Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 29

Waning Crescent 21%

02:10

14:00

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

Sun - Rise: 07:48, Set: 15:56, Transit: 11:51. Moon - Rise: 02:10, Set: 14:00. Civil Dark: 16:35 - 07:08. Nautical Dark: 17:18 - 06:25. Astro Dark: 17:58 - 05:45

Total Clouds (% Sky Obscured)

43
50
100
100
100
100
100
71
34
100
100
59
100
100
100
100
100
100
100
100
100
94
98
95

Low Clouds (% Sky Obscured)

0
0
0
0
4
27
13
55
9
22
31
25
100
100
100
100
100
100
88
95
75
19
19
20

Medium Clouds (% Sky Obscured)

13
16
8
88
100
100
100
37
26
99
100
31
100
100
100
100
81
99
70
99
100
44
31
21

High Clouds (% Sky Obscured)

35
41
100
100
0
0
0
0
2
17
66
35
92
88
96
97
93
97
61
10
29
86
97
91

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
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
None
Very Light Rain

Precipitation Probability (%)

0
0
0
0
5
5
0
0
0
4
19
9
6
4
6
8
9
10
17
15
8
9
5
6

Precipitation Amount (mm)

0
0
0
0
0.01
0.03
0
0
0
0.01
0.14
0.04
0.01
0.01
0.02
0.03
0.03
0.03
0.05
0.05
0.02
0.03
0.01
0.01

Wind Speed/Direction (mph)

7
8
8
8
8
9
10
10
11
11
12
12
14
14
15
15
17
17
14
14
14
13
13
14

Chance of Frost

Temperature (°C)

2
3
3
3
2
2
2
2
3
3
3
4
5
5
6
7
7
8
7
8
8
9
9
9

Feels Like (°C)

-1
-1
-0
-1
-2
-3
-2
-2
-2
-1
-1
-0
0
1
2
3
3
4
4
4
5
5
6
6

Dew Point (°C)

-1
-1
-1
-1
-1
-1
-0
-0
1
2
2
3
3
3
4
5
6
6
6
6
7
8
8
9

Relative Humidity (%)

81
78
76
78
81
85
86
86
87
89
91
90
90
89
89
89
90
88
89
91
93
94
94
95

Pressure (mb)

1015
1015
1015
1015
1015
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1012
1012
1013
1013
1013
1013
1013
1012

Ozone (du)

299
298
297
295
292
291
287
284
282
282
278
273
273
274
274
273
272
271
270
270
267
264
265
266

Tuesday 30

Waning Crescent 12%

03:34

14:15

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

Sun - Rise: 07:49, Set: 15:55, Transit: 11:52. Moon - Rise: 03:34, Set: 14:15. Civil Dark: 16:35 - 07:09. Nautical Dark: 17:17 - 06:27. Astro Dark: 17:58 - 05:46

Total Clouds (% Sky Obscured)

88
94
100
100
100
100
100
100
100
100
100
100
100
100
93
94
100
97
88
30
22
59
87
49

Low Clouds (% Sky Obscured)

41
37
95
42
98
100
81
47
100
100
100
100
100
100
93
90
75
15
31
29
22
59
86
48

Medium Clouds (% Sky Obscured)

41
40
100
43
73
35
29
100
97
97
71
100
100
9
12
74
100
96
84
1
1
2
9
6

High Clouds (% Sky Obscured)

67
83
100
100
100
100
100
100
100
100
100
100
99
100
0
0
2
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

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
Very Light Rain
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

5
0
4
0
0
0
5
7
8
12
15
47
33
34
41
41
28
23
28
16
11
9
0
0

Precipitation Amount (mm)

0.01
0
0.01
0
0
0
0.01
0.01
0.01
0.01
0.02
0.25
0.16
0.12
0.19
0.23
0.13
0.1
0.16
0.09
0.04
0.02
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
10
10
10
7
7
6
6
6
6
6
5
5
6
6
6
5
4
4
3
3
2
3
3

Dew Point (°C)

9
9
9
8
8
8
7
8
8
7
7
7
7
7
7
6
6
5
5
4
4
4
4
4

Relative Humidity (%)

94
91
90
88
89
87
88
89
88
86
86
87
88
87
84
82
81
82
80
81
80
80
80
81

Pressure (mb)

1012
1011
1011
1010
1009
1008
1007
1005
1004
1002
1001
999
998
997
996
996
996
997
996
997
998
998
998
998

Ozone (du)

266
267
267
268
267
266
268
270
270
269
270
274
275
279
284
291
297
299
297
298
299
299
308
311

Wednesday 1

Waning Crescent 5%

05:03

14:31

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

Sun - Rise: 07:50, Set: 15:55, Transit: 11:52. Moon - Rise: 05:03, Set: 14:31. Civil Dark: 16:34 - 07:11. Nautical Dark: 17:17 - 06:28. Astro Dark: 17:58 - 05:47

