Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waning Gibbous 57%

02:31

10:54

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

Sun - Rise: 05:36, Set: 20:08, Transit: 12:53. Moon - Rise: 02:31, Set: 10:54. Civil Dark: 20:45 - 04:59. Nautical Dark: 21:32 - 04:12. Astro Dark: 22:27 - 03:15

Total Clouds (% Sky Obscured)

51
32
96
28
13
93
57
5
14
20
16
5
0
1
0
1
1
1
1
69
90
80
48
23

Low Clouds (% Sky Obscured)

41
23
13
8
0
2
3
3
1
1
1
2
0
1
0
1
1
1
0
2
20
38
31
17

Medium Clouds (% Sky Obscured)

30
21
13
9
6
1
52
1
1
4
12
2
0
0
0
0
0
0
0
0
37
65
41
13

High Clouds (% Sky Obscured)

2
3
95
22
9
92
31
1
13
18
12
2
0
0
0
0
0
0
1
68
86
63
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

58
43
47
39
26
25
13
9
0
0
0
0
0
0
0
0
0
0
0
0
0
5
17
17

Precipitation Amount (mm)

0.35
0.24
0.44
0.54
0.39
0.25
0.03
0.04
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.33
0.42

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
14
14
15
15
14
13
13
12
11
10
7
7
6
6
6
6
6
7
11
12
13
14

Dew Point (°C)

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

Relative Humidity (%)

80
77
75
69
65
65
67
72
62
67
72
80
85
88
90
93
94
94
92
88
82
75
72
69

Pressure (mb)

1000
1001
1001
1002
1002
1003
1003
1004
1004
1005
1005
1006
1007
1007
1007
1008
1008
1008
1009
1009
1010
1010
1011
1011

Ozone (du)

396
396
398
400
408
399
397
405
392
394
396
398
399
400
401
401
401
401
400
400
400
399
398
396

Friday 26

Third Quarter 47%

03:07

11:55

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

Sun - Rise: 05:34, Set: 20:09, Transit: 12:53. Moon - Rise: 03:07, Set: 11:55. Civil Dark: 20:47 - 04:57. Nautical Dark: 21:34 - 04:09. Astro Dark: 22:30 - 03:12

Total Clouds (% Sky Obscured)

47
81
100
98
98
92
88
87
70
94
92
93
100
100
100
98
68
4
2
77
91
70
92
81

Low Clouds (% Sky Obscured)

29
16
21
12
23
7
50
9
1
0
2
0
50
100
100
51
9
1
2
6
91
66
91
69

Medium Clouds (% Sky Obscured)

28
31
34
93
98
90
76
25
2
72
88
93
100
100
75
98
66
4
0
76
4
20
57
66

High Clouds (% Sky Obscured)

5
73
100
96
35
20
15
83
70
91
84
54
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

Precipitation Probability (%)

10
8
3
0
0
0
0
0
0
0
0
2
13
28
35
38
26
15
8
4
6
7
11
17

Precipitation Amount (mm)

0.16
0.15
0.02
0
0
0
0
0
0
0
0
0.01
0.06
0.19
0.15
0.28
0.18
0.05
0.01
0.01
0.02
0.02
0.08
0.25

Wind Speed/Direction (mph)

14
15
16
16
17
17
17
17
18
18
19
21
23
24
25
24
23
23
25
27
28
29
29
27

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
16
16
16
16
15
14
13
12
11
10
10
6
5
5
4
4
3
3
4
5
10
11

Dew Point (°C)

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

Relative Humidity (%)

66
63
60
58
57
59
63
67
69
69
70
75
82
86
86
82
79
81
79
75
70
66
63
59

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1011
1011
1010
1009
1008
1008
1007
1007
1006
1006
1006
1006
1005

Ozone (du)

394
391
387
384
381
378
376
374
371
368
367
366
365
368
375
385
393
397
399
400
399
397
396
397

Saturday 27

Waning Crescent 37%

03:37

11:55

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: 05:32, Set: 20:11, Transit: 12:53. Moon - Rise: 03:37, Set: 11:55. Civil Dark: 20:48 - 04:55. Nautical Dark: 21:36 - 04:07. Astro Dark: 22:33 - 03:08

Total Clouds (% Sky Obscured)

