Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waning Gibbous 57%

02:55

10:59

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

Sun - Rise: 05:45, Set: 20:28, Transit: 13:07. Moon - Rise: 02:55, Set: 10:59. Civil Dark: 21:07 - 05:05. Nautical Dark: 21:58 - 04:14. Astro Dark: 23:00 - 03:10

Total Clouds (% Sky Obscured)

100
100
100
86
98
99
38
38
13
11
7
3
2
1
0
0
8
73
87
20
20
69
100
99

Low Clouds (% Sky Obscured)

13
24
10
13
19
14
22
22
7
5
5
1
1
0
0
0
5
21
6
1
0
1
10
89

Medium Clouds (% Sky Obscured)

100
100
100
35
89
70
20
13
10
8
6
2
2
1
0
0
6
72
87
20
1
1
39
97

High Clouds (% Sky Obscured)

100
100
100
81
92
99
16
21
1
4
1
0
0
0
0
0
0
1
2
0
20
69
100
82

ISS Passover

Visibility (miles)

5
4
4
4
4
6
6
6
7
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

Precipitation Type

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

Precipitation Probability (%)

44
51
40
30
25
29
100
73
4
5
4
2
0
0
0
0
0
0
0
0
0
0
0
9

Precipitation Amount (mm)

0.53
0.86
0.58
0.19
0.08
0.33
1.15
0.75
0.02
0.01
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
73
68
64
62
66
66
65
64
67
70
73
76
76
77
78
78
79
81
80
76
71
68
65

Pressure (mb)

995
996
996
996
996
998
998
999
1000
1000
1001
1002
1002
1003
1004
1004
1004
1004
1005
1005
1005
1005
1005
1005

Ozone (du)

383
383
383
385
386
381
382
384
386
391
393
395
397
397
396
392
390
389
389
390
391
392
392
387

Friday 26

Third Quarter 47%

03:31

12:02

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 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 05:42, Set: 20:30, Transit: 13:07. Moon - Rise: 03:31, Set: 12:02. Civil Dark: 21:09 - 05:03. Nautical Dark: 22:00 - 04:11. Astro Dark: 23:04 - 03:06

Total Clouds (% Sky Obscured)

100
100
100
100
98
98
99
100
100
100
100
98
54
6
26
99
100
99
100
100
92
87
71
100

Low Clouds (% Sky Obscured)

59
73
95
97
88
95
91
36
2
88
100
70
1
2
3
96
100
98
100
100
70
68
34
100

Medium Clouds (% Sky Obscured)

100
100
100
100
97
91
95
99
100
100
99
97
54
4
25
93
98
98
100
17
86
71
66
98

High Clouds (% Sky Obscured)

16
0
9
16
17
83
95
100
28
0
0
0
0
0
0
70
98
52
90
5
30
28
20
6

ISS Passover

Visibility (miles)

7
3
3
3
5
7
10
10
10
10
10
10
7
3
2
2
2
3
3
4
4
4
4
3

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
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

25
52
59
57
42
24
13
8
14
36
51
52
37
20
31
49
66
71
69
68
67
68
65
67

Precipitation Amount (mm)

0.19
0.82
0.86
0.55
0.29
0.13
0.04
0.02
0.03
0.18
0.37
0.49
0.29
0.05
0.13
0.49
1.04
1.09
0.82
0.72
0.68
0.78
0.83
1.02

Wind Speed/Direction (mph)

15
15
13
12
12
12
12
12
12
14
16
17
19
19
18
17
18
16
13
18
15
18
21
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
69
71
72
72
68
63
61
66
73
79
78
74
71
73
78
83
85
86
85
84
82
80
78

Pressure (mb)

1005
1005
1006
1006
1006
1005
1005
1005
1005
1004
1003
1001
1000
998
997
996
995
995
996
998
999
1002
1003
1005

Ozone (du)

380
374
371
370
369
369
370
374
380
389
397
402
406
409
411
412
412
413
413
412
412
411
410
409

Saturday 27

Waning Crescent 37%

03:59

12:02

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: 05:40, Set: 20:31, Transit: 13:07. Moon - Rise: 03:59, Set: 12:02. Civil Dark: 21:11 - 05:01. Nautical Dark: 22:03 - 04:08. Astro Dark: 23:08 - 03:02

Total Clouds (% Sky Obscured)

100
99
88
91
98
100
100
98
100
95
100
95
97
100
100
99
98
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

