Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 18

Waxing Gibbous 92%

13:56

05:14

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: 08:13, Set: 16:36, Transit: 12:24. Moon - Rise: 13:56, Set: 05:14. Civil Dark: 17:15 - 07:34. Nautical Dark: 17:57 - 06:52. Astro Dark: 18:37 - 06:11

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

1
2
6
13
10
40
20
23
99
95
98
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

100
100
99
91
98
100
100
100
100
100
98
59
10
21
27
35
22
28
36
39
41
37
38
16

High Clouds (% Sky Obscured)

100
100
100
99
96
82
97
95
86
63
63
14
5
0
2
17
19
9
12
20
9
2
1
17

ISS Passover

Visibility (miles)

10
10
10
10
10
10
5
1
0
0
1
4
7
9
10
10
9
6
2
0
1
4
5
5

Fog (%)

-
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
100
100

Precipitation Type

None
None
None
None
None
Snow
Snow
Snow
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

Precipitation Probability (%)

0
0
0
0
0
12
25
46
53
42
37
42
43
47
46
44
47
48
45
42
39
35
28
22

Precipitation Amount (mm)

0
0
0
0
0
0.07
0.37
0.7
0.66
0.45
0.31
0.28
0.29
0.28
0.25
0.24
0.27
0.29
0.29
0.27
0.2
0.13
0.09
0.06

Wind Speed/Direction (mph)

7
9
10
11
12
13
14
15
17
18
19
19
19
18
16
15
13
11
9
8
7
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
78
77
76
76
78
81
84
87
91
94
95
95
93
89
89
89
89
90
91
92
92
93
93

Pressure (mb)

1017
1016
1016
1015
1014
1013
1013
1012
1011
1011
1010
1009
1009
1008
1008
1007
1007
1007
1007
1007
1007
1006
1006
1006

Ozone (du)

349
351
353
354
356
356
357
357
357
358
359
359
360
360
360
361
361
360
360
359
358
358
358
358

Saturday 19

Waxing Gibbous 98%

14:47

06:26

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: 08:12, Set: 16:38, Transit: 12:25. Moon - Rise: 14:47, Set: 06:26. Civil Dark: 17:16 - 07:33. Nautical Dark: 17:58 - 06:51. Astro Dark: 18:39 - 06:10

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

36
90
98
98
97
86
84
63
37
23
16
5
11
16
12
11
31
39
43
48
49
46
35
45

High Clouds (% Sky Obscured)

31
84
91
75
52
38
3
1
2
2
4
0
0
0
0
0
0
0
0
0
0
0
0
1

ISS Passover

Visibility (miles)

4
4
4
5
5
4
2
2
4
7
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Fog (%)

100
100
100
0
0
0
0
0
0
0
0
0
0
0
0
0
0
100
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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

18
16
17
25
28
24
17
14
13
15
16
18
20
19
16
14
12
10
9
9
9
9
10
12

Precipitation Amount (mm)

0.04
0.04
0.04
0.12
0.19
0.14
0.06
0.02
0.01
0.01
0.02
0.03
0.04
0.04
0.04
0.03
0.03
0.02
0.02
0.02
0.02
0.03
0.03
0.03

Wind Speed/Direction (mph)

8
8
7
7
6
5
4
4
4
4
5
4
4
4
4
4
3
3
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
93
92
92
92
93
95
95
95
94
92
89
88
90
93
94
94
94
93
93
93
93
94

Pressure (mb)

1005
1005
1005
1004
1004
1004
1004
1005
1005
1005
1005
1005
1005
1005
1005
1006
1007
1007
1008
1009
1009
1010
1010
1011

Ozone (du)

360
361
362
363
364
364
364
364
364
364
363
362
361
359
357
355
353
352
351
350
350
351
351
351

Sunday 20

Waxing Gibbous 100%

15:53

07:31

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 OK
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 OK
01 OK

Sun - Rise: 08:10, Set: 16:39, Transit: 12:25. Moon - Rise: 15:53, Set: 07:31. Civil Dark: 17:18 - 07:32. Nautical Dark: 18:00 - 06:50. Astro Dark: 18:40 - 06:10

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
91
90
88
33
62
95
95
95
95
95
95
25
25

