Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 18

Waxing Gibbous 92%

13:47

04:58

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: 07:58, Set: 16:28, Transit: 12:13. Moon - Rise: 13:47, Set: 04:58. Civil Dark: 17:06 - 07:20. Nautical Dark: 17:47 - 06:39. Astro Dark: 18:27 - 05:59

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
4
1
6
0
10
1
2
3
2
14
50
20
33
32
99
99

Medium Clouds (% Sky Obscured)

41
64
97
98
100
100
100
100
100
97
99
100
94
100
100
100
100
100
99
98
99
100
100
78

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
98
98
98
96
94
91
98
70
71
46
85
88
19
13
6

ISS Passover

Visibility (miles)

8
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
5
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
Very Light Rain
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
6
9
13
18
19
26
42
52
57

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.02
0.06
0.1
0.1
0.07
0.09
0.25
0.58
0.89

Wind Speed/Direction (mph)

5
3
3
4
4
4
5
7
8
9
10
11
12
13
14
14
14
13
13
14
14
14
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
79
76
75
75
75
75
76
76
75
74
72
68
64
62
61
62
63
66
69
73
75
77
79

Pressure (mb)

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

Ozone (du)

337
338
340
342
345
347
349
350
351
353
354
355
357
358
358
358
358
358
359
360
361
361
362
362

Saturday 19

Waxing Gibbous 98%

14:39

06:10

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: 07:57, Set: 16:29, Transit: 12:13. Moon - Rise: 14:39, Set: 06:10. Civil Dark: 17:07 - 07:19. Nautical Dark: 17:48 - 06:38. Astro Dark: 18:28 - 05:58

Total Clouds (% Sky Obscured)

100
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
96
89
93

Low Clouds (% Sky Obscured)

100
95
100
100
100
100
100
100
100
100
100
100
100
100
100
98
100
100
100
100
97
90
87
90

Medium Clouds (% Sky Obscured)

72
70
73
99
92
82
59
32
58
75
63
42
72
82
69
91
90
94
79
93
95
79
28
58

High Clouds (% Sky Obscured)

3
2
2
81
87
87
86
84
84
88
88
85
77
63
35
63
90
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

3
8
10
8
4
2
5
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
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

Precipitation Probability (%)

58
56
56
58
57
46
33
26
20
16
14
15
15
14
12
12
11
8
8
0
0
0
0
0

Precipitation Amount (mm)

0.94
0.84
0.72
0.55
0.38
0.27
0.18
0.11
0.07
0.04
0.03
0.03
0.03
0.03
0.02
0.02
0.01
0.01
0.01
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
83
84
85
84
85
87
89
91
92
93
92
90
87
85
84
86
85
86
86
86
86
87
88

Pressure (mb)

1011
1010
1010
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1008
1008
1008
1009
1009
1009
1010
1010

Ozone (du)

361
360
360
361
362
364
365
365
366
367
367
367
366
366
366
365
365
364
364
363
362
362
361
360

Sunday 20

Waxing Gibbous 100%

15:44

07:15

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

Sun - Rise: 07:56, Set: 16:31, Transit: 12:13. Moon - Rise: 15:44, Set: 07:15. Civil Dark: 17:09 - 07:18. Nautical Dark: 17:50 - 06:37. Astro Dark: 18:30 - 05:57

Total Clouds (% Sky Obscured)

98
95
96
98
98
94
95
84
65
19
1
5
12
13
21
48
52
65
65
65
65
65
65
2

Low Clouds (% Sky Obscured)

97
91
94
98
98
93
93
83
59
18
1
5
12
13
21
48
52
65
65
65
65
65
65
2

Medium Clouds (% Sky Obscured)

68
79
73
48
25
38
91
51
52
7
0
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
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
4
3
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
0.01
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
5
5
5
5
5
6
6
6
6
5
5
6
6
7
7
7
7
6
6
5
5
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
88
87
86
87
87
89
89
88
87
84
80
76
73
75
79
82
83
83
83
84
85
86

Pressure (mb)

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

Ozone (du)

359
358
357
357
357
357
357
356
356
355
354
353
352
350
349
349
350
350
349
346
345
345
345
346

Monday 21

Full Moon 99%

17:01

08:09

01 Good
02 Good
03 Good
04 Good
05 Good
06 OK
07 OK
08 OK
09 OK
10 OK
11 OK
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: 16:33, Transit: 12:14. Moon - Rise: 17:01, Set: 08:09. Civil Dark: 17:10 - 07:17. Nautical Dark: 17:51 - 06:36. Astro Dark: 18:31 - 05:56

Total Clouds (% Sky Obscured)

2
2
2
2
2
20
20
20
20
20
20
58
58
58
58
58
58
92
92
92
92
92
92
100

Low Clouds (% Sky Obscured)

2
2
2
2
2
1
1
1
1
1
1
58
58
58
58
58
58
49
49
49
49
49
49
99

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
85
85
85
85
85
85
97

High Clouds (% Sky Obscured)

0
0
0
0
0
20
20
20
20
20
20
0
0
0
0
0
0
5
5
5
5
5
5
99

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
7
4
2
2
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
Snow
Snow
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
3
6
9
0
0
0
0
0
0
0
0
0
7
16
42
62
69

