Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 16

Waning Crescent 30%

No Rise

17:35

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

Sun - Rise: 06:47, Set: 19:20, Transit: 13:04. Moon - Rise: No Rise, Set: 17:35. Civil Dark: 19:54 - 06:14. Nautical Dark: 20:34 - 05:34. Astro Dark: 21:16 - 04:52

Total Clouds (% Sky Obscured)

46
51
60
58
58
53
55
100
100
100
100
100
100
100
98
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

46
51
60
58
58
53
55
59
55
51
54
59
50
32
35
9
51
51
38
28
36
52
53
81

Medium Clouds (% Sky Obscured)

0
32
0
25
0
0
0
0
0
51
51
95
61
57
54
58
48
94
97
89
74
100
100
97

High Clouds (% Sky Obscured)

0
0
4
1
58
7
11
50
90
100
100
100
100
94
92
100
100
100
94
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
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
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

56
72
45
12
17
14
5
1
6
13
14
2
16
5
6
5
13
7
1
15
30
54
84
77

Precipitation Amount (mm)

0.7
1.2
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.4

Wind Speed/Direction (mph)

17
16
16
15
16
14
13
11
11
13
15
15
16
16
16
15
14
12
10
8
6
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
84
84
83
79
80
81
80
73
71
69
66
61
60
61
61
63
69
73
76
83
89
87
87

Pressure (mb)

1014
1014
1015
1015
1015
1016
1016
1017
1018
1019
1019
1019
1019
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

305
306
305
305
304
304
302
298
294
292
289
288
284
280
277
275
272
269
267
263
262
261
260
259

Wednesday 17

Waning Crescent 20%

01:04

18:02

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

Sun - Rise: 06:48, Set: 19:18, Transit: 13:03. Moon - Rise: 01:04, Set: 18:02. Civil Dark: 19:51 - 06:15. Nautical Dark: 20:31 - 05:35. Astro Dark: 21:13 - 04:54

Total Clouds (% Sky Obscured)

100
100
100
98
99
97
94
100
95
100
97
90
52
71
62
75
100
66
62
71
95
94
75
81

Low Clouds (% Sky Obscured)

81
87
100
90
88
88
78
100
93
100
95
82
52
71
62
59
63
62
55
50
56
56
52
52

Medium Clouds (% Sky Obscured)

99
100
100
97
98
92
87
99
87
37
24
48
52
3
3
10
5
5
6
0
26
24
20
35

High Clouds (% Sky Obscured)

100
100
72
53
0
0
1
0
0
0
0
0
0
0
0
28
85
0
0
31
74
71
21
7

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
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
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

71
95
95
55
46
46
55
62
8
12
22
23
17
9
3
6
11
11
11
6
6
6
3
4

Precipitation Amount (mm)

0.3
1.4
1.7
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
10
11
13
17
18
20
21
21
21
20
18
18
18
18
18
17
16
15
14
14
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
11
12
11
11
10
10
11
11
12
13
15
17
17
17
16
15
14
14
13
12
12
11

Dew Point (°C)

12
12
13
14
14
14
14
14
15
15
15
16
17
18
18
17
16
16
15
14
14
14
13
13

Relative Humidity (%)

92
93
96
98
96
93
93
95
95
95
95
95
95
92
92
89
89
90
92
90
90
93
93
92

Pressure (mb)

1018
1018
1016
1015
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1015
1015
1015
1016
1016
1016

Ozone (du)

257
256
255
255
256
256
256
256
258
257
258
260
262
266
266
265
263
261
260
260
261
261
262
260

Thursday 18

Waning Crescent 12%

02:27

18:20

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

Sun - Rise: 06:50, Set: 19:16, Transit: 13:03. Moon - Rise: 02:27, Set: 18:20. Civil Dark: 19:49 - 06:17. Nautical Dark: 20:29 - 05:37. Astro Dark: 21:10 - 04:56

Total Clouds (% Sky Obscured)

70
85
88
100
96
85
89
80
71
78
54
61
62
70
59
71
98
95
92
94
97
99
86
92

Low Clouds (% Sky Obscured)

49
50
53
59
65
76
85
77
65
78
54
61
62
66
54
53
45
41
38
42
49
53
58
59

Medium Clouds (% Sky Obscured)

18
26
33
21
13
10
1
1
0
0
0
0
0
0
1
4
15
23
31
38
38
46
44
44

High Clouds (% Sky Obscured)

0
6
5
100
75
2
0
0
0
0
0
0
0
1
1
22
98
77
72
79
86
93
66
69

ISS Passover

Visibility (miles)

9
9
8
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 (%)

4
1
0
0
1
1
1
0
0
0
2
0
0
0
0
0
0
1
2
2
2
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)

14
14
13
14
14
11
11
10
12
15
18
18
18
19
18
17
17
15
14
12
10
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
12
11
11
10
11
12
12
13
14
16
17
17
18
19
19
18
18
17
16
15
15
14
15

Dew Point (°C)

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

Relative Humidity (%)

92
93
96
90
84
87
93
93
87
85
81
77
74
68
64
63
65
69
75
83
93
96
96
96

Pressure (mb)

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

Ozone (du)

