Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

Waning Crescent 6%

03:55

18:39

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

Sun - Rise: 06:57, Set: 19:18, Transit: 13:08. Moon - Rise: 03:55, Set: 18:39. Civil Dark: 19:51 - 06:24. Nautical Dark: 20:31 - 05:44. Astro Dark: 21:12 - 05:03

Total Clouds (% Sky Obscured)

100
100
100
96
79
82
86
96
99
88
100
74
96
87
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

68
65
56
55
43
23
31
62
83
69
51
70
69
55
61
59
53
50
51
49
47
75
72
79

Medium Clouds (% Sky Obscured)

77
86
84
59
50
41
33
9
43
21
15
18
2
3
2
2
0
0
5
14
66
93
84
84

High Clouds (% Sky Obscured)

84
100
93
96
79
82
62
85
97
59
100
74
64
87
100
100
100
100
100
100
100
100
100
100

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
32
70
100
92
33
1
0
0
0
0
0
0
0
0
0
0
0
45
44
80
89
100

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
1
1
2
4
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)

8
6
6
6
6
7
10
11
12
13
13
12
11
9
7
5
3
3
3
3
3
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
13
12
13
13
14
14
14
15
16
16
16
16
16
16
15
14
13
13
12
12
12
12

Dew Point (°C)

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

Relative Humidity (%)

96
96
98
96
98
95
87
75
64
60
59
61
66
72
79
92
93
95
93
95
96
96
96
96

Pressure (mb)

1018
1018
1017
1017
1017
1017
1017
1017
1016
1016
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1013
1013
1012
1011

Ozone (du)

262
263
262
262
262
264
265
265
264
263
263
263
263
263
263
266
266
266
267
266
266
267
268
268

Saturday 20

Waning Crescent 2%

05:12

18:51

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

Sun - Rise: 06:58, Set: 19:16, Transit: 13:07. Moon - Rise: 05:12, Set: 18:51. Civil Dark: 19:49 - 06:25. Nautical Dark: 20:28 - 05:46. Astro Dark: 21:09 - 05:05

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
100
92
96
89
65
83
52
54
34
48
55
64
66
62
64
65

Low Clouds (% Sky Obscured)

59
72
90
86
80
83
85
89
95
86
83
79
47
72
49
54
34
44
55
64
66
62
64
63

Medium Clouds (% Sky Obscured)

86
63
98
100
100
100
91
89
65
58
90
77
18
18
0
0
0
3
0
0
2
2
3
21

High Clouds (% Sky Obscured)

100
100
100
100
93
100
96
86
100
4
29
0
0
0
0
0
0
23
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
2
6
5
3
5
6
4
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

100
98
99
100
100
100
95
33
26
74
15
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

20
33
35
95
94
76
95
95
95
95
95
43
28
17
4
1
1
6
18
15
4
3
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
4
4
4
4
6
8
7
9
10
13
16
16
17
14
13
8
6
5
5
5
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
13
13
14
15
15
15
15
15
14
12
12
10
9
10
9
8
8
8
8
8
8

Relative Humidity (%)

96
96
96
96
96
98
98
98
98
93
98
95
93
92
92
88
91
90
90
91
91
91
93
93

Pressure (mb)

1010
1010
1010
1009
1009
1009
1009
1008
1008
1007
1007
1007
1008
1009
1010
1011
1013
1013
1014
1014
1014
1015
1015
1016

Ozone (du)

269
271
272
273
274
277
277
277
278
281
286
291
294
300
309
315
314
313
311
310
311
311
311
311

Sunday 21

New Moon 0%

06:27

19:01

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 OK
19 Good
20 Good
21 Good
22 OK
23 OK
00 OK
01 Good
02 Good
03 Good

Sun - Rise: 07:00, Set: 19:14, Transit: 13:07. Moon - Rise: 06:27, Set: 19:01. Civil Dark: 19:47 - 06:27. Nautical Dark: 20:26 - 05:48. Astro Dark: 21:07 - 05:07

