Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 31

Waxing Gibbous 99%

14:39

07:20

03 Bad
04 Bad
05 Bad
06 Bad
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

Sun - Rise: 07:41, Set: 16:46, Transit: 12:13. Moon - Rise: 14:39, Set: 07:20. Civil Dark: 17:22 - 07:04. Nautical Dark: 18:03 - 06:23. Astro Dark: 18:43 - 05:43

Total Clouds (% Sky Obscured)

43
68
53
52
58
86
100
95
81
70
53
49
93
69
98
94
97
89
96
92
96
80
88
91

Low Clouds (% Sky Obscured)

30
36
51
52
43
55
53
89
70
61
53
33
45
31
57
77
64
74
72
69
64
68
77
77

Medium Clouds (% Sky Obscured)

43
42
33
3
21
29
75
16
9
9
4
49
25
20
33
93
95
72
91
86
95
77
45
25

High Clouds (% Sky Obscured)

0
0
0
2
2
57
15
30
2
2
0
0
6
8
17
35
1
0
0
0
0
0
0
39

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
1
5
2
9
8
7
17
22
18
13
21
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
93
93
94
94
94
90
85
81
80
80
81
85
91
91
91
91
94
93
93
94
94
94

Pressure (mb)

991
992
992
993
994
995
996
997
998
998
998
998
999
1000
1000
1001
1001
1001
1002
1002
1002
1002
1002
1002

Ozone (du)

452
456
460
463
462
464
464
464
462
457
456
459
454
448
446
441
457
485
481
483
483
452
428
417

Sunday 1

Full Moon 100%

16:10

07:49

03 Bad
04 Bad
05 Bad
06 Bad
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

Sun - Rise: 07:39, Set: 16:48, Transit: 12:13. Moon - Rise: 16:10, Set: 07:49. Civil Dark: 17:24 - 07:02. Nautical Dark: 18:05 - 06:22. Astro Dark: 18:45 - 05:42

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
99
96
98
98
91
97
100
97
97
93
95
96
95
94
94
93
96
96

Low Clouds (% Sky Obscured)

80
67
68
66
58
56
66
86
64
64
57
59
69
72
87
88
67
78
90
90
90
89
92
96

Medium Clouds (% Sky Obscured)

59
100
100
97
100
100
97
91
96
95
85
94
99
93
93
66
88
88
51
40
42
42
8
0

High Clouds (% Sky Obscured)

91
100
75
98
89
100
74
60
55
55
0
0
0
40
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
6
3
7
2
2
9
9
9
9
6
5
9
9
9

Fog (%)

0
0
0
0
8
36
100
100
100
4
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

2
0
0
0
1
0
1
1
5
40
70
77
95
95
95
63
51
48
52
51
40
23
10
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.4
0.5
1
1.7
0.9
0
0
0
0.2
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1002
1002
1002
1002
1002
1002
1002
1002
1003
1002
1002
1001
1001
1001
1001
1002
1002
1002
1002
1002
1001
1001
1001
1001

Ozone (du)

412
404
401
399
400
399
396
391
389
386
381
381
383
385
392
401
406
404
406
409
401
388
388
382

Monday 2

Waning Gibbous 98%

17:39

08:08

03 Bad
04 Bad
05 Bad
06 Bad
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

Sun - Rise: 07:37, Set: 16:49, Transit: 12:13. Moon - Rise: 17:39, Set: 08:08. Civil Dark: 17:26 - 07:01. Nautical Dark: 18:07 - 06:20. Astro Dark: 18:46 - 05:41

Total Clouds (% Sky Obscured)

81
74
74
91
91
89
99
86
89
90
92
93
88
95
100
100
100
100
100
100
97
97
98
99

Low Clouds (% Sky Obscured)

81
74
74
91
91
89
93
76
82
85
88
81
64
78
95
95
100
92
87
90
91
93
94
96

Medium Clouds (% Sky Obscured)

0
0
0
0
0
8
3
0
0
2
2
1
4
28
62
75
93
100
100
91
94
95
94
97

High Clouds (% Sky Obscured)

1
0
2
2
2
24
50
55
55
50
50
50
48
66
100
100
100
100
100
100
81
83
84
86

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
7
6

Fog (%)

0
93
100
100
100
100
100
100
100
100
38
6
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
Light Rain
Light Rain

Precipitation Probability (%)

1
0
0
3
0
3
1
1
1
0
1
2
1
2
3
1
5
4
6
14
30
47
73
80

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
0.4
0.4

Wind Speed/Direction (mph)

2
4
5
6
6
5
6
8
10
13
13
14
14
14
15
15
15
15
15
14
15
16
16
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
93
91
91
93
93
91
88
85
87
84
82
85
88
90
90
91
91
91
91
90
91
91

Pressure (mb)

1000
1000
999
999
999
999
999
999
999
998
997
997
997
997
997
997
997
996
996
996
996
996
995
995

Ozone (du)

379
378
376
375
373
369
368
367
367
368
368
366
366
367
367
367
368
368
368
369
370
371
371
370

