Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waxing Gibbous 78%

14:25

05:05

10 OK
11 OK
12 Bad
13 Bad
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

Sun - Rise: 06:13, Set: 20:18, Transit: 13:16. Moon - Rise: 14:25, Set: 05:05. Civil Dark: 20:53 - 05:37. Nautical Dark: 21:37 - 04:53. Astro Dark: 22:26 - 04:03

Total Clouds (% Sky Obscured)

26
41
57
81
98
85
64
88
77
86
58
56
59
89
63
61
59
68
73
78
95
93
92
92

Low Clouds (% Sky Obscured)

0
5
19
22
17
20
19
41
41
51
43
44
58
90
54
59
58
66
72
77
95
92
91
91

Medium Clouds (% Sky Obscured)

21
28
34
36
38
28
30
55
43
53
31
29
1
2
5
6
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

5
7
14
54
97
60
25
40
4
3
2
1
1
1
0
0
0
2
2
2
2
5
3
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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
1
2
0
0
0
1
2
2
1
4

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)

5
2
2
5
7
9
10
11
11
11
10
8
8
10
12
11
12
12
13
12
11
11
14
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

7
9
10
10
8
8
6
6
5
5
4
4
4
4
4
5
5
5
5
5
5
5
5
6

Dew Point (°C)

3
3
3
2
3
3
2
3
4
5
5
4
5
6
7
7
7
7
8
7
8
7
7
8

Relative Humidity (%)

71
64
58
55
55
55
57
60
70
79
84
91
93
94
90
94
94
96
96
96
95
88
85
84

Pressure (mb)

1026
1026
1026
1026
1026
1025
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1023
1023
1022
1022
1022
1022
1023
1023

Ozone (du)

357
357
357
356
358
358
357
354
353
354
354
355
355
353
353
353
351
348
347
344
341
340
341
342

Friday 19

Waxing Gibbous 86%

15:35

05:17

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

Sun - Rise: 06:11, Set: 20:20, Transit: 13:16. Moon - Rise: 15:35, Set: 05:17. Civil Dark: 20:55 - 05:35. Nautical Dark: 21:39 - 04:51. Astro Dark: 22:29 - 04:00

Total Clouds (% Sky Obscured)

72
84
92
69
53
58
51
45
63
70
59
8
4
3
3
3
2
1
3
2
2
2
3
3

Low Clouds (% Sky Obscured)

70
82
92
72
56
61
55
47
59
59
41
3
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)

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

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

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 (%)

5
5
2
0
2
2
2
0
2
2
11
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)

17
19
18
18
18
17
18
17
14
12
10
9
8
7
6
6
6
5
5
4
4
3
3
4

Chance of Frost

Temperature (°C)

10
11
11
11
12
12
12
11
11
10
9
9
7
6
5
5
4
4
3
3
3
4
6
8

Feels Like (°C)

5
6
6
6
7
8
8
7
8
7
6
7
6
5
4
3
3
2
3
2
2
3
6
7

Dew Point (°C)

8
7
7
7
7
7
7
7
7
7
7
8
6
5
4
4
3
3
2
2
2
2
4
5

Relative Humidity (%)

83
76
77
76
73
72
72
72
76
82
87
93
96
94
93
93
93
93
93
91
91
89
86
82

Pressure (mb)

1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1025
1026
1026
1026
1027
1027
1027
1027
1027
1028
1028
1029
1029
1030

Ozone (du)

343
343
343
343
343
342
342
343
344
348
350
350
351
351
349
346
345
344
344
346
347
347
345
344

Saturday 20

Waxing Gibbous 92%

16:44

05:27

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

Sun - Rise: 06:09, Set: 20:21, Transit: 13:16. Moon - Rise: 16:44, Set: 05:27. Civil Dark: 20:57 - 05:33. Nautical Dark: 21:41 - 04:48. Astro Dark: 22:32 - 03:57

Total Clouds (% Sky Obscured)

22
52
64
74
64
64
73
55
25
38
22
23
8
5
5
4
3
3
4
3
3
10
15
23

Low Clouds (% Sky Obscured)

