Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waning Gibbous 94%

22:28

07:26

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: 20:28, Transit: 12:51. Moon - Rise: 22:28, Set: 07:26. Civil Dark: 21:05 - 04:37. Nautical Dark: 21:52 - 03:49. Astro Dark: 22:52 - 02:49

Total Clouds (% Sky Obscured)

77
100
100
99
58
93
48
30
49
100
96
78
100
73
63
53
89
89
95
97
100
100
100
100

Low Clouds (% Sky Obscured)

64
100
100
91
57
63
20
30
35
100
96
78
100
69
12
51
73
88
81
97
100
100
100
100

Medium Clouds (% Sky Obscured)

1
0
0
0
22
89
44
6
39
2
0
0
0
2
9
6
0
0
2
9
12
38
73
98

High Clouds (% Sky Obscured)

36
0
59
93
3
0
0
0
0
0
0
0
0
18
56
1
66
13
75
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

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

Precipitation Probability (%)

19
22
20
22
21
21
21
26
21
22
18
18
15
14
17
10
6
5
5
5
5
6
6
9

Precipitation Amount (mm)

0.06
0.1
0.08
0.11
0.21
0.25
0.29
0.49
0.36
0.22
0.09
0.08
0.04
0.04
0.08
0.05
0.02
0.02
0.01
0.01
0.01
0.01
0.02
0.03

Wind Speed/Direction (mph)

3
3
5
8
10
11
12
13
14
13
11
10
10
11
11
11
11
11
11
11
11
11
12
12

Chance of Frost

Temperature (°C)

13
13
13
14
17
18
18
17
15
13
11
10
9
8
7
7
6
5
4
4
3
3
3
4

Feels Like (°C)

13
13
13
14
17
18
18
17
15
13
11
8
6
5
4
3
2
1
1
-0
-1
-1
-1
-1

Dew Point (°C)

12
13
13
14
14
13
13
12
11
10
9
8
7
7
6
5
4
3
3
2
2
1
1
1

Relative Humidity (%)

96
97
99
95
82
76
72
74
74
80
86
90
91
91
91
91
90
90
90
90
90
90
88
85

Pressure (mb)

1003
1002
1002
1001
1001
1000
1000
1000
1000
1001
1001
1002
1003
1004
1005
1005
1005
1006
1006
1006
1007
1007
1007
1008

Ozone (du)

341
339
338
340
343
349
359
371
377
369
354
343
339
339
340
344
350
356
359
362
365
369
374
377

Tuesday 21

Waning Gibbous 87%

23:25

08:17

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 OK
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 OK

Sun - Rise: 05:12, Set: 20:29, Transit: 12:51. Moon - Rise: 23:25, Set: 08:17. Civil Dark: 21:06 - 04:36. Nautical Dark: 21:54 - 03:48. Astro Dark: 22:54 - 02:47

Total Clouds (% Sky Obscured)

93
85
90
95
85
84
90
83
88
69
62
45
4
30
15
4
1
1
1
0
0
0
8
38

Low Clouds (% Sky Obscured)

91
70
88
92
26
35
22
15
36
34
36
27
4
30
14
4
1
1
1
0
0
0
8
38

Medium Clouds (% Sky Obscured)

51
78
76
77
83
82
89
81
87
68
60
40
0
9
3
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

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
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

9
8
9
13
19
20
14
9
8
7
6
4
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.03
0.04
0.06
0.09
0.15
0.17
0.12
0.05
0.02
0.02
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
15
16
17
17
18
18
19
19
18
16
14
12
11
10
9
9
9
8
8
8
8
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
2
2
2
2
2
2
2
2
2
2
2
1
1
1
1
1
1
1
1
1
1
1
2

Relative Humidity (%)

81
79
78
77
76
73
70
65
61
59
59
61
65
70
74
76
76
76
79
82
84
81
76
69

Pressure (mb)

1008
1008
1008
1008
1009
1009
1010
1010
1011
1012
1013
1015
1016
1017
1018
1018
1019
1019
1020
1020
1021
1022
1023
1023

Ozone (du)

377
376
376
376
378
379
381
383
385
386
387
387
386
384
383
384
386
387
386
385
383
380
377
372

Wednesday 22

Waning Gibbous 80%

00:14

No Set

09 Good
10 Good
11 Good
12 Good
13 Good
14 Good
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: 05:11, Set: 20:31, Transit: 12:51. Moon - Rise: 00:14, Set: No Set. Civil Dark: 21:07 - 04:35. Nautical Dark: 21:55 - 03:46. Astro Dark: 22:56 - 02:45

