Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 16

New Moon 0%

04:17

21:15

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

Sun - Rise: 05:06, Set: 20:54, Transit: 13:00. Moon - Rise: 04:17, Set: 21:15. Civil Dark: 21:37 - 04:23. Nautical Dark: 22:37 - 03:21. Astro Dark: 00:21 - 01:29

Total Clouds (% Sky Obscured)

1
25
27
61
79
60
92
90
95
90
91
98
97
97
96
98
98
95
97
100
100
100
100
100

Low Clouds (% Sky Obscured)

1
25
0
0
0
34
63
41
62
82
88
65
77
77
69
76
78
87
87
92
74
99
73
55

Medium Clouds (% Sky Obscured)

1
10
15
40
79
54
80
74
82
77
66
74
89
84
93
98
98
92
97
26
24
99
42
100

High Clouds (% Sky Obscured)

1
1
2
0
0
0
0
0
0
0
37
61
37
45
26
54
37
2
2
28
85
99
100
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

1
0
0
0
0
13
17
18
26
37
34
40
44
54
41
26
28
46
57
48
60
44
23
3

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
91
83
75
72
68
66
66
75
73
62
77
90
87
91
95
96
98
98
96
96
96
96

Pressure (mb)

1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1007
1006
1007
1007
1007
1007
1007
1007
1007
1007
1007

Ozone (du)

401
399
399
398
400
402
403
400
397
393
391
390
389
391
390
389
390
394
397
405
403
395
394
396

Sunday 17

Waxing Crescent 1%

04:47

22:46

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

Sun - Rise: 05:05, Set: 20:55, Transit: 13:00. Moon - Rise: 04:47, Set: 22:46. Civil Dark: 21:39 - 04:22. Nautical Dark: 22:39 - 03:19. Astro Dark: 00:31 - 01:14

Total Clouds (% Sky Obscured)

100
81
69
69
86
100
100
100
100
93
37
63
100
100
55
20
5
42
5
0
0
0
42
45

Low Clouds (% Sky Obscured)

76
48
67
60
56
57
45
49
61
48
32
42
37
0
33
20
0
0
0
0
0
0
3
25

Medium Clouds (% Sky Obscured)

80
2
0
4
4
43
98
100
100
91
37
62
100
100
55
20
5
42
5
0
0
0
42
45

High Clouds (% Sky Obscured)

100
81
61
60
66
100
100
100
55
50
37
40
50
50
3
8
5
14
0
0
0
0
8
45

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
7
4
5
9
5
8
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
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
Light Rain

Precipitation Probability (%)

1
0
0
1
0
0
0
6
18
22
41
58
66
53
50
48
34
18
3
0
0
3
29
78

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.5
0.2
0.2
0.2
0
0
0
0
0
0
0
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
8
8
8
9
10
11
12
13
13
14
15
15
14
13
13
11
9
8
7
7
6
6
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
96
93
90
83
75
65
61
58
62
67
80
84
84
87
87
91
95
96
94
94
96
96

Pressure (mb)

1007
1008
1008
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

400
403
406
411
412
413
414
415
419
421
423
425
426
427
427
428
429
431
431
432
432
431
430
426

Monday 18

Waxing Crescent 5%

05:31

00:01

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: 05:03, Set: 20:57, Transit: 13:00. Moon - Rise: 05:31, Set: 00:01. Civil Dark: 21:40 - 04:20. Nautical Dark: 22:42 - 03:16. Astro Dark: 00:46 - N/A

Total Clouds (% Sky Obscured)

33
41
49
75
70
100
100
98
100
99
98
95
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

21
41
49
74
61
56
54
56
64
84
71
65
58
64
80
88
82
86
79
87
87
86
85
85

Medium Clouds (% Sky Obscured)

33
30
40
45
53
100
100
67
100
81
55
81
33
95
96
100
100
100
100
100
100
100
100
98

