Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 24

Waxing Gibbous 60%

12:12

03:54

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

Sun - Rise: 05:44, Set: 20:21, Transit: 13:04. Moon - Rise: 12:12, Set: 03:54. Civil Dark: 21:00 - 05:05. Nautical Dark: 21:49 - 04:15. Astro Dark: 22:51 - 03:13

Total Clouds (% Sky Obscured)

99
100
99
100
98
100
100
100
98
97
98
27
96
86
89
87
40
13
8
23
32
100
98
100

Low Clouds (% Sky Obscured)

86
100
87
60
90
100
100
98
98
96
98
23
95
83
54
10
6
13
8
1
11
32
7
55

Medium Clouds (% Sky Obscured)

2
52
87
97
91
36
66
36
3
0
0
0
0
0
0
0
0
0
0
0
6
98
84
100

High Clouds (% Sky Obscured)

98
97
95
94
81
77
0
95
51
20
4
6
21
16
77
86
36
0
0
23
20
77
97
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

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
3
4
5
3
0
3
5
6
4
0
0
0
0
0
0
0
0
7

Precipitation Amount (mm)

0
0
0
0
0
0
0.01
0.01
0.03
0.33
0
0.01
0.03
0.04
0.01
0
0
0
0
0
0
0
0
0.02

Wind Speed/Direction (mph)

16
16
15
15
15
16
16
16
18
18
18
17
17
16
15
20
11
9
18
12
12
12
11
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
6
6
6
6
6
6
8
8
8
8
8
8
6
5
5
5
5
5
5
6
6
6

Relative Humidity (%)

62
59
58
57
57
58
61
65
71
76
81
84
84
82
76
75
78
81
84
86
84
71
70
70

Pressure (mb)

1013
1013
1013
1013
1013
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1013
1012

Ozone (du)

364
361
359
356
354
350
347
344
336
334
332
331
331
330
331
332
333
334
334
334
333
334
333
331

Wednesday 25

Waxing Gibbous 71%

13:28

04:24

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

Sun - Rise: 05:42, Set: 20:23, Transit: 13:03. Moon - Rise: 13:28, Set: 04:24. Civil Dark: 21:02 - 05:03. Nautical Dark: 21:52 - 04:12. Astro Dark: 22:54 - 03:09

Total Clouds (% Sky Obscured)

100
100
100
100
99
100
100
100
100
100
98
87
42
16
88
87
45
76
88
56
75
64
37
33

Low Clouds (% Sky Obscured)

88
91
59
67
95
99
100
100
100
100
33
47
13
12
86
68
34
75
88
52
73
63
32
27

Medium Clouds (% Sky Obscured)

99
100
100
100
94
97
100
100
100
100
97
83
41
4
27
82
29
11
14
14
17
9
9
18

High Clouds (% Sky Obscured)

98
98
100
96
77
87
100
86
88
2
0
0
0
0
0
0
0
0
0
0
0
0
0
3

ISS Passover

Visibility (miles)

10
10
10
7
4
6
7
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
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

21
37
46
52
55
52
46
37
24
10
3
0
3
5
6
7
8
7
5
3
0
0
0
5

Precipitation Amount (mm)

0.12
0.25
0.32
0.37
0.39
0.39
0.35
0.28
0.14
0.04
0.01
0
0.01
0.02
0.03
0.04
0.04
0.03
0.02
0.01
0
0
0
0.03

Wind Speed/Direction (mph)

12
11
10
9
8
6
4
4
5
5
6
5
6
7
8
10
11
10
10
12
12
13
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
74
77
80
82
83
83
84
85
85
85
85
84
84
85
86
86
86
86
84
81
76
72
68

Pressure (mb)

1012
1012
1011
1011
1010
1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1010
1010
1010
1010

Ozone (du)

330
328
328
328
329
330
332
336
342
351
357
359
360
359
359
359
359
360
360
361
363
364
366
367

Thursday 26

Waxing Gibbous 81%

14:46

04:49

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

Sun - Rise: 05:40, Set: 20:24, Transit: 13:03. Moon - Rise: 14:46, Set: 04:49. Civil Dark: 21:04 - 05:01. Nautical Dark: 21:54 - 04:09. Astro Dark: 22:58 - 03:05

Total Clouds (% Sky Obscured)

