Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 28

Waning Gibbous 74%

02:02

07:37

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 OK
20 Good
21 Good
22 Good
23 Good
00 Good
01 OK
02 OK
03 Bad
04 Bad
05 Bad

Sun - Rise: 05:36, Set: 20:22, Transit: 13:00. Moon - Rise: 02:02, Set: 07:37. Civil Dark: 20:59 - 04:59. Nautical Dark: 21:48 - 04:10. Astro Dark: 22:47 - 03:10

Total Clouds (% Sky Obscured)

100
100
100
100
97
100
100
100
100
88
80
54
42
25
13
0
2
5
2
9
20
51
48
100

Low Clouds (% Sky Obscured)

100
94
95
95
97
94
100
100
87
82
34
33
38
23
13
0
2
2
2
5
12
20
18
21

Medium Clouds (% Sky Obscured)

100
100
71
77
89
88
85
53
91
75
76
25
1
0
0
0
0
0
0
0
0
2
42
100

High Clouds (% Sky Obscured)

96
100
60
100
81
80
47
54
0
0
0
0
0
0
0
0
0
2
0
4
11
50
50
96

ISS Passover

Visibility (miles)

0
1
2
6
0
0
0
0
9
9
9
9
8
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
Very Light Rain
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
81
44
39
29
23
9
26
33
35
55
60
24
3
0
2
0
0
0
0
0
0
0

Precipitation Amount (mm)

1.2
0.2
0
0
0
0
0
0
0
0
0
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
10
11
15
16
15
14
13
12
12
11
12
12
10
8
7
6
5
5
6
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
98
96
98
98
96
98
96
93
76
72
70
74
80
85
90
90
90
91
91
93
94
94
93

Pressure (mb)

998
998
999
1000
1002
1004
1005
1007
1008
1008
1008
1009
1010
1010
1011
1012
1013
1013
1014
1014
1014
1014
1014
1014

Ozone (du)

456
454
451
453
452
450
443
438
441
438
437
442
441
439
445
453
458
453
455
450
448
447
446
447

Monday 29

Waning Gibbous 72%

02:46

08:38

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
00 Bad
01 Bad
02 Bad
03 OK
04 Bad
05 OK

Sun - Rise: 05:35, Set: 20:23, Transit: 13:00. Moon - Rise: 02:46, Set: 08:38. Civil Dark: 21:01 - 04:57. Nautical Dark: 21:50 - 04:07. Astro Dark: 22:50 - 03:06

Total Clouds (% Sky Obscured)

81
97
78
100
100
100
100
67
83
61
99
100
96
90
82
62
47
41
43
43
52
36
40
30

Low Clouds (% Sky Obscured)

24
28
41
51
59
49
41
47
43
21
48
21
10
2
2
0
2
12
20
20
16
15
24
17

Medium Clouds (% Sky Obscured)

47
54
59
64
76
74
59
17
51
36
96
100
91
75
51
59
42
31
32
32
32
23
16
6

High Clouds (% Sky Obscured)

68
91
50
100
100
100
100
44
65
62
72
100
47
59
56
27
13
1
6
5
8
4
7
6

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

6
7
10
14
15
16
17
17
18
18
16
15
14
12
11
10
10
9
8
7
8
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
90
84
77
71
67
66
65
64
64
69
74
75
79
81
87
88
90
91
93
93
93
93
95

Pressure (mb)

1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1015
1014
1014
1014
1013
1013
1013
1013

Ozone (du)

447
449
447
443
440
438
437
436
438
436
435
433
431
429
426
425
425
427
429
430
429
428
426
426

Tuesday 30

Waning Gibbous 64%

03:17

09:54

06 OK
07 OK
08 OK
09 Bad
10 Bad
11 OK
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

Sun - Rise: 05:33, Set: 20:25, Transit: 13:00. Moon - Rise: 03:17, Set: 09:54. Civil Dark: 21:03 - 04:55. Nautical Dark: 21:52 - 04:05. Astro Dark: 22:53 - 03:03

Total Clouds (% Sky Obscured)

25
30
32
55
47
29
100
66
32
23
71
100
98
80
50
44
63
60
61
80
90
99
73
47

Low Clouds (% Sky Obscured)

