Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 30

Waxing Gibbous 82%

12:35

No Set

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

Sun - Rise: 08:16, Set: 16:21, Transit: 12:19. Moon - Rise: 12:35, Set: No Set. Civil Dark: 17:00 - 07:38. Nautical Dark: 17:42 - 06:56. Astro Dark: 18:21 - 06:16

Total Clouds (% Sky Obscured)

98
96
86
75
73
74
66
57
45
47
46
21
25
18
9
4
6
9
1
1
1
0
0
0

Low Clouds (% Sky Obscured)

81
70
58
71
71
64
63
54
42
41
35
2
6
0
0
0
0
7
0
0
0
0
0
0

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
0
0
0

High Clouds (% Sky Obscured)

93
80
79
75
73
74
62
19
45
47
46
21
25
18
9
4
6
9
1
1
1
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 (%)

0
0
0
3
2
2
3
3
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
1

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)

12
11
13
13
14
15
15
15
15
14
13
12
12
11
10
9
9
8
8
7
6
6
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
1
-1
-1
-1
-0
0
0
-0
-1
-1
-1
-2
-2
-2
-1
-1
-1
-0
0
0
0
0
-1

Relative Humidity (%)

76
73
69
73
76
73
72
71
68
67
67
69
69
70
74
77
81
84
88
89
89
91
91
89

Pressure (mb)

1031
1031
1032
1032
1033
1033
1034
1033
1033
1033
1033
1033
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1034
1033

Ozone (du)

279
282
285
284
287
287
289
292
293
293
296
300
303
302
300
297
297
296
295
297
301
301
302
300

Wednesday 31

Waxing Gibbous 91%

13:05

05:09

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

Sun - Rise: 08:16, Set: 16:22, Transit: 12:19. Moon - Rise: 13:05, Set: 05:09. Civil Dark: 17:01 - 07:38. Nautical Dark: 17:42 - 06:56. Astro Dark: 18:22 - 06:16

Total Clouds (% Sky Obscured)

1
5
2
2
1
0
0
1
1
1
2
4
5
7
9
13
24
39
57
75
94
92
91
92

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
56
64
73
68
75

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
0
0
0

High Clouds (% Sky Obscured)

1
5
2
2
1
0
0
1
1
1
2
3
4
5
8
13
20
20
32
57
85
87
79
86

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
1
2
2
1

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
1
0
0
0
0
0
0
0
0
0
0
0
1
3
7

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)

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

Chance of Frost

Temperature (°C)

1
0
-0
-1
-1
1
2
3
4
4
4
2
1
0
-1
-1
-1
-1
-2
-2
-1
-1
0
0

Feels Like (°C)

-2
-2
-3
-2
-3
-1
1
3
4
4
3
2
0
-1
-2
-2
-2
-2
-3
-3
-3
-4
-3
-3

Dew Point (°C)

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

Relative Humidity (%)

89
89
89
89
86
80
72
68
67
66
73
80
84
87
86
87
86
86
84
84
87
89
89
89

Pressure (mb)

1033
1033
1033
1033
1033
1033
1032
1031
1030
1030
1029
1029
1029
1028
1028
1027
1027
1026
1025
1024
1023
1023
1022
1021

Ozone (du)

304
305
309
309
308
304
304
304
304
304
304
304
304
303
303
307
310
312
313
313
314
315
315
314

Thursday 1

Waxing Gibbous 97%

13:49

06:38

05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 OK
11 OK
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 OK
03 OK
04 OK

Sun - Rise: 08:16, Set: 16:23, Transit: 12:20. Moon - Rise: 13:49, Set: 06:38. Civil Dark: 17:02 - 07:38. Nautical Dark: 17:43 - 06:56. Astro Dark: 18:23 - 06:16

Total Clouds (% Sky Obscured)

100
86
67
49
59
28
37
57
79
81
67
53
47
60
57
58
58
53
47
53
56
40
36
30

Low Clouds (% Sky Obscured)

87
74
50
49
49
25
37
57
79
81
65
51
45
55
51
55
54
52
47
50
54
40
36
30

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
0
0
0

High Clouds (% Sky Obscured)

100
71
43
3
14
3
0
0
0
0
0
0
0
0
0
0
0
0
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 (%)

1
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 (%)

8
6
4
5
3
3
3
3
4
5
18
4
4
2
2
2
1
2
2
4
3
1
3
3

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-2
-1
-1
1
0
2
2
3
3
4
2
2
1
-1
-1
-2
-1
-1
-1
-0
0
2
1

Dew Point (°C)

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

Relative Humidity (%)

89
83
85
93
93
85
77
73
72
74
80
88
93
88
82
82
84
81
81
81
79
83
86
88

Pressure (mb)

1020
1019
1018
1018
1018
1017
1016
1016
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1012

Ozone (du)

316
319
319
316
313
311
315
315
316
315
313
310
307
306
308
306
308
313
311
314
314
310
307
305

Friday 2

Waxing Gibbous 100%

14:51

07:54

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

Sun - Rise: 08:16, Set: 16:24, Transit: 12:20. Moon - Rise: 14:51, Set: 07:54. Civil Dark: 17:03 - 07:38. Nautical Dark: 17:44 - 06:56. Astro Dark: 18:24 - 06:16

Total Clouds (% Sky Obscured)

25
26
22
19
17
18
19
26
36
51
46
45
58
69
31
14
11
11
15
30
17
24
24
24

Low Clouds (% Sky Obscured)

