Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 7

Waning Gibbous 86%

18:42

11:34

12 Bad
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

Sun - Rise: 08:03, Set: 16:09, Transit: 12:05. Moon - Rise: 18:42, Set: 11:34. Civil Dark: 16:48 - 07:24. Nautical Dark: 17:30 - 06:42. Astro Dark: 18:09 - 06:02

Total Clouds (% Sky Obscured)

100
100
97
100
98
100
47
100
87
46
59
87
98
97
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

88
94
62
87
63
58
47
47
42
44
44
43
42
63
53
56
57
44
58
46
46
41
49
37

Medium Clouds (% Sky Obscured)

89
87
92
45
0
0
0
0
0
0
0
1
61
68
77
86
91
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
86
86
100
98
100
47
41
14
1
10
16
98
97
100
100
100
100
100
100
100
100
100
22

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
1
0
0
0
0
0
0
0
0
0
0
0
0
1
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 (%)

7
1
8
13
5
8
0
0
0
0
0
2
1
2
8
29
27
28
6
26
42
50
52
49

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)

11
15
17
19
17
16
14
12
10
10
10
9
9
9
9
11
11
12
11
12
13
14
14
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
12
13
12
10
10
10
9
9
8
8
8
8
8
9
9
9
8
9
9
9
9
10

Relative Humidity (%)

93
93
84
89
86
84
86
87
88
91
87
85
85
85
87
87
84
84
80
80
80
81
84
86

Pressure (mb)

997
997
998
999
1000
1001
1002
1004
1004
1005
1006
1006
1007
1007
1007
1007
1006
1006
1006
1007
1007
1007
1008
1008

Ozone (du)

290
290
292
293
296
300
305
306
308
308
307
308
308
308
311
310
316
319
323
327
331
336
339
340

Monday 8

Waning Gibbous 77%

20:09

11:56

12 Bad
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

Sun - Rise: 08:04, Set: 16:09, Transit: 12:06. Moon - Rise: 20:09, Set: 11:56. Civil Dark: 16:48 - 07:25. Nautical Dark: 17:29 - 06:43. Astro Dark: 18:09 - 06:03

Total Clouds (% Sky Obscured)

99
76
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)

50
51
43
42
54
62
66
86
82
79
94
96
100
85
87
87
82
84
86
84
83
97
95
100

Medium Clouds (% Sky Obscured)

98
61
45
6
24
26
27
100
100
47
58
100
100
100
100
100
100
99
88
72
89
96
100
97

High Clouds (% Sky Obscured)

57
15
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
91
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
1
2
6
7
4
5
3
4
4
9
9
9
9
6
3

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
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

Precipitation Probability (%)

48
64
64
21
16
3
8
27
40
38
68
95
95
95
95
95
95
95
76
73
89
89
84
86

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0.8
0.8
1.1
1.8
2.1
1.7
1.2
0.5
0.5
0.6
0.7
0.6
0.6

Wind Speed/Direction (mph)

11
13
14
14
13
12
10
11
9
7
11
15
16
18
19
21
24
24
25
24
25
25
24
24

Chance of Frost

Temperature (°C)

12
12
13
13
12
12
12
12
12
12
12
13
13
13
13
13
13
12
13
13
13
14
14
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
90
86
89
89
90
90
92
95
96
96
96
93
93
93
92
90
92
90
89
89
84
89
89

Pressure (mb)

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

Ozone (du)

339
341
338
339
340
339
336
330
323
318
312
306
301
298
292
292
292
290
288
290
291
291
292
290

Tuesday 9

Waning Gibbous 67%

21:33

11:56

12 Bad
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 OK
07 OK
08 Bad
09 Bad
10 OK
11 OK

Sun - Rise: 08:05, Set: 16:09, Transit: 12:06. Moon - Rise: 21:33, Set: 11:56. Civil Dark: 16:47 - 07:26. Nautical Dark: 17:29 - 06:44. Astro Dark: 18:09 - 06:04

