Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 23

Waxing Gibbous 100%

20:01

05:32

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
22 OK
23 Good

Sun - Rise: 05:47, Set: 20:13, Transit: 13:00. Moon - Rise: 20:01, Set: 05:32. Civil Dark: 20:50 - 05:11. Nautical Dark: 21:37 - 04:24. Astro Dark: 22:32 - 03:29

Total Clouds (% Sky Obscured)

95
100
91
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
71
74
58
46
10

Low Clouds (% Sky Obscured)

86
84
84
85
89
100
90
95
75
87
89
87
99
81
95
86
98
82
65
25
52
30
28
3

Medium Clouds (% Sky Obscured)

71
33
38
42
39
21
12
3
12
24
21
3
3
3
3
0
0
0
0
0
0
3
3
3

High Clouds (% Sky Obscured)

0
0
3
12
71
100
89
56
55
58
38
58
100
100
96
64
55
6
7
4
3
3
4
4

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
9
9
9
9
9

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0
0
0
0
0

Precipitation Type

None
None
None
None
Very Light Rain
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
100
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
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
3
3
2
4
4
4
6
7
7
7
8
9
11
11
11
8
10
14
10
10
8
6
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
4
4
4
4
4
4
4
5
5
4
4
4
4
4
3
4
5
4
4
4
4
4
3

Relative Humidity (%)

81
78
80
82
87
89
88
88
89
82
77
78
73
66
62
63
64
72
68
74
82
83
86
86

Pressure (mb)

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

Ozone (du)

412
411
412
411
407
403
398
398
397
398
398
397
395
394
391
389
391
390
390
399
400
402
403
402

Wednesday 24

Full Moon 100%

21:17

05:44

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 OK
20 OK
21 OK
22 Bad
23 OK

Sun - Rise: 05:45, Set: 20:15, Transit: 13:00. Moon - Rise: 21:17, Set: 05:44. Civil Dark: 20:52 - 05:08. Nautical Dark: 21:39 - 04:21. Astro Dark: 22:35 - 03:25

Total Clouds (% Sky Obscured)

72
78
97
100
93
98
97
100
96
75
71
59
87
89
89
86
83
80
40
28
23
43
62
35

Low Clouds (% Sky Obscured)

66
72
95
100
86
89
94
100
92
73
65
62
86
83
81
82
73
68
48
34
22
36
30
17

Medium Clouds (% Sky Obscured)

3
0
2
9
26
36
36
37
23
0
0
0
0
0
0
0
7
14
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
1
12
3
0
0
0
3
4
4
4
0
0
0
0
0
0
0
0
0
4
0
11
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
1
1
3
2
2
1
2
1
0
0
2
0
1
4
6
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
1
1
0
1
2
3
2
1
0
1
1
1
1
1
1
2
3
3
4
4
2
1
0

Relative Humidity (%)

88
82
79
76
76
80
85
82
74
67
66
61
55
52
51
52
55
59
61
69
75
75
74
68

Pressure (mb)

1022
1021
1021
1020
1020
1020
1019
1019
1019
1019
1019
1018
1018
1017
1017
1016
1016
1015
1015
1015
1015
1015
1014
1014

Ozone (du)

402
405
406
410
411
410
406
401
402
406
406
402
404
406
409
410
407
405
407
405
406
408
410
408

Thursday 25

Waning Gibbous 99%

22:35

05:59

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
22 Bad
23 Bad

Sun - Rise: 05:43, Set: 20:17, Transit: 13:00. Moon - Rise: 22:35, Set: 05:59. Civil Dark: 20:54 - 05:06. Nautical Dark: 21:42 - 04:19. Astro Dark: 22:38 - 03:22

Total Clouds (% Sky Obscured)

84
86
97
100
100
99
100
97
100
100
100
100
99
95
99
94
99
91
91
94
96
94
99
100

Low Clouds (% Sky Obscured)

44
42
48
46
62
66
61
52
16
4
86
93
74
51
50
60
50
74
61
72
82
83
83
83

Medium Clouds (% Sky Obscured)

0
0
0
0
37
44
35
29
81
98
100
60
22
62
44
32
91
90
83
61
73
81
94
100

High Clouds (% Sky Obscured)

