Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 30

Waxing Gibbous 95%

13:25

07:21

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
10 Bad
11 Bad

Sun - Rise: 07:45, Set: 16:53, Transit: 12:20. Moon - Rise: 13:25, Set: 07:21. Civil Dark: 17:29 - 07:09. Nautical Dark: 18:10 - 06:29. Astro Dark: 18:49 - 05:50

Total Clouds (% Sky Obscured)

57
69
76
81
100
100
100
80
100
100
96
94
82
77
76
61
71
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

26
48
66
81
87
92
100
80
100
100
93
88
72
63
59
47
50
55
64
64
68
62
63
46

Medium Clouds (% Sky Obscured)

57
69
76
81
99
81
51
2
40
52
33
29
54
36
35
17
37
100
100
100
100
100
50
100

High Clouds (% Sky Obscured)

57
69
76
81
16
2
0
0
0
0
0
0
0
0
0
3
52
70
75
79
89
97
90
100

ISS Passover

Visibility (miles)

9
9
4
4
3
8
9
9
9
9
6
9
9
2
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
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

Precipitation Probability (%)

0
13
77
95
85
68
46
30
28
14
22
24
16
26
22
21
18
9
18
5
5
4
9
15

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

10
13
15
14
18
19
19
18
18
19
19
20
19
18
17
16
15
14
12
13
12
12
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
82
88
90
91
94
93
90
87
93
94
93
94
94
93
90
90
88
93
91
91
91
88
85

Pressure (mb)

987
986
985
985
984
983
982
981
981
981
982
983
984
986
987
988
989
990
991
992
993
994
995
996

Ozone (du)

421
427
431
431
437
440
442
443
441
440
443
442
441
441
443
444
446
446
447
446
447
446
448
446

Saturday 31

Waxing Gibbous 99%

14:51

07:51

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
10 Bad
11 Bad

Sun - Rise: 07:43, Set: 16:55, Transit: 12:20. Moon - Rise: 14:51, Set: 07:51. Civil Dark: 17:31 - 07:07. Nautical Dark: 18:11 - 06:27. Astro Dark: 18:50 - 05:48

Total Clouds (% Sky Obscured)

100
100
100
100
100
98
95
92
93
91
91
47
54
88
100
100
100
100
100
100
100
100
94
94

Low Clouds (% Sky Obscured)

64
61
83
63
66
88
82
90
76
63
68
47
31
32
6
47
39
46
53
58
79
75
73
90

Medium Clouds (% Sky Obscured)

100
100
100
100
100
98
91
46
58
45
41
2
45
73
100
100
100
100
97
100
100
98
91
31

High Clouds (% Sky Obscured)

100
68
55
50
50
0
0
0
0
0
4
11
39
84
100
100
100
100
99
90
86
4
12
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
25
52
70
81
89
88
92
91
98
100
100
95

Precipitation Type

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

Precipitation Probability (%)

34
65
72
54
51
45
36
21
14
10
2
1
1
0
0
0
3
14
29
9
8
9
10
20

Precipitation Amount (mm)

0
0.3
0.4
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)

13
13
13
13
11
10
9
9
9
9
8
8
7
5
5
4
4
4
4
4
4
4
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
82
82
84
87
90
93
94
94
94
94
94
94
96
96
98
96
98
96
96
96
96
93
91

Pressure (mb)

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

Ozone (du)

445
439
439
440
437
449
471
465
477
467
426
417
411
405
401
394
390
388
387
381
377
378
380
381

Sunday 1

Full Moon 100%

16:21

08:12

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
10 Bad
11 Bad

Sun - Rise: 07:42, Set: 16:57, Transit: 12:20. Moon - Rise: 16:21, Set: 08:12. Civil Dark: 17:33 - 07:06. Nautical Dark: 18:13 - 06:26. Astro Dark: 18:52 - 05:47

Total Clouds (% Sky Obscured)

100
96
92
84
88
90
95
97
98
94
94
95
97
100
100
94
96
93
94
96
98
92
87
80

Low Clouds (% Sky Obscured)

100
92
76
68
71
78
90
92
92
61
86
87
92
100
100
90
90
80
85
90
96
90
83
73

Medium Clouds (% Sky Obscured)

32
19
17
9
10
8
90
93
91
63
88
58
12
84
100
92
93
88
82
79
78
77
71
65

High Clouds (% Sky Obscured)

15
0
1
15
15
15
15
15
15
15
10
15
15
15
15
15
10
15
15
19
20
15
10
15

ISS Passover

Visibility (miles)

