Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 23

Waning Gibbous 76%

01:10

09:33

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 OK
19 Bad
20 Bad

Sun - Rise: 06:04, Set: 20:26, Transit: 13:15. Moon - Rise: 01:10, Set: 09:33. Civil Dark: 21:00 - 05:28. Nautical Dark: 21:46 - 04:43. Astro Dark: 22:38 - 03:50

Total Clouds (% Sky Obscured)

100
100
100
99
100
100
100
100
100
98
76
96
100
100
100
100
100
99
98
57
55
26
39
44

Low Clouds (% Sky Obscured)

0
18
29
12
98
91
100
100
100
80
13
47
48
83
43
59
61
13
57
23
17
25
31
27

Medium Clouds (% Sky Obscured)

98
98
100
98
100
99
95
81
48
38
16
95
100
100
91
98
99
95
22
8
6
15
20
27

High Clouds (% Sky Obscured)

100
100
100
46
86
87
84
72
37
93
71
50
95
97
99
99
100
99
95
43
49
1
10
21

ISS Passover

Visibility (miles)

6
7
10
10
10
10
10
10
10
9
8
6
5
4
4
4
5
8
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
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
Very Light Rain

Precipitation Probability (%)

11
24
9
8
9
10
14
18
19
36
53
64
73
76
73
64
51
31
18
13
10
10
12
13

Precipitation Amount (mm)

0.15
0.11
0.11
0.1
0.11
0.11
0.13
0.13
0.1
0.17
0.33
0.66
1.44
2.05
1.68
0.95
0.49
0.25
0.11
0.05
0.03
0.03
0.05
0.07

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
12
12
12
12
11
11
11
11
11
10
10
8
7
7
7
10
11
12
12
12
11
11
10

Dew Point (°C)

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

Relative Humidity (%)

78
84
87
91
95
96
97
97
96
95
94
94
94
94
95
95
92
86
79
75
75
76
79
81

Pressure (mb)

993
993
993
993
993
992
991
991
990
990
990
990
990
990
990
991
991
992
992
992
992
992
992
992

Ozone (du)

374
375
377
380
382
383
385
385
383
381
380
379
379
380
383
387
391
396
402
405
405
404
401
397

Wednesday 24

Waning Gibbous 66%

02:04

10:24

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: 06:02, Set: 20:28, Transit: 13:15. Moon - Rise: 02:04, Set: 10:24. Civil Dark: 21:02 - 05:26. Nautical Dark: 21:48 - 04:41. Astro Dark: 22:40 - 03:47

Total Clouds (% Sky Obscured)

51
40
94
98
100
100
94
38
53
90
43
50
56
48
53
66
40
37
47
96
79
60
41
100

Low Clouds (% Sky Obscured)

37
21
20
39
100
100
93
34
38
83
38
41
41
33
48
48
29
29
31
28
27
32
28
100

Medium Clouds (% Sky Obscured)

35
32
30
92
100
97
27
16
39
47
15
20
20
13
15
20
12
16
27
95
66
27
17
60

High Clouds (% Sky Obscured)

1
0
91
95
98
38
0
0
22
25
2
8
20
25
10
39
14
6
16
53
46
38
23
38

ISS Passover

Visibility (miles)

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

Very Light Rain
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
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 (%)

17
22
28
43
58
61
63
63
55
34
23
21
22
23
23
26
28
31
36
41
38
31
24
20

Precipitation Amount (mm)

0.12
0.17
0.21
0.35
0.51
0.62
0.88
1.07
0.74
0.31
0.13
0.11
0.14
0.17
0.17
0.18
0.22
0.31
0.46
0.55
0.48
0.35
0.25
0.16

Wind Speed/Direction (mph)

12
12
14
16
17
17
16
15
15
16
17
17
17
17
18
17
17
18
18
18
17
15
14
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
6
5
5
5
5
5
5
4
4
4
4
5
6
6
10
10
11
12
12
12
11
11
10

Dew Point (°C)

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

Relative Humidity (%)

85
87
90
91
92
94
95
96
96
95
94
92
88
86
84
82
80
77
75
74
74
75
77
79

Pressure (mb)

992
991
991
990
990
989
989
989
989
990
991
992
993
994
994
995
996
996
996
997
997
998
998
999

Ozone (du)

392
388
385
382
381
383
385
387
387
387
387
387
387
388
387
387
386
386
386
387
389
391
392
392

Thursday 25

Waning Gibbous 57%

02:50

11:21

21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 OK
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: 06:01, Set: 20:29, Transit: 13:15. Moon - Rise: 02:50, Set: 11:21. Civil Dark: 21:04 - 05:24. Nautical Dark: 21:50 - 04:38. Astro Dark: 22:43 - 03:44

