Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 24

First Quarter 58%

13:15

03:46

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

Sun - Rise: 05:46, Set: 20:17, Transit: 13:02. Moon - Rise: 13:15, Set: 03:46. Civil Dark: 20:54 - 05:09. Nautical Dark: 21:41 - 04:21. Astro Dark: 22:37 - 03:24

Total Clouds (% Sky Obscured)

0
0
0
0
1
2
0
0
0
0
1
0
56
65
82
81
99
100
100
100
78
54
92
96

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
56
63
70
48
44
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
29
75
93
94
99
90
78
54
44
32

High Clouds (% Sky Obscured)

0
0
0
0
1
2
0
0
0
0
1
0
6
54
67
76
99
100
93
100
29
6
37
8

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)

9
9
8
7
6
5
4
4
3
2
2
2
2
1
1
1
1
0
2
1
2
2
2
2

Chance of Frost

Temperature (°C)

18
18
18
17
16
14
11
9
8
7
6
5
4
2
2
2
3
6
8
11
13
15
17
18

Feels Like (°C)

16
17
17
17
16
13
10
9
7
7
6
4
3
2
0
0
1
4
6
9
12
13
15
18

Dew Point (°C)

7
8
9
10
12
10
7
4
2
1
1
0
-1
-2
-3
-3
-2
-2
0
2
3
4
5
5

Relative Humidity (%)

48
50
54
65
75
79
77
68
67
66
67
70
71
72
70
68
67
60
57
52
48
46
44
42

Pressure (mb)

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

Ozone (du)

375
373
370
368
365
364
362
361
360
359
359
359
360
358
358
361
365
366
368
372
375
376
377
375

Saturday 25

Waxing Gibbous 68%

14:35

04:01

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

Sun - Rise: 05:44, Set: 20:19, Transit: 13:02. Moon - Rise: 14:35, Set: 04:01. Civil Dark: 20:56 - 05:07. Nautical Dark: 21:44 - 04:19. Astro Dark: 22:41 - 03:21

Total Clouds (% Sky Obscured)

86
88
27
39
6
12
14
14
18
7
21
92
100
56
11
6
20
41
74
18
74
86
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
23
0
0
0
0
0

Medium Clouds (% Sky Obscured)

29
34
7
12
2
4
6
6
8
4
14
14
24
40
11
6
20
41
68
18
74
86
98
59

High Clouds (% Sky Obscured)

0
0
4
4
3
6
14
14
18
7
21
92
100
56
11
6
20
41
74
18
60
74
76
89

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)

2
2
2
2
2
2
2
2
2
3
4
3
3
4
5
5
4
5
7
7
7
6
6
5

Chance of Frost

Temperature (°C)

18
19
19
19
18
15
13
11
9
8
7
6
6
5
5
4
5
8
10
12
14
16
17
18

Feels Like (°C)

19
19
19
20
19
16
13
11
9
6
5
5
4
3
2
2
3
5
7
9
12
14
15
16

Dew Point (°C)

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

Relative Humidity (%)

42
42
45
55
63
62
64
64
66
71
81
85
86
90
88
86
85
77
72
67
64
62
59
57

Pressure (mb)

1021
1021
1021
1021
1021
1022
1022
1023
1023
1024
1024
1024
1024
1024
1025
1025
1026
1026
1027
1027
1027
1026
1026
1026

Ozone (du)

376
376
376
377
378
377
375
374
373
372
372
372
372
371
370
371
370
370
369
370
371
371
369
369

Sunday 26

Waxing Gibbous 78%

No Rise

04:13

15 Bad
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 OK
08 OK
09 Bad
10 OK
11 Good
12 Bad
13 Bad
14 Bad

Sun - Rise: 05:42, Set: 20:20, Transit: 13:02. Moon - Rise: No Rise, Set: 04:13. Civil Dark: 20:58 - 05:05. Nautical Dark: 21:46 - 04:16. Astro Dark: 22:44 - 03:18

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
97
95
84
95
92
93
100
64
100
20
24
69
40
14
61
53
49

