Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Gibbous 86%

16:02

04:21

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

Sun - Rise: 05:55, Set: 20:28, Transit: 13:11. Moon - Rise: 16:02, Set: 04:21. Civil Dark: 21:04 - 05:19. Nautical Dark: 21:50 - 04:33. Astro Dark: 22:45 - 03:38

Total Clouds (% Sky Obscured)

100
86
80
55
50
36
18
25
32
54
47
14
6
0
0
0
1
5
0
1
32
46
69
25

Low Clouds (% Sky Obscured)

5
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
19

Medium Clouds (% Sky Obscured)

84
84
79
55
50
20
12
16
19
32
26
8
2
0
0
0
0
0
0
0
32
46
41
12

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
5
0
1
32
45
0
0

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

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

Chance of Frost

Temperature (°C)

9
9
8
8
7
6
6
6
10
14
16
17
18
19
20
20
20
20
20
19
16
15
14
14

Feels Like (°C)

7
6
5
5
5
4
5
6
10
14
16
17
18
19
20
21
18
19
19
19
16
13
12
13

Dew Point (°C)

1
-0
-0
-0
0
1
1
2
5
8
9
10
12
13
13
13
14
15
14
15
14
13
13
13

Relative Humidity (%)

57
54
55
57
62
67
71
74
72
66
64
63
64
65
63
63
68
71
69
78
87
92
93
93

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

367
368
370
369
373
380
382
384
385
384
383
382
381
377
376
375
373
372
369
369
367
367
366
368

Tuesday 28

Waxing Gibbous 93%

17:16

04:33

00 Bad
01 Bad
02 Bad
03 OK
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 OK
20 OK
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:53, Set: 20:29, Transit: 13:11. Moon - Rise: 17:16, Set: 04:33. Civil Dark: 21:06 - 05:17. Nautical Dark: 21:52 - 04:30. Astro Dark: 22:47 - 03:35

Total Clouds (% Sky Obscured)

50
55
58
31
47
61
76
81
80
91
92
91
86
75
100
100
92
63
91
22
41
48
46
51

Low Clouds (% Sky Obscured)

15
25
48
13
47
61
76
81
80
84
89
78
83
48
60
16
37
15
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

30
31
31
14
0
0
0
0
0
30
52
59
7
34
81
70
60
35
90
15
41
48
43
29

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
5
60
6
8
0
59
0
41
0
0
0

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
4
18
19
33
40
23
19
11
10
32
37
10
21
1
2
3
1

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)

12
10
9
12
13
13
13
15
16
15
18
18
20
19
19
19
17
19
18
16
15
17
18
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
79
90
95
95
96
96
95
88
87
87
89
92
87
84
84
80
83
82
82
79
72
71
76

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1023
1023
1023
1023
1022
1022
1022
1021
1021
1022
1022
1021

Ozone (du)

371
375
379
385
390
401
408
410
414
422
426
424
423
421
421
421
421
419
419
423
426
430
433
433

Wednesday 29

Waxing Gibbous 97%

18:28

04:45

00 Bad
01 OK
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 Bad
15 OK
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:51, Set: 20:31, Transit: 13:11. Moon - Rise: 18:28, Set: 04:45. Civil Dark: 21:07 - 05:15. Nautical Dark: 21:54 - 04:28. Astro Dark: 22:50 - 03:32

Total Clouds (% Sky Obscured)

52
30
27
76
67
69
74
55
60
64
56
100
37
16
31
34
100
100
100
100
100
100
90
82

Low Clouds (% Sky Obscured)

0
0
0
0
0
2
19
29
7
5
5
5
9
6
10
13
1
13
20
15
20
20
20
20

Medium Clouds (% Sky Obscured)

28
20
27
76
34
69
68
38
60
64
56
57
30
15
31
34
100
100
91
100
100
100
90
82

High Clouds (% Sky Obscured)

0
0
27
55
43
35
30
30
25
35
42
100
37
16
31
33
60
74
100
100
100
100
78
61

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
1
23
54
36
8
5
25
79
85
28
13
4
10
12
6
13
16
33
47
42
37
26
22

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

18
16
16
15
16
16
17
17
20
21
22
22
24
24
25
25
25
25
24
23
23
23
23
23

Chance of Frost

Temperature (°C)

10
9
8
7
7
7
7
8
9
11
12
14
15
15
16
16
16
17
16
15
15
13
13
13

Feels Like (°C)

5
5
4
3
3
2
1
2
2
5
6
8
9
9
9
10
10
11
9
8
8
7
7
6

Dew Point (°C)

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

Relative Humidity (%)

84
87
82
79
82
82
78
78
78
80
77
76
75
75
77
77
74
74
75
70
76
82
86
86

Pressure (mb)

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

Ozone (du)

433
434
430
428
426
425
422
423
417
413
408
401
395
393
388
385
382
378
374
369
366
365
365
365

Thursday 30

Waxing Gibbous 98%

19:41

04:58

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:50, Set: 20:32, Transit: 13:11. Moon - Rise: 19:41, Set: 04:58. Civil Dark: 21:09 - 05:13. Nautical Dark: 21:56 - 04:26. Astro Dark: 22:53 - 03:29

