Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 10

Waning Gibbous 55%

23:26

12:53

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

Sun - Rise: 05:47, Set: 20:38, Transit: 13:12. Moon - Rise: 23:26, Set: 12:53. Civil Dark: 21:16 - 05:09. Nautical Dark: 22:06 - 04:20. Astro Dark: 23:08 - 03:19

Total Clouds (% Sky Obscured)

83
81
65
27
1
45
48
18
91
94
91
78
70
40
61
61
44
38
28
48
88
100
99
99

Low Clouds (% Sky Obscured)

0
0
0
0
0
1
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0

Medium Clouds (% Sky Obscured)

18
8
56
1
0
25
13
1
0
0
16
1
11
13
41
27
13
9
20
22
38
23
40
33

High Clouds (% Sky Obscured)

79
80
23
26
1
30
42
17
91
94
91
78
66
33
51
48
40
33
16
37
80
99
98
98

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
7
9
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
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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

7
7
7
4
3
2
2
0
0
0
3
4
5
7
7
8
9
10
11
13
14
16
16
13

Precipitation Amount (mm)

0.06
0.07
0.23
0.18
0.18
0.1
0.02
0
0
0
0.01
0.01
0.01
0.01
0.03
0.08
0.13
0.13
0.14
0.17
0.26
0.35
0.36
0.19

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
22
23
25
26
28
29
29
29
29
27
26
24
22
22
21
21
21
20
20
19
19
19
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
81
78
76
73
69
64
62
64
67
70
72
73
75
77
78
80
81
83
84
86
88
89
88

Pressure (mb)

1016
1016
1016
1015
1015
1015
1014
1013
1013
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015

Ozone (du)

300
300
300
299
299
299
298
298
298
297
297
296
296
295
294
293
292
291
291
290
290
289
289
289

Tuesday 11

Third Quarter 45%

23:45

14:01

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 OK
23 OK
00 Good
01 OK
02 OK
03 OK
04 Bad
05 Bad
06 Bad
07 Bad
08 OK

Sun - Rise: 05:49, Set: 20:36, Transit: 13:12. Moon - Rise: 23:45, Set: 14:01. Civil Dark: 21:14 - 05:11. Nautical Dark: 22:03 - 04:22. Astro Dark: 23:04 - 03:22

Total Clouds (% Sky Obscured)

97
94
91
81
81
56
66
62
70
100
80
63
56
40
23
13
17
15
23
59
71
74
47
38

Low Clouds (% Sky Obscured)

0
0
0
0
1
10
16
4
21
0
1
1
6
0
2
0
0
0
0
5
6
0
0
5

Medium Clouds (% Sky Obscured)

21
16
37
6
6
14
19
16
31
21
4
6
38
29
17
8
10
13
17
21
52
41
38
32

High Clouds (% Sky Obscured)

96
92
87
80
79
50
58
56
55
99
79
61
34
20
9
6
8
3
7
48
45
62
16
8

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
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
None
None

Precipitation Probability (%)

10
0
0
0
0
0
0
0
0
0
0
0
2
2
2
7
8
7
7
7
6
6
5
4

Precipitation Amount (mm)

0.04
0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0.01
0.01
0.01
0.02
0.03
0.03
0.02
0.02
0.01

Wind Speed/Direction (mph)

6
6
7
7
7
7
7
7
7
6
6
6
6
5
5
5
5
4
4
3
3
2
2
2

Chance of Frost

Temperature (°C)

22
24
26
27
29
30
30
30
30
29
28
26
24
23
22
22
21
21
20
20
19
19
19
21

Feels Like (°C)

22
24
26
30
32
34
34
34
33
33
31
28
25
24
23
22
22
21
21
20
20
19
20
21

Dew Point (°C)

19
21
22
22
23
23
22
22
23
23
23
22
21
20
20
19
19
19
18
18
17
17
17
18

Relative Humidity (%)

85
83
79
74
69
65
63
63
66
70
73
77
81
83
85
86
86
87
87
88
88
89
89
86

Pressure (mb)

1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

289
289
289
289
288
288
288
287
286
285
284
283
283
283
284
285
285
284
283
282
282
282
282
281

Wednesday 12

Waning Crescent 35%

00:09

15:10

09 OK
10 OK
11 Bad
12 Bad
13 Good
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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:51, Set: 20:34, Transit: 13:12. Moon - Rise: 00:09, Set: 15:10. Civil Dark: 21:12 - 05:13. Nautical Dark: 22:01 - 04:24. Astro Dark: 23:01 - 03:25

Total Clouds (% Sky Obscured)

