Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 18

Waxing Gibbous 80%

15:16

03:23

12 Bad
13 Bad
14 OK
15 OK
16 OK
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 Good
10 OK
11 OK

Sun - Rise: 04:57, Set: 20:45, Transit: 12:52. Moon - Rise: 15:16, Set: 03:23. Civil Dark: 21:27 - 04:15. Nautical Dark: 22:26 - 03:16. Astro Dark: 00:01 - 01:37

Total Clouds (% Sky Obscured)

100
91
28
32
47
50
42
39
57
65
58
55
54
67
90
92
64
65
60
61
48
18
25
21

Low Clouds (% Sky Obscured)

42
6
20
7
34
10
19
65
47
61
57
54
61
63
79
75
71
77
72
71
60
26
40
31

Medium Clouds (% Sky Obscured)

69
36
25
78
23
24
23
55
16
18
22
18
23
23
17
31
18
1
0
0
0
0
0
0

High Clouds (% Sky Obscured)

21
12
4
3
3
3
3
10
3
4
0
7
2
8
2
4
3
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

-
-
-
-
9
9
2
6
5
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

-
-
-
-
0
0
0
0
0
0
0
6
19
13
10
8
2
0
59
59
43
0
0
0

Precipitation Type

None
None
None
None
None
None
None
Light Rain
Light Rain
None
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
1
0
0
81
82
53
60
19
15
11
1
0
0
0
0
0
0
0
3
18

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.5
1
0
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
15
16
17
15
17
19
20
17
15
15
15
16
15
14
12
11
12
12
12
12
14
15
16

Dew Point (°C)

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

Relative Humidity (%)

83
84
81
80
79
81
85
88
92
95
96
95
95
95
98
96
98
98
98
96
92
87
82
78

Pressure (mb)

1013
1013
1013
1012
1012
1012
1012
1011
1012
1013
1013
1013
1013
1013
1013
1013
1012
1012
1013
1013
1014
1014
1014
1014

Ozone (du)

380
380
379
379
381
381
380
380
380
381
381
382
384
385
386
386
385
385
386
387
389
391
394
397

Sunday 19

Waxing Gibbous 87%

16:26

03:33

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

Sun - Rise: 04:56, Set: 20:47, Transit: 12:52. Moon - Rise: 16:26, Set: 03:33. Civil Dark: 21:29 - 04:13. Nautical Dark: 22:28 - 03:14. Astro Dark: 00:07 - 01:29

Total Clouds (% Sky Obscured)

18
9
0
0
0
0
0
0
0
2
2
2
0
15
29
40
46
56
57
78
67
57
46
38

Low Clouds (% Sky Obscured)

25
13
0
0
0
0
0
0
0
1
1
1
0
22
41
56
65
80
80
86
79
68
52
42

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
7
1
4
0
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

8
8
6
6
10
6
4
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)

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

Chance of Frost

Temperature (°C)

17
18
18
19
18
17
16
15
14
13
12
12
12
12
12
11
11
11
11
11
12
12
13
14

Feels Like (°C)

17
18
18
18
17
16
16
15
14
13
12
12
11
11
11
10
10
10
10
10
9
10
11
12

Dew Point (°C)

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

Relative Humidity (%)

76
71
72
71
71
73
78
86
90
95
96
95
92
92
92
91
93
95
95
93
88
87
84
83

Pressure (mb)

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

Ozone (du)

398
398
398
397
396
396
396
398
399
400
400
400
399
397
397
398
398
397
397
398
398
400
401
401

Monday 20

Waxing Gibbous 93%

17:38

03:45

12 OK
13 OK
14 Good
15 Bad
16 OK
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 OK
00 OK
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: 20:48, Transit: 12:52. Moon - Rise: 17:38, Set: 03:45. Civil Dark: 21:31 - 04:12. Nautical Dark: 22:30 - 03:12. Astro Dark: 00:15 - 01:20

