Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 22

Waxing Gibbous 76%

15:13

04:55

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

Sun - Rise: 05:50, Set: 20:14, Transit: 13:03. Moon - Rise: 15:13, Set: 04:55. Civil Dark: 20:51 - 05:13. Nautical Dark: 21:37 - 04:26. Astro Dark: 22:32 - 03:30

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
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
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 (%)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
15
13
11
8
6
5
4
3
2
1
1
-1
-1
0
3
7
9
12
13
15
16
17

Feels Like (°C)

15
15
15
13
11
6
4
2
1
0
-1
-2
-2
-4
-5
-3
-0
3
7
12
13
15
16
17

Dew Point (°C)

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

Relative Humidity (%)

39
39
44
46
49
51
54
59
67
75
81
87
91
99
100
94
83
71
62
53
48
43
40
37

Pressure (mb)

1027
1027
1027
1027
1027
1028
1028
1028
1029
1029
1029
1029
1028
1028
1029
1029
1029
1029
1029
1028
1028
1027
1027
1026

Ozone (du)

345
347
346
343
340
339
339
338
336
346
346
344
344
342
340
340
342
342
344
344
343
344
340
337

Friday 23

Waxing Gibbous 85%

No Rise

05:14

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

Sun - Rise: 05:48, Set: 20:16, Transit: 13:03. Moon - Rise: No Rise, Set: 05:14. Civil Dark: 20:53 - 05:11. Nautical Dark: 21:40 - 04:23. Astro Dark: 22:35 - 03:27

Total Clouds (% Sky Obscured)

0
26
48
1
2
66
63
18
1
63
96
100
100
98
97
91
96
98
96
97
98
92
66
81

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
26
48
1
2
66
63
18
1
63
96
100
100
98
97
91
96
98
96
97
98
92
65
81

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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
12
13
12
10
10
9
9
9
7
7
7
7
7
7
8
10
12
14
15
15
15
16
16

Chance of Frost

Temperature (°C)

17
16
15
14
11
8
6
5
5
4
4
3
2
2
1
2
4
7
9
11
13
14
15
16

Feels Like (°C)

17
16
15
14
11
6
4
2
1
1
1
-0
-1
-2
-2
-1
1
4
6
11
13
14
15
16

Dew Point (°C)

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

Relative Humidity (%)

36
38
38
40
45
50
55
62
68
76
81
86
91
95
98
95
86
75
66
59
54
48
45
44

Pressure (mb)

1026
1026
1026
1026
1027
1027
1028
1027
1027
1028
1028
1028
1028
1028
1028
1028
1029
1029
1028
1028
1028
1027
1027
1026

Ozone (du)

334
329
327
333
331
328
326
324
322
320
318
317
316
314
313
313
314
314
315
317
318
314
314
314

Saturday 24

Waxing Gibbous 93%

16:37

05:32

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

Sun - Rise: 05:46, Set: 20:17, Transit: 13:02. Moon - Rise: 16:37, Set: 05:32. Civil Dark: 20:55 - 05:08. Nautical Dark: 21:42 - 04:21. Astro Dark: 22:38 - 03:24

Total Clouds (% Sky Obscured)

81
77
59
62
88
91
91
76
92
51
73
81
85
90
92
95
95
95
95
95
95
19
19
19

Low Clouds (% Sky Obscured)

2
2
2
6
22
18
26
58
90
51
73
81
85
90
92
95
95
95
95
95
95
19
19
19

Medium Clouds (% Sky Obscured)

0
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

81
77
59
59
84
88
89
42
23
0
0
0
0
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

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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
15
14
13
12
10
8
7
6
4
4
3
2
2
1
2
4
6
8
10
11
12
13
14

Feels Like (°C)

16
15
14
13
12
7
5
4
2
1
-0
-1
-2
-3
-3
-2
-0
2
5
7
11
12
13
14

Dew Point (°C)

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

Relative Humidity (%)

44
47
50
50
53
58
63
69
77
83
90
96
100
100
100
99
89
77
68
61
57
55
52
51

Pressure (mb)

1026
1026
1026
1026
1027
1027
1028
1028
1028
1029
1029
1029
1029
1029
1028
1029
1029
1029
1029
1028
1028
1028
1027
1027

Ozone (du)

313
312
312
317
317
318
319
319
319
311
311
310
310
311
313
317
320
327
335
340
342
342
344
346

Sunday 25

Waxing Gibbous 98%

18:04

05:49

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

Sun - Rise: 05:44, Set: 20:19, Transit: 13:02. Moon - Rise: 18:04, Set: 05:49. Civil Dark: 20:56 - 05:06. Nautical Dark: 21:44 - 04:18. Astro Dark: 22:41 - 03:20

Total Clouds (% Sky Obscured)

19
19
19
95
95
95
95
95
95
1
1
1
1
1
1
10
10
10
10
10
10
13
13
13

Low Clouds (% Sky Obscured)

19
19
19
13
13
13
13
13
13
1
1
1
1
1
1
10
10
10
10
10
10
13
13
13

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
94
94
94
94
94
94
0
0
0
0
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

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 (%)

0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
14
14
13
11
8
6
4
3
2
1
0
-0
-1
-1
0
3
6
9
10
12
13
14
15

Feels Like (°C)

14
14
14
13
11
5
3
1
-0
-2
-3
-4
-4
-5
-5
-4
-1
3
6
10
12
13
14
15

Dew Point (°C)

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

Relative Humidity (%)

50
49
52
55
58
63
71
79
87
93
99
100
100
100
100
100
91
78
68
61
56
53
49
47

Pressure (mb)

1026
1026
1025
1025
1025
1026
1026
1026
1026
1025
1024
1024
1024
1023
1023
1022
1022
1021
1020
1020
1019
1019
1018
1017

