Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 23

Waxing Gibbous 60%

12:14

03:08

03 Good
04 Good
05 Good
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
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad

Sun - Rise: 05:47, Set: 20:14, Transit: 13:01. Moon - Rise: 12:14, Set: 03:08. Civil Dark: 20:52 - 05:10. Nautical Dark: 21:39 - 04:23. Astro Dark: 22:35 - 03:26

Total Clouds (% Sky Obscured)

2
1
0
16
37
90
91
99
99
98
100
98
98
98
98
98
79
80
96
99
98
99
98
98

Low Clouds (% Sky Obscured)

2
1
0
0
0
0
38
64
70
84
97
68
12
29
32
0
0
0
0
6
0
48
2
66

Medium Clouds (% Sky Obscured)

1
0
0
0
0
0
0
3
41
0
0
0
2
9
2
1
3
2
7
12
84
91
91
67

High Clouds (% Sky Obscured)

0
0
0
16
36
90
88
98
98
95
92
94
97
98
98
98
78
80
96
99
96
98
95
92

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

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
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
4
9
12
11
7
0
6
12
15
13

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.02
0.11
0.18
0.12
0.03
0
0.02
0.08
0.16
0.16

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
88
89
92
91
86
80
76
73
71
70
68
66
65
67
70
74
77
82
88
93
95
94
92

Pressure (mb)

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

Ozone (du)

365
364
363
362
361
362
362
362
361
359
357
355
353
351
349
348
347
345
342
340
337
334
331
330

Tuesday 24

Waxing Gibbous 71%

13:30

03:46

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
02 Bad

Sun - Rise: 05:45, Set: 20:16, Transit: 13:01. Moon - Rise: 13:30, Set: 03:46. Civil Dark: 20:53 - 05:08. Nautical Dark: 21:41 - 04:20. Astro Dark: 22:39 - 03:23

Total Clouds (% Sky Obscured)

100
99
99
93
98
99
96
54
90
100
100
100
100
100
100
100
100
100
100
100
100
100
100
81

Low Clouds (% Sky Obscured)

100
98
95
78
81
91
88
48
22
99
100
100
100
100
100
100
100
95
98
94
62
99
100
80

Medium Clouds (% Sky Obscured)

37
39
77
59
95
82
39
9
12
44
100
96
95
64
89
95
84
96
99
100
99
98
89
43

High Clouds (% Sky Obscured)

96
91
92
63
39
96
62
10
88
84
79
1
0
8
34
1
30
86
24
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
9
9
9
9
8
6
4
9
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
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
None

Precipitation Probability (%)

10
8
8
8
8
9
11
12
11
9
8
6
4
3
5
10
14
18
21
22
16
8
3
0

Precipitation Amount (mm)

0.12
0.1
0.1
0.1
0.11
0.15
0.25
0.32
0.31
0.24
0.17
0.08
0.03
0.02
0.04
0.1
0.17
0.25
0.32
0.33
0.18
0.04
0.01
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
10
10
10
10
11
11
11
12
12
12
12
12
12
12
12
11
10
8
7
6
4
3
3

Dew Point (°C)

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

Relative Humidity (%)

91
91
92
95
96
95
93
91
89
88
86
84
81
78
78
80
83
84
86
89
90
93
95
95

Pressure (mb)

1014
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

329
329
329
329
329
329
328
328
327
326
326
325
325
325
326
327
330
334
339
344
348
351
353
356

Wednesday 25

Waxing Gibbous 81%

14:46

04:18

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

Sun - Rise: 05:43, Set: 20:18, Transit: 13:00. Moon - Rise: 14:46, Set: 04:18. Civil Dark: 20:55 - 05:06. Nautical Dark: 21:44 - 04:17. Astro Dark: 22:42 - 03:19

Total Clouds (% Sky Obscured)