Total Clouds (% Sky Obscured)

100
55
72
88
73
46
37
30
51
63
73
59
89
99
88
83
79
99
98
95
100
100
100
100

Low Clouds (% Sky Obscured)

100
27
60
83
59
26
23
20
14
16
27
23
26
97
81
66
70
99
98
81
100
96
100
100

Medium Clouds (% Sky Obscured)

23
20
24
30
51
28
24
16
13
17
56
53
88
98
70
74
71
26
31
71
98
100
99
99

High Clouds (% Sky Obscured)

31
36
28
22
23
18
4
4
41
54
56
0
1
1
0
0
0
0
24
59
31
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

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 (%)

16
15
14
14
13
14
16
17
15
11
9
10
17
21
28
39
46
45
35
27
24
39
50
50

Precipitation Amount (mm)

0.1
0.09
0.08
0.1
0.11
0.12
0.14
0.13
0.08
0.04
0.02
0.03
0.06
0.11
0.19
0.32
0.39
0.34
0.23
0.15
0.12
0.22
0.35
0.31

Wind Speed/Direction (mph)

11
9
9
8
8
7
7
7
6
6
7
8
10
12
9
14
16
17
18
19
18
18
17
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
6
6
6
6
6
6
6
6
7
7
8
8
8
8
8
7
7
6
6
6
6
7

Relative Humidity (%)

83
86
89
91
92
93
94
94
95
95
94
91
87
85
85
86
85
83
80
78
79
80
81
83

Pressure (mb)

1000
1001
1001
1001
1002
1002
1002
1003
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1012
1013
1013
1012
1012
1011

Ozone (du)

390
388
387
384
382
379
375
374
375
378
380
377
374
372
374
378
381
384
387
389
387
385
385
390

Friday 26

Third Quarter 47%

03:27

12:22

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 OK
20 OK

Sun - Rise: 05:59, Set: 20:31, Transit: 13:15. Moon - Rise: 03:27, Set: 12:22. Civil Dark: 21:06 - 05:22. Nautical Dark: 21:52 - 04:36. Astro Dark: 22:46 - 03:41

Total Clouds (% Sky Obscured)

100
100
100
100
40
40
40
40
40
40
100
100
100
100
100
100
73
73
73
73
73
73
25
25

Low Clouds (% Sky Obscured)

100
100
100
100
26
26
26
26
26
26
100
100
100
100
100
100
17
17
17
17
17
17
15
15

Medium Clouds (% Sky Obscured)

99
99
99
99
28
28
28
28
28
28
37
37
37
37
37
37
73
73
73
73
73
73
23
23

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
22
22
22
22
22
22
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
9
7
5
7
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

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

Precipitation Probability (%)

56
53
51
54
56
62
56
51
46
43
42
29
27
24
17
11
7
5
4
3
3
0
0
0

Precipitation Amount (mm)

0.44
0.64
0.48
0.36
0.44
0.57
0.46
0.39
0.36
0.35
0.35
0.24
0.26
0.25
0.21
0.15
0.11
0.07
0.04
0.02
0.01
0
0
0

Wind Speed/Direction (mph)

21
23
25
28
29
31
32
31
32
32
32
30
30
29
28
26
25
24
22
21
20
19
18
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
5
5
4
4
3
3
3
3
3
3
3
3
3
4
5
6
10
11
11
10
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

85
87
87
87
86
86
86
86
87
86
86
85
83
81
79
77
74
71
68
67
68
70
70
70

Pressure (mb)

1010
1009
1008
1007
1006
1004
1005
1006
1008
1010
1011
1013
1015
1017
1018
1019
1021
1021
1022
1023
1024
1024
1025
1026

Ozone (du)

397
404
414
424
429
426
417
410
405
401
398
395
393
391
388
384
381
378
375
373
371
370
369
367

Saturday 27

Waning Crescent 37%

03:57

13:25

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

Sun - Rise: 05:57, Set: 20:33, Transit: 13:15. Moon - Rise: 03:57, Set: 13:25. Civil Dark: 21:07 - 05:20. Nautical Dark: 21:54 - 04:33. Astro Dark: 22:49 - 03:38

Total Clouds (% Sky Obscured)

25
25
25
25
20
20
20
20
20
20
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

15
15
15
15
2
2
2
2
2
2
2
2
2
2
2
2
100
100
100
100
100
100
52
52

Medium Clouds (% Sky Obscured)

23
23
23
23
1
1
1
1
1
1
100
100
100
100
100
100
100
100
100
100
100
100
99
99

High Clouds (% Sky Obscured)

