Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 17

Waxing Gibbous 87%

14:12

04:42

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 OK
18 Bad
19 Bad

Sun - Rise: 07:28, Set: 16:41, Transit: 12:04. Moon - Rise: 14:12, Set: 04:42. Civil Dark: 17:14 - 06:55. Nautical Dark: 17:50 - 06:18. Astro Dark: 18:26 - 05:43

Total Clouds (% Sky Obscured)

99
99
91
93
97
97
96
97
98
98
98
100
99
98
99
100
100
100
99
97
91
29
95
96

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
60
90
92
97
95
99
99
100
100
94
94
29
27
92
91

Medium Clouds (% Sky Obscured)

79
82
79
87
92
96
96
97
95
98
98
100
98
98
98
100
100
100
98
97
91
16
92
95

High Clouds (% Sky Obscured)

98
98
63
60
80
37
4
1
63
18
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
9
8
3
1
1
2
1
1
1
1
4
7
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

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

Precipitation Probability (%)

84
50
16
1
0
1
1
2
4
5
5
6
5
6
11
12
14
14
12
7
7
5
3
0

Precipitation Amount (mm)

0.15
0.04
0.05
0.05
0
0.01
0.01
0.04
0.08
0.09
0.09
0.17
0.12
0.12
0.12
0.15
0.2
0.22
0.19
0.14
0.11
0.05
0.01
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-16
-15
-15
-14
-14
-14
-13
-13
-13
-12
-12
-11
-10
-9
-7
-5
-4
-3
-3
-3
-4
-5
-6
-7

Feels Like (°C)

-16
-19
-19
-19
-19
-19
-19
-18
-17
-16
-15
-15
-14
-12
-10
-9
-7
-6
-7
-8
-9
-11
-12
-14

Dew Point (°C)

-21
-21
-20
-20
-19
-19
-18
-18
-17
-17
-16
-15
-14
-12
-9
-8
-6
-5
-5
-6
-7
-8
-9
-10

Relative Humidity (%)

65
64
63
61
61
63
65
67
69
70
72
74
76
78
82
85
85
84
83
82
82
82
81
79

Pressure (mb)

1027
1026
1025
1024
1023
1022
1021
1020
1019
1019
1018
1017
1017
1017
1016
1015
1014
1014
1014
1014
1014
1016
1017
1019

Ozone (du)

339
339
340
340
340
340
339
338
337
337
338
339
338
337
336
335
335
335
336
337
338
339
339
340

Friday 18

Waxing Gibbous 94%

15:08

05:51

20 Bad
21 Bad
22 OK
23 Good
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 OK
06 Good
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

Sun - Rise: 07:27, Set: 16:43, Transit: 12:05. Moon - Rise: 15:08, Set: 05:51. Civil Dark: 17:15 - 06:54. Nautical Dark: 17:52 - 06:18. Astro Dark: 18:27 - 05:43

Total Clouds (% Sky Obscured)

65
85
29
3
26
99
99
88
91
0
0
99
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

58
65
23
2
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

59
83
28
2
0
0
0
0
0
0
0
0
98
97
96
96
95
96
98
99
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
1
26
99
99
88
91
0
0
99
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
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
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
1
1
1
0
0
1
1
2
0
0
0
0
0
2
2
4
6

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.01
0.01
0.01
0
0
0.01
0.01
0.01
0
0
0
0
0
0.01
0.02
0.04
0.07

Wind Speed/Direction (mph)

10
9
9
8
8
7
7
6
6
6
6
6
6
7
7
7
7
7
7
7
7
8
9
10

Chance of Frost

Temperature (°C)

-9
-10
-12
-14
-16
-17
-18
-19
-19
-21
-21
-22
-22
-21
-21
-21
-21
-20
-19
-19
-18
-18
-18
-18

Feels Like (°C)

-15
-17
-19
-21
-23
-24
-25
-26
-27
-28
-28
-29
-29
-29
-29
-29
-28
-27
-27
-26
-26
-26
-27
-27

Dew Point (°C)

-13
-15
-17
-19
-21
-23
-24
-25
-26
-27
-27
-28
-28
-27
-27
-27
-27
-26
-26
-26
-25
-25
-25
-25

Relative Humidity (%)

74
69
65
63
62
61
59
58
58
58
59
61
59
59
59
59
59
57
55
55
54
54
54
56

Pressure (mb)

1021
1022
1024
1025
1026
1027
1028
1029
1030
1031
1032
1032
1033
1034
1034
1034
1033
1032
1031
1031
1030
1030
1030
1029

Ozone (du)

341
343
343
342
341
339
336
333
329
325
321
317
316
316
316
315
313
312
314
316
318
318
317
317

Saturday 19

Waxing Gibbous 98%

16:15

06:54

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
19 Bad

Sun - Rise: 07:26, Set: 16:44, Transit: 12:05. Moon - Rise: 16:15, Set: 06:54. Civil Dark: 17:16 - 06:54. Nautical Dark: 17:53 - 06:17. Astro Dark: 18:28 - 05:42

