Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Gibbous 86%

17:14

04:31

18 OK
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
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 Bad

Sun - Rise: 05:50, Set: 20:28, Transit: 13:09. Moon - Rise: 17:14, Set: 04:31. Civil Dark: 21:05 - 05:12. Nautical Dark: 21:52 - 04:25. Astro Dark: 22:48 - 03:27

Total Clouds (% Sky Obscured)

38
50
59
62
71
68
80
69
25
53
63
85
83
98
96
94
100
100
83
90
98
75
92
71

Low Clouds (% Sky Obscured)

0
30
57
39
54
62
40
42
24
40
63
85
83
98
96
94
100
81
68
81
83
43
60
48

Medium Clouds (% Sky Obscured)

38
50
57
35
37
36
40
34
6
20
0
0
21
28
2
3
66
82
72
51
97
75
82
22

High Clouds (% Sky Obscured)

34
8
0
0
0
0
0
0
0
0
0
0
0
0
0
3
65
3
64
60
59
0
50
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 (%)

1
0
4
0
0
0
0
0
0
0
0
1
3
2
4
3
5
11
7
11
4
3
1
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)

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

Chance of Frost

Temperature (°C)

19
18
16
14
13
13
12
11
10
10
9
9
8
8
9
10
11
11
12
13
14
14
14
14

Feels Like (°C)

18
18
15
12
10
10
10
11
10
9
7
6
4
4
5
6
7
7
7
8
9
9
9
10

Dew Point (°C)

15
15
14
11
9
9
10
11
10
9
8
8
7
7
7
8
9
9
9
10
10
8
8
9

Relative Humidity (%)

78
83
85
80
74
77
87
96
98
98
96
98
95
90
90
87
88
83
79
78
75
67
64
71

Pressure (mb)

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

Ozone (du)

379
379
381
386
393
397
402
408
414
420
427
432
437
442
444
439
437
437
435
434
434
435
436
437

Tuesday 28

Waxing Gibbous 93%

No Rise

04:43

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

Sun - Rise: 05:48, Set: 20:29, Transit: 13:09. Moon - Rise: No Rise, Set: 04:43. Civil Dark: 21:06 - 05:10. Nautical Dark: 21:54 - 04:22. Astro Dark: 22:51 - 03:24

Total Clouds (% Sky Obscured)

85
19
37
39
35
26
52
27
16
30
51
41
58
42
20
0
0
26
75
85
85
100
89
94

Low Clouds (% Sky Obscured)

30
19
25
0
0
0
0
0
0
28
41
41
45
42
20
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

27
3
10
28
25
23
43
21
12
7
25
16
37
15
0
0
0
21
0
75
57
60
42
51

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
75
85
85
100
83
81

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
1
0
0
0
0
0
0
0
0
5
6
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)

17
16
16
15
14
14
14
14
14
14
14
14
14
15
16
19
21
22
23
23
22
22
22
21

Chance of Frost

Temperature (°C)

14
13
12
11
9
8
8
7
6
6
6
5
6
6
8
10
12
15
16
18
18
18
18
18

Feels Like (°C)

10
8
8
6
6
5
4
3
2
2
2
1
2
2
4
6
8
10
12
13
14
14
14
14

Dew Point (°C)

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

Relative Humidity (%)

72
72
71
66
67
69
71
74
74
76
79
82
82
83
81
74
70
66
64
63
64
68
69
70

Pressure (mb)

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

Ozone (du)

436
433
425
424
422
420
419
418
417
415
413
411
409
409
409
409
411
413
412
409
402
396
394
391

Wednesday 29

Waxing Gibbous 97%

18:27

04:55

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

Sun - Rise: 05:46, Set: 20:31, Transit: 13:09. Moon - Rise: 18:27, Set: 04:55. Civil Dark: 21:08 - 05:08. Nautical Dark: 21:56 - 04:20. Astro Dark: 22:55 - 03:21

Total Clouds (% Sky Obscured)

96
85
100
83
85
88
36
20
41
33
15
30
30
37
35
50
100
100
95
84
80
100
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)

9
38
40
23
16
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

93
60
87
69
79
87
30
14
28
33
15
30
30
37
35
50
100
100
84
66
66
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
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)

21
20
19
19
18
18
17
15
14
14
14
13
13
13
14
17
18
19
18
19
18
18
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
10
9
7
7
6
6
6
6
5
5
5
4
4
6
7
9
10
11
12
13
13
12
12

Dew Point (°C)

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

Relative Humidity (%)

68
66
68
63
60
56
58
61
61
58
57
57
58
67
71
70
67
61
60
57
57
58
60
66

Pressure (mb)

1019
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019

Ozone (du)

391
388
388
385
382
381
379
378
376
375
372
369
366
365
364
365
365
366
367
366
366
367
367
367

Thursday 30

Waxing Gibbous 99%

19:41

05:09

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

Sun - Rise: 05:44, Set: 20:32, Transit: 13:09. Moon - Rise: 19:41, Set: 05:09. Civil Dark: 21:10 - 05:06. Nautical Dark: 21:58 - 04:17. Astro Dark: 22:58 - 03:17

Total Clouds (% Sky Obscured)

100
100
100
100
84
70
50
46
40
24
24
41
72
76
73
65
77
87
98
99
99
98
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
5
5
15
10
21
32
44
44
41
37
49
56

Medium Clouds (% Sky Obscured)

0
0
2
2
3
1
0
0
0
0
17
35
55
74
64
53
68
53
41
70
81
49
51
62

High Clouds (% Sky Obscured)

