Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 3

Waning Crescent 17%

01:10

No Set

18 Bad
19 Bad
20 Bad
21 OK
22 OK
23 OK
00 Bad
01 Bad
02 Bad
03 OK
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

Sun - Rise: 05:31, Set: 20:43, Transit: 13:06. Moon - Rise: 01:10, Set: No Set. Civil Dark: 21:22 - 04:52. Nautical Dark: 22:14 - 04:01. Astro Dark: 23:23 - 02:53

Total Clouds (% Sky Obscured)

47
42
45
41
32
39
61
76
51
34
34
62
66
69
77
82
86
84
80
74
70
57
54
56

Low Clouds (% Sky Obscured)

41
34
34
33
23
13
4
2
0
0
1
2
5
1
1
14
31
28
24
30
27
39
25
23

Medium Clouds (% Sky Obscured)

33
34
38
30
27
19
11
8
27
32
30
59
63
67
75
79
83
83
77
53
43
34
45
49

High Clouds (% Sky Obscured)

0
0
0
0
2
24
57
74
41
11
23
18
13
12
11
11
7
6
11
36
41
2
1
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
9
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
Moderate Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
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 (%)

11
31
14
8
8
6
6
6
0
0
0
0
0
14
13
10
7
7
6
9
10
11
9
8

Precipitation Amount (mm)

0.11
2.91
0.11
0.04
0.04
0.02
0.02
0.02
0
0
0
0
0
0.08
0.08
0.05
0.04
0.05
0.06
0.11
0.14
0.13
0.13
0.11

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
77
78
80
81
82
84
87
88
90
91
94
97
100
100
96
90
85
79
74
71
70
70
70

Pressure (mb)

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

Ozone (du)

335
335
335
334
334
335
335
342
344
344
344
344
344
343
343
343
344
346
347
346
347
349
351
351

Wednesday 4

Waning Crescent 10%

01:49

18:19

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

Sun - Rise: 05:33, Set: 20:41, Transit: 13:06. Moon - Rise: 01:49, Set: 18:19. Civil Dark: 21:20 - 04:54. Nautical Dark: 22:12 - 04:03. Astro Dark: 23:19 - 02:57

Total Clouds (% Sky Obscured)

53
38
33
23
16
98
99
99
94
89
99
98
86
80
63
29
71
53
86
81
78
82
93
100

Low Clouds (% Sky Obscured)

20
8
19
2
9
11
2
2
1
0
3
19
14
14
14
23
59
42
26
21
65
31
34
16

Medium Clouds (% Sky Obscured)

48
35
28
22
14
14
10
4
2
70
83
84
84
77
57
9
36
9
55
64
32
26
71
98

High Clouds (% Sky Obscured)

0
0
0
0
0
98
99
99
94
87
99
84
2
0
0
0
0
14
75
56
23
70
66
95

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
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 (%)

9
7
5
3
3
3
3
3
0
0
0
0
0
0
4
6
7
8
10
15
18
22
28
29

Precipitation Amount (mm)

0.14
0.08
0.05
0.02
0.03
0.01
0.02
0.01
0
0
0
0
0
0
0.01
0.02
0.04
0.06
0.07
0.16
0.2
0.26
0.31
0.3

Wind Speed/Direction (mph)

7
7
7
6
5
4
4
5
5
4
5
5
6
6
9
11
12
13
14
15
15
14
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
70
73
76
79
82
83
89
92
95
97
99
100
100
100
95
91
89
89
89
87
85
84
86

Pressure (mb)

1012
1012
1013
1013
1013
1013
1013
1012
1012
1012
1011
1011
1010
1010
1010
1009
1009
1008
1007
1006
1005
1005
1004
1003

Ozone (du)

350
346
341
340
339
337
335
335
335
336
336
336
337
339
338
338
339
339
339
343
344
345
346
346

Thursday 5

Waning Crescent 5%

02:40

19:15

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
17 Bad

Sun - Rise: 05:34, Set: 20:40, Transit: 13:06. Moon - Rise: 02:40, Set: 19:15. Civil Dark: 21:19 - 04:56. Nautical Dark: 22:10 - 04:05. Astro Dark: 23:16 - 03:00

