Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 29

Waxing Gibbous 97%

19:36

04:44

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

Sun - Rise: 05:34, Set: 20:28, Transit: 13:01. Moon - Rise: 19:36, Set: 04:44. Civil Dark: 21:07 - 04:55. Nautical Dark: 21:58 - 04:04. Astro Dark: 22:58 - 03:00

Total Clouds (% Sky Obscured)

3
6
10
14
8
2
1
2
1
0
0
0
2
0
0
1
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

3
6
10
14
8
2
1
2
1
0
0
0
2
0
0
1
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
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)

11
12
12
12
13
12
11
11
11
12
13
15
16
17
18
18
18
17
17
16
15
14
10
8

Chance of Frost

Temperature (°C)

9
8
7
7
7
7
6
6
6
7
9
11
14
16
17
18
19
19
19
19
17
16
14
12

Feels Like (°C)

4
3
3
2
3
3
4
3
3
4
6
7
9
11
13
14
15
15
16
15
14
13
12
10

Dew Point (°C)

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

Relative Humidity (%)

73
75
78
81
85
88
91
91
88
84
78
70
65
61
57
54
53
53
58
62
65
68
75
81

Pressure (mb)

1026
1026
1026
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1023
1023
1022
1022
1022
1022
1022
1022
1023

Ozone (du)

380
379
378
379
379
379
379
379
380
380
380
381
381
382
383
384
384
384
383
382
382
383
382
383

Thursday 30

Waxing Gibbous 99%

20:52

04:56

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

Sun - Rise: 05:32, Set: 20:30, Transit: 13:01. Moon - Rise: 20:52, Set: 04:56. Civil Dark: 21:09 - 04:53. Nautical Dark: N/A - 04:01. Astro Dark: 23:02 - 02:56

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
9
3
32
13
58
93
63
80
100
83
67
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
23
30
32
46
50
51
58
81
82

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
5
2
21
9
41
61
35
48
40
51
37
65
85
83

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
51
55
8
63
0
3
59
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
8
8
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
Very Light Rain
None
Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
26
54
33
54
40

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0.5
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
10
9
8
8
7
7
6
6
7
10
13
16
18
20
22
23
23
23
23
21
19
17
16

Feels Like (°C)

9
8
8
7
6
6
5
5
5
6
9
11
14
17
19
21
21
21
21
22
21
19
18
15

Dew Point (°C)

8
7
6
6
6
5
5
5
4
4
6
7
9
11
13
15
15
16
16
17
17
17
16
15

Relative Humidity (%)

81
81
82
84
87
87
87
88
86
81
74
68
66
64
63
63
62
63
64
68
76
85
92
95

Pressure (mb)

1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1020
1020
1019
1019
1018
1018
1018
1018
1018
1018

Ozone (du)

383
380
379
379
378
377
377
379
380
380
379
378
379
379
379
379
377
376
375
377
374
367
364
367

Friday 1

Full Moon 100%

22:07

05:13

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
20 Bad
21 Bad

Sun - Rise: 05:30, Set: 20:31, Transit: 13:01. Moon - Rise: 22:07, Set: 05:13. Civil Dark: 21:11 - 04:51. Nautical Dark: 22:00 - 03:59. Astro Dark: 23:05 - 02:52

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
89
50
68
73
77
78
77
95
100
84
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

80
62
55
59
23
0
5
0
0
0
20
23
33
36
44
68
67
62
53
45
57
67
72
67

Medium Clouds (% Sky Obscured)

78
91
82
57
32
50
48
92
89
50
68
73
39
52
15
21
53
28
29
93
99
99
100
85

High Clouds (% Sky Obscured)

99
90
100
100
100
100
100
100
80
35
40
40
47
43
48
78
100
50
52
100
100
100
100
99

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
7
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
7
7
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
Very Light Rain
Light Rain
None
None
None
None

Precipitation Probability (%)

17
5
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
13
56
68
56
40
24
26

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
98
98
98
98
96
95
93
90
85
81
74
66
61
60
61
63
66
81
93
90
92
92

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016
1015
1014
1014
1014
1014
1013
1013

Ozone (du)

367
365
365
364
365
364
365
366
367
369
371
372
374
376
376
378
379
380
380
379
380
379
380
380

Saturday 2

Waning Gibbous 98%

22:07

05:34

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
20 Bad
21 Bad

Sun - Rise: 05:28, Set: 20:33, Transit: 13:01. Moon - Rise: 22:07, Set: 05:34. Civil Dark: 21:13 - 04:48. Nautical Dark: 22:02 - 03:56. Astro Dark: 23:09 - 02:48

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
89
70
78
80
91
76
64
53
68
71
78

Low Clouds (% Sky Obscured)

80
88
90
91
90
93
94
95
96
89
90
86
84
82
70
77
69
74
62
51
43
53
61
75

Medium Clouds (% Sky Obscured)

68
100
100
98
100
100
100
100
100
100
57
47
38
37
40
41
42
39
30
16
0
2
3
4

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
84
69
53
69
79
60
34
17
3
3
2
1
7
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
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

39
48
53
70
86
95
95
95
95
95
95
87
93
94
95
90
79
64
58
47
27
26
20
10

Precipitation Amount (mm)

