Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 22

Waxing Gibbous 76%

15:04

04:45

15 Good
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

Sun - Rise: 05:41, Set: 20:04, Transit: 12:53. Moon - Rise: 15:04, Set: 04:45. Civil Dark: 20:40 - 05:04. Nautical Dark: 21:26 - 04:18. Astro Dark: 22:20 - 03:23

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

2
1
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
2
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)

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

Chance of Frost

Temperature (°C)

10
10
9
9
8
7
6
6
6
5
5
5
5
5
5
5
5
7
8
9
10
10
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
67
69
70
72
73
76
80
83
86
90
92
93
95
95
95
94
87
81
76
71
67
64
62

Pressure (mb)

1028
1028
1028
1028
1028
1028
1029
1029
1029
1029
1029
1029
1028
1028
1028
1029
1029
1029
1029
1030
1030
1029
1029
1029

Ozone (du)

359
358
353
349
352
356
353
348
343
338
343
344
345
345
345
346
342
341
341
340
339
340
342
343

Friday 23

Waxing Gibbous 85%

15:04

05:04

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

Sun - Rise: 05:39, Set: 20:05, Transit: 12:53. Moon - Rise: 15:04, Set: 05:04. Civil Dark: 20:42 - 05:02. Nautical Dark: 21:28 - 04:15. Astro Dark: 22:23 - 03:20

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
1
24
0
48
2
60
0
76
96
97
98
98
96
97
98
98
98
99

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
4
5
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
1
24
0
48
2
60
0
76
96
97
98
98
96
97
98
98
98
99

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
11
7
6
4
4
3
3
3
2
2
2
2
2
2
3
4
5
6
7
10
11
11

Dew Point (°C)

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

Relative Humidity (%)

61
61
62
65
70
76
82
86
89
90
93
96
99
100
100
100
98
94
89
84
80
76
72
72

Pressure (mb)

1029
1028
1028
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1029
1029
1029
1028
1028

Ozone (du)

342
340
341
341
346
343
338
335
332
329
323
322
320
320
320
319
318
319
318
318
317
317
313
314

Saturday 24

Waxing Gibbous 93%

16:28

05:22

15 Bad
16 Bad
17 Bad
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

Sun - Rise: 05:37, Set: 20:07, Transit: 12:53. Moon - Rise: 16:28, Set: 05:22. Civil Dark: 20:44 - 05:00. Nautical Dark: 21:31 - 04:13. Astro Dark: 22:26 - 03:17

Total Clouds (% Sky Obscured)

100
99
82
56
61
75
84
91
93
46
33
35
45
48
70
81
91
91
91
91
91
91
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
2
9
8
16
40
31
33
35
45
48
70
81
91
91
91
91
91
91
100
100

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)

100
99
82
56
60
73
83
89
88
23
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
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
6
6
5
5
5
6
6
6
6
6
6
6
6
5
5
6
6
6
5
5
5
5

Relative Humidity (%)

73
75
77
79
82
84
86
89
91
92
93
95
96
96
96
96
92
90
86
83
80
76
74
73

Pressure (mb)

1028
1028
1028
1027
1027
1027
1027
1027
1027
1027
1028
1028
1028
1028
1028
1027
1028
1028
1028
1028
1028
1028
1028
1028

Ozone (du)

316
316
316
316
318
319
321
321
322
321
314
314
315
317
317
318
323
325
328
331
338
344
346
348

Sunday 25

Waxing Gibbous 98%

17:54

05:40

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

Sun - Rise: 05:35, Set: 20:09, Transit: 12:53. Moon - Rise: 17:54, Set: 05:40. Civil Dark: 20:46 - 04:58. Nautical Dark: 21:33 - 04:10. Astro Dark: 22:29 - 03:13

Total Clouds (% Sky Obscured)

100
100
100
100
95
95
95
95
95
95
81
81
81
81
81
81
91
91
91
91
91
91
88
88

Low Clouds (% Sky Obscured)

100
100
100
100
95
95
95
95
95
95
81
81
81
81
81
81
91
91
91
91
91
91
88
88

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 (%)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
73
75
76
79
81
85
89
91
93
96
98
100
100
100
99
97
94
90
86
82
80
79
79

Pressure (mb)

1027
1027
1027
1026
1025
1025
1025
1025
1025
1025
1024
1023
1023
1022
1022
1022
1021
1020
1020
1020
1019
1019
1019
1018

Ozone (du)

348
347
348
349
352
354
355
356
359
363
364
366
367
368
369
370
371
370
369
368
366
364
362
361

Monday 26

Waxing Gibbous 100%

19:22

06:00

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

Sun - Rise: 05:33, Set: 20:10, Transit: 12:53. Moon - Rise: 19:22, Set: 06:00. Civil Dark: 20:47 - 04:56. Nautical Dark: 21:35 - 04:08. Astro Dark: 22:32 - 03:10

