Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waning Gibbous 94%

22:21

07:31

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

Sun - Rise: 05:18, Set: 20:22, Transit: 12:50. Moon - Rise: 22:21, Set: 07:31. Civil Dark: 20:57 - 04:43. Nautical Dark: 21:42 - 03:57. Astro Dark: 22:36 - 03:03

Total Clouds (% Sky Obscured)

69
99
91
20
14
5
2
34
16
26
93
100
97
100
100
100
97
91
61
42
59
88
73
80

Low Clouds (% Sky Obscured)

24
98
30
13
7
2
1
32
9
4
72
100
95
100
100
94
16
18
3
42
59
88
73
80

Medium Clouds (% Sky Obscured)

28
86
83
14
12
4
1
14
11
24
90
100
95
98
100
100
97
91
60
2
7
6
2
1

High Clouds (% Sky Obscured)

54
12
48
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

Precipitation Type

None
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
None
None
None

Precipitation Probability (%)

2
8
14
19
14
11
12
10
8
7
7
9
11
22
33
38
34
26
13
9
7
5
4
4

Precipitation Amount (mm)

0.08
0.15
0.35
0.26
0.14
0.09
0.08
0.09
0.06
0.05
0.04
0.06
0.05
0.12
0.28
0.3
0.28
0.24
0.14
0.04
0.01
0.01
0.01
0.01

Wind Speed/Direction (mph)

4
6
9
12
14
16
17
18
18
15
12
12
10
11
12
12
13
13
13
13
13
14
15
16

Chance of Frost

Temperature (°C)

19
20
21
22
23
23
23
22
21
20
18
17
15
14
13
12
11
11
10
9
9
9
8
8

Feels Like (°C)

20
20
21
22
23
23
23
22
21
20
18
17
15
14
13
12
11
11
7
7
6
5
5
5

Dew Point (°C)

17
17
17
17
16
15
14
13
12
12
11
11
10
9
9
9
9
8
7
6
6
5
4
4

Relative Humidity (%)

87
84
79
72
66
60
58
58
58
60
63
67
70
74
79
82
84
85
84
82
80
78
77
74

Pressure (mb)

1004
1004
1003
1003
1003
1003
1003
1003
1003
1003
1003
1004
1005
1005
1006
1006
1006
1007
1007
1008
1009
1009
1010
1010

Ozone (du)

337
338
338
338
337
338
343
350
355
355
353
352
352
354
356
361
367
371
370
366
365
369
374
379

Tuesday 21

Waning Gibbous 87%

23:18

08:22

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 Good
22 Bad
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good

Sun - Rise: 05:17, Set: 20:23, Transit: 12:50. Moon - Rise: 23:18, Set: 08:22. Civil Dark: 20:58 - 04:42. Nautical Dark: 21:44 - 03:56. Astro Dark: 22:38 - 03:01

Total Clouds (% Sky Obscured)

100
100
100
100
82
81
81
53
45
57
49
52
15
47
15
0
3
6
1
0
0
0
0
0

Low Clouds (% Sky Obscured)

100
100
100
100
81
46
73
7
5
20
4
2
5
20
0
0
3
6
1
0
0
0
0
0

Medium Clouds (% Sky Obscured)

19
27
24
79
55
78
77
53
45
56
49
52
14
46
15
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

4
0
3
3
4
6
5
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.01
0
0.01
0.01
0.02
0.02
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

17
17
18
19
21
22
22
22
22
19
17
14
13
12
12
10
9
8
8
7
7
7
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
6
6
6
11
12
13
14
14
15
14
13
13
12
11
10
7
6
5
4
4
5
7
10

Dew Point (°C)

4
4
4
4
4
4
4
4
4
4
4
4
4
3
3
3
3
2
2
2
2
3
3
4

Relative Humidity (%)

72
70
69
68
64
60
56
52
49
48
49
52
54
56
58
61
64
67
70
72
73
73
70
66

Pressure (mb)

1010
1010
1010
1010
1010
1011
1011
1011
1012
1012
1013
1014
1015
1016
1017
1018
1018
1019
1019
1020
1021
1022
1022
1023

Ozone (du)

382
383
384
385
385
384
383
381
380
378
376
375
376
378
378
377
375
373
371
369
366
363
358
354

