Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 22

Waxing Gibbous 76%

13:57

05:00

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 Good

Sun - Rise: 05:56, Set: 20:19, Transit: 13:08. Moon - Rise: 13:57, Set: 05:00. Civil Dark: 20:55 - 05:19. Nautical Dark: 21:42 - 04:32. Astro Dark: 22:36 - 03:37

Total Clouds (% Sky Obscured)

0
1
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
1
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 (%)

0
1
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)

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

Chance of Frost

Temperature (°C)

14
16
16
16
16
15
13
11
9
7
6
5
4
4
3
2
1
2
4
7
9
12
14
15

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

44
42
40
40
42
46
50
53
54
54
54
54
56
60
67
75
81
82
78
72
64
57
50
45

Pressure (mb)

1026
1026
1026
1026
1026
1025
1026
1026
1027
1027
1027
1028
1028
1027
1027
1027
1027
1027
1028
1027
1027
1027
1026
1026

Ozone (du)

351
352
350
346
343
340
339
339
339
338
338
345
346
345
342
342
342
343
343
343
343
341
339
338

Friday 23

Waxing Gibbous 85%

15:19

05:19

14 Good
15 Good
16 Good
17 Good
18 Good
19 OK
20 OK
21 OK
22 Good
23 Good
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: 05:54, Set: 20:20, Transit: 13:08. Moon - Rise: 15:19, Set: 05:19. Civil Dark: 20:57 - 05:17. Nautical Dark: 21:44 - 04:30. Astro Dark: 22:39 - 03:34

Total Clouds (% Sky Obscured)

0
0
13
2
0
39
33
22
0
0
57
98
95
95
95
96
96
96
94
95
97
95
91
97

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
13
2
0
39
33
22
0
0
57
98
95
95
95
96
96
96
94
95
97
95
91
97

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
1

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
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
17
18
18
17
16
14
11
9
8
7
6
5
5
4
4
3
4
5
8
10
12
13
15

Feels Like (°C)

16
17
18
18
17
16
14
11
7
5
4
3
2
2
1
0
-0
0
2
4
7
12
13
15

Dew Point (°C)

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

Relative Humidity (%)

41
39
37
38
38
40
43
48
52
55
60
66
71
75
78
82
84
85
81
74
68
60
54
48

Pressure (mb)

1026
1025
1025
1024
1024
1025
1025
1026
1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1028
1028
1028
1027
1027
1026

Ozone (du)

335
331
329
328
328
330
328
326
324
322
320
320
318
316
313
311
311
313
314
314
315
316
317
314

Saturday 24

Waxing Gibbous 93%

16:43

05:37

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

Sun - Rise: 05:52, Set: 20:22, Transit: 13:08. Moon - Rise: 16:43, Set: 05:37. Civil Dark: 20:59 - 05:15. Nautical Dark: 21:46 - 04:27. Astro Dark: 22:42 - 03:31

Total Clouds (% Sky Obscured)

58
6
8
20
20
22
41
43
57
86
73
13
21
21
34
84
89
85
85
85
85
85
85
2

Low Clouds (% Sky Obscured)

0
1
0
0
0
0
0
1
1
1
3
13
21
21
34
84
89
85
85
85
85
85
85
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)

58
5
8
20
20
22
41
42
57
86
72
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
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0.1
0.09
0.05
0.03
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
15
15
14
14
14
13
12
12
13
13
12
12
12
12
12
12
12
14
15
15
16
15
15

Chance of Frost

Temperature (°C)

16
17
17
17
16
14
13
12
11
9
8
7
6
5
4
3
3
3
4
6
8
10
11
13

Feels Like (°C)

16
17
17
17
16
14
13
12
11
6
5
3
2
1
0
-1
-2
-1
-0
2
5
7
11
13

Dew Point (°C)

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

Relative Humidity (%)

45
42
43
45
47
51
54
56
59
65
73
77
81
86
90
93
95
95
89
81
72
64
57
54

Pressure (mb)

1026
1025
1025
1025
1025
1025
1025
1026
1026
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1027
1027

Ozone (du)

312
312
310
310
310
317
317
317
318
317
316
308
308
309
310
311
312
313
315
318
327
335
340
340

Sunday 25

Waxing Gibbous 98%

18:09

05:55

14 Good
15 Good
16 Good
17 Good
18 Good
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 Bad

Sun - Rise: 05:50, Set: 20:24, Transit: 13:08. Moon - Rise: 18:09, Set: 05:55. Civil Dark: 21:01 - 05:12. Nautical Dark: 21:48 - 04:25. Astro Dark: 22:45 - 03:27

Total Clouds (% Sky Obscured)

2
2
2
2
2
66
66
66
66
66
66
0
0
0
0
0
0
5
5
5
5
5
5
77

Low Clouds (% Sky Obscured)

2
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
5
5
5
5
5
5
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
66
66
66
66
66
66
0
0
0
0
0
0
0
0
0
0
0
0
77

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

Precipitation Amount (mm)

0.01
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)

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

Chance of Frost

Temperature (°C)

15
16
17
17
16
14
13
11
9
7
5
4
3
2
1
1
0
1
3
6
8
10
12
13

Feels Like (°C)

