Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 28

Waxing Gibbous 93%

17:11

04:28

00 OK
01 Bad
02 OK
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 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good

Sun - Rise: 05:45, Set: 20:27, Transit: 13:06. Moon - Rise: 17:11, Set: 04:28. Civil Dark: 21:05 - 05:08. Nautical Dark: 21:53 - 04:20. Astro Dark: 22:52 - 03:21

Total Clouds (% Sky Obscured)

33
46
33
46
69
74
99
97
97
92
100
86
85
78
73
99
60
10
5
5
0
0
0
0

Low Clouds (% Sky Obscured)

33
46
19
46
69
73
98
91
93
89
100
81
82
59
53
85
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

33
18
0
0
0
0
4
26
58
2
45
21
30
16
57
89
45
10
5
5
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
3
2
2
47
51
2
0
0
0
0
0
0
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
1
2
10
7
8
7
18
7
18
5
3
10
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)

8
6
4
9
12
13
12
11
12
15
15
18
17
18
17
19
19
18
19
18
17
16
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
90
85
95
96
96
87
88
90
87
87
78
81
79
77
64
67
70
73
75
73
73
74
77

Pressure (mb)

1024
1024
1025
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1025
1025
1024
1024
1024
1024
1024
1024
1025
1025
1025

Ozone (du)

422
431
434
434
437
438
439
439
438
435
434
431
427
424
423
424
424
421
418
417
415
414
411
409

Wednesday 29

Waxing Gibbous 97%

18:25

04:39

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

Sun - Rise: 05:44, Set: 20:29, Transit: 13:06. Moon - Rise: 18:25, Set: 04:39. Civil Dark: 21:07 - 05:06. Nautical Dark: 21:55 - 04:17. Astro Dark: 22:55 - 03:18

Total Clouds (% Sky Obscured)

0
12
6
25
41
55
53
41
0
0
0
0
0
0
0
0
100
100
62
100
95
96
100
59

Low Clouds (% Sky Obscured)

0
0
0
25
41
55
53
41
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
5
2
0
0
0
0
0
0
0
0
0
0
0
0
0
50
29
0
0
0
60
33
28

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
86
100
62
100
95
89
100
40

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
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)

16
16
16
16
16
17
18
17
19
21
22
24
24
24
24
24
24
23
22
22
21
19
19
20

Chance of Frost

Temperature (°C)

7
6
6
6
6
6
6
7
8
10
13
14
16
17
18
18
18
17
16
15
14
12
11
11

Feels Like (°C)

3
2
2
1
1
1
1
3
4
5
7
9
11
12
13
13
14
12
10
9
8
6
5
4

Dew Point (°C)

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

Relative Humidity (%)

75
75
78
80
82
83
83
85
81
74
70
66
64
64
63
61
61
63
66
66
62
58
57
60

Pressure (mb)

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

Ozone (du)

409
409
406
407
407
409
408
407
406
402
401
399
400
402
402
401
397
394
393
393
394
393
392
391

Thursday 30

Waxing Gibbous 98%

19:39

04:51

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

Sun - Rise: 05:42, Set: 20:31, Transit: 13:06. Moon - Rise: 19:39, Set: 04:51. Civil Dark: 21:08 - 05:04. Nautical Dark: 21:58 - 04:15. Astro Dark: 22:58 - 03:14

Total Clouds (% Sky Obscured)

19
5
4
1
2
8
18
5
4
3
5
3
2
2
0
0
1
2
75
75
75
70
65
65

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
15

High Clouds (% Sky Obscured)

19
5
4
1
2
5
8
2
1
1
5
3
2
2
0
0
1
2
75
75
75
70
51
27

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
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)

19
18
18
17
16
15
15
16
17
17
18
19
19
19
18
18
17
16
15
14
11
10
9
8

Chance of Frost

Temperature (°C)

10
9
9
8
8
8
7
8
9
12
14
16
17
18
19
19
19
19
18
17
15
13
12
11

Feels Like (°C)

3
3
3
3
3
3
3
3
5
8
10
11
13
14
15
15
17
16
15
15
14
12
11
10

Dew Point (°C)

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

Relative Humidity (%)

62
62
63
65
68
70
69
71
69
66
62
57
55
52
52
53
60
63
64
67
75
79
79
77

Pressure (mb)

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

Ozone (du)

390
390
391
391
389
387
384
381
379
378
377
376
376
377
377
375
375
374
373
372
372
373
372
371

Friday 1

Full Moon 99%

20:54

05:05

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: 05:40, Set: 20:32, Transit: 13:06. Moon - Rise: 20:54, Set: 05:05. Civil Dark: 21:10 - 05:02. Nautical Dark: 22:00 - 04:12. Astro Dark: 23:01 - 03:11