Tuesday 3

Waning Gibbous 94%

19:04

08:23

03 Bad
04 Bad
05 Bad
06 Bad
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

Sun - Rise: 07:36, Set: 16:51, Transit: 12:14. Moon - Rise: 19:04, Set: 08:23. Civil Dark: 17:28 - 06:59. Nautical Dark: 18:08 - 06:19. Astro Dark: 18:48 - 05:39

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
97
97
97
89
79
85
95

Low Clouds (% Sky Obscured)

97
97
97
97
97
97
97
97
97
98
99
100
98
96
94
92
89
87
89
92
83
68
65
78

Medium Clouds (% Sky Obscured)

97
97
97
98
99
100
96
92
88
91
92
94
95
96
96
95
93
91
78
89
63
51
66
88

High Clouds (% Sky Obscured)

87
90
93
95
97
100
97
94
92
94
79
100
100
86
100
72
50
25
0
0
3
1
6
15

ISS Passover

Visibility (miles)

6
9
9
9
6
9
9
9
9
9
5
9
7
7
4
4
1
4
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

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

Precipitation Probability (%)

72
58
36
56
67
44
33
43
35
42
43
36
52
73
74
76
72
62
46
40
37
36
35
34

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

17
17
16
15
15
15
14
14
13
13
12
11
10
9
8
6
7
9
9
8
7
8
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
93
93
93
93
93
93
93
91
91
90
91
94
96
98
98
94
93
93
93
94
96
94

Pressure (mb)

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

Ozone (du)

369
369
371
371
373
375
376
378
378
377
378
379
381
384
386
391
397
406
420
426
426
425
425
429

Wednesday 4

Waning Gibbous 88%

20:24

08:34

03 Bad
04 Bad
05 Bad
06 Bad
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

Sun - Rise: 07:34, Set: 16:53, Transit: 12:14. Moon - Rise: 20:24, Set: 08:34. Civil Dark: 17:29 - 06:58. Nautical Dark: 18:10 - 06:17. Astro Dark: 18:49 - 05:38

Total Clouds (% Sky Obscured)

94
95
95
96
97
99
99
100
100
99
97
96
97
99
100
99
98
97
95
94
93
93
93
93

Low Clouds (% Sky Obscured)

90
91
92
93
95
97
98
94
97
97
95
89
95
97
100
96
93
89
88
88
87
88
90
93

Medium Clouds (% Sky Obscured)

31
30
33
53
82
83
72
81
76
80
84
88
89
87
84
81
83
85
77
68
60
52
44
29

High Clouds (% Sky Obscured)

10
0
0
1
8
24
1
8
1
1
20
22
25
25
25
35
45
45
30
35
45
40
36
28

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 (%)

33
32
29
27
24
19
16
19
10
21
18
5
6
6
1
20
15
5
10
13
13
22
29
28

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
-0
0
0
-0
-0
0
0
1
1
0
0
1
-0
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1

Dew Point (°C)

3
2
2
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3

Relative Humidity (%)

93
83
86
89
89
91
91
86
85
83
85
86
86
86
85
86
88
88
88
89
88
88
89
91

Pressure (mb)

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

Ozone (du)

440
449
456
468
484
491
498
496
482
475
471
452
438
444
447
452
451
450
450
444
439
434
431
428

Thursday 5

Waning Gibbous 86%

21:41

08:45

03 Bad
04 Bad
05 Bad
06 Bad
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

Sun - Rise: 07:32, Set: 16:55, Transit: 12:14. Moon - Rise: 21:41, Set: 08:45. Civil Dark: 17:31 - 06:56. Nautical Dark: 18:12 - 06:16. Astro Dark: 18:51 - 05:36

Total Clouds (% Sky Obscured)

91
89
89
90
89
89
90
91
91
84
78
74
64
58
54
50
43
50
49
52
54
56
58
62

Low Clouds (% Sky Obscured)

91
89
89
89
89
88
88
88
89
79
69
62
51
38
34
50
43
43
43
46
48
47
43
41

Medium Clouds (% Sky Obscured)

14
13
23
26
23
12
11
8
5
17
25
23
27
27
35
50
43
50
49
52
54
40
23
10

High Clouds (% Sky Obscured)

32
36
40
25
25
25
17
14
11
14
21
30
29
34
38
39
34
35
30
30
35
35
45
45

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

65
91
94
83
74
46
30
18
7
10
11
7
15
26
33
58
73
82
74
62
43
37
30
19

Precipitation Amount (mm)

0.3
0.8
0.8
0.5
0.4
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.3
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
94
96
96
96
96
94
94
93
91
93
93
95
95
95
94
94
94
93
93
94
94
91
88

Pressure (mb)

993
992
992
992
992
992
992
993
993
993
992
992
992
991
991
991
991
991
991
991
991
991
991
991

Ozone (du)

425
428
430
433
433
434
435
429
423
416
414
411
409
407
405
403
403
403
403
405
408
410
416
423

Friday 6

Waning Gibbous 81%

22:57

08:55

Sun - Rise: 07:31, Set: 16:57, Transit: 12:14. Moon - Rise: 22:57, Set: 08:55. Civil Dark: 17:33 - 06:55. Nautical Dark: 18:13 - 06:14. Astro Dark: 18:53 - 05:35

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

Generated: 31/01/26 02:38:18. Forecast: 31/01/26 to 06/02/26. Timezone: UTC+0.00