Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 28

Waxing Gibbous 79%

11:11

05:32

09 OK
10 OK
11 OK
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: 07:44, Set: 16:40, Transit: 12:13. Moon - Rise: 11:11, Set: 05:32. Civil Dark: 17:17 - 07:07. Nautical Dark: 17:59 - 06:26. Astro Dark: 18:38 - 05:46

Total Clouds (% Sky Obscured)

31
32
36
96
81
93
99
93
99
99
91
91
72
86
100
100
100
84
54
89
95
95
90
90

Low Clouds (% Sky Obscured)

31
8
36
53
67
75
73
68
46
27
26
28
47
53
64
57
51
51
39
39
61
94
90
90

Medium Clouds (% Sky Obscured)

0
0
0
0
4
14
29
16
24
55
3
0
0
3
17
44
61
41
15
42
40
50
36
0

High Clouds (% Sky Obscured)

30
32
36
92
23
66
52
63
94
71
57
90
72
42
95
100
95
68
54
49
20
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
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
96
100
100
100
100
59
0
1

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
1
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
91
88
84
79
78
82
90
91
94
91
93
93
93
93
94
93
94
94
94
96
96
96
94

Pressure (mb)

994
995
995
995
995
995
996
996
997
997
997
998
998
999
999
999
999
999
999
999
999
999
999
1000

Ozone (du)

467
473
478
485
489
485
480
481
489
487
488
491
490
492
489
486
480
476
477
479
480
481
478
470

Thursday 29

Waxing Gibbous 88%

12:01

06:36

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 OK
15 OK
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: 07:42, Set: 16:42, Transit: 12:13. Moon - Rise: 12:01, Set: 06:36. Civil Dark: 17:19 - 07:05. Nautical Dark: 18:00 - 06:24. Astro Dark: 18:40 - 05:45

Total Clouds (% Sky Obscured)

91
86
81
78
54
30
33
49
59
61
54
70
85
91
92
90
92
96
98
99
100
100
98
95

Low Clouds (% Sky Obscured)

91
86
81
78
53
29
26
44
59
61
54
70
85
91
88
89
89
90
93
85
78
86
85
70

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
2
2
6
45
57
58
52
63
76
68
97
100
73
64
82

High Clouds (% Sky Obscured)

0
0
0
0
0
1
2
0
0
0
0
0
0
0
1
1
4
9
4
32
44
29
18
1

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
1
0
10
1
1
0
0
0
0
0
0
0
0
2
11
28
45
40
21
7
14
24

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)

6
7
9
9
9
9
10
9
10
11
11
11
11
11
12
14
13
13
13
13
13
13
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
93
86
82
79
78
84
86
89
91
91
89
89
88
88
89
91
93
93
91
91
89
91
91

Pressure (mb)

1000
1000
1000
999
999
998
998
998
998
998
997
997
997
997
996
996
995
995
995
994
994
994
994
994

Ozone (du)

466
462
446
429
397
379
378
379
381
379
377
382
381
380
379
379
382
387
384
381
383
381
382
384

Friday 30

Waxing Gibbous 95%

13:12

07:20

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: 07:41, Set: 16:44, Transit: 12:13. Moon - Rise: 13:12, Set: 07:20. Civil Dark: 17:21 - 07:04. Nautical Dark: 18:02 - 06:23. Astro Dark: 18:41 - 05:43

Total Clouds (% Sky Obscured)

91
94
98
85
100
96
100
100
100
100
100
100
96
95
96
96
97
98
98
86
88
98
97
97

Low Clouds (% Sky Obscured)

88
91
98
80
100
77
73
68
57
89
87
91
89
86
88
91
93
95
95
82
69
70
74
78

Medium Clouds (% Sky Obscured)

40
26
24
28
27
15
25
100
100
100
100
22
56
20
22
31
47
49
46
45
48
50
61
90

High Clouds (% Sky Obscured)

