Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 9

Waning Gibbous 54%

00:08

10:45

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
03 Bad
04 Bad
05 OK
06 OK

Sun - Rise: 08:09, Set: 16:19, Transit: 12:14. Moon - Rise: 00:08, Set: 10:45. Civil Dark: 16:58 - 07:30. Nautical Dark: 17:40 - 06:47. Astro Dark: 18:20 - 06:07

Total Clouds (% Sky Obscured)

91
93
95
100
100
100
100
100
100
100
100
100
97
83
85
81
78
93
91
78
45
46
43
30

Low Clouds (% Sky Obscured)

82
75
81
81
68
77
60
79
88
76
88
81
80
70
83
79
68
64
63
50
42
46
43
30

Medium Clouds (% Sky Obscured)

91
93
95
100
100
100
100
100
100
100
100
96
85
46
15
19
21
56
46
32
2
0
0
0

High Clouds (% Sky Obscured)

58
93
95
100
95
94
94
45
58
68
57
55
60
65
70
75
63
56
29
7
4
4
0
0

ISS Passover

Visibility (miles)

0
0
0
9
0
0
0
0
9
9
8
0
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
20
17
17
15
3
3
8
8
7
14
7
3
5
10
1
0
0
0
0
0
0
0

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)

21
19
18
17
17
18
19
18
17
16
16
14
13
14
13
13
13
12
10
9
8
7
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-6
-5
-5
-4
-4
-4
-3
-3
-3
-3
-4
-4
-4
-4
-4
-4
-5
-5
-4
-4
-3
-4
-3
-2

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
96
96
94
96
96
91
94
94
96
94
91
94
94
91
91
91
94
96
96
96
96

Pressure (mb)

993
994
995
997
997
998
998
999
1000
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1011
1012
1013

Ozone (du)

382
374
381
385
387
386
391
392
391
396
400
396
392
386
387
386
387
380
387
392
390
387
382
379

Saturday 10

Third Quarter 44%

01:21

10:56

07 OK
08 Good
09 Good
10 OK
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

Sun - Rise: 08:08, Set: 16:20, Transit: 12:14. Moon - Rise: 01:21, Set: 10:56. Civil Dark: 16:59 - 07:29. Nautical Dark: 17:41 - 06:47. Astro Dark: 18:21 - 06:07

Total Clouds (% Sky Obscured)

19
0
6
32
84
49
58
84
75
83
96
92
85
82
82
94
95
96
91
89
88
100
95
97

Low Clouds (% Sky Obscured)

19
0
6
22
70
49
36
47
49
58
41
76
71
68
78
89
89
84
83
69
70
54
74
76

Medium Clouds (% Sky Obscured)

0
0
0
12
23
0
0
51
37
37
50
45
33
9
3
17
66
71
65
64
83
92
93
94

High Clouds (% Sky Obscured)

0
0
0
0
0
3
28
2
4
45
55
59
47
49
48
36
36
13
9
38
20
100
23
37

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
0
0
0
0
0
0
0
0
4
1
0
0
0
0
1
0
0
0
0
0
0

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
3
2
3
3
3
2
2
2
2
2
3
3
4
5
5
6
6
7
8
9
10
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
89
84
80
76
74
74
82
86
88
88
88
86
84
86
88
89
88
86
86
89
89
88

Pressure (mb)

1013
1014
1015
1016
1016
1016
1017
1017
1018
1018
1019
1019
1020
1020
1020
1021
1021
1021
1021
1021
1020
1019
1019
1018

Ozone (du)

378
374
370
366
363
360
356
353
348
344
339
338
337
332
325
319
316
316
317
318
316
311
310
307

Sunday 11

Waning Crescent 35%

02:34

11:09

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
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:07, Set: 16:22, Transit: 12:15. Moon - Rise: 02:34, Set: 11:09. Civil Dark: 17:00 - 07:29. Nautical Dark: 17:42 - 06:46. Astro Dark: 18:23 - 06:06

Total Clouds (% Sky Obscured)

98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
93
93
94
95
97
98
100
100

Low Clouds (% Sky Obscured)

77
68
71
80
78
88
100
100
100
100
100
99
97
100
100
94
73
76
83
81
79
75
61
65

Medium Clouds (% Sky Obscured)

97
98
100
100
81
80
100
100
100
100
100
100
100
100
62
36
23
40
16
11
20
48
29
24

High Clouds (% Sky Obscured)

44
100
100
61
100
100
100
100
100
100
100
100
100
100
38
10
20
35
54
69
78
88
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
4
9
1
0
0
1
0
0
0
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
Light Rain
Very Light Rain
None
None
None
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
2
6
6
19
73
64
41
47
33
95
95
73
70
54
85
38
29
20
23
19
13
16
5

Precipitation Amount (mm)

0
0
0
0
0
0.5
0.3
0
0
0
0.9
0.9
0.3
0.3
0
0.6
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
15
16
18
19
20
21
22
23
23
22
23
21
22
22
22
20
16
15
15
16
15
14
14

Chance of Frost

Temperature (°C)

1
2
3
3
4
5
5
5
5
5
5
6
6
7
8
8
9
9
9
10
10
10
9
9

Feels Like (°C)

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

Dew Point (°C)

