Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 19

Waxing Gibbous 98%

14:33

06:11

04 OK
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: 16:24, Transit: 12:10. Moon - Rise: 14:33, Set: 06:11. Civil Dark: 17:02 - 07:19. Nautical Dark: 17:44 - 06:37. Astro Dark: 18:25 - 05:56

Total Clouds (% Sky Obscured)

12
98
99
99
100
100
98
100
100
98
100
99
100
99
100
100
100
99
94
90
81
73
70
81

Low Clouds (% Sky Obscured)

1
56
98
98
100
100
98
100
100
98
100
99
100
98
100
98
100
99
94
90
81
73
70
81

Medium Clouds (% Sky Obscured)

12
98
81
87
80
65
32
13
9
1
0
1
2
1
2
7
6
1
0
0
0
0
0
1

High Clouds (% Sky Obscured)

0
9
4
42
2
3
3
5
0
0
0
5
28
50
91
91
89
0
3
0
0
4
0
0

ISS Passover

Visibility (miles)

8
10
10
10
6
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

Precipitation Type

None
None
None
None
None
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
None
None
None
None
None

Precipitation Probability (%)

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

Precipitation Amount (mm)

0.01
0.02
0.01
0.02
0.05
0.07
0.07
0.07
0.07
0.04
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
12
13
14
14
14
15
14
14
14
13
13
12
11
10
10
9
9
8
8
7
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
76
73
72
73
75
77
79
81
82
81
81
82
85
86
88
89
90
90
89
88
88
89
90

Pressure (mb)

1011
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1011
1011
1012
1012
1012

Ozone (du)

360
360
361
361
360
360
360
361
361
362
363
363
364
365
366
367
367
368
368
368
367
367
367
366

Sunday 20

Waxing Gibbous 100%

15:38

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: 07:56, Set: 16:25, Transit: 12:11. Moon - Rise: 15:38, Set: 07:16. Civil Dark: 17:04 - 07:18. Nautical Dark: 17:46 - 06:36. Astro Dark: 18:26 - 05:55

Total Clouds (% Sky Obscured)

86
90
93
81
59
88
84
85
81
70
90
88
88
93
98
99
98
98
99
100
98
86
69
57

Low Clouds (% Sky Obscured)

86
90
93
81
59
88
84
85
81
69
90
88
88
93
98
99
98
98
99
100
98
86
69
56

Medium Clouds (% Sky Obscured)

0
1
2
2
7
4
1
1
1
3
0
1
2
1
1
2
1
1
0
0
0
0
2
3

High Clouds (% Sky Obscured)

2
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
2
2
4
5
5
3
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
0.02
0.02
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
4
4
4
4
5
5
5
5
5
5
5
6
6
6
6
5
5
5
4
5
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
88
88
88
89
88
85
81
77
73
69
69
74
82
88
90
91
91
91
92
92
92
92
92

Pressure (mb)

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

Ozone (du)

365
364
362
361
360
359
358
356
355
355
354
354
355
355
355
354
352
351
351
352
352
351
350
349

Monday 21

Full Moon 99%

16:55

08:10

04 Bad
05 OK
06 OK
07 OK
08 Bad
09 Bad
10 Bad
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: 07:55, Set: 16:27, Transit: 12:11. Moon - Rise: 16:55, Set: 08:10. Civil Dark: 17:05 - 07:17. Nautical Dark: 17:47 - 06:35. Astro Dark: 18:28 - 05:55

Total Clouds (% Sky Obscured)

55
33
20
34
71
67
58
34
62
77
96
99
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

54
33
19
17
27
9
7
6
48
51
70
37
20
52
73
73
73
73
73
73
3
3
3
3

Medium Clouds (% Sky Obscured)

6
1
0
0
0
0
0
0
17
10
46
84
90
96
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
1
20
61
64
55
32
31
57
93
98
100
100
99
99
99
99
99
99
100
100
100
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
2
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
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
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
14
35
49
53
64
62

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.03
0.16
0.39
0.74
1.21
1.34

Wind Speed/Direction (mph)

