Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 4

Full Moon 100%

15:55

09:08

22 OK
23 OK
00 OK
01 OK
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

Sun - Rise: 07:58, Set: 16:02, Transit: 12:00. Moon - Rise: 15:55, Set: 09:08. Civil Dark: 16:41 - 07:19. Nautical Dark: 17:24 - 06:36. Astro Dark: 18:04 - 05:56

Total Clouds (% Sky Obscured)

16
23
25
21
96
100
100
89
87
77
100
100
100
100
100
99
100
100
100
100
90
63
64
95

Low Clouds (% Sky Obscured)

16
23
24
1
14
10
38
26
8
18
46
53
59
63
73
77
100
89
100
91
61
61
51
53

Medium Clouds (% Sky Obscured)

0
0
0
21
95
100
94
80
62
69
100
100
100
100
90
98
100
100
55
55
35
55
39
60

High Clouds (% Sky Obscured)

0
0
0
0
3
16
100
78
86
53
88
49
36
81
84
61
43
30
0
1
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
2
9
1
2
2
0
1
1
4
14
25
65
95
95
95
95
95
95
83
30
23

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.9
0.6
1.4
1.1
0.7
0.9
0.6
0
0

Wind Speed/Direction (mph)

6
5
4
4
5
5
6
6
6
6
6
7
9
13
18
22
24
27
27
27
23
17
17
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
1
1
-2
-1
-0
1
1
1
1
2
2
2
2
1
0
-1
-1
0
3
5
5
5

Dew Point (°C)

1
1
1
0
0
1
1
2
3
3
3
4
4
4
4
6
6
7
7
7
8
9
8
8

Relative Humidity (%)

89
89
89
89
88
88
88
89
91
91
91
88
83
79
78
84
88
91
93
93
91
88
87
87

Pressure (mb)

1003
1004
1004
1005
1005
1005
1005
1005
1005
1006
1005
1005
1004
1003
1002
1000
998
996
995
993
992
992
991
991

Ozone (du)

366
369
367
356
351
338
334
332
326
321
318
315
312
306
300
297
294
295
298
299
299
300
304
305

Friday 5

Waning Gibbous 98%

17:07

10:16

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

Sun - Rise: 07:59, Set: 16:02, Transit: 12:00. Moon - Rise: 17:07, Set: 10:16. Civil Dark: 16:41 - 07:20. Nautical Dark: 17:23 - 06:37. Astro Dark: 18:04 - 05:57

Total Clouds (% Sky Obscured)

91
100
83
100
100
91
100
100
100
100
100
100
88
79
75
78
65
69
74
71
24
32
41
100

Low Clouds (% Sky Obscured)

56
58
44
74
62
78
87
78
83
77
66
71
68
64
59
66
65
65
63
59
24
32
41
49

Medium Clouds (% Sky Obscured)

90
98
83
100
100
73
64
68
69
95
85
61
75
78
73
72
29
23
23
20
0
0
0
0

High Clouds (% Sky Obscured)

8
0
18
100
99
44
96
91
95
90
90
98
12
9
20
4
1
0
7
7
15
3
0
85

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
5
9
9
9
8
6
5
5
5
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
Light Rain
None
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

38
31
55
43
45
41
13
29
28
41
51
67
45
60
60
54
45
25
7
15
3
2
14
15

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
85
84
85
87
84
85
82
84
88
88
87
84
83
83
84
84
84
85
84
85
85
85
85

Pressure (mb)

991
991
991
991
991
991
991
992
992
993
993
994
995
996
996
997
998
998
999
1000
1001
1001
1002
1003

Ozone (du)

304
303
298
293
297
296
293
292
294
292
288
288
290
290
290
290
291
295
297
298
299
298
298
298

Saturday 6

Waning Gibbous 93%

18:33

11:02

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

Sun - Rise: 08:00, Set: 16:01, Transit: 12:01. Moon - Rise: 18:33, Set: 11:02. Civil Dark: 16:41 - 07:21. Nautical Dark: 17:23 - 06:38. Astro Dark: 18:04 - 05:58

Total Clouds (% Sky Obscured)

100
92
90
51
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
97
89

Low Clouds (% Sky Obscured)

