Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 14

Waxing Crescent 55%

12:35

23:13

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
16 Bad
17 OK
18 Good
19 Good
20 Good
21 Good
22 Good

Sun - Rise: 07:32, Set: 16:08, Transit: 11:50. Moon - Rise: 12:35, Set: 23:13. Civil Dark: 16:43 - 06:57. Nautical Dark: 17:21 - 06:19. Astro Dark: 17:58 - 05:42

Total Clouds (% Sky Obscured)

100
100
84
90
70
95
100
100
90
100
81
70
91
99
100
99
89
91
14
6
2
0
0
1

Low Clouds (% Sky Obscured)

100
100
84
90
70
95
100
100
90
100
81
70
91
99
100
99
89
91
14
6
2
0
0
1

Medium Clouds (% Sky Obscured)

13
9
0
0
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)

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

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

Precipitation Probability (%)

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

Precipitation Amount (mm)

0.02
0.07
0.07
0.01
0.01
0.02
0.01
0
0
0.03
0.01
0
0.05
0.05
0.01
0
0
0
0
0
0.01
0.01
0.01
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-3
-4
-5
-6
-6
-7
-7
-7
-8
-8
-8
-7
-7
-6
-4
-5
-5
-6
-7
-7
-8
-8
-8
-6

Dew Point (°C)

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

Relative Humidity (%)

100
99
95
93
92
90
89
89
90
90
89
88
88
87
79
81
85
89
89
88
86
86
88
88

Pressure (mb)

1016
1016
1016
1017
1018
1018
1019
1019
1020
1021
1022
1023
1023
1023
1024
1024
1025
1025
1026
1027
1028
1028
1028
1029

Ozone (du)

343
346
349
351
352
354
357
360
361
358
352
347
344
342
340
337
334
332
329
327
325
323
322
320

Saturday 15

First Quarter 65%

12:58

00:16

23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
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

Sun - Rise: 07:33, Set: 16:08, Transit: 11:50. Moon - Rise: 12:58, Set: 00:16. Civil Dark: 16:43 - 06:58. Nautical Dark: 17:21 - 06:19. Astro Dark: 17:58 - 05:43

Total Clouds (% Sky Obscured)

0
0
1
1
1
1
1
1
1
53
76
88
79
96
95
95
98
98
99
95
94
99
99
99

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
12
76
97
98

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
53
76
88
79
96
95
95
98
98
99
95
94
98
99
95

ISS Passover

Visibility (miles)

8
8
8
8
9
9
9
9
8
8
8
8
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 (%)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
87
87
88
90
93
95
96
95
94
92
89
87
86
85
86
88
89
88
90
90
89
87
86

Pressure (mb)

1028
1028
1028
1027
1027
1027
1026
1026
1026
1026
1026
1025
1024
1023
1022
1021
1020
1019
1019
1019
1018
1018
1017
1016

Ozone (du)

319
319
318
318
318
318
318
318
319
320
321
322
323
322
323
323
324
325
326
327
328
328
329
329

Sunday 16

Waxing Gibbous 74%

13:22

01:20

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 07:33, Set: 16:08, Transit: 11:51. Moon - Rise: 13:22, Set: 01:20. Civil Dark: 16:43 - 06:58. Nautical Dark: 17:22 - 06:20. Astro Dark: 17:58 - 05:43

Total Clouds (% Sky Obscured)

100
98
100
100
100
98
99
96
91
51
92
100
82
100
99
99
99
99
99
99
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
4
41
13
31
91
100
82
100
98
98
98
98
98
98
100
100
100
100

Medium Clouds (% Sky Obscured)

99
95
100
100
100
69
91
74
38
9
0
0
1
30
91
91
91
91
91
91
4
4
4
4

High Clouds (% Sky Obscured)

83
95
95
97
99
98
96
83
85
32
10
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
9
5
2
2
2
2
2
2
2
1
1
1
1
1
1
2
2
3
6
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None

Precipitation Probability (%)

0
1
1
1
2
3
3
4
5
4
3
4
5
10
15
16
16
13
9
7
5
3
2
0

Precipitation Amount (mm)

0
0.02
0.03
0.05
0.1
0.17
0.18
0.16
0.16
0.14
0.13
0.13
0.15
0.27
0.38
0.32
0.2
0.14
0.12
0.11
0.09
0.04
0.01
0

