Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 22

Waxing Crescent 15%

09:25

21:01

02 Bad
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

Sun - Rise: 07:53, Set: 16:29, Transit: 12:11. Moon - Rise: 09:25, Set: 21:01. Civil Dark: 17:07 - 07:15. Nautical Dark: 17:49 - 06:34. Astro Dark: 18:29 - 05:53

Total Clouds (% Sky Obscured)

100
100
100
99
100
100
100
100
100
92
100
100
92
83
81
80
74
73
84
99
61
70
75
77

Low Clouds (% Sky Obscured)

83
82
86
83
85
73
85
82
83
89
89
100
85
68
69
67
66
70
73
99
58
70
75
77

Medium Clouds (% Sky Obscured)

92
98
96
86
94
99
96
96
95
26
23
87
19
12
7
12
3
1
13
7
5
3
3
0

High Clouds (% Sky Obscured)

57
38
82
99
99
93
93
76
79
21
68
29
15
1
1
1
2
1
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
7
9
9
9
8
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

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

Precipitation Probability (%)

78
73
82
34
51
57
44
36
23
12
6
6
9
17
20
12
16
20
6
15
22
9
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

12
12
12
12
14
14
13
12
12
14
13
13
14
14
15
16
16
15
14
12
12
12
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
93
91
91
91
93
93
94
94
91
91
91
90
88
91
85
84
85
91
91
91
93

Pressure (mb)

989
989
989
989
989
989
989
990
989
989
989
989
988
988
988
987
987
987
987
987
987
987
988
988

Ozone (du)

359
357
354
353
354
355
353
353
354
354
354
355
358
360
361
363
366
369
372
370
374
379
383
381

Friday 23

Waxing Crescent 23%

09:36

22:22

02 Bad
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

Sun - Rise: 07:52, Set: 16:31, Transit: 12:12. Moon - Rise: 09:36, Set: 22:22. Civil Dark: 17:09 - 07:14. Nautical Dark: 17:51 - 06:33. Astro Dark: 18:31 - 05:52

Total Clouds (% Sky Obscured)

79
52
71
93
97
99
100
100
96
96
91
91
95
85
87
95
75
68
59
67
71
75
70
64

Low Clouds (% Sky Obscured)

79
52
64
77
87
88
70
63
86
83
91
87
87
85
69
67
73
63
59
61
68
73
67
63

Medium Clouds (% Sky Obscured)

0
21
2
23
57
87
100
100
69
42
60
60
70
70
68
82
27
23
2
40
45
3
2
3

High Clouds (% Sky Obscured)

25
52
51
58
37
97
100
96
60
51
44
38
55
60
57
56
0
0
0
18
30
1
7
21

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

Precipitation Probability (%)

0
0
0
1
1
7
21
25
24
22
25
31
55
64
45
20
5
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
93
93
93
88
90
86
91
85
81
77
77
79
81
84
85
86
85
82
83
86
79
80

Pressure (mb)

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

Ozone (du)

378
375
373
372
371
370
370
371
373
376
376
376
376
378
380
386
389
390
392
388
388
390
390
391

Saturday 24

Waxing Crescent 34%

09:47

23:44

02 Bad
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

Sun - Rise: 07:51, Set: 16:33, Transit: 12:12. Moon - Rise: 09:47, Set: 23:44. Civil Dark: 17:11 - 07:13. Nautical Dark: 17:52 - 06:31. Astro Dark: 18:32 - 05:51

Total Clouds (% Sky Obscured)

73
76
68
50
57
76
72
73
86
52
79
74
80
82
88
62
63
72
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

59
62
48
50
57
74
67
58
67
52
52
45
52
51
65
62
47
43
40
47
55
56
71
81

Medium Clouds (% Sky Obscured)

35
28
51
0
12
30
35
40
12
5
46
45
55
75
62
10
2
6
26
100
100
91
92
100

High Clouds (% Sky Obscured)

7
0
7
2
13
3
24
27
55
12
50
50
50
45
45
8
28
48
82
84
39
53
50
49

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
3
9
9
7

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
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
0
6
36
88
66
17
30
44

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0.4
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
89
91
89
89
89
88
85
83
84
79
79
81
82
87
90
91
91
91
90
90
91
91
91

Pressure (mb)

993
993
994
994
994
995
995
996
997
997
996
996
996
996
996
996
997
997
997
997
997
997
997
997

Ozone (du)

394
397
399
398
399
399
401
403
404
405
407
408
414
414
412
408
405
404
402
402
404
405
406
408

Sunday 25

Waxing Crescent 45%

09:59

01:11

02 Bad
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

Sun - Rise: 07:49, Set: 16:35, Transit: 12:12. Moon - Rise: 09:59, Set: 01:11. Civil Dark: 17:12 - 07:12. Nautical Dark: 17:54 - 06:30. Astro Dark: 18:34 - 05:50

Total Clouds (% Sky Obscured)

