Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 12%

03:50

18:21

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
10 Bad

Sun - Rise: 06:53, Set: 19:17, Transit: 13:04. Moon - Rise: 03:50, Set: 18:21. Civil Dark: 19:50 - 06:20. Nautical Dark: 20:29 - 05:40. Astro Dark: 21:11 - 04:59

Total Clouds (% Sky Obscured)

99
92
87
82
75
86
86
78
73
67
71
76
82
72
87
82
78
82
83
78
77
81
80
90

Low Clouds (% Sky Obscured)

83
75
79
82
75
81
75
63
65
58
64
60
68
62
81
69
61
71
78
78
77
81
79
77

Medium Clouds (% Sky Obscured)

35
43
2
0
0
0
2
33
24
0
0
0
10
14
17
18
24
17
6
13
3
6
4
13

High Clouds (% Sky Obscured)

4
6
7
9
59
75
71
21
17
29
26
73
36
36
38
45
59
51
50
19
40
33
42
64

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
24
18
7
17
10
4
1
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)

13
13
15
16
15
15
14
14
13
11
11
10
9
9
9
8
8
7
7
7
6
7
8
10

Chance of Frost

Temperature (°C)

20
20
20
20
20
20
20
19
18
18
17
17
17
16
16
16
16
16
16
16
16
16
17
17

Feels Like (°C)

18
18
18
18
18
18
18
17
18
17
17
16
16
16
16
16
15
15
15
15
16
15
15
16

Dew Point (°C)

17
17
15
16
16
15
15
15
16
17
17
16
16
16
16
16
16
16
15
15
16
16
15
14

Relative Humidity (%)

82
80
72
74
74
69
72
78
85
93
96
96
96
98
98
96
98
98
96
98
98
96
89
82

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1019
1019
1018
1018
1018
1018
1018
1018

Ozone (du)

264
264
265
265
265
263
260
260
260
259
258
258
258
258
258
258
259
259
259
258
258
258
260
261

Friday 19

Waning Crescent 6%

05:08

18:35

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
10 Bad

Sun - Rise: 06:54, Set: 19:14, Transit: 13:04. Moon - Rise: 05:08, Set: 18:35. Civil Dark: 19:48 - 06:21. Nautical Dark: 20:27 - 05:42. Astro Dark: 21:08 - 05:01

Total Clouds (% Sky Obscured)

98
83
85
96
72
74
75
98
85
98
98
100
100
91
69
95
95
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

60
59
63
58
72
61
75
59
69
52
54
58
59
59
62
66
68
83
60
74
67
79
88
85

Medium Clouds (% Sky Obscured)

16
3
3
3
0
0
0
8
0
0
0
0
6
3
3
0
3
44
90
53
36
72
63
55

High Clouds (% Sky Obscured)

93
64
62
87
46
38
18
88
65
86
84
86
93
77
45
85
87
91
97
96
89
78
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
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
3
0
2
0
0
0
0
0
0
2
1
6

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

Chance of Frost

Temperature (°C)

18
19
19
19
19
19
18
18
17
16
15
15
15
15
14
14
14
14
15
15
15
15
16
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
64
57
52
52
53
59
67
78
86
87
89
90
93
92
92
92
92
92
92
92
92
87
83

Pressure (mb)

1018
1017
1017
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1013
1013
1012
1012
1011
1011
1011
1010
1010

Ozone (du)

262
261
264
266
266
267
266
267
268
268
268
268
269
270
269
269
269
268
267
267
267
267
266
266

Saturday 20

Waning Crescent 2%

06:23

18:47

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

Sun - Rise: 06:56, Set: 19:12, Transit: 13:03. Moon - Rise: 06:23, Set: 18:47. Civil Dark: 19:45 - 06:23. Nautical Dark: 20:24 - 05:44. Astro Dark: 21:05 - 05:03

Total Clouds (% Sky Obscured)

100
100
100
100
96
90
90
69
21
48
72
76
67
82
77
72
93
88
70
64
69
82
76
76

Low Clouds (% Sky Obscured)

83
64
75
79
78
62
78
60
21
41
66
71
66
69
76
71
87
81
60
64
69
68
62
60

Medium Clouds (% Sky Obscured)

63
79
98
100
75
79
60
2
0
0
0
0
0
14
0
0
11
23
18
29
28
26
22
19

High Clouds (% Sky Obscured)

89
100
96
86
0
0
15
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

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

Precipitation Probability (%)

42
95
92
34
37
62
41
4
0
2
5
11
20
8
14
17
23
21
23
5
7
7
9
8

Precipitation Amount (mm)

0.2
1.4
0.8
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
13
13
15
16
16
17
19
18
19
17
17
18
16
16
14
16
15
14
13
13
14
15
16

Chance of Frost

Temperature (°C)

17
17
17
17
17
17
16
14
14
13
13
12
12
11
12
11
12
12
12
11
11
11
11
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
66
60
56
62
71
73
80
74
79
79
81
73
76
70
76
71
72
71
73
76
76
75
73

Pressure (mb)

1010
1009
1008
1007
1006
1005
1004
1005
1005
1005
1005
1005
1006
1006
1006
1006
1006
1006
1006
1007
1008
1009
1009
1010

Ozone (du)

266
266
268
269
270
270
274
281
283
285
286
287
289
292
294
297
299
299
300
304
307
309
308
308

Sunday 21

New Moon 0%

07:35

18:57

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
10 Bad

Sun - Rise: 06:57, Set: 19:10, Transit: 13:03. Moon - Rise: 07:35, Set: 18:57. Civil Dark: 19:43 - 06:25. Nautical Dark: 20:22 - 05:45. Astro Dark: 21:03 - 05:05

Total Clouds (% Sky Obscured)