Low Clouds (% Sky Obscured)

0
0
0
0
0
3
0
0
0
0
0
0
10
8
2
4
9
15
13
15
9
55
42
31

Medium Clouds (% Sky Obscured)

38
39
43
42
42
29
46
55
80
84
95
92
93
100
64
83
20
24
5
0
2
29
28
27

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
88
90
31
26
72
77
82
64
100
20
24
69
17
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
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
5
8

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
1
2
2
4
5
5
5
4
4
3
2
2
2
2
2
1
2
2
4
6
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
17
17
17
16
13
11
9
8
7
7
6
6
6
5
5
6
8
11
13
15
17
18
18

Dew Point (°C)

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

Relative Humidity (%)

56
54
55
61
71
76
84
79
81
82
81
81
78
79
79
79
79
73
73
69
64
63
62
63

Pressure (mb)

1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1027
1027
1026
1026
1027
1027
1027
1027
1027
1026
1026
1025

Ozone (du)

368
367
368
368
368
368
368
370
370
372
374
376
378
378
378
378
379
378
378
379
383
388
386
384

Monday 27

Waxing Gibbous 86%

15:52

04:24

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

Sun - Rise: 05:40, Set: 20:22, Transit: 13:02. Moon - Rise: 15:52, Set: 04:24. Civil Dark: 21:00 - 05:02. Nautical Dark: 21:48 - 04:14. Astro Dark: 22:47 - 03:14

Total Clouds (% Sky Obscured)

49
61
83
95
70
50
14
26
37
70
80
89
96
98
73
82
100
100
100
89
76
63
61
60

Low Clouds (% Sky Obscured)

18
28
40
66
43
29
1
19
37
59
70
82
94
96
73
82
100
100
100
89
76
63
61
60

Medium Clouds (% Sky Obscured)

23
30
75
90
62
15
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
5
9
14
14
14
14
13
11
10
6
3
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
6
8
8
6
8
9
5
9
9
9
9
9
7
0
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
Very Light Rain
Very Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

16
35
57
58
48
44
41
25
7
5
6
4
12
9
1
0
1
0
0
6
12
16
19
17

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
7
6
6
7
7
8
8
8
9
10
9
8
10
10
11
11
12
12
13
13
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
20
20
17
16
13
12
11
10
9
5
5
6
6
5
5
5
4
6
6
7
8
9
9

Dew Point (°C)

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

Relative Humidity (%)

63
63
65
71
82
86
92
93
95
98
95
95
96
95
96
98
98
95
95
90
86
77
72
71

Pressure (mb)

1025
1025
1024
1025
1024
1025
1026
1026
1026
1026
1026
1027
1027
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028

Ozone (du)

380
379
379
378
376
377
380
385
391
396
404
414
424
426
427
428
428
426
422
420
419
418
417
416

Tuesday 28

Waxing Gibbous 93%

17:07

04:34

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

Sun - Rise: 05:38, Set: 20:24, Transit: 13:02. Moon - Rise: 17:07, Set: 04:34. Civil Dark: 21:02 - 05:00. Nautical Dark: 21:50 - 04:11. Astro Dark: 22:50 - 03:10

Total Clouds (% Sky Obscured)

61
62
60
57
53
52
51
48
47
42
31
24
21
29
33
37
92
91
90
92
94
97
86
75

Low Clouds (% Sky Obscured)

61
62
60
57
45
46
48
45
43
38
30
23
13
19
25
30
91
91
90
92
94
97
86
75

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
8
12
21
27

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
11
17
19
21

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
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 (%)

10
3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
2
1
1
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)

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

Chance of Frost

Temperature (°C)

14
14
13
13
12
11
10
8
7
6
6
6
5
5
5
6
6
8
10
11
11
12
13
14

Feels Like (°C)

9
10
10
9
10
8
7
5
4
4
3
2
1
1
1
0
1
2
2
3
3
3
3
9

Dew Point (°C)

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

Relative Humidity (%)