-1
0
1
2
2
3
4
4
4
5
5
5
6
6
7
8
7
8
8
8
8
7
8
8

Relative Humidity (%)

86
88
89
89
88
88
93
94
94
96
98
96
96
96
96
95
90
93
93
90
88
85
90
93

Pressure (mb)

1018
1017
1016
1016
1015
1013
1012
1011
1010
1009
1008
1007
1006
1005
1004
1003
1003
1003
1003
1002
1002
1002
1001
1001

Ozone (du)

307
307
310
313
314
317
315
314
312
312
311
311
312
315
319
322
322
318
315
313
313
311
313
316

Monday 12

Waning Crescent 35%

03:47

11:24

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
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:07, Set: 16:23, Transit: 12:15. Moon - Rise: 03:47, Set: 11:24. Civil Dark: 17:02 - 07:28. Nautical Dark: 17:44 - 06:46. Astro Dark: 18:24 - 06:06

Total Clouds (% Sky Obscured)

100
100
100
100
100
91
84
80
47
64
64
95
97
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

65
64
64
62
60
61
64
69
47
64
64
69
64
77
74
73
76
83
90
96
93
89
86
88

Medium Clouds (% Sky Obscured)

48
51
91
97
100
78
16
0
0
0
0
0
0
29
53
77
100
100
100
100
97
91
86
87

High Clouds (% Sky Obscured)

100
100
100
100
96
60
32
0
0
0
1
43
72
100
100
100
100
100
100
100
100
96
100
100

ISS Passover

Visibility (miles)

9
9
9
9
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
0
0
0

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
Light Rain
Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

5
3
5
23
34
17
34
37
32
23
0
2
2
1
3
4
2
6
16
41
82
74
69
64

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.6
0.4
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
91
90
88
88
90
85
84
90
91
93
95
96
96
96
96
96
96
95
95
98
98
98

Pressure (mb)

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

Ozone (du)

317
318
323
329
333
334
341
344
339
331
325
323
324
326
326
323
324
323
322
321
320
320
321
321

Tuesday 13

Waning Crescent 26%

04:59

11:43

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
03 Bad
04 Bad
05 Bad
06 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
90
80
70
98
99
100
93
85
77
83
90
96
91
87
82
86

Low Clouds (% Sky Obscured)

90
91
88
84
83
80
79
77
74
72
69
77
74
71
73
75
77
81
84
87
85
84
82
82

Medium Clouds (% Sky Obscured)

91
95
97
98
100
80
64
46
21
43
40
98
98
98
93
85
77
51
34
19
13
8
1
5

High Clouds (% Sky Obscured)

99
98
100
100
100
100
100
100
73
47
20
70
77
100
69
37
6
15
24
31
18
6
0
0

ISS Passover

Visibility (miles)

2
1
1
1
0
0
1
4
9
9
3
9
8
6
5
6
8
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
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

60
57
63
71
78
72
60
44
42
33
10
29
43
55
58
59
51
37
24
14
15
16
15
13

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
14
15
15
16
17
17
17
18
17
15
14
13
13
13
13
13
13
13
13
14
14
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
95
96
98
96
96
96
95
93
95
95
95
93
93
91
90
87
88
90
91
87
84
81

Pressure (mb)

1000
1000
1000
1000
1000
1000
999
999
999
999
999
999
999
999
999
999
999
999
1000
1000
1000
1001
1001
1002

Ozone (du)

325
328
330
335
338
340
341
342
347
347
350
351
352
354
356
356
357
358
360
362
364
369
374
378

Wednesday 14

Waning Crescent 18%

06:06

12:09

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
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 08:05, Set: 16:26, Transit: 12:16. Moon - Rise: 06:06, Set: 12:09. Civil Dark: 17:05 - 07:27. Nautical Dark: 17:46 - 06:44. Astro Dark: 18:26 - 06:04

Total Clouds (% Sky Obscured)

89
93
93
94
95
85
76
67
74
80
86
92
96
98
98
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

80
76
62
51
40
43
51
59
61
62
64
65
68
77
79
72
62
66
70
73
78
84
89
90

Medium Clouds (% Sky Obscured)

6
8
29
49
69
65
59
44
53
53
54
58
62
65
76
88
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
1
1
0
0
0
0
11
23
31
27
33
39
62
77
98
99
100
100
100
100
100
77

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
8
8
9
9
9
9
9
9
9
9
8
6
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

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
Light Rain

Precipitation Probability (%)

9
0
4
8
8
9
11
11
27
38
47
48
43
25
18
10
2
23
28
22
60
82
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.7
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
85
86
83
82
81
82
84
85
88
90
93
91
91
90
91
93
94
96
94
96
96
96
94

Pressure (mb)

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

Ozone (du)

368
358
348
345
343
340
344
348
352
355
357
360
360
360
360
359
359
359
360
360
361
357
353
349

Thursday 15

Waning Crescent 11%

07:03

12:46

Sun - Rise: 08:04, Set: 16:28, Transit: 12:16. Moon - Rise: 07:03, Set: 12:46. Civil Dark: 17:06 - 07:26. Nautical Dark: 17:48 - 06:44. Astro Dark: 18:28 - 06:04

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: 09/01/26 07:15:13. Forecast: 09/01/26 to 15/01/26. Timezone: UTC+0.00