Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 29

Waxing Gibbous 97%

18:34

05:05

16 OK
17 OK
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

Sun - Rise: 05:57, Set: 20:36, Transit: 13:17. Moon - Rise: 18:34, Set: 05:05. Civil Dark: 21:13 - 05:20. Nautical Dark: 21:59 - 04:33. Astro Dark: 22:55 - 03:37

Total Clouds (% Sky Obscured)

15
28
64
100
100
100
100
100
100
100
100
100
100
100
100
100
99
89
88
78
97
100
99
99

Low Clouds (% Sky Obscured)

0
0
0
16
51
33
54
71
71
63
42
54
61
50
57
69
68
57
56
57
56
62
75
88

Medium Clouds (% Sky Obscured)

15
28
64
100
98
96
100
91
100
99
100
100
98
100
100
100
98
87
61
35
46
96
85
48

High Clouds (% Sky Obscured)

15
28
64
100
39
100
100
79
100
100
100
100
100
67
67
51
68
59
67
8
19
97
54
60

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

1
0
4
24
51
82
95
95
95
95
66
79
91
85
95
95
92
61
49
41
49
27
41
26

Precipitation Amount (mm)

0
0
0
0
0
0.5
0.9
0.9
1.2
1.2
0.3
0.6
1.1
0.9
1.4
1.3
0.7
0
0
0
0.2
0
0
0

Wind Speed/Direction (mph)

27
27
25
26
24
24
24
24
26
26
26
25
25
24
24
24
24
25
24
23
24
24
23
22

Chance of Frost

Temperature (°C)

19
18
16
15
15
15
15
13
13
12
12
12
12
12
12
12
12
12
12
13
14
14
14
14

Feels Like (°C)

12
10
8
7
7
7
6
5
4
4
5
5
5
5
5
5
4
5
5
6
6
7
7
7

Dew Point (°C)

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

Relative Humidity (%)

68
69
67
66
65
60
60
61
67
77
87
89
89
87
86
87
89
89
84
77
72
73
74
74

Pressure (mb)

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

Ozone (du)

404
400
399
393
383
380
376
374
374
374
374
372
370
370
372
373
372
370
369
369
371
373
374
373

Thursday 30

Waxing Gibbous 99%

19:47

05:20

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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:55, Set: 20:38, Transit: 13:17. Moon - Rise: 19:47, Set: 05:20. Civil Dark: 21:15 - 05:18. Nautical Dark: 22:02 - 04:31. Astro Dark: 22:58 - 03:34

Total Clouds (% Sky Obscured)

99
96
87
90
85
88
86
91
92
99
98
99
100
89
83
93
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

84
77
79
81
75
78
73
84
86
99
96
99
99
82
81
76
84
77
53
43
50
40
40
37

Medium Clouds (% Sky Obscured)

39
37
25
22
24
41
39
29
41
46
28
6
1
0
0
0
0
0
0
0
0
0
9
40

High Clouds (% Sky Obscured)

33
77
44
70
5
0
0
0
8
30
64
70
63
67
49
79
98
100
100
100
100
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
2
17
0
26
46
15
8
2
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 (%)

38
15
13
13
20
15
35
14
12
15
16
11
11
6
2
0
1
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)

21
19
18
17
15
13
11
10
8
7
5
4
3
3
3
4
4
5
6
6
6
7
6
7

Chance of Frost

Temperature (°C)

14
14
13
13
13
13
13
12
12
12
12
12
12
12
12
12
12
12
13
14
15
16
16
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
75
79
80
83
89
89
92
92
93
95
93
93
93
93
93
90
84
76
70
67
66
65
65

Pressure (mb)

1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1019
1019
1020
1020
1020
1020
1020
1020

Ozone (du)

373
371
368
365
365
366
367
367
365
364
364
364
363
361
360
359
359
358
359
359
361
365
366
365