25
26
22
19
17
18
14
26
36
51
46
45
57
55
31
14
11
8
7
22
17
24
24
24

Medium Clouds (% Sky Obscured)

0
0
0
0
1
2
4
8
12
17
11
6
0
0
0
0
0
0
0
4
10
18
19
18

High Clouds (% Sky Obscured)

0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
4
0
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
Snow
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
3
4
1
3
3
1
5
5
2
15
27
43
33
17
4
7
6
1
4
5
6
15
15

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)

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

Chance of Frost

Temperature (°C)

2
2
2
2
2
3
4
5
5
5
5
4
3
3
3
1
1
0
-0
-1
-1
-1
-1
-1

Feels Like (°C)

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

Dew Point (°C)

0
0
-0
-0
-1
-1
-1
-0
-0
0
1
1
1
2
1
-2
-2
-2
-2
-3
-3
-4
-5
-5

Relative Humidity (%)

88
88
88
88
84
79
72
71
70
72
79
85
89
96
86
81
86
87
87
86
84
81
75
72

Pressure (mb)

1012
1012
1012
1012
1011
1011
1011
1010
1009
1008
1008
1008
1008
1007
1008
1008
1008
1008
1008
1008
1009
1009
1009
1008

Ozone (du)

302
298
295
288
284
282
282
281
279
279
281
282
284
289
300
314
322
325
323
328
329
333
340
353

Saturday 3

Full Moon 99%

16:11

08:51

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

Sun - Rise: 08:16, Set: 16:25, Transit: 12:21. Moon - Rise: 16:11, Set: 08:51. Civil Dark: 17:04 - 07:38. Nautical Dark: 17:45 - 06:56. Astro Dark: 18:25 - 06:16

Total Clouds (% Sky Obscured)

38
51
55
44
34
33
16
27
1
0
1
2
3
50
47
42
38
35
25
23
9
1
3
6

Low Clouds (% Sky Obscured)

36
31
22
2
1
0
0
0
0
0
1
2
3
35
28
20
15
8
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

22
38
45
39
33
25
13
27
1
0
0
0
0
3
5
8
9
16
19
16
7
0
2
5

High Clouds (% Sky Obscured)

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

6
8
7
4
5
4
2
2
1
1
3
3
3
4
5
4
9
9
6
9
8
4
7
7

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)

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

Chance of Frost

Temperature (°C)

-1
-1
-1
-1
-1
1
2
2
2
2
2
1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-2
-2
-2

Feels Like (°C)

-3
-3
-4
-5
-4
-3
-2
-2
-3
-2
-2
-2
-3
-3
-4
-4
-4
-4
-5
-5
-5
-5
-5
-5

Dew Point (°C)

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

Relative Humidity (%)

74
77
77
78
78
75
64
58
59
60
65
73
77
77
75
75
74
72
72
74
72
74
75
75

Pressure (mb)

1008
1008
1008
1009
1009
1010
1010
1010
1010
1010
1010
1011
1011
1012
1007
1008
1008
1009
1009
1010
1010
1011
1012
1012

Ozone (du)

366
374
370
376
377
375
386
393
399
406
412
417
414
414
407
401
394
386
379
371
366
361
356
354

Sunday 4

Waning Gibbous 96%

17:40

09:31

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

Sun - Rise: 08:16, Set: 16:26, Transit: 12:21. Moon - Rise: 17:40, Set: 09:31. Civil Dark: 17:05 - 07:37. Nautical Dark: 17:46 - 06:56. Astro Dark: 18:26 - 06:16

Total Clouds (% Sky Obscured)

9
7
5
3
4
6
10
15
18
22
18
14
7
16
21
31
40
49
58
57
55
54
56
57

Low Clouds (% Sky Obscured)

1
1
1
1
4
6
10
12
14
16
16
12
5
12
21
30
38
48
56
55
55
54
56
57

Medium Clouds (% Sky Obscured)

8
4
2
0
0
0
0
0
0
0
0
1
2
4
6
7
19
30
41
36
31
26
24
25

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
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
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
6
6
1
3
3
3
10
12
12
21
21
15
16
15
5
9
11
9
18
24
29
33
40

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

Chance of Frost

Temperature (°C)

-2
-2
-2
-2
-2
-1
1
2
2
2
2
1
-0
-1
-1
-1
-1
-1
-0
0
2
3
4
4

Feels Like (°C)

-5
-5
-5
-5
-4
-5
-5
-4
0
-1
-1
-1
-1
-1
-5
-4
-4
-3
-4
-3
-3
-2
-2
-2

Dew Point (°C)

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

Relative Humidity (%)

76
78
76
74
72
66
60
55
63
72
81
86
87
92
91
91
89
87
86
84
83
79
76
82

Pressure (mb)

1012
1013
1014
1014
1015
1015
1015
1016
1016
1016
1016
1016
1017
1017
1017
1018
1018
1018
1017
1017
1017
1016
1016
1016

Ozone (du)

352
350
351
352
353
352
350
349
349
348
348
348
349
349
349
349
348
349
349
350
350
350
350
351

Monday 5

Waning Gibbous 90%

19:08

09:57

Sun - Rise: 08:15, Set: 16:28, Transit: 12:21. Moon - Rise: 19:08, Set: 09:57. Civil Dark: 17:06 - 07:37. Nautical Dark: 17:47 - 06:56. Astro Dark: 18:27 - 06:16

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 Yelverton, Devon, United Kingdom (50.47,-4.09)

Generated: 30/12/25 05:21:52. Forecast: 30/12/25 to 05/01/26. Timezone: UTC+0.00