Wednesday 22

Waning Gibbous 80%

00:07

No Set

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

Sun - Rise: 05:16, Set: 20:24, Transit: 12:51. Moon - Rise: 00:07, Set: No Set. Civil Dark: 21:00 - 04:41. Nautical Dark: 21:45 - 03:55. Astro Dark: 22:40 - 02:59

Total Clouds (% Sky Obscured)

6
8
6
38
40
50
16
99
97
70
92
97
100
100
100
100
88
81
81
81
81
81
81
94

Low Clouds (% Sky Obscured)

6
8
6
38
40
50
1
0
2
2
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
12
85
100
75
100
100
84
70
70
70
70
70
70
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
16
99
97
70
92
97
100
100
21
4
29
39
39
39
39
39
39
94

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

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0
0
0.01
0.05
0.08
0.05
0.01
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
55
52
50
47
44
42
40
41
44
50
56
60
60
61
63
65
67
68
69
70
70
69
67

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1022

Ozone (du)

348
343
339
336
334
333
331
329
329
330
333
335
334
332
331
331
332
333
337
341
344
344
344
343

Thursday 23

Waning Gibbous 71%

00:49

09:17

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

Sun - Rise: 05:15, Set: 20:25, Transit: 12:51. Moon - Rise: 00:49, Set: 09:17. Civil Dark: 21:01 - 04:40. Nautical Dark: 21:46 - 03:54. Astro Dark: 22:42 - 02:57

Total Clouds (% Sky Obscured)

94
94
94
94
94
33
33
33
33
33
33
100
100
100
100
100
100
14
14
14
14
14
14
41

Low Clouds (% Sky Obscured)

0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
14
14
14
14
14
14
40

Medium Clouds (% Sky Obscured)

1
1
1
1
1
33
33
33
33
33
33
98
98
98
98
98
98
1
1
1
1
1
1
7

High Clouds (% Sky Obscured)

94
94
94
94
94
0
0
0
0
0
0
100
100
100
100
100
100
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
7
4
2
1
1
2
4
7
9
10
9
9

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
1
1
0
0
0
0
0
0
8
32
59
78
80
82
83
81
71
53
34
25
20
17
15

Precipitation Amount (mm)

0
0.01
0.01
0
0
0
0
0
0
0.12
0.68
1.34
2.43
2.67
2.7
2.12
1.27
0.7
0.39
0.21
0.12
0.08
0.08
0.07

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
55
52
52
52
52
50
51
53
57
65
74
92
93
94
95
95
95
96
96
97
98
98
97

Pressure (mb)

1022
1021
1020
1019
1018
1017
1017
1016
1015
1014
1013
1013
1011
1011
1011
1010
1010
1011
1011
1011
1012
1013
1014
1015

Ozone (du)

343
343
343
342
341
341
342
343
346
351
357
361
361
359
358
359
362
363
360
355
352
352
353
352

Friday 24

Waning Gibbous 62%

01:24

10:15

09 Bad
10 Bad
11 Bad
12 Bad
13 OK
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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:14, Set: 20:26, Transit: 12:51. Moon - Rise: 01:24, Set: 10:15. Civil Dark: 21:02 - 04:39. Nautical Dark: 21:48 - 03:52. Astro Dark: 22:44 - 02:56

Total Clouds (% Sky Obscured)

41
41
41
41
41
61
61
61
61
61
61
100
100
100
100
100
100
100
100
100
100
100
100
51

Low Clouds (% Sky Obscured)

40
40
40
40
40
49
49
49
49
49
49
0
0
0
0
0
0
2
2
2
2
2
2
0

Medium Clouds (% Sky Obscured)

7
7
7
7
7
56
56
56
56
56
56
0
0
0
0
0
0
100
100
100
100
100
100
15

High Clouds (% Sky Obscured)

0
0
0
0
0
3
3
3
3
3
3
100
100
100
100
100
100
98
98
98
98
98
98
44

ISS Passover

Visibility (miles)

8
7
7
9
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

12
14
16
11
5
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.06
0.08
0.1
0.08
0.04
0.02
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
92
92
91
87
83
76
70
67
68
71
76
78
78
79
79
79
79
80
81
82
81
81
79

Pressure (mb)

1016
1017
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1018
1018

Ozone (du)

349
344
340
338
337
336
334
333
331
327
323
320
318
316
315
313
312
311
312
313
314
315
315
316