Ozone (du)

348
350
351
352
354
355
356
359
363
363
364
365
365
364
363
362
362
362
361
358
357
359
360
362

Monday 26

Waxing Gibbous 100%

19:33

06:09

16 Good
17 Good
18 Good
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

Sun - Rise: 05:42, Set: 20:21, Transit: 13:02. Moon - Rise: 19:33, Set: 06:09. Civil Dark: 20:58 - 05:04. Nautical Dark: 21:46 - 04:16. Astro Dark: 22:44 - 03:17

Total Clouds (% Sky Obscured)

13
13
13
98
98
98
98
98
98
70
70
70
70
70
70
90
90
90
90
90
90
88
88
88

Low Clouds (% Sky Obscured)

13
13
13
2
2
2
2
2
2
6
6
6
6
6
6
79
79
79
79
79
79
81
81
81

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
69
69
69
69
69
69
78
78
78
78
78
78
81
81
81

High Clouds (% Sky Obscured)

0
0
0
98
98
98
98
98
98
0
0
0
0
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

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
1
1
2
3
4
4
3
9
5
2
1
1
1
1
1
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.01
0.01
0.01
0.02
0.03
0.03
0.02
0.11
0.08
0.03
0.01
0.01
0.01
0.02
0.03
0.03

Wind Speed/Direction (mph)

10
10
10
9
9
8
7
8
8
10
11
11
12
12
13
13
14
15
16
17
17
17
17
16

Chance of Frost

Temperature (°C)

15
15
14
13
11
9
8
7
6
6
5
5
5
5
5
5
6
8
9
10
11
12
13
13

Feels Like (°C)

15
15
14
13
11
7
6
4
3
2
2
2
1
1
1
1
2
4
5
7
11
12
13
13

Dew Point (°C)

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

Relative Humidity (%)

48
50
54
63
67
73
78
84
92
92
96
99
100
100
100
100
96
86
79
71
65
58
53
50

Pressure (mb)

1016
1015
1015
1015
1015
1016
1016
1016
1015
1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1013

Ozone (du)

365
369
372
368
374
383
394
411
420
440
445
442
438
432
424
399
395
395
395
394
394
393
391
388

Tuesday 27

Full Moon 99%

21:04

06:32

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 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:40, Set: 20:22, Transit: 13:02. Moon - Rise: 21:04, Set: 06:32. Civil Dark: 21:00 - 05:02. Nautical Dark: 21:49 - 04:13. Astro Dark: 22:47 - 03:13

Total Clouds (% Sky Obscured)

88
88
88
80
80
80
80
80
80
99
99
99
99
99
99
92
92
92
92
92
92
99
99
99

Low Clouds (% Sky Obscured)

81
81
81
70
70
70
70
70
70
98
98
98
98
98
98
62
62
62
62
62
62
99
99
99

Medium Clouds (% Sky Obscured)

81
81
81
66
66
66
66
66
66
83
83
83
83
83
83
88
88
88
88
88
88
98
98
98

High Clouds (% Sky Obscured)

0
0
0
0
0
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
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 (%)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
12
11
10
9
8
7
6
5
5
4
4
4
4
4
4
6
7
8
9
10
11
11
12

Feels Like (°C)

13
12
11
10
6
5
4
3
2
1
0
0
0
-0
0
1
2
4
6
6
10
11
11
12

Dew Point (°C)

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

Relative Humidity (%)

51
54
58
61
66
70
76
84
91
97
100
100
100
100
100
100
98
88
80
74
71
67
62
60

Pressure (mb)

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

Ozone (du)

387
389
393
395
395
393
392
390
389
387
386
385
384
382
379
377
375
373
371
369
367
367
369
373

Wednesday 28

Waning Gibbous 94%

22:36

07:03

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 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:38, Set: 20:24, Transit: 13:02. Moon - Rise: 22:36, Set: 07:03. Civil Dark: 21:02 - 05:00. Nautical Dark: 21:51 - 04:11. Astro Dark: 22:51 - 03:10

Total Clouds (% Sky Obscured)

99
99
99
98
98
98
98
98
98
96
96
96
96
96
96
89
89
89
89
89
89
98
98
98

Low Clouds (% Sky Obscured)

99
99
99
98
98
98
98
98
98
41
41
41
41
41
41
44
44
44
44
44
44
58
58
58

Medium Clouds (% Sky Obscured)

98
98
98
41
41
41
41
41
41
9
9
9
9
9
9
1
1
1
1
1
1
16
16
16

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
94
94
94
94
94
94
82
82
82
82
82
82
95
95
95

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
8
7
6
6
6
5
4

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
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
3
3
3
3
5
5
5
5
5
8
17
26
29
27
29
26
22
20
19
17
17
15
15

Precipitation Amount (mm)

0.05
0.04
0.04
0.03
0.04
0.04
0.04
0.04
0.03
0.02
0.03
0.06
0.08
0.08
0.07
0.07
0.09
0.12
0.15
0.19
0.23
0.26
0.28
0.28

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
11
10
7
6
5
4
4
3
2
2
2
2
1
2
2
3
5
6
7
10
11
12
13

Dew Point (°C)

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

Relative Humidity (%)

62
65
69
72
74
77
81
90
98
100
100
100
100
100
100
100
100
100
94
87
80
71
66
63

Pressure (mb)

1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

376
377
378
378
376
373
371
372
374
377
381
386
389
389
387
386
385
384
384
384
383
383
383
382

Forecast for Culham, Oxfordshire, UK (51.66,-1.27)

Generated: 22/04/21 15:16:37. Forecast: 22/04/21 to 28/04/21. Timezone: UTC+1.00