Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 18

Waxing Gibbous 92%

13:51

05:03

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: 08:03, Set: 16:32, Transit: 12:17. Moon - Rise: 13:51, Set: 05:03. Civil Dark: 17:10 - 07:25. Nautical Dark: 17:51 - 06:43. Astro Dark: 18:31 - 06:03

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
100
100
99
100
100
99
98
97
98
96
98
100
98
98
99
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
32
36
22
0
21
52
94
93
95
93
95
98
99
100

Medium Clouds (% Sky Obscured)

91
100
100
100
100
100
99
98
99
100
99
100
100
98
98
95
98
77
88
100
89
30
44
79

High Clouds (% Sky Obscured)

100
100
100
100
100
99
98
98
96
91
93
90
86
77
92
59
12
9
18
13
9
9
6
4

ISS Passover

Visibility (miles)

8
10
10
10
10
10
10
10
10
10
8
5
3
2
2
1
1
1
1
2
4
7
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
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
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
7
11
17
18
20
22
33
46
59
61
58
55
52
48
45

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.01
0.05
0.1
0.13
0.17
0.25
0.39
0.62
0.77
0.71
0.57
0.46
0.35
0.24
0.17

Wind Speed/Direction (mph)

1
3
5
6
8
9
11
11
12
13
14
15
16
17
18
18
17
16
16
17
17
17
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
80
76
73
71
71
72
73
73
72
68
66
63
62
63
66
72
76
78
80
82
83
85
87

Pressure (mb)

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

Ozone (du)

340
342
344
346
348
350
351
352
354
355
356
357
357
357
357
357
358
358
359
361
361
361
360
359

Saturday 19

Waxing Gibbous 98%

14:43

06:15

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: 08:01, Set: 16:33, Transit: 12:17. Moon - Rise: 14:43, Set: 06:15. Civil Dark: 17:11 - 07:24. Nautical Dark: 17:53 - 06:42. Astro Dark: 18:32 - 06:02

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

100
100
100
99
98
98
86
90
98
98
97
100
56
76
80
100
100
100
100
100
100
99
99
93

Medium Clouds (% Sky Obscured)

90
97
96
81
56
89
94
84
95
99
100
99
96
99
100
100
100
99
97
65
96
100
100
100

High Clouds (% Sky Obscured)

2
27
80
83
88
86
82
81
84
86
93
96
91
98
97
88
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
7
4
3
3
4
4
5
6
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
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

Precipitation Probability (%)

45
47
48
47
44
43
42
40
38
31
25
21
24
27
27
23
18
13
9
8
8
7
0
0

Precipitation Amount (mm)

0.16
0.17
0.19
0.18
0.16
0.14
0.14
0.15
0.15
0.12
0.09
0.07
0.09
0.14
0.17
0.13
0.08
0.04
0.02
0.01
0.01
0.01
0
0

Wind Speed/Direction (mph)

17
17
16
15
14
13
13
13
13
13
13
12
12
11
11
10
10
9
9
9
9
8
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
88
89
89
89
90
91
93
92
91
92
92
91
89
89
89
89
88
87
87
87
88
89

Pressure (mb)

1009
1008
1008
1007
1007
1007
1006
1007
1007
1007
1007
1007
1006
1006
1006
1006
1007
1007
1008
1008
1009
1009
1009
1010

Ozone (du)

359
360
360
361
362
363
364
365
365
365
365
365
365
364
364
363
363
362
360
359
357
356
355
354

Sunday 20

Waxing Gibbous 100%

15:49

07:20

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: 16:35, Transit: 12:18. Moon - Rise: 15:49, Set: 07:20. Civil Dark: 17:13 - 07:23. Nautical Dark: 17:54 - 06:41. Astro Dark: 18:34 - 06:02

Total Clouds (% Sky Obscured)

99
100
98
99
100
100
100
100
100
96
81
86
96
100
97
74
84
80
80
80
80
80
80
95

Low Clouds (% Sky Obscured)

96
100
98
99
100
100
100
100
100
96
80
86
96
100
97
74
80
77
77
77
77
77
77
94

Medium Clouds (% Sky Obscured)

98
93
85
88
88
70
63
28
78
82
41
7
0
0
0
0
0
1
1
1
1
1
1
56

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
18
13
13
13
13
13
13
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
4
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
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
90
89
89
88
88
89
91
91
89
88
86
84
82
81
82
84
84
85
84
84
85
87
88

Pressure (mb)

1010
1011
1011
1012
1013
1013
1014
1015
1016
1017
1017
1018
1018
1018
1019
1019
1020
1021
1022
1023
1024
1024
1025
1025

Ozone (du)

354
354
354
354
353
353
352
351
350
348
346
344
344
344
345
345
345
345
344
343
342
343
344
345

Monday 21

Full Moon 100%

17:05

08:14

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: 16:37, Transit: 12:18. Moon - Rise: 17:05, Set: 08:14. Civil Dark: 17:14 - 07:22. Nautical Dark: 17:56 - 06:40. Astro Dark: 18:35 - 06:01

Total Clouds (% Sky Obscured)

95
95
95
95
95
80
80
80
80
80
80
98
98
98
98
98
98
98
98
98
98
98
98
100

Low Clouds (% Sky Obscured)

94
94
94
94
94
74
74
74
74
74
74
98
98
98
98
98
98
60
60
60
60
60
60
100

Medium Clouds (% Sky Obscured)

56
56
56
56
56
0
0
0
0
0
0
0
0
0
0
0
0
17
17
17
17
17
17
100

High Clouds (% Sky Obscured)

