Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 21

Waxing Gibbous 77%

18:39

00:39

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

77
80
100
97
85
80
33
28
31
38
39
41
37
39
41
46
45
49
50
46
37
19
22
23

Low Clouds (% Sky Obscured)

41
45
63
43
49
27
32
28
31
38
39
41
37
39
41
43
39
45
47
46
37
19
22
23

Medium Clouds (% Sky Obscured)

57
62
62
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

72
77
47
45
43
48
5
0
0
0
0
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
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
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 (%)

57
49
45
22
12
4
3
2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.5
0.4
0.3
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
6
5
4
4
4
5
5
4
4
4
4
5
5
5
6
6
6
7
8
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

50
48
48
55
63
76
84
87
90
93
91
93
93
95
94
96
94
96
93
81
68
59
54
51

Pressure (mb)

1005
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1015
1016
1017
1018
1018
1019
1020
1020
1021
1022
1022
1022

Ozone (du)

347
348
346
345
344
343
343
344
344
343
342
339
336
333
330
330
329
327
326
322
321
321
321
322

Tuesday 22

Waxing Gibbous 85%

18:41

02:13

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

Sun - Rise: 07:10, Set: 19:22, Transit: 13:14. 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)

30
45
12
2
0
3
0
0
0
2
9
37
18
45
57
51
55
88
74
97
96
99
100
100

Low Clouds (% Sky Obscured)

30
45
12
2
0
3
0
0
0
2
8
15
16
17
18
40
50
65
59
74
70
39
100
94

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
17
2
24
31
22
32
81
57
92
43
48
49
53

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
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
Light Rain

Precipitation Probability (%)

0
3
0
0
0
0
0
0
0
0
0
0
0
0
0
2
16
24
25
33
9
15
37
68

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
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
13
12
13
12
10
8
7
7
6
6
6
5
5
4
3
3
3
4
5
7
9
10
9

Dew Point (°C)

4
4
4
6
6
6
5
5
5
4
5
5
5
5
5
4
4
4
4
6
9
9
11
11

Relative Humidity (%)

49
49
50
58
62
69
78
79
82
84
85
88
88
88
87
85
84
82
84
87
91
88
92
92

Pressure (mb)

1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1021
1022
1022
1021
1021
1021

Ozone (du)

322
321
320
320
320
319
318
317
316
312
310
309
307
305
304
302
302
302
303
305
308
310
312
312

Wednesday 23

Waxing Gibbous 91%

18:42

03:45

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
10 Bad
11 Bad
12 Bad
13 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)

100
100
97
62
60
60
65
97
100
100
100
97
97
100
100
99
100
100
100
100
100
100
99
98

Low Clouds (% Sky Obscured)

100
95
94
62
60
60
65
61
66
77
77
86
87
98
100
99
94
100
98
96
95
94
93
91

Medium Clouds (% Sky Obscured)

88
99
32
4
33
22
0
3
16
48
63
71
78
89
100
97
100
100
97
99
67
58
98
42

High Clouds (% Sky Obscured)

31
44
40
0
0
0
35
89
100
100
100
87
86
79
70
81
92
100
100
98
100
100
88
71

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
9
9
9
9
9
0
0
0
2
2
1
2
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

47
33
37
6
3
7
5
4
2
1
2
1
1
9
51
72
73
46
26
55
76
90
80
69

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
88
84
83
84
95
96
98
98
98
96
95
95
95
98
100
98
96
96
96
96
92
86
87

Pressure (mb)

1021
1021
1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1018
1017
1016
1015
1014
1013
1012
1012
1011
1010
1010
1010

Ozone (du)

313
315
317
319
320
319
312
305
300
296
294
293
292
292
291
291
290
289
290
290
291
292
293
296

Thursday 24

Waxing Gibbous 96%

18:42

05:17

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
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:14, Set: 19:16, Transit: 13:13. 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)

97
89
82
71
71
71
69
65
62
58
65
72
79
86
93
97
92
88
82
80
78
69
65
52

Low Clouds (% Sky Obscured)

90
77
73
65
56
53
46
43
37
37
38
41
52
56
59
65
67
69
67
61
58
52
54
52

Medium Clouds (% Sky Obscured)

40
25
13
0
4
9
15
42
36
27
36
40
28
36
50
60
51
42
33
33
30
28
35
43

High Clouds (% Sky Obscured)

70
70
3
70
70
60
60
55
55
50
55
48
55
50
47
22
3
15
2
2
0
0
0
0

ISS Passover

Visibility (miles)

9
9
5
6
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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

