Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 20

Waxing Crescent 3%

09:19

18:31

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
08 Bad
09 Bad

Sun - Rise: 07:58, Set: 16:36, Transit: 12:18. Moon - Rise: 09:19, Set: 18:31. Civil Dark: 17:13 - 07:21. Nautical Dark: 17:55 - 06:40. Astro Dark: 18:34 - 06:00

Total Clouds (% Sky Obscured)

89
93
95
75
91
91
100
100
98
88
100
100
99
100
100
100
93
75
62
76
84
83
100
100

Low Clouds (% Sky Obscured)

60
40
57
65
72
83
72
94
86
80
87
86
82
76
72
65
68
70
62
64
72
82
68
64

Medium Clouds (% Sky Obscured)

8
0
9
19
12
23
45
100
79
77
100
100
98
100
100
88
86
31
2
29
51
40
100
100

High Clouds (% Sky Obscured)

89
93
95
7
86
80
100
99
92
61
98
100
62
99
8
0
0
0
4
0
0
35
54
72

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
4
5
3
3
2
2
3
2
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
5
56
90
95
95
95
95
95
95
95
30
9
3
14
2
16
31
51
76

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.7
0.9
1
1.7
1.9
2.2
2.2
1.3
0
0
0
0
0
0
0
0
0.3

Wind Speed/Direction (mph)

17
19
19
22
21
21
22
22
22
22
21
20
16
12
9
7
7
6
6
8
9
10
13
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
85
84
84
84
85
85
85
90
93
93
93
94
94
98
96
93
94
94
94
94
91
88
96

Pressure (mb)

1008
1008
1007
1006
1005
1004
1004
1003
1002
1001
1001
1000
1000
998
998
998
998
997
996
996
995
994
993
992

Ozone (du)

343
338
334
330
326
328
333
332
330
328
332
338
337
343
359
364
376
370
368
368
371
373
370
373

Wednesday 21

Waxing Crescent 8%

09:31

19:50

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
08 Bad
09 Bad

Sun - Rise: 07:57, Set: 16:38, Transit: 12:18. Moon - Rise: 09:31, Set: 19:50. Civil Dark: 17:15 - 07:20. Nautical Dark: 17:56 - 06:39. Astro Dark: 18:36 - 05:59

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
92
100
94
92
94
99
97
100
96
92
99
100
100
99
100
98
94
97

Low Clouds (% Sky Obscured)

83
96
100
100
100
88
84
87
87
85
90
98
93
99
90
86
94
91
89
87
85
94
89
94

Medium Clouds (% Sky Obscured)

100
100
100
77
100
75
74
100
76
81
86
60
29
63
53
34
50
53
55
56
78
44
32
35

High Clouds (% Sky Obscured)

96
100
100
100
96
100
72
90
37
20
6
25
47
60
56
6
6
22
17
0
90
3
1
2

ISS Passover

Visibility (miles)

4
2
5
4
4
6
7
9
5
9
9
7
9
9
9
9
9
9
9
9
6
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
None
Very Light Rain
Very Light Rain
None
Light Rain
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None
None
None

Precipitation Probability (%)

95
95
95
95
73
58
61
70
57
72
36
40
27
15
25
30
14
16
27
47
48
31
31
38

Precipitation Amount (mm)

1.6
1.8
1.3
0.8
0.5
0
0.2
0.3
0
0.5
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0

Wind Speed/Direction (mph)

17
20
23
21
22
20
20
20
20
20
18
19
18
18
16
15
15
14
14
13
14
15
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
93
93
93
93
93
95
95
93
95
93
91
93
93
91
90
90
88
91
90
91
91
90
91

Pressure (mb)

990
989
987
986
986
985
985
985
985
986
986
986
986
986
986
986
987
987
987
987
987
987
987
987

Ozone (du)

375
378
380
381
378
373
366
364
361
358
355
353
354
355
356
359
362
363
367
369
374
376
377
378

Thursday 22

Waxing Crescent 15%

09:43

21:09

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
08 Bad
09 Bad

Sun - Rise: 07:56, Set: 16:39, Transit: 12:18. Moon - Rise: 09:43, Set: 21:09. Civil Dark: 17:16 - 07:19. Nautical Dark: 17:57 - 06:38. Astro Dark: 18:37 - 05:58

