Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 23

Waning Gibbous 74%

00:43

09:40

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
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:53, Set: 19:55, Transit: 12:55. Moon - Rise: 00:43, Set: 09:40. Civil Dark: 20:28 - 05:21. Nautical Dark: 21:08 - 04:41. Astro Dark: 21:52 - 03:56

Total Clouds (% Sky Obscured)

95
100
94
91
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
2
4
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

87
100
80
47
45
99
86
100
100
100
91
100
82
22
11
24
63
96
98
98
100
100
99
93

High Clouds (% Sky Obscured)

81
98
84
87
100
100
98
100
98
62
9
15
0
0
0
0
13
7
7
0
0
2
4
48

ISS Passover

Visibility (miles)

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

Precipitation Type

Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

6
11
17
35
25
51
80
82
81
76
74
74
70
68
67
67
64
58
54
53
49
42
34
26

Precipitation Amount (mm)

0.07
0.01
0.14
0.28
0.09
0.25
1.4
1.42
1.64
1.53
1.14
1
0.82
0.64
0.6
0.74
0.76
0.68
0.56
0.44
0.29
0.15
0.08
0.06

Wind Speed/Direction (mph)

5
4
8
11
12
12
13
13
12
10
9
8
6
5
4
4
3
4
6
8
8
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

11
9
6
4
3
2
2
1
1
1
1
1
1
1
1
1
2
1
-0
-1
-1
-1
-1
0

Dew Point (°C)

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

Relative Humidity (%)

47
55
71
87
89
91
93
94
94
94
95
95
96
97
99
100
100
98
96
95
93
91
88
83

Pressure (mb)

1010
1009
1008
1007
1005
1004
1003
1002
1000
999
999
998
998
999
999
999
1000
1001
1002
1003
1004
1004
1005
1006

Ozone (du)

321
322
322
323
323
324
324
325
328
333
338
344
350
356
359
360
361
361
359
358
356
354
353
355

Wednesday 24

Waning Gibbous 65%

01:35

10:32

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 OK
10 Bad
11 OK
12 OK
13 OK
14 OK
15 Bad

Sun - Rise: 05:52, Set: 19:57, Transit: 12:55. Moon - Rise: 01:35, Set: 10:32. Civil Dark: 20:29 - 05:19. Nautical Dark: 21:09 - 04:39. Astro Dark: 21:54 - 03:54

Total Clouds (% Sky Obscured)

100
100
100
100
99
100
100
72
72
92
93
83
84
70
67
65
56
35
66
45
26
26
41
81

Low Clouds (% Sky Obscured)

100
100
100
100
99
100
100
65
33
59
65
75
74
66
67
64
54
35
48
6
0
0
0
0

Medium Clouds (% Sky Obscured)

86
82
17
0
3
2
0
0
0
0
0
0
0
0
0
0
0
0
10
0
0
19
8
0

High Clouds (% Sky Obscured)

53
13
0
0
0
0
0
23
59
82
80
34
38
12
0
2
5
0
31
41
26
10
37
81

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
9
9
9
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

Very Light Rain
Very Light Rain
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 (%)

22
19
20
18
10
5
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.06
0.05
0.04
0.02
0.01
0.01
0
0
0
0
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

5
5
4
3
2
1
1
0
-0
-1
-1
-1
-1
-2
-1
-0
1
3
4
6
8
9
10
11

Feels Like (°C)

1
2
1
0
-1
-2
-2
-3
-3
-3
-3
-3
-3
-3
-1
-0
1
3
4
6
7
8
10
11

Dew Point (°C)

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

Relative Humidity (%)

79
77
79
83
87
89
91
92
90
88
86
86
87
89
90
89
85
79
70
65
59
56
53
51

Pressure (mb)

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

Ozone (du)

358
360
359
357
354
353
352
350
348
345
342
340
339
338
337
336
336
336
337
338
338
339
339
338

Thursday 25

Waning Gibbous 55%

02:20

11:29

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

Sun - Rise: 05:50, Set: 19:58, Transit: 12:55. Moon - Rise: 02:20, Set: 11:29. Civil Dark: 20:31 - 05:17. Nautical Dark: 21:11 - 04:37. Astro Dark: 21:56 - 03:51

Total Clouds (% Sky Obscured)