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
52
100
100
100
99
81
94
100
100
83
99
99
99
99
99
99
93

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
0
0
0
0
1
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
14
77
90
85
100
83
99
99
99
99
99
99
19

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
52
100
100
100
99
49
91
100
60
1
0
0
0
0
0
0
92

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
3
3
2
2
2
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.01
0.01
0.01
0
0
0.02
0.09
0.15
0.11
0.05
0.02
0.01
0
0

Wind Speed/Direction (mph)

9
10
10
10
10
9
8
8
7
5
4
3
3
3
3
3
2
2
2
2
3
3
4
5

Chance of Frost

Temperature (°C)

8
10
11
13
14
15
16
17
17
15
14
12
11
10
9
8
8
8
8
7
7
8
9
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
54
49
45
42
38
36
35
36
41
49
56
61
62
64
67
70
72
74
75
76
75
72
68

Pressure (mb)

1024
1024
1023
1023
1023
1023
1022
1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022

Ozone (du)

366
358
351
346
343
339
336
333
332
333
335
338
341
344
347
350
354
358
362
366
369
369
367
365

Thursday 23

Waning Gibbous 71%

00:55

09:12

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 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good

Sun - Rise: 05:11, Set: 20:32, Transit: 12:52. Moon - Rise: 00:55, Set: 09:12. Civil Dark: 21:08 - 04:34. Nautical Dark: 21:57 - 03:45. Astro Dark: 22:58 - 02:43

Total Clouds (% Sky Obscured)

93
93
93
93
93
59
59
59
59
59
59
100
100
100
100
100
100
2
2
2
2
2
2
1

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
2
2
2
0

Medium Clouds (% Sky Obscured)

19
19
19
19
19
59
59
59
59
59
59
16
16
16
16
16
16
0
0
0
0
0
0
1

High Clouds (% Sky Obscured)

92
92
92
92
92
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
10
8
6
7
9
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
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
None
None
None

Precipitation Probability (%)

0
2
1
0
0
0
0
0
4
8
13
20
36
43
43
34
17
8
5
0
0
0
0
0

Precipitation Amount (mm)

0
0.01
0.01
0
0
0
0
0
0.01
0.03
0.06
0.1
0.2
0.27
0.28
0.2
0.09
0.03
0.01
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
7
8
8
8
8
8
8
7
7
7
7
7
8
7
7
6
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

12
13
14
15
16
17
17
16
15
14
13
12
11
10
10
10
10
9
9
8
7
8
10
11

Feels Like (°C)

12
13
14
15
16
17
17
16
15
14
13
12
11
10
8
8
8
8
7
6
6
7
8
11

Dew Point (°C)

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

Relative Humidity (%)

63
59
55
53
50
49
49
52
56
62
66
71
83
87
91
90
88
87
88
91
94
91
86
79

Pressure (mb)

1022
1021
1020
1019
1018
1017
1017
1016
1015
1015
1014
1014
1013
1013
1013
1013
1013
1013
1014
1014
1015
1016
1016
1017

Ozone (du)

363
360
358
358
358
359
361
364
366
367
367
366
364
362
361
363
366
366
360
352
347
348
353
355

Friday 24

Waning Gibbous 62%

01:29

10:11

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 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad

Sun - Rise: 05:10, Set: 20:33, Transit: 12:52. Moon - Rise: 01:29, Set: 10:11. Civil Dark: 21:10 - 04:33. Nautical Dark: 21:58 - 03:44. Astro Dark: 23:01 - 02:40

Total Clouds (% Sky Obscured)

1
1
1
1
1
99
99
99
99
99
99
100
100
100
100
100
100
98
98
98
98
98
98
99

Low Clouds (% Sky Obscured)

0
0
0
0
0
3
3
3
3
3
3
0
0
0
0
0
0
0
0
0
0
0
0
15

Medium Clouds (% Sky Obscured)

1
1
1
1
1
99
99
99
99
99
99
10
10
10
10
10
10
72
72
72
72
72
72
52

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
100
100
100
100
100
100
97
97
97
97
97
97
98

ISS Passover

Visibility (miles)

10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
10
8
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
1
1
2
3
3
2
1
0
0
2
4
14
33
60
59
46
33