0
0
0
0.3
0.5
0.7
0.8
0.9
1.5
0.9
0.6
0.3
0.5
0.6
0.8
0.6
0.4
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
4
5
5
6
8
8
8
8
8
9
9
9
7
8
11
11
11
12
11
10
9
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
10
10
10
9
9
9
9
9
9
10
10
12
13
14
13
14
12
12
13
14
12
11

Dew Point (°C)

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

Relative Humidity (%)

90
89
90
90
88
90
90
91
93
91
88
86
77
70
65
60
57
57
64
67
71
78
86
90

Pressure (mb)

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

Ozone (du)

382
382
382
382
382
383
383
385
386
385
385
388
389
388
386
384
382
379
375
373
374
376
378
376

Sunday 3

Waning Gibbous 95%

23:19

06:05

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
20 Bad
21 Bad

Sun - Rise: 05:26, Set: 20:35, Transit: 13:00. Moon - Rise: 23:19, Set: 06:05. Civil Dark: 21:14 - 04:46. Nautical Dark: 22:05 - 03:54. Astro Dark: 23:13 - 02:44

Total Clouds (% Sky Obscured)

80
74
86
86
81
76
75
80
80
80
60
61
72
72
59
64
78
89
94
96
98
85
74
63

Low Clouds (% Sky Obscured)

80
74
86
86
81
76
75
80
80
80
60
61
72
72
59
64
78
85
88
92
96
68
41
13

Medium Clouds (% Sky Obscured)

8
12
16
15
8
3
13
25
40
42
41
41
44
50
46
38
30
22
24
29
44
23
17
16

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
2
3
3
4
4
3
1
0
1
3
5
14
22
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 (%)

12
13
9
9
6
2
5
6
6
12
14
10
18
22
22
25
22
19
19
20
19
17
14
7

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
90
90
91
91
91
93
93
94
91
87
81
77
71
64
60
64
70
75
77
80
83
84
84

Pressure (mb)

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

Ozone (du)

375
376
377
377
379
381
379
377
376
374
372
372
372
372
374
375
373
370
367
369
370
372
375
377

Monday 4

Waning Gibbous 90%

00:22

06:47

22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 OK
07 OK
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

Sun - Rise: 05:24, Set: 20:36, Transit: 13:00. Moon - Rise: 00:22, Set: 06:47. Civil Dark: 21:16 - 04:44. Nautical Dark: 22:07 - 03:51. Astro Dark: 23:17 - 02:40

Total Clouds (% Sky Obscured)

60
60
58
67
74
83
71
55
30
41
61
83
88
93
97
92
86
81
89
90
90
87
85
79

Low Clouds (% Sky Obscured)

23
33
44
49
59
68
52
36
20
25
36
43
36
16
0
23
47
68
66
63
63
64
66
66

Medium Clouds (% Sky Obscured)

14
8
2
2
2
2
2
1
1
1
0
0
0
4
14
31
42
44
45
55
52
43
28
21

High Clouds (% Sky Obscured)

27
22
21
31
41
51
35
17
1
0
0
0
0
0
0
0
1
2
1
1
1
1
2
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 (%)

6
6
7
6
4
2
4
4
1
1
1
1
5
7
8
23
31
38
40
39
31
30
24
8

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)

2
1
1
1
2
2
3
3
3
3
4
5
6
5
5
5
6
7
8
8
10
11
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
84
82
81
81
82
82
81
82
81
78
76
73
71
69
67
69
70
71
71
71
71
66
62

Pressure (mb)

1013
1013
1013
1013
1012
1012
1012
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

379
378
377
376
376
377
378
379
380
381
382
382
383
384
385
386
385
385
384
383
382
380
382
383

Tuesday 5

Waning Gibbous 83%

01:13

07:42

22 Bad
23 Bad
00 OK
01 OK
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: 05:23, Set: 20:38, Transit: 13:00. Moon - Rise: 01:13, Set: 07:42. Civil Dark: 21:18 - 04:42. Nautical Dark: 22:10 - 03:48. Astro Dark: 23:21 - 02:35

Total Clouds (% Sky Obscured)

67
51
33
42
53
67
74
82
89
89
88
88
84
82
80
76
82
84
76
56
44

Low Clouds (% Sky Obscured)

53
39
20
33
50
67
71
75
79
79
79
79
56
37
11
13
14
19
16
21
33

Medium Clouds (% Sky Obscured)

16
10
7
5
3
0
4
5
8
6
3
2
4
10
17
19
20
26
26
28
23

High Clouds (% Sky Obscured)

1
1
0
1
1
1
2
2
5
5
4
3
3
3
3
1
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

8
6
1
4
4
3
16
19
19
23
23
22
24
25
24
22
17
6
13
13
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
61
65
67
76
85
94
94
94
93
93
91
88
78
68
59
52
45
39
45
51

Pressure (mb)

1010
1010
1010
1009
1009
1009
1009
1010
1010
1010
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

384
385
386
387
390
393
396
398
400
403
401
399
397
397
398
398
399
400
402
403
404

Forecast for Nether Heyford, Northamptonshire, United Kingdom (52.22,-1.04)

Generated: 29/04/26 22:59:09. Forecast: 29/04/26 to 05/05/26. Timezone: UTC+1.00