Clear Outside v1.0 - International Weather Forecasts For Astronomers

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)

86
89
92
95
88
96
92
85
81
94
78
74
55
91
100
100
100
100
98
73
60
58
58
99

Low Clouds (% Sky Obscured)

86
81
79
84
71
71
60
64
72
67
49
54
34
41
43
75
76
64
57
40
37
48
54
52

Medium Clouds (% Sky Obscured)

86
89
73
38
69
88
80
71
29
43
62
42
40
12
100
87
100
100
95
60
13
2
0
82

High Clouds (% Sky Obscured)

86
89
88
55
55
0
0
5
12
57
56
55
34
71
96
55
55
32
55
1
57
32
32
63

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

95
91
69
87
95
95
86
57
53
53
18
16
12
18
39
71
95
69
66
47
25
11
14
27

Precipitation Amount (mm)

0.9
1.1
0.6
0.6
0.7
0.5
0.3
0
0
0
0
0
0
0
0
0.4
0.8
0.2
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
95
95
92
89
90
90
90
90
92
92
93
92
92
90
90
87
86
87
89
90
91
90
87

Pressure (mb)

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

Ozone (du)

303
301
303
307
309
311
310
310
310
309
308
310
311
312
314
316
314
309
311
307
302
298
298
297

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)

90
94
52
61
54
55
58
99
94
70
99
100
94
99
98
100
100
100
100
100
88
90
100
95

Low Clouds (% Sky Obscured)

79
50
34
39
36
44
40
55
62
70
95
79
89
82
92
94
85
84
84
69
51
58
54
54

Medium Clouds (% Sky Obscured)

59
76
47
53
52
55
58
72
83
60
69
45
38
51
79
60
76
95
72
98
44
21
90
57

High Clouds (% Sky Obscured)

22
35
6
0
3
8
44
62
30
3
45
94
50
93
56
100
100
100
100
100
53
54
100
92

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
6
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
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None

Precipitation Probability (%)

23
15
34
32
34
41
41
44
19
28
38
34
35
33
46
81
95
95
95
53
31
21
7
7

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
1.7
1.2
0.7
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
78
73
67
65
68
69
71
75
79
89
90
89
90
92
92
90
95
93
87
86
87
86
84

Pressure (mb)

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

Ozone (du)

296
300
304
304
301
301
300
299
297
299
297
295
292
291
291
292
292
293
295
299
301
301
303
303

Sunday 20

Waxing Gibbous 68%

18:32

23:04

10 Bad
11 Bad
12 OK
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: 07:05, 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)

61
82
38
52
92
77
65
68
100
100
100
98
68
85
80
77
74
83
83
89
79
78
74
64

Low Clouds (% Sky Obscured)

47
43
38
38
37
47
36
31
57
62
64
65
35
66
76
77
74
83
79
82
66
69
73
64

Medium Clouds (% Sky Obscured)

41
11
2
20
72
16
0
0
41
45
45
93
56
71
60
60
60
13
3
5
6
3
3
0

High Clouds (% Sky Obscured)

2
55
2
3
87
56
25
20
100
94
90
34
30
73
70
70
65
60
4
20
18
3
8
4

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
9
9
5
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 (%)

18
9
5
4
9
2
7
15
21
45
50
51
38
44
35
34
29
25
10
8
7
7
6
7

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)

11
12
12
13
13
12
12
11
10
8
6
7
6
5
4
4
4
4
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
76
73
65
62
62
63
69
74
79
80
80
83
87
88
87
85
87
85
88
91
93
91
85

Pressure (mb)

1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1000
1000
1000
1000
1000
999
1000
1000
1000
1000
1000
1001
1001

Ozone (du)

304
305
308
312
315
317
318
322
320
319
321
325
333
338
337
337
337
339
341
342
342
343
347
347

Monday 21

Waxing Gibbous 77%

18:39

00:39

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

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)

55
50
43
41
34
37
34
44
48
59
69
65
53
46
42
40
38
39
36
66
69
70
60
45

Low Clouds (% Sky Obscured)

55
50
43
40
30
27
16
11
20
28
37
30
22
17
23
29
36
37
36
39
39
36
36
28

Medium Clouds (% Sky Obscured)

2
0
0
0
0
0
0
1
8
13
19
13
8
2
0
0
0
0
0
42
3
40
34
2

High Clouds (% Sky Obscured)

4
4
3
20
18
9
11
44
32
43
52
52
30
24
13
6
0
2
2
30
43
12
4
19

ISS Passover

Visibility (miles)

9
9
4
4
9
9
9
5
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 (%)

5
14
37
30
28
24
25
19
7
3
1
1
1
0
0
0
0
1
1
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
6
7
6
6
6
6
4
5
5
5
6
6
6
6
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
13
14
14
14
14
14
14
13
11
9
8
7
8
8
8
7
8
7
7
5
5
6
7

Dew Point (°C)

