Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 3

Waning Crescent 17%

01:21

17:30

17 Bad
18 Bad
19 Bad
20 Bad
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 OK
10 Good
11 OK
12 OK
13 OK
14 OK
15 OK
16 Bad

Sun - Rise: 05:43, Set: 20:56, Transit: 13:19. Moon - Rise: 01:21, Set: 17:30. Civil Dark: 21:36 - 05:03. Nautical Dark: 22:29 - 04:11. Astro Dark: 23:39 - 03:02

Total Clouds (% Sky Obscured)

99
98
97
97
97
95
84
84
89
84
70
61
73
83
66
31
14
6
27
27
18
19
27
45

Low Clouds (% Sky Obscured)

4
3
0
2
4
0
1
2
4
7
9
13
17
13
13
2
0
0
23
23
10
9
16
27

Medium Clouds (% Sky Obscured)

52
56
53
57
58
54
45
40
39
41
27
22
19
16
12
7
4
2
8
6
12
16
23
34

High Clouds (% Sky Obscured)

98
97
95
94
95
91
78
79
84
76
63
48
63
78
59
27
11
3
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
5
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
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

5
5
4
0
0
0
0
0
0
0
0
0
0
0
5
5
4
4
4
5
5
6
6
6

Precipitation Amount (mm)

0.02
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0.02
0.02
0.01
0.02
0.03
0.03
0.04
0.06
0.06
0.05

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
19
19
18
17
16
15
15
14
13
13
13
13
13
14
15
16
17
18
19
20
21
21
22

Feels Like (°C)

20
19
19
18
17
16
15
15
14
13
13
13
13
13
14
15
16
17
18
19
20
21
21
22

Dew Point (°C)

12
12
12
12
11
11
11
11
11
11
11
11
11
12
13
14
15
15
16
16
16
15
15
15

Relative Humidity (%)

63
64
67
69
70
73
75
77
82
84
84
86
89
92
94
92
90
88
86
81
76
71
67
65

Pressure (mb)

1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1012
1012
1012
1013
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

333
333
334
336
338
340
341
343
345
346
346
345
346
345
345
345
346
347
347
348
349
348
346
339

Wednesday 4

Waning Crescent 10%

02:00

18:33

17 Bad
18 OK
19 Bad
20 Bad
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

Sun - Rise: 05:44, Set: 20:55, Transit: 13:19. Moon - Rise: 02:00, Set: 18:33. Civil Dark: 21:34 - 05:05. Nautical Dark: 22:26 - 04:13. Astro Dark: 23:35 - 03:06

Total Clouds (% Sky Obscured)

46
31
98
100
100
100
100
98
97
86
73
53
48
81
77
79
84
100
95
98
95
99
98
98

Low Clouds (% Sky Obscured)

10
6
6
15
20
22
9
7
24
23
13
2
23
42
68
17
9
16
4
90
46
45
39
91

Medium Clouds (% Sky Obscured)

45
29
29
14
20
59
81
88
92
84
70
53
45
78
52
78
83
100
95
92
66
93
81
94

High Clouds (% Sky Obscured)

0
3
98
100
100
100
100
95
59
0
0
0
0
0
0
0
2
0
2
55
84
93
92
85

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
9
6
10
10
8
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
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
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

6
6
5
4
3
2
2
5
0
0
4
4
7
16
7
11
15
17
21
25
30
38
54
55

Precipitation Amount (mm)

0.04
0.04
0.03
0.02
0.01
0.01
0.01
0.02
0
0
0.01
0.01
0.03
0.08
0.02
0.03
0.07
0.1
0.17
0.23
0.38
0.49
0.87
0.87

Wind Speed/Direction (mph)

11
11
8
6
5
4
4
4
7
8
8
9
11
13
11
12
14
16
17
19
19
19
17
15

Chance of Frost

Temperature (°C)

21
20
19
18
17
16
16
15
15
15
14
14
14
14
15
16
16
17
17
18
18
18
18
18

Feels Like (°C)

21
20
19
18
17
16
16
15
15
15
14
14
14
15
15
16
17
17
18
18
18
18
18
19

Dew Point (°C)