27
21
70
64
17
93
99
98
94
97
98
98
98
98
98
98
100
100
100
100
100
100
99
99

Low Clouds (% Sky Obscured)

16
11
0
1
12
16
25
12
2
9
0
0
0
0
0
0
18
18
18
18
18
18
4
4

Medium Clouds (% Sky Obscured)

21
8
2
0
4
10
61
39
5
3
3
3
3
3
3
3
9
9
9
9
9
9
96
96

High Clouds (% Sky Obscured)

0
7
70
64
9
92
98
98
94
96
98
98
98
98
98
98
100
100
100
100
100
100
97
97

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
Light Rain
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
3
2
1
0
0
0
0
0
0
20
34
45
47
45
41
31
20
9
6
7
7
5

Precipitation Amount (mm)

0.01
0.01
0.01
0.01
0.01
0
0
0
0
0
0
0.11
0.6
1.13
1.12
0.82
0.54
0.3
0.11
0.03
0.01
0.01
0.02
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
25
26
27
28
29
30
30
30
29
29
27
25
24
23
23
22
21
21
20
20
19
19
20

Feels Like (°C)

24
26
28
30
31
33
33
34
34
33
32
30
26
25
24
23
23
22
21
20
20
19
20
21

Dew Point (°C)

20
21
22
22
22
22
22
22
22
23
23
23
22
21
21
20
20
19
19
18
18
18
18
18

Relative Humidity (%)

82
79
75
72
69
65
63
62
64
67
72
76
81
84
86
87
87
88
89
89
90
92
91
89

Pressure (mb)

1014
1014
1014
1014
1014
1014
1013
1013
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012

Ozone (du)

280
280
280
280
280
279
278
277
276
276
276
274
273
273
275
278
281
284
287
289
289
287
285
285

Thursday 13

Waning Crescent 25%

00:40

16:19

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
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:52, Set: 20:32, Transit: 13:11. Moon - Rise: 00:40, Set: 16:19. Civil Dark: 21:10 - 05:15. Nautical Dark: 21:58 - 04:26. Astro Dark: 22:57 - 03:28

Total Clouds (% Sky Obscured)

99
99
99
99
98
98
98
98
98
98
97
97
97
97
97
97
99
99
99
99
99
99
100
100

Low Clouds (% Sky Obscured)

4
4
4
4
90
90
90
90
90
90
21
21
21
21
21
21
98
98
98
98
98
98
100
100

Medium Clouds (% Sky Obscured)

96
96
96
96
38
38
38
38
38
38
11
11
11
11
11
11
23
23
23
23
23
23
31
31

High Clouds (% Sky Obscured)

97
97
97
97
79
79
79
79
79
79
95
95
95
95
95
95
88
88
88
88
88
88
91
91

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
0
0
1
2
6
9
13
20
30
39
42
39
36
34
32
30
30
30
29
28
26
24
25

Precipitation Amount (mm)

0
0
0
0.01
0.03
0.06
0.17
0.31
0.5
0.76
0.98
1.01
0.91
0.8
0.68
0.56
0.46
0.38
0.3
0.22
0.14
0.08
0.05
0.07

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
23
24
25
26
26
26
26
25
25
24
23
22
21
20
20
19
19
18
18
18
18
18
18

Feels Like (°C)

22
24
25
26
26
27
26
26
26
25
25
24
23
21
21
20
19
19
19
18
18
18
18
19

Dew Point (°C)

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

Relative Humidity (%)

87
85
83
80
79
79
79
79
81
82
83
83
84
85
87
90
91
92
93
94
95
96
96
95

Pressure (mb)

1012
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015

Ozone (du)

286
287
286
285
285
284
284
283
284
285
286
288
290
292
293
294
294
295
296
297
298
299
300
299

Friday 14

Waning Crescent 25%

01:20

17:26

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
03 OK
04 OK
05 Good
06 Good
07 Good
08 OK

Sun - Rise: 05:54, Set: 20:30, Transit: 13:11. Moon - Rise: 01:20, Set: 17:26. Civil Dark: 21:08 - 05:16. Nautical Dark: 21:56 - 04:29. Astro Dark: 22:54 - 03:31

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
68
68
68
68
68
68
13
13
13
13
13
13
14
14

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
62
62
62
62
62
62
1
1
1
1
1
1
14
14

Medium Clouds (% Sky Obscured)

31
31
31
31
24
24
24
24
24
24
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

91
91
91
91
0
0
0
0
0
0
10
10
10
10
10
10
13
13
13
13
13
13
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
9
7
8
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
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

27
30
38
40
39
30
21
14
12
11
11
10
6
2
1
0
0
1
1
1
2
2
1
0

Precipitation Amount (mm)