5
5
4
4
5
5
5
5
5
5
6
7
8
10
11
12
13
14
16
17
19
20
21
21

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
91
91
92
93
92
87
82
77
75
74
75
80
86
89
91
90
90
87
84
81
79
79
80

Pressure (mb)

1025
1025
1025
1025
1025
1025
1025
1024
1024
1023
1022
1020
1020
1019
1018
1016
1015
1013
1011
1008
1006
1004
1003
1001

Ozone (du)

348
347
347
346
346
346
347
348
349
349
349
349
348
346
346
347
350
354
358
362
369
377
388
398

Tuesday 22

Waning Gibbous 95%

18:18

08:52

04 Bad
05 Bad
06 Bad
07 OK
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 OK
21 OK
22 OK
23 OK
00 Good
01 Good
02 OK
03 OK

Sun - Rise: 07:54, Set: 16:29, Transit: 12:11. Moon - Rise: 18:18, Set: 08:52. Civil Dark: 17:07 - 07:16. Nautical Dark: 17:49 - 06:34. Astro Dark: 18:29 - 05:54

Total Clouds (% Sky Obscured)

100
100
40
40
40
40
40
40
97
97
97
97
97
97
13
13
13
13
13
13
5
5
5
5

Low Clouds (% Sky Obscured)

3
3
0
0
0
0
0
0
92
92
92
92
92
92
9
9
9
9
9
9
5
5
5
5

Medium Clouds (% Sky Obscured)

100
100
32
32
32
32
32
32
73
73
73
73
73
73
2
2
2
2
2
2
0
0
0
0

High Clouds (% Sky Obscured)

100
100
37
37
37
37
37
37
8
8
8
8
8
8
4
4
4
4
4
4
0
0
0
0

ISS Passover

Visibility (miles)

2
5
8
10
10
10
10
10
10
10
5
2
1
1
3
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
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
Snow
Snow

Precipitation Probability (%)

52
30
4
0
0
0
0
3
5
21
28
35
35
28
25
23
16
6
0
0
0
5
7
6

Precipitation Amount (mm)

0.75
0.15
0.01
0
0
0
0
0.01
0.02
0.08
0.32
0.54
0.49
0.33
0.23
0.13
0.04
0.01
0
0
0
0.01
0.04
0.07

Wind Speed/Direction (mph)

18
15
13
12
12
13
14
14
14
14
14
13
13
13
13
13
12
12
11
10
10
9
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
1
1
0
-0
-0
0
1
1
1
1
1
1
0
0
-0
-0
-0
-1
-1
-1
-1
-1
-1

Relative Humidity (%)

81
83
84
86
88
89
88
88
89
86
88
89
90
90
90
90
90
89
89
88
89
89
90
91

Pressure (mb)

1000
1000
999
999
999
999
998
998
997
996
996
995
995
995
995
995
995
995
995
994
994
993
993
992

Ozone (du)

410
423
432
435
434
435
439
445
451
456
460
463
464
463
463
464
466
467
467
466
465
464
463
461

Wednesday 23

Waning Gibbous 88%

19:43

09:26

04 OK
05 Good
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 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 OK
03 OK

Sun - Rise: 07:53, Set: 16:31, Transit: 12:12. Moon - Rise: 19:43, Set: 09:26. Civil Dark: 17:09 - 07:15. Nautical Dark: 17:50 - 06:33. Astro Dark: 18:30 - 05:53

Total Clouds (% Sky Obscured)

5
5
0
0
0
0
0
0
0
0
0
0
0
0
23
23
23
23
23
23
3
3
3
3

Low Clouds (% Sky Obscured)

5
5
0
0
0
0
0
0
0
0
0
0
0
0
21
21
21
21
21
21
3
3
3
3

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
13
13
13
13
13
13
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
8
4
2
2
2
6
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
Very Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

6
5
5
5
3
3
3
7
0
8
8
9
9
5
7
8
10
15
17
21
24
26
28
26

Precipitation Amount (mm)

