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 Bad
22 OK
23 OK
00 OK
01 OK
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 OK
16 OK
17 Bad

Sun - Rise: 05:32, Set: 20:47, Transit: 13:08. Moon - Rise: 01:10, Set: No Set. Civil Dark: 21:26 - 04:52. Nautical Dark: 22:19 - 04:00. Astro Dark: 23:30 - 02:50

Total Clouds (% Sky Obscured)

62
59
59
53
43
27
30
46
57
58
60
77
91
93
95
95
96
97
88
70
70
27
20
56

Low Clouds (% Sky Obscured)

26
14
22
21
13
16
13
15
5
0
0
1
29
26
7
0
3
13
11
6
7
6
6
51

Medium Clouds (% Sky Obscured)

61
59
57
52
40
22
20
20
16
13
16
23
35
43
44
49
56
52
30
9
19
19
18
16

High Clouds (% Sky Obscured)

0
0
0
0
0
0
11
32
48
52
56
76
88
91
95
95
95
96
87
66
65
11
1
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
9
9
10
10
10
10
10
10
10
10
10

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
29
26
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

5
8
10
9
8
7
5
6
0
0
0
0
0
11
10
6
5
4
4
4
5
4
3
4

Precipitation Amount (mm)

0.03
0.05
0.1
0.06
0.05
0.03
0.02
0.01
0
0
0
0
0
0.1
0.08
0.04
0.02
0.02
0.02
0.02
0.05
0.08
0.07
0.07

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
19
18
17
16
15
14
13
13
12
11
11
11
12
13
15
17
18
19
20
21
23
23
23

Feels Like (°C)

20
19
18
17
16
15
14
13
13
12
11
11
11
12
14
16
17
18
19
20
21
23
23
23

Dew Point (°C)

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

Relative Humidity (%)

62
71
75
78
82
84
85
87
89
90
93
96
100
100
100
97
92
87
81
68
60
56
55
58

Pressure (mb)

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

Ozone (du)

333
332
333
334
334
334
335
341
343
344
345
344
344
345
345
345
345
345
345
344
346
349
351
351

Wednesday 4

Waning Crescent 10%

01:49

18:23

18 OK
19 Bad
20 OK
21 OK
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: 05:33, Set: 20:45, Transit: 13:08. Moon - Rise: 01:49, Set: 18:23. Civil Dark: 21:24 - 04:54. Nautical Dark: 22:17 - 04:02. Astro Dark: 23:26 - 02:54

Total Clouds (% Sky Obscured)

17
51
23
26
91
98
99
94
91
91
98
86
84
81
63
53
46
61
83
88
85
98
98
100

Low Clouds (% Sky Obscured)

5
46
14
4
13
4
1
1
1
0
0
4
9
8
37
45
31
25
2
73
63
78
58
100

Medium Clouds (% Sky Obscured)

16
44
19
9
12
16
13
12
39
83
85
84
82
80
45
20
30
41
58
57
34
87
78
100

High Clouds (% Sky Obscured)

2
0
0
16
88
98
99
93
90
89
94
20
0
0
0
0
0
27
72
38
51
82
88
94

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
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

None
Very Light Rain
None
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

Precipitation Probability (%)

4
6
5
3
4
3
4
5
0
0
0
0
0
0
0
4
4
6
7
14
12
16
25
26

Precipitation Amount (mm)

0.08
0.08
0.09
0.01
0.03
0.02
0.02
0.02
0
0
0
0
0
0
0
0.01
0.02
0.04
0.07
0.16
0.13
0.1
0.1
0.12

Wind Speed/Direction (mph)

4
6
6
5
5
4
4
5
5
5
5
5
5
6
8
10
11
12
13
13
14
15
14
12

Chance of Frost

Temperature (°C)

22
20
19
17
16
15
14
14
13
13
12
13
13
13
15
17
19
20
20
19
19
19
18
18

Feels Like (°C)

22
20
19
17
16
15
14
14
13
13
12
13
13
13
15
17
19
20
20
20
19
19
18
18

Dew Point (°C)

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

Relative Humidity (%)

61
68
73
76
78
81
84
90
93
95
96
99
100
100
100
95
88
84
83
87
88
87
89
91

Pressure (mb)

1012
1012
1012
1012
1012
1013
1012
1012
1012
1011
1010
1010
1010
1009
1009
1008
1008
1007
1006
1005
1004
1004
1003
1002

Ozone (du)