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

Fog (%)

26
0
0
0
0
0
34
27
9
23
94
81
84
84
84
84
84
84
84
84
84
84
84
84

Precipitation Type

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

Precipitation Probability (%)

21
30
27
11
41
45
33
34
32
22
6
27
36
71
81
48
29
15
11
27
52
32
8
3

Precipitation Amount (mm)

0
0
0
0
0.3
0.3
0
0
0
0
0
0
0
0.5
0.7
0
0
0
0
0
0.3
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1004
1003
1003
1003
1003
1002
1002
1002
1002
1002
1001
1001
1000
999
999
998
997
997
996
996
996
995
995
995

Ozone (du)

380
376
375
375
372
370
370
369
371
371
373
372
369
368
368
366
366
366
365
366
366
367
368
367

Monday 2

Waning Gibbous 98%

17:49

08:28

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
10 Bad
11 Bad

Sun - Rise: 07:40, Set: 16:59, Transit: 12:20. Moon - Rise: 17:49, Set: 08:28. Civil Dark: 17:34 - 07:04. Nautical Dark: 18:14 - 06:25. Astro Dark: 18:53 - 05:46

Total Clouds (% Sky Obscured)

86
89
93
95
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

75
85
91
84
76
69
77
85
94
94
95
96
97
99
100
97
95
92
93
95
97
98
99
100

Medium Clouds (% Sky Obscured)

55
55
55
50
55
55
70
87
100
100
100
100
100
100
65
72
87
85
100
100
100
100
99
98

High Clouds (% Sky Obscured)

10
10
10
40
70
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
70
43
15

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
9
9
9
9
9
9
9
9
9
9
9
9
3
3
1
1
4

Fog (%)

84
84
84
84
84
84
84
84
84
84
84
84
84
84
84
84
84
84
84
84
84
84
84
84

Precipitation Type

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

Precipitation Probability (%)

4
8
9
20
25
41
42
27
30
35
32
33
44
55
64
75
84
92
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.4
0.5
0.5
0.8
1.1
1.2
1.5
1.1
1.1

Wind Speed/Direction (mph)

13
14
14
14
14
14
15
14
14
15
15
16
17
17
17
17
17
16
15
14
12
10
8
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
84
84
84
84
82
83
85
86
88
90
88
90
91
93
91
93
91
94
94
96
98
98
93

Pressure (mb)

994
993
992
992
991
991
991
991
990
990
990
990
989
989
989
988
988
988
988
989
989
989
990
990

Ozone (du)

366
365
364
363
363
362
364
366
368
368
370
370
372
375
377
376
378
380
382
383
387
391
399
401

Tuesday 3

Waning Gibbous 94%

19:12

08:40

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
10 Bad
11 Bad

Sun - Rise: 07:38, Set: 17:00, Transit: 12:20. Moon - Rise: 19:12, Set: 08:40. Civil Dark: 17:36 - 07:03. Nautical Dark: 18:16 - 06:23. Astro Dark: 18:55 - 05:44

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
93
90
90
93
93
96
95
94
94
93
93
93
90
88
86
86
85
81

Low Clouds (% Sky Obscured)

98
96
93
87
85
77
84
88
90
91
91
91
90
89
88
77
67
57
61
65
69
71
72
75

Medium Clouds (% Sky Obscured)

99
99
100
96
78
62
40
20
3
16
28
37
33
31
35
50
65
80
85
88
86
86
78
64

High Clouds (% Sky Obscured)

24
32
51
65
76
91
46
20
15
10
2
1
4
7
14
33
56
70
77
75
69
45
36
34

ISS Passover

Visibility (miles)

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

Fog (%)

84
84
84
84
84
84
84
84
84
84
84
84
84
84
84
84
84
84
84
84
84
84
84
84

Precipitation Type

Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
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 (%)

95
78
73
61
49
41
43
37
16
26
29
23
54
57
58
55
48
34
30
30
2
14
25
36

Precipitation Amount (mm)

0.6
0.4
0.4
0.3
0
0
0
0
0
0
0
0
0
0.2
0.2
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
8
7
7
7
7
6
6
7
7
8
8
10
12
14
16
15
14
13
13
12
12
13
14

Chance of Frost

Temperature (°C)

6
6
7
7
7
6
6
6
6
6
6
6
7
7
7
7
7
7
6
6
6
6
7
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
91
87
88
91
93
94
93
94
93
91
85
87
90
91
90
90
90
90
91
91
90
90

Pressure (mb)

