Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 23

Waning Gibbous 76%

01:02

09:10

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

Sun - Rise: 05:46, Set: 20:16, Transit: 13:01. Moon - Rise: 01:02, Set: 09:10. Civil Dark: 20:53 - 05:09. Nautical Dark: 21:39 - 04:21. Astro Dark: 22:35 - 03:24

Total Clouds (% Sky Obscured)

98
98
99
98
95
94
88
95
95
96
68
30
67
71
95
97
69
78
98
97
36
48
95
81

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
6
6
0
13
2
8
76
91
23
21
93
77
33
34
16
2

Medium Clouds (% Sky Obscured)

1
3
0
0
0
52
73
85
88
93
68
27
66
51
25
93
22
34
91
81
10
6
20
0

High Clouds (% Sky Obscured)

98
98
99
98
95
90
75
76
62
39
0
0
0
54
70
56
56
66
2
0
0
26
94
81

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
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
0
0
0
0
0
0
0
0
0
8
9
11
14
25
38
34
21
11
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.04
0.08
0.11
0.23
0.33
0.24
0.1
0.04
0.02

Wind Speed/Direction (mph)

6
6
6
7
7
6
5
5
5
5
5
7
8
10
12
15
17
18
18
18
17
16
15
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
58
60
62
64
68
71
73
75
76
75
71
65
63
62
63
65
67
71
73
72
70
68
68

Pressure (mb)

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

Ozone (du)

373
374
374
375
375
376
376
377
381
385
389
390
390
390
389
387
387
388
391
395
401
408
414
415

Wednesday 24

Waning Gibbous 67%

01:57

10:01

21 Bad
22 Bad
23 Good
00 OK
01 Good
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 OK

Sun - Rise: 05:44, Set: 20:17, Transit: 13:01. Moon - Rise: 01:57, Set: 10:01. Civil Dark: 20:55 - 05:06. Nautical Dark: 21:41 - 04:18. Astro Dark: 22:38 - 03:20

Total Clouds (% Sky Obscured)

77
70
9
38
2
98
100
98
51
70
91
95
100
100
100
100
99
100
100
77
37
25
28
15

Low Clouds (% Sky Obscured)

0
1
6
13
0
0
23
89
49
45
18
24
43
34
66
54
39
30
25
8
12
16
17
11

Medium Clouds (% Sky Obscured)

71
69
4
38
2
47
98
73
8
45
84
27
19
51
88
91
94
96
98
33
23
22
16
4

High Clouds (% Sky Obscured)

38
3
2
0
0
97
90
1
0
38
46
90
100
100
100
100
99
99
100
68
19
0
11
4

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
7
4
3
3
3
3
2
1
1
1
1
1
1
1
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
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 (%)

0
0
0
0
0
4
7
12
24
40
49
47
43
42
38
35
35
37
39
38
32
23
15
13

Precipitation Amount (mm)

0
0
0
0
0
0.01
0.04
0.09
0.14
0.2
0.25
0.24
0.22
0.22
0.22
0.22
0.23
0.24
0.26
0.26
0.22
0.16
0.1
0.05

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
11
10
7
7
7
10
11
10
10
10
10
11
11
12
13
13
13
13
12
12
13
13
12

Dew Point (°C)

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

Relative Humidity (%)

68
70
74
78
81
80
79
79
81
85
87
87
86
83
79
75
73
72
73
73
73
71
70
72

Pressure (mb)

997
997
997
997
997
997
996
996
995
995
995
996
996
997
997
998
998
999
1000
1000
1000
1001
1001
1002

Ozone (du)

415
412
407
401
395
392
390
389
387
386
385
387
389
390
391
390
390
390
390
390
389
387
386
386

Thursday 25

Waning Gibbous 57%

02:42

10:59

21 OK
22 OK
23 Good
00 OK
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

Sun - Rise: 05:42, Set: 20:19, Transit: 13:01. Moon - Rise: 02:42, Set: 10:59. Civil Dark: 20:57 - 05:04. Nautical Dark: 21:43 - 04:16. Astro Dark: 22:41 - 03:17

Total Clouds (% Sky Obscured)

10
28
11
25
16
33
52
96
84
63
79
52
44
75
83
81
61
49
43
100
93
97
89
89

Low Clouds (% Sky Obscured)

9
19
4
23
13
27
37
1
18
59
77
47
35
66
79
75
34
31
9
23
27
78
33
33

Medium Clouds (% Sky Obscured)

5
17
5
9
9
8
26
88
69
9
7
13
19
18
12
13
33
13
33
100
93
70
68
68

High Clouds (% Sky Obscured)

