Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 22

Waxing Gibbous 76%

No Rise

05:04

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 OK
09 Good
10 Good
11 Good
12 Good
13 Good
14 Good

Sun - Rise: 06:05, Set: 20:22, Transit: 13:14. Moon - Rise: No Rise, Set: 05:04. Civil Dark: 20:58 - 05:29. Nautical Dark: 21:43 - 04:44. Astro Dark: 22:34 - 03:52

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

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

20
20
20
20
20
20
20
20
20
20
21
21
20
21
21
21
21
22
23
24
24
24
25
25

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
12
11
10
6
5
5
4
4
4
3
3
3
3
3
3
4
6
11
12
12
13
14

Dew Point (°C)

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

Relative Humidity (%)

59
57
56
56
56
59
63
69
75
81
86
92
95
98
99
98
95
90
85
79
74
71
67
63

Pressure (mb)

1025
1024
1024
1025
1024
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024

Ozone (du)

350
349
344
340
344
346
344
342
341
340
343
345
346
346
343
339
338
336
337
339
340
339
342
340

Friday 23

Waxing Gibbous 85%

15:28

05:24

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

Sun - Rise: 06:03, Set: 20:24, Transit: 13:14. Moon - Rise: 15:28, Set: 05:24. Civil Dark: 21:00 - 05:27. Nautical Dark: 21:45 - 04:41. Astro Dark: 22:37 - 03:49

Total Clouds (% Sky Obscured)

35
0
0
0
0
0
0
2
1
0
4
0
41
82
57
20
5
31
62
16
63
34
66
84

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
1
1
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)

35
0
0
0
0
0
0
2
1
0
4
0
41
82
57
20
4
31
62
16
63
34
66
84

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)

25
25
24
23
23
23
22
22
22
22
22
21
21
21
21
21
20
21
22
23
23
24
24
24

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
13
13
12
11
11
10
6
6
6
5
5
4
4
3
3
3
4
6
11
11
12
13
14

Dew Point (°C)

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

Relative Humidity (%)

61
61
62
63
63
64
66
70
74
79
83
87
90
92
94
95
93
89
85
80
76
73
68
65

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1023
1023
1024
1024
1024
1024
1024
1024
1023
1023

Ozone (du)

334
330
328
325
325
324
323
322
321
320
325
323
319
317
315
313
314
314
315
315
314
313
312
312

Saturday 24

Waxing Gibbous 93%

16:51

05:43

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

Sun - Rise: 06:01, Set: 20:26, Transit: 13:14. Moon - Rise: 16:51, Set: 05:43. Civil Dark: 21:01 - 05:25. Nautical Dark: 21:47 - 04:39. Astro Dark: 22:39 - 03:46

Total Clouds (% Sky Obscured)

85
84
92
94
95
96
95
91
73
73
69
52
56
45
42
21
31
31
31
31
31
31
34
34

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
4
16
16
16
16
16
16
15
15

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)

85
84
92
94
95
96
95
91
73
73
69
52
56
45
41
18
16
16
16
16
16
16
23
23

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

7
6
6
6
6
6
6
7
7
6
5
5
5
5
5
5
5
5
5
6
6
6
6
6

Relative Humidity (%)

61
60
60
61
66
69
73
78
80
81
81
84
88
92
96
98
97
93
88
83
78
73
69
64

Pressure (mb)

1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1025
1026
1026
1026
1025
1025

Ozone (du)

313
313
314
315
321
323
323
322
322
322
314
313
314
313
313
314
314
314
315
317
318
319
321
324

Sunday 25

Waxing Gibbous 98%

18:16

06:02

15 OK
16 OK
17 OK
18 OK
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: 05:59, Set: 20:27, Transit: 13:14. Moon - Rise: 18:16, Set: 06:02. Civil Dark: 21:03 - 05:23. Nautical Dark: 21:49 - 04:37. Astro Dark: 22:42 - 03:43

Total Clouds (% Sky Obscured)

34
34
34
34
0
0
0
0
0
0
9
9
9
9
9
9
1
1
1
1
1
1
0
0

Low Clouds (% Sky Obscured)

15
15
15
15
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
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)

23
23
23
23
0
0
0
0
0
0
9
9
9
9
9
9
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
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
0.01
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)

21
20
19
18
17
16
15
15
15
16
17
18
17
17
17
16
14
14
15
15
14
13
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
58
59
62
65
69
74
79
82
85
85
82
82
83
85
87
85
82
77
72
65
59
55
52

Pressure (mb)

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

Ozone (du)

325
327
330
336
344
348
351
352
353
354
355
356
357
357
357
357
357
357
358
358
358
358
355
355

