Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 23

Waning Gibbous 84%

01:13

08:54

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

Sun - Rise: 06:11, Set: 20:28, Transit: 13:20. Moon - Rise: 01:13, Set: 08:54. Civil Dark: 21:04 - 05:36. Nautical Dark: 21:48 - 04:51. Astro Dark: 22:40 - 04:00

Total Clouds (% Sky Obscured)

91
89
59
5
2
2
2
1
4
0
2
14
81
100
100
93
100
91
78
96
95
98
97
99

Low Clouds (% Sky Obscured)

0
68
46
2
1
1
0
0
0
0
0
0
2
0
0
0
0
0
1
13
58
20
2
95

Medium Clouds (% Sky Obscured)

91
86
52
5
0
0
0
0
4
0
2
6
18
88
100
77
99
59
74
56
82
83
43
39

High Clouds (% Sky Obscured)

0
0
0
0
1
2
2
1
0
0
0
10
78
99
99
89
79
84
36
94
70
95
96
96

ISS Passover

Visibility (miles)

5
6
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

Precipitation Type

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

Precipitation Probability (%)

71
4
0
0
4
3
0
0
0
5
6
6
0
0
5
8
12
19
29
33
32
28
24
23

Precipitation Amount (mm)

0.17
0.01
0
0
0.01
0.01
0
0
0
0.01
0.01
0.01
0
0
0.01
0.03
0.08
0.21
0.49
0.7
0.58
0.34
0.21
0.17

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
13
13
13
13
13
13
14
14
14
14
14
15
15
15
14
14
13
13
13
13
12
12

Feels Like (°C)

13
13
13
13
13
13
13
13
14
14
14
14
14
15
15
15
14
14
13
13
13
13
12
12

Dew Point (°C)

10
10
10
10
10
10
11
11
11
11
11
11
10
10
10
11
11
11
11
11
11
11
11
11

Relative Humidity (%)

83
83
84
85
85
85
85
84
83
83
81
79
77
76
75
78
81
83
85
88
89
91
93
94

Pressure (mb)

996
995
995
995
995
995
995
995
995
995
994
994
994
993
993
993
992
992
993
992
992
992
991
991

Ozone (du)

387
387
384
381
380
381
385
388
389
390
390
388
386
384
383
383
382
380
378
377
377
377
378
379

Wednesday 24

Waning Gibbous 76%

02:07

09:38

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 Bad
21 Bad
22 OK
23 OK
00 Bad
01 Bad
02 Bad

Sun - Rise: 06:09, Set: 20:30, Transit: 13:20. Moon - Rise: 02:07, Set: 09:38. Civil Dark: 21:05 - 05:34. Nautical Dark: 21:50 - 04:49. Astro Dark: 22:42 - 03:57

Total Clouds (% Sky Obscured)

99
100
99
100
100
100
100
99
100
100
99
99
97
67
56
52
21
37
40
26
10
77
100
99

Low Clouds (% Sky Obscured)

63
19
8
3
85
77
0
1
3
41
15
21
6
13
22
15
13
13
25
15
9
13
9
93

Medium Clouds (% Sky Obscured)

47
98
91
98
100
100
100
98
100
100
98
73
56
38
10
8
14
32
25
19
6
13
100
93

High Clouds (% Sky Obscured)

98
98
97
98
97
98
94
97
99
100
60
98
95
45
43
42
1
0
7
3
0
73
100
88

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

25
30
39
50
52
50
48
44
43
40
35
28
24
23
21
19
17
13
10
4
15
32
41
34

Precipitation Amount (mm)

0.19
0.24
0.27
0.3
0.34
0.37
0.41
0.41
0.33
0.24
0.18
0.14
0.15
0.17
0.14
0.1
0.08
0.04
0.03
0.03
0.08
0.26
0.42
0.28

Wind Speed/Direction (mph)