Total Clouds (% Sky Obscured)

100
100
100
100
88
100
71
39
98
78
91
100
99
68
68
68
68
68
68
40
40
40
40
40

Low Clouds (% Sky Obscured)

100
100
100
100
41
100
66
35
98
70
90
100
99
64
64
64
64
64
64
18
18
18
18
18

Medium Clouds (% Sky Obscured)

100
100
100
34
81
91
29
15
49
53
23
34
30
17
17
17
17
17
17
35
35
35
35
35

High Clouds (% Sky Obscured)

98
96
95
95
23
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
7
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
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 (%)

26
23
23
36
32
19
27
27
20
25
19
19
12
12
11
10
13
13
11
12
12
15
13
9

Precipitation Amount (mm)

0.25
0.32
0.27
0.62
0.45
0.13
0.28
0.31
0.19
0.34
0.24
0.23
0.11
0.1
0.12
0.11
0.16
0.18
0.14
0.16
0.15
0.19
0.14
0.11

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
86
87
87
87
88
89
90
91
92
94
96
98
100
100
100
97
92
88
87
85
83
83
83

Pressure (mb)

1002
1002
1002
1002
1001
1001
1001
1000
1000
1000
1000
1000
1000
1000
1000
1001
1001
1001
1001
1002
1002
1002
1002
1002

Ozone (du)

347
344
343
345
348
349
350
352
352
351
350
351
351
355
354
353
353
353
351
351
350
350
350
352

Friday 6

Waning Crescent 1%

03:42

20:02

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 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 05:36, Set: 20:38, Transit: 13:06. Moon - Rise: 03:42, Set: 20:02. Civil Dark: 21:17 - 04:57. Nautical Dark: 22:07 - 04:07. Astro Dark: 23:12 - 03:04

Total Clouds (% Sky Obscured)

40
26
26
26
26
26
26
16
16
16
16
16
16
91
91
91
91
91
91
92
92
92
92
92

Low Clouds (% Sky Obscured)

18
11
11
11
11
11
11
14
14
14
14
14
14
39
39
39
39
39
39
35
35
35
35
35

Medium Clouds (% Sky Obscured)

35
13
13
13
13
13
13
4
4
4
4
4
4
27
27
27
27
27
27
27
27
27
27
27

High Clouds (% Sky Obscured)

0
9
9
9
9
9
9
0
0
0
0
0
0
84
84
84
84
84
84
89
89
89
89
89

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

12
11
9
6
4
0
0
0
7
12
15
25
33
44
34
30
24
15
18
20
19
17
16
14

Precipitation Amount (mm)

0.14
0.16
0.1
0.03
0.01
0
0
0
0.01
0.04
0.06
0.11
0.17
0.37
0.32
0.33
0.31
0.23
0.25
0.27
0.24
0.21
0.22
0.14

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
83
86
87
88
89
90
91
94
97
98
100
100
100
100
100
100
96
89
87
85
82
80
79

Pressure (mb)

1002
1003
1003
1003
1004
1004
1004
1003
1003
1002
1002
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1001
1002

Ozone (du)

353
352
354
354
353
353
354
358
357
357
357
358
356
358
360
362
363
364
364
362
361
361
361
361

Saturday 7

Waning Crescent 0%

04:53

20:39

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

Sun - Rise: 05:37, Set: 20:36, Transit: 13:06. Moon - Rise: 04:53, Set: 20:39. Civil Dark: 21:15 - 04:59. Nautical Dark: 22:05 - 04:09. Astro Dark: 23:08 - 03:07

Total Clouds (% Sky Obscured)

92
72
72
72
72
72
72
29
29
29
29
29
29
22
22
22
22
22
22
73
73
73
73
73

Low Clouds (% Sky Obscured)

35
35
35
35
35
35
35
1
1
1
1
1
1
8
8
8
8
8
8
61
61
61
61
61

Medium Clouds (% Sky Obscured)

27
28
28
28
28
28
28
27
27
27
27
27
27
8
8
8
8
8
8
9
9
9
9
9

High Clouds (% Sky Obscured)

