Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 23

Waning Crescent 37%

No Rise

16:23

00 Bad
01 Bad
02 OK
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 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:48, Set: 18:56, Transit: 12:52. Moon - Rise: No Rise, Set: 16:23. Civil Dark: 19:30 - 06:14. Nautical Dark: 20:10 - 05:34. Astro Dark: 20:52 - 04:52

Total Clouds (% Sky Obscured)

88
58
11
44
85
42
95
90
52
78
58
60
78
68
100
100
100
100
100
100
100
100
98
100

Low Clouds (% Sky Obscured)

0
2
6
39
84
42
95
89
45
76
58
12
0
4
100
31
76
16
13
0
0
38
98
99

Medium Clouds (% Sky Obscured)

1
3
0
7
1
1
9
10
23
18
4
0
0
1
100
58
99
85
95
100
100
100
77
17

High Clouds (% Sky Obscured)

88
56
6
9
2
0
0
0
0
0
0
55
78
66
62
100
100
99
100
100
100
100
13
16

ISS Passover

Visibility (miles)

6
7
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

Precipitation Type

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
Very Light Rain

Precipitation Probability (%)

0
0
0
4
4
4
4
4
0
0
0
0
0
2
2
2
2
0
0
0
10
22
34
31

Precipitation Amount (mm)

0
0
0
0.01
0.01
0.01
0.01
0.01
0
0
0
0
0
0.01
0.01
0.01
0.01
0
0
0
0.02
0.08
0.16
0.19

Wind Speed/Direction (mph)

7
7
9
10
10
11
12
13
13
13
12
12
13
13
14
15
15
15
13
13
14
16
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
94
88
86
87
88
88
87
86
81
74
66
58
54
51
51
52
53
56
61
68
75
80
81

Pressure (mb)

1007
1007
1007
1008
1008
1009
1009
1010
1011
1011
1011
1011
1012
1012
1011
1011
1011
1011
1010
1010
1010
1010
1009
1009

Ozone (du)

287
291
296
302
306
308
309
308
306
302
298
293
289
285
282
280
278
277
277
278
278
279
280
281

Tuesday 24

Waning Crescent 27%

00:30

17:11

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
21 Bad
22 OK
23 Bad

Sun - Rise: 06:49, Set: 18:54, Transit: 12:52. Moon - Rise: 00:30, Set: 17:11. Civil Dark: 19:28 - 06:16. Nautical Dark: 20:07 - 05:36. Astro Dark: 20:49 - 04:54

Total Clouds (% Sky Obscured)

100
100
97
99
100
100
100
100
100
100
100
100
100
96
49
38
40
28
66
82
96
95
35
92

Low Clouds (% Sky Obscured)

100
100
96
94
100
89
98
100
95
95
65
89
100
88
31
20
9
3
13
0
2
2
2
4

Medium Clouds (% Sky Obscured)

27
63
5
6
9
23
84
81
88
91
98
98
98
81
9
13
28
24
14
66
91
91
32
14

High Clouds (% Sky Obscured)

2
13
24
98
99
100
100
100
100
100
100
100
100
63
26
27
19
6
59
55
70
62
4
91

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
9
5
2
4
8
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
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate 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

Precipitation Probability (%)

28
19
17
14
14
17
31
60
81
86
87
87
84
78
68
53
44
35
21
11
8
8
9
14

Precipitation Amount (mm)

0.17
0.15
0.11
0.07
0.06
0.07
0.11
0.3
1.09
2.86
4.36
4.06
2.88
1.88
1.14
0.69
0.53
0.32
0.13
0.04
0.01
0.01
0.01
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
83
84
85
85
85
85
87
89
90
90
88
85
82
78
75
72
71
72
75
77
78
79
80

Pressure (mb)

1008
1007
1007
1006
1005
1005
1004
1003
1002
1002
1001
1001
1000
1000
1000
999
999
1000
1000
1000
1001
1001
1001
1001

Ozone (du)

281
282
281
281
281
280
280
279
279
279
280
283
287
290
294
297
299
299
298
296
293
289
286
286

Wednesday 25

Waning Crescent 17%

01:44

17:49

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

Sun - Rise: 06:51, Set: 18:52, Transit: 12:51. Moon - Rise: 01:44, Set: 17:49. Civil Dark: 19:25 - 06:17. Nautical Dark: 20:05 - 05:38. Astro Dark: 20:46 - 04:56

Total Clouds (% Sky Obscured)

99
96
98
100
100
99
100
100
100
100
97
98
99
91
88
93
44
35
21
24
24
24
24
24

Low Clouds (% Sky Obscured)

