Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 19

Waxing Gibbous 87%

16:30

03:39

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

Sun - Rise: 05:03, Set: 20:49, Transit: 12:57. Moon - Rise: 16:30, Set: 03:39. Civil Dark: 21:31 - 04:21. Nautical Dark: 22:28 - 03:23. Astro Dark: 23:58 - 01:49

Total Clouds (% Sky Obscured)

21
25
26
19
42
33
21
27
0
3
0
0
5
2
2
2
3
3
3
1
12
40
45
45

Low Clouds (% Sky Obscured)

33
29
35
24
41
20
0
0
0
0
0
0
6
3
1
1
1
1
1
0
18
2
10
20

Medium Clouds (% Sky Obscured)

1
1
0
0
8
17
15
19
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
40

High Clouds (% Sky Obscured)

0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
35
35
45

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
2
4
18
26
13
3
0
0
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)

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

Chance of Frost

Temperature (°C)

20
21
21
21
21
20
19
18
16
15
14
13
12
12
11
10
10
10
11
12
14
16
17
18

Feels Like (°C)

20
20
20
20
21
20
19
18
17
15
13
13
11
11
10
9
8
7
9
10
11
13
15
16

Dew Point (°C)

15
13
12
14
15
15
16
15
15
14
13
12
11
11
10
9
8
7
8
9
10
11
12
13

Relative Humidity (%)

70
63
59
62
68
72
78
85
90
93
93
95
93
93
91
88
87
84
83
79
74
74
72
70

Pressure (mb)

1014
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1014
1014
1013
1013
1013

Ozone (du)

394
393
393
393
392
391
392
392
392
392
392
391
392
392
394
395
396
396
395
395
396
396
397
397

Monday 20

Waxing Gibbous 93%

17:42

03:51

13 Bad
14 OK
15 Bad
16 Bad
17 OK
18 Bad
19 Bad
20 Bad
21 OK
22 Bad
23 Bad
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

Sun - Rise: 05:01, Set: 20:51, Transit: 12:57. Moon - Rise: 17:42, Set: 03:51. Civil Dark: 21:32 - 04:19. Nautical Dark: 22:30 - 03:21. Astro Dark: 00:04 - 01:44

Total Clouds (% Sky Obscured)

50
29
46
43
36
42
61
45
37
66
72
76
88
89
76
65
70
92
73
39
56
45
46
100

Low Clouds (% Sky Obscured)

25
34
36
39
36
45
41
1
0
0
1
1
9
1
21
29
23
25
30
25
46
26
40
87

Medium Clouds (% Sky Obscured)

39
13
3
0
6
15
28
19
27
22
26
46
40
89
65
63
71
85
77
52
50
55
50
52

High Clouds (% Sky Obscured)

13
1
26
16
5
0
18
29
6
65
62
65
70
65
69
65
65
85
79
71
74
75
71
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
2
7
9
5
5
5
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
Light Rain
Light Rain
None
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

0
0
1
3
3
2
0
0
0
0
1
3
7
10
14
38
56
57
39
49
60
66
58
66

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
17
18
18
17
17
16
14
13
12
11
8
8
7
7
7
7
7
7
10
11
13
15
16

Dew Point (°C)

13
13
13
13
14
15
15
13
12
11
11
10
9
8
8
7
6
7
9
11
12
14
16
17

Relative Humidity (%)

69
67
67
68
72
80
83
85
87
92
93
88
87
84
81
78
77
81
88
93
93
93
95
93

Pressure (mb)

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

Ozone (du)

397
398
399
401
402
403
402
402
400
399
398
399
399
398
398
398
399
400
401
402
400
400
400
403

Tuesday 21

Waxing Gibbous 97%

18:56

04:06

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
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 05:00, Set: 20:52, Transit: 12:57. Moon - Rise: 18:56, Set: 04:06. Civil Dark: 21:34 - 04:18. Nautical Dark: 22:32 - 03:19. Astro Dark: 00:10 - 01:37

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
88
81
95
81
77
90
100
100
100
99
77
82
83
77
82
80
81

Low Clouds (% Sky Obscured)

78
62
61
59
63
54
53
53
43
18
23
12
28
40
40
35
34
2
9
18
22
19
16
13

Medium Clouds (% Sky Obscured)

78
75
57
57
50
50
49
45
43
32
39
29
23
20
18
27
46
70
70
70
70
71
70
70

High Clouds (% Sky Obscured)