31
52
67
40
59
98
99
93
100
87
85
100
96
68
50
82
60
65
11
16
33
46
56
6

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
5
5
7
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
9
5
3
1
1
1
2
8
17
34
40
47
42
39
31
27
30
35
34
30

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
3
4
4
5
6
5
5
6
6
6
9
9
10
9
9
10
8
7
4
2
2
1
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
1
1
0
-1
-2
-1
0
2
4
6
6
7
8
9
9
9
9
8
10
8
7
7
6

Dew Point (°C)

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

Relative Humidity (%)

73
76
73
72
74
77
91
94
85
77
69
71
73
70
67
73
72
83
85
84
82
81
84
85

Pressure (mb)

1014
1013
1012
1011
1010
1010
1009
1009
1009
1008
1008
1007
1006
1006
1005
1004
1004
1004
1004
1004
1004
1004
1004
1004

Ozone (du)

404
402
401
399
398
398
400
401
402
404
405
407
407
407
406
407
409
410
413
414
413
411
413
415

Friday 26

Waning Gibbous 96%

23:52

06:20

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
22 Bad
23 Bad

Sun - Rise: 05:41, Set: 20:18, Transit: 13:00. Moon - Rise: 23:52, Set: 06:20. Civil Dark: 20:56 - 05:04. Nautical Dark: 21:44 - 04:16. Astro Dark: 22:41 - 03:18

Total Clouds (% Sky Obscured)

99
92
92
88
99
100
100
100
97
90
100
100
98
98
99
99
99
100
100
100
100
99
97
95

Low Clouds (% Sky Obscured)

73
76
85
70
72
74
68
74
70
65
97
86
86
82
77
74
69
66
53
40
39
43
48
45

Medium Clouds (% Sky Obscured)

96
87
80
85
98
94
98
100
95
82
99
92
87
77
90
86
91
96
100
100
99
99
96
93

High Clouds (% Sky Obscured)

31
45
50
51
75
71
97
62
60
60
60
35
3
45
72
96
97
98
100
90
62
56
68
64

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

Precipitation Probability (%)

19
8
17
10
20
7
4
4
14
12
24
30
52
44
49
51
52
48
48
38
28
9
14
14

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
2
2
1
1
2
3
3
4
5
6
7
8
8
10
10
9
8
8
8
8
7
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
90
88
87
90
91
91
90
90
90
91
88
85
84
84
87
92
93
90
93
95
96
96

Pressure (mb)

1004
1003
1003
1003
1003
1003
1003
1003
1004
1004
1004
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003
1003

Ozone (du)

417
417
417
418
423
426
426
426
427
430
430
430
431
429
428
427
429
432
433
434
436
437
438
438

Saturday 27

Waning Gibbous 91%

No Rise

06:51

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

Sun - Rise: 05:39, Set: 20:20, Transit: 13:00. Moon - Rise: No Rise, Set: 06:51. Civil Dark: 20:58 - 05:02. Nautical Dark: 21:46 - 04:14. Astro Dark: 22:45 - 03:15

Total Clouds (% Sky Obscured)

93
79
63
48
39
40
40
58
79
100
100
100
100
99
99
98
97
97
96
97
81
92
75
74

Low Clouds (% Sky Obscured)

45
34
20
7
4
2
3
6
14
22
46
39
56
48
52
53
50
46
40
48
64
89
75
64

Medium Clouds (% Sky Obscured)

91
65
74
69
31
60
49
68
86
100
65
100
100
95
92
87
89
92
95
97
45
45
45
42

High Clouds (% Sky Obscured)

65
70
70
42
15
12
31
69
83
97
98
66
100
98
97
96
90
84
77
85
27
30
30
30

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
7
8
9
7
6
3
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
Very Light Rain
None
None
Light Rain
Light Rain
Very Light Rain
None
None
Very Light Rain
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

10
9
6
1
0
0
0
1
2
2
42
50
54
45
45
75
95
64
48
46
58
67
75
81

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0.4
0.7
0.3
0
0
0.2
0.3
0.4
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
93
96
98
98
98
98
96
91
87
83
79
75
74
68
80
92
95
92
89
90
92
93
91

