Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 30

Waxing Gibbous 99%

19:42

05:12

11 OK
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: 05:47, 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)

17
53
63
85
63
61
45
96
100
100
100
100
100
100
98
99
95
92
89
100
99
99
100
98

Low Clouds (% Sky Obscured)

1
2
46
74
55
33
1
28
48
50
22
9
0
17
28
47
55
55
68
76
73
88
87
82

Medium Clouds (% Sky Obscured)

4
26
51
46
30
22
45
90
91
60
36
100
82
88
49
58
77
45
33
66
66
40
38
33

High Clouds (% Sky Obscured)

17
53
63
85
63
61
45
94
96
84
93
100
26
81
58
16
6
15
9
48
50
60
68
24

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
Light Rain
Light Rain
Light Rain
Very Light Rain
None

Precipitation Probability (%)

12
16
31
2
1
0
2
3
3
3
3
3
2
3
5
13
5
33
32
62
67
61
50
15

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.4
0.4
0.3
0

Wind Speed/Direction (mph)

18
19
19
19
16
16
15
14
12
10
9
8
6
5
4
3
3
1
2
2
1
2
1
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
65
66
67
73
72
70
72
72
73
69
72
76
86
89
90
92
92
95
96
93
92
89
86

Pressure (mb)

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

Ozone (du)

370
371
372
372
370
367
365
366
368
368
368
368
367
366
366
368
367
367
366
364
362
361
360
360

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)

98
94
95
88
98
100
100
100
100
100
100
100
100
100
87
92
100
94
95
100
100
100
99
99

Low Clouds (% Sky Obscured)

72
84
64
28
61
52
45
40
35
45
41
49
50
45
44
47
43
50
65
82
74
73
82
82

Medium Clouds (% Sky Obscured)

38
36
42
46
73
79
0
0
45
82
51
43
82
61
29
45
55
74
86
100
97
86
94
86

High Clouds (% Sky Obscured)

18
7
45
61
86
100
100
100
100
100
100
100
100
100
44
37
100
63
53
49
73
100
72
68

ISS Passover

Visibility (miles)

9
7
7
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
Very Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

16
15
15
4
12
4
3
0
0
0
0
0
0
0
0
0
0
0
3
17
38
50
56
63

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
16
17
18
18
18
18
17
15
13
12
10
10
9
9
8
8
8
8
8
9
10
12
13

Feels Like (°C)

15
16
16
17
16
16
16
15
13
11
10
9
8
8
8
7
6
6
6
6
8
9
11
12

Dew Point (°C)

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

Relative Humidity (%)

83
81
78
76
65
58
62
68
75
79
84
88
88
88
87
87
85
85
84
84
81
77
72
71

Pressure (mb)

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

Ozone (du)

361
359
360
359
360
364
363
363
364
365
367
369
369
368
367
367
369
371
371
372
373
374
375
376

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)

100
98
100
100
95
94
98
100
98
98
100
100
86
78
81
84
84
77
73
70
68
66
62
72

Low Clouds (% Sky Obscured)

78
86
100
95
80
59
58
89
59
50
79
80
72
76
81
82
78
71
71
70
68
66
62
66

Medium Clouds (% Sky Obscured)

73
80
78
75
83
90
96
100
96
61
73
68
53
45
35
35
35
35
0
2
4
0
0
21

High Clouds (% Sky Obscured)

100
74
69
91
33
30
26
20
30
86
100
100
58
32
31
30
30
30
25
8
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
4
3
2
4
2
0
0
0
0
0
0
0
0
0
4
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

47
42
15
19
76
95
95
95
79
53
35
23
26
59
86
75
63
44
33
8
3
6
23
30

Precipitation Amount (mm)

0
0
0
0
0.3
1.3
1.5
0.8
0.4
0
0
0
0
0
0.3
0.3
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
75
69
72
67
73
93
98
96
98
100
100
98
100
100
98
100
98
98
98
98
95
95
90

Pressure (mb)

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

Ozone (du)

375
375
376
377
378
380
379
381
383
384
386
387
388
388
388
390
392
394
394
391
393
392
389
388

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 Bad
20 Bad
21 OK
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: 05:41, 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)

85
91
98
88
96
84
62
54
39
31
23
42
48
50
66
81
86
70
39
44
48
53
57
66

Low Clouds (% Sky Obscured)

62
53
69
71
88
71
56
48
39
31
23
41
46
48
60
72
78
69
39
44
48
53
53
55

Medium Clouds (% Sky Obscured)

42
65
59
55
48
60
48
49
34
18
0
1
3
4
8
11
15
11
5
0
0
0
0
14

High Clouds (% Sky Obscured)

0
1
7
14
21
14
11
3
0
0
0
2
1
0
0
0
0
1
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

