Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waning Gibbous 66%

01:58

10:08

00 Bad
01 Bad
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 OK
19 Bad
20 Good
21 OK
22 Good
23 Good

Sun - Rise: 05:49, Set: 20:20, Transit: 13:05. Moon - Rise: 01:58, 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)

9
33
20
73
100
100
100
97
100
100
96
95
61
70
42
41
45
23
20
63
4
23
9
2

Low Clouds (% Sky Obscured)

2
1
6
11
100
100
99
5
11
21
20
94
55
32
31
29
16
17
9
0
2
4
2
1

Medium Clouds (% Sky Obscured)

9
0
4
71
81
96
99
80
100
100
67
16
11
10
25
29
31
18
7
2
0
0
2
2

High Clouds (% Sky Obscured)

0
32
13
0
0
98
98
95
99
100
92
36
11
64
9
5
15
0
11
63
2
20
7
0

ISS Passover

Visibility (miles)

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

Fog (%)

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
None

Precipitation Probability (%)

37
38
32
27
100
97
23
25
27
45
7
81
17
10
11
14
15
14
13
8
4
0
0
0

Precipitation Amount (mm)

0.07
0.18
0.23
0.17
0.24
0.04
0.05
0.06
0.07
0.29
0.02
0.25
0.25
0.06
0.08
0.13
0.16
0.13
0.07
0.02
0.02
0
0
0

Wind Speed/Direction (mph)

8
9
12
15
15
14
14
15
15
14
13
13
13
15
17
16
16
15
15
14
9
8
7
6

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
10
10
10
10
12
13
13
13
14
14
14
14
14
13
13
10
9
8

Feels Like (°C)

10
8
7
7
10
10
10
10
10
10
12
13
13
13
14
14
14
14
14
13
13
8
7
6

Dew Point (°C)

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

Relative Humidity (%)

79
80
86
89
80
81
86
89
88
86
76
72
69
65
62
61
61
61
54
55
57
70
73
76

Pressure (mb)

996
995
995
994
994
993
993
994
994
994
996
996
997
997
998
999
999
1000
1000
1001
1002
1003
1004
1004

Ozone (du)

409
402
399
396
395
393
391
389
389
389
397
398
399
400
401
402
402
402
391
395
396
398
399
400

Friday 26

Third Quarter 57%

02:43

11:05

00 Good
01 Good
02 Good
03 Good
04 Good
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

Sun - Rise: 05:47, Set: 20:22, Transit: 13:04. Moon - Rise: 02:43, Set: 11:05. Civil Dark: 20:59 - 05:10. Nautical Dark: 21:47 - 04:22. Astro Dark: 22:44 - 03:25

Total Clouds (% Sky Obscured)

3
3
6
9
9
15
7
47
86
94
95
100
99
100
100
100
100
92
93
99
100
98
100
100

Low Clouds (% Sky Obscured)

1
3
6
7
7
11
6
4
28
39
55
63
67
95
99
100
99
71
40
75
5
95
100
100

Medium Clouds (% Sky Obscured)

2
2
2
7
6
9
3
2
2
48
26
99
99
100
100
99
72
78
88
96
100
98
91
88

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
45
81
89
89
87
74
4
46
27
53
75
82
92
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
8
6
4
4
7
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
Very Light Rain
Very Light Rain
Very 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

Precipitation Probability (%)

0
0
0
0
2
0
0
0
0
0
0
6
14
23
57
42
21
14
10
8
18
28
41
40

Precipitation Amount (mm)

0
0
0
0
0.01
0
0
0
0
0
0
0.01
0.04
0.1
0.76
0.25
0.05
0.03
0.01
0.01
0.05
0.12
0.25
0.17

Wind Speed/Direction (mph)

6
7
7
7
7
7
7
7
9
11
12
14
15
16
16
16
16
15
14
14
15
18
20
21

Chance of Frost

Temperature (°C)

8
7
7
7
7
7
7
7
9
11
12
13
14
13
12
12
12
12
12
12
11
11
10
10

Feels Like (°C)

6
5
5
5
5
5
5
5
7
11
12
13
14
13
12
12
12
12
12
12
11
11
10
6

Dew Point (°C)

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

Relative Humidity (%)

78
80
82
83
84
86
89
88
84
78
74
69
67
68
72
73
73
71
67
65
68
74
78
77

Pressure (mb)

1005
1005
1006
1006
1006
1006
1007
1007
1008
1008
1008
1009
1009
1009
1009
1009
1009
1009
1010
1009
1009
1009
1008
1007

Ozone (du)

402
403
403
401
399
397
394
392
389
387
385
381
377
373
370
367
366
365
365
367
370
375
381
391

Saturday 27

Waning Crescent 47%

03:20

12:07

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

Sun - Rise: 05:45, Set: 20:23, Transit: 13:04. Moon - Rise: 03:20, Set: 12:07. Civil Dark: 21:01 - 05:08. Nautical Dark: 21:49 - 04:20. Astro Dark: 22:47 - 03:22

