Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

Full Moon 99%

20:13

06:33

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

Sun - Rise: 06:01, Set: 20:10, Transit: 13:06. Moon - Rise: 20:13, Set: 06:33. Civil Dark: 20:46 - 05:25. Nautical Dark: 21:31 - 04:40. Astro Dark: 22:23 - 03:48

Total Clouds (% Sky Obscured)

38
50
25
27
52
1
9
26
67
57
66
95
82
69
94
42
0
0
31
37
52
7
5
64

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
3
17
13
1
0
0
0
0
0
0
0
0

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
0
0

High Clouds (% Sky Obscured)

38
50
25
27
52
1
9
26
67
57
66
95
82
63
92
42
0
0
31
37
52
7
5
64

ISS Passover

Visibility (miles)

6
7
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

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)

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

Chance of Frost

Temperature (°C)

11
10
8
8
8
10
12
15
17
19
20
21
21
22
23
22
21
19
17
15
13
12
11
10

Feels Like (°C)

11
9
7
5
5
7
12
15
17
19
20
21
21
22
23
22
21
19
17
15
13
12
11
10

Dew Point (°C)

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

Relative Humidity (%)

67
71
77
82
83
81
74
69
65
62
60
56
53
51
46
47
50
52
56
58
61
65
68
71

Pressure (mb)

1027
1027
1027
1028
1028
1028
1029
1029
1029
1029
1029
1029
1029
1029
1029
1029
1030
1030
1031
1031
1032
1032
1032
1032

Ozone (du)

355
356
357
358
358
359
358
359
360
362
363
364
364
364
362
360
359
359
359
359
359
360
359
358

Saturday 20

Waning Gibbous 97%

21:32

06:58

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

Sun - Rise: 05:59, Set: 20:12, Transit: 13:05. Moon - Rise: 21:32, Set: 06:58. Civil Dark: 20:48 - 05:23. Nautical Dark: 21:34 - 04:37. Astro Dark: 22:26 - 03:45

Total Clouds (% Sky Obscured)

68
9
2
49
37
31
26
29
32
25
26
0
6
10
9
10
2
0
1
3
6
9
10
8

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
6
10
9
10
2
0
1
3
6
9
10
8

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
0
0

High Clouds (% Sky Obscured)

68
9
2
49
37
31
26
29
32
25
26
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)

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

Chance of Frost

Temperature (°C)

9
9
8
7
7
9
13
16
18
20
22
23
23
23
23
22
21
19
17
15
14
13
12
11

Feels Like (°C)

8
7
6
5
5
8
13
16
18
20
22
23
23
23
23
22
21
19
17
15
14
13
12
11

Dew Point (°C)

5
5
4
4
4
5
7
8
9
10
10
10
10
10
10
11
11
10
9
8
8
7
6
5

Relative Humidity (%)

73
75
77
79
78
74
67
60
56
52
48
45
43
43
45
48
51
55
60
65
67
67
68
69

Pressure (mb)

1032
1032
1032
1032
1032
1032
1032
1032
1032
1032
1031
1031
1030
1029
1029
1029
1029
1029
1029
1029
1028
1028
1028
1027

Ozone (du)

356
354
353
352
351
350
349
348
347
347
346
346
345
344
343
342
341
340
339
338
338
337
337
337

Sunday 21

Waning Gibbous 95%

22:48

07:24

03 Good
04 Good
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 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good
01 OK
02 OK

Sun - Rise: 05:57, Set: 20:13, Transit: 13:05. Moon - Rise: 22:48, Set: 07:24. Civil Dark: 20:50 - 05:21. Nautical Dark: 21:36 - 04:35. Astro Dark: 22:29 - 03:42

Total Clouds (% Sky Obscured)

5
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
3
3
3
3
3
3
27
27

Low Clouds (% Sky Obscured)

5
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
3
3
3
3
3
3
27
27

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
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
1
1
1
1
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
9
8
7
7
10
13
17
19
20
22
23
23
23
23
22
21
19
17
15
13
12
12
11

Feels Like (°C)

