Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 28

Waxing Gibbous 82%

15:19

05:36

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

Sun - Rise: 06:40, Set: 19:29, Transit: 13:04. Moon - Rise: 15:19, Set: 05:36. Civil Dark: 20:03 - 06:06. Nautical Dark: 20:44 - 05:24. Astro Dark: 20:26 - 04:40

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
8
5
0
36
8
41
100
100
100
100
100
100
100
100
100
100
61
50

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
8
5
0
18
0
0
0
0
0
22
52
58
73
80
100
86
61
50

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
10
8
26
50
100
94
100
100
100
99
96
100
91
0
28

High Clouds (% Sky Obscured)

0
0
0
0
0
0
2
2
0
20
8
41
100
100
100
100
100
100
100
100
100
99
55
50

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
2
2
5
18
28
37
8
1
6

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
9
9
8
8
7
6
6
6
6
7
8
10
12
14
15
16
19
21
22
22
21
20
19

Chance of Frost

Temperature (°C)

5
4
4
3
3
2
2
2
1
1
1
3
4
6
7
8
9
9
9
10
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

-0
-0
-0
0
0
1
1
1
1
0
0
1
1
2
2
3
4
5
5
6
5
6
7
6

Relative Humidity (%)

68
72
76
80
85
89
93
94
94
93
91
86
79
75
69
67
73
76
76
76
76
81
84
84

Pressure (mb)

1028
1029
1030
1030
1030
1030
1030
1030
1031
1031
1030
1030
1030
1029
1029
1028
1027
1025
1023
1022
1021
1020
1020
1020

Ozone (du)

405
399
395
392
390
391
389
386
384
380
377
375
373
373
371
369
367
366
365
363
360
360
355
352

Sunday 29

Waxing Gibbous 89%

16:40

05:49

20 Bad
21 Bad
22 Bad
23 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 OK
05 Bad
06 OK
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

Sun - Rise: 06:37, Set: 19:31, Transit: 13:04. Moon - Rise: 16:40, Set: 05:49. Civil Dark: 20:05 - 06:03. Nautical Dark: 20:46 - 05:22. Astro Dark: 21:28 - 04:37

Total Clouds (% Sky Obscured)

50
96
63
23
65
71
66
42
41
34
35
46
48
53
56
51
50
96
89
88
91
79
40
37

Low Clouds (% Sky Obscured)

50
55
46
23
54
57
64
26
29
34
35
41
35
48
53
45
45
96
81
86
91
79
40
37

Medium Clouds (% Sky Obscured)

28
61
28
0
11
14
22
16
9
0
0
4
12
2
6
0
0
0
21
0
0
0
0
0

High Clouds (% Sky Obscured)

50
43
22
23
20
65
4
33
41
6
9
30
45
45
2
2
0
0
0
0
0
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

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

Precipitation Probability (%)

6
18
60
8
10
1
2
6
0
1
0
0
0
1
15
18
20
19
6
4
7
11
1
0

Precipitation Amount (mm)

0
0
0.6
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)

19
17
16
14
13
13
13
14
11
10
12
12
13
14
17
18
18
17
18
18
17
17
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
84
82
85
88
88
88
81
86
93
94
89
86
81
73
66
65
67
63
65
66
67
68
73

Pressure (mb)

1020
1019
1020
1020
1021
1021
1021
1021
1021
1022
1022
1022
1023
1023
1024
1024
1024
1024
1024
1024
1024
1025
1025
1026

Ozone (du)

352
346
342
338
337
335
332
330
330
329
327
326
327
326
327
327
325
323
321
319
318
313
312
312

Monday 30

Waxing Gibbous 95%

17:58

06:00

20 Good
21 OK
22 Bad
23 Bad
00 Bad
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 OK

Sun - Rise: 06:35, Set: 19:32, Transit: 13:04. Moon - Rise: 17:58, Set: 06:00. Civil Dark: 20:05 - 06:01. Nautical Dark: 20:46 - 05:19. Astro Dark: 21:31 - 04:35

Total Clouds (% Sky Obscured)

0
17
61
70
65
81
82
87
82
100
100
100
100
100
100
98
99
98
96
96
84
61
51
41

Low Clouds (% Sky Obscured)

