Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waning Gibbous 57%

02:55

10:59

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

Sun - Rise: 05:45, Set: 20:30, 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)

26
7
3
2
1
0
0
8
73
87
20
20
69
100
99
100
100
100
100
98
98
99
100
100

Low Clouds (% Sky Obscured)

17
5
1
1
0
0
0
5
21
6
1
0
1
10
89
59
73
95
97
88
95
91
36
2

Medium Clouds (% Sky Obscured)

9
6
2
2
1
0
0
6
72
87
20
1
1
39
97
100
100
100
100
97
91
95
99
100

High Clouds (% Sky Obscured)

8
1
0
0
0
0
0
0
1
2
0
20
69
100
82
16
0
9
16
17
83
95
100
28

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
7
3
3
3
5
7
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

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

Precipitation Probability (%)

5
4
0
0
0
0
0
0
0
0
0
0
0
0
8
25
52
59
57
43
25
13
8
14

Precipitation Amount (mm)

0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0.02
0.18
0.8
0.87
0.57
0.3
0.13
0.04
0.02
0.03

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
69
72
75
76
77
78
78
79
80
80
75
70
67
64
65
68
70
72
71
68
63
61
65

Pressure (mb)

1000
1001
1002
1002
1003
1004
1004
1004
1004
1005
1005
1005
1005
1005
1005
1005
1005
1006
1006
1006
1005
1005
1005
1005

Ozone (du)

391
393
395
397
397
395
392
390
389
389
390
391
392
392
387
380
374
372
370
369
369
370
374
380

Friday 26

Third Quarter 47%

03:31

12:02

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

Sun - Rise: 05:42, Set: 20:31, 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
98
54
6
26
99
100
99
100
100
92
87
71
100
100
99
88
91
98
100
100
98
100

Low Clouds (% Sky Obscured)

88
100
70
1
2
3
96
100
98
100
100
70
68
34
100
99
99
81
84
89
96
95
83
90

Medium Clouds (% Sky Obscured)

100
99
97
54
4
25
93
98
98
100
17
86
71
66
98
37
46
66
73
97
100
100
98
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
70
98
52
90
5
30
28
20
6
2
1
2
12
9
44
59
69
15

ISS Passover

Visibility (miles)

10
10
10
7
4
2
2
2
3
3
4
4
4
4
3
2
1
1
1
1
1
1
1
2

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

Precipitation Probability (%)

35
50
51
38
20
31
49
65
71
69
68
67
68
65
67
66
66
66
63
55
57
49
39
26

Precipitation Amount (mm)

0.17
0.37
0.49
0.33
0.05
0.13
0.49
1.03
1.11
0.85
0.74
0.69
0.77
0.82
1.01
1.1
0.98
0.96
0.78
0.55
0.7
0.5
0.26
0.13

Wind Speed/Direction (mph)

14
16
17
18
18
18
17
18
16
13
17
14
18
21
21
22
22
22
22
21
20
19
18
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
7
6
5
5
5
4
4
4
4
3
4
4
4
4
4
4
5
5
6
6
10
10
10

Dew Point (°C)

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

Relative Humidity (%)

73
78
77
73
71
73
77
82
85
85
84
83
81
79
77
76
74
72
71
69
67
65
63
62

Pressure (mb)

1004
1003
1001
1000
998
997
996
995
995
996
998
999
1002
1003
1005
1006
1007
1009
1010
1011
1012
1013
1014
1015

Ozone (du)

389
397
402
406
409
411
412
412
413
413
412
412
411
410
409
409
409
409
408
408
407
405
404
402

Saturday 27

Waning Crescent 37%

03:59

13:07

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:40, Set: 20:33, Transit: 13:07. Moon - Rise: 03:59, Set: 13:07. Civil Dark: 21:11 - 05:00. Nautical Dark: 22:03 - 04:08. Astro Dark: 23:08 - 03:02

Total Clouds (% Sky Obscured)

95
100
95
97
100
100
99
98
100
100
100
100
100
100
100
100
100
100
95
96
94
94
88
88

Low Clouds (% Sky Obscured)

59
91
81
91
100
100
98
98
99
98
100
100
100
100
100
100
100
100
91
88
22
10
12
12

Medium Clouds (% Sky Obscured)

