Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 23

Waxing Gibbous 60%

12:13

03:04

02 Good
03 Good
04 Good
05 Good
06 Good
07 OK
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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:46, Set: 20:10, Transit: 12:58. Moon - Rise: 12:13, Set: 03:04. Civil Dark: 20:47 - 05:09. Nautical Dark: 21:34 - 04:22. Astro Dark: 22:29 - 03:27

Total Clouds (% Sky Obscured)

0
0
0
5
0
26
59
75
99
99
98
97
98
98
98
98
98
82
71
94
95
98
98
96

Low Clouds (% Sky Obscured)

0
0
0
1
0
0
20
43
65
58
51
57
56
14
0
0
3
1
0
1
2
0
1
6

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
0
0
1
0
0
16
1
0
0
2
1
2
2
5
40
41

High Clouds (% Sky Obscured)

0
0
0
4
0
26
49
56
97
98
95
94
95
97
98
98
98
82
70
94
95
98
97
95

ISS Passover

Visibility (miles)

10
10
10
10
10
9
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

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
2
3
2
3
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
87
90
92
93
90
82
73
68
64
62
61
59
58
57
56
57
59
62
67
71
74
77
82

Pressure (mb)

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

Ozone (du)

363
363
363
363
363
362
360
358
356
356
356
355
354
352
351
350
349
348
346
343
341
338
336
333

Tuesday 24

Waxing Gibbous 71%

13:28

03:42

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:44, Set: 20:12, Transit: 12:58. Moon - Rise: 13:28, Set: 03:42. Civil Dark: 20:49 - 05:07. Nautical Dark: 21:36 - 04:19. Astro Dark: 22:32 - 03:23

Total Clouds (% Sky Obscured)

98
93
99
100
88
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
7
89
100
32
96
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99

Medium Clouds (% Sky Obscured)

76
53
96
88
81
78
66
66
25
20
9
52
89
84
88
98
99
98
98
80
93
69
99
100

High Clouds (% Sky Obscured)

94
88
94
87
32
6
66
91
80
27
79
29
13
23
79
99
91
20
1
2
9
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
9
9
9
9
9
9
9
9
9
9
9
8
7
8
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
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
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
5
8
10
10
10
9
8
8
7
5
4
4
5
8
10
16
24
28
23
14
7

Precipitation Amount (mm)

0
0
0
0.02
0.07
0.12
0.14
0.15
0.16
0.16
0.15
0.12
0.07
0.03
0.02
0.05
0.12
0.21
0.34
0.5
0.53
0.33
0.1
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
94
98
98
96
93
90
86
84
82
80
78
78
78
76
75
74
75
76
76
78
79
84
87

Pressure (mb)

1015
1015
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015

Ozone (du)

332
331
330
329
328
328
328
328
328
327
326
325
324
324
324
324
324
325
327
329
333
337
343
347

Wednesday 25

Waxing Gibbous 81%

14:44

04:14

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

Sun - Rise: 05:42, Set: 20:14, Transit: 12:58. Moon - Rise: 14:44, Set: 04:14. Civil Dark: 20:51 - 05:04. Nautical Dark: 21:39 - 04:17. Astro Dark: 22:35 - 03:20

Total Clouds (% Sky Obscured)

100
45
57
52
40
28
30
30
41
37
43
45
50
43
28
20
45
46
46
46
46
46
46
17

Low Clouds (% Sky Obscured)

59
33
53
52
40
28
25
26
38
8
21
21
6
27
7
12
16
27
27
27
27
27
27
17

Medium Clouds (% Sky Obscured)

99
36
20
1
1
2
13
14
13
34
37
39
49
38
28
18
42
43
43
43
43
43
43
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
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

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
2
2
0
0
0
2
3
4
5
5
5
5
4
4
0
0
5
9
13

Precipitation Amount (mm)

0
0
0
0
0
0.01
0.01
0
0
0
0.01
0.03
0.05
0.07
0.08
0.07
0.04
0.02
0.01
0
0
0.01
0.06
0.11

