Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 19

Waxing Gibbous 98%

14:41

06:11

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
03 Bad

Sun - Rise: 07:58, Set: 16:31, Transit: 12:14. Moon - Rise: 14:41, Set: 06:11. Civil Dark: 17:08 - 07:20. Nautical Dark: 17:50 - 06:39. Astro Dark: 18:29 - 05:59

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
96
92
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
97
98
100
100
100
100
100
100
100
100
100
100
98
69
63
99
99

Medium Clouds (% Sky Obscured)

28
33
20
50
94
91
91
94
88
100
100
84
98
96
98
98
98
87
88
94
73
79
100
100

High Clouds (% Sky Obscured)

15
6
46
84
95
92
98
98
100
100
100
98
98
96
96
96
94
95
95
95
86
73
15
0

ISS Passover

Visibility (miles)

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

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
None
Very Light Rain

Precipitation Probability (%)

30
26
23
20
21
24
25
27
31
36
38
34
28
22
17
17
18
18
16
14
4
0
0
7

Precipitation Amount (mm)

0.06
0.21
0.07
0.05
0.04
0.04
0.06
0.1
0.14
0.16
0.17
0.16
0.12
0.08
0.05
0.04
0.04
0.03
0.02
0.01
0.01
0
0
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
2
2
3
3
3
4
4
4
4
4
4
4
4
4
3
3
3
3
3
3
3
2
2

Relative Humidity (%)

90
88
86
88
90
93
93
94
94
93
90
87
86
86
85
84
85
85
86
87
88
88
88
89

Pressure (mb)

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

Ozone (du)

356
356
356
357
357
357
358
358
359
359
359
359
359
359
360
360
361
362
362
362
362
362
361
361

Sunday 20

Waxing Gibbous 100%

15:46

07:16

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
03 Bad

Sun - Rise: 07:57, Set: 16:32, Transit: 12:15. Moon - Rise: 15:46, Set: 07:16. Civil Dark: 17:10 - 07:19. Nautical Dark: 17:51 - 06:38. Astro Dark: 18:31 - 05:58

Total Clouds (% Sky Obscured)

99
83
54
75
70
64
59
77
100
100
100
100
99
100
100
96
97
97
100
96
55
65
58
62

Low Clouds (% Sky Obscured)

89
59
25
63
62
60
41
77
100
100
100
100
99
100
100
95
97
96
100
96
55
65
58
62

Medium Clouds (% Sky Obscured)

97
76
48
71
66
56
48
7
69
90
80
76
77
100
98
51
28
3
1
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
1
0
0
0
3
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
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
4
5
4
0
0
0
0
0
0
6
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

7
6
6
6
6
6
6
6
7
7
8
8
8
7
7
7
7
7
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
92
94
95
95
92
90
87
83
79
78
80
83
85
86
87
87
87
88
88
90
91
92

Pressure (mb)

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

Ozone (du)

361
361
361
360
359
358
356
354
352
351
351
350
351
351
351
350
349
348
349
350
351
349
346
344

Monday 21

Full Moon 99%

17:02

08:10

04 OK
05 Good
06 Good
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
03 Bad

Sun - Rise: 07:56, Set: 16:34, Transit: 12:15. Moon - Rise: 17:02, Set: 08:10. Civil Dark: 17:11 - 07:18. Nautical Dark: 17:53 - 06:37. Astro Dark: 18:32 - 05:57

Total Clouds (% Sky Obscured)

22
7
9
64
98
100
100
100
100
100
100
99
100
100
99
99
99
99
99
99
100
100
100
100

Low Clouds (% Sky Obscured)

22
7
6
34
89
100
100
100
100
71
61
34
52
33
27
27
27
27
27
27
98
98
98
98

Medium Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
6
52
91
71
52
90
95
95
95
95
95
95
100
100
100
100

High Clouds (% Sky Obscured)

0
0
5
46
66
72
69
81
79
99
100
98
100
100
99
99
99
99
99
99
98
98
98
98

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
100
100
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
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
0
0
0
27
45
55
60
62
58