51
51
41
26
38
69
70
82
85
87
91
91
91
92
94
100
86
97
96
90
73
65
58
55

Medium Clouds (% Sky Obscured)

2
6
3
0
40
35
24
45
100
100
100
100
90
94
98
89
72
42
18
40
45
40
45
34

High Clouds (% Sky Obscured)

85
60
62
40
100
100
100
100
100
100
100
100
100
100
58
100
100
25
28
97
100
100
83
75

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
5
4
3
0
0
0
0
0
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
49
49
49
49
49
49
49
49
49
49

Precipitation Type

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

Precipitation Probability (%)

2
3
1
0
0
12
56
87
95
95
95
95
67
30
40
43
14
24
9
3
29
44
55
52

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.5
0.9
0.8
1.3
0.7
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
12
9
8
6
5
5
6
8
10
11
13
13
12
14
16
16
14
19
19
16
16
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
4
5
5
5
5
5
6
7
8
7
8
8
9
10
10
10
11
9
7
7
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

87
90
93
96
94
96
94
96
98
98
96
96
96
98
98
98
98
96
95
90
92
91
93
93

Pressure (mb)

1003
1004
1004
1004
1004
1004
1004
1003
1002
1001
1000
999
998
998
997
997
997
997
998
998
999
1000
1001
1002

Ozone (du)

299
301
300
299
298
296
294
294
292
293
295
296
297
300
300
299
301
303
304
306
306
306
306
305

Sunday 7

Waning Gibbous 86%

20:02

11:32

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

Sun - Rise: 08:01, Set: 16:01, Transit: 12:01. Moon - Rise: 20:02, Set: 11:32. Civil Dark: 16:41 - 07:22. Nautical Dark: 17:23 - 06:39. Astro Dark: 18:04 - 05:59

Total Clouds (% Sky Obscured)

74
67
59
54
53
69
87
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

45
41
38
32
25
36
41
47
50
47
50
46
45
51
56
56
60
59
62
66
66
69
71
71

Medium Clouds (% Sky Obscured)

28
18
15
32
7
52
75
64
78
61
45
60
75
72
62
64
63
62
53
46
39
57
57
71

High Clouds (% Sky Obscured)

40
15
21
22
28
46
76
100
100
100
99
80
62
47
65
82
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 (%)

49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49

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 (%)

38
15
9
4
0
0
1
0
2
3
2
22
29
34
46
53
49
50
43
21
28
32
36
53

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
95
96
96
94
94
91
90
93
93
95
95
96
96
95
92
95
96
98
95
95
95
96
95

Pressure (mb)

1003
1004
1004
1005
1005
1006
1006
1006
1006
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1008
1007
1007
1007
1007

Ozone (du)

303
303
302
302
302
303
306
307
309
312
316
318
318
321
323
321
323
323
326
327
325
323
321
319

Monday 8

Waning Gibbous 77%

21:26

11:53

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

Sun - Rise: 08:02, Set: 16:01, Transit: 12:02. Moon - Rise: 21:26, Set: 11:53. Civil Dark: 16:40 - 07:23. Nautical Dark: 17:23 - 06:40. Astro Dark: 18:04 - 06:00

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
88

Low Clouds (% Sky Obscured)

77
81
85
87
90
90
90
92
91
91
91
93
97
100
100
100
100
100
100
100
98
95
93
81

Medium Clouds (% Sky Obscured)

62
64
58
99
100
100
100
100
100
100
100
100
100
100
100
100
100
96
91
85
75
65
54
54

High Clouds (% Sky Obscured)

100
80
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
97
96
93
93
94
66

ISS Passover

Visibility (miles)

9
9
9
9
9
7
1
0
2
3
5
3
7
8
3
5
7
8
9
9
9
9
9
9

Fog (%)

49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49

Precipitation Type

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

Precipitation Probability (%)

70
84
95
95
95
95
95
95
95
95
95
95
95
95
95
95
83
68
50
29
29
23
18
23

Precipitation Amount (mm)

0.3
0.4
0.8
1.2
1.6
1.5
1.7
2
1.7
1.5
1.8
1.1
0.9
0.5
1
0.7
0.4
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
10
10
11
13
14
14
14
16
22
25
26
26
26
26
26
27
27
27
27
27
25
25
24

