Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 12

Waning Crescent 26%

03:47

11:24

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 08:07, Set: 16:23, Transit: 12:15. Moon - Rise: 03:47, Set: 11:24. Civil Dark: 17:02 - 07:27. Nautical Dark: 17:44 - 06:46. Astro Dark: 18:24 - 06:06

Total Clouds (% Sky Obscured)

75
84
88
100
91
82
76
72
85
100
100
100
77
81
82
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

65
71
72
54
65
59
63
69
72
60
77
56
63
79
75
81
87
91
87
87
82
78
79
66

Medium Clouds (% Sky Obscured)

75
84
59
85
73
61
32
5
0
0
15
99
49
35
22
34
31
22
38
97
100
100
100
95

High Clouds (% Sky Obscured)

63
62
88
100
60
45
0
0
37
100
100
100
65
13
0
98
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
2
2
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
55
55
100
100
69

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
3
18
27
44
34
32
5
5
4
0
1
0
0
0
0
0
0
1
6
13
3
11
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)

12
12
13
16
17
16
17
15
14
12
11
11
11
9
10
9
8
8
8
7
7
7
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
90
91
87
88
87
90
88
90
91
91
90
93
93
96
98
96
91
88
91
95
98
96
95

Pressure (mb)

1001
1001
1002
1002
1001
1001
1001
1002
1002
1002
1003
1003
1004
1004
1004
1004
1005
1004
1005
1004
1004
1004
1003
1003

Ozone (du)

320
318
315
314
312
316
324
327
329
329
331
332
333
335
336
334
329
326
323
324
324
327
328
331

Tuesday 13

Waning Crescent 24%

04:59

11:43

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 08:06, Set: 16:25, Transit: 12:15. Moon - Rise: 04:59, Set: 11:43. Civil Dark: 17:03 - 07:27. Nautical Dark: 17:45 - 06:45. Astro Dark: 18:25 - 06:05

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
76
69
80
94
96
94
96
100

Low Clouds (% Sky Obscured)

91
97
100
98
97
94
88
90
90
94
95
86
89
79
73
71
76
69
80
84
84
89
93
100

Medium Clouds (% Sky Obscured)

100
95
100
94
100
100
100
100
97
99
96
90
89
52
26
60
0
0
0
26
31
12
14
14

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
94
100
98
86
91
90
90
0
0
0
0
0
2
1
1

ISS Passover

Visibility (miles)

5
1
9
9
1
2
1
2
3
3
8
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

25
9
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
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
94
95
95
95
95
95
95
95
95
70
65
62
26
5
4
2
2
2
3
5
6
7
3

Precipitation Amount (mm)

0.7
0.4
0.6
0.9
1.1
1.1
1.1
0.8
1.1
0.8
0.3
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
10
14
13
15
14
13
11
11
12
11
11
12
12
11
10
9
9
7
7
6
5
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
95
96
95
95
98
98
98
96
95
91
90
91
88
91
90
90
90
88
88
88
86
86

Pressure (mb)

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

Ozone (du)

332
331
332
331
330
325
325
327
331
332
335
334
336
349
357
362
352
350
349
346
340
336
330
324

Wednesday 14

Waning Crescent 18%

06:06

12:09

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 08:05, Set: 16:26, Transit: 12:16. Moon - Rise: 06:06, Set: 12:09. Civil Dark: 17:05 - 07:26. Nautical Dark: 17:46 - 06:44. Astro Dark: 18:26 - 06:04

Total Clouds (% Sky Obscured)

100
100
97
96
100
100
100
100
97
100
98
96
100
93
96
97
88
81
74
84
93
100
78
100

Low Clouds (% Sky Obscured)

100
100
97
89
76
66
51
47
33
2
26
57
28
71
83
83
80
77
74
76
75
75
63
64

Medium Clouds (% Sky Obscured)

19
15
11
18
34
85
100
100
97
89
85
96
100
44
33
75
85
79
74
82
23
40
47
48

High Clouds (% Sky Obscured)

1
1
5
11
100
99
100
100
35
100
93
17
23
1
6
1
1
20
1
32
60
98
78
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

3
1
0
0
0
0
3
0
0
0
0
5
3
11
20
44
26
53
92
52
15
3
1
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0.2
0.9
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
85
80
76
74
75
79
83
88
89
88
88
85
83
86
88
89
88
93
94
94
98
94
96

Pressure (mb)

1009
1010
1010
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1008
1007
1007
1006
1005
1005
1005
1005
1004

Ozone (du)

317
314
311
311
310
311
313
318
320
324
323
320
319
323
329
331
333
338
340
343
350
356
360
362

Thursday 15

Waning Crescent 11%

07:03

12:46

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
03 OK
04 OK
05 OK
06 OK
07 OK

