Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

Waxing Gibbous 87%

15:33

04:51

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 OK
08 OK
09 Bad
10 Bad
11 Bad

Sun - Rise: 05:58, Set: 19:46, Transit: 12:53. Moon - Rise: 15:33, Set: 04:51. Civil Dark: 20:17 - 05:27. Nautical Dark: 20:55 - 04:48. Astro Dark: 21:36 - 04:07

Total Clouds (% Sky Obscured)

100
100
100
93
55
68
75
88
98
99
100
100
100
100
100
100
100
97
98
42
35
63
83
100

Low Clouds (% Sky Obscured)

0
0
0
4
67
100
88
81
89
71
39
52
84
52
41
55
50
0
5
0
0
52
34
13

Medium Clouds (% Sky Obscured)

63
100
100
92
100
100
62
42
29
6
16
69
100
100
94
98
99
97
99
47
45
43
29
50

High Clouds (% Sky Obscured)

100
100
100
60
0
3
2
11
92
51
100
100
57
83
87
93
60
54
48
15
0
0
0
0

ISS Passover

Visibility (miles)

-
-
-
-
9
7
9
9
9
9
8
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

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
65
72
29
21
11
32
25
9
6
7
5
4
8
2
3
0
0
2
4
31

Precipitation Amount (mm)

0
0
0
0
0.3
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
60
60
60
70
79
76
81
81
80
81
83
71
74
74
68
72
74
71
69
62
50
47
53

Pressure (mb)

1014
1013
1012
1011
1010
1009
1009
1009
1009
1010
1011
1011
1012
1013
1013
1012
1012
1013
1013
1013
1013
1013
1012
1012

Ozone (du)

350
351
351
349
348
349
356
356
355
355
358
360
362
364
366
366
367
370
372
377
384
392
399
402

Saturday 20

Waxing Gibbous 93%

16:36

05:06

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

Sun - Rise: 05:56, Set: 19:47, Transit: 12:52. Moon - Rise: 16:36, Set: 05:06. Civil Dark: 20:18 - 05:25. Nautical Dark: 20:57 - 04:46. Astro Dark: 21:38 - 04:04

Total Clouds (% Sky Obscured)

100
96
98
100
100
82
86
35
10
12
8
17
16
2
2
3
3
3
57
61
86
100
86
88

Low Clouds (% Sky Obscured)

63
87
71
16
59
47
66
42
4
10
6
20
20
1
1
1
1
1
1
4
48
61
51
60

Medium Clouds (% Sky Obscured)

55
50
41
100
100
77
72
10
5
2
0
0
0
0
0
0
0
0
0
47
82
97
59
60

High Clouds (% Sky Obscured)

0
0
0
0
0
1
2
0
0
0
0
0
0
0
0
0
0
0
67
0
1
15
5
0

ISS Passover

Visibility (miles)

8
7
9
4
7
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

35
43
58
52
57
47
22
12
3
0
0
0
0
0
0
0
0
0
1
4
3
2
5
13

Precipitation Amount (mm)

0
0
0.3
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
9
9
9
9
8
6
5
5
4
4
4
4
3
3
2
2
2
2
4
5
5
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
58
56
59
74
64
66
66
67
68
67
64
67
67
69
69
72
73
77
77
72
66
65
60

Pressure (mb)

1011
1010
1010
1010
1009
1009
1010
1010
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013

Ozone (du)

407
408
420
450
471
475
480
483
483
480
478
469
466
470
456
448
447
449
450
452
451
449
451
457

Sunday 21

Waxing Gibbous 97%

17:39

05:21

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 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 OK
10 OK
11 Good

Sun - Rise: 05:55, Set: 19:48, Transit: 12:52. Moon - Rise: 17:39, Set: 05:21. Civil Dark: 20:20 - 05:23. Nautical Dark: 20:58 - 04:44. Astro Dark: 21:40 - 04:02

Total Clouds (% Sky Obscured)

97
100
100
93
90
91
68
89
58
62
63
59
26
38
54
47
55
52
56
58
57
43
23
18

Low Clouds (% Sky Obscured)

71
96
58
58
62
47
55
81
45
39
57
45
5
34
53
49
60
57
61
60
63
57
30
22

Medium Clouds (% Sky Obscured)