1
16
0
2
0
29
57
69
91
98
50
50
0
0
0
2
2
1
0
0
23
30
25
20

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

13
4
7
10
2
3
15
10
40
89
73
59
44
36
35
12
6
8
11
14
14
22
28
33

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.8
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
90
87
84
81
78
81
79
85
90
94
91
93
90
87
85
84
84
81
78
81
83
85
88

Pressure (mb)

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

Ozone (du)

386
389
394
395
397
398
400
400
402
404
405
411
414
416
420
420
419
420
419
421
418
416
418
421

Saturday 31

Waxing Gibbous 99%

14:39

07:49

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: 07:39, 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)

98
99
100
100
100
100
98
97
95
93
61
61
65
78
99
100
100
100
98
96
95
96
98
100

Low Clouds (% Sky Obscured)

80
87
90
95
100
100
96
91
86
84
61
61
65
65
56
50
50
45
62
81
83
86
90
94

Medium Clouds (% Sky Obscured)

93
96
99
95
91
86
87
87
87
48
33
32
37
45
48
54
99
100
97
94
90
92
95
100

High Clouds (% Sky Obscured)

15
15
20
15
20
20
15
15
13
0
0
1
3
15
30
50
75
100
72
43
15
25
25
30

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
4
3
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
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 (%)

42
45
55
54
53
49
38
27
15
12
9
2
3
6
9
8
8
5
10
43
81
94
73
66

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
9
11
12
11
10
9
8
7
7
7
7
7
7
7
8
8
9
10
10
10
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
85
82
78
75
79
84
85
88
93
93
94
93
94
94
93
93
90
93
94
96
91
91
91

Pressure (mb)

992
993
994
995
996
996
997
998
998
999
999
999
1000
1000
999
999
999
999
998
998
998
997
997
997

Ozone (du)

422
421
420
422
425
422
418
414
413
415
434
448
450
447
422
408
404
398
391
384
378
376
373
374

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)

99
97
66
69
72
79
91
90
71
63
77
94
99
99
99
100
100
100
98
96
95
96
96
97

Low Clouds (% Sky Obscured)

91
88
66
69
72
79
82
82
71
41
40
40
38
36
35
35
35
33
40
46
51
59
67
79

Medium Clouds (% Sky Obscured)

94
39
36
25
14
2
1
1
0
26
48
64
73
83
92
86
82
82
89
86
86
76
73
69

High Clouds (% Sky Obscured)

20
15
0
0
3
15
25
25
1
61
69
83
90
90
90
90
91
93
75
58
40
25
25
25

ISS Passover

Visibility (miles)

5
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 (%)

47
29
13
13
14
2
4
5
1
2
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
88
82
78
77
74
75
82
90
91
91
91
91
89
89
88
89
91
89
89
89
89
89
88

Pressure (mb)

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

Ozone (du)

375
378
385
385
381
380
379
377
377
377
378
378
379
379
379
379
377
375
373
373
373
372
373
374

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)

98
99
100
87
76
66
77
88
98
99
99
100
100
100
100
99
98
98
98
98
99
99
100
100

Low Clouds (% Sky Obscured)

87
90
93
78
63
50
61
69
79
80
75
66
68
72
76
78
77
79
85
91
97
96
97
97

Medium Clouds (% Sky Obscured)

77
76
70
65
54
34
34
30
35
65
90
97
96
94
93
90
86
82
85
88
92
94
97
100

High Clouds (% Sky Obscured)

20
20
20
20
26
31
50
72
90
93
96
100
100
100
100
88
81
75
80
83
88
89
94
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
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
1
0
2
2
0
3
6
9
42
57
67
59
46
24
29
30
23
22
19
15
26
23
13

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
87
85
87
87
87
87
87
87
90
91
94
96
96
98
98
98
98
96
96
94
94
93

Pressure (mb)

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

Ozone (du)

375
376
378
379
378
378
377
377
377
376
379
382
384
385
385
385
386
386
387
388
389
391
393
395

Tuesday 3

Waning Gibbous 94%

19:04

08:34

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)

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: 28/01/26 09:10:19. Forecast: 28/01/26 to 03/02/26. Timezone: UTC+0.00