Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 22

Waning Gibbous 93%

21:17

08:35

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

Sun - Rise: 06:50, Set: 19:11, Transit: 13:00. Moon - Rise: 21:17, Set: 08:35. Civil Dark: 19:40 - 06:20. Nautical Dark: 20:14 - 05:45. Astro Dark: 20:50 - 05:09

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
95
29
19
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

98
81
77
95
92
84
92
41
14
20
9
10
22
31
18
9
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
98
100
100
100
95
21
13
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

84
70
100
100
100
100
100
100
100
99
98
87
1
1
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
5
3
3
4
5
7
8
9
9
8
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

Precipitation Type

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

Precipitation Probability (%)

100
100
79
68
55
42
26
19
15
10
7
5
4
4
5
7
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

1.05
0.39
1.38
1.28
0.89
0.55
0.29
0.25
0.21
0.13
0.1
0.08
0.07
0.05
0.03
0.01
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
80
81
81
78
74
70
68
68
67
68
70
71
69
69
67
63
58
54
51
49
49
51
54

Pressure (mb)

993
994
993
994
994
994
995
996
997
999
1000
1002
1003
1004
1006
1007
1008
1008
1009
1010
1010
1011
1012
1013

Ozone (du)

408
408
407
407
407
408
409
411
414
416
417
418
418
418
417
417
420
424
424
416
404
395
393
395

Saturday 23

Waning Gibbous 86%

22:31

09:06

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

Sun - Rise: 06:48, Set: 19:12, Transit: 13:00. Moon - Rise: 22:31, Set: 09:06. Civil Dark: 19:41 - 06:18. Nautical Dark: 20:15 - 05:43. Astro Dark: 20:51 - 05:07

Total Clouds (% Sky Obscured)

56
49
54
2
0
0
0
0
0
0
0
0
0
23
66
73
83
34
37
68
93
99
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
11
34
61
59
46
35
42

Medium Clouds (% Sky Obscured)

55
48
52
2
0
0
0
0
0
0
0
0
0
23
57
68
82
30
4
29
86
98
100
100

High Clouds (% Sky Obscured)

7
16
23
0
0
0
0
0
0
0
0
0
0
0
23
17
5
2
1
20
34
2
22
18

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
6
6
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
Snow
Very Light Rain
Very Light Rain
Very Light Rain
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
19
21
22
21
20
17
13

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.01
0.02
0.03
0.03
0.08
0.14
0.21
0.34

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-6
-6
-6
-5
-4
-3
-2
-1
-1
-1
-2
-2
-3
-3

Relative Humidity (%)

56
57
57
57
58
60
62
64
67
69
70
71
71
71
70
69
69
69
69
69
67
66
66
68

Pressure (mb)

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

Ozone (du)

395
393
390
385
381
376
370
361
350
341
333
326
321
318
317
316
314
312
311
312
314
317
320
323

Sunday 24

Waning Gibbous 77%

23:42

09:41

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

Sun - Rise: 06:46, Set: 19:13, Transit: 13:00. Moon - Rise: 23:42, Set: 09:41. Civil Dark: 19:43 - 06:16. Nautical Dark: 20:16 - 05:41. Astro Dark: 20:53 - 05:05

Total Clouds (% Sky Obscured)

100
100
100
100
99
84
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

58
49
41
23
2
15
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

100
100
100
100
99
84
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

63
63
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)

6
5
3
3
6
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

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

Precipitation Probability (%)

11
10
9
8
7
4
2
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.44
0.42
0.35
0.29
0.2
0.12
0.07
0.03
0.01
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-2
-4
-5
-6
-6
-7
-8
-9
-10
-11
-11
-12
-11
-11
-10
-10
-10
-9
-9
-8
-7
-7
-7

Dew Point (°C)

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

Relative Humidity (%)

67
67
66
64
62
59
56
54
52
51
50
50
50
48
47
46
45
45
45
44
42
42
42
44

Pressure (mb)

1016
1017
1017
1017
1018
1018
1018
1019
1019
1019
1020
1021
1021
1021
1021
1021
1021
1020
1019
1019
1019
1019
1019
1020

Ozone (du)

326
330
334
336
335
331
330
331
335
339
345
352
359
368
377
385
388
390
391
392
392
395
403
414

Monday 25

Waning Gibbous 68%

00:49

10:19

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: 06:44, Set: 19:15, Transit: 12:59. Moon - Rise: 00:49, Set: 10:19. Civil Dark: 19:44 - 06:14. Nautical Dark: 20:18 - 05:39. Astro Dark: 20:54 - 05:03

Total 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

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
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
0
0
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
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-8
-9
-9
-10
-10
-11
-11
-12
-13
-13
-13
-13
-11
-10
-9
-8
-8
-7
-6
-5
-4
-4
-4

