Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

Waxing Gibbous 84%

17:09

05:20

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

Sun - Rise: 06:32, Set: 20:14, Transit: 13:23. Moon - Rise: 17:09, Set: 05:20. Civil Dark: 20:44 - 06:02. Nautical Dark: 21:21 - 05:26. Astro Dark: 22:00 - 04:46

Total Clouds (% Sky Obscured)

82
87
86
85
48
53
57
45
28
52
71
83
100
100
100
74
97
100
86
82
78
100
91
91

Low Clouds (% Sky Obscured)

5
0
0
23
0
28
48
58
44
69
79
70
70
53
100
56
58
87
63
61
66
77
74
68

Medium Clouds (% Sky Obscured)

80
82
83
78
41
47
60
44
0
20
31
1
92
60
60
0
51
60
29
10
17
54
51
42

High Clouds (% Sky Obscured)

93
95
56
23
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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 (%)

0
0
0
0
1
2
3
1
2
10
15
18
9
5
2
0
0
2
3
5
2
10
12
8

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
4
5
9
9
9
10
12
11
10
16
16
17
17
17
17
15
15
16
14
11
7
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

53
52
53
53
57
63
62
59
60
61
56
53
49
45
43
45
45
43
44
46
51
57
58
61

Pressure (mb)

1017
1016
1016
1016
1016
1016
1016
1016
1017
1017
1018
1018
1018
1018
1018
1019
1018
1018
1018
1019
1019
1019
1019
1019

Ozone (du)

364
366
370
375
380
390
398
399
403
408
421
432
439
439
425
427
428
430
428
422
410
404
403
404

Saturday 20

Waxing Gibbous 93%

18:11

05:37

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

Sun - Rise: 06:31, Set: 20:15, Transit: 13:23. Moon - Rise: 18:11, Set: 05:37. Civil Dark: 20:45 - 06:01. Nautical Dark: 21:22 - 05:24. Astro Dark: 22:01 - 04:44

Total Clouds (% Sky Obscured)

91
82
69
53
43
41
52
57
67
77
32
42
49
42
28
60
61
68
84
86
83
89
50
2

Low Clouds (% Sky Obscured)

71
78
70
67
64
63
77
81
69
58
32
62
64
54
39
47
35
12
83
84
8
23
3
0

Medium Clouds (% Sky Obscured)

48
54
56
47
40
1
1
10
14
11
0
0
39
0
0
48
52
35
42
56
58
53
31
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
50
15
0
0
0
0
0
0
0
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 (%)

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 (%)

10
13
18
8
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
68
73
76
77
77
80
83
81
72
62
57
52
42
38
38
39
40
40
44
49
55
62
67

Pressure (mb)

1019
1019
1019
1019
1018
1019
1019
1019
1019
1019
1019
1019
1018
1018
1018
1017
1016
1016
1015
1015
1015
1016
1017
1018

Ozone (du)

405
408
408
404
402
404
409
417
427
435
440
443
451
448
440
437
434
435
437
443
443
443
439
438

Sunday 21

Waxing Gibbous 97%

19:13

05:54

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

Sun - Rise: 06:29, Set: 20:16, Transit: 13:23. Moon - Rise: 19:13, Set: 05:54. Civil Dark: 20:46 - 05:59. Nautical Dark: 21:23 - 05:22. Astro Dark: 22:03 - 04:42

Total Clouds (% Sky Obscured)

2
29
36
30
32
32
11
9
8
2
2
4
12
21
40
81
69
90
99
96
100
82
66
50

Low Clouds (% Sky Obscured)

0
8
28
37
39
28
5
0
1
0
0
0
0
1
36
74
49
57
14
14
8
1
0
1

Medium Clouds (% Sky Obscured)

0
17
20
0
0
0
0
0
0
0
0
0
6
12
0
33
29
36
52
69
90
82
64
51

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
2
2
3
3
2
55
90
85
98
79
60
45

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

Chance of Frost

Temperature (°C)

4
3
3
2
2
2
1
1
1
3
5
7
9
10
12
13
13
14
13
13
11
10
9
9

Feels Like (°C)

3
2
2
1
1
1
-1
-0
-1
2
3
4
5
7
8
8
9
8
8
8
7
5
4
4

Dew Point (°C)

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

Relative Humidity (%)

73
77
80
80
81
80
78
81
80
72
62
58
56
53
47
45
43
44
45
50
57
62
63
61

Pressure (mb)