Total Clouds (% Sky Obscured)

77
75
77
81
79
72
70
77
85
97
95
91
88
87
87
87
88
88
89
90
89
89
90
86

Low Clouds (% Sky Obscured)

25
25
25
25
20
15
10
15
15
15
10
14
7
6
1
1
3
5
8
14
17
18
22
32

Medium Clouds (% Sky Obscured)

73
60
52
41
46
47
23
34
60
45
32
44
42
43
42
44
44
36
28
24
24
24
31
28

High Clouds (% Sky Obscured)

51
58
66
74
67
60
50
58
71
92
71
48
31
36
45
45
30
30
29
30
25
25
25
22

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 (%)

21
24
21
10
18
7
6
6
7
10
5
3
0
3
5
1
4
9
8
25
38
11
32
26

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)

23
22
21
20
19
19
19
19
20
21
22
22
21
21
19
18
17
14
11
8
6
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
10
10
10
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
10
9
8
8

Relative Humidity (%)

86
86
87
88
87
87
87
86
84
83
81
80
77
74
75
75
76
76
76
80
87
88
85
85

Pressure (mb)

1016
1016
1015
1016
1016
1016
1016
1016
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

364
363
362
362
363
362
363
363
364
364
365
365
365
365
365
365
366
367
367
367
368
369
369
369

Friday 1

Full Moon 99%

20:54

05:13

00 Bad
01 Bad
02 OK
03 OK
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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:48, Set: 20:34, Transit: 13:11. Moon - Rise: 20:54, Set: 05:13. Civil Dark: 21:11 - 05:11. Nautical Dark: 21:59 - 04:23. Astro Dark: 22:56 - 03:25

Total Clouds (% Sky Obscured)

61
53
40
33
39
53
72
78
66
80
91
100
100
95
90
85
79
72
71
76
77
63
62
71

Low Clouds (% Sky Obscured)

41
34
27
17
32
49
65
64
61
62
68
74
76
50
25
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

32
34
31
29
27
32
33
42
50
57
47
38
24
15
7
0
2
3
5
10
30
50
50
60

High Clouds (% Sky Obscured)

3
5
2
3
21
41
65
78
66
80
90
90
90
81
68
60
55
58
65
76
77
63
62
71

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
16
9
0
10
14
13
29
27
23
23
10
5
5
4
1
3
2
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)

3
4
4
3
3
3
2
2
2
1
1
3
4
6
7
9
11
10
10
10
8
6
4
4

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
11
11
13
14
15
16
17
19
19
19
19
18
17
15
14
12
10
9

Feels Like (°C)

10
9
10
10
10
10
10
10
12
13
14
16
17
21
21
21
20
20
19
18
16
14
14
13

Dew Point (°C)

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

Relative Humidity (%)

87
87
87
87
87
85
80
83
79
79
76
74
74
70
71
71
71
74
78
80
84
87
91
91

Pressure (mb)

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

Ozone (du)

370
368
367
366
365
364
362
359
358
358
359
360
360
359
359
359
358
357
356
355
356
356
356
359

Saturday 2

Waning Gibbous 100%

22:07

05:32

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
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:46, Set: 20:35, Transit: 13:11. Moon - Rise: 22:07, Set: 05:32. Civil Dark: 21:13 - 05:09. Nautical Dark: 22:01 - 04:21. Astro Dark: 22:59 - 03:22

Total Clouds (% Sky Obscured)

83
89
94
100
100
100
100
100
100
100
100
100
100
89
77
65
68
72
73
80
86
90
90
91

Low Clouds (% Sky Obscured)

0
16
32
51
49
47
46
58
66
74
74
74
78
62
54
42
50
56
65
69
72
75
78
80

Medium Clouds (% Sky Obscured)

60
60
60
50
35
35
30
35
35
35
45
43
37
35
34
32
30
26
22
21
14
13
40
67

High Clouds (% Sky Obscured)

83
73
56
33
47
73
100
100
100
100
100
100
100
68
36
6
9
12
13
19
20
15
10
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 (%)

1
14
16
18
33
37
36
33
43
46
45
40
38
21
12
6
4
3
2
4
5
3
14
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)

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

Chance of Frost

Temperature (°C)

9
8
8
8
8
8
9
9
10
11
13
14
14
15
16
16
17
16
15
14
13
13
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
90
91
90
91
91
91
91
88
83
79
76
71
68
68
67
66
70
75
80
80
80
80
84

Pressure (mb)

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

Ozone (du)

362
365
365
366
367
369
371
373
375
376
378
379
379
380
379
377
376
376
376
375
376
377
378
380

Sunday 3

Waning Gibbous 98%

23:16

05:56

Sun - Rise: 05:44, Set: 20:37, Transit: 13:11. Moon - Rise: 23:16, Set: 05:56. Civil Dark: 21:14 - 05:07. Nautical Dark: 22:03 - 04:19. Astro Dark: 23:02 - 03:19

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Dartmouth, Devon, United Kingdom (50.35,-3.58)

Generated: 27/04/26 00:08:04. Forecast: 27/04/26 to 03/05/26. Timezone: UTC+1.00