Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 22

Waxing Crescent 30%

08:22

00:27

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

Sun - Rise: 06:59, Set: 17:27, Transit: 12:13. Moon - Rise: 08:22, Set: 00:27. Civil Dark: 18:01 - 06:25. Nautical Dark: 18:40 - 05:46. Astro Dark: 19:20 - 05:06

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
41
33
53
96
100
99
53
38
72
75
64
59
89
63
74

Low Clouds (% Sky Obscured)

91
82
82
88
56
64
51
51
47
41
33
45
45
52
54
48
38
72
75
64
59
89
63
74

Medium Clouds (% Sky Obscured)

100
100
100
96
100
80
84
100
0
0
0
4
30
57
99
53
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
31
33
35
78
100
35
0
0
28
0
0
5
60
17
10

ISS Passover

Visibility (miles)

8
2
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

Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

77
82
37
30
9
14
5
7
2
13
5
10
3
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.6
0.6
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
14
13
17
16
17
17
17
17
16
16
15
15
14
13
13
14
15
14
14
14
15
15
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
92
90
87
86
81
80
79
79
81
81
83
85
85
85
87
87
88
88
87
85
85

Pressure (mb)

1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1014

Ozone (du)

342
346
350
352
359
364
368
369
368
369
369
372
370
380
397
410
390
381
385
383
377
373
370
368

Monday 23

Waxing Crescent 41%

08:42

01:57

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
03 Bad

Sun - Rise: 06:57, Set: 17:29, Transit: 12:13. Moon - Rise: 08:42, Set: 01:57. Civil Dark: 18:03 - 06:23. Nautical Dark: 18:42 - 05:44. Astro Dark: 19:22 - 05:04

Total Clouds (% Sky Obscured)

69
97
100
100
100
100
100
100
100
97
100
100
99
100
96
99
100
98
73
73
89
86
83
78

Low Clouds (% Sky Obscured)

69
50
41
44
42
48
47
55
47
90
66
76
93
100
87
75
75
73
63
53
77
75
76
77

Medium Clouds (% Sky Obscured)

0
0
0
0
0
60
100
97
89
88
100
99
98
91
85
83
92
82
47
62
30
26
8
0

High Clouds (% Sky Obscured)

55
96
100
100
100
100
95
67
87
58
55
80
65
31
57
80
85
63
31
25
14
25
6
13

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
3
2
5
8
4
12
9
43
69
95
91
82
54
9
6
3
1
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.4
0.8
0.7
0.4
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
16
18
15
16
16
16
15
17
15
14
13
11
9
10
13
15
15
15
15
13
12
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
4
4
4
6
7
7
7
8
9
9
9
9
9
9
9
10
10
10
10
10
10
9

Relative Humidity (%)

85
85
75
75
77
81
82
81
80
81
85
91
93
93
95
95
93
91
91
93
91
93
93
91

Pressure (mb)

1014
1014
1014
1014
1014
1014
1015
1015
1015
1014
1014
1014
1014
1014
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

371
370
368
364
364
367
368
369
363
360
359
357
355
352
349
347
347
346
345
343
342
342
343
344

Tuesday 24

First Quarter 53%

09:11

03:20

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 OK
17 OK
18 Bad
19 OK
20 Bad
21 Bad
22 OK
23 OK
00 Bad
01 Bad
02 Bad
03 OK

Sun - Rise: 06:55, Set: 17:31, Transit: 12:13. Moon - Rise: 09:11, Set: 03:20. Civil Dark: 18:05 - 06:21. Nautical Dark: 18:44 - 05:42. Astro Dark: 19:23 - 05:02

Total Clouds (% Sky Obscured)

80
88
70
84
76
63
96
86
84
87
71
76
38
36
45
41
45
43
38
35
44
48
55
41

Low Clouds (% Sky Obscured)

80
87
66
83
73
63
70
72
60
54
32
29
38
10
22
36
43
43
38
35
44
48
48
40

Medium Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
11
2
4
4
4
0
4
4
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

16
32
23
32
11
19
84
51
50
50
51
53
21
30
29
18
17
17
2
3
4
2
15
2

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
3
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)

11
11
11
12
13
13
15
15
16
15
14
14
13
12
11
11
10
9
9
9
10
9
9
8

Chance of Frost

Temperature (°C)

