Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 18

Waxing Gibbous 92%

13:44

04:56

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
01 Bad

Sun - Rise: 07:56, Set: 16:25, Transit: 12:10. Moon - Rise: 13:44, Set: 04:56. Civil Dark: 17:03 - 07:18. Nautical Dark: 17:44 - 06:36. Astro Dark: 18:24 - 05:56

Total Clouds (% Sky Obscured)

99
100
99
100
100
100
100
100
100
100
100
100
100
98
100
100
100
100
95
99
99
96
99
96

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
0
12
8
19
6
20
8
1
3
22
17
19
20
42
38

Medium Clouds (% Sky Obscured)

56
51
85
96
100
100
100
100
100
99
99
100
98
95
100
100
100
100
92
98
98
95
99
95

High Clouds (% Sky Obscured)

99
100
99
100
100
100
100
100
100
100
98
98
98
95
90
88
90
45
56
89
87
80
52
46

ISS Passover

Visibility (miles)

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

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
None
None
None
Very Light Rain
Very Light Rain
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
0
0
0
4
8
12
12
10
12
19

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.02
0.07
0.12
0.12
0.09
0.11
0.2

Wind Speed/Direction (mph)

8
6
4
3
4
4
5
5
7
9
10
10
11
11
11
11
12
12
12
12
12
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
79
78
77
76
76
76
76
76
76
76
75
74
72
67
67
66
67
69
70
70
69
69
71

Pressure (mb)

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

Ozone (du)

337
338
341
343
346
348
350
351
353
354
355
356
357
358
359
359
360
360
361
361
362
363
364
363

Saturday 19

Waxing Gibbous 98%

14:36

06:09

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
01 Bad

Sun - Rise: 07:55, Set: 16:26, Transit: 12:11. Moon - Rise: 14:36, Set: 06:09. Civil Dark: 17:04 - 07:17. Nautical Dark: 17:46 - 06:36. Astro Dark: 18:26 - 05:56

Total Clouds (% Sky Obscured)

97
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
100
99
99
97
94

Low Clouds (% Sky Obscured)

27
22
46
99
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
100
99
99
96
94

Medium Clouds (% Sky Obscured)

96
94
100
100
98
85
77
70
54
66
79
72
55
43
13
16
4
7
8
10
10
10
18
6

High Clouds (% Sky Obscured)

16
39
7
48
90
89
89
91
92
88
85
85
73
66
57
20
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

4
3
2
1
1
2
3
4
6
8
9
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
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

25
32
35
33
26
21
21
20
20
11
7
0
7
7
6
6
5
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.4
0.58
0.53
0.39
0.29
0.27
0.3
0.29
0.17
0.05
0.01
0
0.01
0.01
0.01
0.01
0.01
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
12
12
12
12
12
12
12
12
12
11
11
10
9
9
9
8
8
7
7
6
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
76
79
81
84
86
87
88
88
88
87
85
82
80
81
82
82
82
82
82
83
85
87
88

Pressure (mb)

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

Ozone (du)

363
362
362
362
363
364
365
366
367
367
367
367
367
367
366
366
365
365
364
364
364
364
364
363

Sunday 20

Waxing Gibbous 100%

15:41

07:13

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

Sun - Rise: 07:54, Set: 16:28, Transit: 12:11. Moon - Rise: 15:41, Set: 07:13. Civil Dark: 17:06 - 07:16. Nautical Dark: 17:47 - 06:35. Astro Dark: 18:27 - 05:55

Total Clouds (% Sky Obscured)

98
96
91
95
84
62
26
4
0
0
0
13
14
45
77
73
55
55
55
55
55
55
2
2

Low Clouds (% Sky Obscured)

98
96
91
95
82
58
25
4
0
0
0
13
14
45
77
73
55
55
55
55
55
55
2
2

Medium Clouds (% Sky Obscured)

8
19
26
23
46
32
4
1
0
0
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
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
5
6
5
5
5
5
6
6
6
7
6
6
5
5
4
5
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
89
90
90
92
92
93
91
88
83
79
75
74
73
76
79
81
81
81
81
82
82
83
85

Pressure (mb)

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

Ozone (du)

362
361
360
359
359
359
359
358
357
356
355
354
353
352
352
353
353
352
351
349
348
346
345
346

Monday 21

Full Moon 99%

16:57

08:07

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
01 Bad

Sun - Rise: 07:53, Set: 16:30, Transit: 12:11. Moon - Rise: 16:57, Set: 08:07. Civil Dark: 17:07 - 07:15. Nautical Dark: 17:49 - 06:34. Astro Dark: 18:28 - 05:54

Total Clouds (% Sky Obscured)

2
2
2
2
23
23
23
23
23
23
76
76
76
76
76
76
94
94
94
94
94
94
100
100

Low Clouds (% Sky Obscured)

2
2
2
2
3
3
3
3
3
3
64
64
64
64
64
64
40
40
40
40
40
40
99
99

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
90
90
90
90
90
90
98
98

High Clouds (% Sky Obscured)

0
0
0
0
20
20
20
20
20
20
36
36
36
36
36
36
0
0
0
0
0
0
98
98

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
8
5
3
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
Very Light Rain
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
1
2
2
2
6
7
0
0
0
0
0
0
0
0
5
9
23
44
53
54

Precipitation Amount (mm)

0
0
0
0
0.01
0.01
0.01
0.02
0.01
0.01
0
0
0
0
0
0
0
0
0.01
0.04
0.1
0.23
0.4
0.62