Total Clouds (% Sky Obscured)

30
23
9
54
33
4
3
0
0
0
1
21
33
48
86
97
100
100
94
89
96
99
100
100

Low Clouds (% Sky Obscured)

38
27
1
1
2
2
2
0
0
0
0
12
32
47
65
65
71
76
70
68
74
82
76
70

Medium Clouds (% Sky Obscured)

0
0
0
0
11
0
0
0
0
0
0
0
0
2
37
33
14
30
5
25
8
35
15
38

High Clouds (% Sky Obscured)

3
3
4
32
12
1
0
0
0
0
3
18
6
0
60
60
65
70
75
72
76
93
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 (%)

1
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)

13
14
14
13
13
13
13
12
11
9
9
8
7
7
7
7
6
7
7
8
8
8
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
78
78
77
77
79
80
86
89
92
93
95
95
96
96
96
96
98
95
92
89
87
86
86

Pressure (mb)

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

Ozone (du)

402
402
403
404
405
405
403
401
398
399
399
398
399
400
397
397
396
395
394
394
394
393
392
390

Tuesday 21

Waxing Gibbous 97%

18:52

03:59

12 Bad
13 Bad
14 OK
15 OK
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: 04:53, Set: 20:49, Transit: 12:52. Moon - Rise: 18:52, Set: 03:59. Civil Dark: 21:32 - 04:10. Nautical Dark: 22:32 - 03:10. Astro Dark: 00:24 - 01:07

Total Clouds (% Sky Obscured)

69
57
45
31
54
77
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

53
37
21
17
25
25
25
25
20
25
33
40
51
57
63
69
74
78
83
85
87
90
88
85

Medium Clouds (% Sky Obscured)

45
40
44
42
59
72
84
90
95
100
99
98
97
98
99
100
100
100
100
100
100
100
99
88

High Clouds (% Sky Obscured)

56
55
60
64
76
89
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
6
9
8
9
2
0
3
3
2
1
1
5
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
Very 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
Light Rain
Light Rain

Precipitation Probability (%)

0
1
1
3
3
19
38
31
33
44
60
91
95
94
95
95
95
81
73
91
88
71
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0.8
1
0.8
1
1.5
1
0.5
0.4
0.5
0.4
0.2
0.4
0.8

Wind Speed/Direction (mph)

8
8
7
7
8
7
5
5
5
4
4
4
5
7
8
8
9
11
12
13
14
13
13
14

Chance of Frost

Temperature (°C)

17
17
18
18
19
18
17
17
16
15
14
14
13
13
13
14
14
13
13
13
13
13
13
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
83
81
82
82
85
90
95
96
96
98
100
98
98
98
98
98
98
98
96
98
96
96
95

Pressure (mb)

1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1005
1005

Ozone (du)

389
389
389
388
387
386
385
382
381
381
381
382
383
381
381
383
385
384
381
378
377
378
378
378

Wednesday 22

Waxing Gibbous 100%

20:10

04:19

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: 04:52, Set: 20:51, Transit: 12:52. Moon - Rise: 20:10, Set: 04:19. Civil Dark: 21:34 - 04:09. Nautical Dark: 22:34 - 03:08. Astro Dark: 00:37 - N/A

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
63
70
78
100
100
58
54
58
62
71
52
53
52
61
73

Low Clouds (% Sky Obscured)

83
85
87
89
91
93
77
69
70
72
77
77
75
76
74
70
70
70
73
40
48
54
55
55

Medium Clouds (% Sky Obscured)

92
82
77
45
43
56
51
50
51
55
54
54
48
45
44
45
43
41
39
0
0
0
0
0

High Clouds (% Sky Obscured)

100
92
86
76
74
65
56
49
42
8
9
17
50
56
8
8
20
34
43
17
15
11
11
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

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

Precipitation Probability (%)

95
95
95
95
95
95
95
93
83
72
66
70
78
63
51
63
74
73
64
0
0
0
14
20

Precipitation Amount (mm)