48
32
30
30
20
38
44
23
31
39
52
57
37
66
38
63
79
79
79
79
79
79
1
1

Low Clouds (% Sky Obscured)

48
32
30
28
16
37
42
14
23
27
27
41
20
21
23
38
38
38
38
38
38
38
0
0

Medium Clouds (% Sky Obscured)

1
0
2
6
9
4
6
19
23
33
51
47
32
64
34
56
73
73
73
73
73
73
1
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
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
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
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
3
5
6
7
7
7
7
7
7
9
16
21
22
21
19
17

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.01
0.05
0.11
0.12
0.12
0.11
0.09
0.07
0.05
0.06
0.23
0.43
0.45
0.37
0.27
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
89
88
91
91
86
79
74
72
71
70
70
70
70
70
70
71
74
78
83
86
90
91
93

Pressure (mb)

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

Ozone (du)

358
360
362
365
366
367
367
367
368
368
369
368
367
366
365
364
364
366
369
372
374
375
378
383

Thursday 26

Waxing Gibbous 89%

16:01

04:44

03 OK
04 OK
05 OK
06 Good
07 Good
08 OK
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 OK
02 OK

Sun - Rise: 05:41, Set: 20:19, Transit: 13:00. Moon - Rise: 16:01, Set: 04:44. Civil Dark: 20:57 - 05:03. Nautical Dark: 21:46 - 04:15. Astro Dark: 22:45 - 03:16

Total Clouds (% Sky Obscured)

1
1
1
1
1
1
1
1
1
1
50
50
50
50
50
50
84
84
84
84
84
84
31
31

Low Clouds (% Sky Obscured)

0
0
0
0
1
1
1
1
1
1
27
27
27
27
27
27
38
38
38
38
38
38
6
6

Medium Clouds (% Sky Obscured)

1
1
1
1
0
0
0
0
0
0
40
40
40
40
40
40
34
34
34
34
34
34
16
16

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
73
73
73
73
73
73
17
17

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
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
None
None
None
None

Precipitation Probability (%)

17
16
14
9
6
5
0
0
4
6
6
7
7
7
7
6
6
6
6
6
5
0
0
0

Precipitation Amount (mm)

0.2
0.23
0.13
0.03
0.01
0.01
0
0
0.01
0.04
0.07
0.08
0.08
0.08
0.06
0.04
0.03
0.02
0.02
0.02
0.01
0
0
0

Wind Speed/Direction (mph)

12
13
13
13
13
14
16
17
18
18
18
18
18
18
15
13
12
11
10
10
9
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
97
100
100
98
92
84
79
75
72
70
68
65
64
65
68
71
73
74
75
77
79
82
86

Pressure (mb)

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

Ozone (du)

389
393
392
388
385
385
387
387
387
386
385
385
385
384
384
385
385
384
383
382
382
381
380
379

Friday 27

Waxing Gibbous 95%

17:16

05:08

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

Sun - Rise: 05:39, Set: 20:21, Transit: 13:00. Moon - Rise: 17:16, Set: 05:08. Civil Dark: 20:59 - 05:01. Nautical Dark: 21:48 - 04:12. Astro Dark: 22:48 - 03:12

Total Clouds (% Sky Obscured)

31
31
31
31
0
0
0
0
0
0
44
44
44
44
44
44
83
83
83
83
83
83
99
99

Low Clouds (% Sky Obscured)

6
6
6
6
0
0
0
0
0
0
44
44
44
44
44
44
10
10
10
10
10
10
0
0

Medium Clouds (% Sky Obscured)

16
16
16
16
0
0
0
0
0
0
0
0
0
0
0
0
80
80
80
80
80
80
5
5

High Clouds (% Sky Obscured)

17
17
17
17
0
0
0
0
0
0
0
0
0
0
0
0
13
13
13
13
13
13
99
99

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
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 (%)