Pressure (mb)

1003
1002
1002
1002
1001
1001
1001
1001
1000
1000
1000
1000
999
999
999
999
998
998
997
997
998
998
998
999

Ozone (du)

436
435
436
436
435
434
433
430
430
430
430
429
429
431
432
433
431
431
433
433
444
450
447
447

Sunday 28

Waning Gibbous 83%

01:04

07:35

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
22 Bad
23 Bad

Sun - Rise: 05:38, Set: 20:22, Transit: 13:00. Moon - Rise: 01:04, Set: 07:35. Civil Dark: 21:00 - 05:00. Nautical Dark: 21:48 - 04:11. Astro Dark: 22:48 - 03:12

Total Clouds (% Sky Obscured)

93
87
78
69
62
60
80
80
74
68
79
89
100
99
99
99
85
72
59
58
57
57
66
74

Low Clouds (% Sky Obscured)

60
59
58
58
52
51
69
72
57
41
39
39
38
44
51
58
58
59
60
54
46
40
42
44

Medium Clouds (% Sky Obscured)

45
27
48
3
5
11
19
38
36
29
47
60
74
66
59
49
33
19
5
9
15
18
29
37

High Clouds (% Sky Obscured)

34
55
80
6
3
2
0
1
3
4
36
67
98
97
96
96
67
37
7
9
9
14
32
41

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
7
8
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

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

Precipitation Probability (%)

85
72
61
27
14
9
14
26
34
40
46
53
59
61
63
64
61
54
43
35
26
13
12
9

Precipitation Amount (mm)

0.6
0.4
0.3
0
0
0
0
0
0
0
0
0
0.2
0.2
0.2
0.2
0.2
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
91
91
90
88
88
88
81
77
71
71
70
68
72
75
79
82
83
86
87
88
91
93

Pressure (mb)

999
999
1000
1000
1001
1001
1002
1002
1003
1003
1003
1004
1004
1004
1004
1005
1005
1005
1005
1005
1006
1007
1007
1008

Ozone (du)

445
442
437
433
436
442
444
442
440
437
435
434
433
432
432
432
432
434
436
438
438
438
438
437

Monday 29

Waning Gibbous 74%

02:03

08:36

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 OK
22 OK
23 OK

Sun - Rise: 05:36, Set: 20:23, Transit: 13:00. Moon - Rise: 02:03, Set: 08:36. Civil Dark: 21:01 - 04:58. Nautical Dark: 21:51 - 04:09. Astro Dark: 22:51 - 03:08

Total Clouds (% Sky Obscured)

83
80
78
75
81
88
93
88
84
81
84
86
89
81
74
68
63
57
52
35
18
1
14
27

Low Clouds (% Sky Obscured)

42
51
61
73
80
85
91
85
79
72
71
69
65
65
65
67
60
52
44
30
15
0
16
33

Medium Clouds (% Sky Obscured)

41
33
26
24
22
22
22
24
26
25
34
44
53
44
37
31
24
18
14
9
5
0
0
0

High Clouds (% Sky Obscured)

51
31
15
0
0
0
0
0
0
1
7
14
20
14
6
0
0
0
0
0
0
0
2
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
8
7
7
6
5
4
5
6
7
7
8
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
Very Light Rain
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

3
7
8
7
23
32
39
35
31
27
35
43
51
50
51
53
55
55
54
46
34
17
12
7

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
9
9
9
9
9
10
10
10
11
12
13
14
15
14
13
13
12
10
9
8
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
96
95
96
96
95
91
90
83
76
70
67
64
62
66
70
74
79
81
86
90
91
95
94

Pressure (mb)

1008
1008
1009
1009
1009
1010
1010
1010
1011
1011
1012
1012
1013
1013
1013
1013
1014
1014
1014
1014
1015
1016
1016
1016

Ozone (du)

436
435
436
436
437
440
443
446
448
451
454
456
458
460
459
458
456
451
446
441
440
439
438
433

Forecast for Bray Court, Windsor and Maidenhead, United Kingdom (51.50,-0.70)

Generated: 23/04/24 19:30:49. Forecast: 23/04/24 to 29/04/24. Timezone: UTC+1.00