Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 17

New Moon 2%

05:57

20:44

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

Sun - Rise: 06:01, Set: 20:09, Transit: 13:06. Moon - Rise: 05:57, Set: 20:44. Civil Dark: 20:45 - 05:25. Nautical Dark: 21:31 - 04:38. Astro Dark: 22:24 - 03:45

Total Clouds (% Sky Obscured)

100
99
98
62
78
27
10
5
44
50
61
51
40
46
58
56
56
50
81
80
79
68
91
69

Low Clouds (% Sky Obscured)

75
61
17
36
7
0
0
0
33
50
61
51
40
43
54
51
51
50
61
47
58
28
49
48

Medium Clouds (% Sky Obscured)

40
90
0
16
16
15
10
5
34
0
0
0
0
0
0
0
0
0
12
26
19
23
38
20

High Clouds (% Sky Obscured)

3
0
7
20
77
23
10
5
8
13
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

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 (%)

95
86
9
2
0
0
0
0
0
0
0
0
0
0
0
0
1
10
1
1
4
10
31
41

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
88
86
84
87
95
95
94
96
94
96
96
96
94
90
79
76
73
70
68
66
69
68
74

Pressure (mb)

1017
1018
1018
1018
1019
1019
1020
1020
1020
1020
1020
1020
1020
1020
1021
1021
1022
1022
1022
1023
1023
1023
1023
1023

Ozone (du)

364
366
369
373
378
378
380
386
391
389
390
393
399
400
401
401
402
402
403
401
400
401
402
406

Saturday 18

Waxing Crescent 7%

06:21

22:19

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

Sun - Rise: 05:59, Set: 20:10, Transit: 13:06. Moon - Rise: 06:21, Set: 22:19. Civil Dark: 20:47 - 05:22. Nautical Dark: 21:33 - 04:36. Astro Dark: 22:27 - 03:42

Total Clouds (% Sky Obscured)

59
54
5
0
0
0
0
5
25
35
9
0
22
30
48
64
42
30
67
78
73
71
44
79

Low Clouds (% Sky Obscured)

50
41
0
0
0
0
0
5
25
35
9
0
22
30
48
64
42
30
64
74
69
60
26
39

Medium Clouds (% Sky Obscured)

2
6
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
32
22
41

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
2
9
9
23
2

ISS Passover

Visibility (miles)

7
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 (%)

33
13
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
71
70
74
77
79
81
84
86
86
88
88
88
89
89
81
70
60
53
49
47
47
46
47

Pressure (mb)

1023
1024
1024
1025
1025
1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1028
1028
1028
1028
1027
1027
1027
1026
1026

Ozone (du)

410
410
409
412
415
416
416
410
405
403
402
402
402
402
401
400
399
397
396
394
393
393
392
391

Sunday 19

Waxing Crescent 14%

06:55

23:53

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

Sun - Rise: 05:57, Set: 20:12, Transit: 13:05. Moon - Rise: 06:55, Set: 23:53. Civil Dark: 20:49 - 05:20. Nautical Dark: 21:36 - 04:33. Astro Dark: 22:30 - 03:38

Total Clouds (% Sky Obscured)

77
71
76
78
81
77
73
64
56
72
79
86
85
81
79
84
71
31
52
100
99
99
94
93

Low Clouds (% Sky Obscured)

33
37
42
34
47
52
55
36
20
20
44
60
67
68
46
42
10
9
16
35
38
45
50
55

Medium Clouds (% Sky Obscured)

38
29
28
25
33
27
21
16
13
16
13
15
14
16
15
22
24
13
16
40
39
33
32
31

High Clouds (% Sky Obscured)

2
1
3
38
2
0
1
0
0
1
0
0
1
3
3
3
3
1
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
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
18
9
10
12
15
27

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
4
6
4
4
4
3
2
0
0
0
-1
-1
-1
-1
1
1
2
2
2
3
3
3
3

Relative Humidity (%)

48
57
65
67
69
73
73
69
66
67
68
67
68
67
68
67
64
61
57
54
56
56
55
54

Pressure (mb)

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

Ozone (du)

