Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 3

Waning Crescent 17%

01:04

17:09

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

Sun - Rise: 05:25, Set: 20:37, Transit: 13:00. Moon - Rise: 01:04, Set: 17:09. Civil Dark: 21:16 - 04:46. Nautical Dark: 22:09 - 03:54. Astro Dark: 23:17 - 02:47

Total Clouds (% Sky Obscured)

33
25
20
6
8
13
16
6
10
21
16
17
28
28
24
53
58
45
47
33
41
21
19
17

Low Clouds (% Sky Obscured)

9
4
6
2
6
13
16
6
10
20
14
16
23
13
1
22
49
38
41
25
34
14
12
11

Medium Clouds (% Sky Obscured)

31
24
18
6
5
3
2
1
1
2
2
6
16
25
21
41
27
24
17
16
18
13
14
13

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
2
0
2
7
15
14
1
0
0
0
0
0
0
1

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
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
4
0
0
7
8
8
7
7
7
9
11
9
9

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
69
71
73
75
77
77
77
77
78
79
81
83
85
89
88
88
87
84
81
78
76
75
75

Pressure (mb)

1014
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

331
331
330
331
333
333
335
335
341
342
342
343
345
345
344
344
344
344
346
348
344
345
347
348

Wednesday 4

Waning Crescent 10%

01:43

18:13

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

Sun - Rise: 05:27, Set: 20:35, Transit: 13:00. Moon - Rise: 01:43, Set: 18:13. Civil Dark: 21:15 - 04:48. Nautical Dark: 22:06 - 03:57. Astro Dark: 23:14 - 02:51

Total Clouds (% Sky Obscured)

20
18
43
20
13
6
2
11
81
95
84
92
93
90
98
70
80
72
2
11
13
85
79
80

Low Clouds (% Sky Obscured)

13
10
6
3
1
1
1
0
1
1
1
2
2
8
16
20
21
2
1
9
1
0
0
2

Medium Clouds (% Sky Obscured)

14
14
17
19
13
6
1
0
0
0
0
1
0
25
81
62
74
72
1
1
1
40
73
52

High Clouds (% Sky Obscured)

0
0
30
0
0
0
0
10
81
95
84
91
93
89
97
8
0
0
0
0
11
79
39
58

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
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 (%)

7
6
4
3
4
4
3
3
3
3
0
0
0
0
0
0
5
5
5
3
5
6
9
14

Precipitation Amount (mm)

0.03
0.02
0.02
0.01
0.02
0.02
0.01
0.01
0.01
0.01
0
0
0
0
0
0
0.01
0.01
0.01
0.01
0.02
0.05
0.1
0.15

Wind Speed/Direction (mph)

5
5
7
7
7
8
7
7
7
8
9
9
10
10
10
11
12
14
15
15
17
17
15
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
75
75
77
79
81
82
82
84
86
87
90
93
95
96
94
92
90
87
85
85
84
84
84

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1011
1011
1011
1011
1010
1010
1010
1009
1009
1008
1007
1006
1005

Ozone (du)

348
348
343
343
343
344
343
339
338
337
336
335
335
336
338
339
340
341
341
341
342
342
344
345

Thursday 5

Waning Crescent 5%

02:34

19:09

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 OK
15 OK
16 OK

Sun - Rise: 05:28, Set: 20:34, Transit: 13:00. Moon - Rise: 02:34, Set: 19:09. Civil Dark: 21:13 - 04:50. Nautical Dark: 22:04 - 03:59. Astro Dark: 23:10 - 02:54

Total Clouds (% Sky Obscured)

58
99
99
100
100
99
100
100
58
94
27
41
45
36
56
56
56
56
56
56
27
27
27
27

Low Clouds (% Sky Obscured)

22
2
3
100
22
96
92
96
24
7
9
29
28
10
31
31
31
31
31
31
16
16
16
16

Medium Clouds (% Sky Obscured)

