Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 24

Waxing Gibbous 73%

13:50

04:05

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:50, Set: 19:55, Transit: 12:52. Moon - Rise: 13:50, Set: 04:05. Civil Dark: 20:28 - 05:17. Nautical Dark: 21:08 - 04:37. Astro Dark: 21:53 - 03:49

Total Clouds (% Sky Obscured)

95
97
97
98
99
99
100
100
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
100
92
91
98
99
98
93
98
99
100
100
100

High Clouds (% Sky Obscured)

95
97
97
98
99
99
100
100
98
99
100
100
100
99
99
99
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

Precipitation Type

None
None
None
None
Very Light Rain
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

Precipitation Probability (%)

0
0
3
0
7
0
2
2
4
4
2
4
0
3
5
5
9
9
7
6
8
13
19
27

Precipitation Amount (mm)

0
0
0.01
0
0.05
0
0.01
0.01
0.05
0.04
0.01
0.05
0
0.03
0.05
0.07
0.1
0.07
0.03
0.02
0.02
0.04
0.08
0.13

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

45
46
48
49
52
54
56
58
59
61
63
68
74
79
83
82
88
90
91
92
93
97
100
100

Pressure (mb)

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

Ozone (du)

327
327
327
326
326
326
327
328
328
329
329
329
328
328
327
327
327
326
326
326
328
331
333
335

Wednesday 25

Waxing Gibbous 83%

15:02

04:05

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:48, Set: 19:56, Transit: 12:52. Moon - Rise: 15:02, Set: 04:05. Civil Dark: 20:29 - 05:15. Nautical Dark: 21:10 - 04:34. Astro Dark: 21:55 - 03:47

Total Clouds (% Sky Obscured)

100
100
100
100
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
4
62
88
75
42
73
41
21
31
84
98
99
99
91
98
98
63
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

100
100
100
99
100
98
95
98
99
99
99
100
99
100
100
100
99
99
100
100
100
100
99
99

High Clouds (% Sky Obscured)

100
100
100
100
99
98
98
99
99
99
98
98
99
100
100
100
100
100
96
15
82
93
77
2

ISS Passover

Visibility (miles)

7
4
2
0
0
4
10
10
10
10
10
10
9
7
6
5
3
2
2
1
1
1
1
3

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
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

Precipitation Probability (%)

35
40
40
38
35
34
34
37
40
44
49
54
59
61
60
58
56
53
49
46
45
43
42
41

Precipitation Amount (mm)

0.22
0.3
0.29
0.22
0.18
0.18
0.2
0.25
0.28
0.33
0.41
0.54
0.71
0.85
0.9
0.89
0.86
0.82
0.77
0.72
0.65
0.57
0.53
0.5

Wind Speed/Direction (mph)

6
5
5
5
5
5
5
6
6
6
6
6
6
6
6
6
7
7
7
7
7
7
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1017
1017
1017
1017
1017
1017
1016
1016
1015
1015
1014
1013
1013
1012
1011
1011
1010
1010
1009
1008
1008
1007
1006
1005

Ozone (du)

336
338
339
340
340
340
339
338
338
339
341
345
351
355
358
359
361
361
362
362
363
364
366
370

Thursday 26

Waxing Gibbous 90%

16:13

04:35

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
23 Good
00 Good
01 Good
02 Good
03 Good

Sun - Rise: 05:46, Set: 19:58, Transit: 12:52. Moon - Rise: 16:13, Set: 04:35. Civil Dark: 20:31 - 05:13. Nautical Dark: 21:11 - 04:32. Astro Dark: 21:57 - 03:44

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
97
19
16
3
0
0

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
41
29
10
16
3
0
0

Medium Clouds (% Sky Obscured)

100
95
85
91
74
75
93
94
97
98
100
100
100
100
100
97
95
41
2
0
0
0
0
0

High Clouds (% Sky Obscured)

7
30
96
95
97
99
100
100
100
100
99
99
100
100
100
100
100
97
96
10
0
0
0
0

ISS Passover

Visibility (miles)

7
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
100
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
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
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

38
36
34
33
33
35
35
34
34
33
30
27
22
18
14
8
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.5
0.49
0.48
0.47
0.48
0.54
0.61
0.66
0.64
0.59
0.49
0.34
0.2
0.12
0.05
0.01
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
8
9
9
10
10
10
10
11
11
11
11
11
11
10
8
7
7
7
7
6
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
100
100
100
98
96
94
94
94
93
91
89
87
86
85
82
79
77
75
76
76
77

Pressure (mb)

1005
1004
1004
1004
1004
1004
1003
1003
1003
1003
1003
1003
1003
1003
1004
1005
1006
1007
1008
1008
1008
1008
1008
1009

Ozone (du)

374
379
384
390
394
396
396
395
393
390
388
385
383
382
380
377
376
375
375
375
374
372
372
373

Friday 27

Waxing Gibbous 96%

17:22

05:03

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

Sun - Rise: 05:45, Set: 19:59, Transit: 12:52. Moon - Rise: 17:22, Set: 05:03. Civil Dark: 20:32 - 05:12. Nautical Dark: 21:13 - 04:30. Astro Dark: 21:59 - 03:42

Total Clouds (% Sky Obscured)

0
0
0
0
73
73
73
73
73
73
31
31
31
31
31
31
94
94
94
94
94
94
96
96

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)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
31
31

High Clouds (% Sky Obscured)

0
0
0
0
73
73
73
73
73
73
31
31
31
31
31
31
94
94
94
94
94
94
95
95

ISS Passover

Visibility (miles)

