Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 31

Waxing Gibbous 99%

14:39

07:49

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 OK
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

Sun - Rise: 07:39, Set: 16:46, Transit: 12:13. Moon - Rise: 14:39, Set: 07:49. Civil Dark: 17:22 - 07:02. Nautical Dark: 18:03 - 06:22. Astro Dark: 18:43 - 05:42

Total Clouds (% Sky Obscured)

43
55
65
63
100
45
57
46
68
61
82
76
92
94
72
90
72
56
82
94
89
95
98
98

Low Clouds (% Sky Obscured)

37
55
57
57
36
31
49
37
56
51
57
63
64
75
63
61
67
56
73
76
69
64
76
78

Medium Clouds (% Sky Obscured)

43
55
35
10
65
20
53
10
14
61
82
76
92
86
72
88
15
3
8
77
83
93
95
95

High Clouds (% Sky Obscured)

43
32
33
30
16
36
30
8
32
35
2
0
0
0
0
0
0
4
55
76
62
58
60
65

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
1
3
3
8
2
0
0
0
1
1
1
0
0
0
0
0
0
0
6

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
3
4
5
5
8
5
5
5
3
2
2
2
2
2
2
1
3
3
2
2
2
2
3

Dew Point (°C)

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

Relative Humidity (%)

93
90
87
84
80
80
80
84
88
91
93
93
94
94
94
93
94
94
94
94
96
96
96
98

Pressure (mb)

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

Ozone (du)

461
462
462
461
459
459
453
446
442
437
451
476
481
475
479
449
429
417
410
403
402
401
400
398

Sunday 1

Full Moon 100%

16:10

08:08

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
08 Bad

Sun - Rise: 07:37, Set: 16:48, Transit: 12:13. Moon - Rise: 16:10, Set: 08:08. Civil Dark: 17:24 - 07:01. Nautical Dark: 18:05 - 06:20. Astro Dark: 18:45 - 05:41

Total Clouds (% Sky Obscured)

95
92
94
93
97
93
91
92
94
96
90
95
90
98
91
93
82
85
85
90
90
89
95
92

Low Clouds (% Sky Obscured)

77
69
76
84
89
71
35
32
51
70
71
75
81
71
73
77
75
85
85
90
90
76
75
81

Medium Clouds (% Sky Obscured)

87
86
85
86
92
75
88
92
94
93
87
64
42
60
46
52
32
38
60
55
44
55
70
62

High Clouds (% Sky Obscured)

60
55
37
3
4
3
4
39
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
7
9
9
9
4
4
7
6
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
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
1
3
20
26
26
21
41
79
81
67
57
45
26
13
4
6
16
14
21
17
5
9

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.6
0.6
0.6
0.4
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
91
88
84
81
82
87
88
88
93
94
94
93
90
91
91
94
93
93
91
91
91
94
94

Pressure (mb)

1003
1003
1003
1003
1003
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1001
1001
1001
1000
1000
999
999
999
999

Ozone (du)

397
393
390
383
383
383
380
382
383
386
391
389
388
386
387
389
388
388
383
382
382
378
377
375

Monday 2

Waning Gibbous 98%

17:39

08:23

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
08 Bad

Sun - Rise: 07:36, Set: 16:49, Transit: 12:13. Moon - Rise: 17:39, Set: 08:23. Civil Dark: 17:26 - 06:59. Nautical Dark: 18:07 - 06:19. Astro Dark: 18:46 - 05:39

Total Clouds (% Sky Obscured)

97
100
87
98
89
94
90
95
100
99
98
99
99
100
96
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

90
100
74
95
88
93
90
95
100
98
93
83
85
95
92
100
100
100
100
100
100
99
99
98

Medium Clouds (% Sky Obscured)

55
34
35
13
1
8
15
17
28
55
54
60
75
80
80
80
80
80
75
70
70
70
50
50

High Clouds (% Sky Obscured)

1
4
35
45
56
58
57
81
57
53
50
57
49
58
47
52
78
71
90
100
82
88
93
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
8
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

5
1
0
0
0
2
4
5
4
3
3
0
2
8
25
32
49
53
61
64
65
49
41
25

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0
0
0

Wind Speed/Direction (mph)

7
9
10
11
12
13
13
13
13
13
13
13
14
14
15
16
17
17
18
17
17
17
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
88
84
84
85
87
90
91
87
86
86
90
88
86
88
91
90
91
91
91
89
89

Pressure (mb)

999
999
999
998
997
996
996
996
996
996
996
996
995
995
995
995
995
994
994
994
994
994
994
994

Ozone (du)

375
372
371
370
367
366
366
368
369
369
371
371
371
372
373
374
373
372
371
371
372
373
374
374

Tuesday 3

Waning Gibbous 94%

19:04

08:34

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
08 Bad

Sun - Rise: 07:34, Set: 16:51, Transit: 12:14. Moon - Rise: 19:04, Set: 08:34. Civil Dark: 17:28 - 06:58. Nautical Dark: 18:08 - 06:17. Astro Dark: 18:48 - 05:38

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
99
100
100
100
100
98
87
100
100
100
100
100
100
97
85
67

Low Clouds (% Sky Obscured)

99
99
100
100
100
100
97
93
90
93
97
100
100
98
87
100
100
100
97
90
92
96
83
59

Medium Clouds (% Sky Obscured)

64
79
93
95
96
98
98
97
96
94
92
89
91
82
67
93
92
92
90
86
80
29
27
20

High Clouds (% Sky Obscured)