40
70
66
96
100
83
95
100
42
93
24
31
34
33
45
45
45
45
45
45
22
22
22
22

High Clouds (% Sky Obscured)

24
97
98
98
93
94
97
97
19
4
0
0
0
0
0
0
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
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
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

20
33
32
33
34
40
34
23
20
16
16
14
10
13
18
20
16
13
9
9
7
7
5
5

Precipitation Amount (mm)

0.25
0.6
0.95
1.07
0.9
0.92
0.66
0.34
0.22
0.13
0.15
0.11
0.05
0.08
0.11
0.15
0.1
0.12
0.07
0.07
0.05
0.04
0.02
0.01

Wind Speed/Direction (mph)

13
12
15
16
17
17
16
17
19
19
19
20
20
19
19
21
21
22
23
25
26
27
27
26

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
85
88
91
91
92
93
92
91
91
91
93
97
100
100
100
100
99
95
91
90
88
86
85

Pressure (mb)

1005
1004
1004
1004
1003
1003
1002
1002
1001
1001
1001
1001
1001
1001
1000
1000
1000
1001
1001
1001
1002
1002
1002
1002

Ozone (du)

345
345
346
346
346
346
348
350
350
350
349
349
349
350
355
354
354
353
351
350
349
349
350
352

Friday 6

Waning Crescent 2%

03:36

19:56

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

Sun - Rise: 05:30, Set: 20:32, Transit: 13:00. Moon - Rise: 03:36, Set: 19:56. Civil Dark: 21:11 - 04:51. Nautical Dark: 22:01 - 04:01. Astro Dark: 23:06 - 02:57

Total Clouds (% Sky Obscured)

27
27
5
5
5
5
5
5
6
6
6
6
6
6
61
61
61
61
61
61
92
92
92
92

Low Clouds (% Sky Obscured)

16
16
4
4
4
4
4
4
6
6
6
6
6
6
11
11
11
11
11
11
29
29
29
29

Medium Clouds (% Sky Obscured)

22
22
2
2
2
2
2
2
2
2
2
2
2
2
32
32
32
32
32
32
16
16
16
16

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
41
41
41
41
41
41
90
90
90
90

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
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
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 (%)

3
3
4
0
0
0
0
0
0
0
0
3
7
9
10
13
17
20
21
18
17
17
15
16

Precipitation Amount (mm)

0.01
0.01
0.01
0
0
0
0
0
0
0
0
0.01
0.02
0.03
0.05
0.06
0.06
0.1
0.16
0.18
0.23
0.27
0.15
0.2

Wind Speed/Direction (mph)

26
24
22
21
19
18
17
16
16
15
15
15
15
14
16
17
17
17
18
19
19
18
18
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
86
86
87
89
91
92
92
94
95
95
95
96
99
100
100
99
100
98
95
93
89
85
82

Pressure (mb)

1003
1003
1003
1003
1003
1003
1004
1004
1003
1003
1003
1003
1003
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002
1002

Ozone (du)

352
353
351
351
351
351
351
353
355
355
356
357
357
356
355
356
357
358
360
361
362
361
361
360

Saturday 7

Waning Crescent 0%

04:47

20:33

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 OK
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 05:31, Set: 20:30, Transit: 13:00. Moon - Rise: 04:47, Set: 20:33. Civil Dark: 21:09 - 04:53. Nautical Dark: 21:59 - 04:03. Astro Dark: 23:03 - 03:01

Total Clouds (% Sky Obscured)

92
92
98
98
98
98
98
98
71
71
71
71
71
71
28
28
28
28
28
28
61
61
61
61

Low Clouds (% Sky Obscured)

29
29
1
1
1
1
1
1
6
6
6
6
6
6
0
0
0
0
0
0
46
46
46
46

Medium Clouds (% Sky Obscured)

16
16
1
1
1
1
1
1
31
31
31
31
31
31
23
23
23
23
23
23
8
8
8
8

High Clouds (% Sky Obscured)