High Clouds (% Sky Obscured)

33
3
42
45
14
53
38
49
14
7
0
17
96
100
97
81
94
100
100
94
100
100
100
100

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

54
40
61
67
56
40
38
64
63
60
51
59
46
51
56
46
44
59
67
70
95
95
94
73

Precipitation Amount (mm)

0.4
0
0.4
0.4
0.3
0.2
0
0.4
0.3
0.2
0
0.3
0
0.2
0.3
0
0
0.2
0.3
0.3
0.8
0.7
0.7
0.3

Wind Speed/Direction (mph)

6
6
7
8
10
10
11
11
12
13
14
13
13
12
12
11
10
10
11
12
12
13
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
94
96
96
96
96
89
90
86
86
81
84
79
83
88
93
95
96
96
98
98
96
98

Pressure (mb)

1011
1010
1010
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1008
1007
1007

Ozone (du)

422
422
423
423
421
414
414
410
405
404
400
393
389
386
383
378
375
373
373
371
374
380
384
388

Tuesday 19

Waxing Crescent 12%

06:37

00:54

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: 05:02, Set: 20:58, Transit: 13:00. Moon - Rise: 06:37, Set: 00:54. Civil Dark: 21:42 - 04:18. Nautical Dark: 22:44 - 03:14. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
55
64
97
92
96
97
86
78
63
72
82
84
85
85
86
86
86
88
89

Low Clouds (% Sky Obscured)

89
94
97
92
85
46
51
79
72
68
61
56
57
58
60
65
72
75
76
76
75
76
79
61

Medium Clouds (% Sky Obscured)

91
76
98
99
45
52
47
62
68
81
89
79
65
42
47
61
30
21
25
29
27
24
20
17

High Clouds (% Sky Obscured)

54
51
16
41
61
55
60
43
6
1
1
1
0
0
0
0
2
0
5
12
19
14
31
25

ISS Passover

Visibility (miles)

4
0
0
0
0
9
9
8
9
9
5
6
8
9
7
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
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

72
95
95
67
55
35
40
41
24
41
54
61
73
86
95
83
61
27
33
26
16
13
7
3

Precipitation Amount (mm)

0.3
0.8
0.6
0.2
0
0
0
0
0
0
0.2
0.3
0.4
0.5
0.6
0.5
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
15
14
14
14
15
16
17
17
18
18
18
18
17
16
15
15
15
16
14
14
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
100
98
98
96
92
82
78
83
72
77
79
79
80
79
84
89
80
79
86
81
84
86
84

Pressure (mb)

1006
1006
1005
1005
1005
1006
1006
1006
1006
1006
1006
1006
1007
1007
1008
1008
1009
1009
1010
1011
1011
1011
1012
1012

Ozone (du)

390
390
387
390
388
386
386
386
385
385
384
384
384
385
386
390
389
393
393
394
393
388
383
382

Wednesday 20

Waxing Crescent 21%

07:59

01:29

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: 05:01, Set: 21:00, Transit: 13:00. Moon - Rise: 07:59, Set: 01:29. Civil Dark: 21:44 - 04:17. Nautical Dark: 22:46 - 03:12. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

87
74
79
85
91
97
98
98
99
95
89
82
75
97
100
92
88
95
98
96
93
96
98
100

Low Clouds (% Sky Obscured)

66
65
64
71
81
89
82
75
69
56
48
39
36
38
35
50
39
28
29
31
33
35
36
35

Medium Clouds (% Sky Obscured)

55
30
24
41
45
50
48
51
60
77
55
49
33
19
3
54
29
35
47
39
36
48
56
70

High Clouds (% Sky Obscured)

24
7
24
25
25
15
10
10
10
10
8
8
26
59
100
88
85
81
86
83
81
88
94
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 (%)

3
3
1
3
6
2
19
25
25
34
27
19
19
18
7
10
8
0
1
1
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)

