Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 13

Waning Crescent 36%

02:29

12:47

03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
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
00 Bad
01 Bad
02 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 - 06:46. Astro Dark: 18:10 - 06:07

Total Clouds (% Sky Obscured)

86
87
84
95
100
100
100
100
77
69
43
90
64
98
100
99
100
96
80
68
81
84
99
91

Low Clouds (% Sky Obscured)

40
45
55
55
65
75
80
80
69
63
43
45
56
48
40
43
36
38
48
55
50
40
38
45

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
70
97
96
41
10
32
57
98
82

High Clouds (% Sky Obscured)

0
0
0
0
1
57
79
81
77
69
43
90
64
98
100
99
49
42
14
20
27
10
22
14

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 (%)

100
100
100
100
100
100
100
100
100
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
5

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
2
3
2
2
3
1
1
3
4
5
5
6
5
5
4
4
4
4
5
5
5
5
5

Dew Point (°C)

1
1
1
1
0
1
1
2
3
4
5
6
6
6
6
5
5
5
5
5
5
6
6
6

Relative Humidity (%)

89
88
89
89
88
89
89
88
85
81
78
78
82
88
88
88
87
88
90
90
91
91
91
85

Pressure (mb)

1027
1027
1027
1027
1027
1028
1028
1028
1028
1028
1027
1027
1026
1026
1026
1026
1026
1026
1025
1025
1024
1024
1024
1023

Ozone (du)

381
378
359
351
346
347
343
339
336
332
329
327
325
324
318
317
318
317
315
313
309
306
304
303

Sunday 14

Waning Crescent 27%

No Rise

12:59

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 08:08, Set: 16:09, Transit: 12:09. Moon - Rise: No Rise, Set: 12:59. Civil Dark: 16:48 - 07:29. Nautical Dark: 17:30 - 06:47. Astro Dark: 18:10 - 06:07

Total Clouds (% Sky Obscured)

90
100
87
88
92
98
96
100
90
93
100
100
99
100
97
97
97
99
97
100
100
100
100
100

Low Clouds (% Sky Obscured)

45
49
51
51
60
55
56
52
56
60
68
59
78
68
84
86
84
88
82
86
74
82
75
83

Medium Clouds (% Sky Obscured)

33
40
74
75
75
76
64
74
57
75
45
27
19
25
21
29
39
72
67
92
98
99
100
100

High Clouds (% Sky Obscured)

26
100
45
40
27
70
92
85
80
63
100
100
95
100
81
56
42
35
34
36
69
97
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
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain

Precipitation Probability (%)

4
4
0
0
0
0
0
0
0
0
0
0
5
8
6
6
13
14
14
20
28
39
69
83

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
0.4
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
82
81
82
84
87
88
87
87
84
84
84
86
88
87
81
84
87
86
83
83
86
86
87

Pressure (mb)

1022
1021
1021
1020
1020
1019
1019
1019
1018
1017
1016
1015
1014
1014
1013
1012
1012
1011
1010
1010
1009
1008
1007
1007

Ozone (du)

299
300
305
304
304
301
300
298
297
296
295
295
295
297
299
299
299
298
297
297
297
297
298
297

Monday 15

Waning Crescent 19%

03:40

13:13

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 08:09, Set: 16:09, Transit: 12:09. Moon - Rise: 03:40, Set: 13:13. Civil Dark: 16:48 - 07:30. Nautical Dark: 17:30 - 06:48. Astro Dark: 18:10 - 06:08

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
96
99
99
99
88
77
89
100
100
100
89
78
65

Low Clouds (% Sky Obscured)

76
87
96
100
95
90
96
91
89
89
96
91
99
97
96
80
66
78
25
25
25
38
47
55

Medium Clouds (% Sky Obscured)

100
99
99
99
99
100
100
100
47
50
60
55
45
52
55
65
65
67
69
100
100
86
69
57

High Clouds (% Sky Obscured)

100
100
100
99
87
93
90
82
82
95
95
81
76
70
71
81
72
71
79
95
100
76
58
30

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
4
4
5

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

Precipitation Probability (%)

95
95
95
95
95
95
95
95
88
77
93
94
95
85
83
76
65
74
70
57
68
85
68
68

Precipitation Amount (mm)

0.8
0.5
0.7
0.6
0.6
0.7
0.7
0.8
0.5
0.3
0.6
0.8
0.9
0.6
0.5
0.4
0.2
0.3
0
0
0.4
0.8
0.4
0.4

Wind Speed/Direction (mph)

15
15
15
15
15
14
15
13
14
15
16
15
13
10
8
7
6
6
8
9
9
8
9
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
90
88
87
87
87
88
86
86
88
87
87
88
87
88
91
93
95
95
91
90
93
93
93

Pressure (mb)

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

Ozone (du)

299
300
301
301
301
301
299
299
299
301
302
302
302
302
305
307
307
306
305
301
297
295
292
287

Tuesday 16

Waning Crescent 12%

04:51

13:30

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 OK
16 OK
17 Good
18 OK
19 OK
20 OK
21 OK
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 08:10, Set: 16:09, Transit: 12:10. Moon - Rise: 04:51, Set: 13:30. Civil Dark: 16:48 - 07:31. Nautical Dark: 17:30 - 06:49. Astro Dark: 18:10 - 06:09

Total Clouds (% Sky Obscured)

62
65
67
80
90
100
100
100
100
85
70
53
36
11
5
13
25
32
32
39
76
83
70
81

Low Clouds (% Sky Obscured)

