Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 12%

02:39

18:24

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: 06:57, Set: 19:22, Transit: 13:10. Moon - Rise: 02:39, Set: 18:24. Civil Dark: 19:55 - 06:25. Nautical Dark: 20:33 - 05:46. Astro Dark: 21:14 - 05:06

Total Clouds (% Sky Obscured)

77
91
93
95
94
98
91
97
92
92
87
86
85
85
96
85
91
84
91
81
89
85
72
55

Low Clouds (% Sky Obscured)

77
86
80
80
89
95
87
93
85
85
87
84
76
74
80
76
76
69
66
79
76
76
62
52

Medium Clouds (% Sky Obscured)

20
18
33
43
42
51
38
40
28
7
2
3
7
8
30
11
28
20
34
1
12
3
4
4

High Clouds (% Sky Obscured)

0
0
0
0
0
2
2
5
14
58
78
78
18
72
72
4
9
62
86
71
60
69
62
45

ISS Passover

Visibility (miles)

6
9
9
9
9
9
9
9
9
9
9
9
6
7
6
6
6
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
7
7
8
1
5
1
0
1
4
13
5
1
7
0
0
0
3
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)

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

Chance of Frost

Temperature (°C)

17
17
17
16
16
16
16
16
16
16
17
17
17
17
18
18
17
17
17
16
16
16
16
16

Feels Like (°C)

15
15
15
14
14
14
14
14
14
14
15
14
14
14
15
15
15
15
15
14
15
15
14
15

Dew Point (°C)

17
17
16
16
16
16
16
16
16
16
16
16
16
17
17
17
16
17
16
16
16
15
16
16

Relative Humidity (%)

98
100
98
98
100
98
98
98
96
96
96
92
95
95
95
95
95
96
96
96
96
98
98
100

Pressure (mb)

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

Ozone (du)

267
267
267
267
267
267
265
265
265
263
263
263
262
262
261
260
260
260
260
260
260
261
261
260

Friday 19

Waning Crescent 6%

03:59

18:39

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: 06:59, Set: 19:20, Transit: 13:09. Moon - Rise: 03:59, Set: 18:39. Civil Dark: 19:52 - 06:26. Nautical Dark: 20:31 - 05:48. Astro Dark: 21:11 - 05:08

Total Clouds (% Sky Obscured)

64
86
84
75
79
74
72
81
87
92
91
96
100
97
97
98
96
95
91
99
100
100
91
100

Low Clouds (% Sky Obscured)

61
77
72
68
70
74
72
81
86
92
91
91
86
82
84
84
83
77
71
65
49
43
21
43

Medium Clouds (% Sky Obscured)

2
2
2
2
1
2
2
2
1
1
7
21
40
12
3
2
2
0
0
0
3
11
29
21

High Clouds (% Sky Obscured)

50
42
40
11
6
3
22
29
35
50
55
85
100
50
72
73
43
36
37
93
100
100
63
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
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
19

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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
96
98
96
96
98
98
96
95
93
89
82
78
72
71
69
69
72
78
89
90
92
92
93

Pressure (mb)

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

Ozone (du)

259
260
261
262
262
262
263
264
264
265
265
264
264
264
266
266
267
269
271
272
272
272
274
274

Saturday 20

Waning Crescent 2%

05:16

18:52

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: 07:00, Set: 19:18, Transit: 13:09. Moon - Rise: 05:16, Set: 18:52. Civil Dark: 19:50 - 06:28. Nautical Dark: 20:29 - 05:49. Astro Dark: 21:09 - 05:09

Total Clouds (% Sky Obscured)

100
86
87
82
100
100
99
98
93
100
100
100
92
89
86
81
82
96
91
90
68
56
50
47

Low Clouds (% Sky Obscured)

52
74
75
64
65
53
59
65
65
69
67
68
76
70
85
77
79
90
85
76
62
49
47
45

Medium Clouds (% Sky Obscured)

0
0
0
0
0
11
37
18
18
63
76
76
82
40
27
45
29
51
33
27
24
24
19
9

High Clouds (% Sky Obscured)

100
61
74
61
100
100
97
91
62
100
100
100
61
74
3
33
2
29
13
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
8

Fog (%)

33
47
64
69
58
45
45
46
2
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
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
13
56
95
95
53
24
12
23
13
20
6
20
12
21
29
37

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
1.9
2.1
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
6
6
6
5
4
4
5
7
8
9
11
13
15
14
14
16
17
18
18
17
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
14
14
14
14
14
14
14
14
15
14
14
15
15
16
15
15
14
12
11
10
10
9
8

Dew Point (°C)

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

Relative Humidity (%)

95
96
95
96
96
96
96
98
98
93
87
83
79
77
76
85
90
86
87
95
98
93
96
95

Pressure (mb)

1014
1014
1013
1013
1012
1011
1011
1010
1010
1010
1010
1010
1009
1009
1008
1008
1007
1007
1007
1008
1008
1009
1009
1008

Ozone (du)

274
272
271
271
272
272
273
274
274
274
273
273
274
274
274
272
273
275
279
284
287
288
288
289