1
0.9
0.8
0.9
0.9
0.9
0.9
0.6
0.3
0.2
0.3
0.3
0.4
0.2
0
0
0.4
0.4
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

15
16
16
15
15
15
15
15
14
11
12
12
11
10
10
10
9
9
9
9
11
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
13
13
13
13
13
13
12
13
14
14
14
14
14
13
13
13
13
13
12
13
13
13

Relative Humidity (%)

95
93
92
93
93
92
90
89
87
93
96
98
96
98
98
95
95
96
96
95
90
86
83
81

Pressure (mb)

1005
1005
1005
1005
1005
1005
1005
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006
1007
1007
1007
1012
1012
1013
1013

Ozone (du)

374
374
375
376
375
375
371
368
364
361
362
360
358
358
359
357
357
359
361
364
363
362
361
363

Thursday 23

Full Moon 100%

21:29

04:46

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: 04:51, Set: 20:52, Transit: 12:52. Moon - Rise: 21:29, Set: 04:46. Civil Dark: 21:35 - 04:08. Nautical Dark: 22:37 - 03:06. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

85
77
66
58
70
84
95
85
75
67
73
75
69
72
70
79
83
89
94
95
97
98
98
98

Low Clouds (% Sky Obscured)

54
57
61
62
67
68
69
63
56
47
48
49
56
57
55
57
55
53
44
49
53
58
58
60

Medium Clouds (% Sky Obscured)

0
7
17
26
43
58
73
61
49
38
36
38
39
37
32
35
46
58
69
77
85
92
85
78

High Clouds (% Sky Obscured)

2
9
15
26
43
59
75
60
39
25
30
36
32
44
55
73
71
70
73
75
76
74
61
48

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

23
26
29
26
46
63
78
71
59
54
47
41
39
33
25
4
8
10
3
11
17
19
30
42

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
18
18
17
17
16
16
15
14
13
12
12
12
11
11
11
11
12
12
12
13
14
14
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
78
76
73
71
75
79
85
86
89
92
92
93
93
95
95
96
95
95
95
90
86
84
83

Pressure (mb)

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

Ozone (du)

365
367
371
374
378
382
385
389
388
387
385
382
380
377
376
375
374
374
375
375
375
375
374
376

Friday 24

Waning Gibbous 98%

22:44

05:26

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: 04:50, Set: 20:53, Transit: 12:52. Moon - Rise: 22:44, Set: 05:26. Civil Dark: 21:37 - 04:06. Nautical Dark: 22:39 - 03:04. Astro Dark: N/A - N/A

Total Clouds (% Sky Obscured)

99
96
93
91
86
82
77
65
50
37
49
63
74
78
82
89
76
64
54
69
77
86
78
70

Low Clouds (% Sky Obscured)

63
63
64
64
63
59
54
47
38
28
37
47
56
59
62
59
51
39
29
35
49
65
51
41

Medium Clouds (% Sky Obscured)

71
73
75
77
57
38
21
20
19
14
11
7
7
6
6
7
5
3
0
1
3
4
6
7

High Clouds (% Sky Obscured)

32
41
50
59
48
37
26
20
12
7
7
5
3
7
10
13
9
5
1
1
0
0
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

55
56
59
63
62
62
65
56
44
29
25
22
19
25
27
30
24
17
10
9
6
0
17
22

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
82
82
85
85
87
87
90
93
95
100
100
98
98
98
96
96
96
95
92
90
86
83
79

Pressure (mb)

1018
1018
1018
1018
1017
1017
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020

Ozone (du)

377
379
381
383
385
386
388
389
390
392
393
392
392
391
393
394
395
395
395
395
393
391
390
388

Forecast for Blean, Kent, United Kingdom (51.30,1.05)

Generated: 18/05/24 16:47:05. Forecast: 18/05/24 to 24/05/24. Timezone: UTC+1.00