Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 22

Waning Gibbous 85%

00:09

08:20

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

Sun - Rise: 05:15, Set: 20:26, Transit: 12:51. Moon - Rise: 00:09, Set: 08:20. Civil Dark: 21:01 - 04:40. Nautical Dark: 21:48 - 03:52. Astro Dark: 22:44 - 02:55

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
92
93
99
91
91
42
3
84
14
37
98
65
93
100
93
97

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
10
2
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
73
93
0
0
0
0
75
12
37
98
64
93
100
85
94

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
91
69
95
91
91
42
3
82
5
0
2
5
6
38
67
61

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
None
None
None
None
None

Precipitation Probability (%)

0
3
0
0
0
0
0
0
0
1
1
0
1
1
0
0
0
0
1
1
1
0
0
0

Precipitation Amount (mm)

0
0.01
0
0
0
0
0
0
0
0.03
0.05
0
0.03
0.01
0
0
0
0
0.01
0.01
0.01
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
10
10
11
12
13
15
16
17
18
19
19
20
20
20
20
18
17
17
16
16
15
15
14

Feels Like (°C)

11
10
10
11
12
13
15
16
17
18
19
19
20
20
20
20
18
17
17
16
16
15
15
14

Dew Point (°C)

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

Relative Humidity (%)

62
64
64
60
55
52
48
45
42
40
39
37
36
36
38
43
48
52
53
54
55
56
56
58

Pressure (mb)

1022
1022
1023
1024
1024
1025
1025
1025
1025
1024
1024
1024
1024
1023
1023
1022
1022
1022
1023
1023
1023
1023
1022
1022

Ozone (du)

355
350
346
342
338
334
329
326
323
320
318
315
313
311
310
310
311
312
314
316
317
318
320
321

Thursday 23

Waning Gibbous 80%

00:50

09:15

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: 05:14, Set: 20:27, Transit: 12:51. Moon - Rise: 00:50, Set: 09:15. Civil Dark: 21:03 - 04:39. Nautical Dark: 21:49 - 03:51. Astro Dark: 22:46 - 02:53

Total Clouds (% Sky Obscured)

100
100
98
81
92
100
100
100
100
100
100
98
95
99
100
100
100
100
38
87
86
100
100
74

Low Clouds (% Sky Obscured)

0
0
0
2
1
0
1
2
1
0
0
1
21
1
38
0
15
100
29
86
85
100
100
70

Medium Clouds (% Sky Obscured)

100
99
84
68
6
5
6
83
100
100
100
96
77
92
97
98
100
74
23
8
6
1
14
45

High Clouds (% Sky Obscured)

84
88
86
71
91
100
100
100
100
100
99
84
84
98
100
100
98
0
2
0
0
6
2
2

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
9
6
4
6
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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
1
0
0
0
0
0
0
1
2
3
7
15
24
31
46
56
66
76
78
70
61
53
44

Precipitation Amount (mm)

0
0.01
0
0
0
0
0
0
0.01
0.03
0.08
0.13
0.21
0.33
0.74
1.78
2.86
3.27
3.75
4.01
3.15
2.13
1.55
0.77

Wind Speed/Direction (mph)

7
7
7
7
7
8
8
9
9
10
10
11
13
14
14
13
13
13
13
14
14
8
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
62
62
61
60
57
53
51
51
55
59
64
69
74
77
80
81
83
85
86
86
85
84
84

Pressure (mb)

1021
1020
1020
1020
1019
1019
1018
1017
1016
1015
1013
1012
1010
1009
1007
1006
1005
1004
1003
1002
1002
1001
1001
1002

Ozone (du)

323
324
326
327
328
328
329
329
329
330
331
332
334
339
349
361
371
378
383
386
388
389
388
385

Friday 24

Waning Gibbous 71%

01:25

10:14

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

Sun - Rise: 05:13, Set: 20:28, Transit: 12:51. Moon - Rise: 01:25, Set: 10:14. Civil Dark: 21:04 - 04:38. Nautical Dark: 21:51 - 03:50. Astro Dark: 22:48 - 02:51

Total Clouds (% Sky Obscured)

100
100
100
100
92
100
100
100
95
35
35
83
40
31
50
89
99
90
57
93
95
75
91
91

Low Clouds (% Sky Obscured)

