Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 14

Waning Crescent 9%

03:58

18:02

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

Sun - Rise: 05:09, Set: 20:46, Transit: 12:59. Moon - Rise: 03:58, Set: 18:02. Civil Dark: 21:28 - 04:28. Nautical Dark: 22:24 - 03:31. Astro Dark: 23:48 - 02:04

Total Clouds (% Sky Obscured)

88
78
87
50
56
69
75
73
100
100
100
81
1
0
5
26
48
68
80
100
100
99
96
88

Low Clouds (% Sky Obscured)

53
48
22
50
38
47
57
55
49
66
70
57
0
0
5
15
40
45
27
44
30
33
30
30

Medium Clouds (% Sky Obscured)

10
5
11
3
22
23
41
44
100
79
45
65
1
0
5
10
17
68
80
100
100
99
96
88

High Clouds (% Sky Obscured)

0
0
0
0
0
0
3
1
0
0
0
0
1
0
0
26
48
57
42
67
67
70
83
84

ISS Passover

Visibility (miles)

9
9
9
2
6
8
9
9
8
7
9
4
4
4
6
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

17
29
36
39
47
52
59
70
87
80
76
75
50
27
11
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.6
0.5
0.5
0.6
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
76
68
67
64
64
63
55
52
60
58
74
84
91
93
91
93
94
96
94
93
93
91
90

Pressure (mb)

1002
1003
1002
1002
1002
1002
1002
1002
1001
1001
1002
1002
1003
1004
1004
1005
1005
1005
1006
1006
1006
1007
1007
1008

Ozone (du)

429
428
426
424
424
425
426
427
430
431
432
430
431
432
432
428
425
422
419
416
414
414
415
415

Friday 15

Waning Crescent 3%

04:19

19:34

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

Sun - Rise: 05:08, Set: 20:48, Transit: 12:59. Moon - Rise: 04:19, Set: 19:34. Civil Dark: 21:30 - 04:26. Nautical Dark: 22:26 - 03:29. Astro Dark: 23:53 - 01:59

Total Clouds (% Sky Obscured)

62
100
99
100
100
100
100
100
61
59
67
57
39
14
5
4
1
1
1
1
1
8
70
73

Low Clouds (% Sky Obscured)

26
71
52
34
16
50
46
30
48
48
49
42
32
9
0
0
0
0
0
0
0
0
0
48

Medium Clouds (% Sky Obscured)

62
89
40
40
45
50
46
87
61
59
67
57
4
2
0
0
0
0
0
0
0
4
33
27

High Clouds (% Sky Obscured)

62
13
5
5
6
4
4
2
2
0
0
0
0
0
0
0
0
0
0
1
1
1
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
0
3
25
37
48
55
56
62
71
61
44
33
29
14
1
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
9
10
11
12
12
12
13
13
13
13
12
11
9
8
7
5
4
4
3
3
2
2
4

Feels Like (°C)

3
5
6
8
9
9
10
10
12
11
11
11
9
7
6
5
4
5
3
3
2
1
1
3

Dew Point (°C)

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

Relative Humidity (%)

84
75
65
56
55
59
62
64
66
68
74
81
83
90
95
93
93
91
93
93
94
91
89
85

Pressure (mb)

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

Ozone (du)

414
414
415
416
415
414
414
414
415
417
420
426
431
432
432
431
428
418
413
409
407
407
407
406

Saturday 16

New Moon 0%

04:50

21:09

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
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 05:07, Set: 20:49, Transit: 12:59. Moon - Rise: 04:50, Set: 21:09. Civil Dark: 21:31 - 04:25. Nautical Dark: 22:29 - 03:26. Astro Dark: 23:58 - 01:53

Total Clouds (% Sky Obscured)

80
85
96
96
95
85
85
91
94
92
94
98
98
100
97
98
99
99
99
100
98
97
95
95

Low Clouds (% Sky Obscured)

40
48
87
86
86
77
79
82
87
80
85
71
85
80
71
79
76
79
83
89
88
86
85
75

Medium Clouds (% Sky Obscured)

26
28
29
67
62
23
24
24
24
23
22
22
48
83
95
96
96
99
99
99
90
58
57
82

High Clouds (% Sky Obscured)

0
0
2
0
1
1
0
0
29
58
39
33
48
91
17
15
11
15
14
13
9
4
0
19

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
8
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
1
1
6
3
1
3
5
18
32
46
38
30
24
22
35
48
46
42
44
31
36
21
40

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
73
62
54
50
47
45
46
50
52
56
72
78
87
88
90
93
96
100
98
96
96
96
95

Pressure (mb)

1011
1011
1011
1010
1010
1010
1010
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1010

Ozone (du)

404
403
402
401
400
399
399
398
397
396
395
395
396
399
397
394
391
391
393
400
404
407
409
408

Sunday 17

Waxing Crescent 1%

05:35

22:39

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
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 05:05, Set: 20:51, Transit: 12:59. Moon - Rise: 05:35, Set: 22:39. Civil Dark: 21:33 - 04:23. Nautical Dark: 22:31 - 03:24. Astro Dark: 00:04 - 01:47

Total Clouds (% Sky Obscured)

97
98
99
99
100
100
99
99
99
99
99
96
97
94
76
65
58
72
86
96
97
79
81
82

Low Clouds (% Sky Obscured)

69
62
64
67
71
68
66
65
52
38
28
34
39
48
34
19
14
19
23
21
10
6
1
19

Medium Clouds (% Sky Obscured)

