Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 23

Waxing Gibbous 100%

20:01

05:33

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 OK
21 OK
22 OK
23 OK

Sun - Rise: 05:48, Set: 20:13, Transit: 13:01. Moon - Rise: 20:01, Set: 05:33. Civil Dark: 20:50 - 05:11. Nautical Dark: 21:37 - 04:25. Astro Dark: 22:31 - 03:30

Total Clouds (% Sky Obscured)

96
100
100
100
100
100
100
100
63
100
92
83
100
100
100
96
85
87
84
81
44
35
35
23

Low Clouds (% Sky Obscured)

86
87
88
88
100
100
83
82
74
70
86
95
88
74
80
75
88
83
72
77
52
32
30
19

Medium Clouds (% Sky Obscured)

65
37
37
43
33
6
0
3
6
31
4
6
1
0
0
0
0
28
0
0
0
3
3
3

High Clouds (% Sky Obscured)

0
0
7
38
80
100
90
53
61
38
65
82
100
100
98
66
65
5
5
5
4
3
3
3

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Type

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

Precipitation Probability (%)

0
0
0
100
0
0
0
0
0
0
0
0
0
0
0
0
46
51
22
6
3
6
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
84
85
88
89
90
96
96
92
83
75
70
69
65
61
63
77
75
73
78
73
85
88
90

Pressure (mb)

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

Ozone (du)

419
416
408
407
407
403
399
396
395
395
394
394
394
394
393
394
393
396
398
399
399
401
401
402

Wednesday 24

Full Moon 100%

21:16

05:45

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 Good
21 OK
22 Bad
23 Bad

Sun - Rise: 05:46, Set: 20:15, Transit: 13:01. Moon - Rise: 21:16, Set: 05:45. Civil Dark: 20:52 - 05:09. Nautical Dark: 21:39 - 04:22. Astro Dark: 22:34 - 03:27

Total Clouds (% Sky Obscured)

41
73
88
100
93
97
97
100
100
70
68
49
67
78
81
92
83
68
27
30
16
46
65
84

Low Clouds (% Sky Obscured)

36
70
88
100
89
90
95
100
99
73
68
48
65
74
75
75
73
56
32
39
14
30
40
42

Medium Clouds (% Sky Obscured)

3
0
0
3
20
40
40
38
34
0
0
0
0
0
0
31
26
23
0
0
0
0
0
0

High Clouds (% Sky Obscured)

4
4
3
3
0
0
0
0
3
3
3
5
0
0
0
0
0
0
0
0
4
0
7
23

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
2
2
2
4
2
5
2
0
0
1
1
1
12
1
1
3
1
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
5
5
5
5
5
7
7
9
9
9
10
11
10
10
10
10
9
7
5
3
2
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
3
2
1
2
2
2
3
2
1
1
2
2
1
1
1
1
2
3
4
4
2
1
-1

Relative Humidity (%)

91
89
82
79
79
79
82
86
80
70
66
64
58
52
50
50
50
54
59
68
75
75
67
64

Pressure (mb)

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

Ozone (du)

403
403
406
408
412
413
411
405
402
403
407
405
403
404
407
411
408
404
405
407
405
406
407
409

Thursday 25

Waning Gibbous 99%

22:34

06:00

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: 05:44, Set: 20:17, Transit: 13:00. Moon - Rise: 22:34, Set: 06:00. Civil Dark: 20:54 - 05:07. Nautical Dark: 21:41 - 04:20. Astro Dark: 22:37 - 03:24

Total Clouds (% Sky Obscured)

81
72
99
100
100
100
99
86
94
100
95
100
100
93
99
96
99
95
93
98
95
93
97
99

Low Clouds (% Sky Obscured)

27
33
41
35
40
85
57
45
46
3
18
85
71
42
53
62
62
68
65
77
77
86
73
79

Medium Clouds (% Sky Obscured)

0
0
0
0
8
50
53
38
62
97
95
65
41
35
42
50
98
92
87
51
88
89
95
97

High Clouds (% Sky Obscured)

54
47
96
59
34
41
96
71
77
100
49
89
100
73
55
64
60
60
31
33
38
55
50
33

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
0
3
20
6
4
4
2
11
16
10
31
39
51
40
35
35
26
23
24
31
32

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
75
76
73
73
73
85
91
85
75
69
66
73
72
65
72
90
90
90
88
83
85
91
93

Pressure (mb)

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

Ozone (du)

408
407
405
404
403
400
400
401
402
404
406
406
405
405
407
409
411
412
415
415
414
413
414
415

Friday 26

Waning Gibbous 96%

23:52

06:22

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: 05:42, Set: 20:18, Transit: 13:00. Moon - Rise: 23:52, Set: 06:22. Civil Dark: 20:56 - 05:05. Nautical Dark: 21:43 - 04:17. Astro Dark: 22:40 - 03:20

Total Clouds (% Sky Obscured)

98
87
90
92
99
100
100
98
99
96
100
99
99
99
99
100
100
100
100
100
100
100
96
93

Low Clouds (% Sky Obscured)

76
73
85
75
77
76
67
74
74
92
98
88
82
80
76
73
71
47
42
44
47
50
51
49

Medium Clouds (% Sky Obscured)

93
66
85
88
97
98
93
93
94
69
93
90
82
78
78
76
85
93
100
100
95
89
76
92

High Clouds (% Sky Obscured)