0.05
0.03
0.02
0.02
0.03
0.04
0.02
0.01
0
0.01
0.02
0.02
0.02
0.02
0.01
0.01
0.03
0.06
0.14
0.27
0.37
0.36
0.35
0.33

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
89
89
89
92
93
92
89
88
87
85
85
85
87
88
89
88
87
87
87
87
88
90
91

Pressure (mb)

992
992
992
992
992
992
992
992
992
992
993
993
993
993
994
994
994
994
995
995
995
996
996
997

Ozone (du)

458
454
450
448
447
446
445
444
443
441
439
437
434
430
429
431
435
438
440
441
442
442
441
439

Thursday 24

Waning Gibbous 79%

21:07

09:54

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

Sun - Rise: 07:51, Set: 16:32, Transit: 12:12. Moon - Rise: 21:07, Set: 09:54. Civil Dark: 17:10 - 07:13. Nautical Dark: 17:52 - 06:32. Astro Dark: 18:32 - 05:52

Total Clouds (% Sky Obscured)

3
3
0
0
0
0
0
0
100
100
100
100
100
100
2
2
2
2
2
2
72
72
72
72

Low Clouds (% Sky Obscured)

3
3
0
0
0
0
0
0
92
92
92
92
92
92
2
2
2
2
2
2
69
69
69
69

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
99
99
99
99
99
99
0
0
0
0
0
0
13
13
13
13

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
9
7
7
9
10
8
7
6
8
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
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

14
5
0
0
0
0
12
16
19
20
19
18
16
18
14
14
15
19
23
25
22
16
9
6

Precipitation Amount (mm)

0.19
0.04
0
0
0
0
0.01
0.03
0.05
0.04
0.04
0.04
0.04
0.04
0.04
0.05
0.06
0.07
0.09
0.1
0.1
0.06
0.02
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
94
94
94
95
93
92
90
89
88
88
88
88
89
90
89
88
88
88
88
87
87
86
85

Pressure (mb)

998
1000
1001
1002
1004
1005
1005
1006
1006
1006
1006
1007
1007
1008
1008
1009
1009
1010
1010
1010
1010
1011
1011
1011

Ozone (du)

438
437
435
430
424
419
418
419
419
418
416
415
416
418
419
422
424
426
428
429
430
430
429
429

Friday 25

Waning Gibbous 75%

22:27

10:18

04 Bad
05 Bad
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
02 Bad
03 Bad

Sun - Rise: 07:50, Set: 16:34, Transit: 12:12. Moon - Rise: 22:27, Set: 10:18. Civil Dark: 17:12 - 07:12. Nautical Dark: 17:53 - 06:31. Astro Dark: 18:33 - 05:51

Total Clouds (% Sky Obscured)

72
72
9
9
9
9
9
9
100
100
100
100
100
100
100
100
100
100
100
100
94
94
94
94

Low Clouds (% Sky Obscured)

69
69
9
9
9
9
9
9
100
100
100
100
100
100
100
100
100
100
100
100
94
94
94
94

Medium Clouds (% Sky Obscured)

13
13
0
0
0
0
0
0
2
2
2
2
2
2
1
1
1
1
1
1
6
6
6
6

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
8
7
7
8
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
Snow
Snow
Snow
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
Snow

Precipitation Probability (%)

7
7
9
8
7
10
11
8
0
0
8
11
11
14
13
11
8
5
3
0
0
0
5
6

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-5
-5
-5
-6
-6
-5
-5
-4
-4
-4
-4
-4
-4
-4
-4
-4
-4
-5
-5
-5
-5
-5
-5

Dew Point (°C)

-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-3
-3
-3
-3
-3

Relative Humidity (%)

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

Pressure (mb)

1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1011
1012
1012
1012
1013
1013
1014
1014
1014
1015
1015
1015
1015

Ozone (du)

429
430
431
434
437
441
445
450
454
458
462
465
467
468
468
470
471
471
472
472
472
473
474
474

Forecast for Bourn, Cambridgeshire, UK (52.20,-0.05)

Generated: 19/01/19 04:03:10. Forecast: 19/01/19 to 25/01/19. Timezone: UTC+0.00