69
71
76
79
77
80
85
91
94
94
96
96
96
96
93
90
85
81
76
72
70
67
64
65

Pressure (mb)

1027
1027
1027
1027
1027
1028
1028
1029
1029
1029
1028
1028
1028
1028
1028
1027
1028
1026
1026
1026
1026
1026
1025
1025

Ozone (du)

413
409
406
405
405
406
406
406
407
408
409
411
415
417
415
413
412
410
408
406
401
397
392
390

Wednesday 29

Waxing Gibbous 97%

18:21

04:46

15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
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 OK
12 Good
13 Good
14 OK

Sun - Rise: 05:36, Set: 20:25, Transit: 13:02. Moon - Rise: 18:21, Set: 04:46. Civil Dark: 21:03 - 04:58. Nautical Dark: 21:53 - 04:09. Astro Dark: 22:53 - 03:07

Total Clouds (% Sky Obscured)

65
68
71
74
60
46
32
41
49
60
58
66
81
83
63
47
46
44
43
28
16
5
6
12

Low Clouds (% Sky Obscured)

65
68
71
70
57
45
32
41
49
60
57
52
46
53
56
47
46
44
43
27
12
0
0
0

Medium Clouds (% Sky Obscured)

33
25
14
2
17
36
32
41
33
21
35
43
43
63
63
47
46
44
43
28
16
5
6
12

High Clouds (% Sky Obscured)

23
33
34
35
30
30
25
15
10
5
5
5
10
10
10
15
25
25
25
25
16
5
6
12

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
5
6
8
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
1
4
5
5
21
33
41
37
36
38
29
16
2
4
7

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
14
14
14
14
13
13
13
12
11
11
10
9
8
7
7
6
7
8
9
9
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
66
68
70
72
72
72
71
72
74
74
73
72
71
77
82
91
88
87
84
76
68
62
65

Pressure (mb)

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

Ozone (du)

388
387
385
383
382
381
380
379
378
376
375
373
371
369
367
366
364
363
362
362
360
359
357
357

Thursday 30

Waxing Gibbous 99%

19:35

04:59

15 Good
16 OK
17 OK
18 OK
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

Sun - Rise: 05:35, Set: 20:27, Transit: 13:02. Moon - Rise: 19:35, Set: 04:59. Civil Dark: 21:05 - 04:56. Nautical Dark: 21:55 - 04:06. Astro Dark: 22:57 - 03:03

Total Clouds (% Sky Obscured)

14
18
28
28
48
73
100
100
100
100
93
90
94
97
97
96
89
82
78
84
86
86

Low Clouds (% Sky Obscured)

0
1
2
8
7
6
15
15
10
15
15
15
25
38
52
70
66
62
52
53
50
50

Medium Clouds (% Sky Obscured)

14
18
15
3
26
49
72
82
91
100
93
90
86
75
67
61
47
31
20
22
23
30

High Clouds (% Sky Obscured)

14
18
28
28
48
73
99
100
100
100
88
77
65
75
87
96
89
81
70
70
55
30

ISS Passover

Visibility (miles)

9
9
9
9
9
7
4
1
4
7
9
7
5
2
5
7
9
8
7
6
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

Precipitation Type

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

Precipitation Probability (%)

3
16
20
18
31
48
59
91
95
95
86
84
95
95
81
55
44
37
37
47
56
64

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.7
1
0.8
0.4
0.4
0.8
0.7
0.4
0
0
0
0
0
0.2
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
17
17
18
18
13
13
13
13
12
11
10
10
10
10
9
9
9
10
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

68
70
76
83
92
93
95
98
98
98
96
98
98
98
96
96
96
95
92
89
84
82

Pressure (mb)

1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

358
358
358
359
359
359
359
360
362
365
367
371
375
378
388
398
408
414
420
426
417
408

Forecast for Culham, Oxfordshire, United Kingdom (51.66,-1.27)

Generated: 24/04/26 15:16:44. Forecast: 24/04/26 to 30/04/26. Timezone: UTC+1.00