Wind Speed/Direction (mph)

7
7
8
6
8
9
9
10
10
11
11
11
12
12
11
11
11
10
10
10
10
9
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
88
88
89
93
90
81
70
64
61
60
60
61
62
62
62
63
65
66
67
68
70
74
78

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1015
1015
1015
1014
1014
1013
1013
1013
1012
1012
1012
1012
1012
1011

Ozone (du)

350
353
355
357
360
362
362
361
361
362
363
364
365
365
364
363
361
361
362
364
366
367
369
371

Thursday 26

Waxing Gibbous 89%

15:59

04:41

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

Sun - Rise: 05:40, Set: 20:16, Transit: 12:58. Moon - Rise: 15:59, Set: 04:41. Civil Dark: 20:53 - 05:02. Nautical Dark: 21:41 - 04:14. Astro Dark: 22:39 - 03:17

Total Clouds (% Sky Obscured)

17
17
17
17
17
1
1
1
1
1
1
52
52
52
52
52
52
38
38
38
38
38
38
60

Low Clouds (% Sky Obscured)

17
17
17
17
17
1
1
1
1
1
1
9
9
9
9
9
9
9
9
9
9
9
9
4

Medium Clouds (% Sky Obscured)

1
1
1
1
1
0
0
0
0
0
0
50
50
50
50
50
50
12
12
12
12
12
12
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
29
29
29
29
29
29
58

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

Precipitation Probability (%)

17
23
25
22
16
9
0
0
0
0
5
5
6
5
5
5
5
5
4
0
0
0
0
5

Precipitation Amount (mm)

0.18
0.48
0.73
0.48
0.13
0.02
0
0
0
0
0.02
0.04
0.05
0.05
0.05
0.04
0.03
0.02
0.01
0
0
0
0
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
6
4
3
2
2
3
6
10
11
11
12
11
11
11
11
11
10
7
7
6
5
5
4

Dew Point (°C)

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

Relative Humidity (%)

83
88
95
98
97
90
81
72
66
63
61
60
60
58
56
56
57
59
61
63
65
67
70
73

Pressure (mb)

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

Ozone (du)

375
379
382
384
383
383
384
384
385
384
382
381
381
382
383
383
382
381
381
379
378
377
376
375

Friday 27

Waxing Gibbous 95%

17:13

05:05

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

Sun - Rise: 05:38, Set: 20:17, Transit: 12:57. Moon - Rise: 17:13, Set: 05:05. Civil Dark: 20:55 - 05:00. Nautical Dark: 21:43 - 04:12. Astro Dark: 22:42 - 03:13

Total Clouds (% Sky Obscured)

60
60
60
60
60
0
0
0
0
0
0
98
98
98
98
98
98
86
86
86
86
86
86
100

Low Clouds (% Sky Obscured)

4
4
4
4
4
0
0
0
0
0
0
85
85
85
85
85
85
1
1
1
1
1
1
3

Medium Clouds (% Sky Obscured)

2
2
2
2
2
0
0
0
0
0
0
98
98
98
98
98
98
68
68
68
68
68
68
75

High Clouds (% Sky Obscured)

58
58
58
58
58
0
0
0
0
0
0
0
0
0
0
0
0
56
56
56
56
56
56
100

ISS Passover

Visibility (miles)

10
10
10
10
10
9
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
4
5
5
5
5
6
6
6
6
5
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.01
0.02
0.03
0.04
0.04
0.04
0.03
0.02
0.01
0.01
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

6
5
4
3
3
4
6
9
11
11
11
11
11
11
11
11
11
11
11
10
9
9
9
8

Feels Like (°C)

3
2
1
1
1
1
4
7
11
11
11
11
11
11
11
11
11
11
11
10
9
8
8
7

Dew Point (°C)

2
2
2
2
2
2
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
3
4
4

Relative Humidity (%)

78
83
88
92
93
88
77
67
61
58
57
57
57
57
56
56
57
59
61
64
66
68
71
73

Pressure (mb)

