Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 1

Waning Crescent 34%

00:16

16:14

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

Sun - Rise: 05:27, Set: 20:51, Transit: 13:09. Moon - Rise: 00:16, Set: 16:14. Civil Dark: 21:33 - 04:47. Nautical Dark: 22:29 - 03:52. Astro Dark: 23:48 - 02:35

Total Clouds (% Sky Obscured)

40
35
34
35
38
34
39
46
45
58
27
19
21
30
31
72
70
98
100
100
100
100
99
100

Low Clouds (% Sky Obscured)

23
17
20
18
17
24
25
27
23
42
2
8
16
26
13
65
26
34
34
63
19
21
30
44

Medium Clouds (% Sky Obscured)

32
31
30
31
36
29
33
40
41
48
27
17
16
21
29
35
52
53
62
47
48
56
87
98

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
35
97
100
100
100
99
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
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
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
3
0
0
3
0
0
0
0
0
0
0
0
0
3
3
0
0
1
2
5
10
6
9

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
81
81
82
85
86
87
89
91
93
94
93
90
86
82
76
68
63
60
58
60
66
69
72

Pressure (mb)

1014
1014
1014
1015
1014
1014
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1015
1015
1015
1014
1014
1014
1014
1014

Ozone (du)

345
344
344
344
344
344
344
344
344
343
344
343
344
345
344
345
345
345
343
342
341
343
346
347

Monday 2

Waning Crescent 25%

00:38

17:23

21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 OK
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: 05:29, Set: 20:49, Transit: 13:09. Moon - Rise: 00:38, Set: 17:23. Civil Dark: 21:31 - 04:48. Nautical Dark: 22:26 - 03:54. Astro Dark: 23:43 - 02:39

Total Clouds (% Sky Obscured)

100
99
99
98
98
91
11
2
25
41
46
54
57
52
86
98
98
98
99
85
61
81
92
96

Low Clouds (% Sky Obscured)

33
25
20
0
1
8
0
0
18
36
26
19
46
24
50
98
82
9
1
6
27
16
23
34

Medium Clouds (% Sky Obscured)

100
99
99
98
98
91
10
2
15
34
43
52
43
33
24
23
78
62
78
43
56
39
56
53

High Clouds (% Sky Obscured)

99
23
0
0
0
0
0
0
0
0
0
0
0
20
73
86
92
95
95
77
5
68
82
91

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
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 (%)

11
13
14
13
7
5
4
0
0
0
0
0
0
1
3
3
2
2
2
3
3
3
9
10

Precipitation Amount (mm)

0.11
0.19
0.2
0.15
0.08
0.04
0.01
0
0
0
0
0
0
0.01
0.01
0.01
0.03
0.1
0.13
0.11
0.07
0.07
0.1
0.06

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
76
79
81
85
88
92
95
98
100
100
97
92
86
81
75
69
64
62
64
66
69
77
80

Pressure (mb)

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

Ozone (du)

348
347
347
345
345
341
339
338
338
339
337
336
334
333
330
328
329
329
329
328
329
331
332
332

Tuesday 3

Waning Crescent 17%

01:07

18:27

21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 OK
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: 05:30, Set: 20:47, Transit: 13:09. Moon - Rise: 01:07, Set: 18:27. Civil Dark: 21:29 - 04:50. Nautical Dark: 22:24 - 03:56. Astro Dark: 23:39 - 02:43

Total Clouds (% Sky Obscured)

98
95
90
79
84
78
38
41
87
98
97
97
97
97
97
97
98
98
98
98
98
98
35
35

Low Clouds (% Sky Obscured)

16
21
21
23
16
7
0
1
0
0
0
0
0
0
0
0
98
98
98
98
98
98
5
5

Medium Clouds (% Sky Obscured)

66
66
59
54
46
37
35
38
46
49
44
44
44
44
44
44
2
2
2
2
2
2
34
34

High Clouds (% Sky Obscured)

94
85
73
54
70
66
6
6
71
98
95
95
95
95
95
95
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
8
7
8
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 (%)

10
10
8
9
11
12
9
8
8
7
18
14
9
5
5
4
0
0
0
0
0
2
2
3

Precipitation Amount (mm)