65
65
65
50
42
43
29
46
34
46
44
32
7
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

85
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)

9
9
9
9
9
9
9
9
9
9
9
1
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 (%)

11
6
4
4
5
5
10
15
18
8
34
37
8
2
2
1
4
4
4
1
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)

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

Chance of Frost

Temperature (°C)

7
7
7
8
8
8
8
7
6
5
5
3
3
3
3
2
1
0
-1
-1
0
1
2
3

Feels Like (°C)

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

Dew Point (°C)

-2
-3
-3
-3
-3
-3
-2
-2
-3
-2
-3
2
-1
-2
-2
-3
-3
-5
-5
-6
-8
-11
-12
-13

Relative Humidity (%)

53
51
49
47
44
47
52
53
54
58
56
96
77
72
70
73
76
70
71
66
52
41
35
30

Pressure (mb)

1012
1012
1011
1011
1010
1009
1009
1009
1009
1010
1009
1010
1011
1011
1012
1013
1014
1015
1016
1018
1018
1019
1019
1019

Ozone (du)

462
459
454
442
438
439
443
435
435
439
441
441
441
437
433
435
438
440
441
442
439
439
438
435

Monday 22

Waxing Gibbous 99%

18:44

05:38

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

Sun - Rise: 05:53, Set: 19:50, Transit: 12:52. Moon - Rise: 18:44, Set: 05:38. Civil Dark: 20:21 - 05:21. Nautical Dark: 21:00 - 04:43. Astro Dark: 21:42 - 04:00

Total Clouds (% Sky Obscured)

3
0
1
1
1
2
1
6
12
31
9
8
36
40
38
35
32
32
32
41
58
79
100
98

Low Clouds (% Sky Obscured)

4
0
0
0
0
1
0
0
1
1
1
1
25
27
23
22
15
15
10
12
14
3
10
16

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
1
2
5
4
3
5
34
43
46
33
86
100
97

High Clouds (% Sky Obscured)

0
0
0
0
0
1
1
6
13
31
4
4
3
3
12
53
54
20
47
41
51
76
99
69

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
1
0
0
0
0
0
2

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)

10
10
10
11
11
10
8
4
3
3
4
5
5
6
6
6
7
8
9
10
12
12
12
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-12
-11
-9
-9
-9
-8
-7
-4
-5
-6
-5
-6
-5
-5
-4
-4
-4
-4
-3
-2
-1
1
2
2

Relative Humidity (%)

29
29
31
30
31
32
37
49
51
51
56
58
60
63
64
63
64
63
63
64
65
63
61
53

Pressure (mb)

1019
1018
1018
1018
1018
1017
1017
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1016
1016
1015
1015
1015
1014
1013

Ozone (du)

431
431
432
433
433
431
433
435
432
432
429
427
422
418
416
414
415
410
411
412
414
416
419
420

Tuesday 23

Full Moon 100%

19:51

05:57

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
10 Bad
11 Bad

Sun - Rise: 05:51, Set: 19:51, Transit: 12:52. Moon - Rise: 19:51, Set: 05:57. Civil Dark: 20:22 - 05:20. Nautical Dark: 21:01 - 04:41. Astro Dark: 21:44 - 03:58

Total Clouds (% Sky Obscured)

97
95
97
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
93
88
83
91

Low Clouds (% Sky Obscured)

13
20
23
25
31
41
52
64
61
58
57
71
86
100
94
87
82
88
94
100
90
80
69
76

Medium Clouds (% Sky Obscured)

95
91
95
97
100
100
100
100
100
100
100
99
98
97
98
99
100
97
94
91
80
70
60
77

High Clouds (% Sky Obscured)

40
20
57
80
100
100
100
100
100
100
100
100
99
99
69
40
15
15
15
20
20
25
30
45

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Very Light Rain

Precipitation Probability (%)

3
2
16
29
32
44
47
42
57
69
65
66
71
85
80
80
70
74
70
75
89
79
66
63

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0.2
0.2
0.3
0.5
0.4
0.5
0.2
0.3
0.3
0.4
0.5
0.4
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
14
15
14
14
14
13
12
11
11
10
10
10
10
9
6
4
1
1
0
-1
-1
-1
-0

