Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 3

Waning Crescent 17%

01:07

No Set

18 Bad
19 Bad
20 Bad
21 Bad
22 OK
23 OK
00 OK
01 Good
02 OK
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 OK
16 OK
17 OK

Sun - Rise: 05:30, Set: 20:48, Transit: 13:09. Moon - Rise: 01:07, Set: No Set. Civil Dark: 21:29 - 04:50. Nautical Dark: 22:23 - 03:56. Astro Dark: 23:38 - 02:44

Total Clouds (% Sky Obscured)

65
59
53
48
32
24
23
15
14
16
36
48
46
44
53
76
91
94
94
94
84
37
25
24

Low Clouds (% Sky Obscured)

31
24
18
9
5
7
9
6
5
1
0
2
2
2
0
0
3
10
9
2
2
8
6
6

Medium Clouds (% Sky Obscured)

61
57
52
47
31
22
20
13
12
13
13
13
12
9
7
2
1
1
1
3
4
20
24
24

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
27
40
38
38
50
75
91
94
94
94
84
24
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
8
7
7
9
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

72
84
8
7
8
7
6
5
0
0
0
0
0
18
12
6
5
4
4
0
0
0
0
0

Precipitation Amount (mm)

0.16
0.42
0.06
0.03
0.05
0.04
0.03
0.01
0
0
0
0
0
0.15
0.12
0.06
0.02
0.01
0.01
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
19
18
16
15
15
14
13
13
12
11
11
11
12
13
15
16
18
18
20
21
22
22
22

Feels Like (°C)

19
19
18
16
15
15
14
13
13
12
11
11
11
12
13
15
17
18
18
20
21
22
22
22

Dew Point (°C)

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

Relative Humidity (%)

66
73
75
77
80
81
83
86
88
91
94
97
100
100
100
97
92
86
80
64
59
56
54
54

Pressure (mb)

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

Ozone (du)

330
330
331
331
331
332
332
337
338
339
341
341
341
342
343
343
344
344
345
345
348
351
352
351

Wednesday 4

Waning Crescent 10%

01:46

18:26

18 Good
19 Good
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: 05:32, Set: 20:47, Transit: 13:08. Moon - Rise: 01:46, Set: 18:26. Civil Dark: 21:27 - 04:52. Nautical Dark: 22:21 - 03:59. Astro Dark: 23:33 - 02:48

Total Clouds (% Sky Obscured)

19
14
19
35
99
99
99
99
99
94
91
88
69
76
78
66
91
73
73
92
97
98
99
99

Low Clouds (% Sky Obscured)

6
1
14
20
15
4
2
0
1
1
0
1
2
5
44
61
71
70
18
44
84
87
20
24

Medium Clouds (% Sky Obscured)

17
14
13
13
11
9
6
10
22
79
84
87
68
74
63
13
79
9
46
64
94
63
92
91

High Clouds (% Sky Obscured)

0
0
0
15
98
99
99
99
99
92
81
19
2
0
0
0
0
0
65
79
17
83
91
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
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
5
7
10
9
14
17
27

Precipitation Amount (mm)

0
0.01
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.06
0.14
0.11
0.06
0.06
0.1

Wind Speed/Direction (mph)

4
5
5
6
7
7
7
7
7
7
7
7
7
7
9
10
12
13
13
15
15
15
15
14

Chance of Frost

Temperature (°C)

22
21
19
18
16
16
15
14
13
13
12
12
13
13
15
16
18
20
21
20
20
20
19
18

Feels Like (°C)

22
21
19
18
16
16
15
14
13
13
12
12
13
13
15
16
19
20
21
20
21
20
19
18

Dew Point (°C)

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

Relative Humidity (%)

56
64
67
70
73
75
78
84
88
91
94
97
100
100
100
92
85
80
77
82
80
81
82
87

Pressure (mb)

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

Ozone (du)

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

Thursday 5

Waning Crescent 5%

02:37

19:23

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: 05:33, Set: 20:45, Transit: 13:08. Moon - Rise: 02:37, Set: 19:23. Civil Dark: 21:25 - 04:54. Nautical Dark: 22:18 - 04:01. Astro Dark: 23:29 - 02:52

Total Clouds (% Sky Obscured)

99
100
99
98
70
98
97
79
51
100
100
100
97
78
78
78
78
78
78
48
48
48
48
48

Low Clouds (% Sky Obscured)