390
390
388
387
387
388
387
387
387
389
392
394
395
396
397
397
397
398
400
401
402
402
403
404

Monday 20

Waxing Crescent 24%

07:47

01:16

17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 OK
01 OK
02 OK
03 OK
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 OK

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)

85
59
91
74
34
41
43
37
37
36
34
78
95
93
94
96
99
90
86
80
65
53
44
39

Low Clouds (% Sky Obscured)

55
43
67
59
34
41
43
37
37
36
34
68
67
68
70
70
74
59
61
51
49
43
37
26

Medium Clouds (% Sky Obscured)

33
31
25
25
18
21
21
22
26
33
34
34
33
43
53
64
72
64
57
46
31
15
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
5
6
6
13
29

ISS Passover

Visibility (miles)

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

28
41
30
18
10
9
5
0
1
1
1
4
5
5
6
4
0
14
2
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
9
10
9
7
6
7
7
7
7
7
7
8
10
10
11
13
14
15
15
14
14
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
65
82
87
91
93
93
93
96
96
96
98
98
93
93
90
84
74
66
63
68
67
58
59

Pressure (mb)

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

Ozone (du)

407
408
409
410
413
413
414
413
412
410
409
408
404
402
400
397
395
392
391
389
387
386
386
386

Tuesday 21

Waxing Crescent 24%

08:58

02:20

17 OK
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 OK
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: 05:53, 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)

28
7
10
8
1
3
5
6
11
14
20
24
29
31
35
37
36
42
44
46
53
63
70
56

Low Clouds (% Sky Obscured)

10
1
1
0
0
2
4
6
11
14
20
24
29
31
35
37
36
42
44
46
53
59
66
56

Medium Clouds (% Sky Obscured)

1
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)

28
7
10
8
1
2
2
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
6
6
4
3
2
2
1
1
1
1
0
0
0
1
1
1
2
3
4
5
12
11
11

Dew Point (°C)

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

Relative Humidity (%)

63
65
69
71
72
75
80
85
83
83
88
91
91
91
86
76
69
62
61
62
61
60
59
59

Pressure (mb)

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

Ozone (du)

387
388
389
390
388
387
386
384
383
386
391
393
391
386
383
381
379
377
376
376
376
378
379
381

Wednesday 22

Waxing Crescent 35%

10:22

03:03

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

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)

42
28
19
9
0
18
35
53
59
55
49
53
56
58
54
47
42
38
39
30
35
35
36
36

Low Clouds (% Sky Obscured)

42
28
19
9
0
18
35
53
52
51
46
52
56
57
54
47
42
38
39
30
35
35
36
36

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
1
3
4
4
3
3
3
3
3
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
7
4
2
4
7
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
8
7
6
5
5
4
4
4
4
4
4
3
3
4
4
4
5
5
5
5
6
6

Relative Humidity (%)

64
68
73
80
85
93
94
94
96
98
98
96
96
94
94
88
79
73
68
63
58
56
55
54

Pressure (mb)

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

Ozone (du)

384
386
388
389
389
390
392
395
397
396
396
395
391
387
383
381
378
376
375
373
372
372
372
373

Thursday 23

Waxing Crescent 46%

11:50

03:31

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

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)

34
31
22
12
1
24
47
66
45
15
14
24
35
45
53
62
68
77
85
94

Low Clouds (% Sky Obscured)

34
31
22
10
0
19
35
52
45
15
14
24
35
45
48
46
46
59
74
91

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)

2
2
2
1
1
1
1
1
1
1
1
1
1
1
1
3
6
22
37
49

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 (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
13
13
11
9
7
6
6
5
5
5
5
5
5
5
6
7
9
9
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
64
70
73
75
79
81
81
82
83
83
83
83
85
85
81
75
72
70
68

Pressure (mb)

1025
1025
1025
1025
1026
1026
1026
1026
1026
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1023

Ozone (du)

373
373
373
372
372
372
372
372
373
373
373
373
375
376
377
379
380
382
383
385

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

Generated: 17/04/26 17:51:22. Forecast: 17/04/26 to 23/04/26. Timezone: UTC+1.00