15
16
17
17
16
14
13
11
6
4
2
0
-1
-2
-3
-4
-4
-3
-1
2
5
8
12
13

Dew Point (°C)

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

Relative Humidity (%)

48
46
44
45
47
50
55
60
66
73
82
88
92
97
100
100
100
100
92
80
70
62
56
51

Pressure (mb)

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

Ozone (du)

342
344
346
349
350
353
354
356
357
357
357
358
359
360
361
359
358
359
359
358
358
358
358
359

Monday 26

Waxing Gibbous 100%

19:38

06:15

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: 05:48, Set: 20:25, Transit: 13:07. Moon - Rise: 19:38, Set: 06:15. Civil Dark: 21:03 - 05:10. Nautical Dark: 21:50 - 04:22. Astro Dark: 22:48 - 03:24

Total Clouds (% Sky Obscured)

77
77
77
77
77
99
99
99
99
99
99
44
44
44
44
44
44
50
50
50
50
50
50
98

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
39
39
39
39
39
39
98

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
44
44
44
44
44
44
48
48
48
48
48
48
88

High Clouds (% Sky Obscured)

77
77
77
77
77
99
99
99
99
99
99
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
5
7
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
1
10
22
32
33
27
10
2
0
0
1
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.02
0.11
0.19
0.3
0.32
0.19
0.05
0.01
0
0
0.01
0
0
0

Wind Speed/Direction (mph)

10
9
9
9
9
7
7
6
6
6
7
9
10
11
12
12
12
13
14
15
16
17
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
16
16
16
15
14
13
11
10
7
6
5
4
3
2
1
1
1
2
4
5
10
11
12

Dew Point (°C)

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

Relative Humidity (%)

47
44
44
47
52
59
63
69
74
79
85
88
95
100
100
100
100
100
96
86
79
72
65
60

Pressure (mb)

1018
1017
1016
1015
1015
1015
1015
1015
1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014

Ozone (du)

359
359
361
364
367
363
369
377
383
392
410
442
447
442
436
431
424
418
413
408
405
404
406
406

Tuesday 27

Full Moon 99%

21:09

06:38

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: 05:46, Set: 20:27, Transit: 13:07. Moon - Rise: 21:09, Set: 06:38. Civil Dark: 21:05 - 05:08. Nautical Dark: 21:53 - 04:20. Astro Dark: 22:51 - 03:21

Total Clouds (% Sky Obscured)

98
98
98
98
98
83
83
83
83
83
83
99
99
99
99
99
99
84
84
84
84
84
84
92

Low Clouds (% Sky Obscured)

98
98
98
98
98
63
63
63
63
63
63
54
54
54
54
54
54
73
73
73
73
73
73
91

Medium Clouds (% Sky Obscured)

88
88
88
88
88
73
73
73
73
73
73
99
99
99
99
99
99
54
54
54
54
54
54
28

High Clouds (% Sky Obscured)

0
0
0
0
0
34
34
34
34
34
34
7
7
7
7
7
7
6
6
6
6
6
6
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
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
4
4
5
6
6
5
4
4
4
4
5
5
5
5
5
5
5
5
6
6
6
5
5

Relative Humidity (%)

54
49
48
52
59
66
68
71
74
78
83
88
93
99
100
100
100
99
95
90
85
80
76
72

Pressure (mb)

1014
1013
1013
1013
1013
1013
1014
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1015
1015
1015
1015
1015
1014
1014

Ozone (du)

404
402
400
400
402
403
406
408
410
411
412
412
411
410
408
405
402
399
395
390
387
387
388
388

Wednesday 28

Waning Gibbous 94%

22:41

07:09

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: 05:44, Set: 20:29, Transit: 13:07. Moon - Rise: 22:41, Set: 07:09. Civil Dark: 21:06 - 05:06. Nautical Dark: 21:55 - 04:17. Astro Dark: 22:54 - 03:17

Total Clouds (% Sky Obscured)

92
92
92
92
92
58
58
58
58
58
58
99
99
99
99
99
99
96
96
96
96
96
96
97

Low Clouds (% Sky Obscured)

91
91
91
91
91
20
20
20
20
20
20
43
43
43
43
43
43
67
67
67
67
67
67
91

Medium Clouds (% Sky Obscured)

28
28
28
28
28
42
42
42
42
42
42
25
25
25
25
25
25
63
63
63
63
63
63
44

High Clouds (% Sky Obscured)

0
0
0
0
0
20
20
20
20
20
20
98
98
98
98
98
98
87
87
87
87
87
87
71

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

Precipitation Amount (mm)

0.02
0.02
0.02
0.04
0.06
0.08
0.06
0.04
0.02
0.01
0
0
0
0
0
0
0.01
0.01
0.02
0.03
0.05
0.04
0.03
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
59
57
60
67
73
75
77
78
80
82
87
94
100
100
100
100
100
100
98
89
82
76
67

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

387
385
384
383
382
381
379
378
376
374
373
372
371
370
370
370
370
369
368
367
366
366
366
365

Forecast for Bristol, City of Bristol, UK (51.45,-2.59)

Generated: 22/04/21 14:34:51. Forecast: 22/04/21 to 28/04/21. Timezone: UTC+1.00