Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 13

Waning Crescent 9%

03:49

No Set

17 Bad
18 Bad
19 OK
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

Sun - Rise: 05:18, Set: 20:51, Transit: 13:05. Moon - Rise: 03:49, Set: No Set. Civil Dark: 21:32 - 04:37. Nautical Dark: 22:27 - 03:41. Astro Dark: 23:47 - 02:19

Total Clouds (% Sky Obscured)

29
47
33
26
42
18
28
32
24
36
52
54
93
83
71
74
88
98
100
89
75
98
96
90

Low Clouds (% Sky Obscured)

29
28
20
25
26
17
27
31
23
36
52
54
89
72
65
73
79
68
68
67
68
95
78
69

Medium Clouds (% Sky Obscured)

29
0
5
26
42
1
0
0
0
0
0
0
22
35
5
2
9
81
100
82
59
64
93
90

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

47
37
14
0
0
0
0
0
0
0
0
3
10
17
10
31
48
68
87
84
89
79
77
92

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.5
0.6
0.3
0.3
0.7

Wind Speed/Direction (mph)

22
21
19
16
13
12
11
10
9
10
10
10
10
10
11
12
13
13
12
12
10
11
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
69
68
73
73
78
85
85
82
86
86
90
88
81
72
70
68
66
71
76
80
77
80
76

Pressure (mb)

1003
1003
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1003
1003
1003
1003
1002
1002
1002

Ozone (du)

422
422
421
421
424
426
426
426
425
423
421
422
425
427
422
421
423
423
423
423
425
427
428
430

Thursday 14

Waning Crescent 3%

04:05

18:09

17 Bad
18 Bad
19 Bad
20 OK
21 Bad
22 OK
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

Sun - Rise: 05:17, Set: 20:53, Transit: 13:05. Moon - Rise: 04:05, Set: 18:09. Civil Dark: 21:34 - 04:35. Nautical Dark: 22:30 - 03:39. Astro Dark: 23:52 - 02:14

Total Clouds (% Sky Obscured)

65
57
28
1
36
29
44
46
86
99
78
90
57
54
67
88
78
74
78
69
87
89
97
95

Low Clouds (% Sky Obscured)

63
56
26
0
36
29
29
17
45
66
60
52
44
24
43
54
57
50
55
45
52
44
44
56

Medium Clouds (% Sky Obscured)

65
48
28
1
36
29
6
35
58
79
58
43
46
49
54
85
64
67
57
38
53
62
70
59

High Clouds (% Sky Obscured)

0
0
0
0
0
0
18
17
27
26
21
69
10
10
20
20
20
15
10
4
1
0
0
0

ISS Passover

Visibility (miles)

4
9
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
9
8
9
8
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

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

Precipitation Probability (%)

74
61
53
29
27
9
0
0
0
0
0
0
0
0
0
8
28
45
42
41
36
45
49
52

Precipitation Amount (mm)

0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
85
85
88
91
93
93
93
93
93
93
93
93
93
88
85
81
78
80
79
69
61
61
66

Pressure (mb)

1002
1002
1003
1003
1004
1005
1005
1006
1006
1006
1007
1007
1007
1007
1008
1008
1009
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

433
430
429
428
430
429
425
423
421
419
416
416
416
415
415
415
414
414
414
414
414
414
414
417

Friday 15

Waning Crescent 0%

04:26

19:41

17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 OK
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

Sun - Rise: 05:15, Set: 20:54, Transit: 13:05. Moon - Rise: 04:26, Set: 19:41. Civil Dark: 21:35 - 04:34. Nautical Dark: 22:32 - 03:37. Astro Dark: 23:57 - 02:09

Total Clouds (% Sky Obscured)

64
75
54
43
17
27
60
84
84
91
94
64
65
71
80
75
84
81
97
99
99
98
99
99

Low Clouds (% Sky Obscured)

0
23
28
30
17
7
17
19
25
34
56
37
27
32
46
43
45
56
79
84
76
81
78
75

Medium Clouds (% Sky Obscured)

38
49
54
43
0
8
14
20
22
23
25
27
24
27
34
27
37
51
92
99
99
73
57
48

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
20
24
9
12
18

ISS Passover

Visibility (miles)

6
5
6
7
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

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

Precipitation Probability (%)

59
58
44
26
2
0
0
0
0
0
0
0
5
10
10
5
4
20
42
43
35
37
42
45

Precipitation Amount (mm)

0.3
0.3
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
7
7
8
5
4
4
4
4
3
3
3
3
3
3
4
6
7
8
9
9
10
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
79
86
87
85
85
85
86
85
85
82
83
85
85
85
79
73
62
60
59
55
57
62
71

Pressure (mb)

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

Ozone (du)

420
425
427
422
417
415
411
410
407
405
403
401
400
401
400
400
400
398
397
395
394
393
394
395

Saturday 16

New Moon 1%

04:57

21:15

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 05:14, Set: 20:56, Transit: 13:05. Moon - Rise: 04:57, Set: 21:15. Civil Dark: 21:37 - 04:32. Nautical Dark: 22:34 - 03:34. Astro Dark: 00:02 - 02:04

Total Clouds (% Sky Obscured)

100
100
99
98
97
91
87
84
90
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

75
74
78
84
89
79
71
62
56
57
54
49
50
45
61
62
50
36
32
48
56
57
74
49

Medium Clouds (% Sky Obscured)

92
100
95
95
88
83
74
57
72
88
100
100
100
100
100
96
99
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