991
991
991
991
992
992
993
993
994
994
994
994
994
994
994
994
994
994
994
994
994
994
994
994

Ozone (du)

404
412
414
417
421
426
430
437
437
438
437
441
443
447
451
455
465
474
484
483
481
480
468
456

Wednesday 4

Waning Gibbous 88%

20:31

08:52

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
10 Bad
11 Bad

Sun - Rise: 07:37, Set: 17:02, Transit: 12:20. Moon - Rise: 20:31, Set: 08:52. Civil Dark: 17:38 - 07:01. Nautical Dark: 18:18 - 06:22. Astro Dark: 18:56 - 05:43

Total Clouds (% Sky Obscured)

88
94
100
100
100
100
100
100
100
100
100
100
100
100
100
98
95
92
95
97
100
100
100
100

Low Clouds (% Sky Obscured)

83
92
100
95
93
89
92
91
90
80
79
79
86
91
93
89
85
81
83
85
87
91
96
100

Medium Clouds (% Sky Obscured)

74
86
99
92
84
77
81
89
96
93
90
87
77
69
65
63
64
65
53
38
21
19
21
23

High Clouds (% Sky Obscured)

53
75
100
100
100
100
71
40
15
15
10
10
16
21
27
22
16
18
41
60
75
64
52
41

ISS Passover

Visibility (miles)

4
6
8
9
9
9
9
9
9
9
7
5
3
5
7
9
6
3
0
3
6
9
9
9

Fog (%)

84
84
84
84
84
84
84
84
84
84
84
84
84
84
84
84
84
84
84
84
84
84
84
84

Precipitation Type

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

Precipitation Probability (%)

41
52
63
55
41
12
17
22
25
38
55
79
90
95
94
76
55
30
33
32
23
23
23
23

Precipitation Amount (mm)

0
0.2
0.4
0.3
0
0
0
0
0
0
0
0.3
0.6
0.7
0.8
0.4
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
88
90
88
88
87
85
84
85
87
87
90
93
96
94
96
96
96
96
94
91
90

Pressure (mb)

994
993
993
992
992
992
992
991
991
991
990
990
989
989
989
989
988
988
988
988
989
989
989
989

Ozone (du)

445
449
453
457
452
447
443
440
436
433
431
428
425
427
429
431
433
435
436
433
430
427
424
421

Thursday 5

Waning Gibbous 81%

21:47

09:02

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: 07:35, Set: 17:04, Transit: 12:20. Moon - Rise: 21:47, Set: 09:02. Civil Dark: 17:39 - 07:00. Nautical Dark: 18:19 - 06:20. Astro Dark: 18:58 - 05:41

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
99
98
98
94
90
87
91
94
97

Low Clouds (% Sky Obscured)

100
100
100
97
94
92
92
93
93
93
92
92
88
84
81
82
86
89

Medium Clouds (% Sky Obscured)

47
71
94
96
97
99
99
100
100
99
97
94
72
48
19
16
13
9

High Clouds (% Sky Obscured)

42
35
33
53
78
100
100
100
100
83
67
35
23
22
26
16
11
7

ISS Passover

Visibility (miles)

9
7
5
4
5
7
8
6
3
0
0
0
0
3
6
9
9
9

Fog (%)

84
84
84
84
84
84
84
84
84
84
84
84
84
84
84
84
84
84

Precipitation Type

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

Precipitation Probability (%)

49
70
89
91
88
80
90
95
95
95
84
69
56
41
24
27
29
31

Precipitation Amount (mm)

0
0.3
0.5
0.5
0.5
0.3
0.5
0.7
0.9
0.7
0.5
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
14
14
14
14
14
14
14
13
13
12
12
11
10
10
9
9
10

Chance of Frost

Temperature (°C)

8
9
8
8
8
8
8
8
8
8
8
8
8
8
8
9
8
8

Feels Like (°C)

4
5
5
5
5
5
5
4
4
4
4
4
4
5
5
5
5
5

Dew Point (°C)

7
7
7
8
8
8
8
8
8
8
8
8
8
8
8
8
8
7

Relative Humidity (%)

90
91
93
96
96
96
96
96
96
98
96
96
98
96
95
93
95
93

Pressure (mb)

989
989
988
988
987
987
987
987
987
987
987
987
987
987
987
988
988
988

Ozone (du)

417
415
413
411
410
409
407
408
409
410
413
415
418
420
421
423
423
422

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

Generated: 30/01/26 12:35:32. Forecast: 30/01/26 to 05/02/26. Timezone: UTC+0.00