Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 20

Waxing Gibbous 92%

16:28

05:13

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

Sun - Rise: 05:52, Set: 20:09, Transit: 13:01. Moon - Rise: 16:28, Set: 05:13. Civil Dark: 20:45 - 05:16. Nautical Dark: 21:30 - 04:30. Astro Dark: 22:23 - 03:37

Total Clouds (% Sky Obscured)

7
13
34
77
74
78
83
77
79
84
44
42
23
29
21
33
53
66
79
77
62
31
14
27

Low Clouds (% Sky Obscured)

22
52
76
75
71
75
81
76
77
82
44
41
19
23
18
35
56
73
80
76
54
18
4
21

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

3
3
10
3
0
0
0
0
0
0
0
0
4
3
0
3
4
1
5
9
9
12
8
7

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
0
0
1
0
10
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
1
1
1
1
1
2
2
2
4
4
5
4
4
3
3
2
1
0
0
0
0
1
1

Relative Humidity (%)

67
62
58
55
54
52
52
55
56
65
70
79
81
82
83
83
80
75
73
72
73
76
79
73

Pressure (mb)

1029
1029
1029
1029
1029
1029
1029
1028
1028
1028
1028
1029
1029
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030

Ozone (du)

372
374
375
375
377
377
376
374
373
373
373
373
372
371
372
374
371
365
366
369
371
371
375
379

Sunday 21

Waxing Gibbous 96%

17:38

05:22

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

Sun - Rise: 05:50, Set: 20:10, Transit: 13:01. Moon - Rise: 17:38, Set: 05:22. Civil Dark: 20:46 - 05:14. Nautical Dark: 21:32 - 04:27. Astro Dark: 22:26 - 03:33

Total Clouds (% Sky Obscured)

32
32
41
67
79
76
84
74
84
49
29
23
9
10
11
26
17
57
51
43
44
35
32
100

Low Clouds (% Sky Obscured)

31
32
37
65
71
64
40
58
70
41
28
24
2
2
2
21
7
36
33
34
41
45
41
36

Medium Clouds (% Sky Obscured)

0
0
3
2
3
6
27
16
11
3
1
3
3
3
3
2
2
37
43
39
12
3
3
37

High Clouds (% Sky Obscured)

7
9
12
4
4
6
6
5
4
3
3
3
4
1
2
3
5
11
8
5
6
5
35
95

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
1
0
1
11
3
13
13
10
2
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
12
12
11
11
12
12
13
12
11
10
8
7
6
5
5
4
4
4
4
4
4
4
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
62
58
55
52
50
51
55
57
64
69
77
84
90
90
91
93
93
93
93
93
94
89
86

Pressure (mb)

1031
1030
1030
1030
1030
1030
1029
1029
1029
1029
1029
1030
1031
1031
1031
1031
1031
1030
1030
1030
1030
1030
1030
1030

Ozone (du)

378
377
380
382
384
388
390
391
397
399
396
398
402
404
407
410
412
414
416
416
418
421
421
423

Monday 22

Waxing Gibbous 99%

18:48

05:33

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:48, Set: 20:12, Transit: 13:01. Moon - Rise: 18:48, Set: 05:33. Civil Dark: 20:48 - 05:11. Nautical Dark: 21:35 - 04:25. Astro Dark: 22:29 - 03:30

Total Clouds (% Sky Obscured)

100
100
100
100
100
98
93
95
93
94
100
100
90
92
100
95
100
91
89
89
93
100
96
92

Low Clouds (% Sky Obscured)

49
43
58
74
77
85
82
81
80
79
83
81
82
90
100
93
100
91
89
67
87
100
95
90

Medium Clouds (% Sky Obscured)

84
90
99
100
98
93
90
92
88
90
100
100
86
82
75
59
0
0
0
0
65
53
36
19

High Clouds (% Sky Obscured)

100
98
79
70
87
58
55
50
45
45
79
44
2
0
0
1
4
4
29
45
24
71
73
66

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
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
2
4
2
16
16
27
29
26
20
20
31
28
37
64
37
28
20
16
16
15
10
11

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
3
5
5
5
5
5
5
4
4
4
4
4
4
4
4
5
4
3
3
2
2
1
1

Dew Point (°C)

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

Relative Humidity (%)

78
69
62
62
64
69
75
85
90
91
91
93
93
94
94
96
96
98
93
88
94
94
88
82

Pressure (mb)

1029
1029
1028
1028
1027
1027
1026
1026
1025
1025
1024
1024
1024
1024
1023
1023
1022
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

419
418
417
415
417
416
416
418
422
424
424
425
427
427
425
423
423
421
414
410
408
407
407
406

Tuesday 23

Waxing Gibbous 100%

20:01

05:45

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 OK
07 OK
08 Bad

Sun - Rise: 05:46, Set: 20:13, Transit: 13:01. Moon - Rise: 20:01, Set: 05:45. Civil Dark: 20:50 - 05:09. Nautical Dark: 21:37 - 04:22. Astro Dark: 22:31 - 03:27

Total Clouds (% Sky Obscured)

89
78
72
64
76
81
96
79
83
79
64
70
65
65
69
85
79
74
69
65
52
38
45
55

Low Clouds (% Sky Obscured)

85
68
71
62
59
55
59
50
53
54
48
51
51
59
62
73
68
68
66
56
37
23
31
42

Medium Clouds (% Sky Obscured)

2
9
8
5
14
22
32
28
25
24
29
34
36
36
35
33
23
12
3
32
52
59
29
23

High Clouds (% Sky Obscured)

79
52
70
13
37
25
19
17
6
2
1
1
0
0
3
0
0
6
36
44
65
65
29
2

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 (%)