0
5
19
5
21
39
73
87
82
100
100
96
100
100
100
98
95
95
81
52
47
40
36
28

Medium Clouds (% Sky Obscured)

0
10
36
52
41
56
59
54
55
51
84
100
53
38
24
29
15
14
17
19
17
19
13
11

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
55
50
2
3
3
3
3
1
2
2
2
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
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
2
12
41
46
36
2
1
3
7
20
28
32
29
21
9

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

Chance of Frost

Temperature (°C)

8
7
6
6
6
6
6
6
6
6
7
7
7
8
8
9
11
12
14
14
14
15
14
12

Feels Like (°C)

5
3
3
3
4
3
3
3
4
4
3
4
5
5
6
7
7
9
10
11
11
12
13
12

Dew Point (°C)

4
4
4
3
4
5
5
5
5
5
5
6
6
6
7
8
8
9
10
11
10
10
10
10

Relative Humidity (%)

75
79
82
79
88
93
93
93
94
94
90
91
93
91
91
88
81
84
80
79
73
74
75
83

Pressure (mb)

1026
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028
1029
1029
1029
1029
1029
1029
1028
1028
1028
1028
1028
1028

Ozone (du)

312
317
316
317
319
321
323
325
329
327
322
317
312
312
313
313
314
315
317
316
315
314
315
317

Tuesday 31

Waxing Gibbous 99%

19:15

06:10

20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
02 OK
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

Sun - Rise: 06:33, Set: 19:34, Transit: 13:03. Moon - Rise: 19:15, Set: 06:10. Civil Dark: 20:07 - 05:58. Nautical Dark: 20:48 - 05:17. Astro Dark: 21:33 - 04:32

Total Clouds (% Sky Obscured)

37
29
28
31
31
30
38
55
60
58
59
67
77
85
89
91
92
94
97
100
98
96
95
94

Low Clouds (% Sky Obscured)

27
24
25
29
31
30
38
48
48
42
39
47
60
72
77
80
84
89
95
100
95
91
88
80

Medium Clouds (% Sky Obscured)

14
9
6
3
0
0
0
0
0
0
2
2
2
2
2
2
2
0
0
0
5
11
57
71

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
1
1
1
0
1
0
1
1
1
2
2
3
4
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
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 (%)

7
2
1
0
0
0
0
0
0
0
0
0
0
0
0
1
2
1
3
2
10
9
6
11

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
90
88
85
84
84
81
79
79
79
77
77
78
76
68
63
62
62
65
65
65
73
76
77

Pressure (mb)

1028
1028
1028
1028
1028
1028
1028
1027
1027
1027
1027
1026
1026
1026
1026
1026
1025
1024
1024
1023
1022
1022
1021
1021

Ozone (du)

318
321
325
325
325
324
325
326
324
327
327
328
329
328
328
328
328
328
330
331
332
332
332
333

Wednesday 1

Waxing Gibbous 100%

No Rise

06:20

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 06:30, Set: 19:36, Transit: 13:03. Moon - Rise: No Rise, Set: 06:20. Civil Dark: 20:09 - 05:56. Nautical Dark: 20:50 - 05:14. Astro Dark: 21:35 - 04:29

Total Clouds (% Sky Obscured)

94
93
95
98
100
100
100
100
95
90
85
86
84
89
91
90
89
92
93
97
96
93
92
85

Low Clouds (% Sky Obscured)

71
65
69
74
81
59
59
64
69
73
75
79
82
86
89
90
89
92
93
95
92
88
84
73

Medium Clouds (% Sky Obscured)

35
52
93
50
100
97
92
89
36
17
5
3
2
0
0
20
2
6
9
14
34
34
25
19

High Clouds (% Sky Obscured)

23
46
60
67
85
91
96
100
73
43
0
0
0
0
1
13
2
8
14
17
13
8
10
16

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 (%)

11
11
14
15
18
22
30
37
30
18
4
4
3
1
2
2
0
3
1
0
1
1
0
5

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
76
76
80
82
85
88
94
94
93
87
85
83
79
76
73
68
64
64
64
63
68
72
75

Pressure (mb)

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

Ozone (du)

