Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 5

Waning Gibbous 85%

00:23

07:51

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

Sun - Rise: 06:37, Set: 19:55, Transit: 13:16. Moon - Rise: 00:23, Set: 07:51. Civil Dark: 20:27 - 06:03. Nautical Dark: 21:07 - 05:22. Astro Dark: 21:52 - 04:38

Total Clouds (% Sky Obscured)

32
27
0
0
10
46
54
70
69
70
37
56
47
86
69
46
25
28
48
26
18
12
1
11

Low Clouds (% Sky Obscured)

2
0
0
0
0
33
40
49
56
42
36
38
13
42
42
44
11
21
48
26
12
7
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
50
4
6
19
20
7
6
8
8
9
8
3
6
4
0
0

High Clouds (% Sky Obscured)

30
9
0
0
10
46
54
70
69
67
37
30
16
35
22
10
8
3
4
3
1
1
1
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
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
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

6
4
2
1
1
1
2
2
2
3
3
4
4
8
13
14
14
15
15
15
15
14
13
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
3
3
3
2
2
2
1
1
1
2
2
3
5
6
6
7
7
8
8
8
8
8
8

Relative Humidity (%)

82
86
85
85
85
86
86
86
88
86
91
89
86
79
74
73
72
73
75
76
79
79
83
88

Pressure (mb)

1025
1025
1025
1026
1026
1026
1026
1026
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1023
1023
1022
1022
1022

Ozone (du)

369
369
369
368
366
364
363
362
362
363
363
362
362
363
364
363
363
364
364
364
364
364
362
359

Monday 6

Waning Gibbous 77%

01:31

08:26

20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 OK
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

Sun - Rise: 06:35, Set: 19:56, Transit: 13:16. Moon - Rise: 01:31, Set: 08:26. Civil Dark: 20:28 - 06:01. Nautical Dark: 21:09 - 05:20. Astro Dark: 21:54 - 04:35

Total Clouds (% Sky Obscured)

3
2
3
1
0
2
2
0
7
59
98
100
100
100
100
100
79
57
53
90
81
84
55
59

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
6
0
0
0
8
32
8
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

2
1
0
0
0
0
0
0
0
0
3
2
1
19
21
26
0
0
28
15
54
54
42
39

High Clouds (% Sky Obscured)

1
1
1
1
0
2
2
0
3
52
98
100
100
100
100
100
79
57
25
86
35
35
3
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
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
0
0
1
3
5
0
1
0
0
0
0
0
0
0
0
3

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
93
91
91
91
91
91
91
90
90
90
87
84
80
81
78
74
74
76
78
78
78
79

Pressure (mb)

1022
1022
1022
1021
1021
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1019
1019

Ozone (du)

356
354
353
354
353
353
352
351
350
348
347
347
348
347
349
349
349
349
348
348
346
345
345
346

Tuesday 7

Waning Gibbous 69%

02:30

09:13

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

Sun - Rise: 06:33, Set: 19:58, Transit: 13:15. Moon - Rise: 02:30, Set: 09:13. Civil Dark: 20:30 - 05:59. Nautical Dark: 21:11 - 05:17. Astro Dark: 21:56 - 04:32

Total Clouds (% Sky Obscured)

86
87
40
57
71
63
68
73
73
73
91
70
38
52
56
52
56
62
58
48
57
58
63
63

Low Clouds (% Sky Obscured)

0
0
0
28
39
39
40
44
52
49
34
36
36
52
56
51
43
38
36
34
29
27
27
36

Medium Clouds (% Sky Obscured)

70
87
40
44
57
50
43
8
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

33
30
31
22
16
22
25
29
38
72
90
40
5
3
2
2
12
12
18
9
24
35
49
52

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
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
79
76
77
81
84
85
88
90
90
90
91
88
83
78
74
71
70
70
69
68
69
71
80

Pressure (mb)

1020
1021
1021
1021
1021
1022
1022
1022
1022
1022
1023
1023
1024
1024
1025
1025
1025
1025
1025
1025
1024
1025
1025
1025

Ozone (du)

345
344
343
343
342
344
344
344
344
344
344
345
345
345
345
344
344
344
344
345
345
347
348
350

Wednesday 8

Waning Gibbous 59%

03:17

10:12

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

Sun - Rise: 06:31, Set: 19:59, Transit: 13:15. Moon - Rise: 03:17, Set: 10:12. Civil Dark: 20:32 - 05:57. Nautical Dark: 21:13 - 05:15. Astro Dark: 21:58 - 04:29

Total Clouds (% Sky Obscured)

58
47
50
51
75
95
89
77
54
89
84
100
100
100
95
100
100
100
100
89
99
99
100
100

Low Clouds (% Sky Obscured)

46
47
50
46
42
31
20
7
5
3
0
27
50
75
65
56
52
36
29
14
11
7
3
10

Medium Clouds (% Sky Obscured)

0
0
1
2
2
8
12
17
16
14
14
20
24
29
21
10
0
0
0
0
1
2
7
27

High Clouds (% Sky Obscured)