0
0
0
0
0
0
0
0
6
7
8
9
8
8
7
6
4
4
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.01
0.05
0.1
0.1
0.09
0.08
0.04
0.02
0.01
0.01
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
97
100
99
95
87
81
76
74
72
71
71
71
71
72
75
76
75
73
71
71
71
72
74

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1015

Ozone (du)

379
378
378
377
376
376
375
375
375
376
377
378
378
378
378
376
375
374
374
375
376
377
378
380

Saturday 28

Waxing Gibbous 99%

18:29

05:31

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
02 Bad

Sun - Rise: 05:37, Set: 20:23, Transit: 13:00. Moon - Rise: 18:29, Set: 05:31. Civil Dark: 21:01 - 04:59. Nautical Dark: 21:51 - 04:09. Astro Dark: 22:52 - 03:08

Total Clouds (% Sky Obscured)

99
99
99
99
54
54
54
54
54
54
100
100
100
100
100
100
99
99
99
99
99
99
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
9
9
9
9
9
9
50
50
50
50
50
50
0
0
0
0
0
0
14
14

Medium Clouds (% Sky Obscured)

5
5
5
5
54
54
54
54
54
54
97
97
97
97
97
97
0
0
0
0
0
0
90
90

High Clouds (% Sky Obscured)

99
99
99
99
0
0
0
0
0
0
98
98
98
98
98
98
99
99
99
99
99
99
100
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
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
8
9
11
15
18
20
21
21
20
20
18
17
16
15
14
14
14
15
14

Precipitation Amount (mm)

0
0
0
0
0
0.01
0.02
0.03
0.07
0.14
0.23
0.35
0.49
0.57
0.52
0.4
0.34
0.37
0.44
0.47
0.41
0.32
0.22
0.11

Wind Speed/Direction (mph)

4
4
5
5
6
7
7
8
8
8
9
9
10
10
10
10
11
11
12
12
12
11
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
82
85
85
83
79
75
72
71
71
70
69
68
68
68
68
70
73
77
81
84
87
88
89

Pressure (mb)

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

Ozone (du)

381
382
382
382
382
382
381
381
382
383
384
384
384
384
384
384
384
383
382
381
381
381
382
381

Sunday 29

Waxing Gibbous 100%

19:41

05:54

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
02 Bad

Sun - Rise: 05:35, Set: 20:24, Transit: 13:00. Moon - Rise: 19:41, Set: 05:54. Civil Dark: 21:03 - 04:57. Nautical Dark: 21:53 - 04:07. Astro Dark: 22:55 - 03:05

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)

14
14
14
14
98
98
98
98
98
98
57
57
57
57
57
57
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

90
90
90
90
100
100
100
100
100
100
100
100
100
100
100
100
77
77
77
77
77
77
53
53

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
96
96
96
96
96
96
100
100
100
100
100
100
52
52

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
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
None
None
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

13
10
0
0
0
0
0
0
0
0
0
11
13
13
13
13
12
11
0
0
0
9
9
9

Precipitation Amount (mm)

0.03
0.01
0
0
0
0
0
0
0
0
0
0.03
0.16
0.28
0.22
0.1
0.03
0.01
0
0
0
0.01
0.02
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
0
-1
-2
-2
-0
2
4
5
6
6
6
6
6
6
6
5
5
4
3
2
2
2
2

Dew Point (°C)

3
3
3
2
2
4
4
5
5
5
6
6
5
5
5
4
3
2
1
1
1
2
3
3

Relative Humidity (%)

89
93
99
100
100
100
92
87
82
80
78
79
78
76
72
69
67
66
66
67
70
76
79
82

Pressure (mb)

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

Ozone (du)

381
381
382
383
385
386
386
387
387
387
389
394
400
404
406
406
406
409
412
414
413
410
408
405

Forecast for Milton Keynes, Milton Keynes, UK (52.04,-0.76)

Generated: 23/04/18 03:00:28. Forecast: 23/04/18 to 29/04/18. Timezone: UTC+1.00