Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 4

Full Moon 100%

16:10

09:08

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

Sun - Rise: 08:00, Set: 16:14, Transit: 12:07. Moon - Rise: 16:10, Set: 09:08. Civil Dark: 16:52 - 07:22. Nautical Dark: 17:33 - 06:41. Astro Dark: 18:13 - 06:01

Total Clouds (% Sky Obscured)

50
41
38
23
97
88
86
54
96
96
100
100
100
100
100
100
100
100
100
100
100
100
100
80

Low Clouds (% Sky Obscured)

28
26
7
4
36
27
58
40
47
53
63
56
27
44
48
60
74
100
96
93
95
100
93
75

Medium Clouds (% Sky Obscured)

45
9
0
0
51
43
59
20
68
59
100
99
97
97
100
100
100
100
98
100
100
47
50
28

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
4
13
13
87
86
97
100
66
93
82
36
87
85
41
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
6
4
5
3
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

5
8
5
2
9
12
23
24
21
20
26
24
26
23
20
20
56
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
1.1
1.1
2.1
1.6
1.3
1.5
1.3

Wind Speed/Direction (mph)

11
8
5
4
3
3
3
4
4
3
3
2
3
3
4
7
12
15
18
22
23
23
26
25

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
2
3
3
3
3
4
2
3
3
3
2
2
3
2
2
3
2
2
2
2
1
2
4

Dew Point (°C)

3
3
2
2
1
1
1
2
2
3
3
4
4
4
4
4
4
5
7
8
8
8
9
8

Relative Humidity (%)

85
86
86
86
85
83
82
83
85
88
89
93
91
90
86
81
75
81
90
95
96
98
98
88

Pressure (mb)

1001
1002
1002
1003
1004
1004
1005
1005
1005
1006
1006
1006
1006
1006
1005
1005
1004
1004
1003
1000
999
996
995
994

Ozone (du)

355
361
367
369
367
358
356
346
334
332
329
325
318
317
313
308
302
300
294
292
292
294
296
296

Friday 5

Waning Gibbous 98%

No Rise

10:15

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
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 08:01, Set: 16:13, Transit: 12:07. Moon - Rise: No Rise, Set: 10:15. Civil Dark: 16:51 - 07:23. Nautical Dark: 17:33 - 06:42. Astro Dark: 18:12 - 06:02

Total Clouds (% Sky Obscured)

76
82
87
57
92
33
69
85
99
100
77
99
100
84
74
96
65
73
75
77
84
71
67
95

Low Clouds (% Sky Obscured)

59
62
77
57
64
33
48
66
62
54
58
60
60
63
51
58
49
45
47
55
52
63
54
38

Medium Clouds (% Sky Obscured)

20
38
28
1
75
13
41
63
98
100
50
81
62
40
28
39
11
30
39
34
51
21
35
52

High Clouds (% Sky Obscured)

0
0
0
0
0
2
50
33
12
5
0
38
40
0
0
31
10
70
2
57
50
10
18
81

ISS Passover

Visibility (miles)

9
9
4
5
4
7
5
5
6
6
6
6
8
6
8
8
8
7
6
7
7
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
Light Rain
Very Light Rain
None
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

85
70
63
52
43
55
74
71
63
69
76
74
79
66
54
54
42
51
54
45
38
25
27
19

Precipitation Amount (mm)

0.6
0.5
0.4
0.3
0
0.3
0.5
0.6
0.3
0.6
0.8
0.6
0.6
0.5
0.3
0.3
0
0.3
0.3
0.2
0
0
0
0

Wind Speed/Direction (mph)

20
21
18
20
17
20
17
20
20
21
20
20
21
21
22
22
23
23
24
24
24
22
21
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
7
6
5
4
5
3
2
2
2
2
2
2
2
2
2
3
3
4
4
3
4
4
5

Dew Point (°C)

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

Relative Humidity (%)

90
89
90
88
88
85
87
85
87
88
88
85
87
87
87
87
88
88
90
88
87
87
84
87

Pressure (mb)

994
994
994
994
994
994
994
994
994
994
995
995
995
996
996
997
998
999
1000
1000
1001
1001
1002
1002

Ozone (du)

296
297
300
308
309
307
304
299
300
300
298
298
298
296
299
299
298
299
301
300
300
299
300
300

Saturday 6

Waning Gibbous 93%

17:22

11:03

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
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 08:02, Set: 16:13, Transit: 12:08. Moon - Rise: 17:22, Set: 11:03. Civil Dark: 16:51 - 07:24. Nautical Dark: 17:33 - 06:43. Astro Dark: 18:12 - 06:03

Total Clouds (% Sky Obscured)