9
8
7
6
7
9
13
17
19
20
22
23
23
23
23
22
21
19
17
15
13
12
12
11

Dew Point (°C)

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

Relative Humidity (%)

70
72
75
78
77
71
62
55
50
45
41
38
37
37
39
42
45
49
54
59
63
66
69
72

Pressure (mb)

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

Ozone (du)

338
339
340
340
341
342
343
344
345
346
347
348
348
348
349
349
349
349
348
348
349
350
351
352

Monday 22

Waning Gibbous 91%

00:00

07:56

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

Sun - Rise: 05:55, Set: 20:15, Transit: 13:05. Moon - Rise: 00:00, Set: 07:56. Civil Dark: 20:52 - 05:19. Nautical Dark: 21:38 - 04:32. Astro Dark: 22:32 - 03:38

Total Clouds (% Sky Obscured)

27
27
27
27
0
0
0
0
0
0
35
35
35
35
35
35
23
23
23
23
23
23
96
96

Low Clouds (% Sky Obscured)

27
27
27
27
0
0
0
0
0
0
3
3
3
3
3
3
2
2
2
2
2
2
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
34
34
34
34
34
34
23
23
23
23
23
23
95
95

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
27
27

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
1
2
1
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
9
8
8
8
10
14
17
19
20
21
23
23
23
22
21
20
19
17
15
14
13
13
12

Feels Like (°C)

9
8
7
6
6
10
14
17
19
20
21
23
23
23
22
21
20
19
17
15
14
13
13
12

Dew Point (°C)

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

Relative Humidity (%)

75
78
81
82
81
76
67
61
57
53
50
43
41
41
43
45
48
51
55
60
63
65
67
69

Pressure (mb)

1012
1011
1010
1010
1009
1009
1008
1007
1007
1006
1005
1005
1004
1003
1003
1002
1002
1002
1002
1002
1002
1001
1001
1001

Ozone (du)

353
356
358
362
365
367
370
370
368
365
362
361
361
361
361
361
361
363
365
366
366
364
363
362

Tuesday 23

Waning Gibbous 84%

01:04

08:33

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: 05:53, Set: 20:17, Transit: 13:05. Moon - Rise: 01:04, Set: 08:33. Civil Dark: 20:53 - 05:16. Nautical Dark: 21:40 - 04:30. Astro Dark: 22:35 - 03:35

Total Clouds (% Sky Obscured)

96
96
96
96
61
61
61
61
61
61
98
98
98
98
98
98
97
97
97
97
97
97
44
44

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
6
6
6
6
6
6
4
4
4
4
4
4
2
2

Medium Clouds (% Sky Obscured)

95
95
95
95
57
57
57
57
57
57
14
14
14
14
14
14
79
79
79
79
79
79
25
25

High Clouds (% Sky Obscured)

27
27
27
27
12
12
12
12
12
12
98
98
98
98
98
98
93
93
93
93
93
93
32
32

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
9
5
2
0
0
1
4
8
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
Very Light Rain
Very Light Rain
Very Light Rain
Very 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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
2
2
4
8
10
12
14
17
18
18
17
13
8
7
8
11
10
8

Precipitation Amount (mm)

0
0
0
0
0
0
0.01
0.02
0.04
0.11
0.19
0.27
0.36
0.44
0.47
0.46
0.4
0.29
0.17
0.1
0.12
0.24
0.33
0.24

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
11
11
12
13
15
17
19
21
22
23
22
22
21
20
20
19
17
15
14
14
14
14

Feels Like (°C)

11
11
11
11
12
13
15
17
19
21
22
23
22
22
21
20
20
19
17
15
14
14
14
14

Dew Point (°C)

6
6
7
7
7
8
9
10
10
11
11
11
11
11
11
10
10
9
9
9
9
9
9
9

Relative Humidity (%)

71
73
74
75
74
70
65
60
57
53
51
49
49
50
52
52
53
56
60
65
68
70
71
72

Pressure (mb)

1000
1000
1000
999
999
999
999
999
999
998
998
998
997
997
997
997
997
997
997
997
997
997
997
996

Ozone (du)