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
3
0
0
0
0
0
0
0
0
0
0
0
3
4
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-0
-1
0
2
4
4
6
7
8
8
8
11
11
10
8
6
5
3
2
2
1
1
0
-0

Dew Point (°C)

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

Relative Humidity (%)

77
79
82
84
82
81
75
71
68
64
63
56
58
62
67
76
85
89
92
92
91
88
89
92

Pressure (mb)

1009
1009
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1008
1008
1007
1007

Ozone (du)

375
377
377
376
376
376
377
377
377
376
375
376
377
379
382
387
390
392
394
395
396
398
399
399

Saturday 28

Waxing Gibbous 99%

18:31

05:30

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 OK
21 OK
22 OK
23 OK
00 OK
01 OK
02 Bad
03 Bad

Sun - Rise: 05:43, Set: 20:00, Transit: 12:52. Moon - Rise: 18:31, Set: 05:30. Civil Dark: 20:33 - 05:10. Nautical Dark: 21:15 - 04:28. Astro Dark: 22:01 - 03:39

Total Clouds (% Sky Obscured)

96
96
96
96
98
98
98
98
98
98
88
88
88
88
88
88
23
23
23
23
23
23
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
10
10
10
10
10
10
72
72
72
72
72
72
0
0
0
0
0
0
100
100

Medium Clouds (% Sky Obscured)

31
31
31
31
96
96
96
96
96
96
73
73
73
73
73
73
23
23
23
23
23
23
16
16

High Clouds (% Sky Obscured)

95
95
95
95
92
92
92
92
92
92
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

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

Precipitation Probability (%)

0
0
8
13
15
16
17
18
20
21
22
21
19
18
15
11
3
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0.01
0.06
0.13
0.18
0.22
0.23
0.2
0.17
0.16
0.11
0.08
0.07
0.04
0.02
0.01
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
99
100
100
100
100
99
98
98
98
98
98
97
95
94
92
89
85
80
76
74
73
73
75

Pressure (mb)

1006
1006
1006
1006
1006
1005
1005
1005
1005
1005
1005
1005
1006
1006
1007
1008
1009
1010
1011
1011
1012
1012
1013
1013

Ozone (du)

398
399
401
405
408
411
414
415
415
415
414
415
416
417
418
418
418
417
416
414
413
412
411
411

Sunday 29

Full Moon 100%

19:38

05:57

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 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good

Sun - Rise: 05:41, Set: 20:02, Transit: 12:52. Moon - Rise: 19:38, Set: 05:57. Civil Dark: 20:35 - 05:08. Nautical Dark: 21:17 - 04:27. Astro Dark: 22:04 - 03:37

Total Clouds (% Sky Obscured)

100
100
100
100
99
99
99
99
99
99
99
99
99
99
99
99
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

100
100
100
100
99
99
99
99
99
99
99
99
99
99
99
99
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

16
16
16
16
0
0
0
0
0
0
0
0
0
0
0
0
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)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

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

Precipitation Probability (%)

0
0
0
2
3
4
5
6
6
6
6
5
6
6
6
5
4
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.01
0.02
0.02
0.02
0.01
0.01
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-6
-6
-7
-7
-8
-8
-9
-9
-10
-10
-10
-10
-9
-8
-8
-7
-6
-6
-5
-5
-6
-6
-7
-7

Relative Humidity (%)

77
79
77
74
67
59
52
46
42
39
37
37
38
41
45
51
58
63
67
70
70
68
66
65

Pressure (mb)

1014
1015
1015
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1019
1020
1021
1021
1022
1022
1022
1022
1023

Ozone (du)

411
412
413
413
414
413
411
411
410
411
411
411
412
412
411
410
409
408
408
406
401
394
388
385

Monday 30

Waning Gibbous 98%

20:43

06:26

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

Sun - Rise: 05:40, Set: 20:03, Transit: 12:51. Moon - Rise: 20:43, Set: 06:26. Civil Dark: 20:36 - 05:06. Nautical Dark: 21:18 - 04:25. Astro Dark: 22:06 - 03:35

Total Clouds (% Sky Obscured)

0
0
0
0
31
31
31
31
31
31
62
62
62
62
62
62
0
0
0
0
0
0
14
14

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)

0
0
0
0
30
30
30
30
30
30
0
0
0
0
0
0
0
0
0
0
0
0
14
14

High Clouds (% Sky Obscured)

0
0
0
0
2
2
2
2
2
2
62
62
62
62
62
62
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
6
6
7
7
7
6
6
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.02
0.08
0.12
0.1
0.04
0.01
0.01
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
5
4
4
5
6
7
7
8
9
9
10
10
10
9
8
7
7
7
7
7
6
6
6

Chance of Frost

Temperature (°C)

-2
-1
-0
1
3
5
8
10
11
12
13
14
14
13
12
11
9
7
6
5
4
3
2
1

Feels Like (°C)

-5
-4
-3
-1
1
3
6
8
11
12
13
14
14
13
12
11
7
5
4
3
1
-0
-1
-1

Dew Point (°C)

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

Relative Humidity (%)

64
62
59
55
51
47
44
42
42
43
45
48
52
57
63
72
81
87
91
94
96
99
99
97

Pressure (mb)

1023
1023
1024
1024
1023
1023
1022
1021
1020
1019
1018
1017
1017
1017
1017
1017
1018
1019
1019
1020
1021
1021
1021
1022

Ozone (du)

382
379
377
374
372
370
369
367
364
361
359
356
354
353
355
359
361
360
358
357
357
358
359
358

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

Generated: 24/04/18 04:55:55. Forecast: 24/04/18 to 30/04/18. Timezone: UTC-4.00