100
100
100
100
38
43
98
83
47
95
77
35
40
40
45
55
55
55
55
45
40
35
30
30

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

63
51
53
39
33
36
36
30
8
3
3
2
0
0
0
0
0
0
0
0
0
20
17
11

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
6
6
5
4
4
4
5
4
3
4
4
4
4
4
4
4
5
6
8
10
12
12
13

Chance of Frost

Temperature (°C)

18
18
18
18
18
18
18
17
15
14
14
13
12
12
12
12
12
12
13
14
15
16
17
17

Feels Like (°C)

16
15
16
17
17
17
17
15
13
13
12
11
11
12
10
10
10
11
12
13
13
14
14
15

Dew Point (°C)

17
17
17
17
17
17
17
16
15
14
13
13
12
12
11
11
11
11
12
12
13
12
11
12

Relative Humidity (%)

93
95
95
96
95
95
96
96
98
96
96
98
98
96
96
96
95
95
93
89
87
78
71
71

Pressure (mb)

1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1009
1008
1008
1008
1008
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

406
406
406
408
407
404
400
402
406
408
409
411
414
413
413
414
414
412
411
408
403
400
397
391

Wednesday 22

Waxing Gibbous 100%

20:13

04:26

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
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 04:59, Set: 20:53, Transit: 12:57. Moon - Rise: 20:13, Set: 04:26. Civil Dark: 21:36 - 04:17. Nautical Dark: 22:35 - 03:17. Astro Dark: 00:16 - 01:30

Total Clouds (% Sky Obscured)

80
76
70
73
67
67
62
60
65
65
64
69
59
56
62
52
48
48
48
56
62
53
53
48

Low Clouds (% Sky Obscured)

18
25
29
38
44
47
46
44
43
52
60
69
72
71
75
75
75
70
70
65
65
65
70
70

Medium Clouds (% Sky Obscured)

65
66
65
67
60
60
60
60
60
59
58
57
57
51
46
41
37
30
26
21
18
18
20
19

High Clouds (% Sky Obscured)

30
30
30
35
45
40
50
50
50
40
23
20
15
8
16
7
6
6
6
6
8
4
2
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

48
47
35
90
95
95
95
95
95
95
95
95
95
89
88
89
78
73
64
48
34
32
25
11

Precipitation Amount (mm)

0
0
0
0.5
0.8
0.8
0.8
1.2
1.6
1.5
1.6
1.5
0.8
0.4
0.4
0.6
0.3
0.3
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
18
18
17
17
16
15
15
15
14
14
14
13
13
13
13
13
13
13
14
15
15
16
16

Feels Like (°C)

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

Dew Point (°C)

13
13
13
12
13
14
14
14
14
14
14
13
13
12
12
12
12
12
12
12
12
11
11
11

Relative Humidity (%)

73
76
72
72
79
86
89
92
93
96
96
95
95
92
92
93
95
93
92
87
82
75
70
68

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1010
1009
1010
1010
1010
1010
1010
1011
1011
1011

Ozone (du)

386
385
381
379
378
377
374
372
370
370
372
375
380
382
382
383
384
385
386
384
382
380
379
378

Thursday 23

Full Moon 100%

21:31

04:54

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
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 04:58, Set: 20:55, Transit: 12:57. Moon - Rise: 21:31, Set: 04:54. Civil Dark: 21:37 - 04:15. Nautical Dark: 22:37 - 03:15. Astro Dark: 00:24 - 01:21

Total Clouds (% Sky Obscured)

71
100
73
40
100
90
44
77
83
97
98
97
98
98
98
91
83
73
72
67
63
67
63
60

Low Clouds (% Sky Obscured)

70
70
70
75
75
70
65
59
50
53
62
81
78
75
71
74
79
78
78
74
66
63
59
56

Medium Clouds (% Sky Obscured)

23
26
29
32
37
39
33
32
58
51
97
89
76
65
52
38
20
3
6
9
12
23
33
45

High Clouds (% Sky Obscured)

25
52
37
8
61
54
3
34
31
60
20
57
65
75
85
60
33
8
4
3
2
1
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
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
Very Light Rain
None
None
None
None
None
None
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

23
28
26
38
44
51
44
34
33
39
42
44
75
62
46
45
31
12
16
13
6
23
27
20

Precipitation Amount (mm)

