Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 26

Waxing Gibbous 76%

10:56

04:29

01 Good
02 OK
03 OK
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

Sun - Rise: 06:51, Set: 17:34, Transit: 12:12. Moon - Rise: 10:56, Set: 04:29. Civil Dark: 18:08 - 06:17. Nautical Dark: 18:47 - 05:37. Astro Dark: 19:27 - 04:58

Total Clouds (% Sky Obscured)

15
23
33
65
57
57
72
92
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

15
23
33
65
57
57
47
59
87
51
54
41
45
63
65
60
73
48
54
78
83
86
88
84

Medium Clouds (% Sky Obscured)

2
0
0
0
0
0
0
82
95
65
100
100
75
100
98
100
100
100
96
100
100
100
100
100

High Clouds (% Sky Obscured)

3
0
0
0
0
0
62
84
88
100
74
100
94
100
100
100
100
100
100
100
100
100
100
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
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
1
0
0
0
0
0
0
0
0
0
1
5
9
25
34
43
45
31
41
44
44
28
49

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
10
10
11
12
12
12
13
15
19
17
18
18
17
17
17
17
17
17
17
17
17
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
7
7
8
8
8
8
8
9
8
8
8
9
9
9
9
9
8
8
8
8
9
8
8

Relative Humidity (%)

85
82
87
91
93
93
93
90
90
83
80
77
80
81
80
80
81
81
83
84
85
87
87
85

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1014
1014
1013
1013
1013
1013
1012
1012
1012
1011
1011

Ozone (du)

380
389
395
390
384
379
373
374
369
364
362
357
353
350
347
345
342
343
340
338
337
337
335
335

Friday 27

Waxing Gibbous 85%

12:16

05:18

01 Bad
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

Sun - Rise: 06:49, Set: 17:36, Transit: 12:12. Moon - Rise: 12:16, Set: 05:18. Civil Dark: 18:10 - 06:15. Nautical Dark: 18:49 - 05:35. Astro Dark: 19:29 - 04:56

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
95
93
83
90
85
88
96
89
94
86
100
100
100
100

Low Clouds (% Sky Obscured)

91
100
100
89
86
100
100
100
100
91
93
84
60
78
68
82
95
78
88
85
100
100
100
100

Medium Clouds (% Sky Obscured)

100
99
88
45
98
100
93
95
99
99
70
21
35
30
37
35
45
30
10
0
7
76
82
85

High Clouds (% Sky Obscured)

100
100
100
88
100
57
52
45
40
43
46
58
39
21
6
5
9
19
25
25
96
100
100
100

ISS Passover

Visibility (miles)

9
9
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

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

Precipitation Probability (%)

68
69
44
66
52
19
24
36
17
20
17
35
53
63
76
75
67
61
47
37
33
31
25
12

Precipitation Amount (mm)

0.3
0.3
0
0.3
0
0
0
0
0
0
0
0
0.3
0.4
0.7
0.7
0.4
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
18
18
18
18
17
17
15
14
14
12
12
11
10
9
8
9
7
8
6
6
6
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
4
4
4
4
5
6
6
7
7
9
10
10
12
11
11
8
8
6
6
6
6
5
6

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1010
1009
1008
1008
1007
1007
1008
1008
1008
1008
1008
1008
1008
1009
1009
1010
1010
1011
1012
1012
1013
1013
1013
1013

Ozone (du)

334
333
334
334
332
332
332
335
336
339
341
343
345
343
341
340
341
342
346
349
351
354
355
358

Saturday 28

Waxing Gibbous 92%

13:43

05:51

01 Bad
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 OK
19 OK
20 OK
21 OK
22 OK
23 Good
00 OK

Sun - Rise: 06:46, Set: 17:38, Transit: 12:12. Moon - Rise: 13:43, Set: 05:51. Civil Dark: 18:12 - 06:12. Nautical Dark: 18:51 - 05:33. Astro Dark: 19:30 - 04:54

Total Clouds (% Sky Obscured)

100
100
99
97
99
100
100
100
100
98
98
97
97
94
92
65
64
46
34
25
28
24
2
42

Low Clouds (% Sky Obscured)

100
100
96
93
91
91
94
71
92
90
72
66
57
63
49
35
25
28
22
25
28
24
2
9

Medium Clouds (% Sky Obscured)

92
65
59
80
49
100
100
48
31
96
98
29
20
19
22
11
10
7
6
0
28
3
0
42

High Clouds (% Sky Obscured)

50
55
50
3
0
0
0
0
0
14
30
0
0
0
0
0
0
0
0
25
28
1
0
13

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

Precipitation Probability (%)

17
35
54
52
54
49
46
50
54
36
20
16
35
29
24
18
5
2
6
1
11
0
0
0

Precipitation Amount (mm)

0
0
0.4
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
88
90
90
91
90
90
90
88
88
85
82
84
84
85
90
87
88
82
79
79
79
82

Pressure (mb)

1014
1014
1014
1015
1015
1016
1016
1017
1017
1018
1018
1018
1019
1019
1019
1019
1019
1020
1020
1021
1021
1021
1021
1020

Ozone (du)

362
368
372
377
386
391
394
398
399
401
405
412
417
419
420
422
419
418
418
416
416
416
416
418

Sunday 1

Waxing Gibbous 97%

15:12

06:13

01 Bad
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

Sun - Rise: 06:44, Set: 17:40, Transit: 12:12. Moon - Rise: 15:12, Set: 06:13. Civil Dark: 18:14 - 06:10. Nautical Dark: 18:53 - 05:31. Astro Dark: 19:32 - 04:52