100
100
100
95
100
99
81
62
47
32
29
20
0
0
1
1
0
1
20
30
25
1
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

46
82
95
90
51
49
86
95
77
80
78
73
60
55
48
46
41
31
29
25
19
18
14
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

16
15
15
14
14
13
12
11
10
9
7
10
12
12
9
6
5
5
5
6
7
8
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
93
91
91
93
93
94
96
96
96
98
94
89
89
91
93
94
94
96
96
98
93
91
94

Pressure (mb)

994
994
994
994
994
993
993
993
993
993
993
994
994
994
995
995
995
995
995
995
996
996
996
996

Ozone (du)

375
375
375
375
375
376
378
380
379
381
384
392
399
405
407
408
409
412
413
413
417
422
425
428

Wednesday 4

Waning Gibbous 88%

20:24

08:45

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
08 Bad

Sun - Rise: 07:32, Set: 16:53, Transit: 12:14. Moon - Rise: 20:24, Set: 08:45. Civil Dark: 17:29 - 06:56. Nautical Dark: 18:10 - 06:16. Astro Dark: 18:49 - 05:36

Total Clouds (% Sky Obscured)

74
75
71
73
92
90
89
88
86
86
87
85
77
72
91
84
78
73
77
78
81
85
90
94

Low Clouds (% Sky Obscured)

63
68
68
72
75
83
85
79
76
76
76
75
66
56
50
50
50
51
57
63
69
77
85
93

Medium Clouds (% Sky Obscured)

15
13
11
9
25
40
45
48
45
46
30
7
28
25
36
34
29
21
25
28
17
20
31
40

High Clouds (% Sky Obscured)

0
0
1
1
25
30
20
15
15
15
20
25
11
1
25
18
16
11
7
3
6
17
27
43

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
3
1
1
0
0
1
1
1
2
3
2
6
5
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
90
85
81
79
79
81
84
90
91
93
93
94
94
94
94
94
94
94
93
93
93
93
93

Pressure (mb)

996
997
997
997
996
996
996
997
997
997
997
997
997
997
997
997
997
997
997
996
996
996
996
996

Ozone (du)

434
443
453
466
480
489
491
488
485
480
473
468
468
468
464
459
454
448
443
444
445
446
443
440

Thursday 5

Waning Gibbous 81%

21:41

08:55

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 OK
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

Sun - Rise: 07:31, Set: 16:55, Transit: 12:14. Moon - Rise: 21:41, Set: 08:55. Civil Dark: 17:31 - 06:55. Nautical Dark: 18:12 - 06:14. Astro Dark: 18:51 - 05:35

Total Clouds (% Sky Obscured)

88
83
78
66
55
40
45
51
50
50
52
55
63
70
78
81
86
95
98
99
100
99
96
93

Low Clouds (% Sky Obscured)

88
82
78
66
55
40
45
51
50
50
52
55
63
70
76
79
82
85
90
95
100
97
94
91

Medium Clouds (% Sky Obscured)

45
60
65
53
51
37
35
35
45
50
52
55
63
68
61
39
24
13
15
14
12
13
10
4

High Clouds (% Sky Obscured)

54
62
65
60
50
40
30
25
15
5
5
4
5
5
5
8
6
7
5
4
1
1
2
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
5
6
3
8
8
3
7
7
5
6
6
2

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
88
85
81
81
79
79
79
80
80
82
82
83
85
85
85
86
88
88
88
89
88
88
88

Pressure (mb)

996
996
996
996
996
996
995
995
995
996
996
996
996
996
996
996
995
995
995
995
996
996
996
996

Ozone (du)

437
436
435
435
434
434
433
433
433
433
429
426
423
423
422
422
421
421
420
419
418
417
417
417

Friday 6

Waning Gibbous 72%

22:57

09:05

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

Sun - Rise: 07:29, Set: 16:57, Transit: 12:14. Moon - Rise: 22:57, Set: 09:05. Civil Dark: 17:33 - 06:53. Nautical Dark: 18:13 - 06:13. Astro Dark: 18:53 - 05:33

Total Clouds (% Sky Obscured)

95
97
100
100
100
100
100
100
100
100
100
100
100
99
99
98
98
97
97
96
96

Low Clouds (% Sky Obscured)

94
97
100
98
96
94
94
94
94
96
98
100
97
95
92
94
96
97
95
92
89

Medium Clouds (% Sky Obscured)

3
2
1
18
44
60
56
39
29
35
23
20
15
15
14
19
20
25
39
47
58

High Clouds (% Sky Obscured)

1
1
0
0
0
0
16
25
32
34
26
32
26
16
6
9
14
22
30
36
41

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

Fog (%)

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
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

10
12
14
15
17
18
16
15
13
11
8
2
4
7
10
23
33
43
52
55
59

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.3

Wind Speed/Direction (mph)

10
11
12
12
12
12
12
12
11
10
10
9
9
9
9
9
10
10
9
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
85
79
75
75
76
76
79
80
82
83
83
85
85
85
85
85
88
89
89
88

Pressure (mb)

997
997
997
997
997
997
997
998
998
999
999
1000
1000
1000
1001
1001
1001
1001
1001
1002
1002

Ozone (du)

417
416
414
413
410
408
405
408
410
412
415
418
420
424
428
432
432
433
433
433
433

Forecast for Bourn, Cambridgeshire, United Kingdom (52.20,-0.05)

Generated: 31/01/26 08:45:12. Forecast: 31/01/26 to 06/02/26. Timezone: UTC+0.00