70
65
61
39
28
19
2
4
4
1
1
0
0
2
4
3
12
15
18
20
29
31
50
59

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
90
86
87
79
86
88
90
88
87
87
90
91
93
93
93
95
91
90
86
81
77
76
73

Pressure (mb)

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

Ozone (du)

298
300
305
307
313
313
312
315
315
314
313
312
312
311
309
304
302
299
298
299
298
299
299
300

Friday 25

Waxing Gibbous 99%

18:41

06:49

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
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:17, Set: 19:13, Transit: 13:13. Moon - Rise: 18:41, Set: 06:49. Civil Dark: 19:54 - 06:35. Nautical Dark: 20:44 - 05:46. Astro Dark: 21:38 - 04:52

Total Clouds (% Sky Obscured)

72
55
56
53
78
86
95
91
82
94
97
98
100
100
100
100
97
95
92
93
93
94
95
96

Low Clouds (% Sky Obscured)

62
50
44
47
75
75
71
70
58
66
88
98
100
100
100
100
91
82
73
75
79
83
80
72

Medium Clouds (% Sky Obscured)

50
33
21
2
18
61
69
52
54
49
58
58
61
60
65
60
57
53
51
53
53
46
50
47

High Clouds (% Sky Obscured)

0
0
0
0
1
4
38
2
3
50
50
45
4
4
3
3
7
14
24
49
66
75
60
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

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

Precipitation Probability (%)

73
64
60
71
61
45
16
34
46
49
43
40
37
57
40
26
31
31
29
37
36
30
34
38

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
71
70
71
72
79
81
81
81
84
85
85
84
86
86
86
86
86
84
83
81
80
80
72

Pressure (mb)

1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1015

Ozone (du)

301
301
302
308
317
318
318
322
321
316
313
311
310
309
308
307
306
306
306
307
307
307
307
307

Saturday 26

Full Moon 100%

18:41

08:23

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
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:19, Set: 19:10, Transit: 13:13. Moon - Rise: 18:41, Set: 08:23. Civil Dark: 19:51 - 06:38. Nautical Dark: 20:41 - 05:48. Astro Dark: 21:34 - 04:55

Total Clouds (% Sky Obscured)

97
90
83
76
81
87
93
93
93
90
93
96
97
95
96
98
98
98
98
94
91
88
90
92

Low Clouds (% Sky Obscured)

66
71
71
68
75
82
89
83
76
64
68
72
80
87
93
98
97
96
96
90
85
81
86
90

Medium Clouds (% Sky Obscured)

51
39
27
14
25
32
47
46
40
31
32
34
39
33
31
30
29
23
26
23
24
21
14
13

High Clouds (% Sky Obscured)

57
37
10
1
1
1
0
0
0
0
0
1
1
1
2
2
7
13
17
17
17
16
13
11

ISS Passover

Visibility (miles)

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

38
35
40
37
40
44
48
50
37
41
43
37
39
49
39
46
44
37
31
31
29
26
18
16

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
12
12
12
12
12
11
11
11
11
11
11
11
11
11
11
11
11
11
11
12
12
13
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
59
62
65
67
73
77
83
87
88
91
91
88
88
88
90
91
91
91
93
89
83
79
79

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1018
1018
1018
1019

Ozone (du)

307
307
306
305
304
305
306
307
308
308
309
307
305
304
302
300
299
298
296
295
293
291
289
288

Sunday 27

Waning Gibbous 98%

18:41

10:03

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

Sun - Rise: 07:21, Set: 19:07, Transit: 13:12. Moon - Rise: 18:41, Set: 10:03. Civil Dark: 19:48 - 06:40. Nautical Dark: 20:38 - 05:51. Astro Dark: 21:30 - 04:58

Total Clouds (% Sky Obscured)

94
94
93
93
87
81
74
78
82
85
80
74
68
79
89
98
99
100
100

Low Clouds (% Sky Obscured)

94
92
89
79
76
71
67
70
74
77
72
67
61
50
39
29
24
24
24

Medium Clouds (% Sky Obscured)

12
9
11
12
13
14
10
13
17
21
14
8
0
0
0
0
28
55
82

High Clouds (% Sky Obscured)

10
5
4
3
2
2
1
1
0
0
0
0
0
2
4
7
36
68
100

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

9
18
18
16
23
21
9
15
16
3
4
3
0
1
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
80
82
83
86
89
88
91
91
91
91
91
95
95
93
95
95
91
90

Pressure (mb)

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

Ozone (du)

287
286
286
286
286
284
282
280
279
278
277
276
275
275
275
275
275
278
280

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

Generated: 21/09/26 13:10:16. Forecast: 21/09/26 to 27/09/26. Timezone: UTC+3.00