Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 19

Waxing Gibbous 87%

15:21

04:40

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:46, Set: 19:35, Transit: 12:42. Moon - Rise: 15:21, Set: 04:40. Civil Dark: 20:07 - 05:14. Nautical Dark: 20:45 - 04:36. Astro Dark: 21:27 - 03:54

Total Clouds (% Sky Obscured)

92
100
88
77
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

83
100
83
58
53
53
45
12
0
14
40
76
47
50
49
86
100
100
100
77
69
37
40
64

Medium Clouds (% Sky Obscured)

23
28
32
34
30
23
31
100
100
100
100
79
67
5
31
46
46
94
98
100
100
98
100
84

High Clouds (% Sky Obscured)

47
50
32
50
56
100
100
100
100
100
99
65
100
100
100
100
100
100
100
100
100
100
100
70

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
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
1
14
20
41
22
15
4
0
6
12
33
49
39
16
7
9
14

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
62
65
67
58
53
55
57
62
72
75
78
83
83
85
85
85
84
85
91
76
71
71
64

Pressure (mb)

1020
1020
1019
1018
1017
1016
1015
1014
1014
1013
1013
1013
1013
1013
1012
1012
1012
1011
1011
1011
1012
1013
1013
1013

Ozone (du)

367
355
354
353
350
349
353
353
352
351
351
350
351
353
354
354
355
357
361
363
365
370
371
372

Saturday 20

Waxing Gibbous 93%

16:24

04:55

09 Bad
10 Bad
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

Sun - Rise: 05:44, Set: 19:37, Transit: 12:41. Moon - Rise: 16:24, Set: 04:55. Civil Dark: 20:08 - 05:13. Nautical Dark: 20:47 - 04:34. Astro Dark: 21:29 - 03:51

Total Clouds (% Sky Obscured)

98
91
43
99
94
100
88
83
70
100
100
82
70
78
85
72
64
52
54
65
65
77
91
99

Low Clouds (% Sky Obscured)

26
6
40
97
64
75
85
48
53
80
89
70
68
80
81
75
64
52
54
65
65
75
91
98

Medium Clouds (% Sky Obscured)

58
44
17
23
35
45
55
83
75
100
100
66
48
8
6
0
0
0
0
0
10
3
36
3

High Clouds (% Sky Obscured)

62
16
0
0
0
0
0
0
0
0
0
0
0
9
0
0
0
0
0
1
4
1
1
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
2
1
0
3
8
9
9
9
9
9
9
9
9
9
9
9
1
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
None
None
None
None
Sleet
None
Very Light Rain
Snow
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

8
8
0
0
3
15
30
51
43
51
81
43
44
27
0
1
0
0
0
0
1
14
22
25

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.7
0
0.3
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

5
6
7
9
9
8
8
7
6
5
4
3
2
2
1
1
1
1
0
0
0
-0
-1
0

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

50
46
42
39
41
46
59
81
94
90
94
89
91
91
89
93
91
91
92
94
94
91
91
92

Pressure (mb)

1012
1011
1011
1010
1009
1008
1008
1008
1008
1008
1009
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1012
1012

Ozone (du)

374
376
380
386
397
406
408
409
424
456
467
471
474
477
476
468
464
459
457
456
455
455
456
456

Sunday 21

Waxing Gibbous 97%

17:28

05:10

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

Sun - Rise: 05:43, Set: 19:38, Transit: 12:41. Moon - Rise: 17:28, Set: 05:10. Civil Dark: 20:10 - 05:11. Nautical Dark: 20:49 - 04:32. Astro Dark: 21:31 - 03:49

Total Clouds (% Sky Obscured)

100
94
100
100
100
96
85
77
78
72
53
42
9
62
67
63
73
70
69
69
76
84
91
81

Low Clouds (% Sky Obscured)

100
94
100
100
100
96
84
77
78
72
49
40
9
50
55
58
71
70
69
69
76
83
91
81

Medium Clouds (% Sky Obscured)

4
2
0
0
0
0
0
2
3
3
2
1
0
14
13
3
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)

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

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
Snow
Snow
None
None
Snow
None
None
None

Precipitation Probability (%)

31
32
31
26
25
24
24
23
17
5
1
2
7
12
4
29
55
39
12
18
31
28
31
25

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.1
0
0
0.1
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
86
86
79
73
66
62
68
61
69
70
74
72
69
76
73
86
96
89
87
96
89
84
76

Pressure (mb)

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

Ozone (du)

455
461
464
465
463
460
454
449
443
442
438
435
434
433
431
434
435
437
439
440
442
442
445
446

Monday 22

Waxing Gibbous 99%

18:33

05:26

09 Bad
10 Bad
11 Bad
12 Bad
13 OK
14 OK
15 OK
16 OK
17 OK
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

Sun - Rise: 05:41, Set: 19:39, Transit: 12:41. Moon - Rise: 18:33, Set: 05:26. Civil Dark: 20:11 - 05:09. Nautical Dark: 20:50 - 04:30. Astro Dark: 21:33 - 03:47

Total Clouds (% Sky Obscured)

72
63
44
40
36
35
38
36
26
10
1
0
0
0
0
0
0
0
2
2
6
11
27
48

Low Clouds (% Sky Obscured)

71
60
50
40
30
27
23
20
13
7
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
4
3
4
5
6
26

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
1
3
5
20
30

ISS Passover

Visibility (miles)