349
343
340
339
338
337
337
337
336
336
335
336
338
338
338
339
338
339
340
344
344
344
344
345

Thursday 5

Waning Crescent 5%

02:40

19:20

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: 05:35, Set: 20:43, Transit: 13:08. Moon - Rise: 02:40, Set: 19:20. Civil Dark: 21:22 - 04:56. Nautical Dark: 22:14 - 04:04. Astro Dark: 23:22 - 02:58

Total Clouds (% Sky Obscured)

100
100
100
91
73
100
64
31
65
87
56
96
96
45
45
45
45
45
45
41
41
41
41
41

Low Clouds (% Sky Obscured)

74
97
94
40
23
100
35
18
57
85
56
95
95
37
37
37
37
37
37
23
23
23
23
23

Medium Clouds (% Sky Obscured)

91
95
95
48
70
95
56
22
43
17
9
31
29
23
23
23
23
23
23
28
28
28
28
28

High Clouds (% Sky Obscured)

98
98
96
83
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
2

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
8

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
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 (%)

22
42
34
24
11
12
18
15
19
20
10
12
6
7
7
9
12
12
11
12
16
20
20
19

Precipitation Amount (mm)

0.2
0.6
0.39
0.22
0.08
0.11
0.17
0.12
0.19
0.18
0.06
0.09
0.02
0.02
0.02
0.05
0.1
0.17
0.14
0.2
0.2
0.21
0.21
0.26

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
91
91
91
92
92
93
94
96
98
100
100
100
100
99
92
87
85
86
85
88
89

Pressure (mb)

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

Ozone (du)

347
346
347
348
350
350
351
350
351
352
351
352
353
356
356
356
355
355
353
352
351
352
353
356

Friday 6

Waning Crescent 1%

03:42

20:06

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

Sun - Rise: 05:37, Set: 20:41, Transit: 13:08. Moon - Rise: 03:42, Set: 20:06. Civil Dark: 21:20 - 04:58. Nautical Dark: 22:12 - 04:07. Astro Dark: 23:19 - 03:01

Total Clouds (% Sky Obscured)

41
45
45
45
45
45
45
11
11
11
11
11
11
68
68
68
68
68
68
91
91
91
91
91

Low Clouds (% Sky Obscured)

23
23
23
23
23
23
23
0
0
0
0
0
0
9
9
9
9
9
9
74
74
74
74
74

Medium Clouds (% Sky Obscured)

28
37
37
37
37
37
37
11
11
11
11
11
11
22
22
22
22
22
22
23
23
23
23
23

High Clouds (% Sky Obscured)

2
6
6
6
6
6
6
0
0
0
0
0
0
59
59
59
59
59
59
73
73
73
73
73

ISS Passover

Visibility (miles)

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

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
None
None
None
None
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

Precipitation Probability (%)

22
19
14
10
10
7
7
6
0
0
0
0
12
20
33
45
43
33
22
21
16
16
15
16

Precipitation Amount (mm)

0.29
0.23
0.15
0.08
0.08
0.04
0.03
0.02
0
0
0
0
0.01
0.02
0.17
0.51
0.47
0.39
0.34
0.3
0.19
0.25
0.24
0.24

Wind Speed/Direction (mph)

15
13
12
11
11
11
10
9
9
8
8
7
7
9
9
10
10
10
10
10
10
12
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
89
92
93
94
94
95
98
100
100
100
100
100
100
100
100
100
94
90
84
81
78
79

Pressure (mb)

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

Ozone (du)

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

Saturday 7

Waning Crescent 0%

04:53

20:43

18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 OK
02 OK
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: 05:38, Set: 20:39, Transit: 13:08. Moon - Rise: 04:53, Set: 20:43. Civil Dark: 21:18 - 04:59. Nautical Dark: 22:09 - 04:09. Astro Dark: 23:15 - 03:05

Total Clouds (% Sky Obscured)

91
99
99
99
99
99
99
27
27
27
27
27
27
97
97
97
97
97
97
70
70
70
70
70

Low Clouds (% Sky Obscured)

74
5
5
5
5
5
5
0
0
0
0
0
0
5
5
5
5
5
5
67
67
67
67
67

Medium Clouds (% Sky Obscured)

23
42
42
42
42
42
42
26
26
26
26
26
26
95
95
95
95
95
95
8
8
8
8
8

High Clouds (% Sky Obscured)

73
98
98
98
98
98
98
3
3
3
3
3
3
88
88
88
88
88
88
12
12
12
12
12

ISS Passover

Visibility (miles)