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
95

Low Clouds (% Sky Obscured)

0
0
3
25
75
91
94
92
94
95
95
78
77
87
86
88
89
95
95
95
95
95
95
92

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
62
28
80
80
80
80
80
80
0

ISS Passover

Visibility (miles)

8
5
2
1
1
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
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

Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

8
9
12
16
19
19
17
18
20
20
21
22
26
24
21
20
19
18
15
11
9
8
8
6

Precipitation Amount (mm)

0.13
0.24
0.37
0.5
0.62
0.73
0.75
0.75
0.76
0.85
1
1.09
1.02
0.88
0.74
0.62
0.51
0.41
0.33
0.27
0.21
0.15
0.11
0.08

Wind Speed/Direction (mph)

11
11
12
13
13
14
15
16
16
17
18
19
20
20
21
21
20
20
19
17
16
16
15
15

Chance of Frost

Temperature (°C)

-18
-18
-18
-18
-18
-18
-17
-17
-17
-16
-17
-17
-17
-17
-17
-17
-17
-16
-15
-15
-15
-15
-15
-16

Feels Like (°C)

-27
-27
-28
-28
-28
-28
-28
-28
-27
-28
-28
-28
-28
-29
-30
-29
-29
-28
-26
-25
-25
-25
-26
-26

Dew Point (°C)

-25
-24
-24
-24
-23
-23
-23
-22
-22
-21
-21
-21
-21
-21
-21
-21
-21
-20
-20
-20
-20
-20
-21
-21

Relative Humidity (%)

57
58
59
59
61
62
63
64
65
66
66
67
68
70
72
72
72
71
67
65
64
64
63
63

Pressure (mb)

1029
1028
1027
1025
1024
1023
1022
1020
1019
1019
1018
1018
1017
1017
1016
1015
1015
1014
1014
1014
1014
1014
1015
1015

Ozone (du)

318
320
322
324
325
327
328
329
330
332
334
335
335
335
335
338
341
345
348
352
356
359
362
365

Sunday 20

Waxing Gibbous 100%

17:29

07:48

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 Good
14 Good
15 Good
16 Good
17 Good
18 Good
19 Good

Sun - Rise: 07:25, Set: 16:45, Transit: 12:05. Moon - Rise: 17:29, Set: 07:48. Civil Dark: 17:18 - 06:53. Nautical Dark: 17:54 - 06:17. Astro Dark: 18:29 - 05:41

Total Clouds (% Sky Obscured)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

92
92
92
92
92
42
42
42
42
42
42
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
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)

1
1
2
2
2
3
5
8
10
10
10
10
7
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
4
3
3
3
3
4
3
3
3
3
3
3
3
2
2
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.07
0.07
0.07
0.06
0.05
0.05
0.07
0.06
0.05
0.05
0.04
0.03
0.04
0.03
0.02
0.01
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
13
12
11
10
9
10
10
10
10
10
10
10
10
11
11
12
12
11
11
10
10
10
10

Chance of Frost

Temperature (°C)

-16
-17
-17
-17
-18
-18
-18
-18
-18
-18
-19
-19
-19
-19
-18
-17
-16
-14
-13
-12
-12
-13
-14
-15

Feels Like (°C)

-26
-26
-26
-26
-27
-27
-26
-26
-27
-27
-27
-28
-28
-28
-28
-27
-25
-23
-22
-20
-20
-21
-23
-24

Dew Point (°C)

-22
-22
-23
-24
-24
-25
-24
-24
-24
-25
-25
-26
-25
-25
-25
-24
-22
-21
-21
-20
-20
-21
-22
-23

Relative Humidity (%)

62
60
59
57
56
56
59
57
56
55
54
54
57
56
57
57
57
55
54
52
52
52
53
52

Pressure (mb)

1016
1016
1016
1017
1017
1018
1015
1016
1017
1018
1018
1019
1021
1022
1023
1023
1023
1023
1024
1024
1025
1026
1027
1029

Ozone (du)

367
369
374
381
391
399
403
404
407
413
419
425
429
432
435
438
440
439
433
425
416
406
396
387

Monday 21

Full Moon 98%

18:48

08:34

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

Sun - Rise: 07:24, Set: 16:47, Transit: 12:06. Moon - Rise: 18:48, Set: 08:34. Civil Dark: 17:19 - 06:52. Nautical Dark: 17:55 - 06:16. Astro Dark: 18:30 - 05:41

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
98
98
98
98
98
98
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
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
44
44
44
44
44
44
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
98
98
98
98
98
98
99

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
2
2
3
4
5
5
4
3
3
2
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.02
0.06
0.11
0.15
0.12
0.06
0.03
0.02
0.01
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-16
-17
-18
-19
-20
-21
-22
-23
-24
-25
-25
-24
-23
-21
-19
-17
-15
-14
-13
-11
-10
-10
-11
-11

Feels Like (°C)

-24
-25
-26
-26
-27
-29
-29
-30
-30
-31
-31
-30
-29
-27
-24
-23
-21
-20
-18
-17
-16
-16
-16
-16

