Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 13

Waning Crescent 9%

03:42

18:06

19 Bad
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

Sun - Rise: 05:09, Set: 20:49, Transit: 13:00. Moon - Rise: 03:42, Set: 18:06. Civil Dark: 21:31 - 04:27. Nautical Dark: 22:29 - 03:28. Astro Dark: 00:00 - 01:54

Total Clouds (% Sky Obscured)

78
79
91
81
98
92
97
84
95
77
57
44
63
66
50
61
43
16
63
94
100
100
98
47

Low Clouds (% Sky Obscured)

78
56
42
46
58
55
47
67
89
77
57
44
53
55
50
48
37
0
41
49
56
54
56
47

Medium Clouds (% Sky Obscured)

55
79
88
81
97
92
96
84
69
41
10
4
58
66
13
61
43
16
63
94
100
100
97
11

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
3

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
31
2
0
0
1
1
1
4
3
3
4
2
31
54
52
65
80
93
90
85
71
56

Precipitation Amount (mm)

0.3
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0.3
0.4
0.7
0.6
0.5
0.4
0.2

Wind Speed/Direction (mph)

14
12
11
10
9
9
8
8
7
7
7
6
6
8
9
10
11
10
9
10
10
11
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
88
91
94
94
96
96
96
98
96
94
96
93
88
84
76
72
66
62
62
67
73
76
81

Pressure (mb)

1001
1001
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1003
1003
1003
1002
1002
1002
1001
1001
1001
1001
1001
1002

Ozone (du)

439
437
437
438
440
442
444
443
442
438
435
433
432
433
433
432
433
433
431
430
431
433
434
435

Thursday 14

Waning Crescent 3%

03:57

No Set

19 Bad
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

Sun - Rise: 05:08, Set: 20:51, Transit: 13:00. Moon - Rise: 03:57, Set: No Set. Civil Dark: 21:33 - 04:25. Nautical Dark: 22:32 - 03:26. Astro Dark: 00:06 - 01:47

Total Clouds (% Sky Obscured)

38
58
55
92
100
95
99
99
95
96
88
89
95
94
84
87
87
65
65
24
45
55
97
43

Low Clouds (% Sky Obscured)

25
45
51
64
65
48
61
53
23
36
32
16
52
44
45
45
36
47
31
24
25
0
24
0

Medium Clouds (% Sky Obscured)

38
57
52
67
96
87
97
93
94
92
84
86
92
90
76
80
79
38
50
1
41
55
74
27

High Clouds (% Sky Obscured)

10
3
53
89
100
92
95
95
59
86
50
50
55
55
45
45
43
45
36
18
4
5
3
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

62
17
0
0
0
0
0
0
0
3
6
22
25
15
9
24
30
41
55
60
62
53
53
43

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
9
7
7
6
6
6
6
5
5
5
5
6
7
8
10
11
12
12
13
13
13
13
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
90
91
91
93
93
91
93
93
93
93
93
94
93
85
76
65
60
63
69
70
70
69
73

Pressure (mb)

1002
1003
1004
1004
1005
1005
1005
1006
1006
1006
1006
1007
1007
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008

Ozone (du)

435
434
429
424
422
421
420
419
420
421
421
420
418
416
415
414
413
413
415
415
415
416
417
420

Friday 15

Waning Crescent 0%

04:17

19:39

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

Sun - Rise: 05:06, Set: 20:52, Transit: 13:00. Moon - Rise: 04:17, Set: 19:39. Civil Dark: 21:35 - 04:23. Nautical Dark: 22:34 - 03:23. Astro Dark: 00:13 - 01:39

Total Clouds (% Sky Obscured)

43
4
1
2
11
9
9
12
23
47
83
85
93
74
62
58
89
99
94
96
94
95
95
97

Low Clouds (% Sky Obscured)

0
0
0
1
5
5
4
4
6
8
40
58
89
64
60
49
64
80
78
81
83
86
86
87

Medium Clouds (% Sky Obscured)

24
1
0
0
0
0
0
0
3
8
16
11
12
22
23
24
33
49
69
92
89
76
73
80

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
27
10
0
0

ISS Passover

Visibility (miles)

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

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
Very Light Rain

Precipitation Probability (%)

35
4
3
1
0
2
0
2
0
0
0
2
4
2
9
23
25
16
15
29
43
39
46
56

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
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
10
8
6
5
4
4
3
3
2
2
3
5
7
8
10
11
11
11
12
12
12
12
11

Feels Like (°C)

10
8
7
6
5
3
3
2
1
0
0
0
2
4
6
8
9
8
7
9
8
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

79
81
87
86
86
86
88
91
91
91
89
91
89
82
74
63
57
55
57
55
59
68
67
73

Pressure (mb)

1008
1009
1009
1009
1010
1009
1009
1010
1010
1009
1009
1009
1009
1010
1010
1009
1009
1009
1009
1009
1008
1008
1008
1008

Ozone (du)

423
429
434
435
435
435
436
436
429
418
414
410
407
405
404
403
402
401
400
399
397
396
396
395

Saturday 16

New Moon 1%

04:47

21:15

19 Bad
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

Sun - Rise: 05:05, Set: 20:54, Transit: 13:00. Moon - Rise: 04:47, Set: 21:15. Civil Dark: 21:37 - 04:22. Nautical Dark: 22:37 - 03:21. Astro Dark: 00:21 - 01:29

Total Clouds (% Sky Obscured)

95
96
96
90
95
100
100
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

85
83
82
72
77
81
76
68
57
60
63
66
65
67
66
72
69
79
78
77
68
65
44
40

Medium Clouds (% Sky Obscured)