330
328
328
327
329
333
337
343
352
361
367
369
369
371
374
377
380
381
384
388
392
394
396
398

Thursday 2

Full Moon 99%

20:31

06:32

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 06:28, Set: 19:38, Transit: 13:03. Moon - Rise: 20:31, Set: 06:32. Civil Dark: 20:10 - 05:54. Nautical Dark: 20:52 - 05:11. Astro Dark: 21:38 - 04:26

Total Clouds (% Sky Obscured)

75
57
65
81
96
86
77
66
77
86
94
95
96
98
99
99
100
95
92
95
95
93
89
81

Low Clouds (% Sky Obscured)

61
50
64
78
90
76
62
50
53
50
47
58
65
77
69
60
50
48
46
45
44
44
44
48

Medium Clouds (% Sky Obscured)

20
13
30
49
64
68
76
66
72
74
75
68
49
41
33
25
16
28
33
32
41
47
43
41

High Clouds (% Sky Obscured)

17
17
34
51
65
53
39
27
13
6
0
0
0
0
1
1
2
6
8
15
15
19
18
27

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 (%)

6
3
7
11
9
8
5
1
1
1
1
14
23
31
42
48
48
39
29
11
21
24
22
18

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
6
5
4
3
3
3
3
4
5
5
6
7
8
7
7
10
9
9
10
9
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
5
4
4
4
4
2
2
1
1
0
-1
1
2
2
3
4
4
4
4
5
5
5
6

Dew Point (°C)

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

Relative Humidity (%)

79
81
83
86
88
91
88
88
85
85
83
82
85
86
90
90
91
91
85
78
72
74
77
78

Pressure (mb)

1015
1014
1014
1014
1013
1013
1013
1012
1012
1012
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1011
1011

Ozone (du)

398
398
398
399
400
401
404
407
410
411
412
413
414
415
415
415
415
415
413
410
407
407
407
407

Friday 3

Waning Gibbous 96%

21:47

06:45

20 Bad
21 Bad
22 Bad
23 Bad
00 OK
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

Sun - Rise: 06:26, Set: 19:39, Transit: 13:03. Moon - Rise: 21:47, Set: 06:45. Civil Dark: 20:12 - 05:51. Nautical Dark: 20:54 - 05:09. Astro Dark: 21:40 - 04:23

Total Clouds (% Sky Obscured)

77
75
61
53
45
55
65
75
78
82
86
81
75
69
65
68
70
69
67
67
71
74
80

Low Clouds (% Sky Obscured)

52
57
49
40
30
42
55
67
70
73
76
72
67
65
62
57
52
55
60
60
60
58
54

Medium Clouds (% Sky Obscured)

29
12
12
14
14
20
32
40
36
34
35
30
31
29
20
10
0
2
3
6
18
31
53

High Clouds (% Sky Obscured)

31
35
29
29
28
23
16
11
23
40
58
61
73
69
56
45
34
27
20
12
13
13
15

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

Fog (%)

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

Precipitation Probability (%)

10
2
1
1
0
0
0
0
1
6
8
31
36
34
25
18
13
17
15
12
10
7
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

Wind Speed/Direction (mph)

6
5
4
4
4
3
3
3
4
4
5
6
7
9
11
10
11
12
12
12
14
13
13

Chance of Frost

Temperature (°C)

8
7
6
5
5
4
4
3
3
3
4
4
6
7
8
10
11
13
13
14
15
14
13

Feels Like (°C)

5
5
4
4
5
4
1
1
1
1
1
1
2
2
2
2
3
3
9
8
8
9
10

Dew Point (°C)

4
3
2
2
2
1
1
1
1
2
2
3
4
6
7
8
9
10
10
10
10
9
9

Relative Humidity (%)

77
78
76
79
80
82
83
85
86
88
89
93
91
91
91
88
87
86
80
75
71
71
72

Pressure (mb)

1012
1012
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013

Ozone (du)

407
407
406
405
404
403
400
398
395
393
390
388
388
388
388
386
385
384
382
381
380
379
378

Forecast for Bourn, Cambridgeshire, United Kingdom (52.20,-0.05)

Generated: 28/03/26 20:16:03. Forecast: 28/03/26 to 03/04/26. Timezone: UTC+0.00