48
57
88
95
94
63
94
75
60
42
30
27
44
27
1
10
63
70
71
91
70
52
53
37

Low Clouds (% Sky Obscured)

36
23
37
22
49
36
15
10
20
30
17
5
0
1
0
10
63
70
70
91
69
51
48
26

Medium Clouds (% Sky Obscured)

35
48
64
87
83
27
88
59
45
21
20
22
2
0
0
0
4
9
12
6
13
6
23
30

High Clouds (% Sky Obscured)

6
28
77
89
82
46
87
65
36
5
0
7
43
27
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
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
Very Light Rain
Very Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain

Precipitation Probability (%)

9
13
17
22
25
22
17
13
12
18
22
19
12
6
0
0
4
5
6
7
6
5
6
7

Precipitation Amount (mm)

0.09
0.17
0.22
0.27
0.29
0.23
0.15
0.09
0.07
0.17
0.27
0.19
0.06
0.01
0
0
0.01
0.01
0.02
0.03
0.03
0.02
0.02
0.04

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
12
12
11
11
10
7
6
5
3
2
1
0
1
2
3
4
4
3
3
3
3
4
5

Dew Point (°C)

5
5
5
5
5
5
4
4
4
4
4
3
3
3
3
3
3
3
3
3
3
3
3
4

Relative Humidity (%)

65
63
63
65
67
68
69
72
76
82
87
90
90
87
82
76
73
73
75
77
76
75
73
70

Pressure (mb)

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

Ozone (du)

368
370
372
375
377
379
381
383
384
385
385
384
383
383
383
384
387
391
396
400
400
400
399
400

Friday 27

Waxing Gibbous 89%

16:03

05:12

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: 20:26, Transit: 13:03. Moon - Rise: 16:03, Set: 05:12. Civil Dark: 21:06 - 04:58. Nautical Dark: 21:57 - 04:06. Astro Dark: 23:01 - 03:01

Total Clouds (% Sky Obscured)

40
38
49
52
70
81
91
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

24
21
26
27
59
73
60
23
10
6
0
0
0
0
0
0
0
0
0
4
4
4
4
4

Medium Clouds (% Sky Obscured)

31
35
42
39
34
41
23
13
6
6
7
40
85
88
91
91
94
95
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
17
18
23
69
100
100
100
100
100
98
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
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
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 (%)

9
9
8
7
5
5
4
3
3
0
0
0
0
0
0
0
7
9
10
12
14
13
12
13

Precipitation Amount (mm)

0.08
0.11
0.09
0.05
0.04
0.03
0.02
0.02
0.01
0
0
0
0
0
0
0
0.01
0.01
0.02
0.03
0.03
0.04
0.05
0.07

Wind Speed/Direction (mph)

20
21
21
21
20
18
17
15
13
12
11
10
9
9
8
7
6
5
4
4
4
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
6
10
11
11
11
11
7
6
5
4
3
3
3
3
2
2
1
1
2
4
6
8
9

Dew Point (°C)

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

Relative Humidity (%)

67
65
62
60
58
58
59
62
65
68
72
74
76
78
81
85
89
93
95
93
85
77
72
68

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

402
402
400
396
392
388
384
381
377
374
371
369
369
369
370
372
374
377
380
382
383
384
384
384

Saturday 28

Waxing Gibbous 95%

17:19

05:34

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: 05:36, Set: 20:28, Transit: 13:03. Moon - Rise: 17:19, Set: 05:34. Civil Dark: 21:08 - 04:56. Nautical Dark: 21:59 - 04:04. Astro Dark: 23:05 - 02:56

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
99
99
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

4
87
87
87
87
87
87
80
80
80
80
80
80
93
93
93
93
93
93
100
100
100
100
100

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
88
88
88
88
88
88
59
59
59
59
59

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
87
87
87
87
87
87
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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
None

Precipitation Probability (%)

13
14
16
18
19
18
16
14
11
8
6
7
9
10
8
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.11
0.14
0.2
0.26
0.29
0.27
0.22
0.15
0.07
0.02
0.01
0.02
0.03
0.03
0.02
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
11
11
11
11
11
11
11
9
8
6
6
5
4
3
3
2
3
3
4
5
6
7
7

Dew Point (°C)

4
4
4
4
4
4
4
4
4
4
3
3
3
3
3
3
3
3
3
4
4
5
5
5

Relative Humidity (%)