94
100
93
95
100
98
96
71
55
89
63
69
77
81
30
4
1
0
0
4
9
6
4
4

High Clouds (% Sky Obscured)

28
6
3
0
0
0
0
0
41
76
70
67
33
25
7
13
10
13
39
77
92
93
87
87

ISS Passover

Visibility (miles)

4
5
7
8
9
9
8
8
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
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
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 (%)

15
9
7
7
6
7
13
19
16
9
6
5
3
3
3
6
7
9
8
8
9
11
12
11

Precipitation Amount (mm)

0.07
0.04
0.04
0.04
0.04
0.06
0.08
0.09
0.07
0.03
0.01
0.01
0.01
0.01
0.03
0.11
0.15
0.27
0.28
0.28
0.26
0.22
0.19
0.17

Wind Speed/Direction (mph)

16
15
14
13
13
12
12
12
11
10
9
9
9
9
9
8
7
8
7
5
6
5
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
2
2
2
2
2
3
3
3
3
4
4
5
5
6
6
6
6
7
7
7
7
7
7

Relative Humidity (%)

63
63
64
65
67
68
70
73
75
76
75
73
71
70
68
69
67
65
64
66
69
72
74
75

Pressure (mb)

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

Ozone (du)

401
399
398
397
395
393
389
385
381
376
371
367
364
362
360
359
358
358
357
358
362
366
368
365

Sunday 28

Waning Crescent 28%

04:22

14:14

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 05:38, Set: 20:35, Transit: 13:07. Moon - Rise: 04:22, Set: 14:14. Civil Dark: 21:13 - 04:58. Nautical Dark: 22:05 - 04:06. Astro Dark: 23:12 - 02:57

Total Clouds (% Sky Obscured)

88
88
88
88
95
95
95
95
95
95
100
100
100
100
100
100
100
100
100
100
100
100
90
90

Low Clouds (% Sky Obscured)

12
12
12
12
7
7
7
7
7
7
25
25
25
25
25
25
73
73
73
73
73
73
84
84

Medium Clouds (% Sky Obscured)

4
4
4
4
90
90
90
90
90
90
100
100
100
100
100
100
100
100
100
100
100
100
41
41

High Clouds (% Sky Obscured)

87
87
87
87
72
72
72
72
72
72
98
98
98
98
98
98
95
95
95
95
95
95
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
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

Precipitation Probability (%)

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

Precipitation Amount (mm)

0.14
0.12
0.1
0.08
0.08
0.08
0.09
0.09
0.09
0.08
0.06
0.05
0.04
0.04
0.05
0.09
0.13
0.13
0.11
0.08
0.05
0.03
0.02
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
80
81
83
84
84
84
84
85
85
84
83
81
78
75
71
66
61
57
55
57
60
62
63

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1021
1022

Ozone (du)

360
356
355
356
357
357
357
358
359
361
363
364
365
366
366
367
368
369
371
372
372
371
371
369

Monday 29

Waning Crescent 20%

04:42

15:22

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

Sun - Rise: 05:36, Set: 20:37, Transit: 13:06. Moon - Rise: 04:42, Set: 15:22. Civil Dark: 21:15 - 04:56. Nautical Dark: 22:08 - 04:03. Astro Dark: 23:16 - 02:53

Total Clouds (% Sky Obscured)

90
90
90
90
30
30
30
30
30
30
88
88
88
88
88
88
100
100
100
100
100
100
98
98

Low Clouds (% Sky Obscured)

84
84
84
84
16
16
16
16
16
16
32
32
32
32
32
32
99
99
99
99
99
99
95
95

Medium Clouds (% Sky Obscured)

41
41
41
41
16
16
16
16
16
16
84
84
84
84
84
84
100
100
100
100
100
100
47
47

High Clouds (% Sky Obscured)

0
0
0
0
9
9
9
9
9
9
34
34
34
34
34
34
0
0
0
0
0
0
69
69

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
9
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
Very Light Rain
Very Light Rain
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
2
3
4
7
10
11
7

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.03
0.06
0.09
0.14
0.15
0.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
11
10
10
9
9
8
8
7
7
8
9
11
13
15
16
17
18
18
18
17
16
16
15

Feels Like (°C)

12
11
10
8
7
6
6
5
5
4
5
6
11
13
15
16
17
18
18
18
17
16
16
15

Dew Point (°C)