96
98
100
100
98
100
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
97
95

Low Clouds (% Sky Obscured)

32
49
30
40
33
62
60
68
89
96
80
100
94
100
100
90
96
95
92
88
85
83
78
85

Medium Clouds (% Sky Obscured)

12
15
47
60
32
32
88
100
97
88
90
81
92
90
73
57
100
80
95
100
100
92
77
69

High Clouds (% Sky Obscured)

92
95
100
100
96
100
100
100
89
83
99
91
100
100
100
100
100
48
92
83
66
46
42
45

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
4
5
9
4
3
1
2
5
5
6
6
7
2
1
0
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

17
19
30
24
17
30
47
82
85
80
95
92
95
94
47
27
32
85
95
95
95
69
55
46

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.5
0.5
0.4
0.9
0.6
0.9
0.9
0.2
0
0
0.6
0.6
1.1
1.1
0.3
0
0

Wind Speed/Direction (mph)

18
17
16
14
13
11
11
11
10
9
7
7
6
6
10
11
10
10
10
10
12
14
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
4
4
5
5
6
6
6
6
8
9
9
9
8
8
8
8
10
11
12
12
11
11

Dew Point (°C)

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

Relative Humidity (%)

87
87
88
93
93
93
95
96
98
98
100
100
100
100
98
98
100
98
98
98
100
98
96
95

Pressure (mb)

1003
1003
1004
1004
1004
1004
1004
1004
1004
1003
1003
1002
1001
1000
1000
1000
1000
1000
1000
1000
999
999
999
999

Ozone (du)

300
299
299
300
298
297
296
292
291
292
292
292
295
296
298
299
302
305
303
302
304
304
305
307

Sunday 7

Waning Gibbous 86%

18:46

11:35

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
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 08:03, Set: 16:13, Transit: 12:08. Moon - Rise: 18:46, Set: 11:35. Civil Dark: 16:51 - 07:25. Nautical Dark: 17:33 - 06:44. Astro Dark: 18:12 - 06:04

Total Clouds (% Sky Obscured)

94
90
88
86
82
73
68
68
73
76
77
80
85
89
95
100
89
78
70
71
74
79
86
94

Low Clouds (% Sky Obscured)

71
60
72
66
56
55
54
44
55
62
64
66
68
57
48
42
64
59
57
45
62
66
67
65

Medium Clouds (% Sky Obscured)

53
46
50
52
13
8
28
5
30
18
57
17
64
79
92
100
89
78
70
71
74
74
75
74

High Clouds (% Sky Obscured)

42
44
47
55
55
45
35
35
40
40
35
35
35
60
82
100
80
57
35
30
30
30
50
77

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

35
26
25
25
22
25
24
18
38
26
31
51
67
62
69
82
81
74
67
55
60
67
60
59

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
9
9
8
8
8
7
8
9
9
9
9
9
9
8
8
8
8
8
8
8
8
7
8

Dew Point (°C)

11
11
11
11
10
10
10
9
10
10
10
10
11
10
11
10
10
10
10
10
10
10
9
9

Relative Humidity (%)

93
93
96
96
95
96
98
96
98
98
98
100
100
98
98
96
98
96
95
93
92
92
87
88

Pressure (mb)

999
999
1000
1001
1001
1002
1003
1003
1003
1003
1003
1003
1004
1004
1005
1005
1006
1006
1007
1007
1007
1007
1007
1008

Ozone (du)

307
306
306
304
303
300
299
299
300
301
303
303
307
309
311
311
312
312
313
313
312
316
322
324

Monday 8

Waning Gibbous 77%

20:13

11:57

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
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 08:04, Set: 16:13, Transit: 12:09. Moon - Rise: 20:13, Set: 11:57. Civil Dark: 16:51 - 07:26. Nautical Dark: 17:33 - 06:44. Astro Dark: 18:12 - 06:05

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
100

Low Clouds (% Sky Obscured)

64
65
68
73
75
75
76
74
71
66
72
83
93
92
95
97
97
95
94
94
95
96
97
98

Medium Clouds (% Sky Obscured)

72
69
66
60
73
59
65
100
94
100
98
100
100
100
100
99
100
100
100
100
100
100
99
99

High Clouds (% Sky Obscured)

100
100
100
100
100
100
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99

ISS Passover

Visibility (miles)

9
9
8
9
9
9
9
9
9
9
9
6
5
3
2
2
2
2
1
1
4
7
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
Very Light Rain
None
Very Light Rain
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain

Precipitation Probability (%)

63
50
46
43
34
32
37
48
56
67
94
95
95
95
95
95
95
95
95
95
95
95
95
90

Precipitation Amount (mm)