100
100
100
100
74
47
16
12
11
8
3
2
1
1
1
2
25
47
68
71
72
72
71
74

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
9
9
9
9
2
5

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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
1
3
15
22
24
35
39
40
45
45
40
58
69

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
0.2
0.3

Wind Speed/Direction (mph)

15
14
12
10
8
5
4
2
2
2
2
1
1
1
3
4
6
6
7
8
9
8
8
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
11
11
10
10
8
9
8
8
9
9
10
11
13
13
15
16
17
18
17
17
17
15

Dew Point (°C)

11
10
9
9
8
7
6
7
7
7
7
7
8
9
10
12
13
15
15
15
15
15
15
15

Relative Humidity (%)

69
72
74
74
75
75
77
81
85
87
87
88
91
90
86
86
87
92
89
83
85
85
89
93

Pressure (mb)

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

Ozone (du)

366
366
365
366
366
366
367
366
366
365
364
364
363
362
361
361
361
360
359
359
359
358
358
357

Friday 1

Full Moon 100%

20:55

05:27

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
16 Bad
17 Bad

Sun - Rise: 05:42, Set: 20:34, Transit: 13:09. Moon - Rise: 20:55, Set: 05:27. Civil Dark: 21:12 - 05:04. Nautical Dark: 22:01 - 04:15. Astro Dark: 23:01 - 03:14

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

65
71
80
89
69
50
30
35
41
47
47
48
49
62
66
69
67
64
59
64
67
70
65
61

Medium Clouds (% Sky Obscured)

67
85
72
70
70
70
65
65
69
88
82
61
29
27
41
60
61
64
68
54
46
33
43
30

High Clouds (% Sky Obscured)

92
100
100
100
100
100
98
100
100
100
100
95
86
39
35
26
10
7
7
34
59
80
79
86

ISS Passover

Visibility (miles)

6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
5
5
5
5
5

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

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

Precipitation Probability (%)

79
84
80
62
41
19
3
1
0
0
0
1
1
5
6
5
25
36
48
51
56
57
52
51

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
4
3
3
3
4
4
5
5
5
5
5
5
5
7
9
11
12
13
14
13
12
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
13
13
12
11
9
8
7
7
7
6
6
7
9
9
10
10
11
11
13
13
13
13
13

Dew Point (°C)

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

Relative Humidity (%)

95
93
93
93
93
93
95
95
95
95
95
95
96
98
91
87
83
83
84
86
85
83
81
83

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1014
1014

Ozone (du)

356
358
362
362
364
368
374
375
377
383
389
391
392
392
390
389
387
388
389
390
388
386
384
383

Saturday 2

Waning Gibbous 98%

22:09

05:50

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

Sun - Rise: 05:40, Set: 20:36, Transit: 13:09. Moon - Rise: 22:09, Set: 05:50. Civil Dark: 21:14 - 05:02. Nautical Dark: 22:03 - 04:12. Astro Dark: 23:04 - 03:10

Total Clouds (% Sky Obscured)

99
97
95
89
70
54
34
32
28
22
23
30
29
38
50
60
70
79
89
87
86
84
74
64

Low Clouds (% Sky Obscured)

57
53
50
47
36
24
10
18
27
22
23
30
29
38
50
60
62
62
61
54
45
37
40
45

Medium Clouds (% Sky Obscured)

26
21
25
25
20
13
0
0
0
1
0
0
0
0
1
1
6
12
18
20
22
29
18
13

High Clouds (% Sky Obscured)

95
97
95
89
66
34
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Very Light Rain
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 (%)

46
38
30
21
15
9
0
0
1
0
1
1
0
5
7
8
20
26
30
32
30
23
24
19

Precipitation Amount (mm)

0.3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
89
92
91
93
95
95
94
94
94
96
96
96
98
93
90
87
81
78
75
73
69
68
70

Pressure (mb)

1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

381
380
379
378
378
379
380
381
381
381
382
382
383
383
383
383
383
385
386
388
387
386
385
383

Sunday 3

Waning Gibbous 95%

23:19

06:22

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

Sun - Rise: 05:39, Set: 20:37, Transit: 13:09. Moon - Rise: 23:19, Set: 06:22. Civil Dark: 21:15 - 05:00. Nautical Dark: 22:05 - 04:10. Astro Dark: 23:07 - 03:07

Total Clouds (% Sky Obscured)

54
43
29
16
20
25
40
49
58
64
65
67
68
45
31
19
28
42
57

Low Clouds (% Sky Obscured)

48
32
16
0
0
0
0
15
28
42
42
44
47
37
26
17
28
41
52

Medium Clouds (% Sky Obscured)

5
6
8
10
15
19
27
30
37
36
37
40
44
39
31
19
28
36
37

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
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

Fog (%)

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

Precipitation Probability (%)

10
8
4
0
1
1
0
2
3
3
3
3
2
2
1
0
3
3
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
12
10
8
6
6
5
5
5
5
5
6
6
7
9
10
12
13
14

Feels Like (°C)

12
13
9
8
8
7
6
6
4
4
5
5
5
4
7
8
8
10
10

Dew Point (°C)

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

Relative Humidity (%)

74
77
81
84
88
88
88
88
88
88
88
86
87
85
80
73
66
65
64

Pressure (mb)

1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

381
379
379
378
378
378
378
377
377
376
376
376
375
375
375
375
374
375
376

Forecast for Taunton, Somerset, United Kingdom (51.02,-3.11)

Generated: 27/04/26 18:05:30. Forecast: 27/04/26 to 03/05/26. Timezone: UTC+1.00