87
81
82
82
72
91
99
82
72
88
88
95
93
98
98
98
100
100
98
100
98
63
81
81

Low Clouds (% Sky Obscured)

82
68
53
50
25
24
22
12
1
0
0
1
0
8
12
35
86
100
98
100
98
63
81
54

Medium Clouds (% Sky Obscured)

48
76
80
81
72
88
96
80
71
88
78
93
89
98
98
96
100
100
66
21
7
9
21
78

High Clouds (% Sky Obscured)

0
0
0
0
0
14
97
7
2
27
67
63
82
91
87
88
9
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
9
6
6
6
7
10
10
10
10
10
10
10
10
10
10
7
4
6
9
10
10

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

Precipitation Probability (%)

12
17
14
21
22
21
22
19
12
6
0
0
0
0
0
0
0
7
8
12
13
12
11
10

Precipitation Amount (mm)

0.13
0.21
0.13
0.25
0.34
0.29
0.33
0.28
0.14
0.04
0
0
0
0
0
0
0
0.01
0.03
0.06
0.07
0.07
0.06
0.05

Wind Speed/Direction (mph)

28
28
21
22
27
27
26
26
25
24
24
23
22
22
20
20
20
20
19
20
19
19
18
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
13
13
12
12
12
11
10
5
4
4
4
3
3
3
3
2
3
3
4
6
10
11

Dew Point (°C)

3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
4
4
4

Relative Humidity (%)

56
54
52
53
54
56
57
60
62
65
67
69
70
71
72
72
74
75
76
75
71
67
65
63

Pressure (mb)

1006
1007
1008
1009
1010
1011
1012
1013
1013
1014
1015
1015
1016
1016
1017
1018
1018
1019
1019
1020
1020
1020
1021
1021

Ozone (du)

398
399
402
405
406
406
405
403
402
401
400
400
400
399
399
399
399
397
396
394
392
390
388
388

Sunday 28

Waning Crescent 28%

04:02

12:59

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 OK
23 OK
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: 05:30, Set: 20:13, Transit: 12:52. Moon - Rise: 04:02, Set: 12:59. Civil Dark: 20:50 - 04:53. Nautical Dark: 21:38 - 04:04. Astro Dark: 22:37 - 03:05

Total Clouds (% Sky Obscured)

78
81
96
98
64
70
50
38
38
38
38
38
38
45
45
45
45
45
45
80
80
80
80
80

Low Clouds (% Sky Obscured)

74
65
94
95
36
58
29
33
33
33
33
33
33
45
45
45
45
45
45
79
79
79
79
79

Medium Clouds (% Sky Obscured)

40
77
95
97
61
59
41
28
28
28
28
28
28
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
3
3
3
3

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

9
9
21
34
37
35
29
23
15
9
6
7
9
11
10
8
5
4
4
3
2
1
2
2

Precipitation Amount (mm)

0.03
0.03
0.11
0.22
0.3
0.31
0.27
0.2
0.11
0.04
0.03
0.04
0.05
0.05
0.04
0.03
0.02
0.02
0.02
0.01
0.01
0.01
0.01
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
13
13
14
14
14
13
12
11
11
7
6
6
6
5
5
5
5
6
7
10
11
12
13

Dew Point (°C)

5
5
6
6
6
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7
7

Relative Humidity (%)

62
60
59
59
59
61
64
69
73
78
82
86
89
92
93
94
94
92
90
86
82
77
73
70

Pressure (mb)

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

Ozone (du)

388
388
388
388
388
387
385
382
379
374
371
369
368
368
367
366
365
364
363
361
361
360
360
361

Monday 29

Waning Crescent 20%

04:24

14:05

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

Sun - Rise: 05:28, Set: 20:14, Transit: 12:52. Moon - Rise: 04:24, Set: 14:05. Civil Dark: 20:52 - 04:51. Nautical Dark: 21:41 - 04:02. Astro Dark: 22:40 - 03:02

Total Clouds (% Sky Obscured)

80
37
37
37
37
37
37
2
2
2
2
2
2
27
27
27
27
27
27
13
13
13
13
13

Low Clouds (% Sky Obscured)

79
19
19
19
19
19
19
2
2
2
2
2
2
0
0
0
0
0
0
8
8
8
8
8

Medium Clouds (% Sky Obscured)

0
31
31
31
31
31
31
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
0
0
0
0
0
27
27
27
27
27
27
5
5
5
5
5

