Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 19

Waxing Gibbous 87%

16:31

03:38

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

Sun - Rise: 05:02, Set: 20:51, Transit: 12:57. Moon - Rise: 16:31, Set: 03:38. Civil Dark: 21:33 - 04:19. Nautical Dark: 22:31 - 03:21. Astro Dark: 00:06 - 01:41

Total Clouds (% Sky Obscured)

94
12
21
33
44
23
61
58
52
44
24
0
0
2
0
0
0
2
2
0
3
7
16
54

Low Clouds (% Sky Obscured)

32
22
28
22
21
20
15
0
0
0
0
0
0
2
0
0
0
2
2
0
0
4
12
13

Medium Clouds (% Sky Obscured)

6
0
0
9
0
14
16
16
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
3
3
52

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
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
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)

6
6
8
8
6
7
7
7
7
6
5
6
7
7
7
8
8
9
9
11
12
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
21
20
21
20
21
19
19
18
17
15
13
13
11
11
10
9
8
8
9
9
11
13
14

Dew Point (°C)

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

Relative Humidity (%)

69
61
58
56
56
54
56
58
83
89
92
95
96
95
93
88
87
87
87
87
83
79
78
74

Pressure (mb)

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

Ozone (du)

393
395
393
392
391
393
393
392
393
392
392
392
393
394
395
394
395
396
397
398
398
397
396
397

Monday 20

Waxing Gibbous 93%

17:42

03:50

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
18 OK
19 Good
20 OK
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

Sun - Rise: 05:00, Set: 20:52, Transit: 12:57. Moon - Rise: 17:42, Set: 03:50. Civil Dark: 21:34 - 04:18. Nautical Dark: 22:33 - 03:18. Astro Dark: 00:13 - 01:34

Total Clouds (% Sky Obscured)

53
51
51
53
43
27
17
5
19
32
51
50
48
53
50
58
57
50
60
100
100
100
100
100

Low Clouds (% Sky Obscured)

12
17
23
29
37
33
21
1
1
1
1
1
1
1
3
5
20
20
20
46
52
90
93
94

Medium Clouds (% Sky Obscured)

0
34
35
32
7
0
0
2
11
11
7
6
11
9
60
62
57
50
48
6
4
10
53
49

High Clouds (% Sky Obscured)

48
18
0
2
8
2
0
0
0
18
55
60
55
65
65
70
65
65
77
100
100
100
100
100

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
6
9
18
21
4
0
0
0
0
1
3
5
7
18
18
5
3
7
9
18
18

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
16
18
17
17
17
17
16
14
13
11
9
8
7
7
7
7
6
6
8
9
11
13
14

Dew Point (°C)

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

Relative Humidity (%)

73
70
67
64
67
71
78
83
86
93
95
96
90
90
91
87
87
88
88
88
88
89
86
86

Pressure (mb)

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

Ozone (du)

400
401
403
404
405
405
404
401
400
401
401
402
403
402
400
401
401
402
403
406
406
406
405
403

Tuesday 21

Waxing Gibbous 97%

18:57

04:05

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
09 Bad
10 Bad
11 Bad

Sun - Rise: 04:59, Set: 20:54, Transit: 12:57. Moon - Rise: 18:57, Set: 04:05. Civil Dark: 21:36 - 04:17. Nautical Dark: 22:35 - 03:17. Astro Dark: 00:20 - 01:25

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
97
95
92
87
91
98
98
95
100
100
100
83
85

Low Clouds (% Sky Obscured)

94
88
78
86
80
66
51
51
52
53
41
30
30
28
30
19
34
43
37
55
59
57
39
43

Medium Clouds (% Sky Obscured)

54
62
99
90
99
100
100
100
97
93
76
55
52
46
38
37
32
50
60
65
60
65
65
70

High Clouds (% Sky Obscured)

98
80
26
67
28
99
90
100
100
100
100
82
69
77
30
47
40
40
40
40
45
45
50
55

ISS Passover

Visibility (miles)

9
9
9
9
9
6
3
2
3
4
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
3
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

12
15
34
64
87
95
92
78
58
48
22
10
12
2
1
0
0
0
0
0
0
0
0
19

Precipitation Amount (mm)

0
0
0
0
0.4
0.8
1.2
0.9
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
88
86
86
90
96
96
98
98
98
96
96
98
98
95
96
95
95
93
92
90
83
72

Pressure (mb)

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

Ozone (du)

403
405
409
409
410
406
403
399
398
398
399
401
404
407
408
411
412
413
412
412
412
408
403
400

Wednesday 22

Waxing Gibbous 100%

20:14

04:25

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
09 Bad
10 Bad
11 Bad

Sun - Rise: 04:58, Set: 20:55, Transit: 12:57. Moon - Rise: 20:14, Set: 04:25. Civil Dark: 21:38 - 04:15. Nautical Dark: 22:38 - 03:15. Astro Dark: 00:29 - 01:12

Total Clouds (% Sky Obscured)

84
83
81
87
79
83
86
82
82
78
78
73
64
55
54
58
58
80
87
87
74
82
84
81

Low Clouds (% Sky Obscured)

29
28
33
42
30
29
29
32
34
34
37
40
41
48
51
57
59
64
70
65
65
60
64
72

Medium Clouds (% Sky Obscured)

75
75
75
75
75
75
71
72
67
67
71
66
64
64
65
65
59
59
60
58
43
41
43
47

High Clouds (% Sky Obscured)

55
55
50
45
40
35
25
25
20
20
30
30
33
47
51
55
51
74
79
81
63
75
71
53

ISS Passover

Visibility (miles)