Total Clouds (% Sky Obscured)

100
97
100
93
97
100
98
97
75
71
62
78
100
93
90
72
66
73
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

91
94
92
88
92
86
97
97
66
71
62
58
61
59
73
60
43
73
80
100
95
91
86
86

Medium Clouds (% Sky Obscured)

45
51
100
34
97
98
86
29
20
9
15
20
18
10
80
72
66
70
92
81
87
94
100
100

High Clouds (% Sky Obscured)

68
43
20
3
15
0
0
85
56
28
12
78
87
15
15
15
15
15
100
15
43
73
100
100

ISS Passover

Visibility (miles)

9
9
9
9
6
6
7
9
9
9
9
9
9
9
9
9
9
9
9
9
3
1
1
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
Light Rain
Very Light Rain
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

38
36
38
51
68
65
64
73
49
33
25
17
7
3
2
4
23
28
37
88
95
95
95
87

Precipitation Amount (mm)

0
0
0
0
0.4
0.3
0.3
0.6
0
0
0
0
0
0
0
0
0
0
0
0.6
0.9
0.7
1.2
0.7

Wind Speed/Direction (mph)

18
17
16
14
12
11
14
14
12
11
10
11
13
13
14
14
13
12
12
14
16
17
17
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
88
88
90
90
93
91
94
96
96
94
93
94
94
93
90
91
89
90
93
94
96
93

Pressure (mb)

987
987
987
986
986
986
987
987
987
987
987
987
987
986
986
987
987
986
986
985
985
985
985
985

Ozone (du)

375
377
378
380
380
378
379
384
390
381
377
372
369
368
371
373
372
372
374
376
376
377
378
380

Friday 23

Waxing Crescent 23%

09:54

22:28

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
08 Bad
09 Bad

Sun - Rise: 07:55, Set: 16:41, Transit: 12:18. Moon - Rise: 09:54, Set: 22:28. Civil Dark: 17:18 - 07:18. Nautical Dark: 17:59 - 06:37. Astro Dark: 18:38 - 05:57

Total Clouds (% Sky Obscured)

100
94
100
70
79
99
79
77
69
56
50
46
67
100
100
99
99
98
98
98
96
94
93
88

Low Clouds (% Sky Obscured)

70
66
79
70
79
99
79
77
69
56
50
46
67
74
82
93
92
92
93
94
82
88
85
80

Medium Clouds (% Sky Obscured)

100
84
47
38
32
29
21
17
10
4
0
12
24
78
84
69
61
61
78
49
72
82
82
77

High Clouds (% Sky Obscured)

96
90
94
70
72
48
24
0
0
0
0
2
3
17
16
2
1
4
21
10
14
12
5
8

ISS Passover

Visibility (miles)

9
9
7
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 (%)

36
36
30
26
18
24
19
20
16
12
3
7
7
7
9
11
10
14
19
9
10
15
4
8

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)

14
15
17
17
18
17
17
17
17
18
19
19
20
19
19
18
17
15
15
14
13
12
13
13

Chance of Frost

Temperature (°C)

6
6
7
7
7
6
6
6
5
5
5
5
5
5
5
5
6
6
5
5
5
5
5
5

Feels Like (°C)

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

Dew Point (°C)

5
4
4
4
4
4
4
4
4
4
3
3
3
3
3
4
4
3
3
3
3
4
3
3

Relative Humidity (%)

93
84
85
84
84
85
86
88
88
90
86
86
86
88
88
90
86
83
82
86
88
93
91
89

Pressure (mb)

985
986
986
986
986
986
986
986
986
987
987
987
988
988
989
989
990
990
991
991
992
993
993
994

Ozone (du)

384
384
388
391
394
396
398
401
405
408
412
412
413
413
411
411
408
408
406
404
403
404
406
408

Saturday 24

Waxing Crescent 34%

09:54

23:50

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
08 Bad
09 Bad

Sun - Rise: 07:53, Set: 16:43, Transit: 12:19. Moon - Rise: 09:54, Set: 23:50. Civil Dark: 17:20 - 07:16. Nautical Dark: 18:00 - 06:36. Astro Dark: 18:40 - 05:56

Total Clouds (% Sky Obscured)

