Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 17

Waxing Crescent 39%

16:22

19:56

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: 06:58, Set: 19:37, Transit: 13:16. Moon - Rise: 16:22, Set: 19:56. Civil Dark: 20:19 - 06:16. Nautical Dark: 21:11 - 05:24. Astro Dark: 22:09 - 04:27

Total Clouds (% Sky Obscured)

76
77
89
74
73
65
57
52
62
42
49
73
77
91
100
100
99
100
96
100
100
99
100
100

Low Clouds (% Sky Obscured)

68
66
77
69
69
55
55
52
55
34
34
36
42
39
45
35
26
31
60
54
48
52
47
68

Medium Clouds (% Sky Obscured)

29
27
33
30
35
26
18
3
19
16
24
43
48
77
80
98
96
85
64
55
55
52
100
94

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
21
100
100
93
100
79
98
89
87
98
100

ISS Passover

Visibility (miles)

9
7
5
9
9
6
6
8
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

32
95
70
70
79
71
44
31
17
11
9
11
12
16
24
15
15
16
16
6
4
5
22
63

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
13
13
13
14
14
15
15
14
13
11
11
11
9
9
8
9
9
8
10
10
9
10

Dew Point (°C)

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

Relative Humidity (%)

83
80
79
75
68
65
68
69
73
80
89
91
96
96
96
93
93
93
91
91
91
91
87
79

Pressure (mb)

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

Ozone (du)

328
330
328
327
327
326
327
327
327
325
324
321
317
314
312
311
309
309
309
307
304
304
305
307

Friday 18

First Quarter 48%

17:35

20:30

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: 07:00, Set: 19:34, Transit: 13:16. Moon - Rise: 17:35, Set: 20:30. Civil Dark: 20:16 - 06:18. Nautical Dark: 21:08 - 05:27. Astro Dark: 22:05 - 04:31

Total Clouds (% Sky Obscured)

100
100
100
99
99
100
100
96
52
64
98
99
93
100
69
100
100
99
70
56
58
55
97
87

Low Clouds (% Sky Obscured)

89
80
82
88
90
89
80
69
52
61
43
41
33
25
31
29
45
76
49
46
54
49
52
41

Medium Clouds (% Sky Obscured)

96
100
100
92
94
93
100
71
52
60
44
28
64
97
58
80
89
96
59
40
23
18
39
17

High Clouds (% Sky Obscured)

92
68
82
28
18
52
39
81
2
21
89
96
81
94
53
60
100
47
46
0
45
42
89
65

ISS Passover

Visibility (miles)

7
3
5
6
9
3
2
7
9
9
9
9
9
9
4
3
4
3
5
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
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None

Precipitation Probability (%)

95
95
84
63
95
95
95
95
95
94
77
41
26
33
48
49
75
81
74
73
54
17
23
26

Precipitation Amount (mm)

0.9
0.9
0.6
0.3
1
0.7
1.3
1.6
0.7
0.5
0.4
0
0
0
0
0
0.3
0.5
0.4
0.5
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
95
95
93
93
95
96
93
89
90
90
90
89
86
87
87
87
84
87
89
90
92
89
84

Pressure (mb)

1003
1003
1003
1003
1003
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1003

Ozone (du)

309
310
314
318
317
316
316
317
318
319
319
319
318
317
318
318
318
318
321
317
312
303
297
295

Saturday 19

Waxing Gibbous 58%

18:16

21:36

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: 07:02, Set: 19:31, Transit: 13:16. Moon - Rise: 18:16, Set: 21:36. Civil Dark: 20:13 - 06:21. Nautical Dark: 21:04 - 05:30. Astro Dark: 22:01 - 04:34

Total Clouds (% Sky Obscured)

77
44
67
54
63
86
93
100
99
98
97
94
100
98
88
96
97
98
99
100
100
99
99
99

Low Clouds (% Sky Obscured)

46
42
38
44
49
56
31
46
53
50
89
80
79
74
80
82
81
81
83
84
79
78
56
65

Medium Clouds (% Sky Obscured)

11
2
8
40
51
61
60
55
97
94
91
30
12
75
25
30
92
95
91
99
48
45
41
42

High Clouds (% Sky Obscured)

51
3
34
0
3
35
79
100
82
80
80
78
80
32
70
86
67
66
81
91
85
76
77
85

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
3
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
Very Light Rain
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

21
11
11
19
27
48
37
31
38
59
53
47
40
37
34
33
27
43
55
63
65
67
73
74

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
14
15
15
16
15
15
15
15
14
14
14
14
15
15
15
15
15
15
15
15
15
15
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
76
70
68
68
68
72
74
79
82
87
86
87
90
92
93
92
92
93
93
90
87
86
84

Pressure (mb)

1003
1004
1004
1004
1005
1005
1005
1006
1006
1006
1005
1005
1005
1004
1004
1003
1003
1002
1001
1001
1000
1000
1000
1000

Ozone (du)

294
294
296
294
292
291
295
297
296
295
294
292
291
290
292
293
292
294
292
292
294
297
300
303

Sunday 20

Waxing Gibbous 68%

18:32

23:04

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

Sun - Rise: 07:05, Set: 19:28, Transit: 13:15. Moon - Rise: 18:32, Set: 23:04. Civil Dark: 20:10 - 06:23. Nautical Dark: 21:01 - 05:32. Astro Dark: 21:57 - 04:37

Total Clouds (% Sky Obscured)

76
82
82
81
86
78
67
59
46
28
10
12
14
17
22
28
33
48
59
60
62
95
93
67

Low Clouds (% Sky Obscured)

