Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 18

New Moon 0%

08:20

15:42

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: 07:58, Set: 16:23, Transit: 12:10. Moon - Rise: 08:20, Set: 15:42. Civil Dark: 17:01 - 07:19. Nautical Dark: 17:43 - 06:37. Astro Dark: 18:24 - 05:57

Total Clouds (% Sky Obscured)

99
100
100
100
95
97
95
94
97
97
91
93
92
93
98
100
94
94
99
90
92
85
83
81

Low Clouds (% Sky Obscured)

97
92
86
94
88
96
88
87
81
78
72
66
54
49
43
36
22
27
17
9
28
24
27
24

Medium Clouds (% Sky Obscured)

36
68
89
100
73
61
59
46
37
25
22
23
30
44
98
99
87
90
96
90
92
85
81
79

High Clouds (% Sky Obscured)

99
100
30
13
2
2
24
29
30
69
19
39
15
35
10
1
2
0
0
0
0
0
0
3

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 (%)

48
44
42
36
17
2
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
3
23
33
12
3
3
7
2
0
0
5
10
22
31
25
23
13
21
19
7
7
1

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
96
96
96
96
94
96
93
88
90
91
93
95
95
95
91
91
93
93
94
94
94
93

Pressure (mb)

1020
1020
1020
1019
1019
1019
1019
1019
1019
1018
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015

Ozone (du)

399
398
396
395
395
395
395
394
394
395
398
403
407
404
401
403
407
406
401
396
392
390
390
390

Monday 19

Waxing Crescent 1%

08:43

17:01

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: 07:57, Set: 16:24, Transit: 12:11. Moon - Rise: 08:43, Set: 17:01. Civil Dark: 17:03 - 07:18. Nautical Dark: 17:45 - 06:36. Astro Dark: 18:25 - 05:56

Total Clouds (% Sky Obscured)

73
57
61
87
71
91
84
94
99
94
97
96
92
87
89
88
88
91
97
94
81
83
80
86

Low Clouds (% Sky Obscured)

36
41
40
28
16
31
50
72
64
66
88
85
80
73
80
78
74
74
91
63
59
58
62
75

Medium Clouds (% Sky Obscured)

38
23
26
36
31
39
36
45
47
37
53
57
53
44
39
67
43
41
76
50
32
50
29
11

High Clouds (% Sky Obscured)

3
2
3
3
3
7
3
1
0
3
5
3
2
5
5
40
1
20
30
2
21
25
1
12

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
2
12
17
12
5
0
0
1
4
0
0
1
3
3
3
21
20

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
93
94
89
88
86
86
87
88
91
90
91
93
95
96
95
95
93
91
93
93
91
93

Pressure (mb)

1015
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1014
1014

Ozone (du)

391
391
390
391
390
388
386
388
391
393
394
393
392
390
390
391
393
390
386
385
386
386
387
388

Tuesday 20

Waxing Crescent 3%

09:00

18:21

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: 07:56, Set: 16:26, Transit: 12:11. Moon - Rise: 09:00, Set: 18:21. Civil Dark: 17:04 - 07:17. Nautical Dark: 17:46 - 06:35. Astro Dark: 18:27 - 05:55

Total Clouds (% Sky Obscured)

96
93
96
91
92
96
91
68
80
95
79
74
77
98
95
100
86
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

81
80
94
79
77
73
62
57
67
91
79
61
61
66
67
58
70
94
59
83
71
64
78
88

Medium Clouds (% Sky Obscured)

60
42
58
51
54
61
77
40
0
0
0
0
0
9
13
19
20
20
20
25
100
100
100
100

High Clouds (% Sky Obscured)

13
25
27
35
39
54
15
50
1
3
5
2
11
50
58
100
63
100
100
100
100
100
85
68

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
4
3
3

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
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

19
9
14
0
0
0
1
0
2
4
0
16
2
0
1
3
17
36
33
38
89
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
1
1.1
1.5

Wind Speed/Direction (mph)

11
11
11
12
11
12
12
14
13
15
16
16
18
16
16
16
16
17
19
19
19
19
19
18

Chance of Frost

Temperature (°C)

7
8
8
8
8
7
7
8
8
9
9
10
10
9
9
8
8
8
9
9
9
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
93
95
90
91
91
90
84
88
85
85
84
77
77
78
84
88
85
78
78
77
84
88
88

Pressure (mb)