Friday 1

Full Moon 100%

21:00

05:39

16 Bad
17 Bad
18 Bad
19 OK
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

Sun - Rise: 05:53, Set: 20:40, Transit: 13:17. Moon - Rise: 21:00, Set: 05:39. Civil Dark: 21:16 - 05:16. Nautical Dark: 22:04 - 04:29. Astro Dark: 23:01 - 03:31

Total Clouds (% Sky Obscured)

100
100
80
24
85
100
100
99
97
91
94
95
89
100
100
88
92
93
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

38
36
27
5
0
0
30
7
42
41
44
32
48
36
53
53
64
49
52
58
0
0
0
0

Medium Clouds (% Sky Obscured)

0
50
31
3
35
73
99
99
97
90
89
71
82
81
84
80
85
89
100
97
96
97
98
100

High Clouds (% Sky Obscured)

100
100
72
24
73
100
100
95
84
64
13
87
70
100
69
76
50
69
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
16
20
21
21
19
6
1
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
2
4
15
21
37
12
1
1
5
15
11
10
25
33
33
34
20
21
17

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
66
69
78
84
88
90
88
91
88
93
93
93
91
91
93
93
93
86
87
84
79
76
75

Pressure (mb)

1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1018
1018
1018
1018
1018
1018
1017
1017
1017
1016
1015
1015

Ozone (du)

364
365
365
365
366
368
368
368
371
372
374
374
375
375
376
377
379
379
379
380
380
380
381
381

Saturday 2

Waning Gibbous 98%

22:13

06:04

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
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:51, Set: 20:41, Transit: 13:17. Moon - Rise: 22:13, Set: 06:04. Civil Dark: 21:18 - 05:14. Nautical Dark: 22:06 - 04:26. Astro Dark: 23:03 - 03:28

Total Clouds (% Sky Obscured)

100
100
97
100
100
100
100
100
100
100
100
100
100
100
100
93
85
78
74
68
58
66
75
76

Low Clouds (% Sky Obscured)

24
46
72
70
81
83
84
66
85
82
81
77
84
92
100
93
85
78
74
68
58
63
67
69

Medium Clouds (% Sky Obscured)

87
100
81
98
100
100
100
100
100
100
100
100
86
95
94
69
13
8
5
4
3
1
0
0

High Clouds (% Sky Obscured)

100
100
68
100
100
100
100
100
100
100
100
100
84
71
63
59
61
22
3
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
6
2
1
8
5
9
3
4
8
9
9
8
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
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

34
43
47
76
95
95
95
95
95
95
95
82
70
52
22
21
13
5
5
12
5
15
8
10

Precipitation Amount (mm)

0
0
0
0.3
1.3
4.4
1.9
0.9
0.7
0.7
0.7
0.5
0.4
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
14
14
13
12
12
12
12
12
12
12
12
12
12
12
12
13
13
13
14
14
15
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
74
74
79
86
93
96
98
98
96
96
96
96
98
96
96
98
96
93
93
92
89
87
86

Pressure (mb)

1014
1014
1013
1013
1012
1012
1011
1010
1010
1009
1008
1008
1007
1007
1007
1007
1007
1008
1008
1008
1008
1009
1009
1009

Ozone (du)

381
381
382
382
383
385
384
387
389
385
386
387
389
390
391
394
394
391
390
390
391
391
391
393

Sunday 3

Waning Gibbous 95%

23:22

06:36

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
11 Bad
12 Bad
13 OK
14 OK
15 OK

Sun - Rise: 05:50, Set: 20:43, Transit: 13:17. Moon - Rise: 23:22, Set: 06:36. Civil Dark: 21:20 - 05:12. Nautical Dark: 22:08 - 04:24. Astro Dark: 23:06 - 03:24

Total Clouds (% Sky Obscured)

89
91
45
59
71
81
99
99
99
100
91
91
91
91
91
73
74
74
62
37
33
25
21
21

Low Clouds (% Sky Obscured)

72
75
45
48
45
40
39
38
38
38
41
43
57
71
85
66
60
52
44
37
33
25
21
21

Medium Clouds (% Sky Obscured)