14
14
14
14
13
13
13
13
13
13
13
13
14
14
15
16
16
17
17
17
17
17
17
17

Relative Humidity (%)

66
69
73
76
78
80
83
85
87
89
91
94
97
100
100
100
100
100
100
98
95
95
97
93

Pressure (mb)

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

Ozone (du)

335
333
333
333
333
333
335
336
337
338
339
339
340
341
340
339
340
341
344
346
348
348
349
352

Thursday 5

Waning Crescent 5%

02:51

19:30

17 Bad
18 Bad
19 Bad
20 Bad
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 OK

Sun - Rise: 05:46, Set: 20:53, Transit: 13:18. Moon - Rise: 02:51, Set: 19:30. Civil Dark: 21:32 - 05:07. Nautical Dark: 22:24 - 04:15. Astro Dark: 23:32 - 03:09

Total Clouds (% Sky Obscured)

59
66
97
95
95
52
90
74
50
46
58
67
79
54
46
46
46
46
46
46
22
22
22
22

Low Clouds (% Sky Obscured)

31
42
34
78
91
33
87
66
38
37
31
59
73
36
24
24
24
24
24
24
19
19
19
19

Medium Clouds (% Sky Obscured)

46
59
97
95
84
41
65
52
41
35
52
48
47
43
41
41
41
41
41
41
8
8
8
8

High Clouds (% Sky Obscured)

31
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)

8
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

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

Precipitation Probability (%)

52
42
32
33
33
28
23
26
26
21
24
26
28
26
24
24
23
21
16
18
14
21
21
19

Precipitation Amount (mm)

0.8
0.56
0.51
0.63
0.43
0.25
0.23
0.27
0.28
0.21
0.3
0.36
0.34
0.26
0.22
0.22
0.22
0.21
0.11
0.15
0.11
0.16
0.17
0.16

Wind Speed/Direction (mph)

13
11
15
14
13
12
13
14
15
16
16
15
15
15
17
17
18
19
20
20
21
21
21
20

Chance of Frost

Temperature (°C)

19
20
19
18
17
16
16
16
16
16
16
15
15
16
16
16
17
17
18
18
19
18
18
18

Feels Like (°C)

19
20
19
18
17
16
16
16
16
16
16
16
16
16
16
17
17
18
18
19
19
19
18
18

Dew Point (°C)

17
17
16
15
15
15
15
15
15
15
15
15
15
16
16
16
17
17
18
18
17
17
16
16

Relative Humidity (%)

88
83
82
84
87
90
91
92
93
94
94
96
99
100
100
100
100
100
99
96
92
91
89
88

Pressure (mb)

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

Ozone (du)

354
355
349
349
351
353
353
352
352
353
354
355
356
356
358
357
356
356
357
359
361
362
364
364

Friday 6

Waning Crescent 1%

03:54

20:16

17 OK
18 Bad
19 OK
20 OK
21 OK
22 OK
23 OK
00 OK
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

Sun - Rise: 05:47, Set: 20:51, Transit: 13:18. Moon - Rise: 03:54, Set: 20:16. Civil Dark: 21:30 - 05:08. Nautical Dark: 22:22 - 04:18. Astro Dark: 23:28 - 03:13

Total Clouds (% Sky Obscured)

22
22
14
14
14
14
14
14
48
48
48
48
48
48
94
94
94
94
94
94
86
86
86
86

Low Clouds (% Sky Obscured)

19
19
13
13
13
13
13
13
39
39
39
39
39
39
49
49
49
49
49
49
21
21
21
21

Medium Clouds (% Sky Obscured)

8
8
6
6
6
6
6
6
34
34
34
34
34
34
56
56
56
56
56
56
27
27
27
27

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
6
6
6
6
6
6
86
86
86
86
86
86
81
81
81
81

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 (%)

20
23
20
14
10
8
9
11
12
16
23
28
24
22
29
25
18
17
19
21
24
24
16
18

Precipitation Amount (mm)

0.16
0.18
0.16
0.07
0.04
0.02
0.02
0.02
0.06
0.08
0.11
0.14
0.12
0.08
0.2
0.16
0.15
0.17
0.21
0.26
0.35
0.39
0.25
0.25