Total Clouds (% Sky Obscured)

21
34
93
100
100
100
98
19
95
81
38
41
53
53
53
53
53
53
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

16
24
88
100
100
100
27
6
6
11
17
5
1
1
1
1
1
1
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

14
17
82
100
99
100
98
8
95
79
25
38
53
53
53
53
53
53
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
1
0
0
8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
8
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
6
9
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

14
20
48
59
52
30
19
8
0
0
0
5
0
0
0
0
0
0
11
24
0
21
15
15

Precipitation Amount (mm)

0.07
0.09
0.3
0.42
0.34
0.24
0.09
0.01
0
0
0
0.01
0
0
0
0
0
0
0.08
0.44
0
0.15
0.07
0.09

Wind Speed/Direction (mph)

19
19
18
16
16
16
14
14
14
14
14
14
12
12
13
12
13
13
14
13
14
14
14
14

Chance of Frost

Temperature (°C)

7
7
6
6
6
6
5
5
4
4
3
2
2
1
1
1
1
1
1
1
1
1
2
3

Feels Like (°C)

3
3
2
2
2
1
1
0
-0
-1
-2
-2
-3
-3
-4
-4
-4
-4
-4
-4
-5
-4
-3
-2

Dew Point (°C)

4
4
5
4
3
1
0
0
-0
-0
-1
-1
-1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-2
-2

Relative Humidity (%)

80
81
88
88
80
74
72
73
73
76
77
78
80
83
85
85
83
79
79
82
81
80
78
74

Pressure (mb)

998
998
999
999
1000
1001
1003
1003
1004
1006
1006
1007
1008
1008
1009
1009
1009
1009
1010
1011
1011
1012
1013
1013

Ozone (du)

317
323
326
324
324
324
327
326
325
326
327
328
326
326
328
326
328
327
319
320
321
319
317
314

Thursday 2

Waning Crescent 1%

06:35

14:50

12 OK
13 Good
14 Good
15 Good
16 Good
17 Good
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

Sun - Rise: 07:52, Set: 15:54, Transit: 11:53. Moon - Rise: 06:35, Set: 14:50. Civil Dark: 16:34 - 07:12. Nautical Dark: 17:16 - 06:29. Astro Dark: 17:57 - 05:48

Total Clouds (% Sky Obscured)

11
11
11
11
11
11
99
99
99
99
99
99
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

6
6
6
6
6
6
0
0
0
0
0
0
0
0
0
0
0
0
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
1
1
1
1
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

6
6
6
6
6
6
99
99
99
99
99
99
100
100
100
100
100
100
77
77
77
77
77
77

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
7
7
7
7
4
5
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
None
None
None
None
None
None
None
None
None
None
None
None
None
Snow
Snow
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 (%)

14
0
0
0
0
0
4
2
0
0
0
0
0
0
10
8
24
20
29
13
14
17
13
10

Precipitation Amount (mm)

0.06
0
0
0
0
0
0.02
0.01
0
0
0
0
0
0
0.07
0.05
0.24
0.22
0.23
0.11
0.06
0.04
0.02
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

3
3
2
2
1
0
0
-0
-1
-1
-1
-1
-1
-1
-0
0
0
1
1
2
3
4
5
5

Feels Like (°C)

-2
-2
-2
-3
-4
-4
-4
-5
-5
-5
-5
-5
-6
-5
-5
-4
-4
-4
-3
-2
-1
-0
1
2

Dew Point (°C)

-2
-2
-2
-2
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3
-1
-1
-1
-0
1
1
2
2
3
4

Relative Humidity (%)

71
73
73
75
77
79
79
82
84
85
86
85
87
88
94
93
95
95
97
94
93
91
89
89

Pressure (mb)

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

Ozone (du)

316
310
307
303
299
296
296
292
288
286
285
285
285
285
286
287
288
290
292
295
297
302
310
314

Friday 3

Waning Crescent 0%

08:08

15:15

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

Sun - Rise: 07:53, Set: 15:53, Transit: 11:53. Moon - Rise: 08:08, Set: 15:15. Civil Dark: 16:33 - 07:13. Nautical Dark: 17:16 - 06:30. Astro Dark: 17:57 - 05:49

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
0
0
0
0
0
0
98
98
98
98
98
98

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
0
0
0
0
0
0
15
15
15
15
15
15

Medium Clouds (% Sky Obscured)

3
3
3
3
3
3
98
98
98
98
98
98
0
0
0
0
0
0
98
98
98
98
98
98

High Clouds (% Sky Obscured)

100
100
100
100
100
100
94
94
94
94
94
94
0
0
0
0
0
0
7
7
7
7
7
7

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

Precipitation Probability (%)