9
22
37
37
47
38
64
35
30
25
25
30
20
12
0
4
12
22
15
7
0
0
0
0

High Clouds (% Sky Obscured)

15
36
45
44
28
9
47
73
98
100
80
75
85
80
70
0
1
1
1
0
1
1
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
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
3
1
1
1
0
23
32
35
38
37
31
32
31
14
15
19
23
25
25
24
21
20
12

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)

14
13
12
11
9
7
5
5
4
4
4
4
4
3
3
3
6
8
9
8
8
8
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
89
87
86
90
96
96
98
98
96
96
96
96
98
96
96
92
84
80
78
75
71
71
73

Pressure (mb)

1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

393
391
390
389
387
386
385
384
383
383
383
383
385
386
387
385
386
387
387
388
388
388
387
386

Monday 4

Waning Gibbous 90%

00:23

07:20

16 OK
17 OK
18 OK
19 OK
20 OK
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

Sun - Rise: 05:48, Set: 20:44, Transit: 13:17. Moon - Rise: 00:23, Set: 07:20. Civil Dark: 21:22 - 05:10. Nautical Dark: 22:10 - 04:22. Astro Dark: 23:09 - 03:21

Total Clouds (% Sky Obscured)

24
24
33
36
42
47
54
62
76
80
84
90
84
85
84
85
85
87
82
76
71
77
80
82

Low Clouds (% Sky Obscured)

24
24
33
36
42
46
37
30
24
23
31
45
49
50
51
41
31
21
27
28
32
30
28
29

Medium Clouds (% Sky Obscured)

0
0
0
11
20
28
35
38
43
39
39
40
45
45
55
68
80
87
82
76
70
58
46
29

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
16
27
40
37
22
10
24
45
65

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

25
23
12
13
10
2
4
4
2
5
8
7
13
15
14
20
24
28
30
33
33
28
25
17

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
5
5
5
4
2
2
2
3
3
4
4
4
5
5
6
7
8
9
10
11
12
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
76
79
81
84
87
91
90
91
91
91
91
90
90
88
88
87
84
83
81
81
80
77
75

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1010
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

386
385
385
384
384
384
384
385
386
387
388
388
389
390
390
391
390
390
389
388
386
385
383
381

Tuesday 5

Waning Gibbous 83%

01:14

08:14

16 Bad
17 Bad
18 OK
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

Sun - Rise: 05:46, Set: 20:46, Transit: 13:17. Moon - Rise: 01:14, Set: 08:14. Civil Dark: 21:23 - 05:09. Nautical Dark: 22:12 - 04:19. Astro Dark: 23:13 - 03:18

Total Clouds (% Sky Obscured)

70
56
40
30
21
21
15
15
16
23
30
37
57
76
94
97
97
98
97
97
96

Low Clouds (% Sky Obscured)

31
30
39
30
21
21
15
15
16
16
16
17
40
63
85
84
84
85
85
84
83

Medium Clouds (% Sky Obscured)

34
39
40
30
21
21
15
15
16
23
12
4
8
14
19
14
11
9
8
4
0

High Clouds (% Sky Obscured)

62
54
40
30
16
4
4
4
3
3
3
4
5
4
2
2
2
1
1
1
1

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

14
12
3
9
11
7
12
12
7
15
18
17
28
36
44
44
39
28
23
19
11

Precipitation Amount (mm)

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)

14
14
13
12
11
10
9
8
8
8
6
5
4
6
9
11
12
12
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
75
76
77
83
87
91
91
91
93
95
95
95
95
91
91
88
87
85
78
72

Pressure (mb)

1011
1011
1011
1011
1011
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1015
1015
1015

Ozone (du)

380
380
380
380
380
381
382
382
383
383
385
387
388
388
387
387
389
390
392
393
393

Forecast for Constantine, Cornwall, United Kingdom (50.12,-5.17)

Generated: 29/04/26 16:06:50. Forecast: 29/04/26 to 05/05/26. Timezone: UTC+1.00