Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 18

Waxing Gibbous 92%

13:45

05:01

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
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 08:00, Set: 16:26, Transit: 12:13. Moon - Rise: 13:45, Set: 05:01. Civil Dark: 17:04 - 07:22. Nautical Dark: 17:46 - 06:40. Astro Dark: 18:26 - 06:00

Total Clouds (% Sky Obscured)

100
100
98
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
99
99
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
6
5
33
71
77
57
49
67
100

Medium Clouds (% Sky Obscured)

38
45
81
94
100
100
100
100
100
98
98
100
100
100
100
100
100
100
99
99
100
100
100
98

High Clouds (% Sky Obscured)

100
100
98
100
100
100
100
100
99
98
98
98
98
97
93
71
88
8
2
17
52
69
3
9

ISS Passover

Visibility (miles)

8
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
6
2
0
0
0
0
0
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

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
21
33
43
54
57
57
52
52

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.03
0.13
0.33
0.67
1.13
1.4
1.16
0.73
0.46

Wind Speed/Direction (mph)

7
3
4
4
4
5
6
8
9
11
12
12
13
13
14
13
13
12
13
14
14
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
78
77
77
78
78
77
75
74
74
76
78
77
73
71
69
69
71
73
78
81
82
83
85

Pressure (mb)

1019
1019
1019
1018
1018
1018
1017
1017
1017
1017
1016
1016
1015
1014
1013
1013
1013
1013
1012
1012
1012
1012
1011
1011

Ozone (du)

339
340
342
344
347
350
351
352
353
355
356
357
359
360
361
361
360
360
361
362
363
364
365
365

Saturday 19

Waxing Gibbous 98%

14:37

06:13

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
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:59, Set: 16:27, Transit: 12:13. Moon - Rise: 14:37, Set: 06:13. Civil Dark: 17:06 - 07:21. Nautical Dark: 17:48 - 06:39. Astro Dark: 18:28 - 05:59

Total Clouds (% Sky Obscured)

99
100
99
97
92
95
100
100
100
100
100
100
100
100
100
100
100
98
88
89
92
95
95
99

Low Clouds (% Sky Obscured)

98
100
98
84
54
82
99
100
100
100
100
100
100
100
100
100
100
98
85
88
88
91
95
99

Medium Clouds (% Sky Obscured)

98
70
97
92
92
81
96
76
59
34
34
98
84
60
59
36
62
76
74
68
74
91
70
70

High Clouds (% Sky Obscured)

11
11
16
6
5
59
89
91
89
83
74
59
33
23
20
1
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

3
7
9
8
5
4
6
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

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
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
None
None

Precipitation Probability (%)

44
43
42
39
33
30
21
17
15
13
11
0
13
14
14
13
11
8
6
0
0
0
0
0

Precipitation Amount (mm)

0.42
0.51
0.55
0.4
0.21
0.1
0.07
0.05
0.04
0.02
0.01
0
0.01
0.01
0.02
0.02
0.02
0.01
0.01
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-3
-3
-4
-4
-4
-4
-3
-3
-3
-2
-2
-1
-0
1
2
1
0
-1
-1
-2
-2
-3
-3
-4

Dew Point (°C)

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

Relative Humidity (%)

87
90
92
94
93
93
92
92
94
94
95
94
93
89
86
85
86
86
85
84
84
85
86
87

Pressure (mb)

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

Ozone (du)

365
364
363
363
363
364
364
365
365
366
366
366
366
366
365
364
364
363
363
363
363
363
361
360

Sunday 20

Waxing Gibbous 100%

15:42

07:18

01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 OK
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 Good

Sun - Rise: 07:58, Set: 16:29, Transit: 12:14. Moon - Rise: 15:42, Set: 07:18. Civil Dark: 17:07 - 07:20. Nautical Dark: 17:49 - 06:38. Astro Dark: 18:29 - 05:58

Total Clouds (% Sky Obscured)

99
100
99
98
93
95
98
70
14
8
2
2
70
86
59
61
66
53
53
53
53
53
53
8

Low Clouds (% Sky Obscured)

99
100
99
98
92
93
98
68
6
3
2
2
70
86
59
61
66
44
44
44
44
44
44
8

Medium Clouds (% Sky Obscured)

65
47
23
27
38
90
97
42
13
6
1
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
16
16
16
16
16
16
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
None
None

Precipitation Probability (%)