Chance of Frost

Temperature (°C)

11
11
11
11
12
12
12
12
12
12
12
12
12
12
12
13
13
13
13
13
13
13
12
12

Feels Like (°C)

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

Dew Point (°C)

10
10
10
11
11
11
12
12
12
12
11
11
11
11
12
12
12
12
12
11
11
11
11
10

Relative Humidity (%)

95
96
96
95
96
96
98
98
96
95
93
95
93
95
95
95
93
92
90
89
86
87
89
90

Pressure (mb)

1007
1006
1006
1005
1004
1004
1002
1001
1000
999
998
998
997
997
996
995
995
994
994
994
993
994
995
996

Ozone (du)

318
315
311
307
303
300
300
298
295
295
293
293
289
288
288
289
289
289
288
288
288
287
287
286

Tuesday 9

Waning Gibbous 67%

No Rise

12:08

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

Sun - Rise: 08:03, Set: 16:01, Transit: 12:02. Moon - Rise: No Rise, Set: 12:08. Civil Dark: 16:40 - 07:24. Nautical Dark: 17:23 - 06:41. Astro Dark: 18:04 - 06:01

Total Clouds (% Sky Obscured)

76
64
65
70
72
66
62
66
74
79
91
96
96
96
72
53
44
46
54
56
53
47
45
43

Low Clouds (% Sky Obscured)

71
62
64
70
72
66
62
58
62
65
70
67
64
61
54
47
38
45
49
54
48
42
37
37

Medium Clouds (% Sky Obscured)

54
50
45
41
41
48
59
66
74
72
75
62
55
44
36
31
27
18
9
0
0
0
0
1

High Clouds (% Sky Obscured)

33
0
2
3
6
9
8
10
5
4
4
4
5
5
3
2
0
0
0
0
0
0
0
2

ISS Passover

Visibility (miles)

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

Fog (%)

49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49

Precipitation Type

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

Precipitation Probability (%)

17
11
12
13
13
13
18
22
43
62
76
78
72
58
39
32
41
34
18
10
15
8
0
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

22
20
18
17
16
15
14
13
12
12
13
14
15
17
18
17
17
17
16
14
14
12
11
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
90
91
90
90
88
91
93
95
95
95
93
90
85
83
84
82
84
85
85
87
88
91
93

Pressure (mb)

998
999
1000
1001
1002
1003
1003
1004
1004
1004
1005
1005
1006
1006
1006
1007
1007
1008
1009
1010
1011
1012
1013
1013

Ozone (du)

287
288
289
290
291
291
293
295
297
299
302
304
312
320
328
327
325
324
320
316
312
310
309
307

Wednesday 10

Waning Gibbous 57%

22:46

12:21

22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
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

Sun - Rise: 08:04, Set: 16:01, Transit: 12:03. Moon - Rise: 22:46, Set: 12:21. Civil Dark: 16:40 - 07:25. Nautical Dark: 17:23 - 06:42. Astro Dark: 18:04 - 06:01

Total Clouds (% Sky Obscured)

38
34
32
29
24
36
51
65
66
70
73
77
84
87
88
87
86
87
91
94

Low Clouds (% Sky Obscured)

32
27
22
17
12
23
33
37
43
51
62
64
67
70
66
66
70
64
59
52

Medium Clouds (% Sky Obscured)

3
4
4
3
3
3
4
4
4
4
4
9
13
16
17
15
16
40
66
91

High Clouds (% Sky Obscured)

5
3
0
0
0
4
11
19
39
50
55
56
49
47
31
16
15
15
20
25

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 (%)

49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49
49

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
0
1
1
0
1
1
1
2
5
8
9
9
10
10
8
10
9
9
4

Precipitation Amount (mm)

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
8
9
9
9
9
9
9
9
9
10
12
15
17
17
17
18
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
96
96
96
96
96
94
95
93
91
90
90
88
88
90
88
90
91
91

Pressure (mb)

1014
1014
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1013
1013
1012
1012
1011
1010
1010

Ozone (du)

306
304
303
301
300
299
299
298
298
298
299
299
300
302
303
303
304
304
303
303

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

Generated: 04/12/25 22:48:13. Forecast: 04/12/25 to 10/12/25. Timezone: UTC+0.00