Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 29

Waxing Gibbous 97%

18:29

04:57

11 Good
12 Good
13 OK
14 OK
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
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:48, Set: 20:32, Transit: 13:11. Moon - Rise: 18:29, Set: 04:57. Civil Dark: 21:09 - 05:11. Nautical Dark: 21:56 - 04:23. Astro Dark: 22:53 - 03:25

Total Clouds (% Sky Obscured)

0
7
9
19
100
100
100
95
100
100
83
99
100
100
65
70
99
94
68
66
78
100
100
100

Low Clouds (% Sky Obscured)

0
2
4
14
3
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
7
9
19
2
0
50
48
77
25
21
14
0
0
0
14
33
23
21
19
18
14
7
0

High Clouds (% Sky Obscured)

0
0
0
0
100
100
100
83
98
49
83
99
100
100
65
70
99
94
68
55
75
100
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
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 (%)

4
1
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
1
1
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)

20
20
20
20
20
19
18
18
18
18
19
19
20
20
19
18
18
17
16
16
15
15
17
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
64
64
62
64
66
67
69
69
70
65
61
57
56
56
54
53
55
57
59
67
72
73
71

Pressure (mb)

1021
1020
1020
1019
1019
1019
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1019
1019
1019
1019
1019

Ozone (du)

402
407
406
402
394
387
387
384
383
381
380
380
379
378
376
377
378
377
376
374
372
371
371
372

Thursday 30

Waxing Gibbous 99%

19:42

05:12

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 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:47, Set: 20:33, Transit: 13:11. Moon - Rise: 19:42, Set: 05:12. Civil Dark: 21:10 - 05:09. Nautical Dark: 21:58 - 04:21. Astro Dark: 22:56 - 03:22

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
99
100
98
100
67
49
29
62
58
63
60
67
81
87
85
91
99
99

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
58
54
63
71
80

Medium Clouds (% Sky Obscured)

2
7
16
22
30
60
63
60
9
17
17
14
19
39
46
60
60
65
69
67
72
76
80
72

High Clouds (% Sky Obscured)

100
100
100
99
100
100
98
100
96
100
50
26
4
32
40
56
60
52
65
75
75
75
60
65

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
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
7
15
47
71
71
70

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.8
0.6
0.6

Wind Speed/Direction (mph)

19
20
20
19
19
17
16
15
14
11
9
6
4
4
4
3
3
3
3
3
2
3
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
64
64
66
65
69
70
69
69
70
66
70
76
78
82
85
90
88
90
91
90
84
80
79

Pressure (mb)

1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020

Ozone (du)

373
374
375
375
375
374
372
370
368
368
368
369
369
369
368
367
367
366
365
365
364
364
362
363

Friday 1

Full Moon 100%

20:56

05:30

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
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:45, Set: 20:35, Transit: 13:11. Moon - Rise: 20:56, Set: 05:30. Civil Dark: 21:12 - 05:07. Nautical Dark: 22:00 - 04:18. Astro Dark: 22:59 - 03:19

Total Clouds (% Sky Obscured)

100
99
98
99
99
100
99
98
100
100
93
100
100
98
100
98
100
98
96
83
83
83
82
83

Low Clouds (% Sky Obscured)

75
77
86
82
91
77
60
59
59
64
50
44
49
54
37
36
36
50
51
48
41
37
34
35

Medium Clouds (% Sky Obscured)

67
91
90
86
54
66
56
92
7
59
35
47
40
51
78
88
69
61
56
43
18
47
31
48

High Clouds (% Sky Obscured)

67
4
4
3
42
90
95
81
100
96
56
100
100
48
100
77
98
88
77
33
45
53
53
42

ISS Passover

Visibility (miles)

9
6
9
9
9
9
9
9
7
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

Light Rain
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 (%)

58
38
36
21
8
11
20
10
11
5
0
0
1
7
20
23
2
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.4
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
5
5
4
3
2
2
3
3
2
3
2
2
2
2
3
2
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
78
78
80
80
79
85
86
89
96
96
96
96
96
95
96
95
93
93
90
90
83
76
69

Pressure (mb)

1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1020
1020
1020
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1017

Ozone (du)

364
365
365
364
363
361
361
360
362
366
365
365
366
366
365
365
367
370
372
375
375
377
378
378

Saturday 2

Waning Gibbous 98%

22:09

05:54

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
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:43, Set: 20:36, Transit: 13:11. Moon - Rise: 22:09, Set: 05:54. Civil Dark: 21:14 - 05:05. Nautical Dark: 22:03 - 04:16. Astro Dark: 23:02 - 03:15

Total Clouds (% Sky Obscured)

86
88
92
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

39
46
44
44
32
21
11
1
9
20
31
49
69
85
85
86
87
91
85
88
96
95
94
84

Medium Clouds (% Sky Obscured)

63
68
74
80
83
92
96
100
100
100
100
100
100
100
100
60
98
100
100
100
98
95
93
63

High Clouds (% Sky Obscured)

31
25
50
75
100
100
100
100
100
100
100
100
100
100
98
96
94
96
98
100
100
99
55
60

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
1
0
0

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

Precipitation Probability (%)

0
5
33
57
61
54
52
41
43
42
43
81
95
95
95
95
95
95
95
95
95
95
83
62

Precipitation Amount (mm)

0
0
0
0.3
0.3
0
0
0
0
0
0
0.4
0.7
0.9
1.3
1.5
1.6
1.2
0.8
0.6
1.4
1
0.5
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
17
18
18
18
17
17
16
15
14
13
13
13
13
13
13
13
13
13
12
13
13
13
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
66
66
66
70
71
72
75
82
80
78
81
81
80
84
87
87
89
92
93
95
98
98
98