100
100
100
100
91
100
100
100
95
34
35
78
4
0
4
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

20
10
45
10
43
1
17
11
7
7
4
77
40
31
50
68
87
84
40
13
2
0
0
0

High Clouds (% Sky Obscured)

100
99
77
13
0
0
0
0
0
0
0
0
0
0
0
66
92
24
29
91
95
75
91
91

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

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
None

Precipitation Probability (%)

21
17
16
14
15
10
6
5
4
3
3
2
3
3
2
0
0
0
0
2
2
2
0
0

Precipitation Amount (mm)

0.17
0.03
0.03
0.05
0.08
0.05
0.02
0.01
0.01
0.01
0.01
0.01
0.01
0.02
0.01
0
0
0
0
0.01
0.01
0.01
0
0

Wind Speed/Direction (mph)

13
12
12
13
13
14
14
13
13
12
11
10
9
7
6
4
3
3
4
4
4
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
12
12
12
12
11
11
11
11
11
11
11
11
11
12
12
12
11
11
11
10
10
10

Relative Humidity (%)

85
86
85
84
82
79
74
71
70
68
66
62
58
56
56
59
63
66
70
72
74
75
76
78

Pressure (mb)

1002
1003
1004
1006
1007
1009
1010
1011
1012
1013
1014
1015
1015
1016
1016
1017
1017
1018
1018
1018
1019
1019
1019
1019

Ozone (du)

380
376
373
372
370
369
369
368
365
362
359
356
353
350
346
341
337
335
333
331
330
329
327
326

Saturday 25

Waning Gibbous 62%

01:55

11:14

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: 05:13, Set: 20:29, Transit: 12:51. Moon - Rise: 01:55, Set: 11:14. Civil Dark: 21:05 - 04:37. Nautical Dark: 21:52 - 03:48. Astro Dark: 22:50 - 02:49

Total Clouds (% Sky Obscured)

91
91
91
91
100
100
100
100
100
100
99
99
99
99
99
99
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
2
2
2
2
2
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
96
96
96
96
96
96
79
79
79
79
79
79
72
72
72
72
72
72
1
1

High Clouds (% Sky Obscured)

91
91
91
91
100
100
100
100
100
100
98
98
98
98
98
98
19
19
19
19
19
19
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
8
5
4
4
5
4
4
4
4
4
4
7

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
Very Light Rain
Very Light Rain
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
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

2
3
2
0
0
3
6
11
11
15
30
21
43
57
66
72
73
55
43
36
27
9
6
6

Precipitation Amount (mm)

0.01
0.02
0.01
0
0
0.03
0.19
0.38
0.42
0.37
0.34
0.1
0.35
0.62
0.71
0.68
0.68
0.85
1.1
1.13
0.69
0.22
0.05
0.02

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
10
11
11
12
13
13
13
13
13
13
13
14
14
14
14
15
15
15
15
15
15
16

Relative Humidity (%)

80
81
80
79
79
78
75
74
72
69
67
60
65
69
72
74
75
78
81
84
86
87
88
90

Pressure (mb)

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

Ozone (du)

325
324
324
323
322
319
317
314
312
311
310
309
309
308
308
308
309
310
311
315
323
333
341
343

Sunday 26

Third Quarter 52%

02:21

12:15

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: 05:12, Set: 20:30, Transit: 12:51. Moon - Rise: 02:21, Set: 12:15. Civil Dark: 21:06 - 04:36. Nautical Dark: 21:53 - 03:47. Astro Dark: 22:52 - 02:48

Total Clouds (% Sky Obscured)

100
100
100
100
55
55
55
55
55
55
78
78
78
78
78
78
19
19
19
19
19
19
2
2

Low Clouds (% Sky Obscured)

100
100
100
100
54
54
54
54
54
54
77
77
77
77
77
77
19
19
19
19
19
19
2
2

Medium Clouds (% Sky Obscured)

1
1
1
1
6
6
6
6
6
6
46
46
46
46
46
46
5
5
5
5
5
5
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

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

Precipitation Probability (%)

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

Precipitation Amount (mm)

0.04
0.07
0.07
0.05
0.04
0.04
0.03
0.02
0.03
0.06
0.08
0.05
0.01
0
0
0
0.01
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
8
9
10
11
12
12
13
13
13
13
13
13
13
12
10
9
8
7
7
5
4
3
2

