Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 22

Waxing Gibbous 76%

14:04

05:02

14 Good
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 OK

Sun - Rise: 06:01, Set: 20:21, Transit: 13:12. Moon - Rise: 14:04, Set: 05:02. Civil Dark: 20:57 - 05:25. Nautical Dark: 21:42 - 04:40. Astro Dark: 22:34 - 03:47

Total Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
1
0
18

Low Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
1
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
18

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
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)

15
15
15
15
14
13
12
11
11
11
11
11
11
11
11
11
11
11
14
17
18
20
20
20

Chance of Frost

Temperature (°C)

12
12
12
12
12
11
10
8
7
7
6
6
5
4
4
3
3
4
6
8
10
11
13
13

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
53
50
48
49
51
54
60
64
69
74
82
87
92
96
98
99
97
91
84
75
68
63
58

Pressure (mb)

1026
1026
1026
1026
1025
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1026
1026
1026
1025
1025
1025

Ozone (du)

351
353
352
347
342
344
344
345
344
342
341
344
345
347
346
345
341
340
337
335
335
336
337
339

Friday 23

Waxing Gibbous 85%

15:25

05:22

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

Sun - Rise: 05:59, Set: 20:22, Transit: 13:12. Moon - Rise: 15:25, Set: 05:22. Civil Dark: 20:58 - 05:23. Nautical Dark: 21:44 - 04:37. Astro Dark: 22:37 - 03:44

Total Clouds (% Sky Obscured)

42
1
0
0
0
14
42
53
25
0
0
0
0
0
7
1
13
51
78
87
87
82
69
73

Low Clouds (% Sky Obscured)

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

42
1
0
0
0
14
41
53
25
0
0
0
0
0
7
0
11
50
78
87
87
82
67
73

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
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)

20
20
19
18
17
16
15
14
14
14
14
12
12
11
11
11
11
10
12
15
17
18
18
18

Chance of Frost

Temperature (°C)

14
14
14
13
13
12
11
10
9
9
8
7
6
6
5
4
4
4
6
8
10
12
14
15

Feels Like (°C)

14
14
14
13
13
12
11
7
6
5
5
4
3
2
1
1
0
1
3
5
10
12
14
15

Dew Point (°C)

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

Relative Humidity (%)

53
50
48
47
45
45
48
51
55
60
68
76
80
82
83
85
86
86
83
77
71
65
59
54

Pressure (mb)

1025
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1026
1026
1026
1026
1025
1024

Ozone (du)

335
334
331
328
326
324
324
324
323
322
320
322
321
319
317
315
314
314
313
314
315
315
314
311

Saturday 24

Waxing Gibbous 93%

16:48

05:40

14 Bad
15 Bad
16 OK
17 OK
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 Good
10 Good
11 Good
12 Good
13 Bad

Sun - Rise: 05:57, Set: 20:24, Transit: 13:11. Moon - Rise: 16:48, Set: 05:40. Civil Dark: 21:00 - 05:21. Nautical Dark: 21:46 - 04:35. Astro Dark: 22:39 - 03:41

Total Clouds (% Sky Obscured)

62
80
39
27
52
73
88
88
88
86
81
35
35
35
35
35
35
10
10
10
10
10
10
77

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
10
10
10
10
10
10
77

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)

62
80
39
27
51
73
88
88
88
86
81
35
35
35
35
35
35
1
1
1
1
1
1
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
1
1
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
0.09
0.06
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
16
16
15
15
14
13
12
11
9
8
7
6
5
5
4
4
4
5
6
8
10
12
13

Feels Like (°C)

15
16
16
15
15
14
13
12
11
6
5
3
2
1
1
-0
-1
-1
0
2
5
7
12
13

Dew Point (°C)

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

Relative Humidity (%)

52
51
52
55
57
58
61
65
66
68
71
72
76
82
87
90
92
93
89
83
75
68
61
56

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1027
1027
1027
1026
1026
1026
1026

Ozone (du)

310
310
311
312
312
318
319
319
320
321
322
314
313
312
311
311
313
315
315
315
316
316
319
324

Sunday 25

Waxing Gibbous 98%

18:13

05:59

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

Sun - Rise: 05:55, Set: 20:25, Transit: 13:11. Moon - Rise: 18:13, Set: 05:59. Civil Dark: 21:02 - 05:19. Nautical Dark: 21:48 - 04:32. Astro Dark: 22:42 - 03:38

Total Clouds (% Sky Obscured)

77
77
77
77
77
3
3
3
3
3
3
53
53
53
53
53
53
2
2
2
2
2
2
63

Low Clouds (% Sky Obscured)

77
77
77
77
77
3
3
3
3
3
3
1
1
1
1
1
1
2
2
2
2
2
2
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
52
52
52
52
52
52
0
0
0
0
0
0
63

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
1
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
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
16
17
17
16
15
13
12
10
9
7
6
5
4
3
2
2
2
4
6
8
10
12
14

Feels Like (°C)

15
16
17
17
16
15
13
12
10
6
4
3
1
0
-1
-2
-3
-2
-0
2
5
10
12
14

Dew Point (°C)

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

Relative Humidity (%)

50
47
46
47
49
52
56
62
66
71
78
82
86
89
91
93
95
93
88
79
71
62
53
47

Pressure (mb)

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

Ozone (du)