83
79
75
59
66
64
66
68
75
83
87
92
90
92
97
98
98
99
99
100
100
100
99
99

Low Clouds (% Sky Obscured)

68
65
65
55
64
64
64
68
72
77
83
86
89
92
92
92
88
91
90
89
93
96
99
99

Medium Clouds (% Sky Obscured)

62
18
13
6
0
0
0
2
39
50
30
34
36
42
34
28
30
52
74
96
92
89
86
81

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
26
49
74
58
42
24
13

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
Very Light Rain
None

Precipitation Probability (%)

5
10
4
12
2
5
6
5
12
16
15
25
29
30
47
39
31
34
38
41
40
43
48
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
0.2
0

Wind Speed/Direction (mph)

14
15
16
15
15
14
14
14
14
14
14
15
15
15
15
14
13
13
13
12
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
4
3
4
4
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
4

Relative Humidity (%)

88
85
76
85
81
81
85
86
88
89
88
91
93
93
94
94
96
94
94
94
93
93
91
93

Pressure (mb)

994
994
994
994
994
994
994
994
994
995
995
995
995
995
994
994
994
994
994
994
994
994
995
995

Ozone (du)

410
410
411
412
414
414
417
419
420
421
425
427
429
430
430
431
432
433
433
434
435
433
432
430

Sunday 25

Waxing Crescent 45%

10:08

01:15

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
08 Bad
09 Bad

Sun - Rise: 07:52, Set: 16:44, Transit: 12:19. Moon - Rise: 10:08, Set: 01:15. Civil Dark: 17:21 - 07:15. Nautical Dark: 18:02 - 06:35. Astro Dark: 18:41 - 05:55

Total Clouds (% Sky Obscured)

99
100
98
97
96
97
99
100
98
97
97
86
78
69
80
80
89
92
93
96
95
93
91
87

Low Clouds (% Sky Obscured)

99
100
96
92
88
92
96
99
97
94
91
81
70
58
62
67
75
74
74
75
75
76
77
77

Medium Clouds (% Sky Obscured)

72
59
54
52
53
38
27
15
38
65
89
81
71
63
47
32
23
24
27
29
19
14
9
7

High Clouds (% Sky Obscured)

7
3
2
1
1
1
1
1
2
1
4
3
2
2
1
1
0
0
0
0
0
0
0
2

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 (%)

32
25
34
37
38
32
28
26
23
20
19
18
15
4
9
8
1
2
3
1
3
2
1
4

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
88
85
83
85
83
85
86
86
86
88
88
88
89
88
86
88
86
86
86
86
83
80
77

Pressure (mb)

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

Ozone (du)

429
428
426
425
424
424
421
418
415
413
411
408
405
401
398
399
399
400
403
405
408
407
407
406

Monday 26

First Quarter 57%

10:25

02:44

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

Sun - Rise: 07:51, Set: 16:46, Transit: 12:19. Moon - Rise: 10:25, Set: 02:44. Civil Dark: 17:23 - 07:14. Nautical Dark: 18:03 - 06:34. Astro Dark: 18:43 - 05:54

Total Clouds (% Sky Obscured)

84
81
86
92
97
93
88
84
84
83
85
88
90
92
92
93
94
92
91
89

Low Clouds (% Sky Obscured)

76
76
82
88
94
90
87
84
83
82
81
82
83
84
76
69
61
50
41
32

Medium Clouds (% Sky Obscured)

5
3
4
5
6
15
24
35
53
73
84
77
70
63
71
78
82
81
80
83

High Clouds (% Sky Obscured)

5
7
10
8
5
2
5
17
12
7
1
1
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

Fog (%)

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

Precipitation Probability (%)

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

Precipitation Amount (mm)

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
8
8
8
8
8
7
7
6
7
7
8
8
8
8
7
7
7
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-2
-2
-3
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-3

Relative Humidity (%)

76
72
69
70
72
73
76
78
81
81
81
83
84
87
91
87
87
86
87
87

Pressure (mb)

1003
1003
1003
1003
1002
1002
1001
1001
1001
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000

Ozone (du)

406
405
405
404
404
404
404
404
404
407
410
413
416
420
423
428
432
437
434
432

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

Generated: 20/01/26 09:43:43. Forecast: 20/01/26 to 26/01/26. Timezone: UTC+0.00