28
34
31
30
20
13
8
6
8
11
23
56
41
37
25
7
4
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.11
0.18
0.2
0.2
0.11
0.03
0.01
0.01
0.02
0.05
0.13
0.45
1.13
0.78
0.24
0.03
0.01
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

18
18
16
16
16
16
15
14
13
13
12
11
7
9
11
14
14
13
13
13
13
13
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
3
3
3
2
1
1
0
-0
-1
-1
-0
-0
-1
-2
-2
-2
-1
-1
-1
-1
-1
0
2

Dew Point (°C)

4
4
3
3
2
2
2
1
1
1
1
1
1
1
1
1
1
1
2
1
1
2
3
4

Relative Humidity (%)

83
81
75
75
76
77
79
81
83
83
83
82
85
87
88
89
89
88
88
87
87
88
89
89

Pressure (mb)

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

Ozone (du)

319
319
318
318
317
316
313
314
315
316
314
312
304
302
302
303
306
310
313
316
319
321
322
323

Saturday 4

New Moon 0%

09:34

15:50

12 OK
13 OK
14 OK
15 OK
16 OK
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

Sun - Rise: 07:54, Set: 15:53, Transit: 11:53. Moon - Rise: 09:34, Set: 15:50. Civil Dark: 16:33 - 07:14. Nautical Dark: 17:16 - 06:31. Astro Dark: 17:57 - 05:50

Total Clouds (% Sky Obscured)

34
34
34
34
34
34
85
85
85
85
85
85
97
97
97
97
97
97
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

28
28
28
28
28
28
85
85
85
85
85
85
84
84
84
84
84
84
84
84
84
84
84
84

Medium Clouds (% Sky Obscured)

8
8
8
8
8
8
20
20
20
20
20
20
52
52
52
52
52
52
93
93
93
93
93
93

High Clouds (% Sky Obscured)

6
6
6
6
6
6
0
0
0
0
0
0
92
92
92
92
92
92
100
100
100
100
100
100

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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
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 (%)

0
0
0
0
11
23
29
17
8
0
0
0
0
0
0
0
5
6
7
7
7
7
8
7

Precipitation Amount (mm)

0
0
0
0
0.02
0.06
0.08
0.06
0.02
0
0
0
0
0
0
0
0.01
0.02
0.02
0.02
0.02
0.01
0.01
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
7
8
8
8
8
7
6
6
5
5
5
5
5
5
5
5
5
5
5
6
6
6
6

Feels Like (°C)

3
4
4
4
4
4
3
2
1
1
0
0
0
0
0
1
1
1
1
1
2
2
2
2

Dew Point (°C)

5
5
5
5
4
4
3
3
2
2
2
2
2
2
2
3
3
3
3
3
3
4
4
4

Relative Humidity (%)

88
84
81
79
77
76
77
78
80
81
81
81
82
83
84
86
88
88
88
87
85
85
84
83

Pressure (mb)

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

Ozone (du)

324
326
329
332
334
336
338
340
344
348
354
362
368
371
373
375
377
379
380
379
377
376
378
381

Sunday 5

Waxing Crescent 2%

10:44

16:41

12 Good
13 Good
14 Good
15 Good
16 Good
17 Good
18 Bad
19 OK
20 OK
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

Sun - Rise: 07:56, Set: 15:52, Transit: 11:54. Moon - Rise: 10:44, Set: 16:41. Civil Dark: 16:32 - 07:15. Nautical Dark: 17:16 - 06:32. Astro Dark: 17:56 - 05:51

Total Clouds (% Sky Obscured)

2
2
2
2
2
2
45
45
45
45
45
45
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

2
2
2
2
2
2
1
1
1
1
1
1
61
61
61
61
61
61
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
19
19
19
19
19
19

High Clouds (% Sky Obscured)

0
0
0
0
0
0
44
44
44
44
44
44
100
100
100
100
100
100
95
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
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
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 (%)

6
5
0
0
0
0
4
0
0
0
0
0
0
0
3
4
3
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.02
0.01
0
0
0
0
0.01
0
0
0
0
0
0
0
0.01
0.02
0.01
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
4
4
4
4
3
3
2
2
1
1
1
1
2
2
3
3
3
3
4
4
5
6

Dew Point (°C)

4
3
3
3
3
4
4
4
4
4
4
4
4
4
5
5
5
5
5
5
5
5
5
5

Relative Humidity (%)

81
76
72
69
71
75
79
83
85
88
91
94
95
94
92
91
92
93
91
88
86
83
79
74

Pressure (mb)

1016
1016
1016
1016
1016
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

383
383
382
380
377
374
371
369
367
364
358
351
344
339
333
327
321
315
310
306
302
299
296
293

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

Generated: 29/11/21 12:38:01. Forecast: 29/11/21 to 05/12/21. Timezone: UTC+0.00