21
51
64
74
66
66
74
58
25
38
25
27
6
1
1
1
1
1
1
1
1
8
14
21

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
3
3

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
5
8
4
4
4
4
4
4
4
4
4

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
12
2
0
0
1
0
1
10
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
7
7
7
8
8
8
8
8
7
6
5
5
5
5
4
4
4
4
4
5
6
9

Dew Point (°C)

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

Relative Humidity (%)

78
74
72
73
72
72
72
74
77
80
85
85
85
90
91
90
88
86
86
86
86
85
81
77

Pressure (mb)

1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1030
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031

Ozone (du)

345
346
346
347
347
347
345
345
345
345
346
346
346
346
347
349
352
356
360
363
364
365
367
371

Sunday 21

Waxing Gibbous 96%

17:52

05:37

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

Sun - Rise: 06:07, Set: 20:23, Transit: 13:16. Moon - Rise: 17:52, Set: 05:37. Civil Dark: 20:58 - 05:31. Nautical Dark: 21:43 - 04:46. Astro Dark: 22:34 - 03:54

Total Clouds (% Sky Obscured)

40
61
85
86
88
91
88
86
84
87
87
76
59
49
34
23
12
20
20
20
0
14
30
49

Low Clouds (% Sky Obscured)

34
52
77
79
83
85
83
79
76
79
78
63
54
45
33
22
11
1
0
0
0
11
20
31

Medium Clouds (% Sky Obscured)

10
9
16
25
41
38
32
22
17
17
18
20
14
8
0
0
0
2
2
2
0
0
0
0

High Clouds (% Sky Obscured)

3
4
2
35
26
0
0
0
0
0
0
1
0
2
2
4
4
44
55
50
0
4
7
11

ISS Passover

Visibility (miles)

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

Fog (%)

4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4

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
9
0
16
15
21
20
13
5
4
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)

5
5
6
6
6
5
7
8
8
9
9
8
7
7
7
7
7
7
7
7
7
8
9
12

Chance of Frost

Temperature (°C)

10
11
12
12
12
12
12
11
10
9
8
8
7
6
5
5
4
4
3
3
2
2
4
5

Feels Like (°C)

10
10
11
9
10
10
9
8
7
6
5
5
5
4
4
3
2
1
-1
-2
-2
-1
1
2

Dew Point (°C)

5
5
6
6
7
7
8
8
8
7
7
6
6
5
4
4
3
2
2
2
1
1
2
2

Relative Humidity (%)

73
68
66
66
71
72
75
83
87
85
88
90
93
94
93
94
93
91
94
94
93
91
89
80

Pressure (mb)

1031
1031
1031
1031
1030
1030
1030
1030
1030
1030
1030
1031
1031
1031
1032
1032
1032
1032
1032
1032
1032
1032
1032
1032

Ozone (du)

371
372
374
374
374
373
370
371
376
380
383
386
396
400
399
395
390
386
388
393
400
406
409
407

Monday 22

Waxing Gibbous 99%

19:02

05:49

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

Sun - Rise: 06:05, Set: 20:24, Transit: 13:16. Moon - Rise: 19:02, Set: 05:49. Civil Dark: 21:00 - 05:29. Nautical Dark: 21:45 - 04:44. Astro Dark: 22:37 - 03:51

Total Clouds (% Sky Obscured)

53
56
63
64
64
65
57
47
33
53
43
34
42
49
57
67
77
83
74
74
74
51
32
13

Low Clouds (% Sky Obscured)

36
41
62
66
75
76
71
64
35
34
23
11
17
23
31
36
39
41
39
33
31
23
16
11

Medium Clouds (% Sky Obscured)

0
0
0
0
2
2
1
1
0
19
17
16
17
16
18
20
25
29
33
33
38
28
14
0

High Clouds (% Sky Obscured)

7
4
0
2
3
2
2
0
0
4
2
1
0
0
0
0
1
1
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4

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
13
2
7
16
9
24
23
18
14
4
5
4
1
2
2
1
4
5
3
5
5
3