Total Clouds (% Sky Obscured)

94
100
100
90
94
83
100
99
96
100
100
100
100
100
100
68
52
68
42
39
40
40
35
32

Low Clouds (% Sky Obscured)

55
43
57
55
54
49
44
57
45
60
61
68
60
63
69
60
46
44
38
35
36
30
30
32

Medium Clouds (% Sky Obscured)

89
100
100
88
90
80
100
96
73
47
50
55
0
0
0
0
2
0
1
1
1
0
0
0

High Clouds (% Sky Obscured)

4
2
17
4
25
31
100
29
82
76
72
72
80
71
71
1
6
30
5
2
0
0
0
0

ISS Passover

Visibility (miles)

7
5
4
4
5
2
5
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
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

83
79
95
95
95
95
63
15
12
31
31
39
35
28
30
10
4
1
1
3
2
5
7
2

Precipitation Amount (mm)

0.5
0.4
0.7
0.5
1.2
1.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

22
21
19
18
16
15
15
14
15
16
16
14
12
12
18
15
12
10
10
8
8
8
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
8
7
7
8
7
7
7
7
6
5
6
8
8
1
3
4
6
4
6
7
6
7
9

Dew Point (°C)

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

Relative Humidity (%)

89
90
92
92
93
95
93
89
79
80
84
89
93
92
85
83
81
84
84
85
88
88
85
84

Pressure (mb)

1001
1001
1001
1001
1002
1002
1002
1002
1002
1002
1001
1001
1001
1002
1004
1007
1008
1009
1010
1012
1013
1014
1015
1015

Ozone (du)

291
290
290
290
290
287
287
290
292
293
294
297
297
295
294
293
295
295
297
303
303
304
304
305

Wednesday 10

Waning Gibbous 57%

22:52

12:12

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

Sun - Rise: 08:06, Set: 16:09, Transit: 12:07. Moon - Rise: 22:52, Set: 12:12. Civil Dark: 16:47 - 07:27. Nautical Dark: 17:29 - 06:45. Astro Dark: 18:09 - 06:05

Total Clouds (% Sky Obscured)

27
24
19
18
17
16
19
23
30
35
39
39
40
43
36
38
41
51
60
49
56
69
76
78

Low Clouds (% Sky Obscured)

27
24
19
18
17
16
19
23
30
35
39
39
40
43
36
38
41
51
60
49
52
58
61
59

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10
20
32

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
0
1
0
0
0
0
2
2
2
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

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 (%)

2
4
1
3
2
0
1
1
1
1
3
0
1
1
0
6
8
3
8
7
6
9
16
15

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)

11
10
9
8
6
5
4
2
3
2
3
3
4
3
2
2
4
5
7
8
7
7
9
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
81
81
84
91
93
93
93
93
93
93
94
96
96
94
94
96
96
96
93
91
95
93
91

Pressure (mb)

1016
1016
1017
1017
1018
1019
1020
1020
1021
1021
1021
1021
1021
1020
1020
1020
1019
1018
1018
1018
1018
1018
1017
1016

Ozone (du)

307
310
308
310
309
310
310
309
311
314
313
311
310
312
315
316
315
316
320
322
324
328
332
330

Thursday 11

Third Quarter 46%

00:06

12:25

12 Bad
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

Sun - Rise: 08:07, Set: 16:09, Transit: 12:07. Moon - Rise: 00:06, Set: 12:25. Civil Dark: 16:47 - 07:28. Nautical Dark: 17:29 - 06:46. Astro Dark: 18:09 - 06:06

Total Clouds (% Sky Obscured)

83
91
99
100
99
98
99
100
100
100
100
100
100
100
100
100
99
99
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

57
57
61
60
57
52
56
57
59
73
86
100
83
66
50
33
20
7
10
12
11
25
39
51

Medium Clouds (% Sky Obscured)