Total Clouds (% Sky Obscured)

72
24
7
79
84
95
91
84
83
75
56
92
88
70
48
60
54
77
42
70
34
35
26
4

Low Clouds (% Sky Obscured)

16
3
3
71
60
95
91
82
77
69
48
88
82
56
20
28
47
71
27
51
26
26
16
4

Medium Clouds (% Sky Obscured)

70
23
6
59
73
53
14
32
47
51
45
56
58
61
48
52
44
53
36
66
20
20
16
1

High Clouds (% Sky Obscured)

0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

5
2
4
9
10
10
10
10
10
10
10
10
10
10
10
5
2
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

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

Precipitation Probability (%)

52
24
18
13
23
26
41
45
26
26
29
21
14
12
17
26
29
26
17
12
6
0
0
0

Precipitation Amount (mm)

0.47
0.1
0.06
0.04
0.09
0.11
0.57
1.19
0.46
0.35
0.54
0.43
0.32
0.24
0.37
0.5
0.57
0.4
0.2
0.08
0.03
0
0
0

Wind Speed/Direction (mph)

20
19
22
24
25
25
24
26
27
28
28
28
28
28
27
26
26
24
21
20
18
17
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
5
4
4
3
2
2
2
3
4
5
6
10
11
11
12
12
12
12
12
11
10
6
6

Dew Point (°C)

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

Relative Humidity (%)

74
72
73
74
76
76
75
71
65
61
58
57
56
56
54
53
53
53
53
53
55
57
59
60

Pressure (mb)

1006
1005
1004
1004
1003
1002
1002
1002
1003
1005
1007
1008
1010
1011
1013
1014
1014
1015
1016
1017
1017
1018
1019
1019

Ozone (du)

403
411
410
406
402
401
402
403
405
408
410
412
414
414
414
414
414
415
416
417
414
410
407
403

Sunday 28

Waning Crescent 37%

03:50

13:11

00 Good
01 Good
02 OK
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

Sun - Rise: 05:43, Set: 20:25, Transit: 13:04. Moon - Rise: 03:50, Set: 13:11. Civil Dark: 21:03 - 05:06. Nautical Dark: 21:51 - 04:17. Astro Dark: 22:50 - 03:18

Total Clouds (% Sky Obscured)

4
5
24
91
96
92
99
97
88
62
51
79
96
95
98
100
100
94
98
86
86
86
86
86

Low Clouds (% Sky Obscured)

3
3
5
9
57
85
18
24
27
23
36
79
81
91
94
100
100
89
95
36
36
36
36
36

Medium Clouds (% Sky Obscured)

1
2
23
91
95
84
9
37
63
39
20
8
6
3
2
81
75
60
45
3
3
3
3
3

High Clouds (% Sky Obscured)

0
0
0
0
1
31
99
95
79
41
22
0
66
84
79
59
30
41
76
79
79
79
79
79

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
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

Precipitation Probability (%)

0
0
0
0
0
2
3
5
6
6
6
7
9
10
15
16
16
19
18
13
11
8
6
4

Precipitation Amount (mm)

0
0
0
0
0
0.01
0.02
0.03
0.05
0.07
0.09
0.11
0.18
0.2
0.28
0.25
0.22
0.17
0.12
0.09
0.07
0.06
0.06
0.06

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
9
8
8
8
7
7
7
8
10
11
11
12
12
13
14
14
14
14
14
13
11
10
10

Feels Like (°C)

5
5
5
5
4
4
4
4
6
7
11
11
12
12
13
14
14
14
14
14
13
11
10
9

Dew Point (°C)

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

Relative Humidity (%)

62
63
64
65
67
71
74
75
72
70
69
69
71
71
69
69
70
70
73
74
78
80
82
84

Pressure (mb)

1020
1020
1020
1021
1021
1021
1022
1022
1023
1023
1023
1023
1023
1023
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021

Ozone (du)

400
397
394
390
386
383
381
378
376
374
372
370
368
367
364
362
361
360
359
360
362
365
367
365

Monday 29

Waning Crescent 28%

04:15

14:16

00 Bad
01 Bad
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

Sun - Rise: 05:41, Set: 20:27, Transit: 13:04. Moon - Rise: 04:15, Set: 14:16. Civil Dark: 21:05 - 05:03. Nautical Dark: 21:53 - 04:14. Astro Dark: 22:53 - 03:15

Total Clouds (% Sky Obscured)

86
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)

36
0
0
0
0
0
0
2
2
2
2
2
2
73
73
73
73
73
73
6
6
6
6
6

Medium Clouds (% Sky Obscured)

3
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

79
88
88
88
88
88
88
95
95
95
95
95
95
93
93
93
93
93
93
52
52
52
52
52

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
6
4
2
3
6
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
Very Light Rain
Very Light Rain
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
None

Precipitation Probability (%)

4
3
4
4
5
5
6
6
6
7
7
6
0
0
5
11
23
31
36
36
28
17
6
3

Precipitation Amount (mm)