12
77
98
100
99
89
100
100
100
100
97
98
99
91
87
92
26
32
16
20
20
20
20
20

Medium Clouds (% Sky Obscured)

65
80
64
81
99
13
20
45
63
62
39
19
27
38
42
41
36
15
10
13
13
13
13
13

High Clouds (% Sky Obscured)

98
74
74
86
83
97
92
87
87
63
41
45
9
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
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
None
None
Very Light Rain

Precipitation Probability (%)

20
23
24
21
21
24
24
24
17
11
7
6
7
9
8
7
7
7
9
8
6
0
0
6

Precipitation Amount (mm)

0.05
0.08
0.09
0.08
0.08
0.09
0.1
0.1
0.06
0.03
0.02
0.02
0.03
0.05
0.05
0.06
0.05
0.05
0.05
0.04
0.02
0
0
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
83
84
84
83
83
84
85
85
84
82
77
72
66
64
64
65
67
70
74
77
79
82
83

Pressure (mb)

1001
1000
1000
1000
999
999
999
999
999
1000
1000
1001
1001
1002
1002
1002
1003
1003
1004
1004
1005
1005
1005
1006

Ozone (du)

287
288
289
291
291
292
292
291
291
291
290
288
286
285
286
289
291
290
287
285
284
283
282
281

Thursday 26

Waning Crescent 8%

03:06

18:20

00 OK
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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:53, Set: 18:49, Transit: 12:51. Moon - Rise: 03:06, Set: 18:20. Civil Dark: 19:23 - 06:19. Nautical Dark: 20:03 - 05:39. Astro Dark: 20:44 - 04:58

Total Clouds (% Sky Obscured)

24
28
28
28
28
28
28
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

20
3
3
3
3
3
3
98
98
98
98
98
98
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

13
1
1
1
1
1
1
100
100
100
100
100
100
44
44
44
44
44
44
98
98
98
98
98

High Clouds (% Sky Obscured)

0
26
26
26
26
26
26
95
95
95
95
95
95
98
98
98
98
98
98
100
100
100
100
100

ISS Passover

Visibility (miles)

8
6
8
10
10
10
7
4
5
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

24
36
36
26
21
33
43
46
36
43
38
26
12
4
3
4
4
6
10
14
9
4
3
0

Precipitation Amount (mm)

0.1
0.2
0.19
0.13
0.1
0.12
0.16
0.24
0.42
0.68
0.77
0.47
0.14
0.02
0.01
0.01
0.02
0.04
0.08
0.11
0.06
0.01
0.01
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
11
11
11
11
11
11
11
12
12
12
12
12
12
12
12
12
11
11
11
11
11
11

Relative Humidity (%)

85
85
84
83
82
82
84
86
84
82
80
75
70
65
62
62
63
64
66
68
71
74
76
78

Pressure (mb)

1006
1006
1006
1006
1006
1006
1006
1007
1007
1007
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009

Ozone (du)

279
278
276
275
275
275
275
276
278
281
282
282
281
281
283
286
289
290
292
294
300
306
311
313

Friday 27

Waning Crescent 3%

04:33

18:46

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

Sun - Rise: 06:54, Set: 18:47, Transit: 12:51. Moon - Rise: 04:33, Set: 18:46. Civil Dark: 19:20 - 06:21. Nautical Dark: 20:00 - 05:41. Astro Dark: 20:41 - 05:00

Total Clouds (% Sky Obscured)

100
12
12
12
12
12
12
12
12
12
12
12
12
44
44
44
44
44
44
97
97
97
97
97

Low Clouds (% Sky Obscured)

100
6
6
6
6
6
6
2
2
2
2
2
2
32
32
32
32
32
32
0
0
0
0
0

Medium Clouds (% Sky Obscured)

98
11
11
11
11
11
11
12
12
12
12
12
12
30
30
30
30
30
30
35
35
35
35
35

High Clouds (% Sky Obscured)

100
0
0
0
0
0
0
0
0
0
0
0
0
6
6
6
6
6
6
95
95
95
95
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
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

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

Precipitation Probability (%)

3
5
15
35
49
43
27
8
0
0
8
8
8
11
13
16
19
23
25
27
31
32
34
36

Precipitation Amount (mm)

0.01
0.02
0.12
0.47
0.74
0.47
0.12
0.01
0
0
0.01
0.01
0.03
0.04
0.06
0.07
0.08
0.09
0.1
0.11
0.11
0.1
0.1
0.16

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

11
11
11
11
10
10
9
9
9
10
10
10
9
9
9
9
9
9
9
9
9
9
9
9

Relative Humidity (%)

79
80
81
81
81
82
83
83
81
79
74
69
64
60
59
60
63
65
66
68
71
74
76
78

Pressure (mb)