9
9
9
9
6
6
6
9
6
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
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
Very Light Rain
None
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

15
49
59
55
77
87
84
80
83
84
77
77
74
65
64
56
63
54
32
36
41
31
43
58

Precipitation Amount (mm)

0
0
0
0
0.4
0.6
0.5
0.4
0.5
0.5
0.5
0.4
0.3
0.3
0.3
0
0.3
0
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
70
70
70
73
79
85
87
92
93
95
95
95
95
95
95
95
93
93
92
87
83
76
73

Pressure (mb)

1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012

Ozone (du)

396
394
390
381
374
370
364
360
361
361
363
365
366
369
376
380
381
380
379
376
374
373
374
373

Thursday 23

Full Moon 100%

21:33

04:52

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
09 Bad
10 Bad
11 Bad

Sun - Rise: 04:57, Set: 20:56, Transit: 12:57. Moon - Rise: 21:33, Set: 04:52. Civil Dark: 21:39 - 04:14. Nautical Dark: 22:40 - 03:13. Astro Dark: 00:42 - N/A

Total Clouds (% Sky Obscured)

83
91
97
98
98
96
95
92
55
86
83
60
66
70
73
81
100
99
99
95
97
99
97
94

Low Clouds (% Sky Obscured)

69
72
80
46
52
51
52
50
50
82
79
66
67
67
64
73
95
95
94
91
93
96
92
88

Medium Clouds (% Sky Obscured)

50
50
90
54
49
46
50
45
42
37
39
41
39
34
34
39
49
53
53
12
24
39
38
37

High Clouds (% Sky Obscured)

46
46
50
91
94
93
92
76
20
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

4
4
5
5
4
4
3
4
6
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

69
84
91
95
95
95
95
92
70
46
46
34
13
25
23
16
27
35
40
17
13
6
22
30

Precipitation Amount (mm)

0.4
0.6
0.7
1
0.9
0.9
1
0.9
0.5
0
0.2
0
0
0
0
0
0
0
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
69
72
75
76
76
78
83
86
90
92
95
96
96
98
98
98
96
96
98
95
93
90
86

Pressure (mb)

1012
1012
1012
1012
1012
1012
1012
1013
1013
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1017

Ozone (du)

371
369
369
370
370
371
372
373
376
377
377
377
379
381
382
382
381
381
383
382
383
385
386
387

Friday 24

Waning Gibbous 98%

22:48

05:33

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 OK
09 Bad
10 Bad
11 Bad

Sun - Rise: 04:56, Set: 20:57, Transit: 12:57. Moon - Rise: 22:48, Set: 05:33. Civil Dark: 21:41 - 04:13. Nautical Dark: 22:42 - 03:11. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

91
93
95
97
96
95
96
93
92
81
78
69
61
57
59
62
50
39
28
29
35
56
72
81

Low Clouds (% Sky Obscured)

83
85
88
92
88
85
79
75
63
54
46
48
49
49
50
55
50
50
50
44
44
48
37
31

Medium Clouds (% Sky Obscured)

39
43
55
69
75
67
54
43
32
26
25
25
29
27
26
21
27
34
41
40
30
27
32
33

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
1
3
12
21
32
25
16
7
8
9
10
36
58

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 (%)

35
36
32
27
25
23
17
16
11
2
5
6
3
4
3
2
4
5
3
9
11
10
12
9

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
78
78
78
78
79
80
80
86
90
96
95
95
93
93
93
93
93
93
93
87
83
79
77

Pressure (mb)

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

Ozone (du)

387
388
389
390
391
390
388
387
385
382
380
379
378
378
375
373
370
369
368
366
365
364
363
363

Saturday 25

Waning Gibbous 93%

23:52

06:30

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
09 Bad
10 Bad
11 Bad

Sun - Rise: 04:55, Set: 20:59, Transit: 12:57. Moon - Rise: 23:52, Set: 06:30. Civil Dark: 21:42 - 04:11. Nautical Dark: 22:44 - 03:09. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

95
89
82
81
84
89
91
86
67
42
17
7
1
1
0
0
18
37
63
66
64
57
53
50

Low Clouds (% Sky Obscured)

26
21
19
17
19
24
29
38
48
58
59
54
55
55
50
49
53
53
54
46
33
20
23
26

Medium Clouds (% Sky Obscured)

39
41
42
43
52
57
60
65
70
70
70
70
65
60
50
50
34
24
16
15
11
5
11
13

High Clouds (% Sky Obscured)

83
84
85
86
90
90
95
95
95
90
71
61
51
45
45
45
47
47
54
41
22
3
2
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
7
5
3
1
4
7
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
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

2
3
2
1
12
15
13
21
23
24
36
46
56
63
71
81
67
53
40
32
24
21
17
15

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.4
0.6
0.3
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
11
10
10
9
8
7
5
4
3
3
4
5
6
6
6
7
7
7
8
9
11
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
15
16
16
15
16
16
16
14
14
15
14
14
14
11
11
11
11
11
11
13
13
14
14

Dew Point (°C)

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

Relative Humidity (%)

76
74
74
74
74
79
83
87
89
90
92
92
95
96
96
98
98
96
96
95
90
83
78
74

Pressure (mb)

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

Ozone (du)

362
361
363
364
365
368
370
373
375
376
378
381
383
386
389
393
396
401
406
411
414
418
421
423

Forecast for Southgate, West Sussex, United Kingdom (51.11,-0.19)

Generated: 19/05/24 20:33:40. Forecast: 19/05/24 to 25/05/24. Timezone: UTC+1.00