Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 22

Waxing Gibbous 76%

14:03

04:55

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: 06:00, Set: 20:14, Transit: 13:08. Moon - Rise: 14:03, Set: 04:55. Civil Dark: 20:48 - 05:25. Nautical Dark: 21:32 - 04:42. Astro Dark: 22:21 - 03:52

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 (%)

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
12
12
12
12
12
11
11
11
10
10
10
6
6
5
5
5
5
6
10
11
12
13
13

Dew Point (°C)

7
7
7
7
7
7
7
7
8
8
8
8
8
7
7
7
7
7
7
7
7
8
8
8

Relative Humidity (%)

74
73
72
71
71
73
76
79
82
84
86
88
86
84
83
82
83
83
82
80
79
77
74
72

Pressure (mb)

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

Ozone (du)

359
357
354
353
353
356
354
352
348
346
346
346
342
338
338
339
340
342
343
339
336
337
336
339

Friday 23

Waxing Gibbous 85%

15:23

05:16

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 OK
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Good
11 Good
12 Good
13 OK

Sun - Rise: 05:58, Set: 20:15, Transit: 13:08. Moon - Rise: 15:23, Set: 05:16. Civil Dark: 20:50 - 05:23. Nautical Dark: 21:34 - 04:39. Astro Dark: 22:24 - 03:49

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
16
42
44
82
95
79
10
6
10
13

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
16
42
44
82
95
79
10
6
10
13

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
14
14
14
13
13
13
12
12
12
12
11
11
10
10
10
6
6
10
11
11
12
13
13

Dew Point (°C)

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

Relative Humidity (%)

71
71
71
72
73
72
73
74
76
78
79
80
81
83
83
84
85
85
85
85
83
80
78
75

Pressure (mb)

1022
1022
1022
1021
1021
1021
1021
1022
1022
1021
1021
1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1022

Ozone (du)

341
342
341
341
340
337
333
330
327
325
324
328
329
328
327
325
323
324
323
321
318
316
315
315

Saturday 24

Waxing Gibbous 93%

16:45

05:36

14 Bad
15 OK
16 OK
17 Bad
18 Bad
19 Bad
20 OK
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 Good

Sun - Rise: 05:57, Set: 20:17, Transit: 13:07. Moon - Rise: 16:45, Set: 05:36. Civil Dark: 20:52 - 05:21. Nautical Dark: 21:36 - 04:37. Astro Dark: 22:26 - 03:46

Total Clouds (% Sky Obscured)

52
28
32
65
66
41
32
46
63
71
91
95
95
84
91
84
85
92
92
92
92
92
92
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
0
0
1
1
6
29
74
74
74
74
74
74
0

Medium Clouds (% Sky Obscured)

0
2
28
65
66
41
32
38
60
70
77
77
78
48
52
45
40
35
35
35
35
35
35
0

High Clouds (% Sky Obscured)

52
28
16
1
0
0
0
13
5
2
70
84
87
74
84
76
71
63
63
63
63
63
63
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
0.02
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

23
24
24
26
26
25
26
26
26
26
26
28
28
28
28
28
28
29
29
29
28
28
29
30

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
13
13
12
12
12
11
11
11
10
6
5
5
5
5
5
5
5
5
10
11
11
11

Dew Point (°C)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8

Relative Humidity (%)

75
76
77
78
79
81
82
84
87
91
94
97
98
99
99
100
100
99
98
96
92
88
84
82

Pressure (mb)

1022
1022
1022
1022
1022
1021
1021
1022
1022
1022
1022
1023
1023
1023
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023

Ozone (du)

316
319
321
323
321
324
323
322
321
321
321
315
314
314
314
315
315
315
316
317
317
318
320
321

Sunday 25

Waxing Gibbous 98%

18:08

05:56

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 OK
08 OK
09 OK
10 OK
11 OK
12 OK
13 Good

Sun - Rise: 05:55, Set: 20:18, Transit: 13:07. Moon - Rise: 18:08, Set: 05:56. Civil Dark: 20:53 - 05:19. Nautical Dark: 21:38 - 04:35. Astro Dark: 22:29 - 03:43

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
16
16
16
16
16
16
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
16
16
16
16
16
16
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
1
1
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
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

30
30
30
30
31
31
30
31
31
30
30
29
29
29
29
29
29
28
27
26
26
25
26
27

Chance of Frost

Temperature (°C)

11
11
11
11
11
11
11
10
10
10
9
9
9
9
9
9
9
9
9
10
10
10
11
11

Feels Like (°C)

11
11
11
11
11
11
11
10
10
5
5
5
4
4
4
4
4
5
5
5
10
10
11
11

Dew Point (°C)

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

Relative Humidity (%)

79
78
78
77
77
77
78
81
86
90
93
95
97
99
100
100
100
100
99
97
94
91
89
87

Pressure (mb)

1022
1022
1021
1021
1021
1020
1020
1021
1021
1020
1020
1019
1019
1018
1018
1017
1017
1017
1016
1016
1016
1016
1015
1015

Ozone (du)

320
320
320
320
320
323
325
329
333
336
340
337
341
345
348
351
354
362
364
364
364
363
362
361

Monday 26

Waxing Gibbous 100%

19:35

06:19

14 Good
15 Good
16 Good
17 Good
18 Good
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 OK
08 OK
09 OK
10 OK
11 OK
12 OK
13 OK