32
36
33
42
46
50
55
65
65
59
51
47
40
33
33
39
44
46
61
73
78
62
51
45

High Clouds (% Sky Obscured)

20
43
60
75
81
86
85
90
98
99
100
93
92
83
82
86
91
97
99
99
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
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

22
33
32
32
35
27
33
39
34
50
80
91
72
60
30
19
18
12
18
20
20
25
30
28

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.4
0.5
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
13
13
13
13
12
11
11
12
13
12
11
12
11
13
17
14
11
8
6
5
4
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
87
88
93
95
95
95
95
95
96
96
96
95
95
95
95
95
95
95
91
88
87
87
87

Pressure (mb)

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

Ozone (du)

328
326
320
317
317
314
312
311
310
309
310
311
313
314
315
317
317
318
319
319
319
319
320
321

Friday 12

Waning Crescent 36%

01:18

12:36

12 Bad
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

Sun - Rise: 08:08, Set: 16:09, Transit: 12:08. Moon - Rise: 01:18, Set: 12:36. Civil Dark: 16:47 - 07:29. Nautical Dark: 17:30 - 06:46. Astro Dark: 18:10 - 06:07

Total Clouds (% Sky Obscured)

99
86
75
64
57
46
52
57
63
71
75
66
48
40
46
74
93
98
99
99
100
100
100
100

Low Clouds (% Sky Obscured)

53
50
57
53
49
42
36
33
30
29
29
29
47
40
46
74
70
74
74
73
72
69
66
62

Medium Clouds (% Sky Obscured)

42
43
49
54
57
46
52
57
63
65
64
66
48
40
46
62
70
81
81
84
87
92
96
100

High Clouds (% Sky Obscured)

70
39
9
9
8
10
6
14
13
12
11
9
7
5
4
8
14
19
44
68
94
96
98
100

ISS Passover

Visibility (miles)

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

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
Very Light Rain
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
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

43
57
63
73
73
67
45
28
3
5
8
3
11
24
30
35
35
27
38
47
47
67
80
89

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
6
5
6
4
3
3
4
5
6
7
8
8
10
11
13
14
15
16
16
16
16
17
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

322
320
318
316
317
317
317
319
320
322
332
341
351
349
346
344
344
344
344
343
342
341
343
345

Saturday 13

Waning Crescent 27%

02:29

12:47

12 Bad
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

Sun - Rise: 08:08, Set: 16:09, Transit: 12:08. Moon - Rise: 02:29, Set: 12:47. Civil Dark: 16:48 - 07:29. Nautical Dark: 17:30 - 06:47. Astro Dark: 18:10 - 06:07

Total Clouds (% Sky Obscured)

100
100
100
100
98
100
100
100
100
98
88
76
84
90
100
100
100
100

Low Clouds (% Sky Obscured)

70
78
86
84
75
68
71
83
80
77
79
76
84
90
100
95
89
84

Medium Clouds (% Sky Obscured)

84
68
51
45
37
30
42
50
67
70
73
73
66
63
50
43
41
43

High Clouds (% Sky Obscured)

98
97
95
91
83
68
56
53
57
48
39
60
72
73
79
81
90
100

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

95
95
87
77
64
53
63
60
47
48
37
31
54
41
33
40
39
35

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

22
14
11
17
15
13
12
12
12
11
12
13
13
13
14
15
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
87
87
87
90
91
91
91
91
90
90
90
91
91
95
98
98
95

Pressure (mb)

1014
1014
1014
1014
1014
1015
1016
1016
1017
1017
1017
1017
1017
1017
1017
1016
1016
1015

Ozone (du)

347
345
344
342
340
338
336
337
337
338
335
333
330
327
324
322
322
323

Welcome to Clear Outside

Forecast for Alphington, Devon, United Kingdom (50.70,-3.52)

Generated: 07/12/25 11:56:49. Forecast: 07/12/25 to 13/12/25. Timezone: UTC+0.00