Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 25

Waxing Gibbous 78%

14:40

04:05

22 OK
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
20 Bad
21 Bad

Sun - Rise: 05:49, Set: 20:24, Transit: 13:07. Moon - Rise: 14:40, Set: 04:05. Civil Dark: 21:01 - 05:12. Nautical Dark: 21:49 - 04:25. Astro Dark: 22:42 - 03:28

Total Clouds (% Sky Obscured)

25
52
55
100
100
100
89
81
84
98
79
90
82
93
91
92
92
80
91
95
94
96
100
100

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
6
55
89
100
99
89
74
75
92
68
87
82
93
91
92
90
80
91
69
91
96
51
87

High Clouds (% Sky Obscured)

25
52
55
100
100
96
89
81
80
76
52
85
56
56
68
71
80
72
54
92
90
93
100
99

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)

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

Chance of Frost

Temperature (°C)

11
9
9
8
7
8
7
7
6
6
8
12
14
15
16
16
17
18
18
18
17
16
15
13

Feels Like (°C)

10
9
8
6
6
6
6
5
4
4
7
10
11
12
13
13
15
15
15
15
16
16
14
11

Dew Point (°C)

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

Relative Humidity (%)

78
82
84
88
88
88
88
87
86
83
78
67
68
62
59
56
53
54
54
58
67
75
74
74

Pressure (mb)

1022
1022
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1024

Ozone (du)

372
371
370
370
372
372
369
367
365
364
363
360
359
358
358
360
360
359
359
359
359
360
362
362

Sunday 26

Waxing Gibbous 74%

15:57

04:17

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

Sun - Rise: 05:48, Set: 20:26, Transit: 13:07. Moon - Rise: 15:57, Set: 04:17. Civil Dark: 21:03 - 05:10. Nautical Dark: 21:51 - 04:22. Astro Dark: 22:45 - 03:25

Total Clouds (% Sky Obscured)

96
81
61
61
69
54
76
45
42
33
98
37
32
23
31
22
35
77
36
94
77
85
87
68

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
9
8
0
0
0
14
37
0
87
41
42
31
33

Medium Clouds (% Sky Obscured)

58
81
61
61
69
54
56
29
29
22
70
24
20
14
14
10
14
38
24
44
49
56
61
39

High Clouds (% Sky Obscured)

87
1
0
0
0
0
0
0
0
0
2
2
0
0
0
0
1
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
6
3
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
Very Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
17
27
38
48
43
33
13
4
1
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

2
2
2
1
1
1
1
0
1
1
1
3
3
4
6
7
8
8
10
10
10
11
12
12

Chance of Frost

Temperature (°C)

12
11
10
9
9
8
8
9
9
9
11
13
15
16
18
18
19
19
19
18
18
16
15
13

Feels Like (°C)

10
9
9
8
7
7
6
8
9
9
11
13
15
17
18
19
17
18
17
16
16
15
13
12

Dew Point (°C)

7
6
5
4
2
2
2
3
4
5
5
8
9
11
12
13
12
14
15
15
15
13
12
11

Relative Humidity (%)

72
72
69
68
64
65
65
68
69
73
69
69
70
68
67
69
65
71
78
82
82
82
82
84

Pressure (mb)

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

Ozone (du)

365
372
375
376
376
378
378
381
382
381
381
381
381
382
384
388
387
383
381
379
381
384
388
390

Monday 27

Waxing Gibbous 86%

17:11

04:28

22 OK
23 Bad
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 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 OK
21 Good

Sun - Rise: 05:46, 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: 22:49 - 03:21

Total Clouds (% Sky Obscured)

29
44
45
43
46
80
90
80
83
99
100
97
97
90
90
85
100
91
89
83
48
21
16
7

Low Clouds (% Sky Obscured)

22
39
45
43
42
73
86
76
83
97
100
93
93
85
82
83
100
86
82
79
43
17
11
1

Medium Clouds (% Sky Obscured)

8
7
0
0
0
0
0
0
0
2
11
10
17
3
5
2
0
6
7
15
2
5
5
5

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
0
1
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
1
8
4
5
2
3
19
6
21
24
29
24
9
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)

10
10
8
8
10
11
13
12
11
11
16
15
15
17
17
17
17
17
16
17
18
17
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
90
95
98
96
95
96
96
98
98
88
88
91
91
90
87
86
86
83
84
81
83
85
85

Pressure (mb)

1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1025

Ozone (du)

394
398
400
405
406
409
409
409
409
409
410
410
412
414
416
415
413
410
409
409
409
409
408
409

Tuesday 28

Waxing Gibbous 93%

18:25

04:39

22 Good
23 Good
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 OK
08 Good
09 Good
10 Good
11 Good
12 Good
13 OK
14 OK
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 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: 22:52 - 03:18

Total Clouds (% Sky Obscured)

10
12
15
22
27
29
31
27
26
16
8
0
0
0
0
13
33
50
56
100
100
92
81
74

Low Clouds (% Sky Obscured)

6
10
15
22
27
29
31
27
26
16
8
0
0
0
0
0
0
0
0
0
0
0
2
25

Medium Clouds (% Sky Obscured)

4
1
0
0
0
0
0
0
0
0
0
0
0
0
0
8
16
24
40
76
100
92
76
74

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
13
33
50
56
100
100
73
30
20

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
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
4
11
30
49