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 Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-1
-2
-2
-2
-2
-2
-2
-2
-1
-0
1
3
4
4
4
3
2
1
0
-0
-1
-2
-2
-3

Feels Like (°C)

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

Dew Point (°C)

-3
-4
-4
-4
-4
-4
-4
-4
-3
-2
-1
1
1
1
1
1
-1
-2
-2
-3
-3
-4
-4
-4

Relative Humidity (%)

88
89
89
90
88
87
86
88
88
88
87
85
84
83
82
83
84
84
84
84
84
85
88
90

Pressure (mb)

1011
1012
1012
1013
1013
1014
1015
1015
1016
1017
1017
1018
1018
1018
1019
1019
1020
1021
1022
1023
1023
1024
1024
1025

Ozone (du)

360
359
358
358
358
357
357
356
355
355
354
354
353
351
350
351
352
352
349
346
343
344
346
347

Monday 21

Full Moon 99%

16:59

08:12

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

Sun - Rise: 07:57, Set: 16:31, Transit: 12:14. Moon - Rise: 16:59, Set: 08:12. Civil Dark: 17:09 - 07:19. Nautical Dark: 17:51 - 06:37. Astro Dark: 18:31 - 05:57

Total Clouds (% Sky Obscured)

8
8
8
8
8
11
11
11
11
11
11
56
56
56
56
56
56
98
98
98
98
98
98
100

Low Clouds (% Sky Obscured)

8
8
8
8
8
8
8
8
8
8
8
56
56
56
56
56
56
61
61
61
61
61
61
79

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
73
73
73
73
73
73
95

High Clouds (% Sky Obscured)

0
0
0
0
0
3
3
3
3
3
3
0
0
0
0
0
0
81
81
81
81
81
81
99

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
5
2
1
1
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

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
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
1
2
3
3
0
0
0
0
0
0
0
0
0
0
0
9
18
27
44
61
62

Precipitation Amount (mm)

0
0
0
0.01
0.01
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0.01
0.05
0.14
0.3
0.55
0.72

Wind Speed/Direction (mph)

3
3
3
4
5
5
5
5
5
6
5
7
7
6
6
4
7
7
9
11
12
13
14
15

Chance of Frost

Temperature (°C)

-3
-3
-2
-2
-1
0
0
0
1
2
2
3
4
4
4
4
3
2
2
2
2
3
3
4

Feels Like (°C)

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

Dew Point (°C)

-4
-4
-4
-3
-2
-2
-1
-1
-0
1
2
2
3
2
2
1
0
-1
-1
-1
-1
-1
0
1

Relative Humidity (%)

91
91
90
89
88
88
90
93
94
94
94
95
93
90
88
86
84
84
83
82
81
80
80
81

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1026
1026
1025
1025
1024
1023
1022
1021
1021
1020
1019
1017
1016
1014
1012
1011
1010

Ozone (du)

348
348
348
346
344
343
343
343
344
345
346
346
347
347
348
349
351
353
356
360
366
373
382
393

Tuesday 22

Waning Gibbous 99%

18:22

08:55

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
21 Bad
22 Bad
23 Bad
00 Good

Sun - Rise: 07:56, Set: 16:32, Transit: 12:14. Moon - Rise: 18:22, Set: 08:55. Civil Dark: 17:10 - 07:18. Nautical Dark: 17:52 - 06:36. Astro Dark: 18:32 - 05:56

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
85
85
85
85
85
85
70
70
70
70
70
70
1

Low Clouds (% Sky Obscured)

79
79
79
79
79
100
100
100
100
100
100
67
67
67
67
67
67
51
51
51
51
51
51
1

Medium Clouds (% Sky Obscured)

95
95
95
95
95
100
100
100
100
100
100
26
26
26
26
26
26
40
40
40
40
40
40
0

High Clouds (% Sky Obscured)

99
99
99
99
99
100
100
100
100
100
100
75
75
75
75
75
75
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

1
1
2
5
10
10
10
10
10
10
8
5
4
4
3
4
4
6
9
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Snow
None
Snow
Snow
Snow
Snow
Snow
None

Precipitation Probability (%)

46
32
19
18
24
27
22
22
18
13
15
18
20
20
18
13
7
5
10
12
16
13
9
0

Precipitation Amount (mm)

0.64
0.43
0.27
0.22
0.39
0.57
0.45
0.23
0.1
0.04
0.03
0.06
0.06
0.06
0.05
0.03
0.02
0.01
0.09
0.42
0.67
0.4
0.07
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