Total Clouds (% Sky Obscured)

88
88
88
88
62
62
62
62
62
62
73
73
73
73
73
73
73
73
73
73
73
73
100
100

Low Clouds (% Sky Obscured)

88
88
88
88
38
38
38
38
38
38
0
0
0
0
0
0
48
48
48
48
48
48
59
59

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
71
71
71
71
71
71
58
58
58
58
58
58
95
95

High Clouds (% Sky Obscured)

0
0
0
0
37
37
37
37
37
37
32
32
32
32
32
32
0
0
0
0
0
0
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
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
1
1
1
1
1
0
0
1
2
2
2
2
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
5
5
5
4
4
4
3
3
3
3
3
3
3
3
3
3
4
4
5
5
6
10
11

Dew Point (°C)

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

Relative Humidity (%)

79
80
81
83
84
85
88
92
96
98
100
100
100
100
100
100
100
100
100
99
98
92
88
86

Pressure (mb)

1017
1016
1016
1015
1015
1015
1015
1015
1015
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012

Ozone (du)

360
360
363
367
363
367
372
378
387
403
432
437
437
436
436
436
411
410
412
412
408
417
417
417

Tuesday 27

Full Moon 99%

20:53

06:24

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

Sun - Rise: 05:31, Set: 20:12, Transit: 12:52. Moon - Rise: 20:53, Set: 06:24. Civil Dark: 20:49 - 04:54. Nautical Dark: 21:37 - 04:05. Astro Dark: 22:35 - 03:07

Total Clouds (% Sky Obscured)

100
100
100
100
13
13
13
13
13
13
58
58
58
58
58
58
91
91
91
91
91
91
48
48

Low Clouds (% Sky Obscured)

59
59
59
59
12
12
12
12
12
12
7
7
7
7
7
7
44
44
44
44
44
44
27
27

Medium Clouds (% Sky Obscured)

95
95
95
95
7
7
7
7
7
7
56
56
56
56
56
56
89
89
89
89
89
89
42
42

High Clouds (% Sky Obscured)

100
100
100
100
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
Very Light Rain

Precipitation Probability (%)

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

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0.01
0.01
0.01
0.03

Wind Speed/Direction (mph)

23
23
24
24
24
24
24
23
23
22
22
21
21
21
21
21
21
21
21
21
21
20
20
20

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
11
10
5
5
4
4
3
3
3
2
2
2
2
2
2
2
3
4
4
5
6
10
10

Dew Point (°C)

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

Relative Humidity (%)

84
85
87
90
92
93
94
94
95
97
100
100
100
100
100
100
100
100
100
100
97
93
90
89

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1011
1011
1011

Ozone (du)

418
418
418
417
415
412
407
403
401
400
399
398
397
397
396
397
399
405
413
418
419
418
416
413

Wednesday 28

Waning Gibbous 94%

22:25

06:54

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

Sun - Rise: 05:29, Set: 20:14, Transit: 12:52. Moon - Rise: 22:25, Set: 06:54. Civil Dark: 20:51 - 04:52. Nautical Dark: 21:39 - 04:03. Astro Dark: 22:38 - 03:03

Total Clouds (% Sky Obscured)

48
48
48
48
95
95
95
95
95
95
39
39
39
39
39
39
22
22
22
22
22
22
62
62

Low Clouds (% Sky Obscured)

27
27
27
27
95
95
95
95
95
95
21
21
21
21
21
21
17
17
17
17
17
17
38
38

Medium Clouds (% Sky Obscured)

42
42
42
42
62
62
62
62
62
62
6
6
6
6
6
6
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
23
23
23
23
23
23
6
6
6
6
6
6
35
35

ISS Passover

Visibility (miles)

9
8
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
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 (%)

9
10
10
9
7
3
2
2
0
0
0
0
0
0
0
0
5
7
12
21
35
43
41
33

Precipitation Amount (mm)

0.06
0.09
0.09
0.07
0.05
0.04
0.02
0.01
0
0
0
0
0
0
0
0
0.01
0.03
0.06
0.11
0.19
0.31
0.37
0.3

Wind Speed/Direction (mph)

20
21
21
21
21
21
20
20
19
18
18
18
18
19
19
20
21
21
22
22
21
20
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
91
93
95
97
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
94

Pressure (mb)

1011
1011
1011
1011
1012
1012
1012
1012
1013
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1014
1014
1014

Ozone (du)

408
405
403
401
400
397
394
392
392
394
395
394
392
390
388
387
385
385
385
384
385
385
385
385

Forecast for Herne Bay CT6 7NH, UK (51.35,1.12)

Generated: 22/04/21 15:04:02. Forecast: 22/04/21 to 28/04/21. Timezone: UTC+1.00