Wind Speed/Direction (mph)

20
19
17
16
14
12
11
11
12
12
11
11
10
9
9
10
11
11
11
10
12
12
12
13

Chance of Frost

Temperature (°C)

17
17
17
16
15
15
15
14
14
14
13
13
13
13
14
15
16
16
17
17
18
18
19
19

Feels Like (°C)

17
17
17
16
15
15
15
14
14
14
13
13
13
13
14
15
16
17
17
18
18
19
19
20

Dew Point (°C)

15
15
15
14
13
13
13
13
13
13
13
13
13
13
14
15
16
16
16
17
17
17
17
16

Relative Humidity (%)

88
89
88
87
87
88
90
91
94
95
98
100
100
100
100
100
100
98
97
96
97
92
86
83

Pressure (mb)

1000
1000
1001
1001
1001
1001
1001
1001
1000
1000
1000
999
999
999
999
999
999
999
999
999
1000
1000
1000
1000

Ozone (du)

364
364
359
358
358
357
356
356
361
360
360
360
361
361
363
363
363
363
363
362
359
358
358
358

Saturday 7

Waning Crescent 0%

05:05

20:53

17 Bad
18 Bad
19 Bad
20 Bad
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 OK
14 OK
15 OK
16 OK

Sun - Rise: 05:49, Set: 20:49, Transit: 13:18. Moon - Rise: 05:05, Set: 20:53. Civil Dark: 21:28 - 05:10. Nautical Dark: 22:19 - 04:20. Astro Dark: 23:24 - 03:16

Total Clouds (% Sky Obscured)

86
86
55
55
55
55
55
55
84
84
84
84
84
84
48
48
48
48
48
48
25
25
25
25

Low Clouds (% Sky Obscured)

21
21
20
20
20
20
20
20
24
24
24
24
24
24
20
20
20
20
20
20
20
20
20
20

Medium Clouds (% Sky Obscured)

27
27
46
46
46
46
46
46
76
76
76
76
76
76
36
36
36
36
36
36
16
16
16
16

High Clouds (% Sky Obscured)

81
81
4
4
4
4
4
4
58
58
58
58
58
58
18
18
18
18
18
18
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

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 (%)

19
22
11
8
7
8
10
11
13
12
10
9
8
8
16
15
12
11
12
12
13
13
13
12

Precipitation Amount (mm)

0.18
0.14
0.09
0.03
0.02
0.04
0.06
0.08
0.12
0.08
0.04
0.04
0.04
0.04
0.07
0.06
0.07
0.07
0.08
0.08
0.09
0.08
0.07
0.06

Wind Speed/Direction (mph)

15
16
16
16
14
14
13
13
13
13
12
12
12
12
16
17
17
18
18
19
19
20
20
20

Chance of Frost

Temperature (°C)

19
18
17
16
16
15
15
15
15
14
14
14
13
14
15
16
16
17
17
18
19
19
19
19

Feels Like (°C)

19
18
17
16
16
15
15
15
15
14
14
14
14
14
16
16
17
17
18
18
19
20
20
20

Dew Point (°C)

16
16
15
14
14
14
14
14
14
14
14
14
13
14
15
16
16
17
17
18
18
18
17
17

Relative Humidity (%)

85
88
87
88
89
90
91
92
97
99
100
100
100
100
100
100
100
100
100
100
98
93
88
86

Pressure (mb)

1001
1001
1003
1004
1004
1004
1005
1005
1003
1004
1004
1005
1005
1005
1005
1006
1006
1007
1008
1008
1009
1009
1010
1010

Ozone (du)

357
356
355
355
355
355
356
356
358
357
356
355
356
357
353
353
352
352
353
353
353
351
348
346

Sunday 8

New Moon 1%

06:21

21:21

17 OK
18 OK
19 OK
20 OK
21 OK
22 OK
23 OK
00 OK
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

Sun - Rise: 05:50, Set: 20:48, Transit: 13:18. Moon - Rise: 06:21, Set: 21:21. Civil Dark: 21:26 - 05:12. Nautical Dark: 22:17 - 04:22. Astro Dark: 23:20 - 03:19

