Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 23

Waxing Gibbous 100%

20:02

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 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:49, Set: 20:14, Transit: 13:02. Moon - Rise: 20:02, Set: 05:33. Civil Dark: 20:51 - 05:12. Nautical Dark: 21:38 - 04:25. Astro Dark: 22:33 - 03:30

Total Clouds (% Sky Obscured)

96
100
100
100
100
100
100
94
98
98
93
100
100
100
100
95
93
73
84
67
54
50
59
93

Low Clouds (% Sky Obscured)

86
87
88
88
100
100
83
86
70
91
100
100
87
100
86
91
69
69
78
68
54
50
52
82

Medium Clouds (% Sky Obscured)

65
37
37
43
33
6
0
11
29
23
6
23
42
28
35
27
12
0
0
0
3
2
3
22

High Clouds (% Sky Obscured)

0
0
7
38
80
100
90
63
78
57
55
89
100
100
100
76
70
9
7
4
8
4
4
4

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
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

Precipitation Type

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
None

Precipitation Probability (%)

0
0
0
100
0
0
0
0
0
0
0
13
25
22
23
28
25
19
17
2
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
4
4
4
4
4
5
5
6
5
5
5
5
5
5
4
6
5
5
5
5
5
4
2

Relative Humidity (%)

88
84
85
88
89
90
96
94
93
87
82
81
78
73
74
67
76
68
69
74
84
88
86
78

Pressure (mb)

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

Ozone (du)

419
416
408
407
407
403
399
396
395
394
393
391
392
394
392
391
394
399
401
403
402
402
402
404

Wednesday 24

Full Moon 100%

21:17

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 Good
20 OK
21 Bad
22 OK
23 OK

Sun - Rise: 05:47, Set: 20:16, Transit: 13:01. Moon - Rise: 21:17, Set: 05:45. Civil Dark: 20:53 - 05:10. Nautical Dark: 21:40 - 04:23. Astro Dark: 22:36 - 03:27

Total Clouds (% Sky Obscured)

94
96
100
93
94
96
100
100
86
72
49
78
75
80
91
84
84
47
38
7
30
50
29
48

Low Clouds (% Sky Obscured)

71
72
86
85
89
87
89
89
81
66
37
73
73
74
88
70
74
47
39
5
21
30
19
2

Medium Clouds (% Sky Obscured)

39
37
44
33
29
34
45
48
3
0
0
0
0
0
0
16
32
2
2
0
0
0
0
0

High Clouds (% Sky Obscured)

4
4
4
4
0
0
0
4
4
13
31
12
4
0
0
0
0
0
0
0
3
3
4
42

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
3
10
5
4
2
2
6
0
0
0
1
0
0
11
1
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)

3
4
4
4
4
5
6
7
8
8
10
11
11
11
11
11
11
10
10
7
4
2
2
1

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
76
78
78
78
78
79
82
78
75
65
60
55
53
53
53
57
59
61
70
76
78
71
76

Pressure (mb)

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

Ozone (du)

406
408
408
410
414
413
411
410
409
407
406
408
408
407
408
409
409
410
408
406
404
404
405
407

Thursday 25

Waning Gibbous 99%

22:36

06:01

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

Sun - Rise: 05:45, Set: 20:18, Transit: 13:01. Moon - Rise: 22:36, Set: 06:01. Civil Dark: 20:55 - 05:08. Nautical Dark: 21:42 - 04:20. Astro Dark: 22:39 - 03:23

Total Clouds (% Sky Obscured)

48
61
97
100
98
99
100
100
98
96
95
98
100
100
100
92
99
99
95
93
96
97
97
95

Low Clouds (% Sky Obscured)

2
15
30
30
49
72
67
44
45
57
55
87
98
92
65
23
47
61
48
57
76
70
76
81

Medium Clouds (% Sky Obscured)

0
0
0
0
0
33
32
40
72
45
48
50
92
100
100
75
63
91
92
80
93
96
92
91

High Clouds (% Sky Obscured)

45
36
78
98
83
77
99
99
88
66
55
49
71
73
80
24
77
88
50
41
5
60
61
60

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
8
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
1
1
4
22
26
29
32
32
40
32
25
20
24
28
29
22

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
82
80
72
72
85
82
88
82
74
72
67
68
72
64
64
68
79
75
79
87
91
93
93

Pressure (mb)

1013
1013
1012
1011
1010
1010
1009
1009
1009
1008
1008
1007
1006
1006
1005
1005
1004
1004
1003
1003
1003
1004
1003
1003

Ozone (du)

410
413
414
414
415
416
416
415
415
415
412
409
409
410
410
410
410
411
411
409
409
414
420
423

Friday 26

Waning Gibbous 96%

23:53

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: 05:43, Set: 20:19, Transit: 13:01. Moon - Rise: 23:53, Set: 06:22. Civil Dark: 20:57 - 05:05. Nautical Dark: 21:45 - 04:18. Astro Dark: 22:42 - 03:20

Total Clouds (% Sky Obscured)

97
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
96
92
88
83
78
73
70
65

Low Clouds (% Sky Obscured)

85
88
98
100
100
100
100
99
100
100
95
90
81
83
77
75
75
73
69
71
66
63
64
61

Medium Clouds (% Sky Obscured)

93
96
98
100
100
100
100
100
100
100
100
100
100
100
100
100
88
75
63
61
60
59
54
45

High Clouds (% Sky Obscured)

60
80
80
27
25
91
87
91
96
100
100
100
100
88
77
60
48
49
39
60
60
60
60
65

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

17
37
56
72
84
92
95
88
95
83
66
62
65
72
80
82
70
59
44
39
35
20
29
35

Precipitation Amount (mm)