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.05
0.22
0.51
0.92
1.43
1.54

Wind Speed/Direction (mph)

6
6
5
5
5
4
4
4
5
5
6
7
8
9
10
11
12
13
15
17
18
19
19
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
90
91
91
93
93
90
87
84
81
79
78
81
84
85
85
83
81
80
78
77
77
80
82

Pressure (mb)

1025
1025
1026
1026
1026
1026
1026
1025
1024
1024
1022
1021
1021
1020
1019
1017
1016
1014
1012
1010
1007
1006
1004
1003

Ozone (du)

343
342
341
341
341
342
342
342
342
342
342
342
342
341
342
344
346
350
354
358
364
374
385
397

Tuesday 22

Waning Gibbous 95%

18:25

08:53

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

Sun - Rise: 07:55, Set: 16:36, Transit: 12:15. Moon - Rise: 18:25, Set: 08:53. Civil Dark: 17:13 - 07:17. Nautical Dark: 17:54 - 06:36. Astro Dark: 18:33 - 05:57

Total Clouds (% Sky Obscured)

100
100
0
0
0
0
0
0
77
77
77
77
77
77
16
16
16
16
16
16
32
32
32
32

Low Clouds (% Sky Obscured)

98
98
0
0
0
0
0
0
32
32
32
32
32
32
15
15
15
15
15
15
32
32
32
32

Medium Clouds (% Sky Obscured)

100
100
0
0
0
0
0
0
70
70
70
70
70
70
3
3
3
3
3
3
0
0
0
0

High Clouds (% Sky Obscured)

98
98
0
0
0
0
0
0
6
6
6
6
6
6
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

2
4
6
10
10
10
10
7
3
2
1
1
1
1
2
6
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
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
Snow
Snow
None
None
None
None
None
Snow
Snow
Snow
None
None

Precipitation Probability (%)

54
30
0
0
0
0
9
17
25
28
27
29
26
11
2
0
0
0
4
8
9
8
5
0

Precipitation Amount (mm)

0.84
0.15
0
0
0
0
0.01
0.06
0.12
0.2
0.27
0.27
0.15
0.04
0.01
0
0
0
0.01
0.04
0.05
0.03
0.01
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
81
82
82
84
86
86
86
87
82
83
83
83
82
81
81
82
83
83
84
84
84
83
83

Pressure (mb)

1002
1002
1002
1001
1001
1001
1000
1000
999
998
997
997
997
997
997
997
997
997
996
996
996
995
994
994

Ozone (du)

411
426
436
439
438
438
442
448
454
459
463
467
470
471
473
474
475
475
474
473
471
469
467
465

Wednesday 23

Waning Gibbous 88%

19:49

09:28

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

Sun - Rise: 07:53, Set: 16:37, Transit: 12:15. Moon - Rise: 19:49, Set: 09:28. Civil Dark: 17:14 - 07:16. Nautical Dark: 17:55 - 06:35. Astro Dark: 18:35 - 05:56

Total Clouds (% Sky Obscured)

32
32
0
0
0
0
0
0
0
0
0
0
0
0
23
23
23
23
23
23
14
14
14
14

Low Clouds (% Sky Obscured)

32
32
0
0
0
0
0
0
0
0
0
0
0
0
23
23
23
23
23
23
12
12
12
12

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
9
9
9
9
9
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
3
3
3
3

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
Snow
Snow
Snow
None
None
None
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
4
7
9
8
4
3
4
6
7

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.02
0.03
0.02
0.01
0.01
0.01
0.01
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
85
87
88
90
90
88
85
83
81
79
78
78
79
80
80
80
80
81
82
84
86
88
89

Pressure (mb)

993
993
993
993
993
993
993
993
993
993
993
994
994
995
995
996
996
996
996
996
996
997
997
997

Ozone (du)

463
461
458
455
452
450
447
445
443
441
440
438
435
432
430
429
428
429
432
435
439
442
445
446