1008
1008
1008
1007
1007
1007
1007
1007
1007
1008
1008
1008
1008
1008
1007
1007
1007
1007
1007
1008
1008
1008
1008
1009

Ozone (du)

313
313
312
310
308
307
306
306
307
308
310
311
312
312
312
312
312
312
313
313
312
311
310
309

Saturday 28

New Moon 0%

06:01

19:09

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
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:56, Set: 18:44, Transit: 12:50. Moon - Rise: 06:01, Set: 19:09. Civil Dark: 19:18 - 06:22. Nautical Dark: 19:58 - 05:43. Astro Dark: 20:39 - 05:02

Total Clouds (% Sky Obscured)

97
34
34
34
34
34
34
90
90
90
90
90
90
99
99
99
99
99
99
99
99
99
99
99

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
91
91
91
91
91
91
12
12
12
12
12

Medium Clouds (% Sky Obscured)

35
34
34
34
34
34
34
72
72
72
72
72
72
70
70
70
70
70
70
98
98
98
98
98

High Clouds (% Sky Obscured)

95
0
0
0
0
0
0
69
69
69
69
69
69
98
98
98
98
98
98
20
20
20
20
20

ISS Passover

Visibility (miles)

6
4
4
5
7
9
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
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

41
45
46
46
47
43
37
33
18
5
0
0
5
7
8
6
5
4
4
4
3
0
0
0

Precipitation Amount (mm)

0.26
0.36
0.38
0.36
0.32
0.27
0.21
0.14
0.06
0.01
0
0
0.01
0.02
0.02
0.01
0.01
0.01
0.02
0.02
0.01
0
0
0

Wind Speed/Direction (mph)

14
14
13
13
13
12
12
12
12
13
14
14
14
14
15
15
14
11
8
6
6
6
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

8
8
8
8
8
8
8
8
8
9
9
9
8
8
8
8
8
7
7
7
7
7
7
7

Relative Humidity (%)

79
80
81
81
81
82
84
83
80
77
72
68
65
61
58
56
55
57
59
62
66
70
73
75

Pressure (mb)

1009
1009
1009
1009
1009
1010
1010
1010
1011
1011
1011
1012
1012
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014

Ozone (du)

309
309
310
311
312
312
312
312
311
310
310
310
311
311
312
311
311
311
311
311
310
310
310
311

Sunday 29

Waxing Crescent 1%

07:28

19:31

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
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:58, Set: 18:42, Transit: 12:50. Moon - Rise: 07:28, Set: 19:31. Civil Dark: 19:16 - 06:24. Nautical Dark: 19:55 - 05:45. Astro Dark: 20:36 - 05:04

Total Clouds (% Sky Obscured)

99
84
84
84
84
84
84
100
100
100
100
100
100
98
98
98
98
98
98
100
100
100
100
100

Low Clouds (% Sky Obscured)

12
6
6
6
6
6
6
1
1
1
1
1
1
66
66
66
66
66
66
50
50
50
50
50

Medium Clouds (% Sky Obscured)

98
59
59
59
59
59
59
100
100
100
100
100
100
96
96
96
96
96
96
100
100
100
100
100

High Clouds (% Sky Obscured)

20
73
73
73
73
73
73
100
100
100
100
100
100
0
0
0
0
0
0
31
31
31
31
31

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
Very Light Rain
Very Light Rain
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
None
None

Precipitation Probability (%)

0
4
5
6
13
34
51
54
55
54
46
35
18
11
8
9
11
13
16
20
17
8
5
0

Precipitation Amount (mm)

0
0.01
0.01
0.02
0.06
0.26
0.73
1.15
1.17
0.97
0.72
0.46
0.22
0.08
0.04
0.05
0.08
0.09
0.12
0.15
0.1
0.03
0.01
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
7
7
8
8
8
9
9
9
10
10
10
10
11
11
11
12
12
11
11
11
10
10
9

Relative Humidity (%)

76
78
79
80
80
81
82
82
80
78
76
76
74
72
68
65
64
66
68
69
71
73
74
75

Pressure (mb)

1014
1013
1013
1013
1012
1012
1011
1010
1010
1009
1009
1008
1008
1008
1007
1006
1006
1006
1006
1006
1006
1007
1007
1007

Ozone (du)

311
312
313
314
315
316
316
317
320
323
325
325
325
324
325
326
326
327
327
326
324
322
320
318

Forecast for Bourn, Cambridgeshire, UK (52.20,-0.05)

Generated: 23/09/19 00:17:02. Forecast: 23/09/19 to 29/09/19. Timezone: UTC+1.00