60
13
53
51
16
56
84
59
48
100
100
100
96
73
73
73
73
73
73
20
20
20
20
20

Medium Clouds (% Sky Obscured)

77
98
61
73
27
97
95
66
13
23
24
19
23
42
42
42
42
42
42
20
20
20
20
20

High Clouds (% Sky Obscured)

95
100
98
96
56
0
0
0
0
0
0
0
0
0
0
0
0
0
0
29
29
29
29
29

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
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 (%)

25
30
30
20
12
10
26
22
16
18
11
12
14
10
12
13
13
14
17
19
22
17
17
16

Precipitation Amount (mm)

0.23
0.32
0.52
0.3
0.14
0.08
0.31
0.24
0.13
0.14
0.05
0.05
0.08
0.04
0.09
0.08
0.12
0.23
0.3
0.27
0.31
0.24
0.21
0.15

Wind Speed/Direction (mph)

13
14
14
13
11
10
10
10
11
12
12
12
11
11
12
13
14
16
16
18
18
19
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
87
89
90
90
90
91
92
94
95
97
99
100
100
100
100
99
94
92
92
88
85
83
82

Pressure (mb)

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

Ozone (du)

345
347
349
350
351
350
350
349
350
351
351
351
352
356
357
358
359
359
356
354
354
355
356
358

Friday 6

Waning Crescent 1%

03:39

20:09

18 Bad
19 OK
20 OK
21 OK
22 Bad
23 Bad
00 Bad
01 OK
02 OK
03 Good
04 Good
05 Good
06 Good
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: 03:39, Set: 20:09. Civil Dark: 21:23 - 04:56. Nautical Dark: 22:16 - 04:03. Astro Dark: 23:25 - 02:55

Total Clouds (% Sky Obscured)

48
33
33
33
33
33
33
7
7
7
7
7
7
56
56
56
56
56
56
90
90
90
90
90

Low Clouds (% Sky Obscured)

20
11
11
11
11
11
11
3
3
3
3
3
3
16
16
16
16
16
16
23
23
23
23
23

Medium Clouds (% Sky Obscured)

20
27
27
27
27
27
27
6
6
6
6
6
6
20
20
20
20
20
20
34
34
34
34
34

High Clouds (% Sky Obscured)

29
6
6
6
6
6
6
0
0
0
0
0
0
40
40
40
40
40
40
85
85
85
85
85

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

14
8
8
6
8
6
7
5
5
0
0
0
0
0
15
26
29
25
16
16
15
21
21
24

Precipitation Amount (mm)

0.09
0.03
0.05
0.03
0.05
0.05
0.05
0.04
0.02
0
0
0
0
0
0.02
0.15
0.23
0.21
0.15
0.12
0.14
0.36
0.4
0.44

Wind Speed/Direction (mph)

18
16
15
14
12
12
12
14
13
12
12
11
11
11
13
14
14
13
13
12
12
13
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
79
83
86
89
91
93
94
96
99
100
100
100
100
100
100
100
97
90
87
81
77
83
83

Pressure (mb)

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

Ozone (du)

360
357
358
358
358
358
358
361
360
361
360
360
360
360
360
361
362
362
362
359
359
359
359
358

Saturday 7

Waning Crescent 0%

04:51

20:46

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: 05:37, Set: 20:41, Transit: 13:08. Moon - Rise: 04:51, Set: 20:46. Civil Dark: 21:21 - 04:57. Nautical Dark: 22:13 - 04:06. Astro Dark: 23:21 - 02:59

Total Clouds (% Sky Obscured)

90
98
98
98
98
98
98
16
16
16
16
16
16
91
91
91
91
91
91
52
52
52
52
52

Low Clouds (% Sky Obscured)

23
23
23
23
23
23
23
2
2
2
2
2
2
0
0
0
0
0
0
47
47
47
47
47

Medium Clouds (% Sky Obscured)

34
37
37
37
37
37
37
16
16
16
16
16
16
90
90
90
90
90
90
15
15
15
15
15

High Clouds (% Sky Obscured)

85
98
98
98
98
98
98
0
0
0
0
0
0
18
18
18
18
18
18
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
9
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

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
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
Light Rain
Light Rain

Precipitation Probability (%)

27
32
18
11
10
6
6
6
9
19
28
26
11
0
10
18
19
15
10
10
12
23
28
26

Precipitation Amount (mm)