49
45
50
51
75
86
72
55
50
82
84
100
100
100
95
100
100
100
100
63
97
91
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 (%)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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
0
0
0
0
0
0
0
0
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
10
10
9
9
7
6
6
5
8
6
6
7
10
13
14
15
17
16
16
17
15
15
12

Dew Point (°C)

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

Relative Humidity (%)

81
81
77
73
70
69
65
66
65
66
65
68
70
68
71
73
70
71
68
69
69
72
76
84

Pressure (mb)

1026
1026
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1027
1027
1027
1027
1027
1026
1027
1027
1026
1026
1026
1026

Ozone (du)

353
356
357
356
354
354
353
352
352
352
351
350
350
351
352
353
352
351
352
350
350
348
348
349

Thursday 9

Waning Gibbous 49%

03:53

11:21

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
17 OK
18 OK
19 OK

Sun - Rise: 06:29, Set: N/A, Transit: 13:15. Moon - Rise: 03:53, Set: 11:21. Civil Dark: 20:33 - 05:54. Nautical Dark: 21:15 - 05:13. Astro Dark: 22:01 - 04:27

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
99
97
81
80
79
74
75
67
74
73
65
50
31
22
38

Low Clouds (% Sky Obscured)

14
22
28
35
41
38
32
28
33
38
43
41
34
28
33
36
41
35
27
17
12
6
0
0

Medium Clouds (% Sky Obscured)

20
2
23
39
50
55
65
65
60
50
40
0
0
0
2
2
4
12
13
20
9
5
0
9

High Clouds (% Sky Obscured)

100
100
100
100
100
92
83
75
83
89
90
70
69
72
67
41
14
27
40
50
50
31
22
38

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
8
9
9

Fog (%)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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
0
0
0
3
4
1
1
1
0
0
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
81
81
80
82
81
84
85
87
88
88
87
81
76
71
70
69
67
71
75
79
82
86
88

Pressure (mb)

1027
1027
1027
1027
1026
1026
1025
1025
1024
1024
1024
1023
1025
1024
1024
1023
1023
1022
1021
1020
1020
1019
1018
1017

Ozone (du)

349
348
348
347
346
345
344
342
342
343
343
344
345
346
347
350
353
356
360
364
368
366
363
360

Friday 10

Third Quarter 39%

04:19

12:36

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
17 Bad
18 Bad
19 Bad

Sun - Rise: 06:26, Set: 20:01, Transit: 13:14. Moon - Rise: 04:19, Set: 12:36. Civil Dark: 20:35 - 05:52. Nautical Dark: 21:17 - 05:10. Astro Dark: 22:03 - 04:24

Total Clouds (% Sky Obscured)

51
64
68
65
62
71
76
77
69
64
60
65
71
78
84
91
96
98
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
2
4
6
13
20
28
24
22
19
26
33
41
41
40
39
58
74
89
83
78
74
75

Medium Clouds (% Sky Obscured)

25
42
44
40
26
26
23
20
20
19
23
38
52
63
73
83
92
85
79
72
81
90
100
100

High Clouds (% Sky Obscured)

51
64
67
36
5
0
0
0
0
5
5
22
33
43
32
23
14
43
71
100
100
100
100
96

ISS Passover

Visibility (miles)

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

Fog (%)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Precipitation Type

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
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
1
1
6
8
3
6
7
6
10
12
15
41
57
76
95
95
84
72

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.7
0.8
0.5
0.4

Wind Speed/Direction (mph)

6
5
3
3
3
3
2
2
1
1
1
2
3
3
4
7
9
11
12
14
15
14
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
90
90
88
88
88
85
87
88
90
85
81
79
80
80
81
84
90
93
94
93
91

Pressure (mb)

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

Ozone (du)

358
356
354
352
351
349
349
348
348
348
349
349
350
351
353
354
355
356
356
356
357
356
355
354

Saturday 11

Waning Crescent 30%

04:39

13:53

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: 06:24, Set: 20:03, Transit: 13:14. Moon - Rise: 04:39, Set: 13:53. Civil Dark: 20:37 - 05:50. Nautical Dark: 21:19 - 05:08. Astro Dark: 22:05 - 04:21

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
99
99
98
99
100
100

Low Clouds (% Sky Obscured)

78
80
86
93
100
92
82
68
62
51
44
34
27
25
23
22
20

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
91
84
78
80
79
80
86
93
100

High Clouds (% Sky Obscured)

94
94
96
98
99
97
96
97
77
59
41
50
69
80
97
98
100

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Precipitation Type

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

Precipitation Probability (%)

67
70
88
95
95
95
95
95
86
67
48
26
13
3
2
1
0

Precipitation Amount (mm)

0.3
0.3
0.7
0.8
1
0.9
1.1
1.1
0.6
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
2
3
3
3
3
3
4
4
4
4
4
3
2
3
3
3

Dew Point (°C)

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

Relative Humidity (%)

91
90
90
90
90
90
88
88
86
86
86
86
85
81
78
72
64

Pressure (mb)

1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1017
1017
1017
1017

Ozone (du)

351
348
345
347
348
349
354
359
364
366
367
369
371
373
376
378
381

Welcome to Clear Outside

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

Generated: 05/04/26 19:31:34. Forecast: 05/04/26 to 11/04/26. Timezone: UTC+1.00