9
9
9
10
10
11
12
13
15
17
19
19
19
19
19
19
19
20
20
20
20
21
21
22

Chance of Frost

Temperature (°C)

12
12
11
11
11
11
11
11
11
11
11
12
12
12
12
11
11
11
11
11
11
11
11
10

Feels Like (°C)

12
12
11
11
11
11
11
11
11
11
11
12
12
12
12
11
11
11
11
11
11
11
11
10

Dew Point (°C)

11
11
11
10
10
10
10
9
9
9
9
9
9
9
9
9
9
8
8
8
8
8
8
8

Relative Humidity (%)

95
95
96
97
97
95
92
89
89
89
88
85
83
81
82
84
85
84
82
82
82
83
84
85

Pressure (mb)

990
990
989
989
989
989
989
989
989
989
989
990
990
990
990
990
990
989
989
988
988
987
987
987

Ozone (du)

379
380
381
383
384
384
385
386
390
394
398
402
406
408
408
406
402
397
390
386
387
390
393
396

Thursday 25

Waning Gibbous 66%

02:52

10:30

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
02 Bad

Sun - Rise: 06:07, Set: 20:31, Transit: 13:19. Moon - Rise: 02:52, Set: 10:30. Civil Dark: 21:07 - 05:32. Nautical Dark: 21:52 - 04:46. Astro Dark: 22:45 - 03:54

Total Clouds (% Sky Obscured)

100
98
80
36
59
48
59
65
56
55
44
56
50
49
34
27
23
23
23
23
23
23
32
32

Low Clouds (% Sky Obscured)

99
56
37
18
38
20
24
38
24
21
25
20
23
31
24
24
19
19
19
19
19
19
8
8

Medium Clouds (% Sky Obscured)

98
91
43
31
22
16
16
7
16
11
18
19
13
23
27
16
6
6
6
6
6
6
11
11

High Clouds (% Sky Obscured)

24
77
70
2
40
34
45
47
43
41
27
42
36
23
0
0
2
2
2
2
2
2
23
23

ISS Passover

Visibility (miles)

10
10
10
10
10
10
9
9
9
10
10
10
9
8
8
9
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
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

Precipitation Probability (%)

19
13
12
12
14
16
20
23
26
27
29
34
41
48
50
49
46
43
40
43
45
45
41
31

Precipitation Amount (mm)

0.1
0.05
0.03
0.03
0.05
0.09
0.18
0.27
0.3
0.3
0.32
0.35
0.42
0.49
0.56
0.67
0.68
0.42
0.22
0.23
0.27
0.29
0.3
0.24

Wind Speed/Direction (mph)

23
24
23
22
21
20
19
19
20
21
22
23
24
24
23
22
21
20
19
18
17
18
19
20

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
11
11
11
11
11
11
11
10
10
10
11
11
10
10
10
11
11
11

Feels Like (°C)

10
6
6
6
10
10
11
11
11
11
11
11
11
10
10
10
11
11
10
10
10
11
11
11

Dew Point (°C)

8
8
7
7
7
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8

Relative Humidity (%)

86
85
85
84
84
83
83
82
80
80
80
81
83
85
85
85
86
86
86
87
86
85
84
82

Pressure (mb)

987
988
988
988
989
989
990
990
991
991
992
992
993
993
994
994
995
995
996
997
997
998
999
1000

Ozone (du)

400
402
401
399
397
397
397
397
396
396
395
394
392
391
393
397
400
402
405
405
402
397
394
394

Friday 26

Third Quarter 57%

No Rise

11:27

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

Sun - Rise: 06:06, Set: 20:33, Transit: 13:19. Moon - Rise: No Rise, Set: 11:27. Civil Dark: 21:09 - 05:30. Nautical Dark: 21:54 - 04:44. Astro Dark: 22:48 - 03:51

Total Clouds (% Sky Obscured)

32
32
32
32
100
100
100
100
100
100
20
20
20
20
20
20
88
88
88
88
88
88
48
48

Low Clouds (% Sky Obscured)