13
14
17
6
7
14
8
21
25
21
18
16
10
15
14
13
10
9
0
1
1
2
1
1

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
3
4
5
6
6
6
6
4
4
5
5
4
4
3
2
1
1
1
-1
-1
-2
-1

Dew Point (°C)

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

Relative Humidity (%)

78
70
69
80
80
69
60
67
71
81
81
85
85
88
93
94
88
83
83
82
77
76
77
72

Pressure (mb)

1021
1021
1021
1021
1020
1020
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1018
1018
1018

Ozone (du)

405
403
402
400
398
399
399
400
401
404
403
400
402
405
406
406
406
405
405
407
407
406
408
409

Wednesday 24

Full Moon 99%

21:16

06:00

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:44, Set: 20:15, Transit: 13:01. Moon - Rise: 21:16, Set: 06:00. Civil Dark: 20:52 - 05:07. Nautical Dark: 21:39 - 04:20. Astro Dark: 22:34 - 03:24

Total Clouds (% Sky Obscured)

64
66
67
70
82
91
100
98
97
96
94
91
62
63
61
64
67
70
74
76
76
72
74
77

Low Clouds (% Sky Obscured)

52
57
62
72
76
77
81
75
70
66
58
53
24
25
23
23
20
17
16
17
17
17
28
38

Medium Clouds (% Sky Obscured)

25
17
8
0
15
30
45
43
42
40
38
36
33
34
34
40
40
48
53
56
60
63
62
56

High Clouds (% Sky Obscured)

0
4
1
3
3
3
0
0
0
0
0
0
0
0
0
3
9
15
23
18
9
0
6
15

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
8
9
9
9
9
9
9
9
9
9
9
9
9
8

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 (%)

11
11
17
12
10
18
10
23
32
32
18
3
0
0
0
0
0
0
0
0
0
0
4
6

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

0
2
2
3
4
4
5
4
4
4
4
4
3
5
4
4
3
3
3
3
2
2
2
3

Dew Point (°C)

1
1
0
0
0
1
1
1
2
4
5
5
5
5
4
4
3
3
3
3
3
3
3
4

Relative Humidity (%)

71
63
60
55
53
56
53
56
59
72
78
82
90
91
91
91
91
93
93
94
93
93
93
88

Pressure (mb)

1018
1018
1017
1017
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1013
1013
1012
1012
1012
1011
1011

Ozone (du)

409
411
413
413
413
413
415
416
418
422
424
425
425
423
422
423
426
425
425
425
427
430
433
433

Thursday 25

Waning Gibbous 96%

22:34

06:22

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:42, Set: 20:17, Transit: 13:00. Moon - Rise: 22:34, Set: 06:22. Civil Dark: 20:54 - 05:05. Nautical Dark: 21:41 - 04:17. Astro Dark: 22:37 - 03:20

Total Clouds (% Sky Obscured)

83
91
95
100
99
97
97
95
94
93
94
95
96
96
95
95
93
90
88
92
96
100
99
98

Low Clouds (% Sky Obscured)

48
63
79
95
80
66
52
61
74
87
82
76
70
73
76
79
63
46
29
43
56
70
78
86

Medium Clouds (% Sky Obscured)

50
47
49
51
51
51
61
67
68
65
73
80
89
88
88
88
82
76
69
61
53
44
50
56

High Clouds (% Sky Obscured)

32
36
40
43
31
19
5
6
6
7
7
7
9
15
18
22
21
21
20
27
28
23
14
9

ISS Passover

Visibility (miles)

7
6
4
2
0
0
0
0
1
1
1
4
7
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 (%)

5
25
34
40
39
37
34
32
29
27
29
28
26
29
31
32
28
23
15
14
11
3
18
17

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
77
82
90
96
95
95
93
96
96
96
96
94
93
94
94
96
94
94
96
93
91
90
82

Pressure (mb)

1011
1010
1010
1010
1010
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1007
1006
1006
1006
1006
1006

Ozone (du)

433
434
433
432
431
431
430
430
427
425
423
421
420
419
418
418
417
419
420
421
421
422
422
423

Friday 26

Waning Gibbous 91%

23:52

06:52

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
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 05:40, Set: 20:18, Transit: 13:00. Moon - Rise: 23:52, Set: 06:52. Civil Dark: 20:56 - 05:03. Nautical Dark: 21:43 - 04:15. Astro Dark: 22:40 - 03:17

Total Clouds (% Sky Obscured)

97
94
90
85
87
89
92
93
94
94
96
98
100
90
81
72
78
83
86
74
60
47

Low Clouds (% Sky Obscured)

94
89
84
71
60
57
55
56
56
57
53
48
43
43
43
42
45
48
50
52
53
51

Medium Clouds (% Sky Obscured)

66
72
78
84
82
77
72
78
84
90
93
95
97
83
71
60
70
78
82
65
51
46

High Clouds (% Sky Obscured)

6
6
6
7
11
10
20
26
32
42
35
31
22
15
8
1
14
24
35
35
30
35

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

9
28
40
60
51
53
50
52
53
53
46
39
31
26
19
4
6
7
5
33
47
59

Precipitation Amount (mm)

0
0
0
0.4
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
69
63
58
54
52
51
50
57
66
77
81
85
88
90
90
91
91
93
94
96
94

Pressure (mb)

1006
1006
1006
1006
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1004
1004
1004
1004
1004
1003
1003
1003

Ozone (du)

424
425
425
425
426
425
425
425
426
428
429
430
430
430
431
431
432
432
432
433
434
435

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

Generated: 20/04/24 09:27:10. Forecast: 20/04/24 to 26/04/24. Timezone: UTC+1.00