0
0
0
0
19
19
19
19
19
19
3
3
3
3
3
3
99
99
99
99
99
99
99
99

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
2
2
2
2
2
2
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0.02
0.02
0.02
0.02

Wind Speed/Direction (mph)

14
12
10
9
9
7
5
7
6
6
6
7
8
9
10
11
12
12
12
12
12
11
10
10

Chance of Frost

Temperature (°C)

8
8
7
7
7
7
7
6
6
6
7
8
10
12
13
14
14
15
15
14
13
13
12
11

Feels Like (°C)

5
5
5
5
5
5
5
4
4
4
4
6
10
12
13
14
14
15
15
14
13
13
12
11

Dew Point (°C)

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

Relative Humidity (%)

71
74
76
78
80
82
84
86
89
91
91
86
79
73
69
66
64
63
65
68
73
76
79
80

Pressure (mb)

1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1025
1025
1024
1024
1023
1023

Ozone (du)

364
362
360
358
356
352
348
344
340
336
332
328
325
322
322
322
324
325
328
328
325
320
316
315

Sunday 28

Waning Crescent 28%

04:23

14:30

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 OK
20 OK

Sun - Rise: 05:55, Set: 20:34, Transit: 13:15. Moon - Rise: 04:23, Set: 14:30. Civil Dark: 21:09 - 05:18. Nautical Dark: 21:56 - 04:31. Astro Dark: 22:52 - 03:35

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
41
41

Low Clouds (% Sky Obscured)

52
52
52
52
77
77
77
77
77
77
100
100
100
100
100
100
100
100
100
100
100
100
41
41

Medium Clouds (% Sky Obscured)

99
99
99
99
100
100
100
100
100
100
9
9
9
9
9
9
100
100
100
100
100
100
2
2

High Clouds (% Sky Obscured)

99
99
99
99
100
100
100
100
100
100
98
98
98
98
98
98
100
100
100
100
100
100
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

1
1
1
1
2
2
2
3
3
4
4
9
16
21
20
14
8
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.01
0.01
0.02
0.04
0.05
0.05
0.04
0.03
0.03
0.02
0.03
0.15
0.43
0.62
0.41
0.13
0.02
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
7
7
8
8
8
8
8
8
8
8
8
8
8
9
9
9
9
9
9
8
8
7
7

Relative Humidity (%)

83
87
88
89
90
90
90
91
91
91
90
87
84
81
81
81
79
74
70
67
67
69
72
75

Pressure (mb)

1023
1023
1023
1023
1022
1022
1021
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018

Ozone (du)

316
316
315
314
312
311
310
309
308
308
308
308
309
310
312
314
316
318
321
323
326
328
330
333

Monday 29

Waning Crescent 20%

04:45

15:35

21 OK
22 OK
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: 05:53, Set: 20:36, Transit: 13:14. Moon - Rise: 04:45, Set: 15:35. Civil Dark: 21:11 - 05:16. Nautical Dark: 21:58 - 04:29. Astro Dark: 22:55 - 03:31

Total Clouds (% Sky Obscured)

41
41
41
41
58
58
58
58
58
58
95
95
95
95
95
95
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

41
41
41
41
29
29
29
29
29
29
77
77
77
77
77
77
95
95
95
95
95
95
43
43

Medium Clouds (% Sky Obscured)

2
2
2
2
6
6
6
6
6
6
91
91
91
91
91
91
70
70
70
70
70
70
96
96

High Clouds (% Sky Obscured)

0
0
0
0
41
41
41
41
41
41
0
0
0
0
0
0
97
97
97
97
97
97
98
98

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
7
5
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

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

Precipitation Probability (%)

0
0
0
0
0
0
0
4
15
37
47
43
20
8
6
9
10
10
10
10
9
7
5
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.02
0.09
0.27
0.41
0.29
0.12
0.04
0.03
0.06
0.1
0.11
0.11
0.09
0.07
0.05
0.03
0.01

Wind Speed/Direction (mph)

6
6
5
3
3
2
2
2
3
4
5
6
7
7
7
8
9
9
10
11
12
12
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
85
88
89
90
90
89
90
91
92
92
91
89
86
83
80
78
78
79
80
80
79
78
76

Pressure (mb)

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

Ozone (du)

335
337
337
336
335
335
334
334
332
331
330
330
332
333
334
335
336
336
337
337
336
336
337
340

Forecast for Upton Cross, Cornwall, UK (50.54,-4.43)

Generated: 23/04/19 21:28:05. Forecast: 23/04/19 to 29/04/19. Timezone: UTC+1.00