99
99
81
84
89
96
95
83
90
59
91
81
91
100
100
98
98
99
98
100
100
100
100
100

Medium Clouds (% Sky Obscured)

37
46
66
73
97
100
100
98
100
94
100
93
95
100
98
96
71
55
89
63
69
77
81
30

High Clouds (% Sky Obscured)

2
1
2
12
9
44
59
69
15
28
6
3
0
0
0
0
0
41
76
70
67
33
25
7

ISS Passover

Visibility (miles)

2
1
1
1
1
1
1
1
2
4
5
7
8
9
9
9
9
9
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

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
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

Precipitation Probability (%)

66
66
67
63
56
57
48
37
24
14
9
7
6
6
6
12
17
15
9
6
4
3
3
3

Precipitation Amount (mm)

1.1
0.97
0.96
0.78
0.57
0.72
0.49
0.24
0.12
0.06
0.04
0.04
0.04
0.04
0.05
0.08
0.09
0.06
0.03
0.01
0.01
0.01
0.01
0.03

Wind Speed/Direction (mph)

22
22
22
22
21
20
19
18
17
16
15
14
13
13
12
12
12
11
10
9
9
9
9
9

Chance of Frost

Temperature (°C)

8
8
9
9
9
10
10
10
10
9
9
9
8
8
8
8
8
7
7
8
9
10
10
11

Feels Like (°C)

4
4
4
5
6
6
10
10
10
6
6
5
5
5
5
5
5
4
5
5
6
8
10
11

Dew Point (°C)

4
4
4
4
4
4
4
4
3
3
2
2
2
2
2
3
3
3
3
4
4
5
5
6

Relative Humidity (%)

77
75
73
72
70
68
65
63
63
63
64
65
66
67
68
71
73
75
76
75
73
71
71
69

Pressure (mb)

1006
1007
1009
1010
1011
1012
1013
1014
1015
1016
1017
1017
1018
1018
1019
1019
1020
1020
1020
1021
1021
1021
1022
1022

Ozone (du)

409
409
409
409
408
407
405
404
402
401
399
398
397
395
393
389
385
380
376
371
367
364
362
360

Sunday 28

Waning Crescent 28%

04:22

13:07

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: 05:38, Set: 20:33, Transit: 13:07. Moon - Rise: 04:22, Set: 13:07. Civil Dark: 21:13 - 04:58. Nautical Dark: 22:05 - 04:06. Astro Dark: 23:12 - 02:57

Total Clouds (% Sky Obscured)

100
100
100
95
96
94
94
88
88
88
88
88
88
95
95
95
95
95
95
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
91
88
22
10
12
12
12
12
12
12
7
7
7
7
7
7
25
25
25
25
25

Medium Clouds (% Sky Obscured)

4
1
0
0
4
9
6
4
4
4
4
4
4
90
90
90
90
90
90
100
100
100
100
100

High Clouds (% Sky Obscured)

13
10
13
39
77
92
93
87
87
87
87
87
87
72
72
72
72
72
72
98
98
98
98
98

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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

6
7
9
8
8
9
11
12
11
8
5
4
4
4
5
7
8
8
7
7
7
7
8
9

Precipitation Amount (mm)

0.11
0.15
0.27
0.28
0.27
0.25
0.22
0.19
0.16
0.13
0.11
0.1
0.08
0.07
0.08
0.08
0.09
0.08
0.07
0.06
0.05
0.04
0.04
0.06

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
7
7
7
7
7
7
7
7
6
6
6
6
6
6
6
6
6
6
6
7
7
7

Relative Humidity (%)

69
67
66
65
67
69
73
75
76
78
80
82
84
84
84
84
85
86
86
85
83
81
79
76

Pressure (mb)

1022
1022
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022

Ozone (du)

359
358
358
357
358
361
366
368
365
360
356
355
356
357
357
357
358
359
361
363
364
365
366
366

Monday 29

Waning Crescent 20%

04:42

14:14

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 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 05:36, Set: 20:35, Transit: 13:07. Moon - Rise: 04:42, Set: 14:14. Civil Dark: 21:15 - 04:56. Nautical Dark: 22:08 - 04:03. Astro Dark: 23:16 - 02:53

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
90
90
90
90
90
90
30
30
30
30
30
30
88
88
88
88
88

Low Clouds (% Sky Obscured)

25
73
73
73
73
73
73
84
84
84
84
84
84
16
16
16
16
16
16
32
32
32
32
32

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
41
41
41
41
41
41
16
16
16
16
16
16
84
84
84
84
84

High Clouds (% Sky Obscured)

