Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 6%

03:48

18:21

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
11 Bad
12 Bad

Sun - Rise: 06:52, Set: 19:16, Transit: 13:03. Moon - Rise: 03:48, Set: 18:21. Civil Dark: 19:49 - 06:19. Nautical Dark: 20:29 - 05:39. Astro Dark: 21:11 - 04:57

Total Clouds (% Sky Obscured)

94
89
98
100
96
92
87
83
82
99
100
100
100
96
83
87
78
85
70
76
100
100
100
100

Low Clouds (% Sky Obscured)

57
64
83
76
59
62
59
47
35
45
51
45
50
53
47
35
55
67
62
68
68
65
68
61

Medium Clouds (% Sky Obscured)

19
3
0
0
0
53
46
31
2
0
14
18
13
9
14
8
6
6
3
9
7
47
10
3

High Clouds (% Sky Obscured)

50
67
83
86
93
57
64
57
67
99
100
100
100
90
83
87
78
74
70
76
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
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
7
15
18
10
1
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)

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

Chance of Frost

Temperature (°C)

20
21
20
21
21
20
19
18
18
17
17
17
16
16
16
16
15
15
15
16
17
18
19
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
70
75
70
69
74
81
86
92
92
92
90
93
92
93
93
93
95
93
90
83
75
69
62

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1020
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1018
1017

Ozone (du)

263
265
265
264
261
260
261
260
259
259
259
260
260
260
260
262
262
260
259
259
260
261
261
261

Friday 19

Waning Crescent 2%

05:07

18:35

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
11 Bad
12 Bad

Sun - Rise: 06:53, Set: 19:14, Transit: 13:03. Moon - Rise: 05:07, Set: 18:35. Civil Dark: 19:47 - 06:20. Nautical Dark: 20:27 - 05:41. Astro Dark: 21:08 - 04:59

Total Clouds (% Sky Obscured)

100
100
93
94
88
100
100
100
100
100
100
97
95
100
100
100
98
100
100
99
100
100
100
100

Low Clouds (% Sky Obscured)

62
68
65
58
66
43
46
36
31
31
38
42
38
42
49
56
57
59
68
71
81
76
87
63

Medium Clouds (% Sky Obscured)

4
3
0
2
0
12
0
0
0
0
0
4
2
0
25
30
69
44
43
84
79
57
58
57

High Clouds (% Sky Obscured)

96
89
77
82
66
97
100
86
90
91
95
93
89
100
100
100
93
100
91
83
100
99
80
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
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
4
0
4
1
0
0
0
0
0
2
1
3
20
71

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
0.4

Wind Speed/Direction (mph)

11
12
13
12
9
8
6
5
4
4
3
3
3
2
2
3
3
4
3
3
5
7
9
9

Chance of Frost

Temperature (°C)

21
22
22
21
20
20
18
17
16
16
15
15
15
15
14
14
14
14
14
15
16
17
18
19

Feels Like (°C)

19
20
20
20
20
18
17
16
18
18
17
17
15
15
15
14
14
14
14
15
16
17
17
17

Dew Point (°C)

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

Relative Humidity (%)

54
47
45
47
53
60
70
77
83
86
89
89
90
92
92
93
93
92
92
86
77
74
69
63

Pressure (mb)

1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1013
1013
1012
1012
1011
1011
1010
1010
1010
1009
1009

Ozone (du)

262
265
266
267
266
266
266
266
266
266
267
268
269
269
269
268
266
265
265
265
265
265
264
264

Saturday 20

Waning Crescent 0%

06:22

18:46

13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 OK
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

Sun - Rise: 06:55, Set: 19:11, Transit: 13:02. Moon - Rise: 06:22, Set: 18:46. Civil Dark: 19:45 - 06:22. Nautical Dark: 20:24 - 05:42. Astro Dark: 21:06 - 05:01

Total Clouds (% Sky Obscured)

100
96
93
84
47
65
21
31
74
46
72
81
76
60
76
85
88
60
74
85
80
83
90
83

Low Clouds (% Sky Obscured)

61
85
83
63
47
58
21
31
59
46
63
71
62
60
70
70
74
60
70
71
65
75
87
83

Medium Clouds (% Sky Obscured)

63
65
93
84
0
0
0
0
0
0
0
18
12
2
3
22
34
34
24
22
20
20
24
24

High Clouds (% Sky Obscured)

100
76
1
0
0
0
0
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
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
32
30
58
47
16
1
0
3
18
21
7
10
6
9
21
20
5
8
9
7
18
8
4

Precipitation Amount (mm)

0.7
0
0
0.2
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
11
13
13
12
15
16
16
17
17
17
18
17
17
16
16
16
14
14
15
14
15
16
16

Chance of Frost

Temperature (°C)

19
19
19
18
18
17
15
14
14
14
13
13
12
13
13
13
13
12
11
11
12
12
13
14

Feels Like (°C)

17
16
16
15
15
16
11
12
11
9
9
7
7
7
9
8
7
7
7
6
7
8
9
9

Dew Point (°C)

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

Relative Humidity (%)

55
50
47
60
67
73
72
71
80
78
82
72
71
71
77
71
72
71
73
73
73
71
66
58

Pressure (mb)

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

Ozone (du)

265
267
267
268
272
277
282
282
284
286
287
290
293
296
299
299
300
303
305
309
309
308
309
312