1014
1014
1014
1014
1013
1014
1014
1014
1013
1013
1012
1011
1010
1010
1009
1008
1008
1007
1007
1006
1005
1004
1003
1002

Ozone (du)

389
390
390
389
387
388
386
388
391
388
386
385
383
384
378
372
367
365
368
368
364
354
346
345

Wednesday 21

Waxing Crescent 8%

09:14

19:41

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: 07:55, Set: 16:28, Transit: 12:11. Moon - Rise: 09:14, Set: 19:41. Civil Dark: 17:06 - 07:16. Nautical Dark: 17:48 - 06:34. Astro Dark: 18:28 - 05:54

Total Clouds (% Sky Obscured)

100
92
84
76
84
92
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
92
84
76
75
74
72
77
81
86
85
86
86
86
85
84
79
74
69
67
66
67
74
82

Medium Clouds (% Sky Obscured)

100
83
67
50
63
79
98
99
99
87
100
99
99
97
99
49
49
55
78
97
96
95
97
98

High Clouds (% Sky Obscured)

52
34
4
40
32
59
74
81
91
81
67
45
32
51
75
94
96
99
100
100
100
100
99
97

ISS Passover

Visibility (miles)

6
9
9
9
9
9
9
3
3
9
9
8
9
9
9
9
9
9
9
9
9
6
7
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
Very Light Rain
None
None
None
Light Rain
Light Rain
Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
Very Light Rain
None
None

Precipitation Probability (%)

77
73
62
51
52
60
94
95
87
57
71
74
76
70
55
36
33
28
21
27
42
55
30
23

Precipitation Amount (mm)

0.3
0.4
0.2
0
0
0
0.7
1.4
0.5
0
0.3
0.3
0.3
0.3
0
0
0
0
0
0
0
0.3
0
0

Wind Speed/Direction (mph)

12
8
9
9
10
10
11
12
17
19
20
20
20
21
20
19
19
18
18
17
16
16
15
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1001
1001
1000
1000
999
998
997
996
995
994
994
993
992
991
991
991
991
991
991
991
991
990
990
990

Ozone (du)

347
349
348
345
346
347
345
342
349
356
368
371
373
375
377
380
377
374
370
364
363
362
362
364

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
100
79
81
86
77
86
95
92
100
98
86
80
81
88
79
85
90
85
79
84
88

Low Clouds (% Sky Obscured)

90
84
76
64
57
63
73
77
83
88
83
80
75
70
65
61
82
76
69
70
71
71
77
83

Medium Clouds (% Sky Obscured)

100
47
60
48
55
61
55
53
46
51
46
40
34
25
22
21
70
61
53
43
33
23
31
40

High Clouds (% Sky Obscured)

95
96
97
98
66
55
55
58
74
85
85
80
70
50
25
0
4
2
1
1
1
0
1
1

ISS Passover

Visibility (miles)

9
8
8
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 (%)

27
29
33
36
36
30
14
33
36
26
22
18
12
7
6
4
42
41
39
36
30
4
11
15

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

366
370
372
375
376
375
375
375
375
377
376
376
376
377
377
379
382
384
387
389
385
381
377
374

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)

93
95
96
100
99
97
96
97
99
100
93
86
81
83
87
90
77
68
60
63
64
65
68
71

Low Clouds (% Sky Obscured)

86
80
75
69
75
80
87
80
72
65
63
60
60
55
47
47
54
48
51
57
61
65
67
68

Medium Clouds (% Sky Obscured)

54
77
88
100
95
93
90
95
98
100
88
70
35
45
54
65
49
27
8
7
5
3
15
23

High Clouds (% Sky Obscured)

1
14
27
39
23
13
4
10
17
23
32
43
55
40
27
13
9
4
0
0
1
1
3
8

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
7
6
4
5
7
8
8
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
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

18
22
19
6
14
18
23
38
56
76
88
91
92
78
59
27
22
15
2
6
7
5
8
8

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.4
0.6
0.6
0.7
0.5
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
94
93
91
91
88
87
88
88
90
90
91
93
91
91
90
91
93
93
94
93
94
94

Pressure (mb)

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

Ozone (du)

371
368
368
368
368
368
368
368
368
368
368
371
373
376
377
379
381
380
380
379
380
381
381
382

Saturday 24

Waxing Crescent 34%

09:47

23:44

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)

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: 18/01/26 02:33:06. Forecast: 18/01/26 to 24/01/26. Timezone: UTC+0.00