0
0
0
0
0
0.3
0
0
0
0
0
0
0.4
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
16
16
16
16
16
16
15
15
14
14
14
14
14
14
13
14
14
14
15
16
16
16
16

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
71
73
71
71
73
81
87
89
89
89
90
90
90
93
93
92
92
92
89
86
82
82
81

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1012
1012
1013
1013
1013
1013
1013
1013
1013
1014
1014
1015
1015
1015
1016
1016
1016

Ozone (du)

379
382
384
387
388
389
389
389
390
391
390
391
393
394
395
396
395
395
395
394
393
393
393
394

Friday 24

Waning Gibbous 98%

22:46

05:35

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
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 04:57, Set: 20:56, Transit: 12:57. Moon - Rise: 22:46, Set: 05:35. Civil Dark: 21:39 - 04:14. Nautical Dark: 22:39 - 03:14. Astro Dark: 00:33 - 01:03

Total Clouds (% Sky Obscured)

62
70
68
67
66
65
66
63
59
53
53
48
41
48
47
62
78
92
84
77
72
79
84
85

Low Clouds (% Sky Obscured)

57
55
57
64
71
69
68
65
53
47
46
40
41
48
50
55
60
60
55
50
45
34
27
19

Medium Clouds (% Sky Obscured)

55
62
73
71
65
55
33
24
19
16
16
17
18
20
19
22
26
29
29
24
22
20
17
18

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
2
5
8
28
50
75
61
52
40
48
55
65

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 (%)

30
32
23
22
19
10
9
6
1
3
3
2
5
6
5
10
10
4
10
10
7
8
6
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
7
7
8
8
7
6
5
5
5
4
4
4
4
5
5
6
6
6
7
7
8
8
9

Chance of Frost

Temperature (°C)

17
17
17
17
16
16
15
14
13
11
11
11
10
10
9
9
10
11
11
13
14
16
16
17

Feels Like (°C)

13
17
16
16
16
16
16
16
16
16
15
14
13
10
10
11
11
10
10
11
12
12
12
13

Dew Point (°C)

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

Relative Humidity (%)

78
77
75
74
74
75
77
79
83
86
88
90
93
93
91
91
90
87
86
80
75
69
71
69

Pressure (mb)

1017
1017
1017
1017
1017
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1018
1018
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

394
394
394
393
393
393
392
390
387
385
382
380
378
376
374
373
371
370
369
367
366
364
364
364

Saturday 25

Waning Gibbous 93%

23:50

06:32

13 Bad
14 OK
15 OK
16 OK
17 OK
18 OK
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: 04:56, Set: 20:57, Transit: 12:57. Moon - Rise: 23:50, Set: 06:32. Civil Dark: 21:40 - 04:13. Nautical Dark: 22:41 - 03:12. Astro Dark: 00:51 - N/A

Total Clouds (% Sky Obscured)

65
48
30
30
35
45
50
56
59
47
35
23
25
36
42
54
69
78

Low Clouds (% Sky Obscured)

13
6
0
0
0
1
6
12
18
28
37
50
58
61
65
71
77
83

Medium Clouds (% Sky Obscured)

30
41
43
43
37
35
45
50
45
41
51
57
62
63
64
56
55
46

High Clouds (% Sky Obscured)

65
70
80
85
90
90
88
85
79
73
68
55
50
50
55
49
51
48

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

1
0
0
1
1
1
23
35
46
53
56
55
50
47
47
48
42
29

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
18
18
18
18
17
17
15
14
13
13
12
12
12
12
11
12
13

Feels Like (°C)

14
16
16
16
16
16
17
14
14
14
13
13
12
11
11
11
11
11

Dew Point (°C)

12
12
12
13
13
14
14
13
13
12
12
12
12
11
11
11
12
12

Relative Humidity (%)

70
70
70
71
74
79
85
87
90
93
95
95
96
96
96
96
96
96

Pressure (mb)

1019
1018
1018
1017
1017
1016
1016
1016
1015
1015
1015
1014
1014
1013
1013
1012
1012
1012

Ozone (du)

363
365
366
367
369
370
371
370
368
367
369
371
373
377
380
383
390
396

Forecast for The City of Brighton and Hove, Brighton and Hove, United Kingdom (50.82,-0.14)

Generated: 19/05/24 12:27:14. Forecast: 19/05/24 to 25/05/24. Timezone: UTC+1.00