75
53
91
94
91
32
27
20
18
98
100
100
98
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
2
5
6
3
0
0
0
3
2
0
0
0
0
0
0
0
0
0
0
81
7
100
100

Medium Clouds (% Sky Obscured)

3
10
13
38
22
31
27
19
7
1
0
0
3
56
98
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

74
48
91
91
88
2
0
1
13
98
100
100
98
99
99
100
100
100
100
100
100
100
100
100

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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
1
1
2
2
2
3
2
2
1
1
1
2
3
3
5
5
7
8
8
9
12
17

Precipitation Amount (mm)

0
0
0.01
0.02
0.04
0.04
0.03
0.03
0.02
0.01
0.02
0.02
0.01
0.01
0.01
0.01
0.01
0.01
0.02
0.03
0.04
0.07
0.12
0.19

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
11
10
8
7
6
5
4
4
4
4
3
3
3
3
4
4
6
8
10
11
12
13
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

51
54
59
68
75
79
82
84
85
85
85
86
88
89
90
88
85
80
74
69
65
61
59
60

Pressure (mb)

1010
1009
1009
1009
1010
1010
1010
1010
1010
1010
1009
1009
1008
1008
1008
1008
1007
1007
1006
1005
1004
1003
1002
1002

Ozone (du)

337
337
337
337
337
337
337
337
336
335
334
335
336
336
337
337
338
339
341
342
343
344
345
347

Friday 26

Third Quarter 45%

02:58

12:28

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
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:48, Set: 19:59, Transit: 12:54. Moon - Rise: 02:58, Set: 12:28. Civil Dark: 20:32 - 05:15. Nautical Dark: 21:13 - 04:35. Astro Dark: 21:58 - 03:49

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

100
100
100
100
75
75
75
75
75
75
94
94
94
94
94
94
7
7
7
7
7
7
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
0
0
0
0
0
0
94
94

ISS Passover

Visibility (miles)

10
10
10
9
7
7
7
8
8
8
8
2
2
2
2
2
3
5
7
9
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

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

Precipitation Probability (%)

25
34
44
50
52
66
71
65
52
44
39
55
55
55
54
47
39
34
28
22
14
9
7
6

Precipitation Amount (mm)

0.27
0.35
0.38
0.41
0.44
0.57
0.52
0.49
0.42
0.35
0.32
0.53
0.64
0.71
0.66
0.56
0.49
0.44
0.41
0.34
0.22
0.1
0.04
0.03

Wind Speed/Direction (mph)

5
5
5
5
5
4
4
5
6
5
6
4
5
6
8
11
13
14
14
15
15
15
15
15

Chance of Frost

Temperature (°C)

12
11
10
8
7
5
4
4
3
3
3
3
3
3
2
1
1
1
1
2
3
5
6
5

Feels Like (°C)

12
11
8
7
6
4
3
1
1
1
0
2
1
-0
-1
-3
-4
-4
-4
-4
-2
0
1
1

Dew Point (°C)

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

Relative Humidity (%)

63
68
73
79
83
94
95
96
95
94
93
93
92
91
89
86
83
79
75
70
60
52
47
47

Pressure (mb)

1001
1001
1000
1000
1000
1000
1000
999
999
998
997
995
995
995
996
997
998
999
999
1000
1000
1000
1001
1001

Ozone (du)

349
351
352
353
355
359
365
371
377
383
387
391
395
398
400
403
405
407
409
411
416
421
421
413

Saturday 27

Waning Crescent 35%

03:30

13:29

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
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:47, Set: 20:01, Transit: 12:54. Moon - Rise: 03:30, Set: 13:29. Civil Dark: 20:34 - 05:14. Nautical Dark: 21:14 - 04:33. Astro Dark: 22:00 - 03:47

Total Clouds (% Sky Obscured)

100
100
100
100
98
98
98
98
98
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
98
98
98
98
98
98
38
38
38
38
38
38
87
87
87
87
87
87
0
0

Medium Clouds (% Sky Obscured)

100
100
100
100
0
0
0
0
0
0
1
1
1
1
1
1
66
66
66
66
66
66
99
99

High Clouds (% Sky Obscured)

94
94
94
94
0
0
0
0
0
0
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
8
5
3
2
1
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