Wind Speed/Direction (mph)

4
4
4
4
4
4
4
4
4
4
3
4
5
6
7
7
8
9
11
14
16
17
17
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-7
-7
-7
-7
-7
-7
-7
-7
-7
-4
-6
-7
-8
-8
-8
-8
-9
-11
-13
-15
-17
-19
-20

Dew Point (°C)

-6
-6
-6
-6
-6
-6
-6
-6
-5
-5
-5
-4
-4
-4
-5
-4
-5
-5
-6
-8
-10
-12
-14
-15

Relative Humidity (%)

86
86
87
87
87
88
89
90
91
92
93
94
96
97
97
94
92
91
89
86
82
78
74
71

Pressure (mb)

1015
1014
1013
1012
1010
1009
1009
1008
1008
1007
1006
1006
1005
1003
1003
1002
1002
1003
1004
1005
1006
1007
1008
1008

Ozone (du)

330
331
331
329
326
325
327
332
335
338
340
344
350
357
365
373
381
387
392
396
398
399
398
397

Monday 17

Waxing Gibbous 83%

13:48

02:27

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 OK
14 OK
15 OK
16 OK
17 OK
18 OK
19 Good
20 Good
21 Good
22 Good

Sun - Rise: 07:34, Set: 16:09, Transit: 11:51. Moon - Rise: 13:48, Set: 02:27. Civil Dark: 16:44 - 06:59. Nautical Dark: 17:22 - 06:21. Astro Dark: 17:59 - 05:44

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
28
28
28
28
28
28
0
0
0
0

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
28
28
28
28
28
28
0
0
0
0

Medium Clouds (% Sky Obscured)

4
4
0
0
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)

10
10
9
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
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

17
16
16
17
17
18
17
17
16
12
13
13
12
12
11
11
10
9
8
8
7
7
6
6

Chance of Frost

Temperature (°C)

-11
-12
-12
-12
-12
-13
-13
-13
-13
-12
-12
-12
-11
-10
-10
-10
-10
-11
-11
-11
-12
-12
-13
-13

Feels Like (°C)

-21
-21
-21
-22
-22
-23
-23
-23
-23
-21
-21
-20
-20
-18
-17
-17
-17
-17
-17
-18
-18
-18
-18
-19

Dew Point (°C)

-16
-16
-16
-17
-17
-18
-18
-18
-18
-17
-17
-17
-16
-16
-16
-16
-16
-16
-16
-16
-17
-17
-17
-17

Relative Humidity (%)

70
70
69
69
67
66
66
65
65
68
68
67
66
64
63
63
63
64
65
66
67
69
71
74

Pressure (mb)

1009
1009
1010
1010
1011
1012
1013
1013
1014
1017
1018
1018
1018
1018
1018
1018
1019
1019
1020
1021
1021
1021
1021
1021

Ozone (du)

393
387
383
383
384
385
387
389
391
391
391
388
380
370
360
353
347
342
339
336
334
332
330
330

Tuesday 18

Waxing Gibbous 91%

14:18

03:36

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

Sun - Rise: 07:35, Set: 16:09, Transit: 11:52. Moon - Rise: 14:18, Set: 03:36. Civil Dark: 16:44 - 07:00. Nautical Dark: 17:22 - 06:21. Astro Dark: 17:59 - 05:44

Total Clouds (% Sky Obscured)

0
0
1
1
1
1
1
1
33
33
33
33
33
33
89
89
89
89
89
89
98
98
98
98

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
1
1
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
4
4
4
4
4
4
0
0
0
0
0
0
6
6
6
6

High Clouds (% Sky Obscured)

0
0
1
1
1
1
1
1
30
30
30
30
30
30
89
89
89
89
89
89
98
98
98
98

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
3
4
5
3
3
3
3
2
2
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.02
0.03
0.03
0.03
0.03
0.02
0.01
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-14
-15
-15
-15
-15
-15
-15
-14
-13
-11
-9
-7
-6
-4
-3
-3
-3
-3
-3
-3
-3
-3
-3
-3

Feels Like (°C)

-19
-19
-15
-15
-15
-15
-15
-17
-17
-16
-14
-13
-11
-9
-8
-7
-7
-6
-6
-6
-7
-6
-6
-6

Dew Point (°C)