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

Chance of Frost

Temperature (°C)

7
8
9
9
10
10
10
10
9
8
7
6
4
4
3
3
3
3
3
3
3
3
4
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
63
59
56
56
55
57
61
66
70
76
80
86
85
83
83
83
85
85
82
82
79
75
70

Pressure (mb)

1032
1032
1031
1031
1031
1030
1030
1029
1029
1029
1029
1030
1030
1030
1030
1030
1029
1029
1029
1029
1029
1029
1029
1029

Ozone (du)

403
403
403
402
404
407
410
412
415
420
421
422
424
421
419
417
420
423
426
425
424
423
422
421

Tuesday 23

Waxing Gibbous 100%

20:14

06:02

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

Sun - Rise: 06:03, Set: 20:26, Transit: 13:15. Moon - Rise: 20:14, Set: 06:02. Civil Dark: 21:02 - 05:27. Nautical Dark: 21:47 - 04:41. Astro Dark: 22:40 - 03:48

Total Clouds (% Sky Obscured)

24
36
47
54
58
65
49
35
27
29
32
35
54
74
94
96
98
99
97
95
94
96
98
100

Low Clouds (% Sky Obscured)

21
34
49
62
71
79
64
49
35
30
29
25
29
34
44
56
63
69
65
61
58
64
69
73

Medium Clouds (% Sky Obscured)

0
0
0
1
1
2
1
1
0
0
0
0
26
52
77
80
79
80
77
73
67
77
87
97

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
2
8
15
21
33
47
62
67
73
78
69
58
50
63
76
90

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4
4

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 (%)

4
3
0
0
0
0
1
1
1
3
3
1
5
6
4
11
12
10
13
13
8
19
26
34

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

Chance of Frost

Temperature (°C)

7
8
8
9
10
10
10
9
8
8
6
5
4
4
4
4
5
6
6
6
6
6
6
7

Feels Like (°C)

-0
0
1
1
6
6
6
7
7
7
4
3
4
3
3
2
1
2
2
3
3
3
3
3

Dew Point (°C)

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

Relative Humidity (%)

65
63
60
58
58
59
59
64
69
75
79
83
89
91
93
96
94
93
93
93
93
94
90
87

Pressure (mb)

1029
1029
1029
1029
1028
1028
1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1025
1025
1024
1024
1023
1023
1022
1022

Ozone (du)

419
416
412
408
405
403
400
397
395
392
393
393
393
392
391
391
391
390
390
392
394
396
397
397

Wednesday 24

Full Moon 99%

21:28

06:19

10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 OK
22 OK
23 OK
00 Bad

Sun - Rise: 06:01, Set: 20:28, Transit: 13:15. Moon - Rise: 21:28, Set: 06:19. Civil Dark: 21:04 - 05:25. Nautical Dark: 21:49 - 04:39. Astro Dark: 22:42 - 03:45

Total Clouds (% Sky Obscured)

99
98
97
94
92
90
88
85
83
64
46
27
33
38
44

Low Clouds (% Sky Obscured)

75
78
81
75
70
65
62
60
57
46
37
26
28
30
33

Medium Clouds (% Sky Obscured)

88
78
67
56
52
49
50
50
50
33
16
0
0
0
0

High Clouds (% Sky Obscured)

61
31
1
6
13
18
14
9
5
4
3
2
5
7
9

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

4
4
4
4
4
4
4
4
4
4
4
4
4
4
4

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

39
40
40
33
25
11
13
12
11
12
11
6
11
11
9

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
11
12
13
14
15
16
15
13
12
11
11
10
10
9

Chance of Frost

Temperature (°C)

7
8
8
9
9
9
9
9
8
8
7
6
5
4
3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
78
74
69
66
61
57
61
67
71
75
78
82
83
85

Pressure (mb)

1022
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

397
397
398
398
400
401
402
403
404
405
407
409
411
413
415

Forecast for Upton, Cornwall, United Kingdom (50.54,-4.42)

Generated: 18/04/24 10:31:49. Forecast: 18/04/24 to 24/04/24. Timezone: UTC+1.00