0
2
6
3
2
6
17
89
61
15
5
5
2
25
16
35
34
24
27
73
0
88
73
73

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

10
8
6
3
2
2
7
10
16
28
39
45
49
42
22
9
4
8
14
21
17
11
11
8

Precipitation Amount (mm)

0.02
0.02
0.02
0.02
0.02
0.01
0.01
0.01
0.01
0.06
0.12
0.15
0.23
0.28
0.17
0.05
0.02
0.03
0.08
0.13
0.15
0.15
0.12
0.05

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
8
7
7
7
6
6
6
6
6
6
7
8
11
12
13
14
15
15
15
14
14
14
12

Dew Point (°C)

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

Relative Humidity (%)

75
78
80
82
83
85
86
88
89
90
89
87
84
80
74
69
65
64
65
67
68
67
66
67

Pressure (mb)

1003
1003
1004
1004
1004
1004
1004
1004
1004
1004
1004
1005
1005
1006
1006
1006
1007
1007
1007
1007
1008
1008
1008
1009

Ozone (du)

388
389
389
389
389
387
385
383
382
381
381
384
387
388
386
381
377
375
374
374
375
377
379
380

Friday 26

Third Quarter 47%

03:18

12:01

21 Bad
22 Bad
23 Bad
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

Sun - Rise: 05:40, Set: 20:21, Transit: 13:00. Moon - Rise: 03:18, Set: 12:01. Civil Dark: 20:59 - 05:02. Nautical Dark: 21:45 - 04:13. Astro Dark: 22:44 - 03:13

Total Clouds (% Sky Obscured)

89
89
89
89
100
100
100
100
100
100
84
84
84
84
84
84
99
99
99
99
99
99
68
68

Low Clouds (% Sky Obscured)

33
33
33
33
100
100
100
100
100
100
13
13
13
13
13
13
96
96
96
96
96
96
34
34

Medium Clouds (% Sky Obscured)

68
68
68
68
100
100
100
100
100
100
75
75
75
75
75
75
95
95
95
95
95
95
56
56

High Clouds (% Sky Obscured)

73
73
73
73
0
0
0
0
0
0
63
63
63
63
63
63
68
68
68
68
68
68
32
32

ISS Passover

Visibility (miles)

10
10
10
8
5
4
4
5
6
7
8
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
Very Light Rain
Very Light Rain
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

0
0
20
56
71
73
69
62
56
41
40
42
39
32
20
14
12
12
14
17
16
14
9
4

Precipitation Amount (mm)

0
0
0.07
0.35
0.68
0.69
0.61
0.55
0.49
0.44
0.41
0.3
0.18
0.12
0.08
0.06
0.06
0.07
0.12
0.18
0.18
0.18
0.16
0.09

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
7
6
6
6
6
6
6
5
5
5
4
5
6
11
12
14
14
15
14
14
13
13
12

Dew Point (°C)

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

Relative Humidity (%)

69
71
76
80
82
82
81
80
82
83
83
87
86
84
78
72
67
64
62
62
65
69
70
70

Pressure (mb)

1009
1009
1008
1007
1006
1005
1004
1003
1003
1003
1004
1005
1006
1007
1008
1010
1011
1012
1014
1015
1016
1017
1018
1019

Ozone (du)

382
385
389
395
401
407
413
417
419
420
420
417
413
408
404
400
397
396
395
394
391
389
386
382

Saturday 27

Waning Crescent 37%

03:48

13:05

21 Bad
22 Bad
23 Bad
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

Sun - Rise: 05:38, Set: 20:22, Transit: 13:00. Moon - Rise: 03:48, Set: 13:05. Civil Dark: N/A - 05:00. Nautical Dark: 21:48 - 04:10. Astro Dark: 22:47 - 03:10

Total Clouds (% Sky Obscured)

68
68
68
68
90
90
90
90
90
90
71
71
71
71
71
71
98
98
98
98
98
98
100
100

Low Clouds (% Sky Obscured)

34
34
34
34
68
68
68
68
68
68
54
54
54
54
54
54
98
98
98
98
98
98
88
88

Medium Clouds (% Sky Obscured)

56
56
56
56
68
68
68
68
68
68
51
51
51
51
51
51
85
85
85
85
85
85
100
100

High Clouds (% Sky Obscured)

32
32
32
32
28
28
28
28
28
28
31
31
31
31
31
31
0
0
0
0
0
0
50
50

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 (%)

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

Precipitation Amount (mm)