258
257
257
257
257
259
259
260
260
259
259
260
262
262
261
262
261
263
264
264
263
263
263
264

Friday 19

Waning Crescent 6%

03:49

18:34

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

Sun - Rise: 06:52, Set: 19:13, Transit: 13:03. Moon - Rise: 03:49, Set: 18:34. Civil Dark: 19:47 - 06:18. Nautical Dark: 20:26 - 05:39. Astro Dark: 21:08 - 04:58

Total Clouds (% Sky Obscured)

86
71
58
48
62
75
51
81
58
46
50
81
63
38
53
90
62
67
84
92
99
100
83
66

Low Clouds (% Sky Obscured)

61
61
57
48
58
56
51
60
57
46
50
44
38
38
45
51
37
24
10
16
20
26
43
51

Medium Clouds (% Sky Obscured)

44
33
17
0
0
0
0
2
3
3
8
26
17
5
5
8
6
3
4
9
28
36
25
40

High Clouds (% Sky Obscured)

57
35
18
4
10
25
15
26
6
2
3
3
5
19
35
67
56
66
84
87
98
100
65
40

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
1
0
0
0
0
0
0
0
1
2
0
1
2
0
0
0
0
0
0
2
22
19

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
98
96
96
95
92
83
77
69
62
55
51
53
58
64
69
79
86
90
92
95

Pressure (mb)

1019
1019
1018
1018
1017
1017
1016
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1015
1014

Ozone (du)

265
264
265
263
263
263
263
262
262
263
262
264
264
265
266
266
266
268
269
270
268
268
269
271

Saturday 20

Waning Crescent 2%

05:07

18:46

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

Sun - Rise: 06:53, Set: 19:11, Transit: 13:02. Moon - Rise: 05:07, Set: 18:46. Civil Dark: 19:44 - 06:20. Nautical Dark: 20:24 - 05:41. Astro Dark: 21:05 - 04:59

Total Clouds (% Sky Obscured)

48
54
60
69
77
89
100
99
98
97
96
95
94
96
94
97
84
71
57
68
76
80
81
87

Low Clouds (% Sky Obscured)

48
51
51
53
60
68
72
70
73
76
75
71
68
61
53
48
50
53
53
55
57
60
53
50

Medium Clouds (% Sky Obscured)

38
2
2
23
16
42
35
52
70
53
86
91
90
88
85
82
53
25
0
0
0
0
4
7

High Clouds (% Sky Obscured)

42
36
44
43
51
73
100
76
53
29
21
28
25
46
68
72
47
26
6
16
35
65
81
87

ISS Passover

Visibility (miles)

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

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 (%)

10
2
0
0
4
5
3
5
5
4
17
31
37
43
33
14
14
16
20
20
17
19
26
25

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
8
6
7
6
6
6
7
7
10
12
14
13
14
14
14
15
12
10
8
5
4
3
3

Chance of Frost

Temperature (°C)

16
15
14
14
13
13
13
13
13
14
15
16
16
16
16
17
17
16
15
14
13
12
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
92
96
95
95
95
95
95
93
87
83
74
71
77
67
60
52
60
71
84
87
92
96
91

Pressure (mb)

1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1014
1014

Ozone (du)

271
271
271
272
273
273
275
276
278
279
281
281
282
284
290
297
304
306
308
310
314
318
321
322

Sunday 21

New Moon 0%

06:21

18:56

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
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 OK

Sun - Rise: 06:55, Set: 19:09, Transit: 13:02. Moon - Rise: 06:21, Set: 18:56. Civil Dark: 19:42 - 06:22. Nautical Dark: 20:21 - 05:42. Astro Dark: 21:02 - 05:01

Total Clouds (% Sky Obscured)

92
90
85
81
87
89
85
71
63
80
91
91
92
87
87
84
78
65
58
54
52
49
45
43

Low Clouds (% Sky Obscured)

50
46
43
38
43
47
52
46
37
30
35
40
46
50
54
61
51
44
37
40
43
46
42
39

Medium Clouds (% Sky Obscured)

9
10
13
15
10
4
0
0
0
0
9
19
26
40
56
72
71
65
58
54
52
49
41
29

High Clouds (% Sky Obscured)

92
90
85
81
85
89
85
63
32
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
9
8
7
8
8
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
Very Light Rain
Very Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

24
20
14
0
5
9
8
26
37
45
52
55
54
54
48
36
37
31
16
16
14
5
6
7

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
84
87
87
90
88
87
85
88
91
93
93
91
92
87
82
78
78
76
75
76
76
77
81

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1018
1018
1019

Ozone (du)

322
322
321
321
320
322
324
326
327
328
330
331
332
333
334
335
335
336
336
336
336
336
336
337

Monday 22

Waxing Crescent 1%

07:34

19:06

Sun - Rise: 06:56, Set: 19:07, Transit: 13:01. Moon - Rise: 07:34, Set: 19:06. Civil Dark: 19:40 - 06:23. Nautical Dark: 20:19 - 05:44. Astro Dark: 21:00 - 05:03

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Twerton, Bath and North East Somerset, United Kingdom (51.36,-2.38)

Generated: 16/09/25 00:42:41. Forecast: 16/09/25 to 22/09/25. Timezone: UTC+1.00