0.06
0.07
0.07
0.06
0.06
0.06
0.03
0.03
0.02
0.02
0.16
0.12
0.06
0.03
0.02
0.01
0
0
0
0
0
0.01
0.02
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
15
15
14
14
13
13
12
12
11
12
13
15
16
17
18
20
21
22
22
22
22
20
18

Feels Like (°C)

16
15
15
14
14
13
13
12
12
11
12
13
15
16
17
18
20
21
22
22
22
22
20
18

Dew Point (°C)

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

Relative Humidity (%)

82
85
87
88
90
92
94
96
100
100
100
100
100
96
92
87
70
64
61
60
59
62
69
77

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1013
1013
1012
1013
1013
1012
1012
1012
1011
1011
1012

Ozone (du)

333
333
333
334
338
338
339
339
339
339
340
340
342
343
344
344
343
344
343
341
339
335
332
331

Wednesday 4

Waning Crescent 10%

01:46

19:23

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
17 Bad
18 Bad
19 OK
20 OK

Sun - Rise: 05:32, Set: 20:45, Transit: 13:09. Moon - Rise: 01:46, Set: 19:23. Civil Dark: 21:27 - 04:52. Nautical Dark: 22:21 - 03:59. Astro Dark: 23:34 - 02:47

Total Clouds (% Sky Obscured)

35
35
35
35
99
99
99
99
99
99
99
99
99
99
99
99
48
48
48
48
48
48
29
29

Low Clouds (% Sky Obscured)

5
5
5
5
2
2
2
2
2
2
18
18
18
18
18
18
14
14
14
14
14
14
14
14

Medium Clouds (% Sky Obscured)

34
34
34
34
13
13
13
13
13
13
91
91
91
91
91
91
45
45
45
45
45
45
23
23

High Clouds (% Sky Obscured)

0
0
0
0
99
99
99
99
99
99
98
98
98
98
98
98
0
0
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
9
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
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 (%)

2
2
0
0
4
0
0
0
0
0
0
7
0
10
7
6
9
14
12
13
15
22
18
16

Precipitation Amount (mm)

0.01
0.01
0
0
0.01
0
0
0
0
0
0
0.01
0
0.01
0.02
0.03
0.09
0.21
0.16
0.16
0.16
0.22
0.14
0.19

Wind Speed/Direction (mph)

7
7
7
7
7
7
6
6
6
7
8
9
10
10
12
13
14
15
14
14
14
14
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

13
13
12
12
13
13
13
12
12
12
13
14
15
16
16
16
17
17
16
16
16
16
16
15

Relative Humidity (%)

80
84
86
90
94
98
99
100
100
100
100
100
100
100
96
92
91
81
79
80
83
84
85
87

Pressure (mb)

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

Ozone (du)

331
330
330
330
331
333
338
339
338
340
341
343
345
345
346
348
350
351
351
351
350
351
353
353

Thursday 5

Waning Crescent 5%

02:37

20:10

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

Sun - Rise: 05:34, Set: 20:44, Transit: 13:09. Moon - Rise: 02:37, Set: 20:10. Civil Dark: 21:25 - 04:54. Nautical Dark: 22:19 - 04:01. Astro Dark: 23:30 - 02:51

Total Clouds (% Sky Obscured)

29
29
29
29
52
52
52
52
52
52
0
0
0
0
0
0
77
77
77
77
77
77
73
73

Low Clouds (% Sky Obscured)

14
14
14
14
7
7
7
7
7
7
0
0
0
0
0
0
76
76
76
76
76
76
2
2

Medium Clouds (% Sky Obscured)

23
23
23
23
49
49
49
49
49
49
0
0
0
0
0
0
6
6
6
6
6
6
16
16

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
68
68

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
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

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

Precipitation Probability (%)

12
9
8
9
13
9
11
10
11
10
13
9
7
6
4
4
5
9
19
25
26
25
26
24

Precipitation Amount (mm)

0.07
0.1
0.06
0.06
0.07
0.04
0.05
0.08
0.08
0.07
0.07
0.05
0.04
0.03
0.04
0.07
0.11
0.17
0.27
0.35
0.34
0.29
0.24
0.17

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
91
92
94
95
97
100
100
100
100
100
100
100
100
95
90
87
89
94
98
100
98
98
98

Pressure (mb)

1001
1001
1001
1001
1001
1000
1000
1000
1000
1000
1000
1000
1001
1001
1000
1000
1000
999
999
999
999
998
998
998