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

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
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

Precipitation Probability (%)

19
21
18
13
16
9
8
7
12
30
42
43
31
13
8
6
6
9
13
18
20
20
18
16

Precipitation Amount (mm)

0.26
0.26
0.23
0.1
0.13
0.06
0.04
0.03
0.12
0.61
1.08
0.8
0.31
0.08
0.02
0.01
0.01
0.04
0.1
0.17
0.2
0.22
0.22
0.19

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
86
90
94
96
97
98
100
100
100
100
100
100
100
100
100
100
100
100
99
93
89
85
83

Pressure (mb)

1001
1002
1002
1003
1004
1004
1005
1004
1003
1004
1004
1004
1004
1004
1005
1006
1006
1007
1007
1007
1008
1008
1008
1009

Ozone (du)

357
351
351
351
353
353
353
352
352
352
351
351
351
348
348
348
348
349
349
350
351
352
351
350

Sunday 8

New Moon 1%

06:10

21:11

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

Sun - Rise: 05:40, Set: 20:38, Transit: 13:08. Moon - Rise: 06:10, Set: 21:11. Civil Dark: 21:16 - 05:01. Nautical Dark: 22:07 - 04:11. Astro Dark: 23:11 - 03:08

Total Clouds (% Sky Obscured)

70
34
34
34
34
34
34
9
9
9
9
9
9
9
9
9
9
9
9
72
72
72
72
72

Low Clouds (% Sky Obscured)

67
16
16
16
16
16
16
9
9
9
9
9
9
0
0
0
0
0
0
62
62
62
62
62

Medium Clouds (% Sky Obscured)

8
28
28
28
28
28
28
4
4
4
4
4
4
2
2
2
2
2
2
10
10
10
10
10

High Clouds (% Sky Obscured)

12
3
3
3
3
3
3
0
0
0
0
0
0
8
8
8
8
8
8
25
25
25
25
25

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
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
None
None

Precipitation Probability (%)

14
12
7
4
1
4
7
9
15
20
27
25
20
11
7
5
4
4
6
7
7
6
5
4

Precipitation Amount (mm)

0.14
0.09
0.04
0.01
0.01
0.01
0.02
0.04
0.08
0.13
0.15
0.11
0.06
0.02
0.01
0.01
0.02
0.03
0.06
0.09
0.09
0.08
0.06
0.05

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
85
88
91
94
96
98
100
100
100
100
100
100
100
100
100
100
100
99
93
86
81
77
78

Pressure (mb)

1009
1010
1011
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1015
1015
1015
1015
1015
1015
1016
1016
1016

Ozone (du)

347
345
345
346
345
344
342
341
339
338
337
335
333
331
330
329
328
328
328
327
325
324
322
321

Monday 9

Waxing Crescent 5%

07:29

21:34

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

Sun - Rise: 05:41, Set: 20:36, Transit: 13:08. Moon - Rise: 07:29, Set: 21:34. Civil Dark: 21:14 - 05:03. Nautical Dark: 22:04 - 04:13. Astro Dark: 23:07 - 03:11

Total Clouds (% Sky Obscured)

72
71
71
71
71
71
71
38
38
38
38
38
38
65
65
65
65
65
65
100
100
100
100
100

Low Clouds (% Sky Obscured)

62
14
14
14
14
14
14
6
6
6
6
6
6
23
23
23
23
23
23
100
100
100
100
100

Medium Clouds (% Sky Obscured)

10
47
47
47
47
47
47
1
1
1
1
1
1
0
0
0
0
0
0
1
1
1
1
1

High Clouds (% Sky Obscured)

25
45
45
45
45
45
45
34
34
34
34
34
34
54
54
54
54
54
54
59
59
59
59
59

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

Precipitation Probability (%)

4
4
4
3
0
0
0
0
0
0
0
0
4
6
4
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
20
19
18
17
16
15
15
15
14
15
15
15
16
17
18
19
20
21
22
23
24
23
22

Dew Point (°C)

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

Relative Humidity (%)

80
84
87
89
91
94
98
100
100
100
100
100
100
100
100
100
100
98
93
86
81
78
78
80

Pressure (mb)

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

Ozone (du)

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

Forecast for Maidenhead, Windsor and Maidenhead, UK (51.50,-0.70)

Generated: 03/08/21 18:00:31. Forecast: 03/08/21 to 09/08/21. Timezone: UTC+1.00