56
83
72
74
90
99
85
73
67
80
90
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
5
5
1
1
0
25
51
82
97
99
100
100
100
100
100
100
100
100
100
100
100
100
75

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

50
45
36
26
19
20
35
39
39
32
21
9
32
47
54
57
67
75
76
79
81
74
69
69

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.4
0.5
0.5
0.5
0.5
0.4
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
84
87
90
91
93
91
91
91
95
96
96
96
98
96
93
90
81
79
75
76
81
80
81

Pressure (mb)

1008
1008
1008
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008

Ozone (du)

397
398
398
402
404
405
410
407
402
400
401
401
402
405
408
416
419
421
422
425
428
431
434
440

Sunday 17

Waxing Crescent 5%

05:31

22:46

19 Bad
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

Sun - Rise: 05:03, Set: 20:55, Transit: 13:00. Moon - Rise: 05:31, Set: 22:46. Civil Dark: 21:39 - 04:20. Nautical Dark: 22:39 - 03:19. Astro Dark: 00:31 - 01:14

Total Clouds (% Sky Obscured)

100
100
89
70
68
66
64
60
99
98
97
97
98
97
98
99
100
100
98
96
94
80
68
56

Low Clouds (% Sky Obscured)

28
14
0
1
3
4
19
34
49
65
77
86
0
0
0
28
55
83
68
54
40
29
16
4

Medium Clouds (% Sky Obscured)

100
100
77
46
51
59
49
56
98
88
76
72
53
71
72
69
58
50
63
70
77
63
45
25

High Clouds (% Sky Obscured)

51
27
3
2
1
3
16
30
42
47
38
20
87
75
62
64
53
42
34
29
24
37
42
40

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

60
41
11
8
5
0
1
4
9
25
35
34
24
18
14
31
42
53
56
58
60
53
48
42

Precipitation Amount (mm)

0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
9
8
7
7
6
6
6
6
5
6
6
7
8
10
12
13
13
14
14
15
15
15
14

Feels Like (°C)

7
6
5
5
5
4
3
4
4
2
3
4
5
5
6
7
8
8
9
12
12
11
12
12

Dew Point (°C)

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

Relative Humidity (%)

84
88
91
93
94
94
96
96
96
96
98
98
98
91
87
81
80
78
76
76
74
74
76
80

Pressure (mb)

1008
1008
1009
1009
1008
1008
1008
1008
1007
1007
1007
1006
1006
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012

Ozone (du)

440
439
439
436
435
436
439
440
439
437
436
436
439
434
429
424
417
411
404
400
396
391
391
391

Monday 18

Waxing Crescent 12%

06:37

00:01

19 Bad
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

Sun - Rise: 05:02, Set: 20:57, Transit: 13:00. Moon - Rise: 06:37, Set: 00:01. Civil Dark: 21:40 - 04:18. Nautical Dark: 22:42 - 03:16. Astro Dark: 00:46 - N/A

Total Clouds (% Sky Obscured)

70
85
98
99
99
100
100
100
100
100
100
100
99
99
99
97
96
94
94
95
95
92
87
86

Low Clouds (% Sky Obscured)

23
42
61
49
37
35
42
48
50
43
47
68
55
47
42
52
60
73
81
90
95
92
87
86

Medium Clouds (% Sky Obscured)

41
65
92
91
89
87
89
93
99
99
99
98
85
65
48
49
62
78
62
48
32
28
30
30

High Clouds (% Sky Obscured)

53
67
81
79
81
80
87
82
86
79
75
76
78
72
73
57
42
30
33
31
28
23
16
9

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

39
34
26
25
21
14
20
27
37
56
64
64
49
39
35
37
42
47
49
48
48
45
42
42

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
8
7
6
6
7
7
7
8
8
8
9
10
9
10
12
13
14
16
16
17
17
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
10
10
9
8
8
8
6
6
6
5
5
6
7
8
8
9
9
9
13
12
11
11
12

Dew Point (°C)

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

Relative Humidity (%)

82
87
91
95
96
95
96
96
98
98
98
98
98
96
93
92
86
82
75
75
75
75
79
83

Pressure (mb)

1012
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013

Ozone (du)

391
393
395
396
395
393
392
392
392
392
392
392
392
394
395
396
394
392
390
391
391
392
389
385

Tuesday 19

Waxing Crescent 21%

07:59

00:54

19 Bad
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

Sun - Rise: 05:01, Set: 20:58, Transit: 13:00. Moon - Rise: 07:59, Set: 00:54. Civil Dark: 21:42 - 04:17. Nautical Dark: 22:44 - 03:14. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

89
91
90
81
74
71
84
96
99
100
100
100
96
95
92
92
88
85

Low Clouds (% Sky Obscured)

89
79
68
61
54
46
56
70
88
84
79
73
74
73
72
67
62
57

Medium Clouds (% Sky Obscured)

28
29
27
29
31
31
43
58
71
69
63
61
59
52
62
58
53
48

High Clouds (% Sky Obscured)

18
27
27
31
35
40
35
35
20
43
68
100
96
95
92
67
36
10

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

38
30
14
14
11
3
7
6
0
0
0
0
0
0
0
1
1
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
11
12
12
11
11
10
8
7
7
7
7
8
10
10
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

87
90
93
96
96
95
96
95
93
91
91
93
93
89
84
79
74
71

Pressure (mb)

1013
1014
1014
1015
1015
1015
1016
1016
1016
1017
1017
1018
1018
1018
1019
1019
1019
1020

Ozone (du)

382
380
378
376
375
375
374
372
371
370
367
365
362
357
353
348
348
348

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

Generated: 13/05/26 18:33:22. Forecast: 13/05/26 to 19/05/26. Timezone: UTC+1.00