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

Ozone (du)

375
375
375
374
373
372
371
370
370
370
370
371
372
373
373
373
373
372
372
372
373
374
376
378

Saturday 28

Waxing Gibbous 99%

18:26

05:29

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:36, Set: 20:19, Transit: 12:57. Moon - Rise: 18:26, Set: 05:29. Civil Dark: 20:57 - 04:58. Nautical Dark: 21:45 - 04:09. Astro Dark: 22:45 - 03:10

Total Clouds (% Sky Obscured)

100
100
100
100
100
86
86
86
86
86
86
98
98
98
98
98
98
99
99
99
99
99
99
100

Low Clouds (% Sky Obscured)

3
3
3
3
3
0
0
0
0
0
0
6
6
6
6
6
6
6
6
6
6
6
6
88

Medium Clouds (% Sky Obscured)

75
75
75
75
75
86
86
86
86
86
86
61
61
61
61
61
61
6
6
6
6
6
6
98

High Clouds (% Sky Obscured)

100
100
100
100
100
0
0
0
0
0
0
97
97
97
97
97
97
99
99
99
99
99
99
100

ISS Passover

Visibility (miles)

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
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

Precipitation Probability (%)

0
0
0
0
0
0
10
13
15
16
18
20
21
22
22
22
21
20
19
18
17
16
16
15

Precipitation Amount (mm)

0
0
0
0
0
0
0.01
0.07
0.16
0.22
0.26
0.34
0.5
0.72
0.89
0.92
0.85
0.71
0.52
0.35
0.25
0.16
0.09
0.05

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
6
4
3
2
3
5
8
11
11
11
11
11
11
11
11
10
7
7
6
6
5
5
4

Dew Point (°C)

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

Relative Humidity (%)

75
77
81
83
84
80
74
69
66
65
66
66
66
65
63
63
64
66
69
72
75
77
78
80

Pressure (mb)

1015
1015
1015
1014
1014
1014
1014
1015
1015
1014
1014
1013
1013
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

379
380
382
382
383
383
381
379
378
379
380
381
382
382
383
383
383
383
382
382
381
380
379
379

Sunday 29

Waxing Gibbous 100%

19:38

05:52

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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:34, Set: 20:20, Transit: 12:57. Moon - Rise: 19:38, Set: 05:52. Civil Dark: 20:59 - 04:56. Nautical Dark: 21:48 - 04:07. Astro Dark: 22:48 - 03:06

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

88
88
88
88
88
4
4
4
4
4
4
56
56
56
56
56
56
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

98
98
98
98
98
95
95
95
95
95
95
100
100
100
100
100
100
100
100
100
100
100
100
96

High Clouds (% Sky Obscured)

100
100
100
100
100
99
99
99
99
99
99
99
99
99
99
99
99
100
100
100
100
100
100
75

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

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

Precipitation Probability (%)

14
13
11
10
0
0
0
0
0
0
3
4
10
11
12
12
12
9
0
0
0
0
0
0

Precipitation Amount (mm)

0.03
0.02
0.01
0.01
0
0
0
0
0
0
0.01
0.02
0.04
0.09
0.13
0.09
0.03
0.01
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
2
1
-0
-1
-0
2
5
6
10
11
11
11
11
11
11
11
10
7
6
6
5
5
5

Dew Point (°C)

4
4
3
3
3
3
4
4
4
5
5
5
5
4
3
2
2
1
1
1
1
1
2
2

Relative Humidity (%)

84
87
94
100
100
100
92
80
74
70
69
68
65
61
57
55
54
54
54
56
58
60
64
68

Pressure (mb)

1011
1011
1011
1011
1011
1012
1012
1012
1012
1012
1011
1011
1011
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

379
380
381
381
382
383
382
382
382
382
383
386
392
400
406
407
406
405
407
409
411
410
408
406

Forecast for Enfield, Greater London, UK (51.65,-0.08)

Generated: 23/04/18 02:53:54. Forecast: 23/04/18 to 29/04/18. Timezone: UTC+1.00