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

Precipitation Probability (%)

5
6
7
8
8
6
4
3
2
2
2
2
2
2
2
3
5
5
5
6
12
25
35
44

Precipitation Amount (mm)

0.03
0.03
0.03
0.03
0.03
0.03
0.02
0.02
0.02
0.02
0.02
0.02
0.02
0.01
0.02
0.02
0.02
0.02
0.02
0.04
0.11
0.24
0.41
0.6

Wind Speed/Direction (mph)

15
15
14
13
11
11
11
11
11
10
10
9
8
7
6
5
5
6
6
7
7
8
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-6
-6
-6
-6
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-6
-6
-5
-4
-4

Relative Humidity (%)

49
52
55
58
59
61
62
64
66
67
68
69
70
71
69
65
61
57
53
52
54
59
65
71

Pressure (mb)

1002
1003
1004
1004
1005
1006
1006
1007
1007
1007
1008
1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1006
1006
1005

Ozone (du)

400
390
386
384
383
382
382
381
380
378
377
376
376
375
375
374
373
372
371
371
373
376
380
382

Sunday 28

Waning Crescent 26%

03:57

14:30

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

Sun - Rise: 05:45, Set: 20:02, Transit: 12:54. Moon - Rise: 03:57, Set: 14:30. Civil Dark: 20:35 - 05:12. Nautical Dark: 21:16 - 04:31. Astro Dark: 22:02 - 03:44

Total Clouds (% Sky Obscured)

100
100
100
100
0
0
0
0
0
0
0
0
0
0
0
0
99
99
99
99
99
99
89
89

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)

99
99
99
99
0
0
0
0
0
0
0
0
0
0
0
0
98
98
98
98
98
98
37
37

High Clouds (% Sky Obscured)

100
100
100
100
0
0
0
0
0
0
0
0
0
0
0
0
90
90
90
90
90
90
88
88

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

48
49
46
40
31
29
29
26
22
17
12
10
9
6
4
4
4
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.81
0.88
0.66
0.35
0.21
0.23
0.35
0.42
0.38
0.28
0.2
0.13
0.08
0.04
0.02
0.01
0.01
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
11
11
11
11
12
13
13
14
14
14
14
14
14
14
14
14
14
15
15
15
15
15
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
76
77
76
75
75
75
75
75
74
74
73
72
70
66
62
58
55
54
52
50
47
44
42

Pressure (mb)

1005
1005
1006
1006
1007
1008
1008
1009
1010
1011
1012
1013
1014
1015
1017
1018
1019
1019
1019
1020
1020
1020
1020
1021

Ozone (du)

384
387
388
390
392
395
399
401
402
402
403
405
408
412
418
425
431
437
442
445
447
447
448
450

Monday 29

Waning Crescent 18%

04:22

15:32

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
12 Bad
13 Bad
14 Bad
15 Bad

Sun - Rise: 05:44, Set: 20:03, Transit: 12:54. Moon - Rise: 04:22, Set: 15:32. Civil Dark: 20:36 - 05:10. Nautical Dark: 21:18 - 04:29. Astro Dark: 22:04 - 03:42

Total Clouds (% Sky Obscured)

89
89
89
89
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
92
92

Low Clouds (% Sky Obscured)

0
0
0
0
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
92
92

Medium Clouds (% Sky Obscured)

37
37
37
37
100
100
100
100
100
100
70
70
70
70
70
70
4
4
4
4
4
4
80
80

High Clouds (% Sky Obscured)

88
88
88
88
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
2
2
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

40
41
44
49
50
52
53
55
56
57
57
59
61
61
58
54
50
47
45
43
41
38
36
37

Pressure (mb)

1021
1022
1022
1023
1024
1025
1026
1026
1027
1027
1028
1028
1029
1029
1030
1030
1030
1030
1030
1030
1030
1029
1028
1028

Ozone (du)

453
455
458
461
463
464
464
463
459
454
449
442
434
428
424
421
418
414
410
406
403
401
398
392

Forecast for Saint-Donat-de-Montcalm, Matawinie Regional County Municipality, CA (46.28,-74.36)

Generated: 23/04/19 16:35:20. Forecast: 23/04/19 to 29/04/19. Timezone: UTC-4.00