Thursday 24

Waning Gibbous 79%

21:12

09:56

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

Sun - Rise: 07:52, Set: 16:39, Transit: 12:16. Moon - Rise: 21:12, Set: 09:56. Civil Dark: 17:16 - 07:15. Nautical Dark: 17:57 - 06:34. Astro Dark: 18:36 - 05:55

Total Clouds (% Sky Obscured)

14
14
38
38
38
38
38
38
100
100
100
100
100
100
100
100
100
100
100
100
2
2
2
2

Low Clouds (% Sky Obscured)

12
12
34
34
34
34
34
34
100
100
100
100
100
100
100
100
100
100
100
100
2
2
2
2

Medium Clouds (% Sky Obscured)

0
0
27
27
27
27
27
27
100
100
100
100
100
100
92
92
92
92
92
92
0
0
0
0

High Clouds (% Sky Obscured)

3
3
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
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
Snow
Snow
Snow
Snow
None

Precipitation Probability (%)

8
11
13
10
9
0
0
0
0
0
0
3
10
12
15
12
0
0
5
10
12
9
7
5

Precipitation Amount (mm)

0.05
0.1
0.12
0.07
0.02
0
0
0
0
0
0
0.01
0.01
0.02
0.04
0.02
0
0
0.01
0.03
0.06
0.06
0.05
0.04

Wind Speed/Direction (mph)

11
13
15
15
14
13
14
14
15
15
14
14
14
13
13
13
13
13
13
14
14
14
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
87
87
88
87
85
81
78
78
79
81
81
83
84
83
83
82
83
83
83
83
83
83

Pressure (mb)

998
999
1000
1001
1003
1004
1005
1006
1006
1007
1007
1007
1007
1008
1008
1009
1009
1010
1010
1010
1011
1011
1011
1011

Ozone (du)

443
439
435
432
429
427
424
422
419
418
416
416
416
416
417
418
420
421
422
424
425
426
426
427

Friday 25

Waning Gibbous 79%

22:31

10:21

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 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:51, Set: 16:41, Transit: 12:16. Moon - Rise: 22:31, Set: 10:21. Civil Dark: 17:18 - 07:14. Nautical Dark: 17:58 - 06:33. Astro Dark: 18:38 - 05:54

Total Clouds (% Sky Obscured)

2
2
12
12
12
12
12
12
80
80
80
80
80
80
89
89
89
89
89
89
99
99
99
99

Low Clouds (% Sky Obscured)

2
2
12
12
12
12
12
12
80
80
80
80
80
80
89
89
89
89
89
89
99
99
99
99

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
3
3
3
3
3
1
1
1
1

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
9
6
6
8
9
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
Snow
Snow
Snow
Very Light Rain
None
Snow
Snow
Snow
Snow
Snow
None
None
None
Snow
None
None
None
None
None
None

Precipitation Probability (%)

5
4
3
4
6
7
8
6
0
7
11
14
10
6
4
4
5
6
5
0
0
0
0
0

Precipitation Amount (mm)

0.03
0.02
0.02
0.02
0.03
0.03
0.02
0.01
0
0.01
0.03
0.05
0.04
0.01
0.01
0.01
0.02
0.02
0.01
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-5
-5
-5
-5
-5
-5
-4
-4
-3
-4
-4
-4
-4
-4
-4
-4
-5
-5
-5
-5
-5
-5
-5

Dew Point (°C)

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

Relative Humidity (%)

82
82
81
81
82
81
78
74
70
69
69
69
70
70
71
73
76
79
81
83
84
84
83
82

Pressure (mb)

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

Ozone (du)

426
425
425
426
429
431
433
435
437
439
441
443
444
445
447
449
451
454
455
457
457
457
456
455

Forecast for Reading, Reading, UK (51.45,-0.98)

Generated: 19/01/19 04:01:08. Forecast: 19/01/19 to 25/01/19. Timezone: UTC+0.00