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.01
0.01
0.02
0.04
0.05
0.03
0.01
0
0
0.01
0.04
0.28
0.94
1.41
0.91
0.26
0.09

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
63
57
54
51
50
51
55
59
66
72
80
87
91
95
97
97
97
98
100
100
100
100
99

Pressure (mb)

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

Ozone (du)

353
350
346
343
340
338
336
334
332
328
324
320
317
315
314
312
311
311
312
314
316
317
317
317

Saturday 25

Waning Gibbous 52%

01:59

11:12

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: 05:09, Set: 20:34, Transit: 12:52. Moon - Rise: 01:59, Set: 11:12. Civil Dark: 21:11 - 04:32. Nautical Dark: 22:00 - 03:42. Astro Dark: 23:03 - 02:38

Total Clouds (% Sky Obscured)

99
99
99
99
99
100
100
100
100
100
100
88
88
88
88
88
88
99
99
99
99
99
99
38

Low Clouds (% Sky Obscured)

15
15
15
15
15
100
100
100
100
100
100
84
84
84
84
84
84
99
99
99
99
99
99
38

Medium Clouds (% Sky Obscured)

52
52
52
52
52
99
99
99
99
99
99
52
52
52
52
52
52
35
35
35
35
35
35
0

High Clouds (% Sky Obscured)

98
98
98
98
98
100
100
100
100
100
100
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

10
10
10
10
10
10
7
4
1
1
1
2
2
3
4
7
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
Light 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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

33
41
48
50
49
52
62
61
54
41
26
19
17
20
21
18
14
11
9
7
0
0
4
4

Precipitation Amount (mm)

0.1
0.18
0.28
0.29
0.26
0.29
0.57
1.21
1.6
1.03
0.34
0.12
0.1
0.11
0.14
0.14
0.12
0.1
0.05
0.01
0
0
0.01
0.02

Wind Speed/Direction (mph)

6
6
6
7
8
8
8
6
6
6
6
7
7
7
7
7
7
6
6
6
7
7
8
8

Chance of Frost

Temperature (°C)

12
13
13
13
14
14
15
16
16
16
15
15
15
15
15
14
14
14
13
12
11
11
12
13

Feels Like (°C)

12
13
13
13
14
14
15
16
16
16
15
15
15
15
15
14
14
14
13
12
11
11
12
13

Dew Point (°C)

12
12
12
13
13
13
13
13
13
13
14
14
14
15
15
14
14
14
13
12
11
11
12
12

Relative Humidity (%)

97
96
95
96
95
94
89
84
82
85
89
94
96
100
100
100
100
100
100
100
100
100
98
93

Pressure (mb)

1016
1015
1014
1014
1013
1012
1011
1011
1010
1010
1009
1009
1008
1008
1008
1008
1008
1007
1008
1008
1009
1009
1010
1011

Ozone (du)

318
319
320
321
322
324
328
333
339
344
350
354
354
353
353
355
357
359
361
362
362
362
361
360

Sunday 26

Third Quarter 43%

02:24

12:14

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

Sun - Rise: 05:08, Set: 20:35, Transit: 12:52. Moon - Rise: 02:24, Set: 12:14. Civil Dark: 21:12 - 04:31. Nautical Dark: 22:01 - 03:41. Astro Dark: 23:05 - 02:37

Total Clouds (% Sky Obscured)

38
38
38
38
38
91
91
91
91
91
91
29
29
29
29
29
29
3
3
3
3
3
3
9

Low Clouds (% Sky Obscured)

38
38
38
38
38
0
0
0
0
0
0
26
26
26
26
26
26
2
2
2
2
2
2
9

Medium Clouds (% Sky Obscured)

0
0
0
0
0
91
91
91
91
91
91
10
10
10
10
10
10
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
Light Rain

Precipitation Probability (%)

3
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
5
8

Precipitation Amount (mm)

0.02
0.02
0.01
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.03
0.23
0.8
1.37

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
82
75
63
51
43
39
39
40
47
56
65
69
72
75
76
78
80
83
86
87
85
81
76

Pressure (mb)

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

Ozone (du)

361
362
363
363
362
362
361
361
360
360
360
360
358
357
354
351
347
344
343
343
343
343
344
344

Forecast for Saint-Zénon, QC J0K, Canada (46.57,-73.80)

Generated: 20/05/19 09:31:14. Forecast: 20/05/19 to 26/05/19. Timezone: UTC-4.00