Total Clouds (% Sky Obscured)

63
76
79
75
83
86
95
92
88
83
77
77
61
60
37
1
1
5
14
34
19
13
6
0

Low Clouds (% Sky Obscured)

60
74
79
75
76
73
86
81
79
65
59
46
57
58
36
1
1
5
14
34
19
13
6
0

Medium Clouds (% Sky Obscured)

28
22
23
25
52
63
64
74
63
68
30
31
5
2
3
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
1
2
1
1
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

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 (%)

11
1
4
5
11
33
17
12
19
19
16
3
3
2
3
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
5
4
5
9
14
16
16
16
17
16
14
12
10
8
9
10
11
10
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
87
88
91
87
85
84
84
81
76
70
72
66
61
64
65
64
67
69
74
78
79
82

Pressure (mb)

1016
1016
1017
1017
1018
1019
1020
1021
1021
1022
1022
1022
1022
1023
1023
1024
1025
1025
1026
1026
1027
1027
1027
1027

Ozone (du)

312
314
315
317
318
318
317
315
315
314
314
315
317
317
319
321
323
326
331
328
327
329
329
325

Monday 22

Waxing Crescent 1%

07:40

19:12

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

Sun - Rise: 07:02, Set: 19:12, Transit: 13:07. Moon - Rise: 07:40, Set: 19:12. Civil Dark: 19:44 - 06:29. Nautical Dark: 20:23 - 05:50. Astro Dark: 21:04 - 05:09

Total Clouds (% Sky Obscured)

4
23
32
45
38
23
31
39
43
36
26
19
29
44
53
46
39
47
38
41
49
76
89
100

Low Clouds (% Sky Obscured)

3
5
7
12
17
20
30
39
43
36
26
19
25
29
33
38
39
47
35
20
7
16
24
36

Medium Clouds (% Sky Obscured)

0
0
0
0
0
2
2
0
0
0
0
0
0
0
0
0
0
0
0
2
3
2
2
27

High Clouds (% Sky Obscured)

1
18
20
20
15
2
5
2
2
2
0
3
10
23
34
29
14
2
15
28
44
70
86
100

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
1
1
0
2
1
0
0
0
0
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
3
3
3
3
4
2
3
3
3
3
3
3
2
3
3
3
3
4
4
4
4
4
4

Relative Humidity (%)

84
79
79
79
76
73
64
61
58
56
55
54
53
51
57
63
65
69
74
78
81
81
82
86

Pressure (mb)

1027
1028
1028
1029
1029
1030
1030
1030
1030
1030
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1028
1028
1028

Ozone (du)

322
320
319
316
315
313
312
311
311
310
310
310
309
309
308
307
307
307
306
305
305
305
305
305

Tuesday 23

Waxing Crescent 3%

08:52

19:23

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

Sun - Rise: 07:03, Set: 19:09, Transit: 13:06. Moon - Rise: 08:52, Set: 19:23. Civil Dark: 19:42 - 06:30. Nautical Dark: 20:21 - 05:51. Astro Dark: 21:02 - 05:11

Total Clouds (% Sky Obscured)

100
100
97
94
100
95
97
97
87
82
91
87
91
74
100
96
94
96
96
98
99
96
93
85

Low Clouds (% Sky Obscured)

43
57
65
75
81
87
90
92
87
82
91
87
91
74
97
65
77
89
82
76
70
66
66
63

Medium Clouds (% Sky Obscured)

63
77
88
70
87
71
82
89
71
75
76
71
65
60
57
5
5
10
13
29
43
44
42
48

High Clouds (% Sky Obscured)

100
100
92
88
76
78
85
87
87
82
90
85
85
70
50
41
47
53
81
77
75
68
62
52

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

Precipitation Probability (%)