31
50
50
50
71
94
77
62
70
70
45
42
49
68
91
99
99
100
100
88
77
70
69
65

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
5
5
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
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

23
5
14
22
19
7
5
6
9
16
30
42
56
55
59
47
42
35
29
22
17
8
11
9

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
90
90
88
87
87
87
85
82
81
81
80
80
80
87
92
92
86
80
86
88
93
95
91

Pressure (mb)

1004
1003
1003
1003
1003
1003
1003
1003
1004
1004
1004
1003
1003
1003
1003
1003
1003
1003
1002
1002
1003
1003
1003
1003

Ozone (du)

417
417
416
418
424
427
427
427
428
430
428
431
430
428
428
429
431
433
434
435
436
437
437
436

Saturday 27

Waning Gibbous 91%

No Rise

06:52

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

Sun - Rise: 05:40, Set: 20:20, Transit: 13:00. Moon - Rise: No Rise, Set: 06:52. Civil Dark: 20:57 - 05:03. Nautical Dark: 21:46 - 04:15. Astro Dark: 22:44 - 03:17

Total Clouds (% Sky Obscured)

90
75
55
42
40
49
54
67
83
100
100
99
100
98
97
95
97
98
100
100
90
81
77
87

Low Clouds (% Sky Obscured)

47
37
23
13
3
5
1
10
25
39
56
44
52
60
66
72
61
46
34
44
70
80
73
70

Medium Clouds (% Sky Obscured)

80
77
59
46
59
57
53
69
85
100
98
93
85
96
78
88
92
96
100
45
45
45
37
32

High Clouds (% Sky Obscured)

70
70
4
28
62
65
65
77
88
90
99
79
100
93
89
86
84
85
84
87
30
35
35
35

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
9
9
9
4
9
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
Very Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

6
5
3
1
0
0
0
3
5
5
38
46
49
48
54
79
95
63
45
64
79
92
86
87

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
1.3
0.3
0
0.3
0.4
0.5
0.4
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
91
96
98
96
96
94
96
91
88
79
74
71
69
82
92
95
96
90
90
89
92
93
91

Pressure (mb)

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

Ozone (du)

434
436
436
435
434
432
430
430
431
430
430
429
429
430
433
433
432
431
431
439
452
447
445
445

Sunday 28

Waning Gibbous 83%

01:03

07:37

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: 01:03, Set: 07:37. Civil Dark: 20:59 - 05:01. Nautical Dark: 21:48 - 04:12. Astro Dark: 22:47 - 03:13

Total Clouds (% Sky Obscured)

95
89
79
68
55
68
54
84
85
83
90
96
99
94
88
83
71
59
48
45
42
40
48
57

Low Clouds (% Sky Obscured)

67
60
66
68
53
70
53
66
53
44
41
40
38
44
51
57
52
47
41
37
32
30
31
33

Medium Clouds (% Sky Obscured)

21
48
55
1
0
0
0
56
53
49
59
69
76
62
54
47
33
19
5
4
2
0
14
31

High Clouds (% Sky Obscured)

35
88
54
3
0
0
0
7
15
24
46
70
95
83
71
57
40
22
5
4
3
3
21
35

ISS Passover

Visibility (miles)

9
9
6
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

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

Precipitation Probability (%)

78
71
51
21
9
6
6
22
27
30
43
52
59
63
67
71
63
52
34
29
23
5
6
7

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
93
88
87
87
87
91
84
77
72
72
72
72
75
78
79
82
83
83
86
90
93
93

Pressure (mb)

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

Ozone (du)

445
440
433
434
441
444
443
440
438
436
434
432
431
430
431
432
433
435
438
441
440
440
440
437

Monday 29

Waning Gibbous 74%

02:02

08:38

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 OK
21 OK
22 OK
23 OK

Sun - Rise: 05:36, Set: 20:23, Transit: 13:00. Moon - Rise: 02:02, Set: 08:38. Civil Dark: 21:01 - 04:59. Nautical Dark: 21:50 - 04:10. Astro Dark: 22:50 - 03:10

Total Clouds (% Sky Obscured)

71
75
81
81
86
95
100
95
89
84
81
79
76
82
88
92
86
80
72
49
25
2
4
8

Low Clouds (% Sky Obscured)

31
47
62
78
86
93
100
92
85
77
76
74
69
76
74
79
72
65
54
37
19
1
2
3

Medium Clouds (% Sky Obscured)

47
35
24
22
25
28
31
30
31
29
29
32
40
40
36
34
26
19
12
9
5
0
0
0

High Clouds (% Sky Obscured)

51
34
17
0
0
0
0
0
1
1
14
32
47
32
17
0
0
0
0
1
2
2
4
5

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

4
9
11
11
27
36
43
37
30
20
29
38
46
44
44
44
47
47
43
37
29
14
11
7

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
95
96
95
95
91
90
87
81
76
70
66
63
59
63
67
70
75
80
86
87
91
93
95

Pressure (mb)

1008
1009
1009
1009
1010
1010
1011
1011
1011
1012
1012
1013
1013
1013
1013
1014
1014
1014
1014
1015
1015
1016
1017
1017

Ozone (du)

435
433
435
436
438
441
444
448
449
451
453
454
456
458
455
451
448
445
441
437
438
438
438
433

Forecast for Sandhurst, Bracknell Forest, United Kingdom (51.35,-0.79)

Generated: 23/04/24 16:00:45. Forecast: 23/04/24 to 29/04/24. Timezone: UTC+1.00