Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 17

Waning Gibbous 93%

21:20

08:47

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: 05:59, Set: 19:56, Transit: 12:58. Moon - Rise: 21:20, Set: 08:47. Civil Dark: 20:30 - 05:27. Nautical Dark: 21:09 - 04:48. Astro Dark: 21:52 - 04:05

Total Clouds (% Sky Obscured)

98
81
100
76
56
53
88
92
87
76
81
100
100
93
77
92
98
88
97
99
100
100
100
100

Low Clouds (% Sky Obscured)

19
41
100
55
32
51
88
92
86
75
81
100
100
93
76
33
34
20
20
15
11
1
1
0

Medium Clouds (% Sky Obscured)

67
44
31
40
25
6
6
9
11
15
3
0
0
6
14
21
16
23
19
16
76
90
98
31

High Clouds (% Sky Obscured)

95
68
80
41
30
1
0
0
0
0
0
0
0
1
0
88
96
82
96
99
100
99
98
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

Light Rain
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
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

31
27
19
22
33
27
19
10
5
5
3
3
3
3
3
3
3
2
0
0
1
2
2
3

Precipitation Amount (mm)

0.42
0.05
0.17
0.18
0.31
0.29
0.18
0.12
0.04
0.09
0.03
0.01
0.03
0.05
0.05
0.08
0.05
0.01
0
0
0.01
0.03
0.06
0.11

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

24
23
23
23
22
22
22
21
21
20
20
21
22
23
24
25
26
28
29
29
30
29
29
28

Dew Point (°C)

18
18
18
18
18
18
18
18
18
18
18
18
19
19
19
19
19
19
19
19
19
18
18
19

Relative Humidity (%)

74
77
78
78
79
81
82
83
84
86
86
86
85
82
76
73
68
65
61
59
56
54
56
61

Pressure (mb)

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

Ozone (du)

327
331
337
340
340
338
335
332
327
324
322
321
320
318
316
314
312
310
309
308
309
309
310
311

Sunday 18

Waning Gibbous 87%

21:42

09:47

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 Good
19 Good

Sun - Rise: 06:00, Set: 19:54, Transit: 12:57. Moon - Rise: 21:42, Set: 09:47. Civil Dark: 20:28 - 05:28. Nautical Dark: 21:07 - 04:49. Astro Dark: 21:50 - 04:07

Total Clouds (% Sky Obscured)

100
90
100
100
100
94
89
95
99
96
96
99
100
100
99
100
100
92
40
44
80
18
9
2

Low Clouds (% Sky Obscured)

3
11
98
99
100
94
77
57
95
84
63
96
100
100
97
100
100
88
34
13
52
6
0
2

Medium Clouds (% Sky Obscured)

87
66
98
81
17
1
0
0
0
3
4
34
28
13
25
20
13
17
16
39
48
16
9
2

High Clouds (% Sky Obscured)

100
80
83
45
70
11
53
88
81
87
93
97
100
92
94
56
31
49
8
2
47
0
0
0

ISS Passover

Visibility (miles)

9
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
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
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Moderate Rain
Heavy Rain
Heavy Rain
Moderate Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

7
7
6
8
12
22
31
26
14
13
13
12
13
42
47
44
46
35
11
5
5
4
3
2

Precipitation Amount (mm)

0.16
0.17
0.29
0.38
0.32
0.57
0.87
0.59
0.36
0.43
0.34
0.17
0.08
1.75
9.31
15.66
10.23
2.6
0.2
0.08
0.15
0.19
0.1
0.02

Wind Speed/Direction (mph)

5
5
6
6
7
7
7
8
8
8
9
9
10
11
12
13
14
14
15
15
15
14
13
11

Chance of Frost

Temperature (°C)

26
25
24
24
23
23
23
23
22
22
22
22
23
24
25
26
27
27
28
29
29
29
28
27

Feels Like (°C)

26
25
25
24
24
24
23
23
23
22
22
23
23
24
25
26
29
30
31
32
32
31
29
28

Dew Point (°C)