4
4
1
15
18
16
45
56
61
82
95
95
95
95
95
22
29
33
43
52
61
52
47
45

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.3
0.6
0.9
1.3
1.2
1
1
0
0
0
0
0.2
0.4
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
90
91
87
74
64
57
52
52
53
53
54
55
61
72
72
72
74
78
82
88
90
93

Pressure (mb)

1028
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1025
1025
1024
1024
1024
1026
1026
1026
1026
1025
1025
1025
1025

Ozone (du)

305
305
305
306
306
306
307
306
306
307
308
308
308
311
311
316
316
316
317
316
314
313
313
313

Wednesday 24

Waxing Crescent 7%

10:04

19:35

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

Sun - Rise: 07:05, Set: 19:07, Transit: 13:06. Moon - Rise: 10:04, Set: 19:35. Civil Dark: 19:40 - 06:32. Nautical Dark: 20:19 - 05:53. Astro Dark: 20:59 - 05:13

Total Clouds (% Sky Obscured)

83
88
100
99
98
98
92
89
90
93
96
99
100
100
100
100
100
99
99
99
100
99
99
98

Low Clouds (% Sky Obscured)

68
76
88
84
80
76
64
52
45
64
70
76
84
92
100
97
95
92
84
82
85
82
78
71

Medium Clouds (% Sky Obscured)

34
28
27
37
55
65
68
78
83
81
74
75
60
46
37
36
35
32
31
35
47
54
50
43

High Clouds (% Sky Obscured)

68
86
100
98
98
98
92
89
90
93
96
99
100
100
100
98
93
90
93
96
98
72
49
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
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 (%)

39
29
13
15
13
5
19
22
27
30
30
40
35
27
12
31
14
5
7
8
7
7
5
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)

10
10
11
11
12
13
14
13
13
13
13
12
11
10
8
7
6
6
5
5
4
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
8
8
8
8
8
7
7
7
7
6
6
6
7
7
6
6
6
6
7
7
7
7

Relative Humidity (%)

95
93
91
90
87
83
79
77
75
72
70
65
63
66
70
72
74
80
84
85
90
91
93
91

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021

Ozone (du)

312
312
312
312
312
312
312
312
312
312
312
312
312
311
311
311
310
308
307
306
304
303
303
302

Thursday 25

Waxing Crescent 13%

11:17

19:51

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
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:06, Set: 19:05, Transit: 13:05. Moon - Rise: 11:17, Set: 19:51. Civil Dark: 19:38 - 06:33. Nautical Dark: 20:16 - 05:55. Astro Dark: 20:56 - 05:15

Total Clouds (% Sky Obscured)

99
99
100
96
94
89
95
97
99
99
99
99
98
95
92
87
88
80
83
84
89

Low Clouds (% Sky Obscured)

52
45
42
35
31
35
32
45
53
68
70
72
74
77
85
86
86
80
83
83
83

Medium Clouds (% Sky Obscured)

54
65
70
56
44
33
36
40
48
54
55
51
51
50
50
40
39
38
37
31
34

High Clouds (% Sky Obscured)

49
75
100
94
88
89
95
97
99
99
99
99
98
95
92
87
85
70
44
25
11

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

Fog (%)

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
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

5
5
2
8
10
12
34
31
32
35
44
63
58
60
65
59
59
63
60
65
68

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
8
8
8
8
8
8
8
7
8
8
7
7
7
7
8
8
7
7
7
7

Relative Humidity (%)

93
95
95
95
88
80
73
70
66
64
64
64
63
70
76
84
85
85
85
87
87

Pressure (mb)

1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1018
1019
1019
1019
1019
1019

Ozone (du)

301
301
301
301
301
300
300
300
299
299
299
299
299
297
295
294
296
297
299
299
299

Forecast for Exford, Somerset, United Kingdom (51.13,-3.64)

Generated: 19/09/25 04:13:14. Forecast: 19/09/25 to 25/09/25. Timezone: UTC+1.00