60
61
59
51
43
42
34
31
27
24
12
2
1
3
4
13
25
32
32
39
40
40
42
41

Medium Clouds (% Sky Obscured)

51
48
45
63
82
100
100
100
100
82
67
47
35
7
3
0
0
2
0
0
0
9
16
27

High Clouds (% Sky Obscured)

26
26
14
30
71
95
74
54
33
28
5
2
2
1
0
0
0
0
6
15
45
55
39
50

ISS Passover

Visibility (miles)

5
5
4
6
5
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
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
None

Precipitation Probability (%)

66
63
60
67
53
32
14
10
8
5
1
0
2
3
1
4
5
3
7
8
3
4
5
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
4
3
4
3
3
3
4
5
5
5
6
5
5
4
4
4
3
3
2
0
1
2

Dew Point (°C)

6
6
6
5
5
5
5
5
5
6
5
6
6
5
5
4
3
3
3
2
2
1
2
2

Relative Humidity (%)

93
94
93
93
93
93
93
90
85
84
81
82
84
88
91
91
91
93
93
93
93
91
91
89

Pressure (mb)

1008
1008
1009
1010
1011
1012
1013
1014
1014
1015
1015
1015
1016
1017
1017
1018
1018
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

289
295
302
309
312
318
324
336
341
343
342
342
339
346
353
359
353
345
340
336
332
329
324
322

Wednesday 17

Waning Crescent 6%

06:03

13:52

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 08:11, Set: 16:09, Transit: 12:10. Moon - Rise: 06:03, Set: 13:52. Civil Dark: 16:48 - 07:32. Nautical Dark: 17:31 - 06:49. Astro Dark: 18:11 - 06:09

Total Clouds (% Sky Obscured)

93
97
100
100
100
100
100
100
100
98
97
96
97
99
100
100
100
100
99
98
98
98
98
98

Low Clouds (% Sky Obscured)

48
58
62
62
61
65
73
82
90
97
96
94
84
73
62
82
80
78
70
64
57
47
40
39

Medium Clouds (% Sky Obscured)

36
46
60
60
60
66
100
89
100
73
57
53
50
22
11
25
45
65
78
88
98
97
97
96

High Clouds (% Sky Obscured)

77
90
100
100
100
100
75
47
7
0
0
0
31
65
95
54
77
100
69
38
15
32
40
48

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 (%)

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

Precipitation Probability (%)

6
9
16
36
56
69
82
85
75
89
48
11
20
25
31
31
31
24
31
34
31
44
56
57

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

2
3
4
5
7
8
10
10
11
15
15
14
14
12
11
9
11
11
10
9
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
88
85
85
85
85
85
84
77
76
76
78
80
81
81
83
83
83
83
83
83
84
85

Pressure (mb)

1019
1018
1018
1018
1018
1018
1018
1018
1017
1016
1016
1015
1015
1015
1015
1014
1013
1013
1013
1012
1012
1012
1011
1011

Ozone (du)

320
316
312
310
309
311
310
310
308
307
305
303
299
294
293
292
293
293
294
295
296
297
298
299

Thursday 18

Waning Crescent 3%

07:13

14:23

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
00 Bad
01 Bad
02 Bad

Sun - Rise: 08:11, Set: 16:10, Transit: 12:11. Moon - Rise: 07:13, Set: 14:23. Civil Dark: 16:49 - 07:32. Nautical Dark: 17:31 - 06:50. Astro Dark: 18:11 - 06:10

Total Clouds (% Sky Obscured)

87
82
77
76
78
81
79
76
78
89
95
100
100
100
100
100
100
100
100
100
100
99
99
98

Low Clouds (% Sky Obscured)

43
50
54
52
50
49
50
48
46
54
65
76
75
70
69
77
86
96
90
85
81
87
90
93

Medium Clouds (% Sky Obscured)

87
82
77
75
65
60
45
33
20
37
57
79
78
75
57
59
65
76
84
92
100
90
80
69

High Clouds (% Sky Obscured)

39
39
30
15
10
5
5
5
5
33
67
100
100
100
100
100
100
99
100
100
100
73
47
20

ISS Passover

Visibility (miles)

7
8
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

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

Precipitation Probability (%)

66
66
39
53
49
15
19
21
4
6
12
12
10
9
10
25
51
91
95
95
95
95
69
36

Precipitation Amount (mm)

0.3
0.3
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
2.7
4.4
5.5
0.5
0.2
0

Wind Speed/Direction (mph)

9
10
10
10
10
10
12
14
15
17
17
18
18
19
20
21
23
24
26
27
28
30
29
28

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
87
87
87
85
84
85
85
87
88
87
86
84
86
86
86
86
87
86
86
87
87
87
87

Pressure (mb)

1011
1011
1011
1011
1012
1012
1012
1012
1011
1011
1010
1009
1008
1007
1006
1004
1003
1001
999
998
996
995
994
993

Ozone (du)

300
299
298
297
293
290
287
284
281
279
277
276
274
273
272
271
272
274
275
283
292
300
303
306

Friday 19

Waning Crescent 1%

08:17

15:04

Sun - Rise: 08:12, Set: 16:10, Transit: 12:11. Moon - Rise: 08:17, Set: 15:04. Civil Dark: 16:49 - 07:33. Nautical Dark: 17:32 - 06:51. Astro Dark: 18:12 - 06:10

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)

Welcome to Clear Outside

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

Generated: 13/12/25 03:22:40. Forecast: 13/12/25 to 19/12/25. Timezone: UTC+0.00