0.42
0.37
0.18
0.07
0.06
0.02
0.01
0.01
0.05
0.27
0.46
0.27
0.04
0
0.01
0.12
0.22
0.12
0.03
0.04
0.1
0.36
0.59
0.43

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
93
95
96
97
97
98
100
100
100
100
100
100
100
100
100
100
100
100
96
91
88
88

Pressure (mb)

1000
1001
1002
1003
1003
1004
1004
1003
1003
1003
1003
1003
1004
1004
1004
1004
1005
1006
1006
1007
1007
1007
1007
1008

Ozone (du)

356
351
351
352
353
353
352
351
349
349
349
348
349
349
350
350
351
352
353
353
353
353
352
350

Sunday 8

New Moon 1%

06:08

21:14

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

Sun - Rise: 05:38, Set: 20:39, Transit: 13:08. Moon - Rise: 06:08, Set: 21:14. Civil Dark: 21:19 - 04:59. Nautical Dark: 22:10 - 04:08. Astro Dark: 23:17 - 03:03

Total Clouds (% Sky Obscured)

52
42
42
42
42
42
42
21
21
21
21
21
21
33
33
33
33
33
33
69
69
69
69
69

Low Clouds (% Sky Obscured)

47
3
3
3
3
3
3
12
12
12
12
12
12
0
0
0
0
0
0
63
63
63
63
63

Medium Clouds (% Sky Obscured)

15
41
41
41
41
41
41
19
19
19
19
19
19
6
6
6
6
6
6
1
1
1
1
1

High Clouds (% Sky Obscured)

9
2
2
2
2
2
2
0
0
0
0
0
0
29
29
29
29
29
29
17
17
17
17
17

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
None
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
None

Precipitation Probability (%)

23
20
15
7
5
6
14
20
16
11
10
7
0
0
0
4
4
4
4
4
4
4
4
3

Precipitation Amount (mm)

0.21
0.13
0.08
0.03
0.01
0.01
0.06
0.09
0.06
0.02
0.02
0.01
0
0
0
0.01
0.02
0.02
0.02
0.02
0.02
0.02
0.02
0.02

Wind Speed/Direction (mph)

14
13
13
13
12
12
12
12
12
12
12
12
12
12
13
13
13
14
14
14
14
14
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
18
17
16
15
14
14
13
13
14
14
14
14
15
15
16
17
18
19
20
21
22
21
21

Dew Point (°C)

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

Relative Humidity (%)

88
90
92
95
97
98
99
100
100
100
100
100
100
100
100
100
100
100
94
85
80
76
76
77

Pressure (mb)

1008
1009
1009
1010
1011
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1014
1014
1014
1014
1015
1015
1015
1015
1015

Ozone (du)

346
344
344
346
346
344
341
339
338
338
337
335
333
331
330
329
329
328
327
326
326
325
324
322

Monday 9

Waxing Crescent 5%

07:28

21:36

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: 05:40, Set: 20:38, Transit: 13:08. Moon - Rise: 07:28, Set: 21:36. Civil Dark: 21:17 - 05:01. Nautical Dark: 22:08 - 04:10. Astro Dark: 23:13 - 03:06

Total Clouds (% Sky Obscured)

69
77
77
77
77
77
77
79
79
79
79
79
79
86
86
86
86
86
86
100
100
100
100
100

Low Clouds (% Sky Obscured)

63
32
32
32
32
32
32
1
1
1
1
1
1
2
2
2
2
2
2
100
100
100
100
100

Medium Clouds (% Sky Obscured)

1
36
36
36
36
36
36
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
2

High Clouds (% Sky Obscured)

17
62
62
62
62
62
62
79
79
79
79
79
79
85
85
85
85
85
85
3
3
3
3
3

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
None
None
None

Precipitation Probability (%)

3
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0

Precipitation Amount (mm)

0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0
0
0
0

Wind Speed/Direction (mph)

12
12
11
9
8
7
7
6
6
7
8
8
9
9
10
10
10
11
12
12
13
13
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
81
84
86
88
90
92
96
100
100
100
100
100
100
100
100
100
100
97
92
84
77
73
74

Pressure (mb)

1015
1016
1016
1017
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018

Ozone (du)

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

Forecast for Bletchley, Milton Keynes, UK (51.99,-0.74)

Generated: 03/08/21 18:02:22. Forecast: 03/08/21 to 09/08/21. Timezone: UTC+1.00