Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 21

Waxing Gibbous 93%

17:34

04:50

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

Sun - Rise: 07:26, Set: 17:59, Transit: 12:42. Moon - Rise: 17:34, Set: 04:50. Civil Dark: 18:29 - 06:55. Nautical Dark: 19:06 - 06:20. Astro Dark: 19:40 - 05:46

Total Clouds (% Sky Obscured)

86
90
99
100
100
89
99
95
80
39
54
70
56
36
84
96
100
99
100
98
100
100
99
99

Low Clouds (% Sky Obscured)

81
84
91
99
95
59
85
80
52
16
52
69
56
35
20
37
87
97
100
98
100
100
93
95

Medium Clouds (% Sky Obscured)

79
84
97
100
99
88
98
94
72
14
41
27
2
2
81
95
99
98
87
13
53
92
98
98

High Clouds (% Sky Obscured)

0
6
88
15
97
24
84
37
11
26
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

Precipitation Type

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
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
4
0
0
3
3
4
4
0
0
0
3
4
5
0
0
0
0
0
6
7
10
13
18

Precipitation Amount (mm)

0
0.01
0
0
0.01
0.01
0.04
0.05
0
0
0
0.01
0.01
0.01
0
0
0
0
0
0.01
0.01
0.03
0.06
0.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
60
62
63
64
65
65
65
66
67
69
70
72
73
68
58
53
49
48
49
52
57
64
70

Pressure (mb)

1017
1017
1017
1018
1018
1018
1018
1018
1018
1019
1019
1019
1020
1020
1020
1020
1020
1019
1019
1018
1018
1018
1018
1018

Ozone (du)

336
324
334
335
328
336
335
329
333
333
329
332
332
328
333
333
332
331
329
328
329
330
331
331

Monday 22

Waxing Gibbous 97%

17:59

05:55

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
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:27, Set: 17:57, Transit: 12:42. Moon - Rise: 17:59, Set: 05:55. Civil Dark: 18:27 - 06:57. Nautical Dark: 19:04 - 06:22. Astro Dark: 19:39 - 05:47

Total Clouds (% Sky Obscured)

99
100
99
99
86
82
84
87
100
100
100
100
100
98
91
96
93
74
63
77
99
96
100
100

Low Clouds (% Sky Obscured)

99
99
98
94
76
77
77
79
91
97
95
99
96
81
68
95
91
73
59
70
99
91
94
98

Medium Clouds (% Sky Obscured)

98
88
98
98
79
57
70
68
99
99
100
98
99
95
87
79
38
16
29
59
97
89
99
99

High Clouds (% Sky Obscured)

0
0
0
6
0
6
6
0
0
0
0
32
60
40
2
0
0
0
0
0
2
8
12
37

ISS Passover

Visibility (miles)

10
10
10
10
10
9
7
6
6
8
9
9
9
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
Snow
Snow
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
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 (%)

26
29
25
22
20
17
13
10
7
6
7
9
13
14
12
12
13
15
19
25
29
36
47
54

Precipitation Amount (mm)

0.19
0.26
0.23
0.19
0.17
0.13
0.08
0.06
0.04
0.03
0.03
0.03
0.03
0.04
0.04
0.04
0.04
0.05
0.08
0.13
0.18
0.26
0.33
0.37

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
80
82
83
85
87
88
89
89
88
88
88
89
88
87
84
82
80
79
78
78
80
82
84

Pressure (mb)

1019
1019
1019
1019
1019
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1016
1016
1015
1015
1015
1015
1015
1015

Ozone (du)

332
332
333
333
334
334
335
335
335
335
335
336
337
338
339
341
342
343
345
346
347
349
350
351

Tuesday 23

Waxing Gibbous 100%

18:26

07:03

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 OK
11 Good
12 Good
13 OK
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:29, Set: 17:55, Transit: 12:42. Moon - Rise: 18:26, Set: 07:03. Civil Dark: 18:26 - 06:58. Nautical Dark: 19:02 - 06:23. Astro Dark: 19:37 - 05:48

Total Clouds (% Sky Obscured)

100
100
100
100
98
98
97
98
98
97
96
96
96
38
22
17
0
1
29
68
68
68
68
68

Low Clouds (% Sky Obscured)

88
68
70
35
32
26
17
31
40
26
5
0
0
0
0
1
0
0
0
26
26
26
26
26

Medium Clouds (% Sky Obscured)

100
100
100
99
95
96
96
96
91
81
44
20
11
6
22
16
0
1
29
67
67
67
67
67

High Clouds (% Sky Obscured)

51
80
90
94
93
93
92
95
95
95
95
96
95
36
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

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

Precipitation Probability (%)

59
60
56
44
33
24
20
21
28
37
41
40
37
26
19
15
13
11
10
10
10
11
12
11

Precipitation Amount (mm)

0.42
0.44
0.41
0.35
0.29
0.22
0.18
0.18
0.25
0.38
0.48
0.41
0.28
0.18
0.13
0.09
0.07
0.06
0.05
0.05
0.04
0.04
0.03
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
88
89
89
88
88
89
89
90
91
92
91
90
88
85
80
77
73
70
67
67
68
69
70

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1017
1017
1018
1018
1018
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