89
55
55
55
55
55
55
2
2
2
2
2
2
14
14
14
14
14
14
38
38
38
38
38

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
Light Rain
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

Precipitation Probability (%)

12
18
17
10
10
8
13
15
10
7
6
11
22
38
31
11
0
5
7
9
10
12
14
17

Precipitation Amount (mm)

0.11
0.17
0.14
0.05
0.05
0.04
0.09
0.14
0.07
0.02
0.01
0.09
0.36
0.89
0.52
0.09
0
0.01
0.04
0.08
0.07
0.06
0.07
0.08

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
84
87
90
91
91
93
96
99
100
100
100
100
100
100
100
100
99
93
89
86
86
87
88

Pressure (mb)

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

Ozone (du)

360
352
351
352
353
354
354
352
351
350
349
349
348
347
347
349
351
351
351
351
351
350
350
349

Sunday 8

New Moon 1%

06:09

21:08

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

Sun - Rise: 05:39, Set: 20:34, Transit: 13:06. Moon - Rise: 06:09, Set: 21:08. Civil Dark: 21:13 - 05:01. Nautical Dark: 22:02 - 04:11. Astro Dark: 23:05 - 03:10

Total Clouds (% Sky Obscured)

73
34
34
34
34
34
34
1
1
1
1
1
1
20
20
20
20
20
20
81
81
81
81
81

Low Clouds (% Sky Obscured)

61
14
14
14
14
14
14
0
0
0
0
0
0
2
2
2
2
2
2
80
80
80
80
80

Medium Clouds (% Sky Obscured)

9
31
31
31
31
31
31
1
1
1
1
1
1
13
13
13
13
13
13
10
10
10
10
10

High Clouds (% Sky Obscured)

38
0
0
0
0
0
0
0
0
0
0
0
0
6
6
6
6
6
6
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
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
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
None

Precipitation Probability (%)

18
18
14
9
6
4
0
0
7
16
23
18
8
0
8
16
19
14
8
6
6
6
6
5

Precipitation Amount (mm)

0.1
0.09
0.07
0.04
0.02
0.01
0
0
0.02
0.12
0.21
0.11
0.01
0
0.02
0.13
0.24
0.15
0.06
0.07
0.08
0.08
0.08
0.07

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
89
90
92
93
94
95
96
99
100
100
100
100
100
100
100
100
100
100
96
91
86
82
81

Pressure (mb)

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

Ozone (du)

348
347
347
346
346
345
345
345
343
341
339
338
337
335
333
330
328
327
327
327
325
323
322
321

Monday 9

Waxing Crescent 5%

07:28

21:31

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 OK
11 OK
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 05:40, Set: 20:32, Transit: 13:06. Moon - Rise: 07:28, Set: 21:31. Civil Dark: 21:11 - 05:03. Nautical Dark: 22:00 - 04:14. Astro Dark: 23:01 - 03:13

Total Clouds (% Sky Obscured)

81
36
36
36
36
36
36
28
28
28
28
28
28
41
41
41
41
41
41
100
100
100
100
100

Low Clouds (% Sky Obscured)

80
23
23
23
23
23
23
20
20
20
20
20
20
27
27
27
27
27
27
100
100
100
100
100

Medium Clouds (% Sky Obscured)

10
20
20
20
20
20
20
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
9
9
9
9
9
9
10
10
10
10
10
10
20
20
20
20
20
20
9
9
9
9
9

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

Precipitation Probability (%)

5
6
5
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
12
11
9
8
8
7
7
6
6
6
6
5
6
7
8
9
10
11
11
12
12
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
83
85
88
90
93
98
100
100
100
100
100
100
100
100
100
100
100
94
89
86
87
89
92

Pressure (mb)

1016
1017
1017
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1020
1020
1021
1021
1020
1020
1020
1020
1020

Ozone (du)

321
320
320
320
320
320
320
319
318
317
316
316
315
314
314
314
314
314
314
313
313
312
312
312

Forecast for Crawley, West Sussex, UK (51.11,-0.19)

Generated: 03/08/21 18:25:36. Forecast: 03/08/21 to 09/08/21. Timezone: UTC+1.00