Feels Like (°C)

8
9
9
10
10
9
9
9
8
8
8
7
6
6
5
2
-2
-4
-5
-6
-6
-7
-6
-6

Dew Point (°C)

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

Relative Humidity (%)

48
50
52
56
60
64
71
70
70
72
87
88
84
85
91
88
83
83
86
87
89
89
91
92

Pressure (mb)

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

Ozone (du)

421
422
421
417
414
416
418
415
414
415
414
414
417
418
420
424
421
420
421
418
419
420
421
422

Wednesday 24

Waning Gibbous 98%

21:00

06:21

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 OK
05 OK
06 OK
07 OK
08 OK
09 Good
10 Good
11 OK

Sun - Rise: 05:50, Set: 19:52, Transit: 12:52. Moon - Rise: 21:00, Set: 06:21. Civil Dark: 20:24 - 05:18. Nautical Dark: 21:03 - 04:39. Astro Dark: 21:46 - 03:55

Total Clouds (% Sky Obscured)

95
100
100
100
100
86
72
60
47
40
30
40
45
50
48
42
36
25
15
10
9
8
6
15

Low Clouds (% Sky Obscured)

84
90
94
97
100
81
63
44
34
20
10
10
10
5
5
0
0
0
0
0
0
5
8
18

Medium Clouds (% Sky Obscured)

88
100
100
100
100
83
65
52
43
38
29
24
25
25
20
11
2
1
1
0
0
0
0
7

High Clouds (% Sky Obscured)

50
70
80
90
70
50
20
14
10
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
9
9
7
6
4
4
5
5
5
5
5
5
5
4
6
8
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
Snow
Snow
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

64
68
67
69
71
77
81
81
72
62
52
48
43
35
30
24
11
14
13
9
10
9
3
11

Precipitation Amount (mm)

0.3
0.3
0.3
0.3
0.3
0.4
0.4
0.5
0.3
0.2
0.2
0.1
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
18
18
18
17
17
15
13
14
13
13
12
11
10
10
9
9
8
8
8
7
7
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
88
89
93
94
91
89
86
84
84
83
83
81
81
81
84
84
78
74
70
62
56
51

Pressure (mb)

1015
1014
1014
1014
1014
1014
1014
1015
1015
1016
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1019
1019
1018
1018

Ozone (du)

423
423
423
426
428
430
434
438
441
447
453
459
461
464
466
469
473
476
483
489
496
497
498
499

Thursday 25

Waning Gibbous 95%

22:10

06:50

12 OK
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
10 Bad
11 Bad

Sun - Rise: 05:48, Set: 19:53, Transit: 12:52. Moon - Rise: 22:10, Set: 06:50. Civil Dark: 20:25 - 05:16. Nautical Dark: 21:04 - 04:37. Astro Dark: 21:48 - 03:53

Total Clouds (% Sky Obscured)

36
55
66
67
73
74
74
75
74
80
86
82
79
79
82
88
94
89
87
86
77
69
60
65

Low Clouds (% Sky Obscured)

28
40
45
45
40
40
40
40
40
35
35
35
30
25
15
10
10
10
10
10
10
10
15
15

Medium Clouds (% Sky Obscured)

17
29
34
41
49
58
63
68
78
87
97
82
65
49
42
40
40
41
38
29
20
11
2
3

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
1
1
1
0

ISS Passover

Visibility (miles)

9
9
9
7
6
4
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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

Precipitation Probability (%)

12
6
22
26
30
42
52
55
56
58
58
57
49
31
35
34
25
29
30
26
31
32
31
31

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.2
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

49
48
46
56
69
84
88
93
96
96
96
98
96
98
96
96
98
98
98
98
98
96
94
93

Pressure (mb)

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

Ozone (du)

502
505
507
506
505
503
500
496
492
492
493
493
489
485
481
477
473
469
466
464
461
455
449
444

Forecast for Hemmingford, Montérégie, Canada (45.05,-73.58)

Generated: 19/04/24 16:16:01. Forecast: 19/04/24 to 25/04/24. Timezone: UTC-4.00