Dew Point (°C)

-24
-25
-25
-26
-26
-27
-28
-29
-30
-30
-31
-30
-29
-27
-25
-23
-21
-19
-18
-17
-16
-17
-17
-17

Relative Humidity (%)

52
51
52
53
55
58
58
58
58
58
58
58
60
59
60
62
64
65
65
63
61
60
61
62

Pressure (mb)

1029
1030
1030
1030
1031
1031
1031
1032
1032
1032
1032
1032
1031
1031
1030
1028
1027
1025
1024
1023
1022
1022
1021
1021

Ozone (du)

378
371
365
361
359
358
358
360
360
355
349
343
338
335
332
329
327
326
325
325
325
325
324
324

Tuesday 22

Waning Gibbous 94%

20:06

09:12

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
19 Bad

Sun - Rise: 07:23, Set: 16:48, Transit: 12:06. Moon - Rise: 20:06, Set: 09:12. Civil Dark: 17:20 - 06:51. Nautical Dark: 17:56 - 06:15. Astro Dark: 18:32 - 05:40

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
99
99
99
99
99
99
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
95
95
95
95
95
95
97
97
97
97
97
97
97

Medium Clouds (% Sky Obscured)

100
100
100
100
100
97
97
97
97
97
97
98
98
98
98
98
98
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

99
99
99
99
99
100
100
100
100
100
100
80
80
80
80
80
80
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

10
10
10
10
7
3
2
2
2
1
0
1
4
8
10
7
3
0
3
8
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Very Light Rain
Snow
Snow
Snow
Snow
Snow
None

Precipitation Probability (%)

2
3
3
4
5
6
8
14
15
17
25
30
28
24
19
23
24
23
17
14
13
9
7
3

Precipitation Amount (mm)

0.01
0.03
0.04
0.07
0.11
0.18
0.24
0.32
0.4
0.48
0.55
0.56
0.45
0.3
0.21
0.17
0.15
0.14
0.14
0.15
0.14
0.09
0.04
0.02

Wind Speed/Direction (mph)

4
4
4
4
4
4
4
5
3
3
5
6
6
7
7
7
6
6
7
9
11
12
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-16
-15
-15
-14
-13
-13
-13
-13
-8
-7
-11
-11
-9
-8
-7
-6
-4
-3
-2
-3
-4
-6
-8
-10

Dew Point (°C)

-17
-17
-16
-15
-15
-14
-13
-13
-12
-11
-10
-10
-8
-7
-5
-4
-3
-3
-2
-3
-4
-5
-6
-8

Relative Humidity (%)

63
64
65
66
68
71
72
73
73
74
75
77
79
82
83
84
84
82
78
74
74
74
73
73

Pressure (mb)

1020
1019
1019
1018
1017
1016
1015
1014
1013
1013
1012
1012
1011
1010
1010
1009
1007
1007
1006
1006
1007
1008
1009
1010

Ozone (du)

323
321
320
319
319
319
320
320
321
321
321
322
324
326
328
327
326
328
335
346
353
355
354
352

Wednesday 23

Waning Gibbous 86%

20:06

09:45

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
19 Bad

Sun - Rise: 07:22, Set: 16:50, Transit: 12:06. Moon - Rise: 20:06, Set: 09:45. Civil Dark: 17:22 - 06:50. Nautical Dark: 17:58 - 06:14. Astro Dark: 18:33 - 05:39

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
86

Low Clouds (% Sky Obscured)

97
97
97
97
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
31

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
37
37
37
37
37
37
37

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
0
0
0
0
0
0
80

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
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None

Precipitation Probability (%)

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

Precipitation Amount (mm)

0.01
0
0
0
0
0
0
0.01
0.03
0.1
0.23
0.38
0.5
0.6
0.69
0.83
0.98
1.01
0.86
0.62
0.41
0.2
0.06
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-6
-7
-9
-10
-10
-11
-11
-12
-13
-14
-15
-15
-15
-15
-14
-13
-11
-9
-9
-9
-9
-9
-10
-11

Feels Like (°C)

-12
-14
-16
-17
-18
-18
-19
-19
-20
-18
-21
-23
-19
-21
-21
-19
-15
-12
-13
-12
-15
-16
-17
-17

Dew Point (°C)

-10
-12
-14
-15
-16
-16
-17
-17
-18
-18
-19
-19
-19
-19
-18
-17
-16
-15
-14
-14
-15
-15
-16
-17

Relative Humidity (%)

71
69
67
65
65
64
64
64
65
67
68
69
71
71
70
70
68
66
65
64
63
63
62
61

Pressure (mb)

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

Ozone (du)

350
347
345
345
345
346
346
346
346
345
344
344
345
347
350
352
355
357
360
362
364
366
368
369

Forecast for Montreal, Montreal, CA (45.50,-73.57)

Generated: 17/01/19 20:10:26. Forecast: 17/01/19 to 23/01/19. Timezone: UTC-5.00