13
13
13
13
13
12
13
13
13
14
16
17
17
15
13
11
10
10
9
8
7
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
80
87
87
81
84
87
87
93
90
81
73
73
74
75
75
83
89
95
95
93
93
93
95

Pressure (mb)

1013
1013
1014
1015
1016
1016
1017
1017
1018
1019
1019
1019
1020
1020
1021
1021
1022
1022
1023
1023
1023
1024
1024
1024

Ozone (du)

379
374
367
360
356
354
352
350
347
347
349
347
344
343
343
343
343
344
344
344
344
343
343
342

Thursday 21

Waxing Crescent 31%

09:29

01:51

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 OK

Sun - Rise: 04:59, Set: 21:01, Transit: 13:00. Moon - Rise: 09:29, Set: 01:51. Civil Dark: 21:46 - 04:15. Nautical Dark: 22:49 - 03:09. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

82
64
48
62
74
83
75
67
71
77
78
83
83
82
80
79
77
79
75
71
70
59
44
26

Low Clouds (% Sky Obscured)

31
25
32
40
46
52
53
54
48
44
41
41
48
46
30
38
42
42
28
16
0
3
7
11

Medium Clouds (% Sky Obscured)

48
22
2
2
3
3
4
5
11
21
42
51
39
28
15
29
40
55
42
26
22
10
9
2

High Clouds (% Sky Obscured)

75
49
18
36
54
77
55
36
13
10
5
1
6
12
14
10
12
8
33
58
70
55
40
26

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
9
8
9
11
12
12
13
13
14
19
18
18
18
18
18
17
17
17
16
15
14
10
10

Dew Point (°C)

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

Relative Humidity (%)

95
95
95
95
87
82
75
72
67
65
64
64
65
69
75
78
83
87
92
92
92
91
91
91

Pressure (mb)

1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1025
1025
1024
1024
1024
1024

Ozone (du)

342
340
339
338
338
338
338
338
338
338
338
338
338
338
337
337
343
350
356
355
353
351
350
348

Friday 22

Waxing Crescent 42%

10:57

02:08

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

Sun - Rise: 04:58, Set: 21:03, Transit: 13:00. Moon - Rise: 10:57, Set: 02:08. Civil Dark: 21:47 - 04:14. Nautical Dark: 22:51 - 03:07. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

33
44
54
50
47
44
58
68
72
56
27
20
12
12
19
44
65
78
66
65
65

Low Clouds (% Sky Obscured)

15
19
22
16
11
5
19
33
45
49
27
20
12
10
5
5
6
8
9
10
9

Medium Clouds (% Sky Obscured)

2
2
1
1
0
0
3
7
11
22
27
20
12
12
19
14
7
0
7
15
22

High Clouds (% Sky Obscured)

33
44
50
39
31
29
37
44
51
56
27
20
12
12
0
2
3
5
5
5
10

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

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 (%)

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

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)

4
4
3
3
5
7
9
10
12
13
13
12
12
12
11
11
9
8
8
8
8

Chance of Frost

Temperature (°C)

9
10
11
12
14
16
19
20
21
23
23
23
23
23
22
21
20
18
16
16
15

Feels Like (°C)

9
9
9
8
12
14
14
16
17
18
24
23
23
23
23
23
20
20
19
18
18

Dew Point (°C)

8
9
9
10
11
13
14
15
15
16
16
17
17
17
17
17
16
15
14
14
14

Relative Humidity (%)

91
88
88
87
83
78
75
71
68
64
65
66
66
69
73
77
80
83
87
89
90

Pressure (mb)

1024
1024
1024
1024
1024
1023
1023
1023
1022
1022
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

347
346
346
345
345
345
345
345
345
345
346
346
347
346
346
345
345
344
343
343
342

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

Generated: 16/05/26 04:03:06. Forecast: 16/05/26 to 22/05/26. Timezone: UTC+1.00