72
61
75
78
92
95
96
97
96
96
96
90
83
76
75
71
70
67
62
60
56
56
53
55

Low Clouds (% Sky Obscured)

60
56
62
64
68
67
64
64
52
44
33
33
29
25
33
33
39
41
43
45
45
48
48
51

Medium Clouds (% Sky Obscured)

20
18
33
41
50
53
84
88
59
75
58
54
38
27
16
33
4
2
15
60
54
12
53
55

High Clouds (% Sky Obscured)

0
0
0
0
0
20
6
19
20
15
20
14
1
2
2
2
2
20
32
2
20
25
30
40

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
9
9
7
4
8
9
6
9
6

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

Precipitation Probability (%)

16
2
6
12
11
26
33
24
21
12
9
14
25
25
29
28
36
51
58
43
41
37
40
63

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
8
8
8
9
8
8
9
10
7
7
7
7
7
7
7
6
5
4
3
2
3
5
5

Dew Point (°C)

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

Relative Humidity (%)

67
58
52
56
57
63
74
87
87
88
84
83
84
87
95
93
93
93
93
93
95
95
93
95

Pressure (mb)

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

Ozone (du)

310
312
313
314
314
312
311
311
311
312
312
314
314
315
316
316
316
313
313
313
314
315
315
315

Monday 22

Waxing Crescent 1%

08:47

19:07

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

Sun - Rise: 06:59, Set: 19:08, Transit: 13:03. Moon - Rise: 08:47, Set: 19:07. Civil Dark: 19:41 - 06:26. Nautical Dark: 20:20 - 05:47. Astro Dark: 21:00 - 05:07

Total Clouds (% Sky Obscured)

60
64
60
58
54
33
36
20
17
28
31
23
15
12
14
17
19
21
24
25
43
60
78
76

Low Clouds (% Sky Obscured)

58
64
60
56
52
32
24
10
12
20
23
19
14
9
13
17
19
18
14
11
7
4
0
24

Medium Clouds (% Sky Obscured)

54
4
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
3
6
4
8
8
11
9

High Clouds (% Sky Obscured)

3
2
2
2
0
0
0
0
0
0
0
1
2
3
3
3
4
5
5
6
16
38
78
66

ISS Passover

Visibility (miles)

4
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 (%)

34
26
30
15
8
5
3
0
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)

16
17
17
17
17
16
15
13
12
11
11
10
9
8
7
6
5
5
5
5
5
6
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
92
89
84
79
70
69
69
66
65
66
66
66
72
77
79
82
85
83
82
80
75
69
65

Pressure (mb)

1019
1020
1020
1020
1020
1020
1021
1021
1021
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024

Ozone (du)

315
317
315
314
313
312
311
310
310
310
310
309
307
306
305
304
303
302
302
301
300
301
301
301

Tuesday 23

Waxing Crescent 3%

10:00

19:18

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
10 Bad

Sun - Rise: 07:01, Set: 19:05, Transit: 13:02. Moon - Rise: 10:00, Set: 19:18. Civil Dark: 19:38 - 06:28. Nautical Dark: 20:17 - 05:49. Astro Dark: 20:58 - 05:08

Total Clouds (% Sky Obscured)

74
72
78
76
78
82
82
72
63
74
85
80
76
74
59
45
38
64
78
82
90
90
89
94

Low Clouds (% Sky Obscured)

46
65
51
35
25
21
19
16
41
66
85
80
76
74
59
45
38
64
72
73
72
76
79
84

Medium Clouds (% Sky Obscured)

16
23
23
23
22
24
25
25
23
22
23
31
39
43
47
45
38
36
31
30
29
23
22
21

High Clouds (% Sky Obscured)

37
8
35
63
78
82
82
72
63
74
71
79
76
74
59
45
38
64
78
81
54
26
1
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

2
3
4
4
2
10
12
8
18
22
24
27
29
28
47
59
66
62
60
60
54
49
46
38

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
57
54
54
54
54
60
66
73
72
71
69
71
72
73
76
78
81
81
82
82
74
67
60

Pressure (mb)

1024
1024
1024
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025

Ozone (du)

300
300
300
300
300
300
300
300
300
300
301
301
300
300
299
299
299
299
299
300
300
300
299
299

Wednesday 24

Waxing Crescent 7%

No Rise

19:31

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

Sun - Rise: 07:02, Set: 19:03, Transit: 13:02. Moon - Rise: No Rise, Set: 19:31. Civil Dark: 19:36 - 06:29. Nautical Dark: 20:15 - 05:50. Astro Dark: 20:55 - 05:10

Total Clouds (% Sky Obscured)

95
95
91
91
96
95
95
90
90
86
81
76
71
61
53
58
59
65
67
71

Low Clouds (% Sky Obscured)

89
85
79
72
71
67
67
63
58
49
45
46
48
45
51
58
59
65
67
68

Medium Clouds (% Sky Obscured)

20
16
16
16
17
17
23
24
24
34
40
45
50
50
53
58
55
50
40
35

High Clouds (% Sky Obscured)

64
95
91
91
96
80
58
36
44
46
56
51
51
56
53
58
59
65
67
71

ISS Passover

Visibility (miles)

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

Precipitation Type

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 (%)

30
16
24
22
8
18
22
16
23
16
12
25
21
16
29
33
33
44
55
61

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
53
49
50
49
49
55
63
73
74
77
78
81
81
82
81
80
80
80
78

Pressure (mb)

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

Ozone (du)

299
298
298
298
298
298
298
297
296
295
294
293
293
293
293
293
294
294
294
294

Forecast for Wells, Somerset, United Kingdom (51.21,-2.64)

Generated: 18/09/25 11:23:25. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+1.00