouds (% Sky Obscured)

48
41
50
55
64
60
56
51
60
74
85
74
63
51
41
31
20
16
15
14
21
32
43
54

Medium Clouds (% Sky Obscured)

51
55
61
59
60
59
58
54
50
46
42
42
45
45
51
48
50
49
53
56
45
37
24
40

High Clouds (% Sky Obscured)

22
0
0
0
0
0
1
1
1
1
1
2
3
3
6
8
11
33
56
76
58
38
18
30

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 (%)

15
14
21
24
25
28
27
25
22
22
26
29
31
27
28
25
15
27
35
46
47
49
42
48

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
5
4
4
3
3
3
3
3
4
4
4
4
3
3
3
2
2
3
2
2
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
18
17
19
20
21
18
18
18
17
17
16
15
14
15
14
14
14
11
11
12
11
11
10

Dew Point (°C)

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

Relative Humidity (%)

56
49
43
47
50
53
53
54
54
56
59
61
67
73
80
81
83
86
87
87
90
79
70
62

Pressure (mb)

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

Ozone (du)

345
343
342
340
339
338
337
337
337
337
338
339
340
341
342
341
341
341
340
339
339
338
337
337

Sunday 23

Waxing Gibbous 82%

20:13

23:58

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
02 Bad

Sun - Rise: 05:58, Set: 20:53, Transit: 13:24. Moon - Rise: 20:13, Set: 23:58. Civil Dark: 21:41 - 05:11. Nautical Dark: 22:47 - 04:06. Astro Dark: 00:38 - 02:22

Total Clouds (% Sky Obscured)

61
69
73
74
76
69
63
57
65
74
81
80
77
78
76
80
86

Low Clouds (% Sky Obscured)

61
63
66
68
71
61
48
39
37
32
27
26
26
24
37
49
61

Medium Clouds (% Sky Obscured)

57
69
71
56
35
22
11
2
13
24
35
43
47
55
56
58
55

High Clouds (% Sky Obscured)

42
58
54
48
38
29
19
11
21
34
43
55
53
50
44
43
33

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

51
55
57
61
69
66
62
51
47
37
16
20
16
4
13
17
18

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
17
17
17
18
19
17
17
17
16
17
17
11
11
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

55
47
41
44
47
51
52
53
54
62
72
82
80
78
76
75
74

Pressure (mb)

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

Ozone (du)

337
337
337
336
335
334
334
335
335
334
333
333
334
335
336
340
344

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

Generated: 17/08/26 10:14:58. Forecast: 17/08/26 to 23/08/26. Timezone: UTC+3.00