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
0.2

Wind Speed/Direction (mph)

15
15
15
15
15
15
15
15
16
16
17
19
21
21
23
24
24
25
24
24
23
21
21
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
79
83
86
89
89
88
88
89
85
81
77
72
65
61
61
62
64
63
66
67
66
61
61

Pressure (mb)

1025
1025
1025
1025
1024
1024
1024
1024
1023
1023
1023
1023
1023
1022
1021
1021
1020
1020
1019
1019
1019
1019
1019
1020

Ozone (du)

409
409
407
404
401
399
396
394
394
394
394
395
397
399
399
399
401
402
402
401
400
399
401
399

Wednesday 29

Waxing Gibbous 97%

19:39

04:51

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
20 Bad
21 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: 22:55 - 03:14

Total Clouds (% Sky Obscured)

83
91
100
100
100
100
100
100
100
100
97
100
100
100
100
100
100
100
100
100
100
99
98
97

Low Clouds (% Sky Obscured)

20
15
20
16
18
19
18
18
25
21
19
17
10
10
5
5
5
0
0
0
5
21
37
54

Medium Clouds (% Sky Obscured)

83
91
100
100
100
89
62
56
55
55
78
77
68
100
98
99
99
100
100
100
100
88
77
63

High Clouds (% Sky Obscured)

53
37
99
99
100
55
75
92
100
100
88
100
98
100
100
100
100
100
86
71
56
51
54
65

ISS Passover

Visibility (miles)

4
7
9
3
2
9
9
9
9
9
9
9
9
9
9
9
7
5
3
5
7
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
Very Light Rain
Light Rain
Light Rain
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

Precipitation Probability (%)

41
36
53
69
64
39
38
38
10
18
21
2
9
27
34
55
64
69
64
61
57
49
31
5

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

20
20
19
19
18
18
18
17
16
15
15
15
16
15
15
14
13
14
13
11
9
7
4
2

Chance of Frost

Temperature (°C)

11
10
10
10
10
10
10
10
10
10
10
12
13
13
13
14
14
15
15
15
15
15
14
13

Feels Like (°C)

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

Dew Point (°C)

6
8
8
8
9
9
8
8
8
8
8
9
8
9
10
12
13
13
15
14
14
14
13
13

Relative Humidity (%)

70
85
87
91
93
93
91
90
90
88
85
81
72
75
82
86
89
92
96
95
96
95
95
96

Pressure (mb)

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

Ozone (du)

400
404
403
399
395
399
396
392
391
391
389
387
385
383
381
378
376
374
371
373
374
375
375
375

Thursday 30

Waxing Gibbous 99%

20:54

05:05

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 OK
19 Bad
20 Bad
21 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: N/A - 04:12. Astro Dark: 22:58 - 03:11

Total Clouds (% Sky Obscured)

93
89
86
92
95
100
94
88
72
69
70
63
69
81
92
80
72
62
52
37
25
48
73
98

Low Clouds (% Sky Obscured)

39
25
12
17
23
26
27
28
29
43
57
63
67
64
62
59
57
55
40
25
11
12
13
13

Medium Clouds (% Sky Obscured)

46
34
23
27
31
31
30
25
20
15
11
5
3
2
0
0
0
0
0
0
0
0
1
1

High Clouds (% Sky Obscured)

90
89
86
92
95
100
94
88
72
69
70
63
66
36
6
6
6
7
11
14
18
45
71
98

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

Precipitation Probability (%)

12
21
17
37
42
37
60
77
72
34
21
4
17
20
19
23
26
27
24
20
12
10
7
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.6
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
95
96
96
96
96
95
96
96
96
93
90
87
84
83
82
82
82
80
83
83
83
87
90

Pressure (mb)

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

Ozone (du)

375
373
372
370
371
372
373
372
370
368
369
369
369
369
368
368
369
371
372
372
372
373
374
376

Friday 1

Full Moon 100%

No Rise

05:22

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 OK

Sun - Rise: 05:38, Set: 20:34, Transit: 13:06. Moon - Rise: No Rise, Set: 05:22. Civil Dark: 21:12 - 05:00. Nautical Dark: 22:00 - 04:10. Astro Dark: 23:01 - 03:07

Total Clouds (% Sky Obscured)

97
96
95
95
97
99
100
100
100
100
100
100
100
100
99
95
92
90
68
44
21

Low Clouds (% Sky Obscured)

23
37
51
53
60
71
68
67
71
73
78
72
71
73
68
62
45
31
22
11
4

Medium Clouds (% Sky Obscured)

10
20
29
18
15
14
25
34
44
54
63
71
75
82
88
75
66
55
35
16
3

High Clouds (% Sky Obscured)

90
82
75
83
90
97
98
99
100
99
98
97
92
86
81
77
83
85
59
32
7

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

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 (%)

0
0
0
0
0
0
2
3
2
4
5
2
11
15
19
22
25
28
27
24
19

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
96
96
98
93
87
82
84
87
88
85
84
83
80
77
76
76
76
76
78
79

Pressure (mb)

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

Ozone (du)

378
379
381
383
382
382
382
384
386
388
386
385
384
384
383
383
384
384
384
383
381

Forecast for Twerton, Bath and North East Somerset, United Kingdom (51.36,-2.38)

Generated: 25/04/26 22:26:30. Forecast: 25/04/26 to 01/05/26. Timezone: UTC+1.00