4
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 (%)

17
5
7
6
2
1
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)

13
14
14
14
14
13
13
12
12
9
8
5
4
3
3
3
3
3
4
4
4
5
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-7
-9
-11
-12
-11
-11
-11
-10
-9
-8
-8
-7
-6
-6
-6
-6
-7
-7
-6
-7
-7
-6
-6
-6

Relative Humidity (%)

67
52
44
38
37
36
36
37
38
45
48
61
67
70
71
74
72
73
74
71
69
67
56
48

Pressure (mb)

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

Ozone (du)

444
440
439
438
432
428
426
429
431
433
433
431
429
424
420
417
419
421
425
426
427
427
428
426

Tuesday 23

Full Moon 100%

19:40

05:45

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:39, Set: 19:41, Transit: 12:41. Moon - Rise: 19:40, Set: 05:45. Civil Dark: 20:12 - 05:07. Nautical Dark: 20:52 - 04:28. Astro Dark: 21:35 - 03:44

Total Clouds (% Sky Obscured)

75
100
93
86
79
86
93
100
97
94
91
95
97
100
100
100
100
100
99
98
98
98
98
98

Low Clouds (% Sky Obscured)

0
0
15
31
46
51
56
61
62
63
64
62
60
60
67
71
76
75
74
73
79
85
91
94

Medium Clouds (% Sky Obscured)

51
79
92
87
81
48
56
37
38
75
90
93
96
100
100
100
100
91
83
76
83
90
95
89

High Clouds (% Sky Obscured)

77
99
75
40
8
30
51
71
88
76
66
79
89
100
100
100
100
68
35
3
2
1
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
6
3
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Snow
Snow

Precipitation Probability (%)

0
0
0
3
3
0
0
3
7
8
12
30
43
54
53
46
35
39
42
43
55
59
63
70

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
8
10
11
12
12
13
13
12
11
9
8
7
6
5
6
6
6
6
5
5
3
2
0

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

44
44
43
43
45
48
47
52
62
61
68
75
75
75
76
76
75
75
80
83
90
89
93
94

Pressure (mb)

1019
1018
1017
1016
1015
1014
1014
1013
1013
1013
1013
1014
1014
1014
1014
1014
1013
1013
1013
1012
1012
1013
1014
1014

Ozone (du)

426
423
423
424
428
432
435
432
425
418
412
410
409
409
409
411
413
415
417
419
421
422
423
424

Wednesday 24

Waning Gibbous 99%

20:49

06:08

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:38, Set: 19:42, Transit: 12:41. Moon - Rise: 20:49, Set: 06:08. Civil Dark: 20:14 - 05:06. Nautical Dark: 20:53 - 04:26. Astro Dark: 21:37 - 03:42

Total Clouds (% Sky Obscured)

99
100
85
70
58
67
78
88
92
96
100
94
88
84
86
89
95
98
94
89
84
91
95
95

Low Clouds (% Sky Obscured)

97
100
83
66
50
59
70
83
89
95
100
91
85
77
79
82
82
67
54
42
35
41
40
45

Medium Clouds (% Sky Obscured)

83
78
63
41
5
0
0
0
12
23
37
31
32
26
21
14
2
27
54
80
66
52
38
25

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

73
73
78
82
84
80
76
70
67
63
58
59
58
55
53
50
43
61
77
86
83
79
72
56

Precipitation Amount (mm)

0.4
0.4
0.4
0.4
0.4
0.4
0.4
0.3
0.3
0.3
0.2
0.3
0.3
0.2
0.2
0.1
0
0.2
0.5
0.6
0.5
0.5
0.4
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-5
-5
-4
-4
-4
-3
-4
-4
-3
-4
-3
-2
-2
-2
-2
-3
-3
-7
-7
-7
-7
-7
-7

Dew Point (°C)

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

Relative Humidity (%)

94
96
98
96
96
96
96
96
96
96
98
98
98
98
98
96
96
96
96
96
96
94
94
94

Pressure (mb)

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

Ozone (du)

423
422
421
422
422
423
422
421
421
424
427
430
431
432
433
436
438
441
444
447
451
457
463
469

Thursday 25

Waning Gibbous 95%

22:01

06:37

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
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:36, Set: 19:43, Transit: 12:40. Moon - Rise: 22:01, Set: 06:37. Civil Dark: 20:15 - 05:04. Nautical Dark: 20:55 - 04:24. Astro Dark: 21:39 - 03:40

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
95
83
72
64
64
67
66
71
69
66

Low Clouds (% Sky Obscured)

70
75
75
80
80
75
70
65
50
36
25
23
25
26
30
37
40

Medium Clouds (% Sky Obscured)

13
0
0
0
0
0
0
0
0
1
1
2
2
4
3
2
0

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

41
30
23
19
16
17
17
17
16
13
4
11
11
3
23
29
32

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

12
12
13
13
13
13
13
13
12
10
8
7
6
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
83
78
75
76
73
74
74
74
81
87
92
92
94
94
96
94

Pressure (mb)

1021
1020
1020
1019
1019
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

471
473
475
478
482
485
488
491
495
497
499
501
497
494
491
487
482

Forecast for Piopolis, Estrie, Canada (45.48,-70.81)

Generated: 19/04/24 09:53:59. Forecast: 19/04/24 to 25/04/24. Timezone: UTC-4.00