84
88
91
96
100
96
95
93
96
97
99
42
42
42
40
44
58
56
86
82
83
31
25
37

High Clouds (% Sky Obscured)

40
61
74
88
100
96
92
89
62
40
20
21
30
6
4
10
15
37
64
92
88
79
72
81

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

61
60
66
74
83
91
84
71
60
51
39
30
18
11
8
6
5
20
23
4
0
1
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
93
86
77
76
73
75
79
74
71
71
74
81
82
87
90
91
94
94
94
96
96
96
93

Pressure (mb)

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

Ozone (du)

399
398
401
402
406
413
417
420
422
424
427
428
428
427
427
425
425
427
428
432
433
436
439
439

Monday 18

Waxing Crescent 5%

06:41

23:54

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
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 05:04, Set: 20:52, Transit: 12:59. Moon - Rise: 06:41, Set: 23:54. Civil Dark: 21:35 - 04:21. Nautical Dark: 22:33 - 03:22. Astro Dark: 00:10 - 01:40

Total Clouds (% Sky Obscured)

80
81
94
98
100
100
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

38
60
67
71
75
84
91
100
100
100
100
90
88
87
88
90
92
94
97
100
99
98
97
94

Medium Clouds (% Sky Obscured)

48
60
60
61
68
62
65
95
95
95
97
100
100
100
100
100
100
90
80
71
52
33
19
15

High Clouds (% Sky Obscured)

80
81
76
72
70
66
54
45
64
84
100
100
100
100
100
100
100
78
56
34
56
76
92
91

ISS Passover

Visibility (miles)

9
9
9
7
5
5
7
5
7
9
9
9
8
7
5
5
4
4
6
7
9
8
7
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
6
29
39
47
59
74
80
81
84
71
55
66
76
88
95
95
91
84
78
73
72
68
67

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
77
65
63
66
74
75
68
76
71
70
72
79
89
96
96
95
95
95
96
96
95
96
98

Pressure (mb)

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

Ozone (du)

438
432
426
419
411
405
400
394
391
387
383
379
379
379
379
378
378
378
380
383
385
384
382
380

Tuesday 19

Waxing Crescent 12%

08:03

00:48

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
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 05:03, Set: 20:54, Transit: 12:59. Moon - Rise: 08:03, Set: 00:48. Civil Dark: 21:36 - 04:20. Nautical Dark: 22:36 - 03:20. Astro Dark: 00:18 - 01:32

Total Clouds (% Sky Obscured)

100
100
100
100
99
99
100
100
92
81
72
69
67
60
78
90
99
86
72
58
66
68
66
71

Low Clouds (% Sky Obscured)

91
88
83
79
75
79
84
87
78
69
57
60
66
60
70
73
75
69
63
57
62
67
66
70

Medium Clouds (% Sky Obscured)

10
10
7
9
11
9
12
35
46
39
14
6
3
2
3
4
5
5
4
4
6
5
5
6

High Clouds (% Sky Obscured)

93
95
95
96
98
99
100
100
67
33
3
5
3
1
18
39
58
43
22
5
3
1
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

63
57
69
82
88
87
88
83
76
67
44
33
24
11
17
22
29
35
37
36
27
18
6
8

Precipitation Amount (mm)

0.3
0
0.3
0.5
0.6
0.5
0.5
0.5
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
11
11
11
12
12
12
12
12
12
12
12
12
12
12
11
11
10
11
11
11

Relative Humidity (%)

92
87
82
78
73
69
71
71
72
73
75
77
82
87
93
93
93
93
92
93
93
95
95
95

Pressure (mb)

1010
1010
1010
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1013
1013
1013
1014
1014
1014
1015
1015
1016
1016
1017

Ozone (du)

380
380
379
378
377
377
377
377
378
379
380
382
382
383
383
383
383
383
384
385
386
388
390
392

Wednesday 20

Waxing Crescent 21%

08:03

01:23

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 Good
22 OK
23 OK
00 Bad

Sun - Rise: 05:01, Set: 20:55, Transit: 12:59. Moon - Rise: 08:03, Set: 01:23. Civil Dark: 21:38 - 04:18. Nautical Dark: 22:38 - 03:18. Astro Dark: 00:26 - 01:21

Total Clouds (% Sky Obscured)

76
81
84
88
92
91
88
86
73
58
49
33
19
2
16
31
49

Low Clouds (% Sky Obscured)

68
68
68
66
67
63
58
58
47
35
20
13
7
0
3
6
13

Medium Clouds (% Sky Obscured)

7
6
7
10
11
21
24
23
18
13
9
6
3
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
30
58
49
33
19
0
16
31
43

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

11
13
17
19
12
20
23
24
23
21
17
15
12
1
2
1
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
10
10
10
10
10
10
10
10
11
11
11
11
11
10
9
9

Relative Humidity (%)

89
83
78
73
68
64
64
63
63
66
69
73
79
86
93
93
95

Pressure (mb)

1018
1018
1018
1019
1019
1020
1020
1020
1020
1021
1021
1022
1023
1023
1024
1025
1025

Ozone (du)

390
388
386
385
385
384
380
376
372
368
365
361
357
353
349
347
344

Forecast for Bray Court, Windsor and Maidenhead, United Kingdom (51.50,-0.70)

Generated: 14/05/26 08:04:15. Forecast: 14/05/26 to 20/05/26. Timezone: UTC+1.00