Pressure (mb)

1017
1017
1016
1015
1015
1014
1014
1014
1013
1013
1013
1013
1012
1011
1011
1010
1009
1009
1009
1008
1008
1008
1008
1008

Ozone (du)

378
377
376
375
374
372
372
372
373
376
378
379
380
382
383
382
383
386
387
383
381
381
383
383

Sunday 3

Waning Gibbous 95%

23:18

06:26

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

Sun - Rise: 05:41, Set: 20:38, Transit: 13:10. Moon - Rise: 23:18, Set: 06:26. Civil Dark: 21:16 - 05:03. Nautical Dark: 22:05 - 04:14. Astro Dark: 23:06 - 03:12

Total Clouds (% Sky Obscured)

100
99
94
93
97
79
59
41
27
14
0
20
42
59
63
68
79
86
90
93
94
96
97
97

Low Clouds (% Sky Obscured)

72
59
55
56
61
49
34
22
15
7
0
20
41
59
63
67
70
80
90
93
94
92
91
86

Medium Clouds (% Sky Obscured)

41
40
27
13
0
0
0
0
0
0
0
0
0
0
1
2
2
3
3
3
26
49
69
66

High Clouds (% Sky Obscured)

65
65
60
60
60
55
38
18
12
6
0
6
6
1
3
15
29
30
29
28
23
19
19
15

ISS Passover

Visibility (miles)

0
9
9
9
6
5
6
6
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 (%)

48
44
49
47
38
36
32
28
17
4
0
1
1
0
1
1
0
3
4
2
11
14
9
38

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)

8
10
13
14
14
13
11
10
8
6
4
3
3
3
2
2
3
3
3
2
2
1
3
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
86
74
70
70
74
75
79
85
90
92
95
96
96
98
95
90
87
88
90
90
87
84
82

Pressure (mb)

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

Ozone (du)

383
383
383
385
384
384
383
385
387
388
386
386
386
386
386
385
385
385
385
384
384
385
385
386

Monday 4

Waning Gibbous 90%

00:21

07:09

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
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:40, Set: 20:39, Transit: 13:10. Moon - Rise: 00:21, Set: 07:09. Civil Dark: 21:17 - 05:01. Nautical Dark: 22:07 - 04:11. Astro Dark: 23:09 - 03:08

Total Clouds (% Sky Obscured)

97
98
98
89
84
72
61
50
41
33
25
40
54
75
87
90
90
77
59
46
56
68
84
89

Low Clouds (% Sky Obscured)

82
77
75
70
72
63
55
46
34
23
9
18
32
44
55
67
79
69
59
46
51
53
60
75

Medium Clouds (% Sky Obscured)

63
61
51
44
39
35
33
27
41
33
25
40
54
50
45
40
40
34
21
4
11
17
19
13

High Clouds (% Sky Obscured)

17
18
12
5
0
2
2
4
3
12
15
15
15
15
13
11
10
9
3
0
0
0
0
1

ISS Passover

Visibility (miles)

8
6
5
6
7
9
8
7
6
5
5
4
4
3
3
5
7
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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

49
57
50
47
58
59
67
82
72
61
58
60
68
83
76
77
80
52
29
5
11
13
9
27

Precipitation Amount (mm)

0.2
0.3
0
0
0.3
0.3
0.3
0.7
0.4
0.3
0.3
0.2
0.3
0.6
0.5
0.6
0.8
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
87
89
86
82
78
83
86
90
92
93
95
95
95
95
96
96
95
95
95
95
90
87
83

Pressure (mb)

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

Ozone (du)

387
389
390
393
397
400
399
399
398
399
399
399
398
398
397
393
390
387
383
380
377
377
377
377

Tuesday 5

Waning Gibbous 83%

01:12

08:03

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

Sun - Rise: 05:38, Set: 20:41, Transit: 13:10. Moon - Rise: 01:12, Set: 08:03. Civil Dark: 21:19 - 04:59. Nautical Dark: 22:09 - 04:09. Astro Dark: 23:12 - 03:05

Total Clouds (% Sky Obscured)

95
100
100
100
100
100
97
100
67
33
0
3
19
39
34
37
31
28
21
12

Low Clouds (% Sky Obscured)

87
100
95
88
81
70
59
51
37
21
0
3
8
5
0
0
0
8
16
12

Medium Clouds (% Sky Obscured)

7
0
10
20
25
26
22
18
14
7
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
0
2
1
0
30
54
62
30
13
0
3
4
2
2
2
2
2
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

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

Precipitation Probability (%)

27
21
20
19
18
21
18
7
9
8
1
2
3
2
6
5
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
0
0

Wind Speed/Direction (mph)

12
13
14
14
15
15
15
15
15
13
11
9
8
7
7
5
5
4
3
3

Chance of Frost

Temperature (°C)

13
14
14
14
13
12
12
11
10
10
9
9
8
7
6
5
3
2
2
2

Feels Like (°C)

10
11
11
12
10
9
9
9
9
5
5
5
5
4
4
1
1
1
0
-1

Dew Point (°C)

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

Relative Humidity (%)

78
72
68
69
68
67
70
71
72
66
60
57
60
64
69
72
77
81
80
79

Pressure (mb)

1010
1010
1011
1011
1011
1011
1012
1012
1013
1014
1014
1015
1016
1016
1016
1017
1017
1017
1018
1018

Ozone (du)

378
379
380
381
381
382
382
382
382
382
382
383
384
386
388
390
392
393
391
388

Welcome to Clear Outside

Forecast for Alphington, Devon, United Kingdom (50.70,-3.52)

Generated: 29/04/26 11:22:46. Forecast: 29/04/26 to 05/05/26. Timezone: UTC+1.00