8
8
8
8
92
92
92
92
92
92
13
13
13
13
13
13
63
63
63
63
63
63
4
4

Medium Clouds (% Sky Obscured)

11
11
11
11
100
100
100
100
100
100
14
14
14
14
14
14
68
68
68
68
68
68
47
47

High Clouds (% Sky Obscured)

23
23
23
23
98
98
98
98
98
98
0
0
0
0
0
0
65
65
65
65
65
65
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

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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

17
14
13
11
10
6
10
11
11
14
18
16
10
6
5
5
0
10
15
27
38
50
53
51

Precipitation Amount (mm)

0.18
0.15
0.12
0.08
0.06
0.01
0.02
0.04
0.05
0.08
0.11
0.13
0.08
0.04
0.02
0.01
0
0.02
0.08
0.18
0.31
0.46
0.51
0.38

Wind Speed/Direction (mph)

20
22
22
23
23
21
21
22
23
25
27
28
27
26
25
24
23
21
21
20
21
23
24
24

Chance of Frost

Temperature (°C)

11
11
10
10
10
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
10
11
11

Feels Like (°C)

11
11
10
10
10
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
11
10
11
11

Dew Point (°C)

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

Relative Humidity (%)

82
81
81
81
80
78
75
73
74
76
77
74
72
70
69
68
69
70
72
74
78
82
85
87

Pressure (mb)

1001
1002
1003
1004
1005
1006
1007
1008
1009
1011
1012
1013
1014
1015
1015
1016
1017
1018
1018
1018
1018
1018
1017
1017

Ozone (du)

396
396
392
388
384
382
380
381
382
385
388
394
402
406
405
401
397
394
392
390
388
387
386
386

Saturday 27

Waning Crescent 47%

03:30

12:27

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 OK
02 OK

Sun - Rise: 06:04, Set: 20:34, Transit: 13:19. Moon - Rise: 03:30, Set: 12:27. Civil Dark: 21:11 - 05:28. Nautical Dark: 21:56 - 04:42. Astro Dark: 22:50 - 03:48

Total Clouds (% Sky Obscured)

48
48
48
48
49
49
49
49
49
49
71
71
71
71
71
71
95
95
95
95
95
95
22
22

Low Clouds (% Sky Obscured)

4
4
4
4
25
25
25
25
25
25
26
26
26
26
26
26
10
10
10
10
10
10
9
9

Medium Clouds (% Sky Obscured)

47
47
47
47
45
45
45
45
45
45
64
64
64
64
64
64
95
95
95
95
95
95
5
5

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
13
13

ISS Passover

Visibility (miles)

10
9
8
7
7
9
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
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

33
25
22
17
13
11
7
3
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.27
0.27
0.23
0.15
0.1
0.07
0.06
0.04
0.02
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

23
22
21
21
20
19
17
16
16
16
16
16
15
15
14
13
12
11
9
9
9
9
10
11

Chance of Frost

Temperature (°C)

11
12
12
11
11
12
12
12
12
12
12
12
12
12
12
12
12
11
11
11
11
11
11
11

Feels Like (°C)

11
12
12
11
11
12
12
12
12
12
12
12
12
12
12
12
12
11
11
11
11
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

89
89
89
87
85
82
79
76
75
74
72
70
68
67
66
66
67
69
71
73
76
79
81
83

Pressure (mb)

1016
1016
1017
1017
1018
1019
1020
1021
1022
1023
1024
1024
1025
1025
1025
1026
1026
1026
1027
1027
1028
1028
1027
1027

Ozone (du)

386
386
387
387
387
385
382
379
377
376
373
369
364
359
357
355
353
350
347
345
344
343
342
338

Sunday 28

Waning Crescent 37%

04:00

13:31

03 OK
04 OK
05 OK
06 OK
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

Sun - Rise: 06:02, Set: 20:36, Transit: 13:19. Moon - Rise: 04:00, Set: 13:31. Civil Dark: 21:12 - 05:26. Nautical Dark: 21:58 - 04:39. Astro Dark: 22:53 - 03:45