0.07
0.08
0.08
0.08
0.07
0.06
0.05
0.05
0.04
0.03
0.02
0.01
0
0
0.02
0.08
0.17
0.21
0.24
0.23
0.18
0.1
0.05
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
7
7
7
7
7
7
8
8
10
11
13
14
15
15
15
14
14
13
12
11
10
7

Dew Point (°C)

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

Relative Humidity (%)

85
86
87
87
88
90
91
91
90
88
84
79
74
68
65
64
65
69
73
76
77
79
80
82

Pressure (mb)

1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1022
1022

Ozone (du)

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

Tuesday 30

Waning Crescent 20%

04:36

15:22

00 Bad
01 Bad
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

Sun - Rise: 05:39, Set: 20:28, Transit: 13:04. Moon - Rise: 04:36, Set: 15:22. Civil Dark: 21:06 - 05:01. Nautical Dark: 21:56 - 04:12. Astro Dark: 22:57 - 03:11

Total Clouds (% Sky Obscured)

100
81
81
81
81
81
81
89
89
89
89
89
89
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

6
81
81
81
81
81
81
9
9
9
9
9
9
34
34
34
34
34
34
49
49
49
49
49

Medium Clouds (% Sky Obscured)

100
46
46
46
46
46
46
9
9
9
9
9
9
95
95
95
95
95
95
96
96
96
96
96

High Clouds (% Sky Obscured)

52
0
0
0
0
0
0
88
88
88
88
88
88
99
99
99
99
99
99
99
99
99
99
99

ISS Passover

Visibility (miles)

10
8
10
10
10
10
10
10
10
10
10
10
9
7
9
10
10
10
7
4
7
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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

2
0
0
0
0
0
0
0
0
0
0
0
4
4
5
5
5
4
3
0
0
4
8
9

Precipitation Amount (mm)

0.01
0
0
0
0
0
0
0
0
0
0
0
0.02
0.04
0.07
0.09
0.09
0.05
0.01
0
0
0.02
0.04
0.04

Wind Speed/Direction (mph)

8
8
8
8
9
9
9
10
11
12
13
13
14
14
14
14
13
12
10
8
8
9
10
10

Chance of Frost

Temperature (°C)

9
8
8
7
6
6
6
7
8
11
13
15
16
17
18
18
18
17
16
15
14
14
13
12

Feels Like (°C)

7
6
5
4
3
3
3
4
6
11
13
15
16
17
18
18
18
17
16
15
14
14
13
12

Dew Point (°C)

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

Relative Humidity (%)

82
83
83
83
85
86
87
87
84
78
73
68
64
58
54
51
50
52
54
56
58
60
62
65

Pressure (mb)

1022
1022
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1019
1019
1018
1018
1018
1018
1018
1018

Ozone (du)

361
362
363
365
366
366
366
366
365
363
362
362
362
363
365
367
369
369
368
367
367
367
367
366

Wednesday 1

Waning Crescent 13%

04:55

16:29

00 Bad
01 Bad
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

Sun - Rise: 05:37, Set: 20:30, Transit: 13:04. Moon - Rise: 04:55, Set: 16:29. Civil Dark: 21:08 - 04:59. Nautical Dark: 21:58 - 04:09. Astro Dark: 23:00 - 03:07

Total Clouds (% Sky Obscured)

100
93
93
93
93
93
93
100
100
100
100
100
100
96
96
96
96
96
96
90
90
90
90
90

Low Clouds (% Sky Obscured)

49
66
66
66
66
66
66
100
100
100
100
100
100
95
95
95
95
95
95
43
43
43
43
43

Medium Clouds (% Sky Obscured)

96
87
87
87
87
87
87
98
98
98
98
98
98
1
1
1
1
1
1
41
41
41
41
41

High Clouds (% Sky Obscured)

99
0
0
0
0
0
0
70
70
70
70
70
70
6
6
6
6
6
6
82
82
82
82
82

ISS Passover

Visibility (miles)

10
10
10
5
2
1
1
2
4
5
7
9
10
10
10
8
7
6
6
7
9
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
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
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

10
12
18
30
42
47
43
41
35
31
27
18
11
7
10
18
23
25
25
22
16
6
2
0

Precipitation Amount (mm)

0.03
0.05
0.14
0.37
0.61
0.69
0.69
0.65
0.55
0.42
0.31
0.2
0.11
0.08
0.12
0.24
0.37
0.41
0.41
0.34
0.19
0.05
0.01
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
68
71
73
76
77
78
78
77
76
74
74
73
71
67
64
62
62
62
63
64
66
69
72

Pressure (mb)

1018
1018
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1014
1015
1015

Ozone (du)

363
362
361
360
360
362
364
366
368
369
369
367
364
361
359
358
357
357
358
360
361
364
366
370

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

Generated: 25/04/19 21:42:26. Forecast: 25/04/19 to 01/05/19. Timezone: UTC+1.00