1018
1019
1019
1019
1019
1020
1020
1020
1021
1021
1021
1021
1021
1020
1019
1019
1018
1018
1017
1017
1016
1016
1016
1016

Ozone (du)

437
437
432
426
421
417
416
415
413
414
414
417
416
414
411
412
411
411
410
413
413
413
412
413

Monday 22

Waxing Gibbous 99%

No Rise

06:12

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 06:28, Set: 20:17, Transit: 13:23. Moon - Rise: No Rise, Set: 06:12. Civil Dark: 20:48 - 05:57. Nautical Dark: 21:25 - 05:20. Astro Dark: 22:05 - 04:40

Total Clouds (% Sky Obscured)

69
78
99
99
99
98
100
100
100
100
100
100
100
100
100
98
95
93
95
98
100
100
100
100

Low Clouds (% Sky Obscured)

3
6
9
22
32
44
39
35
29
47
65
84
89
93
97
91
85
81
72
65
57
71
84
100

Medium Clouds (% Sky Obscured)

39
27
74
72
91
92
99
82
100
100
100
100
100
100
100
94
89
79
83
23
40
56
48
93

High Clouds (% Sky Obscured)

63
69
98
84
67
38
68
66
75
83
92
100
100
100
100
88
77
55
67
83
75
37
21
40

ISS Passover

Visibility (miles)

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

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
6
37
83
95
95
75
88
95
95
95
84
57
48
47
60
62
86
70

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.5
0.8
0.8
0.4
0.5
0.9
0.8
1.3
0.3
0
0
0
0.3
0.2
0.5
0.3

Wind Speed/Direction (mph)

10
10
9
9
11
10
12
12
14
15
16
18
19
18
17
17
17
16
15
14
13
12
12
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
3
3
4
3
4
4
4
5
6
6
6
6
7
7
7
8
8
9
9
9
9
8
7

Relative Humidity (%)

62
67
74
73
71
71
79
79
78
88
88
91
90
91
93
93
95
93
93
95
91
93
90
90

Pressure (mb)

1016
1016
1015
1015
1014
1013
1013
1012
1011
1011
1010
1009
1009
1008
1007
1007
1007
1007
1006
1006
1006
1006
1007
1008

Ozone (du)

413
413
411
409
409
408
408
408
410
410
409
408
407
407
409
410
412
413
416
425
433
437
434
431

Tuesday 23

Full Moon 100%

No Rise

06:33

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 06:26, Set: 20:19, Transit: 13:22. Moon - Rise: No Rise, Set: 06:33. Civil Dark: 20:49 - 05:56. Nautical Dark: 21:26 - 05:19. Astro Dark: 22:06 - 04:38

Total Clouds (% Sky Obscured)

97
93
90
81
74
69
67
57
58
50
50
45
45
45
45
57
49
45
55
70
75
89
89
95

Low Clouds (% Sky Obscured)

95
90
86
74
62
51
44
39
37
30
22
15
10
15
20
32
19
5
5
10
15
20
24
33

Medium Clouds (% Sky Obscured)

84
75
1
5
1
3
0
0
0
0
0
0
0
0
0
4
8
11
24
41
55
36
21
5

High Clouds (% Sky Obscured)

45
50
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
34
56

ISS Passover

Visibility (miles)

9
9
9
9
8
4
4
1
1
2
2
9
9
9
9
8
7
5
3
3
3
3
2
1

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

Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Snow
None
Snow
Snow

Precipitation Probability (%)

58
51
35
22
23
16
17
17
21
17
13
3
6
6
6
13
15
14
25
31
37
37
40
45

Precipitation Amount (mm)

0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0
0.1
0.1

Wind Speed/Direction (mph)

17
18
20
20
19
19
18
17
16
15
15
15
14
13
11
11
14
14
14
12
11
10
9
8

Chance of Frost

Temperature (°C)

8
7
6
2
0
-1
-2
-3
-4
-4
-3
-3
-2
-2
-1
-0
-1
-0
0
-1
-1
-2
-2
-1

Feels Like (°C)

6
4
0
-6
-7
-9
-10
-11
-12
-12
-12
-12
-12
-11
-10
-10
-10
-10
-9
-10
-9
-10
-10
-10

Dew Point (°C)

7
6
5
1
-1
-3
-4
-5
-6
-7
-7
-11
-12
-12
-10
-10
-9
-8
-7
-6
-5
-4
-4
-3

Relative Humidity (%)