0
0
0.2
0.4
0.5
0.7
0.8
0.6
1
0.7
0.3
0.3
0.4
0.5
0.6
0.6
0.4
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
91
91
91
93
93
90
93
91
88
88
82
76
71
66
68
76
78
85
87
86
94

Pressure (mb)

1003
1002
1002
1001
1001
1001
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1000
1001
1001
1001
1001

Ozone (du)

424
425
427
429
431
433
436
437
437
436
437
436
437
438
437
434
433
432
431
432
433
433
432
432

Saturday 27

Waning Gibbous 91%

No Rise

06:52

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: 20:21, Transit: 13:01. Moon - Rise: No Rise, Set: 06:52. Civil Dark: 20:59 - 05:03. Nautical Dark: 21:47 - 04:15. Astro Dark: 22:45 - 03:17

Total Clouds (% Sky Obscured)

59
56
56
55
62
63
76
66
55
48
63
79
95
97
98
100
88
100
100
100
100
100
97
95

Low Clouds (% Sky Obscured)

61
53
44
39
31
21
19
15
30
39
53
70
88
85
77
79
70
51
47
75
76
77
75
74

Medium Clouds (% Sky Obscured)

45
51
54
60
59
34
81
73
64
55
58
65
68
79
87
100
50
100
100
96
93
88
78
63

High Clouds (% Sky Obscured)

65
0
1
1
3
4
70
70
65
70
70
70
70
80
58
100
25
77
61
93
87
84
69
61

ISS Passover

Visibility (miles)

6
2
9
9
8
9
9
9
9
5
2
4
4
5
9
4
4
5
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

45
28
13
20
24
11
6
4
41
90
95
81
72
57
54
61
61
46
39
95
95
95
81
63

Precipitation Amount (mm)

0.2
0
0
0
0
0
0
0
0
0.5
1
0.4
0.4
0.2
0.2
0.4
0.4
0
0
0.7
0.7
0.7
0.5
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
100
98
98
96
98
96
96
93
91
95
95
96
95
95
86
90
86
86
93
93
95
95
95

Pressure (mb)

1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
999
1000
1000
1000

Ozone (du)

433
434
433
431
433
434
432
431
431
430
427
429
432
432
435
438
441
436
436
437
439
441
442
444

Sunday 28

Waning Gibbous 83%

01:05

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: 05:39, Set: 20:23, Transit: 13:01. Moon - Rise: 01:05, Set: 07:37. Civil Dark: 21:00 - 05:01. Nautical Dark: 21:49 - 04:12. Astro Dark: 22:48 - 03:13

Total Clouds (% Sky Obscured)

90
93
95
100
96
91
87
87
90
92
93
93
93
94
95
96
86
79
71
73
72
68
69
68

Low Clouds (% Sky Obscured)

68
76
84
91
88
83
74
77
83
88
79
71
64
75
84
95
88
79
71
72
62
55
52
47

Medium Clouds (% Sky Obscured)

48
42
37
42
41
35
34
25
16
7
25
43
63
60
52
49
39
31
20
19
20
16
25
34

High Clouds (% Sky Obscured)

53
46
42
37
25
13
1
1
1
1
13
24
36
51
66
79
54
29
5
10
16
22
35
48

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

38
43
46
48
44
40
35
33
31
29
38
45
52
63
77
93
95
95
95
95
74
39
36
28

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.6
0.9
0.9
1.4
2.1
1.2
0.5
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
91
90
90
90
90
88
87
84
83
81
81
80
80
79
79
81
83
85
90
95
93

Pressure (mb)

1000
1000
1000
1000
1001
1001
1002
1002
1003
1004
1004
1005
1005
1006
1006
1007
1007
1008
1009
1009
1010
1011
1012
1012

Ozone (du)

445
447
444
442
439
440
441
443
441
439
438
437
435
434
433
432
432
433
434
435
434
433
432
433

Monday 29

Waning Gibbous 74%

02:04

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 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:37, Set: 20:24, Transit: 13:01. Moon - Rise: 02:04, Set: 08:38. Civil Dark: 21:02 - 04:59. Nautical Dark: 21:51 - 04:10. Astro Dark: 22:52 - 03:10

Total Clouds (% Sky Obscured)

67
76
84
92
94
94
94
94
94
93
92
88
84
71
65
61
65
70
74
72
71
69
53
40

Low Clouds (% Sky Obscured)

44
47
51
55
53
52
58
61
68
71
92
96
97
71
53
38
42
46
51
50
49
48
43
36

Medium Clouds (% Sky Obscured)

45
56
66
78
72
67
65
72
78
86
64
42
22
20
18
19
20
23
21
19
16
10
16
21

High Clouds (% Sky Obscured)

61
67
69
60
52
44
41
40
38
32
23
11
0
0
0
0
0
0
0
0
0
0
1
1

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 (%)

2
17
26
32
30
27
22
26
24
15
34
38
35
36
37
37
40
39
33
26
18
5
4
3

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
90
91
91
93
91
91
91
85
77
72
67
62
58
62
67
73
75
77
80
84
87
91
93

Pressure (mb)

1013
1013
1013
1014
1014
1014
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1018
1018

Ozone (du)

435
436
438
440
442
442
443
443
444
445
446
447
448
449
450
450
451
451
450
449
449
448
448
447

Forecast for Reading, Reading, United Kingdom (51.45,-0.98)

Generated: 23/04/24 08:11:53. Forecast: 23/04/24 to 29/04/24. Timezone: UTC+1.00