90
90
98
98
98
98
98
98
62
62
62
62
62
62
13
13
13
13
13
13
36
36
36
36

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
Light Rain
Light Rain
Moderate Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

15
19
23
15
10
9
9
8
8
7
7
8
9
10
15
30
40
39
34
19
6
6
7
9

Precipitation Amount (mm)

0.18
0.18
0.21
0.12
0.06
0.07
0.07
0.05
0.05
0.04
0.03
0.04
0.03
0.04
0.08
0.52
1.82
2.73
1.61
0.3
0.02
0.02
0.02
0.03

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
88
93
95
97
98
98
98
100
100
100
100
100
100
100
100
100
100
99
95
92
91
92
93

Pressure (mb)

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

Ozone (du)

358
356
350
350
350
350
350
350
347
348
349
350
351
351
349
349
351
352
352
353
353
352
352
351

Sunday 8

New Moon 1%

06:03

21:02

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

Sun - Rise: 05:33, Set: 20:28, Transit: 13:00. Moon - Rise: 06:03, Set: 21:02. Civil Dark: 21:07 - 04:55. Nautical Dark: 21:57 - 04:05. Astro Dark: 22:59 - 03:04

Total Clouds (% Sky Obscured)

61
61
31
31
31
31
31
31
16
16
16
16
16
16
3
3
3
3
3
3
77
77
77
77

Low Clouds (% Sky Obscured)

46
46
0
0
0
0
0
0
1
1
1
1
1
1
0
0
0
0
0
0
72
72
72
72

Medium Clouds (% Sky Obscured)

8
8
21
21
21
21
21
21
16
16
16
16
16
16
3
3
3
3
3
3
56
56
56
56

High Clouds (% Sky Obscured)

36
36
19
19
19
19
19
19
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1

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

Precipitation Probability (%)

8
6
0
0
6
6
5
5
5
5
4
3
10
20
26
23
12
0
10
11
13
12
8
7

Precipitation Amount (mm)

0.02
0.01
0
0
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.03
0.12
0.19
0.11
0.02
0
0.02
0.15
0.27
0.2
0.1
0.07

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
95
96
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
95

Pressure (mb)

1010
1011
1011
1011
1012
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1015
1016
1016
1016
1016
1016
1016
1017

Ozone (du)

351
352
352
350
347
346
346
348
349
348
346
344
343
341
339
337
335
333
331
330
329
328
328
327

Monday 9

Waxing Crescent 5%

07:21

21:25

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 OK
06 OK
07 Good
08 Good
09 Good
10 Good
11 Good
12 Good
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 05:34, Set: 20:27, Transit: 13:00. Moon - Rise: 07:21, Set: 21:25. Civil Dark: 21:05 - 04:56. Nautical Dark: 21:54 - 04:07. Astro Dark: 22:56 - 03:07

Total Clouds (% Sky Obscured)

77
77
52
52
52
52
52
52
23
23
23
23
23
23
7
7
7
7
7
7
99
99
99
99

Low Clouds (% Sky Obscured)

72
72
1
1
1
1
1
1
8
8
8
8
8
8
5
5
5
5
5
5
99
99
99
99

Medium Clouds (% Sky Obscured)

56
56
49
49
49
49
49
49
6
6
6
6
6
6
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
1
3
3
3
3
3
3
16
16
16
16
16
16
2
2
2
2
2
2
47
47
47
47

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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

7
8
7
7
7
6
5
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

20
19
18
17
16
15
14
14
13
12
11
10
10
10
10
10
11
11
12
14
15
16
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
97
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
97
97
97

Pressure (mb)

1017
1017
1017
1017
1017
1018
1018
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1021
1021
1021
1020
1020
1020

Ozone (du)

325
324
323
322
323
323
323
322
322
321
320
319
318
316
315
315
315
315
314
314
313
313
312
312

Forecast for Dover, Kent, UK (51.13,1.31)

Generated: 03/08/21 17:24:53. Forecast: 03/08/21 to 09/08/21. Timezone: UTC+1.00