96
94
93
93
91
89
87
87
84
81
73
53
46
46
51
49
52
54
58
66
74
83
86
91

Pressure (mb)

1008
1009
1011
1013
1014
1016
1018
1020
1021
1023
1024
1025
1026
1026
1026
1026
1027
1027
1026
1026
1026
1027
1026
1026

Ozone (du)

432
438
444
446
446
436
438
439
443
446
450
457
465
478
484
485
488
490
493
492
492
491
489
487

Wednesday 24

Waning Gibbous 98%

No Rise

06:59

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
15 Bad
16 Bad
17 Bad
18 OK
19 OK
20 OK
21 OK
22 OK

Sun - Rise: 06:25, Set: 20:20, Transit: 13:22. Moon - Rise: No Rise, Set: 06:59. Civil Dark: 20:50 - 05:54. Nautical Dark: 21:28 - 05:17. Astro Dark: 22:08 - 04:36

Total Clouds (% Sky Obscured)

97
98
100
100
100
99
94
88
81
86
91
96
92
88
85
75
67
60
52
43
31
30
28
27

Low Clouds (% Sky Obscured)

48
54
50
50
50
49
39
30
22
18
17
19
17
24
30
23
16
9
5
2
0
0
0
0

Medium Clouds (% Sky Obscured)

3
2
0
18
37
55
47
44
33
31
33
30
35
30
35
31
27
17
14
14
14
15
17
19

High Clouds (% Sky Obscured)

76
78
80
85
85
80
70
70
70
60
45
25
17
7
0
6
12
23
24
15
0
1
3
4

ISS Passover

Visibility (miles)

0
0
0
0
3
6
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

Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

47
47
47
45
37
20
19
14
2
4
4
1
5
5
1
1
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.2
0.2
0.1
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)

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

Chance of Frost

Temperature (°C)

-1
-1
-1
-1
-2
-2
-2
-1
-1
-1
0
1
2
4
5
6
6
7
7
6
5
4
3
3

Feels Like (°C)

-9
-9
-9
-9
-9
-9
-9
-9
-8
-8
-7
-6
-5
-5
-5
-4
0
0
0
1
1
2
-1
-0

Dew Point (°C)

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

Relative Humidity (%)

92
92
91
91
89
86
86
83
83
81
78
74
72
68
66
61
58
55
51
57
61
68
69
70

Pressure (mb)

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

Ozone (du)

485
483
481
479
478
477
476
475
473
471
466
460
455
450
446
441
441
440
440
438
436
435
435
436

Thursday 25

Waning Gibbous 95%

No Rise

07:30

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

Sun - Rise: 06:23, Set: 20:21, Transit: 13:22. Moon - Rise: No Rise, Set: 07:30. Civil Dark: 20:52 - 05:53. Nautical Dark: 21:29 - 05:15. Astro Dark: 22:10 - 04:34

Total Clouds (% Sky Obscured)

41
59
77
58
41
28
30
26
24
33
42
53
53
52
47
56
64
74
83
91
100

Low Clouds (% Sky Obscured)

1
2
3
2
2
1
7
12
18
14
10
8
16
25
36
45
55
63
76
88
100

Medium Clouds (% Sky Obscured)

40
58
76
57
38
20
19
18
14
15
14
14
11
7
2
2
1
0
13
28
39

High Clouds (% Sky Obscured)

2
1
0
0
0
0
0
0
0
6
16
27
27
25
23
33
43
52
59
68
73

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

Fog (%)

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

Precipitation Probability (%)

0
0
0
1
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

2
2
2
2
2
1
1
2
3
3
5
7
9
10
11
12
13
13
13
11
10

Feels Like (°C)

1
0
-1
-1
-2
-2
-2
-2
-2
-3
2
3
4
5
6
7
11
10
10
10
11

Dew Point (°C)

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

Relative Humidity (%)

72
73
74
76
80
83
88
81
77
73
65
56
51
49
48
46
46
46
46
52
62

Pressure (mb)

1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1021
1020
1020
1019
1019
1018
1019
1019

Ozone (du)

437
439
440
441
433
425
417
414
411
408
404
400
396
394
392
390
388
385
383
382
382

Forecast for London, Canada (42.98,-81.24)

Generated: 19/04/24 23:11:48. Forecast: 19/04/24 to 25/04/24. Timezone: UTC-4.00