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

Relative Humidity (%)

78
71
67
63
60
55
55
59
67
74
81
85
85
88
88
90
91
95
96
94
94
94
93
84

Pressure (mb)

1002
1003
1003
1004
1004
1005
1005
1006
1007
1008
1008
1009
1010
1011
1011
1012
1013
1013
1014
1015
1015
1016
1017
1017

Ozone (du)

347
346
347
347
347
347
346
345
346
345
342
339
337
336
333
332
332
333
332
330
327
327
328
326

Tuesday 22

Waxing Gibbous 85%

18:41

02:13

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

29
24
26
28
30
30
31
29
25
22
19
36
33
31
28
27
23
28
34
41
49
55
62
56

Low Clouds (% Sky Obscured)

23
17
19
20
24
24
27
23
19
16
14
22
23
24
27
27
23
28
34
41
40
36
32
37

Medium Clouds (% Sky Obscured)

4
4
4
0
0
0
0
0
0
0
0
4
2
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
3
2
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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 (%)

0
0
0
0
0
0
0
1
0
0
0
2
3
0
2
2
1
4
4
1
6
10
9
7

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

Chance of Frost

Temperature (°C)

10
12
13
14
14
15
15
14
13
11
9
8
8
7
7
6
6
5
5
5
5
6
7
8

Feels Like (°C)

8
11
12
13
13
13
13
13
12
11
9
8
8
7
7
7
6
7
4
4
4
4
4
5

Dew Point (°C)

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

Relative Humidity (%)

76
65
57
51
48
48
49
54
58
68
77
79
79
79
79
82
83
86
83
83
80
82
82
84

Pressure (mb)

1018
1019
1019
1019
1020
1020
1020
1021
1021
1022
1022
1023
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

323
323
323
323
323
323
322
321
320
318
315
310
308
306
304
303
303
302
300
298
295
294
292
291

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

52
49
56
61
65
56
48
40
44
46
50
63
75
87
80
80
77
77
76
76
86
91
95
95

Low Clouds (% Sky Obscured)

42
42
52
54
54
46
38
29
37
45
50
45
36
22
21
24
22
26
36
45
44
46
45
53

Medium Clouds (% Sky Obscured)

0
0
5
10
13
11
9
9
6
3
0
0
0
0
16
32
48
45
43
45
45
45
45
50

High Clouds (% Sky Obscured)

2
3
5
6
8
6
5
4
3
3
3
16
29
42
43
44
50
55
60
65
75
80
80
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

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

Precipitation Probability (%)

3
1
6
7
4
12
14
15
12
9
4
7
7
2
3
5
2
13
13
6
43
61
69
74

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
7
8
8
9
9
12
12
11
11
11
11
5
6
6
6
6
7
6
7
7
6
6
5

Dew Point (°C)

5
6
6
5
5
4
5
5
5
5
5
5
4
4
4
4
4
5
5
5
5
5
5
4

Relative Humidity (%)

76
71
66
61
57
54
57
61
64
69
75
82
84
85
88
88
90
91
91
91
93
87
82
78

Pressure (mb)

1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1020
1020
1019
1019
1018
1018
1017
1016
1016

Ozone (du)

290
290
289
289
288
288
288
289
290
289
288
287
286
286
285
285
285
285
285
285
285
286
286
287

Thursday 24

Waxing Gibbous 96%

18:42

05:17

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: 07:14, Set: 19:16, Transit: 13:14. Moon - Rise: 18:42, Set: 05:17. Civil Dark: 19:57 - 06:33. Nautical Dark: 20:47 - 05:43. Astro Dark: 21:41 - 04:49

Total Clouds (% Sky Obscured)

95
91
86
81
76
81
76
71
75
85
85
83
81
84
79
74
66

Low Clouds (% Sky Obscured)

53
52
47
46
40
35
39
43
49
49
50
51
42
34
31
27
31

Medium Clouds (% Sky Obscured)

50
50
46
37
33
41
46
50
57
54
55
53
56
58
39
19
0

High Clouds (% Sky Obscured)

75
65
60
65
70
80
76
71
75
85
85
54
27
2
2
1
0

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

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

Precipitation Probability (%)

85
95
92
60
13
22
21
2
23
25
18
18
19
26
26
21
7

Precipitation Amount (mm)

0.5
0.9
0.7
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
9
10
11
11
11
11
11
11
11
10
10
10
10
10
9
9

Feels Like (°C)

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

Dew Point (°C)

3
3
2
1
1
1
2
3
3
4
5
5
6
6
7
7
7

Relative Humidity (%)

69
62
55
52
50
47
51
54
58
63
67
71
74
77
81
82
84

Pressure (mb)

1015
1015
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014

Ozone (du)

287
287
287
288
288
289
289
290
290
289
288
287
286
286
285
288
292

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

Generated: 18/09/26 10:18:23. Forecast: 18/09/26 to 24/09/26. Timezone: UTC+3.00