41
47
22
11
0
0
0
3
50
70
100
100
100
100
100
95
100
100
100
100
74
42
22
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
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 (%)

41
41
39
33
36
41
44
31
19
32
16
17
9
12
20
22
17
33
35
35
38
39
37
46

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)

9
7
5
4
5
5
6
6
5
5
4
5
5
5
6
8
10
11
12
13
13
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
7
7
7
7
7
7
8
8
8
8
7
8
8
8
8
7
7
6
6
6
6
6
6

Relative Humidity (%)

74
78
81
84
85
84
84
93
96
100
98
98
98
96
93
88
82
77
71
67
66
65
64
64

Pressure (mb)

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

Ozone (du)

393
392
393
395
399
403
407
401
400
399
400
401
402
403
408
415
417
419
423
426
430
435
437
437

Sunday 17

Waxing Crescent 5%

05:43

22:45

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 05:12, Set: 20:57, Transit: 13:05. Moon - Rise: 05:43, Set: 22:45. Civil Dark: 21:39 - 04:30. Nautical Dark: 22:37 - 03:32. Astro Dark: 00:07 - 01:58

Total Clouds (% Sky Obscured)

97
96
99
99
88
89
98
98
99
99
100
92
84
77
99
99
94
94
93
90
87
84
81
86

Low Clouds (% Sky Obscured)

42
24
28
16
12
28
43
61
65
66
67
65
65
64
35
36
34
43
52
62
60
57
55
51

Medium Clouds (% Sky Obscured)

62
62
91
98
61
59
97
96
97
94
100
87
67
59
80
70
61
43
27
15
33
46
57
70

High Clouds (% Sky Obscured)

1
0
0
2
0
0
1
2
20
20
20
15
1
0
53
79
75
67
50
33
29
26
30
44

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

45
43
45
32
17
22
28
41
67
71
62
56
33
25
24
28
29
43
52
60
59
59
57
56

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
69
81
88
93
93
94
96
96
98
98
96
98
98
96
90
83
76
77
79
82
83
83
83

Pressure (mb)

1009
1009
1009
1009
1010
1010
1009
1009
1008
1008
1007
1007
1007
1007
1007
1013
1014
1014
1014
1014
1014
1013
1013
1013

Ozone (du)

436
433
432
433
436
438
437
436
435
434
434
434
438
438
425
422
419
416
409
402
395
393
390
388

Monday 18

Waxing Crescent 12%

06:49

00:00

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 05:11, Set: 20:59, Transit: 13:06. Moon - Rise: 06:49, Set: 00:00. Civil Dark: 21:41 - 04:29. Nautical Dark: 22:39 - 03:30. Astro Dark: 00:13 - 01:52

Total Clouds (% Sky Obscured)

91
95
97
99
100
100
100
100
100
100
100
100
99
98
98
99
100
96
95
95
95
91
92
90

Low Clouds (% Sky Obscured)

48
49
46
39
45
56
70
81
74
84
88
87
83
79
77
78
80
79
85
94
92
91
86
81

Medium Clouds (% Sky Obscured)

81
95
95
92
90
87
84
80
72
68
67
59
50
48
50
41
43
40
37
34
31
28
26
22

High Clouds (% Sky Obscured)

59
61
62
77
97
100
100
100
100
100
100
69
38
11
42
71
99
71
40
11
8
4
2
4

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

54
53
45
39
37
39
43
51
57
55
46
43
38
34
29
31
40
47
48
43
39
37
39
45

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
92
95
93
95
96
98
96
96
98
98
98
98
98
96
93
93
90
83
75
69
73
76
79

Pressure (mb)

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

Ozone (du)

388
388
389
390
391
392
391
391
390
390
390
390
391
392
394
392
390
388
388
388
388
385
382
379

Tuesday 19

Waxing Crescent 21%

08:11

00:54

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 05:10, Set: 21:00, Transit: 13:06. Moon - Rise: 08:11, Set: 00:54. Civil Dark: 21:42 - 04:27. Nautical Dark: 22:41 - 03:28. Astro Dark: 00:20 - 01:44

Total Clouds (% Sky Obscured)

87
90
94
95
95
94
89
81
84
86
92
94
95
99
99
99
98
99
99
99

Low Clouds (% Sky Obscured)

71
65
67
66
70
64
58
52
51
52
55
60
69
78
72
62
51
51
48
44

Medium Clouds (% Sky Obscured)

18
14
37
59
77
73
69
72
68
56
53
61
65
66
54
41
28
29
28
26

High Clouds (% Sky Obscured)

11
20
20
20
20
21
16
12
30
54
77
72
67
62
44
29
27
38
43
44

ISS Passover

Visibility (miles)

7
8
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

Precipitation Type

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

Precipitation Probability (%)

48
49
47
37
29
22
10
2
4
3
1
4
4
1
3
3
2
9
9
9

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

17
15
14
11
9
7
7
7
6
7
7
7
7
7
7
8
9
10
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
86
89
90
93
96
96
98
98
95
91
90
88
89
89
86
82
80
77
73

Pressure (mb)

1014
1014
1014
1015
1015
1016
1016
1017
1017
1017
1018
1018
1018
1019
1019
1020
1020
1020
1020
1021

Ozone (du)

377
375
373
372
371
370
369
367
366
363
360
358
354
351
347
346
344
343
342
341

Forecast for Twerton, Bath and North East Somerset, United Kingdom (51.36,-2.38)

Generated: 13/05/26 17:45:15. Forecast: 13/05/26 to 19/05/26. Timezone: UTC+1.00