352
354
355
357
359
360
361
361
362
362
363
363
363
362
362
361
360
358
356
354
351
348
346
346

Wednesday 24

Full Moon 100%

18:56

08:12

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Good
03 Good
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

Sun - Rise: 07:30, Set: 17:54, Transit: 12:42. Moon - Rise: 18:56, Set: 08:12. Civil Dark: 18:24 - 06:59. Nautical Dark: 18:59 - 06:24. Astro Dark: 19:36 - 05:49

Total Clouds (% Sky Obscured)

68
98
98
98
98
98
98
4
4
4
4
4
4
34
34
34
34
34
34
91
91
91
91
91

Low Clouds (% Sky Obscured)

26
98
98
98
98
98
98
4
4
4
4
4
4
34
34
34
34
34
34
91
91
91
91
91

Medium Clouds (% Sky Obscured)

67
14
14
14
14
14
14
1
1
1
1
1
1
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
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

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

Precipitation Probability (%)

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

Precipitation Amount (mm)

0.01
0.01
0.01
0.02
0.03
0.03
0.04
0.03
0.05
0.02
0.01
0.01
0.01
0.01
0.01
0
0
0
0.01
0.02
0.02
0.02
0.02
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-4
-4
-4
-4
-5
-5
-6
-6
-6
-6
-7
-7
-8
-8
-8
-9
-9
-9
-9
-9
-9
-9
-9
-9

Relative Humidity (%)

71
72
73
74
74
74
73
72
72
70
68
68
70
70
67
61
56
50
46
44
44
46
49
52

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1021
1021
1021
1022
1022
1022
1022
1023
1023
1022
1022
1021
1021
1021
1021
1021

Ozone (du)

347
348
349
349
350
349
349
348
348
349
349
349
349
350
350
351
351
349
346
343
343
343
342
341

Thursday 25

Waning Gibbous 97%

18:56

09:23

19 Bad
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
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 Good
15 Good
16 Good
17 Good
18 Good

Sun - Rise: 07:31, Set: 17:52, Transit: 12:42. Moon - Rise: 18:56, Set: 09:23. Civil Dark: 18:23 - 07:01. Nautical Dark: 18:58 - 06:25. Astro Dark: 19:34 - 05:51

Total Clouds (% Sky Obscured)

91
6
6
6
6
6
6
67
67
67
67
67
67
68
68
68
68
68
68
0
0
0
0
0

Low Clouds (% Sky Obscured)

91
6
6
6
6
6
6
67
67
67
67
67
67
68
68
68
68
68
68
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
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
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 (%)

5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-9
-9
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-11
-11
-10
-10
-10
-9
-9
-8
-8

Relative Humidity (%)

56
58
60
62
63
64
65
66
67
67
68
69
71
70
64
56
49
46
43
41
41
42
45
52

Pressure (mb)

1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1022
1021
1021
1021
1021
1021

Ozone (du)

340
338
336
333
330
327
324
322
320
320
319
319
318
318
318
317
316
315
314
313
312
312
311
311

Friday 26

Waning Gibbous 92%

19:30

10:33

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 Good
08 OK
09 OK
10 OK
11 OK
12 OK
13 OK
14 OK
15 OK
16 OK
17 OK
18 OK

Sun - Rise: 07:33, Set: 17:50, Transit: 12:42. Moon - Rise: 19:30, Set: 10:33. Civil Dark: 18:21 - 07:02. Nautical Dark: 18:56 - 06:27. Astro Dark: 19:33 - 05:52

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
28
28
28
28
28
28
36
36
36
36
36

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
3
3
3
3
3

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
28
28
28
28
28
28
35
35
35
35
35

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 (%)

3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
1
2
3
3
3
3
3
3
3
4
4
4
4
4
5
6
6
6
7
7
7
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
66
68
69
71
72
73
73
74
76
78
80
82
79
71
60
52
47
44
43
44
48
53
57

Pressure (mb)

1021
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1022
1022
1021
1022
1022
1022

Ozone (du)

310
310
309
309
308
308
308
308
309
309
310
311
313
314
315
315
315
315
315
315
314
312
312
311

Saturday 27

Waning Gibbous 85%

20:11

11:41

19 OK
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
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:34, Set: 17:49, Transit: 12:42. Moon - Rise: 20:11, Set: 11:41. Civil Dark: 18:20 - 07:03. Nautical Dark: 18:55 - 06:28. Astro Dark: 19:31 - 05:53

Total Clouds (% Sky Obscured)

36
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
0
0
0
0
0
0
0
0
0
0
0
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

3
0
0
0
0
0
0
99
99
99
99
99
99
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

35
100
100
100
100
100
100
100
100
100
100
100
100
34
34
34
34
34
34
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
0
1
1
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.03
0.12

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
67
71
75
78
80
81
83
85
87
88
88
86
82
73
63
56
52
50
49
49
51
54
59

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1021
1020
1019
1018
1017
1015
1014
1013
1012

Ozone (du)

312
312
313
314
314
314
313
312
311
310
309
308
308
307
305
303
302
301
300
300
300
301
302
303

Forecast for Mont-Tremblant, Les Laurentides Regional County Municipality, CA (46.18,-74.57)

Generated: 21/10/18 19:59:24. Forecast: 21/10/18 to 27/10/18. Timezone: UTC-4.00