Sun - Rise: 08:04, Set: 16:28, Transit: 12:16. Moon - Rise: 07:03, Set: 12:46. Civil Dark: 17:06 - 07:25. Nautical Dark: 17:48 - 06:44. Astro Dark: 18:28 - 06:04

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
99
95
89
81
78
76
75
65
57
48
35
27
17
28
37

Low Clouds (% Sky Obscured)

60
63
67
71
81
91
100
92
85
79
81
82
81
78
76
75
64
57
47
34
26
17
28
36

Medium Clouds (% Sky Obscured)

45
79
100
100
100
100
100
99
98
80
45
19
0
0
2
18
2
0
0
0
2
2
2
2

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
68
33
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1

ISS Passover

Visibility (miles)

9
9
9
2
1
1
2
3
3
3
4
9
9
3
8
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
Light Rain
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

Precipitation Probability (%)

2
34
46
69
95
95
95
95
95
95
95
59
34
25
7
1
0
0
0
0
0
0
0
1

Precipitation Amount (mm)

0
0
0
0
0.8
1.5
1.6
1.4
1.5
1.3
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
4
4
6
5
6
7
9
10
10
10
10
8
14
11
10
11
10
10
9
7
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1004
1004
1003
1003
1001
1000
999
998
997
997
996
996
996
997
999
1000
1001
1002
1002
1003
1003
1004
1004
1004

Ozone (du)

366
366
367
365
365
366
371
375
379
377
376
373
370
370
370
372
378
387
397
404
411
412
416
419

Friday 16

Waning Crescent 6%

07:49

13:37

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 08:03, Set: 16:29, Transit: 12:16. Moon - Rise: 07:49, Set: 13:37. Civil Dark: 17:07 - 07:24. Nautical Dark: 17:49 - 06:43. Astro Dark: 18:29 - 06:03

Total Clouds (% Sky Obscured)

47
55
61
64
70
76
83
79
77
74
99
98
98
98
99
100
90
80
70
64
59
53
57
61

Low Clouds (% Sky Obscured)

47
53
59
62
64
66
68
70
71
73
78
78
77
77
76
75
69
62
55
55
54
53
57
61

Medium Clouds (% Sky Obscured)

3
12
35
35
11
47
58
51
47
40
99
98
98
98
99
100
90
80
70
64
59
53
57
61

High Clouds (% Sky Obscured)

2
2
25
5
2
2
17
12
20
20
53
28
18
7
6
4
3
2
2
9
32
45
31
17

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

3
15
49
24
33
42
45
58
43
39
43
40
33
31
26
13
21
22
19
25
23
11
13
11

Precipitation Amount (mm)

0
0
0.3
0
0
0
0
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
8
10
12
11
13
13
11
12
10
10
6
5
4
4
4
4
5
6
6
7
7
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

422
423
417
417
413
411
405
404
404
407
411
420
429
438
438
438
438
439
441
443
444
445
446
445

Saturday 17

Waning Crescent 2%

No Rise

14:40

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 08:02, Set: 16:31, Transit: 12:17. Moon - Rise: No Rise, Set: 14:40. Civil Dark: 17:09 - 07:24. Nautical Dark: 17:50 - 06:42. Astro Dark: 18:30 - 06:03

Total Clouds (% Sky Obscured)

65
72
79
86
81
79
76
79
81
80
70
54
45
60
75
79
81
83
84
89
95
100
99
98

Low Clouds (% Sky Obscured)

65
72
79
86
81
79
76
79
79
79
70
54
45
60
75
79
81
82
82
88
94
100
97
96

Medium Clouds (% Sky Obscured)

58
63
67
71
46
24
3
4
4
4
4
3
3
2
2
1
29
57
84
85
85
90
80
69

High Clouds (% Sky Obscured)

8
8
4
0
0
0
0
0
0
0
0
0
0
9
14
21
19
13
7
7
6
15
21
26

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 (%)

4
11
12
6
17
20
21
19
17
8
9
8
3
7
6
1
4
3
1
4
5
2
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
91
88
85
86
86
90
90
88
89
89
91
93
93
93
93
94
93
94
96
96
96
96

Pressure (mb)

1008
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009

Ozone (du)

444
443
443
443
443
438
434
429
428
427
426
426
427
428
430
433
436
443
450
458
455
453
451
451

Sunday 18

New Moon 0%

08:22

15:53

Sun - Rise: 08:01, Set: 16:33, Transit: 12:17. Moon - Rise: 08:22, Set: 15:53. Civil Dark: 17:10 - 07:23. Nautical Dark: 17:52 - 06:41. Astro Dark: 18:31 - 06:02

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 Marlborough, Wiltshire, United Kingdom (51.42,-1.73)

Generated: 12/01/26 07:35:30. Forecast: 12/01/26 to 18/01/26. Timezone: UTC+0.00