Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waxing Crescent 24%

07:47

01:16

17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 OK
23 OK
00 OK
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 OK
16 Good

Sun - Rise: 05:55, Set: 20:14, Transit: 13:05. Moon - Rise: 07:47, Set: 01:16. Civil Dark: 20:51 - 05:18. Nautical Dark: 21:38 - 04:30. Astro Dark: 22:33 - 03:35

Total Clouds (% Sky Obscured)

74
68
58
58
53
29
28
41
62
69
56
66
75
83
73
68
68
59
74
63
85
50
28
6

Low Clouds (% Sky Obscured)

22
3
10
3
1
0
27
41
62
69
56
62
74
82
73
62
59
59
47
40
73
43
24
0

Medium Clouds (% Sky Obscured)

28
20
15
21
30
16
2
0
0
0
0
5
0
0
0
7
9
1
16
16
39
14
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
6
0
3
5
9
5

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
35
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
5
1
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
9
9
8
8
8
8
7
7
8
8
8
8
8
10
12
14
15
15
16
15
16
18
18

Chance of Frost

Temperature (°C)

13
12
11
9
7
6
6
5
4
4
4
4
4
4
5
6
8
9
11
12
13
13
14
14

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
65
75
81
87
90
93
94
96
96
98
98
98
96
90
88
74
66
61
61
62
54
53
57

Pressure (mb)

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

Ozone (du)

422
421
420
421
423
425
423
420
417
415
414
413
414
413
416
417
416
414
411
409
410
410
409
409

Tuesday 21

Waxing Crescent 24%

08:58

02:20

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

Sun - Rise: 05:53, Set: 20:16, Transit: 13:05. Moon - Rise: 08:58, Set: 02:20. Civil Dark: 20:53 - 05:15. Nautical Dark: 21:40 - 04:28. Astro Dark: 22:36 - 03:31

Total Clouds (% Sky Obscured)

34
19
1
0
0
0
1
0
25
38
43
46
64
65
64
46
14
8
27
37
49
33
30
25

Low Clouds (% Sky Obscured)

28
19
0
0
0
0
0
0
25
38
43
46
64
65
64
46
14
8
26
35
47
31
21
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
0
0

High Clouds (% Sky Obscured)

7
6
1
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
8
18

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
8
7
5
4
3
1
1
1
0
1
1
1
1
2
3
4
7
8
9
11
11
12
12

Dew Point (°C)

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

Relative Humidity (%)

60
62
65
67
70
75
78
79
82
85
86
89
91
93
91
82
74
66
61
57
56
55
54
55

Pressure (mb)

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

Ozone (du)

408
407
406
404
400
395
390
389
389
388
389
389
388
387
385
381
377
376
376
376
375
376
376
377

Wednesday 22

Waxing Crescent 35%

10:22

03:03

17 Good
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 OK
11 OK
12 Good
13 Good
14 Good
15 Good
16 Good

Sun - Rise: 05:51, Set: 20:17, Transit: 13:05. Moon - Rise: 10:22, Set: 03:03. Civil Dark: 20:55 - 05:13. Nautical Dark: 21:42 - 04:25. Astro Dark: 22:39 - 03:28

Total Clouds (% Sky Obscured)

9
76
100
100
100
100
100
99
80
49
58
58
62
65
65
62
53
33
21
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
9
40
56
65
49
58
58
62
65
65
62
53
33
6
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
0
0
4
8
5
11
9
0
10
0
0
0
0
0

High Clouds (% Sky Obscured)

9
76
100
100
99
100
100
98
78
12
14
6
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
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)

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

Chance of Frost

Temperature (°C)

15
14
13
10
8
7
6
5
5
5
4
4
3
3
3
5
7
9
11
13
14
15
15
16

Feels Like (°C)

12
10
9
5
3
2
1
1
-0
1
2
1
1
0
1
3
5
7
8
10
11
12
13
13

Dew Point (°C)

8
8
8
6
5
4
5
5
4
4
4
3
3
2
3
3
3
4
4
4
5
5
6
6

Relative Humidity (%)

61
67
71
74
77
82
91
96
94
96
96
96
98
96
96
88
78
68
60
56
54
52
52
53

Pressure (mb)

1027
1027
1027
1028
1029
1030
1030
1030
1031
1031
1031
1031
1031
1031
1032
1032
1032
1032
1031
1031
1031
1030
1030
1029

Ozone (du)

378
378
375
374
376
378
381
382
381
383
381
380
383
385
387
388
389
390
391
393
393
392
391
390

Thursday 23

Waxing Crescent 46%

11:50

03:31

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

Sun - Rise: 05:49, Set: 20:19, Transit: 13:05. Moon - Rise: 11:50, Set: 03:31. Civil Dark: 20:57 - 05:11. Nautical Dark: 21:45 - 04:22. Astro Dark: 22:42 - 03:24

Total Clouds (% Sky Obscured)

0
0
0
0
0
7
15
16
21
26
31
32
43
65
70
70
58
39
19
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
7
15
16
21
26
31
32
43
65
70
70
55
35
18
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
0
0