11
10
10
10
10
11
12
12
13
13
13
13
13
12
10
10
10
10
9
10
10
10
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
93
91
87
80
83
83
80
75
75
72
71
72
77
83
87
90
91
93
91
91
93
95
95

Pressure (mb)

1014
1014
1015
1015
1015
1015
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1014
1013
1013
1013
1013
1013
1013

Ozone (du)

342
342
344
346
348
350
354
357
357
356
357
354
352
353
355
355
356
356
357
358
360
360
360
359

Wednesday 25

Waxing Gibbous 65%

09:54

No Set

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

Sun - Rise: 06:53, Set: 17:32, Transit: 12:13. Moon - Rise: 09:54, Set: No Set. Civil Dark: 18:06 - 06:19. Nautical Dark: 18:46 - 05:40. Astro Dark: 19:25 - 05:00

Total Clouds (% Sky Obscured)

36
30
26
22
21
20
19
20
30
38
45
59
57
97
62
81
60
83
95
100
87
72
35
42

Low Clouds (% Sky Obscured)

34
29
26
22
21
20
19
20
16
11
6
16
27
40
37
34
31
28
23
19
19
20
20
29

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
14
28
41
39
44
46
40
37
34
52
17
56
62
54
17
14

High Clouds (% Sky Obscured)

2
2
0
0
1
2
3
5
8
12
16
22
23
35
24
39
28
52
84
82
62
28
1
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
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
95
93
93
87
80
73
68
66
65
69
75
82
87
90
90
91
91
91
91
91
90
85

Pressure (mb)

1013
1014
1014
1014
1014
1014
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

358
357
359
362
362
360
359
360
361
360
357
354
353
355
357
355
356
360
364
366
371
377
384
404

Thursday 26

Waxing Gibbous 76%

10:56

04:29

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
03 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)

47
51
65
77
75
58
93
98
100
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

39
46
60
73
72
58
82
89
89
89
89
87
86
84
82
85
87
85
82
80
77
73
71
74

Medium Clouds (% Sky Obscured)

12
14
11
7
0
17
32
52
53
58
57
48
48
92
83
85
88
92
96
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
2
19
54
72
77
74
72
76
97
98
83
93
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 (%)

0
0
0
1
1
0
0
0
6
12
17
22
24
28
3
4
2
10
13
16
17
20
23
32

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)

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

Chance of Frost

Temperature (°C)

9
9
9
10
10
11
12
12
13
12
12
12
12
12
11
11
11
11
11
11
11
10
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
93
91
87
86
81
80
79
77
76
75
71
75
79
80
80
80
81
83
84
84
85
85

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1010
1010

Ozone (du)

416
422
422
410
400
391
385
382
375
373
368
365
362
358
358
355
352
350
348
346
344
342
340
339

Friday 27

Waxing Gibbous 85%

12:16

05:18

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 Good
21 OK
22 OK
23 Good
00 Good
01 Good
02 Good
03 OK

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
92
83
76
66
61
45
47
47
46
51
57
63
46
30
16
13
10
7
6
6
5
34

Low Clouds (% Sky Obscured)

78
81
60
40
15
17
24
31
31
32
32
35
39
38
24
20
12
9
4
0
1
2
4
12

Medium Clouds (% Sky Obscured)

99
97
91
83
76
66
61
45
30
13
0
0
0
1
1
0
0
1
1
2
2
1
0
15

High Clouds (% Sky Obscured)

100
100
75
50
25
20
20
20
17
18
17
18
23
27
21
12
6
4
2
1
1
1
1
7

ISS Passover

Visibility (miles)

9
8
7
7
7
7
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

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

Precipitation Probability (%)

39
43
52
56
52
51
44
28
14
8
0
0
2
1
3
3
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.2
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
14
14
14
14
14
13
14
16
15
14
14
12
10
8
8
7
6
7
7
7
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
87
88
90
93
85
78
73
69
67
66
69
73
78
84
87
91
91
93
94
94
94
94

Pressure (mb)

1009
1009
1008
1009
1009
1009
1010
1011
1012
1013
1013
1014
1015
1015
1016
1017
1018
1019
1019
1019
1019
1020
1020
1020

Ozone (du)

337
335
333
334
335
336
337
338
340
343
346
349
352
355
358
362
366
371
380
390
400
400
400
400

Saturday 28

Waxing Gibbous 92%

13:43

05:51

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)

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: 22/02/26 04:05:38. Forecast: 22/02/26 to 28/02/26. Timezone: UTC+0.00