0.3
0.2
0
0.2
0
0
0
0.2
0.3
0.4
0.7
1.3
2.1
1.9
2.6
3
2.9
3.4
3.3
3.7
3.8
2.7
1.4
0.7

Wind Speed/Direction (mph)

18
17
16
17
16
15
14
13
14
12
12
12
14
16
20
21
23
23
25
26
26
26
26
27

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
83
86
84
84
84
84
84
90
95
96
98
100
98
98
98
98
96
98
98
93
90
86
84

Pressure (mb)

1008
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1009
1008
1006
1004
1002
1001
1001
1000
999
999
998
998
997

Ozone (du)

328
329
327
327
322
319
320
319
312
309
309
307
305
303
301
299
297
295
294
292
291
291
290
289

Tuesday 9

Waning Gibbous 67%

21:37

12:13

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
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 08:05, Set: 16:13, Transit: 12:09. Moon - Rise: 21:37, Set: 12:13. Civil Dark: 16:51 - 07:27. Nautical Dark: 17:33 - 06:45. Astro Dark: 18:12 - 06:06

Total Clouds (% Sky Obscured)

100
100
100
100
88
77
65
78
83
83
85
86
89
86
82
76
69
64
59
72
85
95
71
50

Low Clouds (% Sky Obscured)

99
99
99
99
88
77
65
64
62
57
65
72
80
67
57
47
44
41
39
24
22
22
30
38

Medium Clouds (% Sky Obscured)

98
83
68
59
56
48
36
34
29
26
29
37
55
75
82
76
57
30
2
32
62
92
66
39

High Clouds (% Sky Obscured)

99
99
99
100
87
73
63
43
22
1
2
3
4
5
5
10
15
20
25
17
10
2
2
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
8
7
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
Very Light Rain
None
None
None
None
None
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

47
39
36
35
32
31
41
33
27
26
22
22
30
21
23
37
23
18
24
22
20
24
21
21

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

28
29
29
29
29
27
26
25
25
25
25
24
23
22
21
20
19
19
19
19
17
16
15
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
5
6
5
4
4
4
4
4
5
6
5
5
5
4
5
5
4
4
4
5
6
5
5

Dew Point (°C)

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

Relative Humidity (%)

83
80
86
92
96
95
93
91
91
91
90
90
90
88
88
88
88
87
87
87
87
87
87
88

Pressure (mb)

997
997
996
996
996
997
997
998
999
1000
1001
1001
1002
1002
1003
1004
1005
1006
1006
1007
1007
1008
1008
1009

Ozone (du)

289
288
289
289
290
290
290
291
291
291
292
295
299
302
304
306
309
312
315
318
325
332
339
333

Wednesday 10

Waning Gibbous 57%

22:55

12:26

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

Sun - Rise: 08:06, Set: 16:13, Transit: 12:09. Moon - Rise: 22:55, Set: 12:26. Civil Dark: 16:51 - 07:28. Nautical Dark: 17:33 - 06:46. Astro Dark: 18:12 - 06:07

Total Clouds (% Sky Obscured)

30
30
27
41
49
58
61
51
43
34
30
30
31
51
75
100
100
100
100

Low Clouds (% Sky Obscured)

30
30
27
41
49
57
56
50
43
34
30
30
27
26
28
35
33
41
41

Medium Clouds (% Sky Obscured)

13
12
9
5
4
3
3
4
6
7
20
30
31
51
71
86
88
90
92

High Clouds (% Sky Obscured)

0
0
0
1
5
10
12
10
8
5
30
30
31
51
75
100
88
76
65

ISS Passover

Visibility (miles)

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

Fog (%)

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
Light Rain

Precipitation Probability (%)

29
26
27
35
25
20
17
17
16
22
20
18
24
22
18
23
34
53
74

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
8
8
9
9
9
9
9
9
9
9
9
10
10
10
10
10
10
10

Feels Like (°C)

5
5
5
6
6
6
5
5
5
5
5
5
5
5
5
5
5
5
5

Dew Point (°C)

7
7
7
7
7
7
8
8
8
8
9
8
9
9
9
9
9
9
9

Relative Humidity (%)

88
91
91
90
90
91
91
93
93
93
95
93
93
93
93
91
91
91
91

Pressure (mb)

1010
1010
1011
1011
1012
1012
1012
1012
1012
1012
1012
1011
1011
1010
1010
1010
1009
1009
1008

Ozone (du)

327
320
320
320
320
320
321
321
317
313
309
308
307
307
306
306
306
306
306

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

Generated: 04/12/25 17:47:41. Forecast: 04/12/25 to 10/12/25. Timezone: UTC+0.00