Total Clouds (% Sky Obscured)

61
68
91
95
88
78
94
85
87
83
67
78
71
82
90
100
99
99
98
99
100
99
100
100

Low Clouds (% Sky Obscured)

0
15
31
47
64
78
94
85
80
69
59
57
56
62
63
66
61
56
55
57
55
59
58
60

Medium Clouds (% Sky Obscured)

31
40
41
47
55
58
81
58
56
59
39
44
16
43
46
76
88
93
84
90
100
92
91
90

High Clouds (% Sky Obscured)

5
6
16
15
7
2
0
0
0
0
1
1
3
22
38
61
65
57
59
79
92
91
100
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
4
9
16
23
35
57
70
73
63
54
40
42
39
46
50
48
43
21
6
5
5
8
8

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
77
80
81
83
88
90
87
83
83
80
78
75
76
83
90
92
87
89
92
93
93
93
92

Pressure (mb)

1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

370
369
370
372
372
370
369
369
369
366
366
366
366
366
366
365
364
363
362
361
360
360
360
361

Saturday 2

Waning Gibbous 100%

22:08

05:22

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 OK
10 OK
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: 05:38, Set: 20:34, Transit: 13:06. Moon - Rise: 22:08, Set: 05:22. Civil Dark: 21:12 - 05:00. Nautical Dark: 22:02 - 04:10. Astro Dark: 23:05 - 03:07

Total Clouds (% Sky Obscured)

100
98
95
93
88
83
84
74
58
43
45
68
82
75
67
59
70
82
92
83
73
66
69
70

Low Clouds (% Sky Obscured)

55
65
72
81
77
78
71
64
58
43
45
41
34
26
18
7
24
39
55
48
42
35
29
24

Medium Clouds (% Sky Obscured)

89
78
66
63
50
5
10
30
3
2
15
21
58
62
67
59
65
53
34
37
45
53
46
41

High Clouds (% Sky Obscured)

100
78
60
45
40
40
40
5
14
0
1
15
25
27
31
40
38
29
15
25
30
26
9
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
7
6
5
6
8
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 (%)

12
13
16
6
15
9
2
2
1
0
0
1
5
16
17
18
29
38
45
39
31
18
15
10

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
85
85
87
88
93
95
96
90
84
76
70
67
64
66
66
67
74
82
90
92
93
95
96

Pressure (mb)

1016
1016
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1013
1013
1012
1012
1012
1011
1011
1012
1012
1012
1012

Ozone (du)

360
359
362
367
369
371
376
379
385
390
389
385
385
386
386
387
388
387
387
387
387
387
387
387

Sunday 3

Waning Gibbous 98%

23:18

05:45

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

Sun - Rise: 05:36, Set: 20:35, Transit: 13:06. Moon - Rise: 23:18, Set: 05:45. Civil Dark: 21:14 - 04:58. Nautical Dark: 22:04 - 04:07. Astro Dark: 23:08 - 03:03

Total Clouds (% Sky Obscured)

71
68
64
59
43
27
11
14
22
27
44
59
67
64
60
49
49
37
32
36
41
41
29
24

Low Clouds (% Sky Obscured)

20
27
33
38
30
22
11
13
14
15
26
43
51
40
33
21
17
9
4
7
14
26
16
11

Medium Clouds (% Sky Obscured)

39
33
24
17
10
5
0
0
0
0
0
0
0
8
17
25
28
31
32
25
15
4
3
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
5
8
4
1

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

1
4
5
2
5
4
1
7
10
11
23
28
30
40
48
55
56
57
57
45
32
14
10
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.3
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
9
7
7
7
6
6
5
6
7
8
8
10
10
14
14
14
14
14
14
11
9
8
7

Dew Point (°C)

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

Relative Humidity (%)

96
98
96
98
98
98
100
100
95
87
83
77
74
69
70
74
77
80
84
87
90
90
91
91

Pressure (mb)

1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1013
1013
1013
1013

Ozone (du)

387
387
387
386
385
385
384
383
383
382
382
381
381
381
381
380
380
380
381
381
381
382
382
384

Monday 4

Waning Gibbous 95%

No Rise

06:16

Sun - Rise: 05:34, Set: 20:37, Transit: 13:06. Moon - Rise: No Rise, Set: 06:16. Civil Dark: 21:16 - 04:56. Nautical Dark: 22:07 - 04:05. Astro Dark: 23:12 - 03:00

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 Bath, Bath and North East Somerset, United Kingdom (51.38,-2.36)

Generated: 28/04/26 00:30:39. Forecast: 28/04/26 to 04/05/26. Timezone: UTC+1.00