Total Clouds (% Sky Obscured)

25
25
11
11
11
11
11
11
95
95
95
95
95
95
40
40
40
40
40
40
89
89
89
89

Low Clouds (% Sky Obscured)

20
20
10
10
10
10
10
10
26
26
26
26
26
26
13
13
13
13
13
13
34
34
34
34

Medium Clouds (% Sky Obscured)

16
16
6
6
6
6
6
6
48
48
48
48
48
48
16
16
16
16
16
16
89
89
89
89

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
91
91
91
91
91
91
20
20
20
20
20
20
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

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
None

Precipitation Probability (%)

13
11
11
13
15
17
16
9
9
14
29
34
28
13
8
8
8
7
6
6
6
6
6
5

Precipitation Amount (mm)

0.05
0.06
0.07
0.08
0.11
0.12
0.06
0.01
0.01
0.03
0.12
0.2
0.13
0.04
0.02
0.02
0.03
0.03
0.03
0.02
0.02
0.02
0.02
0.02

Wind Speed/Direction (mph)

19
18
17
17
17
16
16
16
16
16
16
16
15
14
14
14
14
14
15
15
16
16
17
16

Chance of Frost

Temperature (°C)

19
18
17
17
16
16
16
16
16
16
15
15
15
15
15
16
17
17
18
18
18
19
20
20

Feels Like (°C)

19
18
17
17
16
16
16
16
16
16
15
15
15
16
16
17
17
18
18
19
19
20
20
20

Dew Point (°C)

17
16
16
16
16
16
16
16
16
16
15
15
15
15
15
16
17
17
18
18
18
19
18
18

Relative Humidity (%)

88
91
93
95
97
98
98
98
99
100
100
100
100
100
100
100
100
100
100
100
100
98
93
90

Pressure (mb)

1011
1011
1011
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1014
1014
1015
1015
1016
1016
1017
1017
1017
1018
1018

Ozone (du)

345
345
344
342
340
337
336
334
332
330
328
326
325
324
324
324
323
323
323
323
322
322
321
321

Monday 9

Waxing Crescent 5%

07:40

21:44

17 Bad
18 Bad
19 Bad
20 Bad
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

Sun - Rise: 05:52, Set: 20:46, Transit: 13:18. Moon - Rise: 07:40, Set: 21:44. Civil Dark: 21:24 - 05:14. Nautical Dark: 22:14 - 04:24. Astro Dark: 23:17 - 03:23

Total Clouds (% Sky Obscured)

89
89
95
95
95
95
95
95
74
74
74
74
74
74
81
81
81
81
81
81
85
85
85
85

Low Clouds (% Sky Obscured)

34
34
29
29
29
29
29
29
59
59
59
59
59
59
77
77
77
77
77
77
84
84
84
84

Medium Clouds (% Sky Obscured)

89
89
0
0
0
0
0
0
6
6
6
6
6
6
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
94
94
94
94
94
94
32
32
32
32
32
32
17
17
17
17
17
17
6
6
6
6

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

Precipitation Probability (%)

5
6
6
4
0
0
2
4
5
5
5
4
5
6
5
4
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
19
18
18
17
16
16
16
16
16
16
16
16
16
16
17
18
18
19
19
20
21
21
21

Feels Like (°C)

20
20
19
18
17
17
16
16
16
16
16
16
17
17
17
18
18
19
20
20
21
21
22
22

Dew Point (°C)

18
18
18
18
17
16
16
16
16
16
16
16
16
16
16
17
18
18
19
19
20
20
20
20

Relative Humidity (%)

91
93
96
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
93
90

Pressure (mb)

1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1020
1019
1019
1019

Ozone (du)

320
320
319
318
317
315
314
313
312
312
312
312
313
313
313
313
313
313
312
311
311
312
312
313

Forecast for Barry, Vale of Glamorgan, UK (51.40,-3.28)

Generated: 03/08/21 17:15:50. Forecast: 03/08/21 to 09/08/21. Timezone: UTC+1.00