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
89
86
82
23
61
95
95
95
95
95
95
0
0

Medium Clouds (% Sky Obscured)

55
59
31
16
9
2
1
1
0
0
0
0
3
12
2
2
63
63
63
63
63
63
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
5
20
12
19
31
34
13
0
0
0
0
0
0
0
24
24

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

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

Precipitation Probability (%)

13
16
15
17
16
12
9
4
0
0
0
0
7
7
7
6
5
5
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
92
92
92
92
93
95
94
93
94
92
91
88
88
88
90
90
91
91
91
90
89
89

Pressure (mb)

1011
1012
1013
1013
1014
1015
1016
1016
1017
1018
1018
1019
1019
1019
1020
1021
1022
1023
1024
1025
1025
1026
1026
1027

Ozone (du)

350
349
347
344
342
341
341
341
340
340
340
340
339
339
339
339
339
340
341
342
342
341
340
339

Monday 21

Full Moon 99%

17:09

08:24

02 OK
03 OK
04 OK
05 OK
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: 08:09, Set: 16:41, Transit: 12:25. Moon - Rise: 17:09, Set: 08:24. Civil Dark: 17:19 - 07:31. Nautical Dark: 18:01 - 06:49. Astro Dark: 18:42 - 06:09

Total Clouds (% Sky Obscured)

25
25
25
25
85
85
85
85
85
85
81
81
81
81
81
81
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
4
4
4
4
4
4
22
22
22
22
22
22
72
72
72
72
72
72
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
40
40
40
40
40
40
73
73
73
73
73
73
89
89
89
89
89
89
100
100

High Clouds (% Sky Obscured)

24
24
24
24
76
76
76
76
76
76
16
16
16
16
16
16
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
9
8
6
5
3
2
0
0
0
0
4

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
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
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
16
22
21
18
26
55
72
73
61
52
48
46

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.02
0.03
0.03
0.03
0.06
0.28
0.87
1.36
1.17
0.76
0.57
0.66

Wind Speed/Direction (mph)

7
6
6
5
5
4
4
4
4
6
7
6
7
8
10
12
13
14
15
16
16
16
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
88
87
85
85
85
86
86
84
82
83
78
80
82
85
86
88
88
88
88
87
87
88
89

Pressure (mb)

1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1025
1024
1022
1021
1019
1018
1016
1015
1013
1012
1011
1010
1010
1009

Ozone (du)

338
336
336
336
336
336
337
337
338
339
339
339
338
339
343
348
354
362
371
382
399
419
433
439

Tuesday 22

Waning Gibbous 98%

18:33

09:07

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: 08:08, Set: 16:43, Transit: 12:25. Moon - Rise: 18:33, Set: 09:07. Civil Dark: 17:21 - 07:30. Nautical Dark: 18:03 - 06:48. Astro Dark: 18:43 - 06:08

Total Clouds (% Sky Obscured)

100
100
100
100
85
85
85
85
85
85
37
37
37
37
37
37
44
44
44
44
44
44
98
98

Low Clouds (% Sky Obscured)

100
100
100
100
80
80
80
80
80
80
31
31
31
31
31
31
43
43
43
43
43
43
98
98

Medium Clouds (% Sky Obscured)

100
100
100
100
38
38
38
38
38
38
21
21
21
21
21
21
3
3
3
3
3
3
34
34

High Clouds (% Sky Obscured)

100
100
100
100
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
10
9
6
4
2
1
1
1
1
1
2
2
3
3
3
4
5
6
7
7
6
5
4

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
Snow
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

42
40
39
37
34
39
41
34
29
27
32
33
28
28
25
21
21
19
19
16
14
14
11
10

Precipitation Amount (mm)

0.93
1.02
0.57
0.16
0.13
0.21
0.29
0.33
0.28
0.25
0.26
0.22
0.16
0.13
0.1
0.09
0.08
0.06
0.05
0.04
0.04
0.04
0.05
0.06

Wind Speed/Direction (mph)

16
16
15
14
13
12
11
11
11
12
13
13
13
12
12
11
10
10
10
10
10
10
10
10

Chance of Frost

Temperature (°C)