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

Relative Humidity (%)

64
66
69
72
74
76
79
81
82
82
81
77
71
66
60
56
52
49
48
49
52
57
60
61

Pressure (mb)

1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1021
1021
1020
1020
1020
1019
1019
1019

Ozone (du)

367
365
363
362
361
360
359
358
357
357
357
357
357
358
359
360
361
363
365
366
367
366
366
366

Tuesday 30

Waning Crescent 13%

05:00

16:31

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

Sun - Rise: 05:34, Set: 20:39, Transit: 13:06. Moon - Rise: 05:00, Set: 16:31. Civil Dark: 21:17 - 04:54. Nautical Dark: 22:10 - 04:00. Astro Dark: 23:20 - 02:48

Total Clouds (% Sky Obscured)

98
98
98
98
55
55
55
55
55
55
29
29
29
29
29
29
89
89
89
89
89
89
1
1

Low Clouds (% Sky Obscured)

95
95
95
95
6
6
6
6
6
6
29
29
29
29
29
29
89
89
89
89
89
89
1
1

Medium Clouds (% Sky Obscured)

47
47
47
47
4
4
4
4
4
4
1
1
1
1
1
1
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

69
69
69
69
52
52
52
52
52
52
0
0
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
9
8
7
6
5
5
6
7
8
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
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

Precipitation Probability (%)

3
2
1
1
0
0
0
0
0
0
0
0
7
10
13
17
23
29
36
36
31
25
21
18

Precipitation Amount (mm)

0.05
0.03
0.02
0.01
0
0
0
0
0
0
0
0
0.02
0.05
0.07
0.13
0.19
0.23
0.26
0.28
0.28
0.26
0.22
0.15

Wind Speed/Direction (mph)

10
10
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
9
9
9
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
62
65
67
69
68
67
67
67
67
67
66
65
65
66
67
68
67
67
67
68
69
70
70

Pressure (mb)

1020
1020
1020
1020
1019
1019
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1015
1015
1015
1015
1015

Ozone (du)

366
366
366
366
367
367
368
369
368
368
367
367
368
368
368
367
367
369
371
372
372
372
371
371

Wednesday 1

Waning Crescent 7%

05:17

17:40

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

Sun - Rise: 05:32, Set: 20:40, Transit: 13:06. Moon - Rise: 05:17, Set: 17:40. Civil Dark: 21:19 - 04:51. Nautical Dark: 22:13 - 03:57. Astro Dark: 23:24 - 02:44

Total Clouds (% Sky Obscured)

1
1
1
1
10
10
10
10
10
10
54
54
54
54
54
54
35
35
35
35
35
35
41
41

Low Clouds (% Sky Obscured)

1
1
1
1
4
4
4
4
4
4
34
34
34
34
34
34
33
33
33
33
33
33
35
35

Medium Clouds (% Sky Obscured)

0
0
0
0
2
2
2
2
2
2
36
36
36
36
36
36
17
17
17
17
17
17
21
21

High Clouds (% Sky Obscured)

0
0
0
0
6
6
6
6
6
6
16
16
16
16
16
16
0
0
0
0
0
0
1
1

ISS Passover

Visibility (miles)

10
10
10
10
9
8
5
4
3
2
2
2
2
2
1
1
2
5
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
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
Light Rain

Precipitation Probability (%)

14
10
10
12
16
20
26
34
42
47
48
50
49
46
37
26
17
13
9
11
15
23
31
35

Precipitation Amount (mm)

0.08
0.05
0.04
0.04
0.05
0.07
0.11
0.18
0.28
0.44
0.62
0.83
1.04
1.08
0.85
0.53
0.31
0.16
0.09
0.12
0.19
0.29
0.38
0.41

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
75
78
81
83
85
87
87
87
88
87
86
85
84
82
78
74
68
63
61
62
67
71
73

Pressure (mb)

1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1012
1012
1012
1012
1013

Ozone (du)

370
369
369
369
369
370
371
371
372
373
373
373
372
372
373
373
374
375
376
376
376
376
376
377

Forecast for High Legh, Cheshire East, UK (53.36,-2.44)

Generated: 25/04/19 21:09:39. Forecast: 25/04/19 to 01/05/19. Timezone: UTC+1.00