Total Clouds (% Sky Obscured)

22
22
22
22
99
99
99
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

9
9
9
9
90
90
90
90
90
90
100
100
100
100
100
100
55
55
55
55
55
55
100
100

Medium Clouds (% Sky Obscured)

5
5
5
5
90
90
90
90
90
90
100
100
100
100
100
100
99
99
99
99
99
99
84
84

High Clouds (% Sky Obscured)

13
13
13
13
87
87
87
87
87
87
95
95
95
95
95
95
100
100
100
100
100
100
92
92

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 (%)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
11
11
12
12
12
13
12
12
13
13
14
14
14
13
13
12
12
12
12
12
12
12

Feels Like (°C)

11
11
11
11
12
12
12
13
12
12
13
13
14
14
14
13
13
12
12
12
12
12
12
12

Dew Point (°C)

8
9
9
9
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10

Relative Humidity (%)

85
86
87
88
88
87
86
84
86
85
84
81
79
77
78
81
83
85
86
87
88
88
88
88

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1024
1024
1023
1022
1022
1021
1021
1021
1020
1019
1019
1018

Ozone (du)

333
328
327
326
324
321
317
314
312
312
311
310
308
307
307
306
306
306
305
305
306
306
307
307

Monday 29

Waning Crescent 28%

04:26

14:35

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 OK
02 OK

Sun - Rise: 06:00, Set: 20:38, Transit: 13:19. Moon - Rise: 04:26, Set: 14:35. Civil Dark: 21:14 - 05:24. Nautical Dark: 22:01 - 04:37. Astro Dark: 22:56 - 03:42

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
30
30

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
63
63
63
63
63
63
100
100
100
100
100
100
29
29

Medium Clouds (% Sky Obscured)

84
84
84
84
16
16
16
16
16
16
100
100
100
100
100
100
99
99
99
99
99
99
11
11

High Clouds (% Sky Obscured)

92
92
92
92
98
98
98
98
98
98
100
100
100
100
100
100
100
100
100
100
100
100
0
0

ISS Passover

Visibility (miles)

10
10
10
9
6
6
7
8
10
10
10
10
6
3
3
5
7
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

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

Precipitation Probability (%)

5
9
26
59
71
64
44
35
33
33
33
21
20
32
40
46
49
44
22
9
8
10
10
7

Precipitation Amount (mm)

0.01
0.03
0.1
0.26
0.43
0.55
0.64
0.63
0.47
0.29
0.19
0.09
0.1
0.21
0.35
0.5
0.52
0.32
0.1
0.02
0.02
0.06
0.08
0.06

Wind Speed/Direction (mph)

16
16
16
17
18
19
20
21
21
21
21
20
19
24
23
22
23
22
22
22
22
21
20
19

Chance of Frost

Temperature (°C)

12
12
12
12
12
12
11
11
11
11
11
11
11
11
11
11
11
11
12
12
12
11
11
11

Feels Like (°C)

12
12
12
12
12
12
11
11
11
11
11
11
11
11
11
11
11
11
12
12
12
11
11
11

Dew Point (°C)

10
10
10
10
10
9
9
8
8
8
8
7
7
7
7
7
7
7
7
7
7
7
7
7

Relative Humidity (%)

88
88
89
89
89
86
82
80
80
80
79
78
77
78
78
77
77
74
72
71
73
75
76
77

Pressure (mb)

1016
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1016
1016
1016

Ozone (du)

306
307
312
318
326
335
345
353
359
364
366
366
363
359
352
344
338
335
333
333
334
336
338
339

Forecast for United Kingdom (50.22,-5.48)

Generated: 23/04/19 03:00:53. Forecast: 23/04/19 to 29/04/19. Timezone: UTC+1.00