Total Clouds (% Sky Obscured)

54
95
96
91
97
91
96
66
95
94
99
96
100
94
74
92
100
99
99
98
99
99
100
100

Low Clouds (% Sky Obscured)

19
36
44
44
51
58
71
66
82
85
86
86
86
86
74
62
68
52
48
42
42
43
48
44

Medium Clouds (% Sky Obscured)

43
87
85
55
89
73
67
52
48
50
49
51
59
90
58
57
52
47
52
85
94
55
87
96

High Clouds (% Sky Obscured)

5
7
23
37
49
64
70
66
77
58
42
45
69
72
62
81
100
98
97
95
96
85
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
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
10
14
25
31
32
32
25
22
15
5
12
7
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)

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

Chance of Frost

Temperature (°C)

5
4
5
5
5
5
6
6
8
8
9
10
11
10
11
10
9
9
8
8
8
8
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
88
93
94
94
93
91
93
88
85
80
80
74
77
72
78
87
88
90
91
91
93
88
90

Pressure (mb)

1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1017
1017
1017
1017
1017
1017
1018
1017
1017
1017

Ozone (du)

420
424
420
409
406
404
402
403
400
397
395
393
390
390
389
388
387
387
387
387
386
388
388
387

Monday 2

Waxing Gibbous 100%

16:37

06:29

01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 OK
09 OK
10 OK
11 OK
12 OK
13 OK
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 06:42, Set: 17:41, Transit: 12:12. Moon - Rise: 16:37, Set: 06:29. Civil Dark: 18:15 - 06:08. Nautical Dark: 18:55 - 05:29. Astro Dark: 19:34 - 04:49

Total Clouds (% Sky Obscured)

100
100
95
90
85
64
45
25
33
36
43
32
32
50
64
59
68
74
80
85
75
67
59
58

Low Clouds (% Sky Obscured)

41
35
21
15
5
5
5
5
10
22
27
18
9
0
0
0
0
8
16
24
17
13
3
11

Medium Clouds (% Sky Obscured)

89
80
73
63
45
45
44
25
33
36
43
32
32
50
64
58
59
62
66
67
57
43
30
26

High Clouds (% Sky Obscured)

83
100
94
88
82
60
41
25
25
5
6
8
11
10
7
3
6
10
8
3
23
45
59
54

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 (%)

3
16
3
1
2
1
0
0
0
0
0
0
0
0
2
7
13
25
30
27
16
5
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
10
10
10
10
10
10
11
11
12
12
13
12
11
11
9
9
9
7
7
6
5
5
4

Chance of Frost

Temperature (°C)

7
7
7
7
6
6
7
7
8
9
11
12
13
13
13
12
11
10
9
8
8
7
7
7

Feels Like (°C)

3
4
3
3
2
2
3
3
3
5
6
8
8
8
9
9
9
9
6
6
7
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

93
94
94
93
91
90
87
84
79
78
75
71
72
72
74
77
81
87
87
85
85
85
88
91

Pressure (mb)

1017
1017
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1016
1017
1017
1018
1019
1019
1020
1021
1021
1021

Ozone (du)

388
388
390
390
389
390
390
389
390
391
391
392
392
391
391
391
390
390
392
393
395
397
400
402

Tuesday 3

Full Moon 100%

17:59

06:41

01 Bad
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

Sun - Rise: 06:40, Set: 17:43, Transit: 12:11. Moon - Rise: 17:59, Set: 06:41. Civil Dark: 18:17 - 06:06. Nautical Dark: 18:56 - 05:27. Astro Dark: 19:36 - 04:47

Total Clouds (% Sky Obscured)

56
51
55
57
63
68
71
73
80
88
95
90
80
32
28
34
44
69
85
95
98
99
99
97

Low Clouds (% Sky Obscured)

18
24
24
27
30
26
26
22
26
30
35
50
65
32
28
34
44
61
64
63
64
66
70
74

Medium Clouds (% Sky Obscured)

18
16
22
27
28
25
9
10
11
13
15
30
40
32
28
34
44
49
38
42
52
63
60
50

High Clouds (% Sky Obscured)

40
28
14
6
0
0
0
0
23
46
69
74
80
32
28
34
44
69
85
91
92
92
92
80

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

Precipitation Probability (%)

0
0
7
1
0
2
0
0
0
3
11
28
25
35
46
33
17
24
31
40
50
58
66
53

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
4
3
3
3
3
4
4
5
5
6
6
11
11
11
12
12
13
9
9
9
9
8
7

Dew Point (°C)

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

Relative Humidity (%)

91
91
90
91
91
93
90
88
85
78
72
66
65
63
62
68
75
81
84
84
87
87
87
87

Pressure (mb)

1021
1022
1022
1022
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

407
412
417
429
441
453
446
438
430
423
416
408
405
402
398
397
395
394
392
391
389
389
388
388

Wednesday 4

Waning Gibbous 99%

19:17

06:52

Sun - Rise: 06:37, Set: 17:45, Transit: 12:11. Moon - Rise: 19:17, Set: 06:52. Civil Dark: 18:19 - 06:04. Nautical Dark: 18:58 - 05:24. Astro Dark: 19:38 - 04:45

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: 26/02/26 01:17:06. Forecast: 26/02/26 to 04/03/26. Timezone: UTC+0.00