47
37
43
46
50
49
53
52
45
32
5
5
2
0
1
1
1
3
4
2
4
4
2
6

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
78
73
78
73
76
70
73
78
87
91
91
93
91
91
91
90
87
88
90
88
84
79
74

Pressure (mb)

1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014

Ozone (du)

389
387
386
383
380
380
380
380
382
383
385
385
386
387
387
385
386
386
386
387
387
384
382
382

Monday 4

Waning Gibbous 90%

00:21

07:09

11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
18 Good
19 Good
20 Good
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: 05:40, 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)

76
78
75
71
64
44
25
5
5
0
0
16
31
47
63
64
67
63
61
70
79
89
99
99

Low Clouds (% Sky Obscured)

64
66
70
70
64
44
25
5
5
0
0
13
26
38
50
61
67
63
60
54
53
51
53
48

Medium Clouds (% Sky Obscured)

27
44
30
15
0
0
0
0
0
0
0
1
3
0
5
7
8
16
21
31
53
76
95
92

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
7
13
19
39
33
25
23
26
29
32
32
35
46

ISS Passover

Visibility (miles)

9
9
9
9
9
7
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 (%)

9
19
19
15
25
20
15
5
3
0
0
0
0
0
0
0
0
1
1
1
4
4
2
16

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
16
16
15
15
15
14
13
13
11
10
8
8
7
7
7
6
6
7
7
7
8
8
9

Dew Point (°C)

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

Relative Humidity (%)

70
67
64
61
66
79
80
76
80
81
84
88
90
91
93
94
94
93
93
93
91
87
81
78

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014

Ozone (du)

382
382
380
378
377
376
376
376
377
378
380
382
384
385
386
387
389
390
389
389
388
387
386
386

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

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)

100
100
86
72
58
62
61
53
38
23
9
14
18
16
36
60
88
95
99
100
90
80
69
65

Low Clouds (% Sky Obscured)

46
45
43
39
34
43
49
49
33
19
3
6
11
16
35
53
70
64
56
52
54
56
64
62

Medium Clouds (% Sky Obscured)

88
85
67
51
36
38
46
53
38
21
4
6
9
13
29
47
63
50
49
53
59
56
57
38

High Clouds (% Sky Obscured)

68
89
61
34
5
4
2
0
0
0
0
0
0
0
23
46
69
79
89
98
70
41
8
11

ISS Passover

Visibility (miles)

9
9
9
7
5
3
4
5
6
7
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
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
None
None
None
None

Precipitation Probability (%)

23
27
43
56
67
66
62
54
45
35
19
13
7
1
1
1
0
4
5
4
3
1
0
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
9
10
10
10
9
9
9
10
9
7
6
6
5
5
4
4
4
4
4
4
6
8
10

Chance of Frost

Temperature (°C)

14
15
16
16
16
16
15
14
13
11
9
8
7
6
6
6
6
6
6
7
7
8
10
12

Feels Like (°C)

9
10
11
15
15
15
15
15
15
10
10
9
9
9
8
4
4
4
4
4
4
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

75
71
69
69
70
70
75
80
86
87
87
90
91
91
91
93
93
93
93
94
94
84
76
68

Pressure (mb)

1014
1014
1014
1013
1013
1013
1013
1013
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016

Ozone (du)

386
386
386
385
384
383
384
384
385
385
385
385
384
383
382
381
380
380
381
381
382
382
381
380

Wednesday 6

Waning Gibbous 75%

01:51

09:08

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

Sun - Rise: 05:36, Set: 20:43, Transit: 13:10. Moon - Rise: 01:51, Set: 09:08. Civil Dark: 21:21 - 04:58. Nautical Dark: 22:11 - 04:07. Astro Dark: 23:15 - 03:01

Total Clouds (% Sky Obscured)

62
58
72
86
100
100
99
100
99
99
98
96
95
95
96
98
99
98
98
96

Low Clouds (% Sky Obscured)

57
52
51
48
46
50
57
63
52
34
25
24
12
5
2
4
6
11
16
21

Medium Clouds (% Sky Obscured)

19
1
5
9
11
19
25
30
35
34
48
50
52
48
45
46
38
31
28
29

High Clouds (% Sky Obscured)

13
14
42
68
95
90
80
60
50
56
69
72
75
67
63
62
62
62
66
70

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 (%)

6
4
12
14
9
18
21
25
22
19
16
15
11
2
3
3
1
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
7
7
11
10
10
10
11
11
7
8
7
7
7
7
4
4
4
4
4

Dew Point (°C)

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

Relative Humidity (%)

64
60
56
56
57
58
65
73
83
81
80
78
78
78
78
78
78
78
76
75

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

380
380
379
381
384
386
385
385
384
383
381
380
379
379
378
378
377
376
375
375

Welcome to Clear Outside

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

Generated: 30/04/26 11:29:10. Forecast: 30/04/26 to 06/05/26. Timezone: UTC+1.00