Ozone (du)

353
354
353
353
351
351
351
351
351
352
356
356
357
356
354
351
350
351
353
354
355
355
355
355

Friday 6

Waning Crescent 1%

03:39

20:46

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: 05:35, Set: 20:42, Transit: 13:08. Moon - Rise: 03:39, Set: 20:46. Civil Dark: 21:23 - 04:56. Nautical Dark: 22:16 - 04:03. Astro Dark: 23:26 - 02:55

Total Clouds (% Sky Obscured)

73
73
73
73
69
69
69
69
69
69
83
83
83
83
83
83
77
77
77
77
77
77
70
70

Low Clouds (% Sky Obscured)

2
2
2
2
25
25
25
25
25
25
50
50
50
50
50
50
8
8
8
8
8
8
6
6

Medium Clouds (% Sky Obscured)

16
16
16
16
41
41
41
41
41
41
59
59
59
59
59
59
52
52
52
52
52
52
63
63

High Clouds (% Sky Obscured)

68
68
68
68
50
50
50
50
50
50
50
50
50
50
50
50
58
58
58
58
58
58
28
28

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

21
18
16
16
0
14
17
19
24
25
21
14
11
10
9
8
10
16
28
35
34
30
26
24

Precipitation Amount (mm)

0.11
0.07
0.04
0.01
0
0.01
0.04
0.08
0.12
0.18
0.21
0.17
0.14
0.15
0.14
0.11
0.11
0.21
0.42
0.57
0.52
0.41
0.33
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
15
14
14
13
13
12
12
12
13
13
14
15
15
16
17
18
18
18
18
18
17
17
16

Feels Like (°C)

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

Dew Point (°C)

15
14
14
13
13
13
12
12
12
13
13
14
15
15
16
17
17
18
18
18
17
17
16
16

Relative Humidity (%)

98
98
98
99
100
100
100
100
100
100
100
100
100
100
100
100
97
96
97
99
98
97
96
97

Pressure (mb)

999
999
999
1000
1000
999
999
999
998
998
999
999
999
999
999
999
1000
1000
1000
1000
1000
1001
1001
1002

Ozone (du)

355
356
356
356
357
358
359
360
361
362
362
363
363
363
363
363
363
362
360
358
357
357
357
357

Saturday 7

Waning Crescent 0%

04:51

No Set

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: 05:37, Set: 20:40, Transit: 13:08. Moon - Rise: 04:51, Set: No Set. Civil Dark: 21:21 - 04:57. Nautical Dark: 22:14 - 04:06. Astro Dark: 23:22 - 02:59

Total Clouds (% Sky Obscured)

70
70
70
70
100
100
100
100
100
100
53
53
53
53
53
53
91
91
91
91
91
91
63
63

Low Clouds (% Sky Obscured)

6
6
6
6
100
100
100
100
100
100
47
47
47
47
47
47
84
84
84
84
84
84
17
17

Medium Clouds (% Sky Obscured)

63
63
63
63
14
14
14
14
14
14
20
20
20
20
20
20
22
22
22
22
22
22
29
29

High Clouds (% Sky Obscured)

28
28
28
28
11
11
11
11
11
11
1
1
1
1
1
1
50
50
50
50
50
50
45
45

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

Precipitation Probability (%)

18
13
9
0
0
0
0
0
0
5
6
6
0
2
7
11
10
9
10
10
9
9
10
10

Precipitation Amount (mm)

0.08
0.03
0.01
0
0
0
0
0
0
0.01
0.02
0.01
0
0.01
0.01
0.04
0.06
0.05
0.04
0.04
0.04
0.04
0.03
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

15
14
13
13
13
12
12
12
12
12
12
14
15
16
17
18
18
18
18
18
18
18
18
17

Relative Humidity (%)

98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
99
95
91
87
87
89
91
93
94

Pressure (mb)

1002
1003
1004
1005
1005
1005
1005
1005
1006
1006
1006
1006
1007
1007
1008
1008
1008
1008
1008
1008
1009
1009
1009
1010

Ozone (du)

358
359
361
362
363
363
362
360
356
351
347
343
339
337
335
333
332
331
331
330
328
326
324
324

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

Generated: 01/08/21 20:38:13. Forecast: 01/08/21 to 07/08/21. Timezone: UTC+1.00