328
331
334
338
343
350
351
352
354
355
356
357
357
358
358
357
356
356
357
357
358
358
359
356

Monday 26

Waxing Gibbous 100%

19:41

06:20

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

Sun - Rise: 05:54, Set: 20:27, Transit: 13:11. Moon - Rise: 19:41, Set: 06:20. Civil Dark: 21:04 - 05:17. Nautical Dark: 21:50 - 04:30. Astro Dark: 22:45 - 03:34

Total Clouds (% Sky Obscured)

63
63
63
63
63
95
95
95
95
95
95
11
11
11
11
11
11
18
18
18
18
18
18
31

Low Clouds (% Sky Obscured)

0
0
0
0
0
7
7
7
7
7
7
0
0
0
0
0
0
1
1
1
1
1
1
31

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
4
4
4
4
4
0

High Clouds (% Sky Obscured)

63
63
63
63
63
94
94
94
94
94
94
11
11
11
11
11
11
15
15
15
15
15
15
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
1
2
5
10
11
10
9
6
3
2
1
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.01
0.02
0.05
0.09
0.1
0.09
0.07
0.05
0.03
0.02
0.01
0
0

Wind Speed/Direction (mph)

10
10
9
10
10
8
7
6
5
5
6
7
8
9
10
12
13
14
15
16
17
17
17
17

Chance of Frost

Temperature (°C)

15
16
17
17
16
15
13
11
9
8
8
8
8
8
7
7
6
6
7
8
9
11
12
14

Feels Like (°C)

15
16
17
17
16
15
13
11
8
7
6
6
5
5
4
3
2
2
3
4
6
11
12
14

Dew Point (°C)

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

Relative Humidity (%)

42
40
39
42
46
52
60
69
76
81
86
83
87
90
93
99
100
100
98
89
81
70
58
49

Pressure (mb)

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

Ozone (du)

356
356
354
355
356
351
354
359
366
373
378
398
415
431
441
439
430
422
418
415
411
408
404
402

Tuesday 27

Full Moon 99%

21:11

06:45

14 OK
15 OK
16 OK
17 OK
18 OK
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

Sun - Rise: 05:52, Set: 20:29, Transit: 13:11. Moon - Rise: 21:11, Set: 06:45. Civil Dark: 21:05 - 05:15. Nautical Dark: 21:52 - 04:28. Astro Dark: 22:48 - 03:31

Total Clouds (% Sky Obscured)

31
31
31
31
31
86
86
86
86
86
86
94
94
94
94
94
94
85
85
85
85
85
85
63

Low Clouds (% Sky Obscured)

31
31
31
31
31
85
85
85
85
85
85
92
92
92
92
92
92
78
78
78
78
78
78
35

Medium Clouds (% Sky Obscured)

0
0
0
0
0
63
63
63
63
63
63
67
67
67
67
67
67
58
58
58
58
58
58
53

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
8
8
8
8
8
8
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
1
2
2
1
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1

Precipitation Amount (mm)

0
0
0
0.01
0.02
0.03
0.02
0.01
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0.01
0.01
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

44
41
42
48
56
62
67
70
74
78
83
87
93
98
100
100
100
100
96
87
75
65
55
51

Pressure (mb)

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

Ozone (du)

402
404
405
406
407
406
404
401
399
397
395
394
394
394
394
393
391
389
388
388
387
387
387
386

Wednesday 28

Waning Gibbous 94%

22:41

07:16

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

Sun - Rise: 05:50, Set: 20:30, Transit: 13:11. Moon - Rise: 22:41, Set: 07:16. Civil Dark: 21:07 - 05:13. Nautical Dark: 21:54 - 04:25. Astro Dark: 22:51 - 03:28

Total Clouds (% Sky Obscured)

63
63
63
63
63
99
99
99
99
99
99
95
95
95
95
95
95
88
88
88
88
88
88
100

Low Clouds (% Sky Obscured)

35
35
35
35
35
61
61
61
61
61
61
17
17
17
17
17
17
11
11
11
11
11
11
24

Medium Clouds (% Sky Obscured)

53
53
53
53
53
79
79
79
79
79
79
2
2
2
2
2
2
27
27
27
27
27
27
84

High Clouds (% Sky Obscured)

0
0
0
0
0
96
96
96
96
96
96
95
95
95
95
95
95
84
84
84
84
84
84
98

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

Precipitation Amount (mm)

0.02
0.04
0.06
0.07
0.09
0.09
0.06
0.02
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0
0
0
0
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

14
13
12
12
12
11
10
9
8
8
7
6
6
5
5
4
4
5
6
7
9
10
11
11

Feels Like (°C)

14
13
12
12
12
11
10
7
6
5
4
4
3
2
2
1
1
1
2
4
6
7
11
11

Dew Point (°C)

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

Relative Humidity (%)

50
54
60
65
65
66
68
71
77
84
90
95
98
100
100
100
100
100
100
99
90
83
76
69

Pressure (mb)

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

Ozone (du)

386
385
384
381
377
374
373
371
370
368
366
364
363
362
361
360
359
359
359
360
360
360
359
359

Welcome to Clear Outside

Forecast for FLO HQ, Exeter, Devon, UK (50.70,-3.52)

Generated: 22/04/21 13:45:20. Forecast: 22/04/21 to 28/04/21. Timezone: UTC+1.00