Sun - Rise: 05:53, Set: 20:20, Transit: 13:07. Moon - Rise: 19:35, Set: 06:19. Civil Dark: 20:55 - 05:17. Nautical Dark: 21:40 - 04:33. Astro Dark: 22:31 - 03:40

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
38
38
38
38
38
38
6
6
6
6
6
6
27

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
6
6
6
6
6
27

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
13

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
38
38
38
38
38
38
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
1
1
1
1
2
0
0
0
0
0
2
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

27
26
24
23
21
21
19
18
18
18
18
22
22
22
22
23
24
24
25
26
26
26
26
25

Chance of Frost

Temperature (°C)

11
11
11
11
11
11
11
11
11
10
10
10
9
9
9
9
9
9
9
9
10
10
10
11

Feels Like (°C)

11
11
11
11
11
11
11
11
11
10
10
6
5
5
5
5
5
5
5
5
5
6
10
11

Dew Point (°C)

9
9
8
8
8
8
8
8
8
9
9
9
9
9
9
9
9
9
9
9
10
10
9
9

Relative Humidity (%)

86
84
82
81
80
81
81
82
86
90
93
95
98
100
100
100
100
100
100
100
100
97
94
91

Pressure (mb)

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

Ozone (du)

360
359
357
357
359
356
355
354
354
356
359
367
375
383
393
408
425
436
436
431
427
424
422
421

Tuesday 27

Full Moon 99%

21:03

06:45

14 OK
15 OK
16 OK
17 OK
18 OK
19 Good
20 Good
21 OK
22 OK
23 OK
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

Sun - Rise: 05:51, Set: 20:21, Transit: 13:07. Moon - Rise: 21:03, Set: 06:45. Civil Dark: 20:57 - 05:16. Nautical Dark: 21:42 - 04:30. Astro Dark: 22:34 - 03:37

Total Clouds (% Sky Obscured)

27
27
27
27
27
2
2
2
2
2
2
38
38
38
38
38
38
45
45
45
45
45
45
38

Low Clouds (% Sky Obscured)

27
27
27
27
27
0
0
0
0
0
0
11
11
11
11
11
11
19
19
19
19
19
19
22

Medium Clouds (% Sky Obscured)

13
13
13
13
13
2
2
2
2
2
2
34
34
34
34
34
34
44
44
44
44
44
44
29

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
4
4
4
4
4
4
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
2
4
5
5
5
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.01
0.01
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)

24
23
22
22
22
22
22
22
23
24
25
25
26
26
26
25
25
25
25
25
24
24
23
22

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
8
8
9
9
9
9
9
9
9
9
8
8
8
8
8
8
8
9
9
9
10
10

Relative Humidity (%)

88
84
82
82
84
85
86
88
90
93
95
97
99
100
100
100
100
100
100
100
100
100
100
97

Pressure (mb)

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

Ozone (du)

420
420
419
415
411
408
409
411
413
413
412
411
408
406
403
402
402
401
398
396
394
393
393
392

Wednesday 28

Waning Gibbous 94%

22:32

07:18

14 Bad
15 Bad
16 OK
17 OK
18 OK
19 OK
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: 05:49, Set: 20:23, Transit: 13:07. Moon - Rise: 22:32, Set: 07:18. Civil Dark: 20:59 - 05:14. Nautical Dark: 21:44 - 04:28. Astro Dark: 22:37 - 03:34

Total Clouds (% Sky Obscured)

38
38
38
38
38
39
39
39
39
39
39
75
75
75
75
75
75
98
98
98
98
98
98
97

Low Clouds (% Sky Obscured)

22
22
22
22
22
32
32
32
32
32
32
63
63
63
63
63
63
7
7
7
7
7
7
0

Medium Clouds (% Sky Obscured)

29
29
29
29
29
34
34
34
34
34
34
36
36
36
36
36
36
94
94
94
94
94
94
0

High Clouds (% Sky Obscured)

0
0
0
0
0
4
4
4
4
4
4
20
20
20
20
20
20
74
74
74
74
74
74
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
Very Light Rain
Very Light Rain
Very Light Rain
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
None

Precipitation Probability (%)

5
3
3
0
0
0
2
8
16
11
3
0
2
4
7
7
6
6
7
8
9
8
6
5

Precipitation Amount (mm)

0.01
0.01
0.01
0
0
0
0.01
0.07
0.12
0.07
0.01
0
0.01
0.03
0.05
0.04
0.03
0.03
0.04
0.05
0.05
0.05
0.04
0.03

Wind Speed/Direction (mph)

21
19
18
17
17
17
17
17
17
17
17
17
17
16
15
15
16
16
16
17
17
16
15
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

10
11
11
11
11
11
10
6
6
6
5
5
5
5
5
5
5
5
5
5
5
6
7
10

Dew Point (°C)

9
9
8
8
8
9
9
9
9
9
9
9
9
9
8
8
8
8
8
8
9
9
10
10

Relative Humidity (%)

93
89
86
85
85
87
91
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Pressure (mb)

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

Ozone (du)

392
391
389
385
380
376
376
377
377
375
373
371
369
367
365
363
362
360
359
359
359
358
356
355

Forecast for Guernsey (49.46,-2.53)

Generated: 22/04/21 14:39:17. Forecast: 22/04/21 to 28/04/21. Timezone: UTC+1.00