Sunday 21

New Moon 0%

06:29

19:03

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 OK
20 Bad
21 OK
22 Bad
23 Bad

Sun - Rise: 07:02, Set: 19:15, Transit: 13:09. Moon - Rise: 06:29, Set: 19:03. Civil Dark: 19:48 - 06:29. Nautical Dark: 20:26 - 05:51. Astro Dark: 21:06 - 05:11

Total Clouds (% Sky Obscured)

37
54
72
72
81
83
92
75
84
90
81
75
92
94
95
80
58
46
38
35
41
38
37
45

Low Clouds (% Sky Obscured)

37
51
57
59
59
54
53
57
70
82
69
59
61
56
53
36
21
19
24
25
39
30
30
25

Medium Clouds (% Sky Obscured)

0
0
0
0
17
34
47
49
52
50
48
46
40
40
33
33
23
16
10
7
4
2
4
45

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
3
4
5
5
23

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
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

24
23
24
25
22
21
11
17
28
23
31
41
47
44
36
22
20
16
10
3
12
11
20
27

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
98
95
91
95
91
88
91
93
88
84
75
73
71
72
70
70
73
77
77
77
82
88
91

Pressure (mb)

1008
1008
1009
1009
1010
1010
1010
1011
1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

290
291
291
294
297
300
302
305
307
307
310
310
311
311
311
311
312
313
316
319
319
320
320
318

Monday 22

Waxing Crescent 1%

07:41

19:14

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 OK
19 Bad
20 OK
21 OK
22 OK
23 OK

Sun - Rise: 07:03, Set: 19:13, Transit: 13:08. Moon - Rise: 07:41, Set: 19:14. Civil Dark: 19:46 - 06:31. Nautical Dark: 20:24 - 05:53. Astro Dark: 21:04 - 05:13

Total Clouds (% Sky Obscured)

43
33
41
45
40
45
45
40
50
50
51
44
66
63
66
66
48
36
26
24
17
11
15
18

Low Clouds (% Sky Obscured)

20
15
15
18
25
25
30
30
30
24
17
14
24
27
30
33
22
11
4
3
4
2
7
13

Medium Clouds (% Sky Obscured)

43
33
41
40
40
40
40
40
40
29
36
21
30
33
34
33
26
18
10
6
4
2
1
0

High Clouds (% Sky Obscured)

39
33
41
40
30
25
15
10
10
9
5
6
20
28
25
38
34
16
3
2
1
1
2
3

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

39
42
40
44
55
70
70
63
49
28
15
21
25
32
30
26
27
26
25
28
25
9
11
8

Precipitation Amount (mm)

0
0
0
0
0.2
0.4
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
93
93
91
91
91
90
87
87
85
84
83
86
83
79
74
70
76
81
90
88
90
88
87

Pressure (mb)

1014
1015
1015
1015
1015
1015
1016
1016
1017
1018
1018
1019
1019
1019
1019
1019
1019
1020
1020
1020
1021
1021
1021
1021

Ozone (du)

317
316
317
316
316
314
314
314
316
318
318
318
319
319
319
319
319
317
316
315
315
315
315
314

Tuesday 23

Waxing Crescent 3%

08:52

19:26

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

Sun - Rise: 07:05, Set: 19:11, Transit: 13:08. Moon - Rise: 08:52, Set: 19:26. Civil Dark: 19:43 - 06:33. Nautical Dark: 20:22 - 05:54. Astro Dark: 21:01 - 05:15

Total Clouds (% Sky Obscured)

22
27
32
34
23
15
7
13
22
30
25
23
21
32
45
58
63
64
65
64
62
60
56
51

Low Clouds (% Sky Obscured)

19
14
10
6
5
4
2
13
22
30
25
23
21
29
35
46
50
53
54
53
53
52
47
42

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
9
16
24
18
15
8
3
2
2
2
2

High Clouds (% Sky Obscured)

4
7
12
15
9
5
0
0
0
0
0
0
0
0
0
0
4
8
14
12
10
4
1
1

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 (%)

1
2
2
1
2
2
1
4
2
1
2
2
0
4
6
7
22
28
30
32
33
29
24
18

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
4
4
5
4
5
4
5
6
6
7
7
7
12
12
12
11
12
12
8
8
8
9

Dew Point (°C)

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

Relative Humidity (%)

85
85
85
85
88
87
87
87
78
70
64
58
54
49
54
60
65
74
83
93
91
93
93
88

Pressure (mb)

1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1022
1022
1022
1022

Ozone (du)

312
311
311
311
310
310
310
310
311
311
311
311
311
311
311
310
310
309
308
307
307
306
305
305

Wednesday 24

Waxing Crescent 7%

10:03

19:40

Sun - Rise: 07:06, Set: 19:09, Transit: 13:08. Moon - Rise: 10:03, Set: 19:40. Civil Dark: 19:41 - 06:34. Nautical Dark: 20:19 - 05:56. Astro Dark: 20:59 - 05:17

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 Wembury, Devon, United Kingdom (50.33,-4.09)

Generated: 18/09/25 00:18:11. Forecast: 18/09/25 to 24/09/25. Timezone: UTC+1.00