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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 (%)

2
2
2
4
4
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.02
0.02
0.02
0.02
0.02
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
14
14
15
14
14
13
12
11
11
7
7
7
6
6
6
6
7
7
11
12
13
15
15

Dew Point (°C)

7
7
7
7
7
7
6
6
6
6
7
7
7
7
7
7
7
7
7
8
8
8
8
8

Relative Humidity (%)

68
65
63
61
61
62
65
68
72
75
80
83
85
87
89
91
90
90
88
83
75
69
64
61

Pressure (mb)

1022
1022
1022
1021
1021
1021
1022
1022
1022
1022
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

361
362
363
365
367
369
371
373
375
376
378
379
381
382
382
381
380
379
379
378
377
376
375
375

Tuesday 30

Waning Crescent 13%

04:44

15:10

12 Good
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: 05:27, Set: 20:16, Transit: 12:52. Moon - Rise: 04:44, Set: 15:10. Civil Dark: 20:54 - 04:49. Nautical Dark: 21:43 - 03:59. Astro Dark: 22:43 - 02:58

Total Clouds (% Sky Obscured)

13
98
98
98
98
98
98
92
92
92
92
92
92
100
100
100
100
100
100
98
98
98
98
98

Low Clouds (% Sky Obscured)

8
67
67
67
67
67
67
15
15
15
15
15
15
0
0
0
0
0
0
18
18
18
18
18

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
9
9
9
9
9
9
100
100
100
100
100
100
95
95
95
95
95

High Clouds (% Sky Obscured)

5
96
96
96
96
96
96
91
91
91
91
91
91
99
99
99
99
99
99
90
90
90
90
90

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
7
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
0.01
0.03
0.08

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
8
8
8
8
7
7
7
7
7
7
7
7
7
7
7
8
8
8
8
8
8
8

Relative Humidity (%)

58
56
55
56
57
59
61
64
67
70
73
76
79
82
85
87
88
87
85
81
77
73
71
71

Pressure (mb)

1022
1022
1022
1021
1021
1021
1020
1020
1020
1020
1020
1020
1019
1019
1019
1018
1017
1017
1017
1017
1016
1016
1016
1016

Ozone (du)

374
373
373
372
371
370
370
369
367
364
362
361
360
359
359
359
359
358
357
356
356
356
355
354

Wednesday 1

Waning Crescent 7%

05:02

16:17

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 Good
08 Good
09 Good
10 Good
11 Good

Sun - Rise: 05:25, Set: 20:18, Transit: 12:52. Moon - Rise: 05:02, Set: 16:17. Civil Dark: 20:56 - 04:46. Nautical Dark: 21:45 - 03:57. Astro Dark: 22:46 - 02:54

Total Clouds (% Sky Obscured)

98
100
100
100
100
100
100
99
99
99
99
99
99
98
98
98
98
98
98
10
10
10
10
10

Low Clouds (% Sky Obscured)

18
100
100
100
100
100
100
95
95
95
95
95
95
48
48
48
48
48
48
2
2
2
2
2

Medium Clouds (% Sky Obscured)

95
100
100
100
100
100
100
95
95
95
95
95
95
95
95
95
95
95
95
10
10
10
10
10

High Clouds (% Sky Obscured)

90
5
5
5
5
5
5
88
88
88
88
88
88
88
88
88
88
88
88
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

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

Precipitation Probability (%)

16
20
14
7
4
3
3
3
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3

Precipitation Amount (mm)

0.17
0.24
0.2
0.11
0.06
0.04
0.04
0.03
0.02
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01

Wind Speed/Direction (mph)

10
10
10
10
10
9
8
6
2
5
11
12
12
11
12
11
11
10
9
8
8
8
8
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
72
71
68
65
63
64
66
70
74
77
79
82
84
87
88
88
87
85
81
74
68
64
63

Pressure (mb)

1016
1016
1015
1015
1015
1014
1014
1014
1014
1014
1015
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1014
1014
1014

Ozone (du)

352
351
351
350
350
350
351
351
351
351
351
352
352
353
354
356
357
358
359
360
360
361
361
363

Forecast for Herne Bay CT6 7NH, UK (51.35,1.12)

Generated: 25/04/19 20:48:20. Forecast: 25/04/19 to 01/05/19. Timezone: UTC+1.00