19
19
20
20
20
20
20
20
19
19
20
20
21
21
22
23
23
22
22
22
21
20
19
19

Relative Humidity (%)

67
72
76
79
82
83
84
84
84
86
87
88
89
88
86
84
79
74
69
65
61
59
59
62

Pressure (mb)

1013
1013
1012
1012
1012
1012
1011
1011
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1010
1010
1010
1011

Ozone (du)

312
313
313
312
311
309
307
307
308
308
305
302
301
304
308
312
312
312
311
312
314
315
316
316

Monday 19

Waning Gibbous 80%

22:04

10:49

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 Good
10 Good
11 Good
12 Good
13 Good
14 Good
15 Good
16 Good
17 Good
18 Good
19 Good

Sun - Rise: 06:01, Set: 19:53, Transit: 12:57. Moon - Rise: 22:04, Set: 10:49. Civil Dark: 20:26 - 05:30. Nautical Dark: 21:05 - 04:51. Astro Dark: 21:48 - 04:09

Total Clouds (% Sky Obscured)

9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

6
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)

7
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0

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
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

25
24
23
23
22
21
20
19
18
17
18
18
19
21
23
25
26
27
28
28
29
29
28
27

Feels Like (°C)

26
25
24
23
22
21
20
19
18
17
18
18
19
21
23
25
26
27
28
28
29
29
28
27

Dew Point (°C)

18
18
17
17
16
15
14
14
13
13
13
14
14
14
14
15
15
14
14
14
14
14
14
15

Relative Humidity (%)

65
67
69
70
70
70
70
71
74
76
77
76
73
66
58
53
50
47
44
42
40
41
44
49

Pressure (mb)

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

Ozone (du)

316
316
316
316
315
315
315
314
313
312
312
312
312
313
313
314
315
315
316
316
316
316
317
317

Tuesday 20

Waning Gibbous 72%

22:26

11:51

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

Sun - Rise: 06:03, Set: 19:51, Transit: 12:57. Moon - Rise: 22:26, Set: 11:51. Civil Dark: 20:24 - 05:31. Nautical Dark: 21:03 - 04:53. Astro Dark: 21:45 - 04:11

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
73
73
73
73
73
73

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
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
73
73
73
73
73
73

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
2
2
2

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
0.01
0.01

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

25
24
23
23
22
21
21
20
19
19
19
19
20
22
24
26
27
27
28
28
29
29
28
28

Feels Like (°C)

25
24
24
23
22
21
21
20
19
19
19
19
20
22
24
26
27
28
28
29
30
30
29
28

Dew Point (°C)

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

Relative Humidity (%)

55
60
64
67
69
71
72
72
75
78
79
79
78
72
64
59
57
55
54
52
51
50
52
55

Pressure (mb)

1017
1017
1017
1017
1017
1017
1016
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1013
1012
1012
1011
1011
1010
1010

Ozone (du)

318
318
318
318
318
318
318
316
314
313
312
313
313
313
314
314
313
312
310
309
308
307
306
305

Wednesday 21

Waning Gibbous 62%

22:51

12:55

20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
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
16 OK
17 OK
18 OK
19 OK

Sun - Rise: 06:04, Set: 19:49, Transit: 12:57. Moon - Rise: 22:51, Set: 12:55. Civil Dark: 20:22 - 05:32. Nautical Dark: 21:01 - 04:54. Astro Dark: 21:43 - 04:12

Total Clouds (% Sky Obscured)

17
17
17
17
17
17
100
100
100
100
100
100
59
59
59
59
59
59
17
17
17
17
17
17

Low Clouds (% Sky Obscured)

2
2
2
2
2
2
14
14
14
14
14
14
49
49
49
49
49
49
16
16
16
16
16
16

Medium Clouds (% Sky Obscured)

2
2
2
2
2
2
36
36
36
36
36
36
21
21
21
21
21
21
6
6
6
6
6
6

High Clouds (% Sky Obscured)

15
15
15
15
15
15
100
100
100
100
100
100
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
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