Chance of Frost

Temperature (°C)

17
18
18
18
19
19
19
19
19
20
20
21
22
22
22
21
21
20
19
18
17
16
16
15

Feels Like (°C)

18
18
18
19
19
19
19
19
19
20
20
21
22
22
22
21
21
20
19
18
17
16
16
15

Dew Point (°C)

16
16
16
17
17
16
16
15
15
15
15
15
14
13
13
13
12
12
11
10
10
10
9
9

Relative Humidity (%)

91
90
90
89
88
85
81
79
78
75
71
66
61
58
57
59
60
60
61
61
62
64
66
69

Pressure (mb)

1007
1007
1007
1007
1007
1008
1008
1008
1008
1008
1009
1009
1009
1010
1010
1011
1011
1012
1012
1013
1013
1013
1013
1013

Ozone (du)

343
344
347
351
355
360
365
368
367
365
361
357
353
349
348
348
347
345
343
341
341
342
342
343

Monday 27

Waning Crescent 43%

02:45

13:17

04 Good
05 Good
06 Good
07 Good
08 OK
09 OK
10 OK
11 OK
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 Good
03 Good

Sun - Rise: 05:11, Set: 20:31, Transit: 12:51. Moon - Rise: 02:45, Set: 13:17. Civil Dark: 21:07 - 04:35. Nautical Dark: 21:55 - 03:46. Astro Dark: 22:54 - 02:46

Total Clouds (% Sky Obscured)

2
2
2
2
47
47
47
47
47
47
80
80
80
80
80
80
37
37
37
37
37
37
0
0

Low Clouds (% Sky Obscured)

2
2
2
2
0
0
0
0
0
0
1
1
1
1
1
1
13
13
13
13
13
13
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
59
59
59
59
59
59
26
26
26
26
26
26
0
0

High Clouds (% Sky Obscured)

0
0
0
0
47
47
47
47
47
47
73
73
73
73
73
73
23
23
23
23
23
23
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
8
7
7
9
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
6
25
52
42
22
10
2
2
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.09
0.49
0.85
0.66
0.3
0.13
0.05
0.01
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
2
3
3
4
3
8
10
13
16
17
17
14
12
11
9
8
7
7
6
3
6
6
5

Chance of Frost

Temperature (°C)

14
13
14
15
17
18
20
21
21
20
19
17
15
14
14
14
14
13
13
12
11
10
10
9

Feels Like (°C)

14
13
14
15
17
18
20
21
21
20
19
17
15
14
14
14
14
13
13
12
11
10
9
8

Dew Point (°C)

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

Relative Humidity (%)

70
71
70
68
64
62
59
58
61
66
68
67
64
60
56
53
51
51
52
53
53
52
52
53

Pressure (mb)

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

Ozone (du)

343
343
344
346
347
347
348
347
346
345
346
351
358
364
367
369
370
372
374
375
374
373
372
373

Tuesday 28

Waning Crescent 33%

03:08

14:18

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

Sun - Rise: 05:10, Set: 20:32, Transit: 12:51. Moon - Rise: 03:08, Set: 14:18. Civil Dark: 21:08 - 04:34. Nautical Dark: 21:56 - 03:45. Astro Dark: 22:56 - 02:44

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
100
100
100
100
100
100
72
72
72
72
72
72
9
9

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
100
100
100
100
100
100
68
68
68
68
68
68
1
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
14
14
14
14
14
8
8

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
9
7
6

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
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
19
34
35

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.07
0.38
0.73
0.73

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
8
8
9
11
12
13
14
14
15
16
17
18
18
18
18
17
16
15
15
14
13
12
12

Feels Like (°C)

7
7
8
9
11
12
13
14
14
15
16
17
18
18
18
18
17
16
15
15
14
13
12
12

Dew Point (°C)

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

Relative Humidity (%)

53
54
53
52
50
48
45
43
41
39
37
37
37
38
40
44
46
48
48
50
53
56
60
63

Pressure (mb)

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

Ozone (du)

373
375
377
380
381
377
372
367
362
358
354
350
345
342
338
336
333
331
328
327
327
328
327
324

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

Generated: 22/05/19 04:44:16. Forecast: 22/05/19 to 28/05/19. Timezone: UTC-4.00