0
0
0
0
0
30
30
30
30
30
30
41
41
41
41
41
41
96
96
96
96
96
96
100

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
6
3
1
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
0

Precipitation Type

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
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
17
40
54
58

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.02
0.07
0.25
0.63
0.89

Wind Speed/Direction (mph)

7
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6
7
8
10
11
12
13
14

Chance of Frost

Temperature (°C)

1
1
1
1
2
2
2
1
0
1
3
3
5
6
6
5
3
2
2
2
2
2
2
2

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
91
91
91
90
90
90
91
91
88
86
86
79
76
75
75
77
78
78
78
78
81
83
85

Pressure (mb)

1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1025
1024
1023
1022
1021
1020
1019
1018
1016
1015
1013
1012
1010

Ozone (du)

345
344
343
341
340
339
338
338
338
340
343
344
344
343
343
345
348
352
355
358
364
372
383
395

Tuesday 22

Waning Gibbous 99%

18:28

08:57

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 OK
19 OK
20 OK
21 OK
22 OK
23 OK
00 Good

Sun - Rise: 07:58, Set: 16:38, Transit: 12:18. Moon - Rise: 18:28, Set: 08:57. Civil Dark: 17:16 - 07:21. Nautical Dark: 17:57 - 06:40. Astro Dark: 18:37 - 06:00

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
62
62
62
62
62
62
24
24
24
24
24
24
0

Low Clouds (% Sky Obscured)

100
100
100
100
100
90
90
90
90
90
90
62
62
62
62
62
62
24
24
24
24
24
24
0

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

5
10
10
10
9
5
4
4
4
4
5
5
6
7
8
8
8
9
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
Very Light Rain
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Snow
None
None
None
None
None

Precipitation Probability (%)

49
31
18
20
28
32
32
24
16
17
15
13
13
15
17
14
12
10
7
0
0
0
0
0

Precipitation Amount (mm)

0.69
0.33
0.13
0.2
0.58
0.87
0.54
0.15
0.06
0.05
0.03
0.02
0.02
0.04
0.06
0.05
0.04
0.03
0.02
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
84
82
82
82
82
83
84
84
83
81
81
80
81
81
82
83
83
82
82
82
82
83
84

Pressure (mb)

1010
1009
1008
1008
1007
1006
1006
1005
1005
1005
1004
1004
1004
1003
1003
1003
1003
1003
1003
1003
1003
1003
1002
1002

Ozone (du)

410
426
438
443
445
446
447
448
449
452
455
458
462
466
466
459
448
438
434
430
429
428
429
431

Wednesday 23

Waning Gibbous 95%

19:52

09:32

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

Sun - Rise: 07:57, Set: 16:40, Transit: 12:19. Moon - Rise: 19:52, Set: 09:32. Civil Dark: 17:17 - 07:20. Nautical Dark: 17:58 - 06:39. Astro Dark: 18:38 - 05:59

Total Clouds (% Sky Obscured)

0
0
0
0
0
2
2
2
2
2
2
2
2
2
2
2
2
16
16
16
16
16
16
86

Low Clouds (% Sky Obscured)

0
0
0
0
0
2
2
2
2
2
2
2
2
2
2
2
2
8
8
8
8
8
8
50

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
12
12
12
12
12
12
83

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
5
3
5
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
Snow
Snow
Snow
Snow
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
6
8
14
21
24
24
17
12
7
6
5
3
2
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.01
0.04
0.08
0.1
0.1
0.1
0.07
0.03
0.02
0.01
0.02
0.02
0.01
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
85
85
86
86
87
87
88
87
87
87
86
85
82
81
80
82
81
81
79
79
80
81
82

Pressure (mb)

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

Ozone (du)

434
438
440
441
442
441
440
438
436
435
435
435
436
437
438
437
437
437
439
442
443
441
437
435

Thursday 24

Waning Gibbous 88%

21:15

10:00

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: 07:56, Set: 16:42, Transit: 12:19. Moon - Rise: 21:15, Set: 10:00. Civil Dark: 17:19 - 07:19. Nautical Dark: 18:00 - 06:38. Astro Dark: 18:39 - 05:58

Total Clouds (% Sky Obscured)

86
86
86
86
86
95
95
95
95
95
95
99
99
99
99
99
99
73
73
73
73
73
73
98

Low Clouds (% Sky Obscured)

50
50
50
50
50
88
88
88
88
88
88
83
83
83
83
83
83
65
65
65
65
65
65
63

Medium Clouds (% Sky Obscured)

83
83
83
83
83
83
83
83
83
83
83
88
88
88
88
88
88
34
34
34
34
34
34
95

High Clouds (% Sky Obscured)

0
0
0
0
0
16
16
16
16
16
16
94
94
94
94
94
94
2
2
2
2
2
2
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
0

Precipitation Type

None
None
Snow
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
None
Very Light Rain

Precipitation Probability (%)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

1
2
2
3
3
3
4
4
4
5
6
7
8
7
7
7
6
6
6
6
6
6
6
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
82
82
83
84
85
86
86
85
85
82
81
80
79
79
80
80
82
82
82
82
82
82
82

Pressure (mb)

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

Ozone (du)

435
436
436
431
424
418
414
411
409
407
407
407
408
410
413
415
419
422
425
428
431
433
434
435

Forecast for Swindon, Wiltshire, UK (51.56,-1.78)

Generated: 18/01/19 01:09:43. Forecast: 18/01/19 to 24/01/19. Timezone: UTC+0.00