5
12
17
17
12
17
16
19
23
23
18
9
0
0
1
3
3
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.02
0.03
0.07
0.12
0.16
0.19
0.17
0.16
0.42
0.68
0.4
0.07
0
0
0.01
0.01
0.01
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
6
7
7
8
9
10
10
11
11
11
10
11
11
12
13
13
13
13
13
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

18
19
19
20
20
20
20
19
19
19
18
18
18
18
18
18
17
16
15
14
14
13
13
13

Relative Humidity (%)

59
65
72
79
83
86
89
89
90
93
93
92
90
87
82
77
72
65
58
55
54
53
54
56

Pressure (mb)

1010
1010
1009
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1009
1009
1009
1008
1008
1009
1009

Ozone (du)

304
304
305
306
308
311
313
315
316
318
321
324
327
327
326
325
325
325
327
330
335
339
341
342

Thursday 22

Waning Gibbous 52%

23:18

14:00

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
19 Bad

Sun - Rise: 06:05, Set: 19:48, Transit: 12:56. Moon - Rise: 23:18, Set: 14:00. Civil Dark: 20:21 - 05:34. Nautical Dark: 20:59 - 04:56. Astro Dark: 21:41 - 04:14

Total Clouds (% Sky Obscured)

52
52
52
52
52
52
9
9
9
9
9
9
31
31
31
31
31
31
50
50
50
50
50
50

Low Clouds (% Sky Obscured)

6
6
6
6
6
6
0
0
0
0
0
0
6
6
6
6
6
6
16
16
16
16
16
16

Medium Clouds (% Sky Obscured)

52
52
52
52
52
52
9
9
9
9
9
9
29
29
29
29
29
29
21
21
21
21
21
21

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
3
3
3
3
3
3
39
39
39
39
39
39

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
20
20
19
18
18
17
16
15
14
14
14
14
15
16
17
17
17
18
19
19
19
19
18

Feels Like (°C)

21
20
20
19
18
18
17
16
15
14
14
14
14
15
16
17
17
17
18
19
19
19
19
18

Dew Point (°C)

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

Relative Humidity (%)

59
61
64
66
68
69
70
71
75
76
77
78
76
69
62
58
55
51
47
46
46
45
45
46

Pressure (mb)

1010
1010
1011
1011
1012
1012
1012
1013
1013
1014
1014
1015
1015
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1018

Ozone (du)

343
344
344
345
346
348
351
354
358
361
361
359
357
355
353
351
348
345
342
340
339
338
338
338

Friday 23

Third Quarter 41%

23:51

15:07

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 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: 06:06, Set: 19:46, Transit: 12:56. Moon - Rise: 23:51, Set: 15:07. Civil Dark: 20:19 - 05:35. Nautical Dark: 20:57 - 04:57. Astro Dark: 21:38 - 04:16

Total Clouds (% Sky Obscured)

16
16
16
16
16
16
0
0
0
0
0
0
100
100
100
100
100
100
90
90
90
90
90
90

Low Clouds (% Sky Obscured)

3
3
3
3
3
3
0
0
0
0
0
0
0
0
0
0
0
0
13
13
13
13
13
13

Medium Clouds (% Sky Obscured)

16
16
16
16
16
16
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
100
100
100
100
100
100
88
88
88
88
88
88

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 (%)

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

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
18
17
17
17
16
16
15
14
13
14
14
15
17
18
18
19
20
21
22
23
23
22
21

Feels Like (°C)

18
18
17
17
17
16
16
15
14
13
14
14
15
17
18
18
19
20
21
22
23
23
22
21

Dew Point (°C)

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

Relative Humidity (%)

47
48
50
51
53
55
58
62
65
66
67
67
63
57
51
48
46
44
42
40
40
39
41
45

Pressure (mb)

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

Ozone (du)

337
334
329
324
322
320
318
318
318
318
317
315
314
314
315
315
314
312
311
311
312
313
312
310

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

Generated: 17/08/19 20:38:38. Forecast: 17/08/19 to 23/08/19. Timezone: UTC-4.00