361
361
362
363
364
366
368
370
373
377
380
378
375
373
373
373
374
373
372
371
372
373
375
377

Wednesday 24

Waning Gibbous 76%

01:58

09:17

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

Sun - Rise: 05:51, Set: 20:18, Transit: 13:05. Moon - Rise: 01:58, Set: 09:17. Civil Dark: 20:55 - 05:14. Nautical Dark: 21:42 - 04:27. Astro Dark: 22:38 - 03:32

Total Clouds (% Sky Obscured)

44
44
44
44
100
100
100
100
100
100
46
46
46
46
46
46
27
27
27
27
27
27
84
84

Low Clouds (% Sky Obscured)

2
2
2
2
99
99
99
99
99
99
35
35
35
35
35
35
14
14
14
14
14
14
41
41

Medium Clouds (% Sky Obscured)

25
25
25
25
88
88
88
88
88
88
36
36
36
36
36
36
17
17
17
17
17
17
77
77

High Clouds (% Sky Obscured)

32
32
32
32
95
95
95
95
95
95
6
6
6
6
6
6
8
8
8
8
8
8
9
9

ISS Passover

Visibility (miles)

10
10
10
10
10
10
9
6
5
4
5
6
9
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
Very Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

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

Precipitation Amount (mm)

0.11
0.05
0.03
0.03
0.03
0.03
0.07
0.11
0.09
0.05
0.03
0.02
0.02
0.02
0.02
0.02
0.02
0.02
0.04
0.07
0.07
0.04
0.05
0.11

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
75
77
79
80
80
79
76
72
67
60
54
50
48
49
51
53
56
60
66
72
77
80
81

Pressure (mb)

996
996
996
996
996
996
997
997
998
998
998
998
998
998
997
997
997
997
997
997
997
997
997
997

Ozone (du)

379
380
379
377
377
377
378
380
380
381
382
386
390
393
395
395
395
393
391
389
389
389
388
388

Thursday 25

Waning Gibbous 66%

02:43

10:08

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: 05:49, Set: 20:20, Transit: 13:05. Moon - Rise: 02:43, Set: 10:08. Civil Dark: 20:57 - 05:12. Nautical Dark: 21:44 - 04:25. Astro Dark: 22:41 - 03:28

Total Clouds (% Sky Obscured)

84
84
84
84
56
56
56
56
56
56
63
63
63
63
63
63
61
61
61
61
61
61
98
98

Low Clouds (% Sky Obscured)

41
41
41
41
23
23
23
23
23
23
48
48
48
48
48
48
31
31
31
31
31
31
34
34

Medium Clouds (% Sky Obscured)

77
77
77
77
26
26
26
26
26
26
20
20
20
20
20
20
20
20
20
20
20
20
65
65

High Clouds (% Sky Obscured)

9
9
9
9
38
38
38
38
38
38
27
27
27
27
27
27
41
41
41
41
41
41
95
95

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
7
4
4
6
8
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
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

16
19
16
10
9
7
11
13
12
11
9
7
5
4
5
6
4
2
0
0
0
0
0
3

Precipitation Amount (mm)

0.25
0.33
0.21
0.07
0.01
0.01
0.02
0.04
0.06
0.06
0.06
0.05
0.03
0.02
0.02
0.03
0.04
0.02
0
0
0
0
0
0.06

Wind Speed/Direction (mph)

17
16
17
17
18
18
17
17
16
16
16
15
14
13
12
9
7
6
5
5
3
4
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
80
80
80
80
80
79
78
73
68
61
56
54
54
55
58
59
62
64
66
67
67
67
69

Pressure (mb)

998
998
999
999
999
1000
1001
1001
1002
1002
1003
1003
1003
1003
1004
1004
1005
1005
1006
1006
1007
1007
1008
1008

Ozone (du)

388
388
388
388
388
388
389
390
389
389
389
391
394
395
396
396
395
395
395
394
393
392
392
394

Forecast for Swindon, Wiltshire, UK (51.56,-1.78)

Generated: 19/04/19 03:24:36. Forecast: 19/04/19 to 25/04/19. Timezone: UTC+1.00