Sunday 21

New Moon 0%

07:35

18:56

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
11 Bad
12 Bad

Sun - Rise: 06:57, Set: 19:09, Transit: 13:02. Moon - Rise: 07:35, Set: 18:56. Civil Dark: 19:42 - 06:23. Nautical Dark: 20:22 - 05:44. Astro Dark: 21:03 - 05:03

Total Clouds (% Sky Obscured)

88
98
97
96
96
96
95
93
91
86
77
74
68
59
57
59
62
70
58
51
50
45
43
44

Low Clouds (% Sky Obscured)

88
92
88
76
64
52
36
24
14
12
6
5
2
3
5
10
16
21
27
28
30
29
32
34

Medium Clouds (% Sky Obscured)

34
36
41
53
85
87
72
57
63
46
37
30
19
15
33
39
51
66
57
51
50
45
12
3

High Clouds (% Sky Obscured)

0
0
0
0
1
2
5
0
5
0
0
0
2
5
6
45
2
5
30
10
15
17
2
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
3
4
6
3
4
8
3
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
Very Light Rain
Light Rain
None
Light Rain
Light Rain
None
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

5
19
21
31
39
58
41
21
10
22
28
24
30
43
54
59
51
64
59
43
58
52
25
24

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
7
7
7
9
10
11
10
9
10
9
9
9
9
9
9
9
8
9
9
10
10
10

Relative Humidity (%)

49
52
59
59
64
77
89
92
91
90
91
91
95
91
93
93
95
95
95
95
93
96
93
90

Pressure (mb)

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

Ozone (du)

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

Monday 22

Waxing Crescent 1%

08:47

19:06

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

Sun - Rise: 06:58, Set: 19:07, Transit: 13:02. Moon - Rise: 08:47, Set: 19:06. Civil Dark: 19:40 - 06:25. Nautical Dark: 20:20 - 05:46. Astro Dark: 21:01 - 05:05

Total Clouds (% Sky Obscured)

43
46
51
39
31
40
45
50
55
27
15
14
18
22
27
18
11
4
30
51
69
67
61
63

Low Clouds (% Sky Obscured)

37
39
42
28
14
5
13
20
28
22
15
14
18
22
26
18
9
0
12
24
36
29
25
22

Medium Clouds (% Sky Obscured)

3
2
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
3
8
10
13
10
17
18

High Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
1
2
3
4
7
13
11
4
20
34
60
47
32
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 (%)

22
11
5
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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
16
15
14
13
11
10
10
10
9
7
6
5
5
5
5
4
4
4
5
6
7
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
80
71
69
69
68
65
67
66
65
70
74
77
77
77
77
77
76
75
71
68
65
62
58

Pressure (mb)

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

Ozone (du)

313
312
311
311
310
309
309
309
309
308
307
305
304
303
303
302
301
301
300
300
300
300
300
299

Tuesday 23

Waxing Crescent 3%

10:00

19:17

13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
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

Sun - Rise: 07:00, Set: 19:05, Transit: 13:01. Moon - Rise: 10:00, Set: 19:17. Civil Dark: 19:38 - 06:27. Nautical Dark: 20:17 - 05:47. Astro Dark: 20:58 - 05:07

Total Clouds (% Sky Obscured)

65
68
74
61
48
39
59
78
100
91
80
70
49
28
11
11
30
48
57
65
63
73
88
91

Low Clouds (% Sky Obscured)

27
30
30
28
31
36
54
73
92
88
80
70
49
28
11
11
30
48
57
58
63
73
87
90

Medium Clouds (% Sky Obscured)

28
34
35
30
20
15
15
16
21
26
32
29
28
26
11
11
20
20
23
22
20
19
22
21

High Clouds (% Sky Obscured)

27
54
74
61
48
39
59
78
95
91
80
70
49
28
11
11
30
48
54
27
1
30
67
91

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

Precipitation Probability (%)

4
4
2
13
16
14
21
24
27
35
39
39
55
66
75
69
63
59
54
49
43
36
28
11

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

54
54
54
54
58
64
68
67
65
63
66
68
71
72
74
77
77
78
80
73
66
60
55
51

Pressure (mb)

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

Ozone (du)

299
299
298
298
299
299
300
300
300
300
300
300
299
299
299
299
299
299
299
299
298
298
298
298

Wednesday 24

Waxing Crescent 7%

11:14

19:29

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: 19:02, Transit: 13:01. Moon - Rise: 11:14, Set: 19:29. Civil Dark: 19:35 - 06:28. Nautical Dark: 20:15 - 05:49. Astro Dark: 20:55 - 05:09

Total Clouds (% Sky Obscured)

91
91
91
96
96
96
96
91
90
85
80
70
71
72
73
76
78
74

Low Clouds (% Sky Obscured)

86
81
77
75
73
71
65
58
63
56
50
52
61
71
73
76
78
74

Medium Clouds (% Sky Obscured)

24
27
20
20
19
19
19
20
30
40
40
40
45
45
55
60
45
25

High Clouds (% Sky Obscured)

91
91
91
96
95
86
86
81
71
62
59
56
71
72
73
76
78
74

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

17
17
9
18
20
16
24
24
24
25
26
21
29
34
35
43
51
57

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

48
48
48
48
53
59
66
67
71
75
75
76
77
77
76
76
76
76

Pressure (mb)

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

Ozone (du)

298
298
298
298
297
297
296
295
294
294
293
292
292
292
293
293
293
293

Forecast for Rangeworthy, South Gloucestershire, United Kingdom (51.58,-2.45)

Generated: 18/09/25 13:59:17. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+1.00