Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 23

Waning Gibbous 74%

00:41

09:36

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: 05:50, Set: 19:53, Transit: 12:52. Moon - Rise: 00:41, Set: 09:36. Civil Dark: 20:26 - 05:17. Nautical Dark: 21:06 - 04:37. Astro Dark: 21:50 - 03:52

Total Clouds (% Sky Obscured)

100
97
100
95
96
100
100
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
1
2
2
8
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

99
82
100
91
62
48
94
98
97
100
100
88
100
100
75
67
61
72
84
78
80
81
91
98

High Clouds (% Sky Obscured)

99
95
98
82
92
100
100
100
100
91
90
30
0
18
37
13
7
14
5
1
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Type

None
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
Light Rain
Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

5
9
17
20
44
44
64
74
82
82
81
79
73
62
64
64
61
54
50
49
50
52
51
46

Precipitation Amount (mm)

0.06
0.09
0.14
0.12
0.3
0.27
0.55
0.81
1.59
2.2
2.28
1.88
1.06
0.65
0.59
0.73
0.82
0.7
0.55
0.46
0.43
0.41
0.37
0.28

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

37
43
68
90
94
95
96
96
97
96
96
97
97
99
100
100
100
100
100
100
100
99
97
93

Pressure (mb)

1013
1012
1010
1008
1007
1006
1005
1004
1002
1001
1000
999
999
999
1000
1000
1000
1001
1002
1003
1003
1004
1005
1005

Ozone (du)

318
319
321
324
325
324
323
322
323
324
328
334
342
349
354
359
361
362
360
359
359
358
357
354

Wednesday 24

Waning Gibbous 65%

01:33

10:29

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

Sun - Rise: 05:48, Set: 19:55, Transit: 12:52. Moon - Rise: 01:33, Set: 10:29. Civil Dark: 20:27 - 05:16. Nautical Dark: 21:08 - 04:35. Astro Dark: 21:53 - 03:50

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
94
52
6
22
76
98
99
97
90
74
59
37
31
58
53
1
38
9

Low Clouds (% Sky Obscured)

100
100
100
100
100
99
94
52
5
10
59
95
98
96
88
74
59
37
28
54
31
0
0
0

Medium Clouds (% Sky Obscured)

98
98
98
98
91
52
16
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
25
0

High Clouds (% Sky Obscured)

0
32
81
10
0
0
0
0
1
13
48
67
58
16
13
0
0
0
4
10
35
1
17
9

ISS Passover

Visibility (miles)

9
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

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 (%)

38
28
22
16
10
4
3
3
2
2
2
2
3
3
2
2
3
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.19
0.12
0.07
0.03
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
88
88
90
92
93
94
93
93
92
91
91
91
92
93
92
90
85
81
77
72
67
62
60

Pressure (mb)

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

Ozone (du)

351
350
352
356
358
357
355
352
350
348
345
343
341
340
339
338
338
338
338
339
340
340
341
340

Thursday 25

Waning Gibbous 55%

02:18

11:25

16 OK
17 OK
18 Bad
19 Bad
20 Bad
21 OK
22 Bad
23 Bad
00 OK
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: 19:56, Transit: 12:52. Moon - Rise: 02:18, Set: 11:25. Civil Dark: 20:29 - 05:14. Nautical Dark: 21:09 - 04:33. Astro Dark: 21:55 - 03:47

Total Clouds (% Sky Obscured)

31
21
88
91
95
31
45
47
35
78
100
98
98
97
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

1
6
6
16
37
2
0
0
0
2
9
2
1
1
0
0
0
0
0
0
98
98
100
100

Medium Clouds (% Sky Obscured)

1
4
6
29
48
7
45
41
30
26
16
2
0
13
94
97
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

31
17
87
88
91
25
0
14
11
72
100
98
98
97
100
99
100
100
100
100
99
100
100
100

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
9
8
8
9
10
10
10
10
10
9
9
9
9
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
2
3
5
5
5
5
4
4
4
5
7
9
8
8
9
10
11
15
26

Precipitation Amount (mm)

0
0
0
0
0
0.02
0.06
0.09
0.09
0.07
0.05
0.05
0.05
0.06
0.05
0.04
0.03
0.02
0.03
0.05
0.07
0.12
0.18
0.29

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
62
68
78
84
87
89
90
91
91
91
91
93
94
93
91
88
84
79
75
69
67
66
69

Pressure (mb)

1010
1010
1010
1010
1010
1011
1011
1011
1011
1010
1010
1009
1009
1009
1008
1008
1008
1007
1006
1005
1005
1004
1003
1002

Ozone (du)

339
338
337
337
337
337
337
337
337
336
335
335
335
336
336
337
338
338
338
339
340
342
344
346

Friday 26

Third Quarter 45%

02:56

12:25

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: 05:45, Set: 19:57, Transit: 12:52. Moon - Rise: 02:56, Set: 12:25. Civil Dark: 20:30 - 05:12. Nautical Dark: 21:11 - 04:31. Astro Dark: 21:57 - 03:45

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
97
97

Medium Clouds (% Sky Obscured)

100
100
100
100
95
95
95
95
95
95
91
91
91
91
91
91
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
2
2
2
2
2
2
4
4

ISS Passover

Visibility (miles)

10
10
10
10
9
8
8
8
8
8
9
1
1
0
0
0
1
4
8
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

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

Precipitation Probability (%)

46
53
55
53
48
55
56
67
66
62
58
72
75
73
69
59
47
37
27
21
14
11
9
9

Precipitation Amount (mm)

0.46
0.58
0.49
0.32
0.22
0.29
0.34
0.39
0.36
0.33
0.33
0.66
1.1
1.45
1.25
0.85
0.57
0.38
0.25
0.18
0.14
0.1
0.08
0.07