15
24
29
23
15
2
1
2
8
14
53
39
23
31
38
37
36
40
38
44
44
42
28
16

Medium Clouds (% Sky Obscured)

3
0
0
0
40
2
1
0
0
0
20
37
36
7
13
5
37
32
26
27
27
26
22
16

High Clouds (% Sky Obscured)

3
5
2
55
55
59
99
47
19
9
48
100
96
60
3
0
0
0
20
58
77
96
79
69

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
7
6
7
9
9
9
9
9
9
9
6
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
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
2
8
35
44
30
14
12
9
6
2
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)

9
9
11
14
14
15
15
15
15
14
15
14
13
11
9
7
6
5
4
3
3
3
2
2

Chance of Frost

Temperature (°C)

8
9
11
12
13
14
15
16
16
16
16
16
16
15
13
12
12
11
11
10
10
10
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
91
87
80
76
73
69
69
72
73
77
77
82
89
95
96
96
98
98
98
98
96
95
93

Pressure (mb)

1013
1012
1012
1012
1012
1011
1011
1010
1010
1009
1009
1009
1008
1008
1008
1009
1009
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

425
428
431
429
428
429
428
431
433
432
432
430
431
435
433
430
428
426
420
414
411
408
407
407

Wednesday 1

Third Quarter 53%

03:39

11:20

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

Sun - Rise: 05:31, Set: 20:27, Transit: 13:00. Moon - Rise: 03:39, Set: 11:20. Civil Dark: 21:05 - 04:52. Nautical Dark: 21:54 - 04:02. Astro Dark: 22:56 - 02:59

Total Clouds (% Sky Obscured)

26
34
49
65
80
91
100
99
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

1
12
23
41
49
45
34
44
52
51
55
56
65
52
92
92
91
90
86
90
91
91
93
94

Medium Clouds (% Sky Obscured)

9
12
14
20
11
21
2
23
53
97
97
98
100
100
100
100
100
68
72
98
100
100
100
100

High Clouds (% Sky Obscured)

60
65
65
60
73
85
100
64
100
100
100
100
100
64
64
100
90
56
50
75
88
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
5
7
9
7
6
7
9
6
7
8
6
9
9
9
9
1
0

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

Precipitation Probability (%)

0
0
0
0
12
26
31
35
23
29
33
38
43
48
52
77
89
60
54
74
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.5
0.6
0.2
0
0.2
0.4
2.5
5.2
4.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
9
10
12
13
14
15
16
16
17
17
17
16
16
15
14
13
13
13
12
12
12
12
12

Feels Like (°C)

8
8
10
12
12
14
14
15
15
16
16
16
16
15
14
14
13
12
12
12
12
12
12
11

Dew Point (°C)

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

Relative Humidity (%)

91
90
87
83
82
80
79
77
75
73
71
72
78
87
93
95
95
96
96
98
98
98
98
98

Pressure (mb)

1009
1009
1010
1010
1010
1010
1009
1009
1009
1008
1008
1008
1008
1008
1008
1009
1009
1009
1008
1008
1007
1007
1007
1007

Ozone (du)

407
408
408
409
409
410
410
410
407
402
398
396
394
394
393
392
390
387
385
382
380
377
373
369

Thursday 2

Waning Crescent 41%

03:56

12:48

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

Sun - Rise: 05:29, Set: 20:28, Transit: 13:00. Moon - Rise: 03:56, Set: 12:48. Civil Dark: 21:07 - 04:50. Nautical Dark: 21:57 - 04:00. Astro Dark: 23:00 - 02:56

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
74
66
59
67
75
80
84
90
96
96
95

Low Clouds (% Sky Obscured)

95
96
96
97
97
97
97
92
98
98
98
99
99
42
35
28
41
56
69
75
83
90
91
91

Medium Clouds (% Sky Obscured)

100
100
99
99
97
100
100
54
48
70
83
68
67
11
21
30
25
20
10
22
34
45
48
47

High Clouds (% Sky Obscured)

100
100
100
93
83
70
47
66
83
45
31
13
0
2
1
0
0
0
0
9
16
24
31
38

ISS Passover

Visibility (miles)

0
1
1
0
2
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

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

Precipitation Probability (%)