High 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

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)

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

Chance of Frost

Temperature (°C)

15
14
13
10
8
6
5
4
3
3
3
2
2
2
3
5
7
9
11
12
14
15
16
16

Feels Like (°C)

13
12
11
9
6
5
4
2
2
1
1
1
1
1
2
3
4
6
8
9
11
12
13
13

Dew Point (°C)

6
7
7
6
5
4
4
2
1
1
1
0
0
0
0
-0
-0
1
1
2
4
5
5
5

Relative Humidity (%)

55
61
68
77
82
86
88
86
85
85
86
85
86
86
82
70
62
57
52
50
50
50
48
48

Pressure (mb)

1029
1029
1029
1029
1029
1030
1030
1030
1029
1029
1029
1029
1029
1029
1029
1029
1029
1028
1028
1027
1027
1026
1026
1025

Ozone (du)

389
388
386
384
384
384
386
386
386
385
385
386
387
388
388
387
387
388
384
376
373
371
369
369

Friday 24

First Quarter 58%

13:15

03:50

17 Good
18 Good
19 Good
20 Good
21 Good
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

Sun - Rise: 05:46, Set: 20:21, Transit: 13:05. Moon - Rise: 13:15, Set: 03:50. Civil Dark: 20:59 - 05:09. Nautical Dark: 21:47 - 04:20. Astro Dark: 22:45 - 03:21

Total Clouds (% Sky Obscured)

0
0
0
1
1
25
53
79
78
75
81
79
78
74
70
75
76
79
75
71
65
58
52
61

Low Clouds (% Sky Obscured)

0
0
0
0
0
25
51
79
78
75
81
79
78
74
70
75
76
79
73
68
62
55
49
57

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
0
4

High Clouds (% Sky Obscured)

0
0
0
1
1
2
3
2
5
5
6
5
4
6
11
9
8
17
17
18
19
23
26
32

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)

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

Chance of Frost

Temperature (°C)

16
15
14
11
9
7
6
5
4
4
4
3
3
3
4
5
7
9
10
11
13
13
14
14

Feels Like (°C)

14
14
12
10
8
6
5
4
2
2
2
2
2
2
3
3
3
3
4
5
6
11
12
11

Dew Point (°C)

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

Relative Humidity (%)

53
58
67
73
77
78
79
80
83
85
85
83
83
82
76
67
57
51
47
43
40
40
41
41

Pressure (mb)

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

Ozone (du)

369
369
370
370
371
371
370
369
369
369
369
367
365
364
363
362
361
360
360
361
361
361
361
360

Saturday 25

Waxing Gibbous 68%

14:36

04:04

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

Sun - Rise: 05:44, Set: 20:23, Transit: 13:04. Moon - Rise: 14:36, Set: 04:04. Civil Dark: 21:00 - 05:06. Nautical Dark: 21:49 - 04:17. Astro Dark: 22:48 - 03:17

Total Clouds (% Sky Obscured)

70
79
74
69
64
67
59
50
55
50
40
40
41
37
36
30
29
40
56
59
65
70
75
72

Low Clouds (% Sky Obscured)

62
67
65
63
58
56
59
48
46
44
33
39
40
37
36
30
29
40
56
59
65
67
68
67

Medium Clouds (% Sky Obscured)

6
7
3
2
0
0
1
1
1
1
1
1
1
0
1
1
1
1
0
0
0
0
0
0

High Clouds (% Sky Obscured)

33
30
30
31
27
15
7
3
2
1
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
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
1
2
5

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

49
56
64
66
69
71
75
79
83
88
89
94
94
91
89
83
78
72
67
63
59
61
64
66

Pressure (mb)

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

Ozone (du)

361
361
362
364
366
369
371
373
375
375
375
375
374
372
371
372
373
374
373
373
372
372
371
371

Sunday 26

Waxing Gibbous 78%

15:54

04:16

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

Sun - Rise: 05:42, Set: 20:24, Transit: 13:04. Moon - Rise: 15:54, Set: 04:16. Civil Dark: 21:02 - 05:04. Nautical Dark: 21:52 - 04:14. Astro Dark: 22:52 - 03:13

Total Clouds (% Sky Obscured)

69
67
56
48
41
41
41
39
26
6
3
12
21
30
52
72
87
89
90
93

Low Clouds (% Sky Obscured)

65
65
55
48
38
36
33
32
26
6
3
12
19
17
14
11
12
9
12
10

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
3
4
5
10
18
24
24
30

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
1
2
4
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
72
75
80
82
88
90
91
94
94
94
94
93
93
93
83
75
69
65
60

Pressure (mb)

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

Ozone (du)

372
374
375
377
378
380
380
380
380
380
379
379
380
380
380
380
380
380
380
381

Forecast for Henley in Arden, Warwickshire, United Kingdom (52.29,-1.78)

Generated: 20/04/26 17:51:54. Forecast: 20/04/26 to 26/04/26. Timezone: UTC+1.00