Monday 26

Waxing Gibbous 100%

19:43

06:23

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

Sun - Rise: 05:57, Set: 20:29, Transit: 13:14. Moon - Rise: 19:43, Set: 06:23. Civil Dark: 21:05 - 05:21. Nautical Dark: 21:51 - 04:34. Astro Dark: 22:45 - 03:39

Total Clouds (% Sky Obscured)

0
0
0
0
38
38
38
38
38
38
0
0
0
0
0
0
27
27
27
27
27
27
23
23

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
23
23

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
2
2
0
0

High Clouds (% Sky Obscured)

0
0
0
0
38
38
38
38
38
38
0
0
0
0
0
0
25
25
25
25
25
25
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
1
1
2
5
5
4
0
0
1
1
1
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
15
15
14
12
10
7
7
6
6
5
5
5
4
3
3
3
5
6
11
12
13
14

Dew Point (°C)

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

Relative Humidity (%)

49
48
51
56
61
67
76
82
87
91
91
92
93
93
95
97
98
96
94
90
84
74
64
58

Pressure (mb)

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

Ozone (du)

355
354
353
353
348
350
354
358
363
370
388
404
420
430
430
424
407
398
388
382
379
378
378
377

Tuesday 27

Full Moon 99%

21:13

06:48

15 OK
16 OK
17 OK
18 OK
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: 05:55, Set: 20:30, Transit: 13:13. Moon - Rise: 21:13, Set: 06:48. Civil Dark: 21:07 - 05:19. Nautical Dark: 21:53 - 04:32. Astro Dark: 22:48 - 03:36

Total Clouds (% Sky Obscured)

23
23
23
23
22
22
22
22
22
22
41
41
41
41
41
41
48
48
48
48
48
48
74
74

Low Clouds (% Sky Obscured)

23
23
23
23
22
22
22
22
22
22
27
27
27
27
27
27
41
41
41
41
41
41
44
44

Medium Clouds (% Sky Obscured)

0
0
0
0
2
2
2
2
2
2
2
2
2
2
2
2
16
16
16
16
16
16
66
66

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
20
20
20
20
20
20
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
1
1
3
5
5
2
1
1
1
1
0
0
0
0
0
0
1
2
2
2
1
2
2

Precipitation Amount (mm)

0.01
0.01
0.04
0.13
0.21
0.13
0.03
0.01
0.01
0.01
0.01
0
0
0
0
0
0
0.01
0.01
0.02
0.02
0.02
0.03
0.04

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

6
6
6
7
7
7
7
7
7
7
6
6
6
6
6
6
7
7
7
7
7
6
6
6

Relative Humidity (%)

56
56
60
66
71
75
81
86
89
91
94
96
97
98
100
100
100
98
93
87
79
70
65
65

Pressure (mb)

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

Ozone (du)

376
375
374
373
372
371
370
369
370
371
371
371
370
369
368
367
367
367
367
367
366
366
367
367

Wednesday 28

Waning Gibbous 94%

22:43

07:20

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: 05:53, Set: 20:32, Transit: 13:13. Moon - Rise: 22:43, Set: 07:20. Civil Dark: 21:08 - 05:17. Nautical Dark: 21:55 - 04:29. Astro Dark: 22:51 - 03:33

Total Clouds (% Sky Obscured)

74
74
74
74
98
98
98
98
98
98
81
81
81
81
81
81
95
95
95
95
95
95
99
99

Low Clouds (% Sky Obscured)

44
44
44
44
15
15
15
15
15
15
81
81
81
81
81
81
62
62
62
62
62
62
17
17

Medium Clouds (% Sky Obscured)

66
66
66
66
51
51
51
51
51
51
3
3
3
3
3
3
31
31
31
31
31
31
31
31

High Clouds (% Sky Obscured)

0
0
0
0
95
95
95
95
95
95
13
13
13
13
13
13
88
88
88
88
88
88
99
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

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

Precipitation Amount (mm)

0.06
0.07
0.08
0.07
0.07
0.04
0.02
0.01
0.01
0
0
0
0
0
0.01
0.02
0.03
0.03
0.02
0.02
0.01
0.01
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
70
71
72
73
75
77
83
90
97
100
100
100
100
100
100
100
100
100
100
91
79
70
65

Pressure (mb)

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

Ozone (du)

368
369
371
372
373
371
369
366
366
366
365
364
362
361
360
360
360
361
361
362
363
364
365
366

Forecast for Plymouth, Plymouth, UK (50.38,-4.14)

Generated: 22/04/21 15:24:18. Forecast: 22/04/21 to 28/04/21. Timezone: UTC+1.00