95
95
95
77
60
37
37
38
49
47
45
41
28
6
5
0
1
0
0
0
0
0
1
1

Precipitation Amount (mm)

2.7
1.7
0.4
0.4
0.3
0
0
0
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
100
98
98
96
95
90
84
80
82
82
89
92
93
95
98
95
95
91
93
93
93
93

Pressure (mb)

1007
1007
1006
1007
1007
1007
1007
1007
1007
1007
1008
1008
1008
1008
1007
1007
1008
1008
1008
1008
1008
1008
1008
1008

Ozone (du)

368
369
371
371
370
369
369
369
371
372
374
372
371
371
372
373
374
376
377
378
377
375
373
373

Friday 3

Waning Crescent 29%

04:10

14:16

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

Sun - Rise: 05:27, Set: 20:30, Transit: 12:59. Moon - Rise: 04:10, Set: 14:16. Civil Dark: 21:08 - 04:48. Nautical Dark: 21:59 - 03:57. Astro Dark: 23:03 - 02:52

Total Clouds (% Sky Obscured)

95
97
98
100
100
100
100
95
89
85
85
88
87
85
82
79
86
91
98
98
98
98
99
100

Low Clouds (% Sky Obscured)

92
95
98
100
100
100
100
90
77
66
69
72
77
76
75
74
83
90
98
97
96
96
98
99

Medium Clouds (% Sky Obscured)

42
42
37
41
42
41
40
49
58
66
51
37
19
18
14
11
8
4
0
3
5
7
14
18

High Clouds (% Sky Obscured)

40
32
26
22
24
27
31
52
71
90
61
34
4
5
5
6
25
41
59
66
77
84
80
79

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
6
4
6
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
26
28
23
35
43
50
79
95
95
95
86
58
57
45
15
16
16
14
16
13
4
12
13

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.4
0.8
1.3
0.9
0.5
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
11
12
13
14
15
15
16
16
16
16
16
16
15
14
13
12
12
12
12
12
12
12

Feels Like (°C)

8
7
9
9
10
10
10
10
14
14
15
14
14
14
14
14
14
13
12
12
11
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

93
91
91
93
93
90
89
87
89
92
93
92
92
89
92
93
96
96
96
95
96
96
98
98

Pressure (mb)

1008
1008
1008
1008
1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010

Ozone (du)

372
372
372
373
373
376
378
381
385
388
392
387
383
378
378
377
376
376
375
374
372
371
369
368

Saturday 4

Waning Crescent 19%

04:23

15:44

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
00 Bad

Sun - Rise: 05:26, Set: 20:31, Transit: 12:59. Moon - Rise: 04:23, Set: 15:44. Civil Dark: 21:10 - 04:46. Nautical Dark: 22:01 - 03:55. Astro Dark: 23:07 - 02:48

Total Clouds (% Sky Obscured)

100
100
100
99
99
99
100
98
97
96
92
88
84
87
92
94
95
97
97

Low Clouds (% Sky Obscured)

100
99
99
98
98
98
98
92
87
81
73
67
60
67
72
77
79
82
87

Medium Clouds (% Sky Obscured)

24
18
15
14
27
41
54
64
71
80
68
55
44
38
31
21
22
24
25

High Clouds (% Sky Obscured)

74
70
67
59
61
65
64
49
43
41
35
27
18
14
9
4
2
1
0

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

14
19
21
22
29
30
27
31
31
28
43
47
48
42
34
21
17
15
13

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
12
12
13
14
14
15
16
16
16
16
16
15
15
14
13
12
12
12

Feels Like (°C)

11
11
11
12
12
12
13
13
15
15
14
15
15
15
12
11
11
11
10

Dew Point (°C)

11
11
12
12
12
12
12
12
12
13
13
13
13
13
13
12
11
11
11

Relative Humidity (%)

98
98
95
92
89
84
82
78
78
79
79
83
87
90
92
93
93
95
95

Pressure (mb)

1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1013
1013
1013
1013

Ozone (du)

367
366
366
365
365
365
365
365
365
365
365
366
366
366
368
369
371
371
371

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

Generated: 28/04/24 06:08:56. Forecast: 28/04/24 to 04/05/24. Timezone: UTC+1.00