100
95
88
80
70
85
100
73
92
100
100
100
65
73
100
100
99
98
97
98
69
93
93
71

Low Clouds (% Sky Obscured)

87
81
68
46
44
49
55
65
79
96
96
96
65
73
90
94
93
92
91
89
69
65
64
66

Medium Clouds (% Sky Obscured)

100
89
75
36
33
72
100
62
66
100
94
65
56
51
78
100
97
94
90
92
50
87
84
43

High Clouds (% Sky Obscured)

49
30
15
41
39
58
80
73
92
100
98
80
65
73
100
100
78
65
36
15
8
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
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

48
41
31
22
14
7
3
20
35
53
66
67
60
62
67
74
76
76
71
63
53
40
45
38

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

12
11
11
10
10
10
11
12
13
15
16
15
16
15
13
12
12
11
10
8
7
7
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
94
96
96
94
96
96
94
88
85
85
84
84
81
85
90
88
90
90
90
90
91
91
93

Pressure (mb)

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

Ozone (du)

409
411
414
410
411
414
416
416
415
412
413
413
417
418
416
417
420
426
431
437
447
454
463
468

Monday 26

First Quarter 57%

10:15

No Set

02 Bad
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

Sun - Rise: 07:48, Set: 16:37, Transit: 12:12. Moon - Rise: 10:15, Set: No Set. Civil Dark: 17:14 - 07:11. Nautical Dark: 17:55 - 06:29. Astro Dark: 18:35 - 05:49

Total Clouds (% Sky Obscured)

70
75
77
74
79
82
100
100
100
100
100
100
100
99
98
97
99
100
100
100
100
100
98
97

Low Clouds (% Sky Obscured)

63
67
73
74
79
82
95
100
95
95
86
73
59
62
64
65
82
85
89
88
88
88
91
94

Medium Clouds (% Sky Obscured)

36
24
20
17
20
24
36
72
89
99
99
100
100
98
97
94
93
93
94
92
90
88
76
69

High Clouds (% Sky Obscured)

0
1
2
1
17
28
67
75
87
100
100
100
100
75
50
25
63
84
100
100
100
100
85
71

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
2
2
2
2
4
7
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

17
19
16
9
9
8
6
7
7
6
14
21
25
38
43
62
95
95
95
95
89
61
42
28

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.6
0.7
0.8
0.7
0.5
0
0
0

Wind Speed/Direction (mph)

5
4
3
4
4
4
5
4
5
7
9
8
8
8
9
11
12
18
18
17
15
14
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
91
89
91
93
93
93
89
85
83
83
85
85
90
91
93
94
94
96
93
88
85
86

Pressure (mb)

998
998
998
998
998
999
999
999
999
999
998
997
996
996
995
994
993
993
992
990
990
989
989
988

Ozone (du)

470
466
465
464
463
463
459
452
440
424
407
402
399
395
392
386
380
381
382
383
389
394
399
398

Tuesday 27

Waxing Gibbous 68%

10:38

02:41

02 Bad
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

Sun - Rise: 07:47, Set: 16:38, Transit: 12:13. Moon - Rise: 10:38, Set: 02:41. Civil Dark: 17:16 - 07:09. Nautical Dark: 17:57 - 06:28. Astro Dark: 18:37 - 05:48

Total Clouds (% Sky Obscured)

95
96
95
94
95
97
98
99
100
100
100
100
100
100
100
100
96
93
90
92
92
92
75
57

Low Clouds (% Sky Obscured)

92
79
68
57
54
51
50
61
69
77
72
68
60
55
53
46
30
28
23
23
22
20
22
24

Medium Clouds (% Sky Obscured)

70
88
92
90
88
91
98
99
99
100
100
100
100
92
86
76
61
35
28
39
52
59
58
49

High Clouds (% Sky Obscured)

61
70
78
87
74
56
38
56
78
100
100
100
100
100
100
100
87
74
61
69
77
84
62
44

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

Precipitation Probability (%)

3
6
8
7
20
27
33
51
63
72
67
57
40
32
23
6
5
3
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
15
15
14
14
12
13
13
13
14
14
13
12
11
10
9
8
8
8
7
7
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
89
91
93
93
93
91
88
86
83
83
83
83
86
89
94
93
93
93
93
94
94
94

Pressure (mb)

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

Ozone (du)

397
396
398
399
400
402
403
404
411
417
424
422
420
419
419
419
420
422
425
428
427
426
425
427

Wednesday 28

Waxing Gibbous 79%

11:11

04:10

Sun - Rise: 07:45, Set: 16:40, Transit: 12:13. Moon - Rise: 11:11, Set: 04:10. Civil Dark: 17:17 - 07:08. Nautical Dark: 17:59 - 06:27. Astro Dark: 18:38 - 05:47

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: 22/01/26 02:59:22. Forecast: 22/01/26 to 28/01/26. Timezone: UTC+0.00