Saturday 25

Waning Gibbous 52%

01:54

11:16

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:13, Set: 20:27, Transit: 12:51. Moon - Rise: 01:54, Set: 11:16. Civil Dark: 21:03 - 04:38. Nautical Dark: 21:49 - 03:51. Astro Dark: 22:46 - 02:54

Total Clouds (% Sky Obscured)

51
51
51
51
51
100
100
100
100
100
100
98
98
98
98
98
98
40
40
40
40
40
40
91

Low Clouds (% Sky Obscured)

0
0
0
0
0
60
60
60
60
60
60
81
81
81
81
81
81
5
5
5
5
5
5
17

Medium Clouds (% Sky Obscured)

15
15
15
15
15
62
62
62
62
62
62
73
73
73
73
73
73
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

44
44
44
44
44
100
100
100
100
100
100
97
97
97
97
97
97
38
38
38
38
38
38
89

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
6
4
3
3
5
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
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

0
0
4
7
19
30
41
59
65
48
28
14
7
6
5
5
7
7
8
7
5
3
3
3

Precipitation Amount (mm)

0
0
0.02
0.05
0.14
0.25
0.44
0.75
0.97
0.84
0.55
0.32
0.15
0.04
0.01
0.01
0.04
0.06
0.05
0.02
0.01
0.01
0.01
0.01

Wind Speed/Direction (mph)

11
11
11
10
10
10
10
10
10
9
7
6
6
7
7
7
7
7
8
8
8
8
9
9

Chance of Frost

Temperature (°C)

16
18
19
18
18
17
17
17
17
17
17
18
18
18
18
18
18
18
18
17
16
17
17
17

Feels Like (°C)

16
18
19
18
18
17
17
17
17
17
17
18
18
18
18
18
18
18
18
17
17
17
17
17

Dew Point (°C)

12
13
14
14
14
14
14
15
15
15
16
16
16
16
16
16
17
17
16
16
15
15
15
15

Relative Humidity (%)

76
72
71
74
77
81
85
88
90
91
90
90
90
90
90
90
91
91
92
93
93
92
90
86

Pressure (mb)

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

Ozone (du)

317
318
319
318
317
316
318
320
323
327
331
334
335
335
335
335
336
338
342
346
350
352
353
354

Sunday 26

Third Quarter 43%

02:21

12:16

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Good

Sun - Rise: 05:13, Set: 20:28, Transit: 12:51. Moon - Rise: 02:21, Set: 12:16. Civil Dark: 21:04 - 04:37. Nautical Dark: 21:51 - 03:50. Astro Dark: 22:48 - 02:52

Total Clouds (% Sky Obscured)

91
91
91
91
91
57
57
57
57
57
57
60
60
60
60
60
60
98
98
98
98
98
98
2

Low Clouds (% Sky Obscured)

17
17
17
17
17
16
16
16
16
16
16
22
22
22
22
22
22
16
16
16
16
16
16
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
36
36
36
36
36
36
59
59
59
59
59
59
26
26
26
26
26
26
2

High Clouds (% Sky Obscured)

89
89
89
89
89
31
31
31
31
31
31
0
0
0
0
0
0
97
97
97
97
97
97
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

3
3
3
2
2
2
2
1
2
2
3
4
6
8
9
10
13
14
12
8
3
2
0
0

Precipitation Amount (mm)

0.01
0.01
0.01
0.02
0.03
0.05
0.05
0.05
0.04
0.04
0.12
0.28
0.54
0.96
1.31
1.38
1.23
0.96
0.54
0.19
0.05
0.02
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

15
15
15
15
15
14
14
14
14
14
14
15
14
14
14
14
13
13
13
12
12
12
13
13

Relative Humidity (%)

82
78
76
74
71
67
63
60
60
63
69
74
80
85
89
91
91
91
91
91
90
88
86
83

Pressure (mb)

1012
1012
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1013
1013
1013
1012
1012
1012
1011
1011
1011
1011
1011
1012

Ozone (du)

355
356
357
355
354
352
352
353
353
352
350
349
346
343
341
340
339
338
338
337
336
335
333
332

Forecast for Hemmingford, Les Jardins-de-Napierville Regional County Municipality, CA (45.05,-73.58)

Generated: 20/05/19 09:19:07. Forecast: 20/05/19 to 26/05/19. Timezone: UTC-4.00