98
95
95
95
95
95
95
0
0
0
0
0
0
9
9
9
9
9
9
34
34
34
34
34

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

Precipitation Probability (%)

10
11
10
8
7
6
4
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.1
0.14
0.14
0.11
0.08
0.05
0.03
0.02
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
13
14
15
16
16
15
14
14
12
11
10
7
7
6
6
5
5
4
5
6
11
13
14

Dew Point (°C)

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

Relative Humidity (%)

72
67
62
58
56
57
60
63
63
65
67
70
72
74
77
79
82
83
82
81
77
72
66
61

Pressure (mb)

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

Ozone (du)

367
368
369
371
372
372
372
371
369
367
365
363
362
361
360
359
358
357
357
357
357
357
358
359

Tuesday 30

Waning Crescent 13%

05:00

15:22

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 OK
08 OK
09 OK
10 OK
11 OK

Sun - Rise: 05:34, Set: 20:37, Transit: 13:07. Moon - Rise: 05:00, Set: 15:22. Civil Dark: 21:17 - 04:54. Nautical Dark: 22:10 - 04:00. Astro Dark: 23:20 - 02:49

Total Clouds (% Sky Obscured)

88
100
100
100
100
100
100
98
98
98
98
98
98
55
55
55
55
55
55
29
29
29
29
29

Low Clouds (% Sky Obscured)

32
99
99
99
99
99
99
95
95
95
95
95
95
6
6
6
6
6
6
29
29
29
29
29

Medium Clouds (% Sky Obscured)

84
100
100
100
100
100
100
47
47
47
47
47
47
4
4
4
4
4
4
1
1
1
1
1

High Clouds (% Sky Obscured)

34
0
0
0
0
0
0
69
69
69
69
69
69
52
52
52
52
52
52
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
8
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
2
3
4
7
10
12
7
3
2
1
1
0
0
0
0
0
0
0
0
8
10
14

Precipitation Amount (mm)

0
0
0.01
0.03
0.06
0.1
0.14
0.16
0.1
0.05
0.03
0.02
0.01
0
0
0
0
0
0
0
0
0.02
0.05
0.08

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
53
50
49
49
53
58
61
62
62
63
66
68
69
68
67
67
67
67
67
66
66
65
67

Pressure (mb)

1021
1021
1021
1020
1020
1020
1019
1019
1019
1020
1020
1020
1019
1019
1019
1018
1018
1018
1017
1017
1017
1017
1017
1017

Ozone (du)

360
362
363
365
367
367
366
366
366
366
366
366
366
366
367
368
368
368
368
367
367
368
368
368

Wednesday 1

Waning Crescent 7%

05:17

16:31

12 OK
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 OK
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 05:32, Set: 20:39, Transit: 13:06. Moon - Rise: 05:17, Set: 16:31. Civil Dark: 21:19 - 04:51. Nautical Dark: 22:13 - 03:57. Astro Dark: 23:24 - 02:44

Total Clouds (% Sky Obscured)

29
89
89
89
89
89
89
1
1
1
1
1
1
10
10
10
10
10
10
54
54
54
54
54

Low Clouds (% Sky Obscured)

29
89
89
89
89
89
89
1
1
1
1
1
1
4
4
4
4
4
4
34
34
34
34
34

Medium Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
2
2
36
36
36
36
36

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
6
6
6
6
6
6
16
16
16
16
16

ISS Passover

Visibility (miles)

8
7
6
5
5
5
7
8
10
10
10
10
10
9
7
5
4
3
3
2
2
2
2
1

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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

18
24
29
37
37
32
25
21
18
14
11
10
13
17
21
26
33
41
46
47
48
48
45
35

Precipitation Amount (mm)

0.13
0.19
0.23
0.26
0.28
0.28
0.26
0.22
0.15
0.08
0.05
0.04
0.04
0.05
0.07
0.12
0.18
0.27
0.41
0.58
0.77
0.96
1
0.78

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
9
9
9
9
9
9
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
9

Relative Humidity (%)

68
68
67
68
68
69
70
71
71
73
76
79
82
84
86
87
88
88
88
87
87
86
84
82

Pressure (mb)

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

Ozone (du)

367
367
369
371
372
373
372
371
371
370
369
369
369
369
370
371
372
372
373
373
373
373
372
373

Forecast for High Legh, Cheshire East, UK (53.35,-2.45)

Generated: 25/04/19 21:08:31. Forecast: 25/04/19 to 01/05/19. Timezone: UTC+1.00