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.01
0.01
0.01
0
0
0
0
0
0
0
0
0
0.01
0.04
0.19
0.51
0.83

Wind Speed/Direction (mph)

5
4
4
5
5
6
5
4
4
4
5
6
6
6
6
6
6
6
7
7
8
10
12
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
88
89
89
89
90
92
95
95
95
94
94
86
82
79
80
83
84
84
81
80
80
81
82

Pressure (mb)

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

Ozone (du)

347
347
347
346
344
343
342
342
342
342
342
343
343
345
346
347
348
350
353
357
363
369
377
387

Tuesday 22

Waning Gibbous 99%

18:23

08:52

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: 07:54, Set: 16:34, Transit: 12:14. Moon - Rise: 18:23, Set: 08:52. Civil Dark: 17:12 - 07:16. Nautical Dark: 17:53 - 06:35. Astro Dark: 18:32 - 05:56

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
82
82
82
82
82
82
70
70
70
70
70
70
2

Low Clouds (% Sky Obscured)

99
99
99
99
99
100
100
100
100
100
100
50
50
50
50
50
50
70
70
70
70
70
70
2

Medium Clouds (% Sky Obscured)

97
97
97
97
97
100
100
100
100
100
100
11
11
11
11
11
11
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

99
99
99
99
99
100
100
100
100
100
100
65
65
65
65
65
65
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
1
3
6
8
8
7
6
5
4
4
6
9
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
Snow
Snow
Snow
Snow
Snow
Snow
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
Snow
None
None
None
None

Precipitation Probability (%)

58
42
33
26
23
24
26
33
31
25
21
18
18
15
11
8
0
0
3
6
5
3
0
0

Precipitation Amount (mm)

0.9
0.8
0.6
0.33
0.2
0.26
0.37
0.46
0.46
0.27
0.1
0.06
0.05
0.03
0.02
0.01
0
0
0.01
0.02
0.03
0.02
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
86
89
90
90
88
88
91
92
89
85
84
83
83
83
83
84
84
84
84
84
85
86
87

Pressure (mb)

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

Ozone (du)

397
410
421
432
443
450
452
451
450
449
447
447
450
454
457
460
463
463
458
451
445
444
444
446

Wednesday 23

Waning Gibbous 95%

19:48

09:27

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

Sun - Rise: 07:52, Set: 16:36, Transit: 12:14. Moon - Rise: 19:48, Set: 09:27. Civil Dark: 17:13 - 07:15. Nautical Dark: 17:54 - 06:34. Astro Dark: 18:34 - 05:55

Total Clouds (% Sky Obscured)

2
2
2
2
2
17
17
17
17
17
17
80
80
80
80
80
80
30
30
30
30
30
30
82

Low Clouds (% Sky Obscured)

2
2
2
2
2
17
17
17
17
17
17
80
80
80
80
80
80
30
30
30
30
30
30
48

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
76

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
14
12
10
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
86
85
85
86
87
90
90
89
88
85
81
76
74
75
76
77
77
76
76
77
79
81

Pressure (mb)

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

Ozone (du)

450
454
456
455
451
447
443
438
434
433
433
432
432
431
431
430
429
428
427
426
425
426
426
428

Thursday 24

Waning Gibbous 88%

21:10

09:55

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 Bad

Sun - Rise: 07:51, Set: 16:38, Transit: 12:14. Moon - Rise: 21:10, Set: 09:55. Civil Dark: 17:15 - 07:14. Nautical Dark: 17:56 - 06:33. Astro Dark: 18:35 - 05:54

Total Clouds (% Sky Obscured)

82
82
82
82
82
98
98
98
98
98
98
73
73
73
73
73
73
97
97
97
97
97
97
99

Low Clouds (% Sky Obscured)

48
48
48
48
48
46
46
46
46
46
46
41
41
41
41
41
41
45
45
45
45
45
45
81

Medium Clouds (% Sky Obscured)

76
76
76
76
76
97
97
97
97
97
97
1
1
1
1
1
1
95
95
95
95
95
95
98

High Clouds (% Sky Obscured)

0
0
0
0
0
57
57
57
57
57
57
56
56
56
56
56
56
13
13
13
13
13
13
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
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
3
4
6
9
12
14
11
10
9
6
0
0
0
5
5
3
3
3
3
0
0
0
0

Precipitation Amount (mm)

0
0.02
0.04
0.06
0.09
0.1
0.1
0.09
0.07
0.03
0.01
0
0
0
0.01
0.01
0.01
0.01
0.01
0.01
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
84
84
84
85
85
87
88
87
84
80
77
75
75
76
78
79
81
82
82
82
82
82
82

Pressure (mb)

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

Ozone (du)

430
432
432
428
423
418
416
415
414
414
415
415
413
410
408
409
411
413
416
419
422
424
425
425

Forecast for Maidenhead, Windsor and Maidenhead, UK (51.50,-0.70)

Generated: 18/01/19 01:10:52. Forecast: 18/01/19 to 24/01/19. Timezone: UTC+0.00