Wind Speed/Direction (mph)

4
4
4
4
4
4
4
4
4
4
5
5
6
7
6
6
6
7
8
9
10
12
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
88
89
89
91
93
95
96
95
94
94
87
84
81
82
83
84
83
80
80
81
82
84
85

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1023
1022
1021
1020
1020
1019
1017
1016
1014
1012
1011
1009

Ozone (du)

348
349
348
347
345
345
345
345
345
345
345
346
348
349
349
349
350
353
358
364
370
376
384
393

Tuesday 22

Waning Gibbous 95%

18:20

08:50

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 OK
20 OK
21 OK
22 OK
23 Bad
00 OK
01 OK

Sun - Rise: 07:52, Set: 16:31, Transit: 12:11. Moon - Rise: 18:20, Set: 08:50. Civil Dark: 17:09 - 07:14. Nautical Dark: 17:50 - 06:33. Astro Dark: 18:30 - 05:53

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
99
99
99
99
99
43
43
43
43
43
43
5
5

Low Clouds (% Sky Obscured)

99
99
99
99
100
100
100
100
100
100
31
31
31
31
31
31
36
36
36
36
36
36
5
5

Medium Clouds (% Sky Obscured)

98
98
98
98
100
100
100
100
100
100
98
98
98
98
98
98
2
2
2
2
2
2
0
0

High Clouds (% Sky Obscured)

98
98
98
98
100
100
100
100
100
100
98
98
98
98
98
98
11
11
11
11
11
11
0
0

ISS Passover

Visibility (miles)

0
0
2
4
6
9
10
10
10
10
10
9
7
6
6
6
6
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
Light Rain
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
Very Light Rain
Snow
Snow
None
None
Snow
Snow
Snow
Snow

Precipitation Probability (%)

47
40
31
19
14
19
28
34
28
21
16
15
17
18
17
14
13
8
4
2
8
13
15
12

Precipitation Amount (mm)

0.89
0.94
0.58
0.2
0.1
0.21
0.47
0.61
0.36
0.08
0.03
0.06
0.11
0.16
0.18
0.18
0.15
0.08
0.03
0.02
0.07
0.25
0.38
0.23

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
85
84
83
84
89
91
91
89
88
87
85
83
82
83
83
83
83
84
86
88
89
89

Pressure (mb)

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

Ozone (du)

404
415
427
440
449
452
452
451
449
447
446
449
454
458
460
462
462
462
460
458
457
456
454
454

Wednesday 23

Waning Gibbous 95%

19:45

09:25

02 OK
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
01 Bad

Sun - Rise: 07:50, Set: 16:33, Transit: 12:12. Moon - Rise: 19:45, Set: 09:25. Civil Dark: 17:10 - 07:13. Nautical Dark: 17:51 - 06:32. Astro Dark: 18:31 - 05:52

Total Clouds (% Sky Obscured)

5
5
5
5
87
87
87
87
87
87
95
95
95
95
95
95
70
70
70
70
70
70
72
72

Low Clouds (% Sky Obscured)

5
5
5
5
87
87
87
87
87
87
95
95
95
95
95
95
70
70
70
70
70
70
23
23

Medium 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
67
67

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

Snow
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 (%)

7
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)

0.04
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
88
87
87
88
89
91
91
90
88
86
83
80
79
78
80
81
81
80
80
80
81
82
84

Pressure (mb)

1001
1001
1001
1000
1001
1001
1001
1002
1002
1003
1003
1003
1003
1003
1004
1004
1005
1005
1006
1006
1007
1007
1007
1008

Ozone (du)

453
452
447
441
435
432
429
427
426
426
426
426
425
424
424
424
425
425
425
426
429
433
435
433

Thursday 24

Waning Gibbous 88%

21:07

09:53

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

Sun - Rise: 07:49, Set: 16:35, Transit: 12:12. Moon - Rise: 21:07, Set: 09:53. Civil Dark: 17:12 - 07:12. Nautical Dark: 17:53 - 06:31. Astro Dark: 18:33 - 05:51

Total Clouds (% Sky Obscured)

72
72
72
72
77
77
77
77
77
77
47
47
47
47
47
47
98
98
98
98
98
98
100
100

Low Clouds (% Sky Obscured)

23
23
23
23
2
2
2
2
2
2
45
45
45
45
45
45
19
19
19
19
19
19
100
100

Medium Clouds (% Sky Obscured)

67
67
67
67
76
76
76
76
76
76
0
0
0
0
0
0
97
97
97
97
97
97
100
100

High Clouds (% Sky Obscured)

0
0
0
0
29
29
29
29
29
29
3
3
3
3
3
3
31
31
31
31
31
31
96
96

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
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
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
1
3
7
12
15
15
15
14
10
8
0
6
5
4
4
3
3
3
3
3
3
3
3

Precipitation Amount (mm)

0.01
0.02
0.04
0.06
0.08
0.09
0.09
0.08
0.05
0.02
0.01
0
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
86
86
86
87
89
91
91
89
86
84
81
78
77
77
79
80
81
82
82
83
84
84
84

Pressure (mb)

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

Ozone (du)

430
427
424
420
418
416
415
415
415
415
414
413
411
410
409
409
411
413
417
420
422
424
426
428

Forecast for Enfield, Greater London, UK (51.65,-0.08)

Generated: 18/01/19 02:27:45. Forecast: 18/01/19 to 24/01/19. Timezone: UTC+0.00