1
1
2
2
2
2
1
1
2
3
3
3
3
3
2
2
1
1
1
2
1
1
1
1

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

439
440
441
442
445
450
456
460
463
463
461
455
445
437
430
423
419
418
418
420
422
426
428
427

Wednesday 23

Waning Gibbous 95%

19:58

09:41

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: 08:07, Set: 16:44, Transit: 12:26. Moon - Rise: 19:58, Set: 09:41. Civil Dark: 17:23 - 07:29. Nautical Dark: 18:04 - 06:47. Astro Dark: 18:44 - 06:07

Total Clouds (% Sky Obscured)

98
98
98
98
52
52
52
52
52
52
59
59
59
59
59
59
89
89
89
89
89
89
97
97

Low Clouds (% Sky Obscured)

98
98
98
98
50
50
50
50
50
50
56
56
56
56
56
56
59
59
59
59
59
59
96
96

Medium Clouds (% Sky Obscured)

34
34
34
34
6
6
6
6
6
6
14
14
14
14
14
14
85
85
85
85
85
85
51
51

High Clouds (% Sky Obscured)

0
0
0
0
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

3
2
2
2
2
2
3
3
4
4
5
7
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
Snow
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
Snow
Snow
Snow

Precipitation Probability (%)

12
15
17
17
17
14
13
12
12
13
13
14
15
17
16
6
5
4
5
4
4
6
8
7

Precipitation Amount (mm)

0.07
0.09
0.11
0.14
0.15
0.12
0.09
0.06
0.04
0.02
0.01
0.01
0.02
0.03
0.02
0.02
0.02
0.01
0.01
0.02
0.04
0.07
0.11
0.11

Wind Speed/Direction (mph)

9
9
9
9
9
9
8
8
7
7
7
6
5
4
3
3
2
3
3
3
4
6
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
86
85
85
84
83
84
84
84
85
85
86
87
89
88
88
88
87
87
86
86
86
86
87

Pressure (mb)

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

Ozone (du)

424
422
419
417
415
415
415
416
415
414
414
415
417
418
421
424
427
430
432
434
435
435
436
438

Thursday 24

Waning Gibbous 88%

21:22

10:08

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: 08:06, Set: 16:46, Transit: 12:26. Moon - Rise: 21:22, Set: 10:08. Civil Dark: 17:24 - 07:28. Nautical Dark: 18:06 - 06:46. Astro Dark: 18:46 - 06:06

Total Clouds (% Sky Obscured)

97
97
97
97
91
91
91
91
91
91
98
98
98
98
98
98
56
56
56
56
56
56
67
67

Low Clouds (% Sky Obscured)

96
96
96
96
91
91
91
91
91
91
68
68
68
68
68
68
46
46
46
46
46
46
67
67

Medium Clouds (% Sky Obscured)

51
51
51
51
1
1
1
1
1
1
76
76
76
76
76
76
23
23
23
23
23
23
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
92
92
92
92
92
92
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
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
None
None
None

Precipitation Probability (%)

6
7
10
16
16
11
7
6
9
12
14
13
11
9
8
6
5
4
3
3
3
3
4
4

Precipitation Amount (mm)

0.1
0.09
0.09
0.1
0.09
0.06
0.03
0.02
0.02
0.03
0.04
0.03
0.02
0.02
0.02
0.01
0.02
0.02
0.02
0.02
0.02
0.02
0.02
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

2
2
3
3
4
4
3
3
4
5
6
6
6
6
5
5
4
4
4
4
3
3
3
3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
87
87
88
89
91
91
90
88
87
87
87
87
89
88
88
87
86
86
86
86
87
87

Pressure (mb)

1010
1011
1011
1011
1012
1013
1013
1014
1015
1015
1016
1016
1016
1017
1017
1018
1018
1019
1019
1020
1020
1020
1020
1020

Ozone (du)

440
443
446
448
448
443
436
430
428
428
428
429
431
432
433
433
433
432
431
430
429
428
426
425

Forecast for Rhayader, Powys LD6 5HP, UK (52.27,-3.57)

Generated: 18/01/19 02:21:39. Forecast: 18/01/19 to 24/01/19. Timezone: UTC+0.00