-17
-18
-18
-18
-18
-18
-18
-17
-16
-15
-13
-11
-9
-8
-7
-6
-6
-5
-5
-5
-5
-5
-5
-4

Relative Humidity (%)

76
77
77
77
77
77
76
74
73
74
76
77
77
76
77
79
80
83
85
85
87
88
89
91

Pressure (mb)

1021
1020
1020
1020
1019
1019
1018
1018
1017
1016
1015
1014
1013
1012
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012

Ozone (du)

330
331
333
333
334
335
335
336
337
339
342
345
345
344
344
343
342
341
341
341
341
341
340
340

Wednesday 19

Waxing Gibbous 96%

14:52

04:48

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 07:35, Set: 16:10, Transit: 11:52. Moon - Rise: 14:52, Set: 04:48. Civil Dark: 16:44 - 07:00. Nautical Dark: 17:23 - 06:22. Astro Dark: 18:00 - 05:45

Total Clouds (% Sky Obscured)

98
98
93
93
93
93
93
93
61
61
61
61
61
61
95
95
95
95
95
95
100
100
100
100

Low Clouds (% Sky Obscured)

1
1
2
2
2
2
2
2
51
51
51
51
51
51
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

6
6
74
74
74
74
74
74
27
27
27
27
27
27
66
66
66
66
66
66
100
100
100
100

High Clouds (% Sky Obscured)

98
98
87
87
87
87
87
87
0
0
0
0
0
0
91
91
91
91
91
91
94
94
94
94

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
8
6
4
3
2
1
1
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
None
None
None
None
None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
2
2
0
0
0
0
2
2
2
2
2
4
6
6
8
9
8
6
9
10
12
12
12

Precipitation Amount (mm)

0
0.01
0.01
0
0
0
0
0.02
0.04
0.04
0.04
0.03
0.03
0.03
0.03
0.02
0.02
0.02
0.06
0.15
0.24
0.27
0.26
0.25

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-6
-6
-6
-6
-4
-4
-4
-4
-3
-3
-4
-4
-3
-2
-2
-2
-2
-3
-3
-3
-3
-3
-3
-3

Dew Point (°C)

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

Relative Humidity (%)

93
94
94
93
92
91
92
91
91
92
92
91
90
88
87
88
88
89
88
88
87
87
87
88

Pressure (mb)

1012
1012
1012
1012
1012
1012
1013
1013
1013
1014
1014
1015
1015
1014
1014
1014
1014
1015
1015
1016
1016
1016
1016
1016

Ozone (du)

339
339
339
339
340
340
340
341
341
340
339
338
337
336
335
335
335
335
334
334
334
335
337
338

Thursday 20

Waxing Gibbous 94%

15:34

06:01

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
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 07:36, Set: 16:10, Transit: 11:53. Moon - Rise: 15:34, Set: 06:01. Civil Dark: 16:45 - 07:01. Nautical Dark: 17:23 - 06:22. Astro Dark: 18:00 - 05:45

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)

0
0
2
2
2
2
2
2
100
100
100
100
100
100
66
66
66
66
66
66
100
100
100
100

Medium Clouds (% Sky Obscured)

100
100
13
13
13
13
13
13
100
100
100
100
100
100
100
100
100
100
100
100
95
95
95
95

High Clouds (% Sky Obscured)

94
94
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

1
1
1
1
1
1
2
4
5
6
7
7
6
4
2
1
1
1
0
0
1
4
8
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
None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

11
8
6
5
4
3
3
3
4
4
4
6
11
17
27
37
57
67
66
62
55
42
35
31

Precipitation Amount (mm)

0.19
0.13
0.09
0.06
0.04
0.03
0.03
0.05
0.06
0.06
0.06
0.08
0.14
0.26
0.42
0.61
0.85
0.99
0.91
0.71
0.54
0.44
0.36
0.29

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
89
89
89
89
90
91
91
92
91
91
92
93
94
95
95
95
92
90
88
87
87
86
87

Pressure (mb)

1016
1016
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1013
1012
1011
1011
1010
1010
1009
1009
1008
1007
1005
1004

Ozone (du)

338
337
335
334
333
331
329
328
326
325
324
322
321
319
317
316
316
315
315
315
316
315
315
314

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

Generated: 14/12/18 23:06:42. Forecast: 14/12/18 to 20/12/18. Timezone: UTC-5.00