65
63
61
61
60
60
61
63
66
71
75
78
81
83
88
91
94
94
93
90
87
83
80
77

Pressure (mb)

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

Ozone (du)

383
383
386
390
392
391
388
386
384
383
382
382
382
381
380
378
376
373
371
369
368
367
366
364

Sunday 29

Waxing Gibbous 99%

18:34

05:55

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: 05:34, Set: 20:30, Transit: 13:03. Moon - Rise: 18:34, Set: 05:55. Civil Dark: 21:10 - 04:54. Nautical Dark: 22:02 - 04:01. Astro Dark: 23:09 - 02:52

Total Clouds (% Sky Obscured)

100
98
98
98
98
98
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
95
95
95
95
95
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

59
95
95
95
95
95
95
86
86
86
86
86
86
98
98
98
98
98
98
71
71
71
71
71

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
12
12
12
12
12
12
13
13
13
13
13
13
0
0
0
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

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

Precipitation Probability (%)

7
9
11
12
13
13
11
10
14
16
17
17
17
17
16
16
17
18
19
20
24
28
32
35

Precipitation Amount (mm)

0.02
0.04
0.05
0.06
0.05
0.04
0.02
0.01
0.02
0.05
0.1
0.12
0.14
0.14
0.11
0.08
0.06
0.08
0.15
0.3
0.52
0.84
1.19
1.6

Wind Speed/Direction (mph)

8
10
11
13
14
14
13
13
13
13
13
13
13
13
13
14
15
16
16
17
18
18
19
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
10
10
10
7
6
5
5
3
3
2
1
1
1
0
-0
-1
-3
-4
-4
-3
-2
-1

Dew Point (°C)

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

Relative Humidity (%)

73
71
69
67
66
65
65
67
70
74
78
81
84
85
86
89
91
98
100
100
100
100
100
99

Pressure (mb)

1014
1013
1013
1013
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1012
1011
1011
1011
1010
1010
1010
1009
1009
1009

Ozone (du)

362
361
359
357
355
353
352
351
351
351
352
351
351
351
350
350
350
349
348
347
346
346
346
347

Monday 30

Full Moon 100%

19:47

06:18

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: 20:32, Transit: 13:03. Moon - Rise: 19:47, Set: 06:18. Civil Dark: 21:12 - 04:51. Nautical Dark: 22:05 - 03:58. Astro Dark: 23:13 - 02:48

Total Clouds (% Sky Obscured)

100
99
99
99
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
82
82
82
82
82
82
66
66
66
66
66
66
14
14
14
14
14
14
35
35
35
35
35

Medium Clouds (% Sky Obscured)

71
23
23
23
23
23
23
82
82
82
82
82
82
100
100
100
100
100
100
99
99
99
99
99

High Clouds (% Sky Obscured)

0
97
97
97
97
97
97
99
99
99
99
99
99
100
100
100
100
100
100
94
94
94
94
94

ISS Passover

Visibility (miles)

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
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

Precipitation Probability (%)

37
37
37
36
34
33
32
30
28
25
22
19
17
16
16
17
17
17
16
16
15
14
13
12

Precipitation Amount (mm)

2.08
2.3
1.89
1.25
0.86
0.79
0.92
1.06
1.05
0.96
0.83
0.66
0.47
0.34
0.26
0.21
0.16
0.11
0.07
0.05
0.04
0.03
0.03
0.03

Wind Speed/Direction (mph)

22
22
23
23
23
23
22
22
21
19
18
17
16
15
14
14
14
14
14
14
15
16
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-1
-1
-1
-0
-0
0
0
-0
-1
-2
-2
-3
-2
-1
-0
0
1
0
0
0
1
1
2

Dew Point (°C)

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

Relative Humidity (%)

98
98
97
96
94
91
89
88
90
92
96
100
100
100
97
93
91
90
90
91
91
91
89
87

Pressure (mb)

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

Ozone (du)

347
348
348
347
347
347
347
348
350
353
355
357
359
362
364
366
368
370
371
372
373
374
375
376

Forecast for Sheffield, South Yorkshire, UK (53.38,-1.47)

Generated: 24/04/18 09:47:16. Forecast: 24/04/18 to 30/04/18. Timezone: UTC+1.00