0.11
0.15
0.2
0.28
0.34
0.27
0.17
0.14
0.14
0.16
0.15
0.1
0.05
0.03
0.02
0
0
0.01
0.02
0.03
0.02
0.02
0.02
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
19
19
20
20
21
22
23
22
22
21
21
19
18
18
17
17
17
16
16
16
15
15
16

Feels Like (°C)

19
19
19
20
21
22
23
23
23
22
22
21
20
19
18
17
17
17
17
16
16
15
15
16

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
93
92
90
88
85
85
84
84
85
87
88
89
91
92
93
93
93
94
96
94
91

Pressure (mb)

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

Ozone (du)

299
298
297
296
295
295
294
293
293
293
293
292
291
291
291
291
291
291
292
293
295
298
300
300

Saturday 15

Waning Crescent 17%

02:12

18:27

09 Good
10 Good
11 Good
12 Good
13 OK
14 OK
15 OK
16 OK
17 OK
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

Sun - Rise: 05:55, Set: 20:28, Transit: 13:11. Moon - Rise: 02:12, Set: 18:27. Civil Dark: 21:05 - 05:18. Nautical Dark: 21:53 - 04:31. Astro Dark: 22:50 - 03:34

Total Clouds (% Sky Obscured)

14
14
14
14
47
47
47
47
47
47
77
77
77
77
77
77
30
30
30
30
30
30
100
100

Low Clouds (% Sky Obscured)

14
14
14
14
47
47
47
47
47
47
12
12
12
12
12
12
8
8
8
8
8
8
1
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
3
3
3
3
3
3
7
7
7
7
7
7
77
77

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
73
73
73
73
73
73
24
24
24
24
24
24
99
99

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
8
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

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
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
4
7
10
13
20
27
32
31
30
23
16
12

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.03
0.06
0.09
0.12
0.16
0.18
0.19
0.19
0.18
0.15
0.13
0.09

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
18
19
20
21
22
23
23
24
23
23
22
20
19
18
17
17
17
16
16
15
15
16
17

Feels Like (°C)

17
18
19
20
22
22
23
24
24
24
23
22
20
19
18
18
17
17
16
16
15
16
16
17

Dew Point (°C)

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

Relative Humidity (%)

87
83
81
79
77
74
70
68
67
70
73
78
81
83
84
87
90
94
96
99
100
99
97
95

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1017

Ozone (du)

300
300
301
301
302
303
305
306
306
307
306
305
304
303
302
302
302
303
304
304
303
302
302
301

Sunday 16

Waning Crescent 9%

03:17

19:20

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 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Bad
08 Bad

Sun - Rise: 05:57, Set: 20:26, Transit: 13:11. Moon - Rise: 03:17, Set: 19:20. Civil Dark: 21:03 - 05:20. Nautical Dark: 21:51 - 04:33. Astro Dark: 22:47 - 03:37

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
58
58
58
58
58
58
6
6
6
6
6
6
100
100

Low Clouds (% Sky Obscured)

1
1
1
1
32
32
32
32
32
32
27
27
27
27
27
27
2
2
2
2
2
2
100
100

Medium Clouds (% Sky Obscured)

77
77
77
77
100
100
100
100
100
100
11
11
11
11
11
11
2
2
2
2
2
2
5
5

High Clouds (% Sky Obscured)

99
99
99
99
100
100
100
100
100
100
44
44
44
44
44
44
2
2
2
2
2
2
33
33

ISS Passover

Visibility (miles)

10
10
10
9
7
7
9
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
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

11
11
10
10
11
11
14
18
15
11
7
5
3
3
2
2
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.05
0.04
0.05
0.08
0.14
0.29
0.52
0.67
0.58
0.37
0.23
0.16
0.11
0.06
0.03
0.01
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
18
19
20
21
22
23
23
23
22
21
20
19
18
17
16
16
15
15
15
14
14
15
16

Feels Like (°C)

17
18
19
21
22
23
23
23
23
22
22
20
19
18
17
16
16
15
15
15
14
14
15
16

Dew Point (°C)

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

Relative Humidity (%)

93
92
91
88
84
80
77
74
76
79
82
84
84
85
87
90
94
95
96
96
97
96
95
93

Pressure (mb)

1017
1017
1017
1017
1016
1016
1016
1016
1015
1015
1015
1016
1016
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1017

Ozone (du)

301
300
299
298
298
298
299
300
302
305
308
309
309
310
311
312
313
312
310
309
309
309
309
309

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

Generated: 10/08/20 09:41:48. Forecast: 10/08/20 to 16/08/20. Timezone: UTC+1.00