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
81
85
88
90
99
99
99
99
99
98
98
97
97
98
98
96
91
84
76
65
56
51
51

Pressure (mb)

1002
1001
1001
1001
1001
1000
999
999
998
997
997
995
994
994
995
995
996
997
997
998
998
998
999
999

Ozone (du)

348
349
350
350
351
354
358
363
367
372
377
381
386
389
392
395
397
400
403
407
412
418
420
416

Saturday 27

Waning Crescent 35%

03:28

13:26

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: 05:43, Set: 19:59, Transit: 12:52. Moon - Rise: 03:28, Set: 13:26. Civil Dark: 20:32 - 05:10. Nautical Dark: 21:13 - 04:29. Astro Dark: 21:59 - 03:42

Total Clouds (% Sky Obscured)

100
100
100
100
96
96
96
96
96
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

97
97
97
97
96
96
96
96
96
96
100
100
100
100
100
100
95
95
95
95
95
95
0
0

Medium Clouds (% Sky Obscured)

100
100
100
100
2
2
2
2
2
2
0
0
0
0
0
0
6
6
6
6
6
6
83
83

High Clouds (% Sky Obscured)

4
4
4
4
0
0
0
0
0
0
91
91
91
91
91
91
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
7
4
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
Very Light Rain
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow

Precipitation Probability (%)

8
9
10
12
14
9
4
3
2
2
2
0
0
0
0
2
3
3
4
5
9
20
26
32

Precipitation Amount (mm)

0.07
0.07
0.06
0.05
0.04
0.03
0.02
0.01
0.01
0.01
0.01
0
0
0
0
0.01
0.01
0.01
0.02
0.03
0.06
0.14
0.26
0.47

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

52
55
58
62
64
65
66
66
67
68
69
71
72
73
70
67
63
58
54
53
54
59
65
69

Pressure (mb)

1000
1001
1002
1003
1004
1004
1005
1005
1006
1006
1006
1006
1007
1007
1007
1007
1007
1007
1007
1006
1006
1006
1005
1005

Ozone (du)

409
402
397
392
389
387
387
386
384
382
380
379
379
379
377
376
374
372
371
370
372
375
377
378

Sunday 28

Waning Crescent 26%

03:55

14:27

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

Sun - Rise: 05:42, Set: 20:00, Transit: 12:52. Moon - Rise: 03:55, Set: 14:27. Civil Dark: 20:33 - 05:09. Nautical Dark: 21:14 - 04:27. Astro Dark: 22:01 - 03:40

Total 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
92
92

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)

83
83
83
83
0
0
0
0
0
0
0
0
0
0
0
0
59
59
59
59
59
59
34
34

High Clouds (% Sky Obscured)

100
100
100
100
0
0
0
0
0
0
0
0
0
0
0
0
78
78
78
78
78
78
90
90

ISS Passover

Visibility (miles)

1
0
0
1
1
1
1
0
0
0
1
1
2
3
3
3
4
8
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 (%)

41
47
48
45
42
40
36
31
28
24
19
14
9
6
5
4
4
4
5
5
0
0
0
0

Precipitation Amount (mm)

0.8
1.01
0.87
0.59
0.43
0.47
0.6
0.68
0.64
0.56
0.43
0.27
0.13
0.05
0.02
0.02
0.02
0.01
0.01
0.01
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
77
79
78
77
76
77
77
77
76
75
75
74
74
72
69
66
62
60
57
55
54
52
50

Pressure (mb)

1005
1005
1005
1005
1006
1006
1007
1007
1008
1009
1010
1011
1012
1013
1015
1016
1017
1017
1018
1018
1019
1019
1019
1020

Ozone (du)

378
379
381
383
386
390
395
399
402
403
404
405
406
408
412
417
423
430
437
443
445
445
447
450

Monday 29

Waning Crescent 18%

04:20

15:29

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 OK
15 OK

Sun - Rise: 05:40, Set: 20:01, Transit: 12:51. Moon - Rise: 04:20, Set: 15:29. Civil Dark: 20:35 - 05:07. Nautical Dark: 21:16 - 04:25. Astro Dark: 22:03 - 03:38

Total Clouds (% Sky Obscured)

92
92
92
92
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
18
18

Low Clouds (% Sky Obscured)

0
0
0
0
97
97
97
97
97
97
100
100
100
100
100
100
100
100
100
100
100
100
6
6

Medium Clouds (% Sky Obscured)

34
34
34
34
100
100
100
100
100
100
99
99
99
99
99
99
95
95
95
95
95
95
17
17

High Clouds (% Sky Obscured)

90
90
90
90
1
1
1
1
1
1
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
3
3
3

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-2
-3
-4
-5
-6
-7
-7
-8
-8
-9
-10
-10
-11
-9
-8
-6
-5
-3
-2
0
2
4
5

Dew Point (°C)

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

Relative Humidity (%)

48
49
52
56
57
59
60
61
62
62
63
65
67
67
65
61
58
54
51
49
46
42
40
39

Pressure (mb)

1020
1021
1021
1022
1023
1024
1025
1026
1026
1027
1027
1028
1028
1029
1029
1029
1030
1030
1030
1030
1029
1029
1028
1028

Ozone (du)

455
458
458
458
458
460
464
466
466
464
460
455
448
442
438
434
430
424
418
412
408
405
401
395

Forecast for Saint-Zénon, Matawinie Regional County Municipality, CA (46.53,-73.70)

Generated: 23/04/19 16:12:35. Forecast: 23/04/19 to 29/04/19. Timezone: UTC-4.00