3
2
1
0
-0
-0
0
1
1
2
3
4
4
4
4
3
2
1
1
1
1
1
1
1

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
85
90
93
95
95
95
95
95
91
87
85
85
86
86
85
84
82
82
82
85
85
86
86

Pressure (mb)

1009
1008
1007
1007
1006
1005
1005
1004
1004
1004
1003
1003
1002
1002
1002
1001
1001
1002
1002
1002
1001
1001
1001
1001

Ozone (du)

405
418
430
439
447
452
453
450
449
448
447
448
450
454
458
461
463
464
461
455
451
450
451
452

Wednesday 23

Waning Gibbous 95%

19:47

09:29

01 Good
02 Good
03 Good
04 Good
05 Good
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

Sun - Rise: 07:55, Set: 16:34, Transit: 12:14. Moon - Rise: 19:47, Set: 09:29. Civil Dark: 17:12 - 07:17. Nautical Dark: 17:53 - 06:35. Astro Dark: 18:33 - 05:55

Total Clouds (% Sky Obscured)

1
1
1
1
1
76
76
76
76
76
76
56
56
56
56
56
56
59
59
59
59
59
59
95

Low Clouds (% Sky Obscured)

1
1
1
1
1
76
76
76
76
76
76
56
56
56
56
56
56
59
59
59
59
59
59
24

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
95

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
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

0
0
-0
0
-0
-0
-1
-1
-1
-0
2
3
4
4
4
3
1
0
-0
-1
-1
-1
-1
-0

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
89
89
88
88
89
90
92
91
88
83
78
76
74
75
75
76
76
76
76
77
79
82
84

Pressure (mb)

1001
1001
1001
1001
1001
1001
1001
1002
1002
1003
1003
1003
1003
1004
1004
1004
1005
1005
1006
1006
1007
1007
1007
1008

Ozone (du)

453
455
454
451
446
441
437
433
431
430
430
430
429
428
427
427
426
426
425
423
423
425
429
432

Thursday 24

Waning Gibbous 88%

21:10

09:56

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
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:53, Set: 16:36, Transit: 12:15. Moon - Rise: 21:10, Set: 09:56. Civil Dark: 17:14 - 07:16. Nautical Dark: 17:55 - 06:34. Astro Dark: 18:35 - 05:54

Total Clouds (% Sky Obscured)

95
95
95
95
95
98
98
98
98
98
98
48
48
48
48
48
48
99
99
99
99
99
99
100

Low Clouds (% Sky Obscured)

24
24
24
24
24
62
62
62
62
62
62
48
48
48
48
48
48
5
5
5
5
5
5
100

Medium Clouds (% Sky Obscured)

95
95
95
95
95
97
97
97
97
97
97
0
0
0
0
0
0
99
99
99
99
99
99
100

High Clouds (% Sky Obscured)

0
0
0
0
0
76
76
76
76
76
76
0
0
0
0
0
0
27
27
27
27
27
27
77

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
Snow
Snow
Snow
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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

3
6
9
14
21
24
17
8
6
8
10
11
11
11
9
7
5
4
4
4
5
5
6
6

Precipitation Amount (mm)

0.02
0.05
0.08
0.13
0.19
0.2
0.12
0.03
0.01
0.01
0.04
0.06
0.06
0.05
0.04
0.02
0.01
0.01
0.01
0.02
0.03
0.03
0.03
0.03

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

0
1
1
2
3
3
3
3
4
5
6
7
7
7
7
6
6
6
6
6
6
6
6
5

Feels Like (°C)

-4
-4
-3
-2
-2
-1
-1
-1
-1
0
2
3
4
4
3
3
4
2
3
3
3
3
3
2

Dew Point (°C)

-2
-1
-0
0
1
1
2
2
2
3
3
4
4
4
4
4
4
3
3
4
4
3
3
3

Relative Humidity (%)

85
87
88
87
88
88
90
91
90
88
83
81
80
81
83
84
85
86
85
84
84
85
85
86

Pressure (mb)

1008
1008
1009
1009
1009
1010
1010
1011
1012
1012
1013
1013
1014
1014
1014
1015
1015
1016
1017
1017
1018
1018
1018
1019

Ozone (du)

434
436
436
431
424
418
416
416
416
415
414
413
411
410
409
411
414
418
420
423
425
426
426
427

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

Generated: 18/01/19 01:12:32. Forecast: 18/01/19 to 24/01/19. Timezone: UTC+0.00