0.04
0.02
0.04
0.1
0.13
0.08
0.01
0
0
0
0
0
0
0
0
0
0
0
0.01
0.02
0.02
0.03
0.03
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
10
9
9
9
8
7
7
6
6
6
8
10
12
14
15
16
16
16
16
16
16
15
15

Feels Like (°C)

11
7
7
6
6
5
4
3
3
2
3
5
8
12
14
15
16
16
16
16
16
16
15
15

Dew Point (°C)

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

Relative Humidity (%)

70
71
72
73
74
75
77
80
83
84
82
78
72
67
64
62
59
58
58
58
60
62
63
65

Pressure (mb)

1021
1022
1022
1023
1023
1024
1024
1024
1024
1024
1024
1025
1025
1025
1024
1024
1024
1023
1023
1022
1022
1022
1021
1021

Ozone (du)

378
375
372
370
367
366
364
363
362
360
359
357
356
354
353
351
349
347
344
340
335
330
325
320

Sunday 28

Waning Crescent 28%

04:12

14:11

21 Bad
22 Bad
23 Bad
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

Sun - Rise: 05:36, Set: 20:24, Transit: 13:00. Moon - Rise: 04:12, Set: 14:11. Civil Dark: 21:01 - 04:58. Nautical Dark: 21:50 - 04:08. Astro Dark: 22:51 - 03:06

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)

88
88
88
88
100
100
100
100
100
100
91
91
91
91
91
91
99
99
99
99
99
99
37
37

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
98
98
98
98
98
98
3
3
3
3
3
3
6
6

High Clouds (% Sky Obscured)

50
50
50
50
89
89
89
89
89
89
100
100
100
100
100
100
95
95
95
95
95
95
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
10
7
4
3
5

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
Very Light Rain
Very Light Rain
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

Precipitation Probability (%)

2
2
2
1
0
0
0
0
0
5
7
7
0
0
0
5
6
8
12
18
22
22
21
19

Precipitation Amount (mm)

0.03
0.05
0.04
0.02
0
0
0
0
0
0.01
0.02
0.01
0
0
0
0.02
0.05
0.07
0.15
0.25
0.23
0.15
0.11
0.12

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
14
13
12
11
10
10
9
9
9
10
11
13
14
15
17
18
18
17
17
16
16
16
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
71
74
78
80
81
82
83
84
85
84
79
73
68
65
62
61
61
64
68
71
72
72
72

Pressure (mb)

1022
1022
1022
1021
1021
1021
1020
1020
1020
1020
1020
1019
1019
1019
1019
1018
1018
1018
1017
1017
1017
1017
1016
1017

Ozone (du)

316
312
311
312
312
312
312
312
312
310
309
307
305
304
303
303
304
305
307
309
312
315
318
320

Monday 29

Waning Crescent 20%

04:33

15:17

21 Bad
22 Bad
23 Bad
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

Sun - Rise: 05:34, Set: 20:26, Transit: 13:00. Moon - Rise: 04:33, Set: 15:17. Civil Dark: 21:03 - 04:55. Nautical Dark: 21:52 - 04:05. Astro Dark: 22:54 - 03:02

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
45
45
45
45
45
45
75
75
75
75
75
75
31
31

Low Clouds (% Sky Obscured)

37
37
37
37
79
79
79
79
79
79
44
44
44
44
44
44
66
66
66
66
66
66
28
28

Medium Clouds (% Sky Obscured)

6
6
6
6
100
100
100
100
100
100
9
9
9
9
9
9
2
2
2
2
2
2
18
18

High Clouds (% Sky Obscured)

100
100
100
100
56
56
56
56
56
56
0
0
0
0
0
0
28
28
28
28
28
28
0
0

ISS Passover

Visibility (miles)

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

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
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 (%)

20
21
20
21
22
22
21
23
31
39
43
42
38
36
35
35
35
35
37
39
39
39
37
29

Precipitation Amount (mm)

0.17
0.21
0.22
0.23
0.25
0.24
0.21
0.2
0.25
0.32
0.37
0.38
0.37
0.36
0.34
0.34
0.33
0.34
0.36
0.37
0.36
0.34
0.31
0.24

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
75
76
77
77
78
79
81
83
85
85
84
81
79
76
72
68
65
63
64
66
69
72
72

Pressure (mb)

1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1014
1013
1013
1012
1012
1012
1012
1012

Ozone (du)

323
325
327
330
332
334
335
337
338
340
341
342
342
343
343
344
344
343
340
339
339
340
341
342

Forecast for Crownhill, Milton Keynes, UK (52.03,-0.81)

Generated: 23/04/19 21:19:02. Forecast: 23/04/19 to 29/04/19. Timezone: UTC+1.00