68
68
63
57
49
51
45
50
43
25
8
10
13
16
20
25
30
47
59
60
62
69
66
43

Medium Clouds (% Sky Obscured)

44
45
30
17
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
3
2
2
2
8

High Clouds (% Sky Obscured)

29
34
36
43
43
33
15
0
0
0
0
0
0
3
2
2
2
0
0
0
4
45
45
32

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

Precipitation Probability (%)

70
69
64
58
43
33
25
8
9
10
7
11
12
8
9
10
9
10
6
7
9
9
6
10

Precipitation Amount (mm)

0.3
0.3
0.2
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
13
13
12
12
11
11
10
10
8
6
4
4
4
4
3
3
3
3
2
2
2
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
76
71
66
63
64
65
68
70
75
78
85
87
88
90
91
93
93
94
94
94
93
90
84

Pressure (mb)

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

Ozone (du)

306
307
308
311
314
318
322
325
326
333
337
339
341
342
344
344
345
344
342
343
343
343
345
345

Monday 21

Waxing Gibbous 77%

18:39

00:39

10 Bad
11 OK
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: 07:07, Set: 19:25, Transit: 13:15. Moon - Rise: 18:39, Set: 00:39. Civil Dark: 20:07 - 06:25. Nautical Dark: 20:57 - 05:35. Astro Dark: 21:53 - 04:40

Total Clouds (% Sky Obscured)

52
28
43
54
68
42
23
5
30
35
45
73
75
80
74
77
81
86
92
100
99
98
98
98

Low Clouds (% Sky Obscured)

22
4
11
18
26
20
12
0
11
16
23
27
27
27
43
54
67
72
76
81
79
78
76
68

Medium Clouds (% Sky Obscured)

43
16
11
19
27
20
11
0
11
15
24
64
65
57
64
68
72
72
77
80
76
71
67
79

High Clouds (% Sky Obscured)

45
28
43
52
42
14
7
5
28
10
3
18
33
50
38
24
16
37
61
82
88
89
85
90

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
8
4
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
Very Light Rain
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

7
8
20
19
33
47
53
60
51
50
46
56
51
43
34
24
24
25
23
27
28
26
14
20

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
4
4
5
6
7
6
6
5
5
4
4
5
6
6
7
8
8
9
9
10
11
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
69
66
59
57
58
60
67
78
84
88
90
91
93
95
95
93
91
91
91
91
88
87
87

Pressure (mb)

1003
1004
1004
1005
1005
1005
1006
1006
1007
1007
1008
1008
1006
1006
1006
1007
1007
1007
1007
1007
1008
1008
1009
1009

Ozone (du)

344
343
341
338
338
339
340
341
342
343
343
342
341
340
340
340
339
339
338
337
336
334
333
331

Tuesday 22

Waxing Gibbous 85%

18:41

02:13

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: 07:10, Set: 19:22, Transit: 13:15. Moon - Rise: 18:41, Set: 02:13. Civil Dark: 20:04 - 06:28. Nautical Dark: 20:54 - 05:38. Astro Dark: 21:49 - 04:43

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
100
89
80
70
76
78
82
81
80
80
77
76
75
71

Low Clouds (% Sky Obscured)

61
57
51
55
61
68
75
82
82
83
83
84
80
70
76
78
82
81
80
80
77
76
75
71

Medium Clouds (% Sky Obscured)

90
100
100
100
100
100
100
100
99
98
97
73
45
18
13
8
3
2
1
0
1
1
2
17

High Clouds (% Sky Obscured)

94
98
99
99
100
96
90
84
76
68
60
44
34
23
16
8
0
8
14
18
17
17
20
25

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

16
7
44
52
50
70
82
88
84
82
76
62
54
44
41
35
19
26
29
29
32
31
26
29

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
8
8
8
8
8
8
8
7
7
7
7
7
8
8
8
8
8
8
8
8
9
9
9

Relative Humidity (%)

82
81
77
79
80
81
83
83
84
85
85
87
88
90
91
91
91
91
93
93
93
95
93
93

Pressure (mb)

1009
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1012
1012
1012
1013
1013
1013
1014
1014
1014
1015

Ozone (du)

328
325
323
321
320
319
318
317
317
318
318
319
321
323
326
325
324
324
321
319
317
314
312
310

Wednesday 23

Waxing Gibbous 91%

18:42

03:45

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: 07:12, Set: 19:19, Transit: 13:14. Moon - Rise: 18:42, Set: 03:45. Civil Dark: 20:00 - 06:30. Nautical Dark: 20:51 - 05:40. Astro Dark: 21:45 - 04:46

Total Clouds (% Sky Obscured)

67
65
65
65
65
49
40
31
46
67
91
75
59
44
59
74
84

Low Clouds (% Sky Obscured)

67
65
65
65
65
49
40
31
28
18
7
14
20
25
27
28
36

Medium Clouds (% Sky Obscured)

33
48
49
54
55
44
39
31
27
28
29
19
10
0
21
43
69

High Clouds (% Sky Obscured)

25
34
39
35
30
18
13
12
36
63
85
56
29
6
4
2
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
6
5
6
8
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

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

Precipitation Probability (%)

28
26
33
37
39
45
48
47
37
31
31
27
19
2
10
10
3

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
86
83
81
79
78
80
84
87
88
91
96
96
96
96
96
95

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014

Ozone (du)

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

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

Generated: 17/09/26 10:01:40. Forecast: 17/09/26 to 23/09/26. Timezone: UTC+3.00