Dew Point (°C)

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

Relative Humidity (%)

45
46
46
46
46
46
46
42
44
47
48
49
49
47
45
42
40
38
36
34
32
32
33
36

Pressure (mb)

1021
1021
1022
1023
1024
1024
1025
1026
1026
1027
1028
1029
1030
1030
1031
1031
1031
1031
1030
1030
1030
1030
1031
1031

Ozone (du)

424
435
445
454
461
466
468
467
463
458
456
453
448
439
429
420
412
406
399
393
387
381
376
372

Tuesday 26

Waning Gibbous 57%

01:50

11:02

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: 06:42, Set: 19:16, Transit: 12:59. Moon - Rise: 01:50, Set: 11:02. Civil Dark: 19:45 - 06:12. Nautical Dark: 20:19 - 05:37. Astro Dark: 20:56 - 05:01

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
97
97
97
97
97
97
96
96
96
96
96
96

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
25
25
25
25
25
25
63
63
63
63
63
63

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
97
97
97
97
97
97
94
94
94
94
94
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
0
0
0
0
0
0
0
0
0
0
0
0
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
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

39
40
41
42
43
44
46
47
49
50
52
53
52
50
48
45
43
41
39
39
38
40
44
51

Pressure (mb)

1032
1032
1033
1033
1033
1033
1033
1034
1034
1034
1035
1035
1035
1036
1035
1035
1035
1034
1034
1033
1033
1032
1032
1032

Ozone (du)

369
367
367
366
364
361
358
353
346
341
338
335
333
332
330
330
330
331
332
334
336
338
339
341

Wednesday 27

Waning Gibbous 47%

02:46

11:50

20 Good
21 Good
22 Good
23 Good
00 Good
01 Good
02 OK
03 OK
04 OK
05 OK
06 OK
07 OK
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: 06:40, Set: 19:17, Transit: 12:59. Moon - Rise: 02:46, Set: 11:50. Civil Dark: 19:47 - 06:11. Nautical Dark: 20:21 - 05:35. Astro Dark: 20:57 - 04:58

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
31
31
31
31
31
31
1
1
1
1
1
1
100
100
100
100
100
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
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
31
31
31
31
31
31
1
1
1
1
1
1
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
6
3
3
4
6
7
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
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
7
11
10
5
3
2
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.02
0.12
0.22
0.18
0.09
0.04
0.01
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

2
2
1
1
1
0
0
-0
-0
-1
-1
-1
-1
1
4
6
6
7
7
9
10
12
11
9

Feels Like (°C)

-0
-1
-2
-2
-2
-3
-3
-3
-4
-4
-4
-5
-4
-3
0
3
4
4
5
7
10
12
11
7

Dew Point (°C)

-5
-5
-6
-6
-7
-8
-9
-9
-9
-9
-9
-9
-9
-7
-5
-3
-2
-0
1
2
3
3
3
2

Relative Humidity (%)

57
60
60
58
56
53
52
51
52
53
53
54
55
54
52
52
56
61
64
62
59
56
58
61

Pressure (mb)

1032
1033
1032
1032
1032
1032
1031
1031
1031
1031
1031
1031
1031
1030
1030
1029
1029
1028
1027
1027
1026
1026
1026
1026

Ozone (du)

342
344
345
346
346
346
346
346
347
348
350
351
353
353
353
353
353
353
353
354
355
356
355
354

Thursday 28

Third Quarter 37%

03:34

12:43

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 Good
15 Good
16 OK
17 OK
18 OK
19 OK

Sun - Rise: 06:38, Set: 19:18, Transit: 12:58. Moon - Rise: 03:34, Set: 12:43. Civil Dark: 19:48 - 06:09. Nautical Dark: 20:22 - 05:33. Astro Dark: 20:59 - 04:56

Total Clouds (% Sky Obscured)

99
99
99
99
99
99
99
99
99
99
99
99
69
69
69
69
69
69
13
13
13
13
13
13

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
2
2
2
2
2
2
3
3
3
3
3
3
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

94
94
94
94
94
94
95
95
95
95
95
95
66
66
66
66
66
66
0
0
0
0
0
0

High Clouds (% Sky Obscured)

94
94
94
94
94
94
88
88
88
88
88
88
8
8
8
8
8
8
13
13
13
13
13
13

ISS Passover

Visibility (miles)

9
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
11
17
19

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.02
0.04
0.07
0.11

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
4
4
4
3
3
3
3
2
1
0
-0
-0
1
3
5
7
12
13
14
13
12
11
10

Dew Point (°C)

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

Relative Humidity (%)

64
65
65
65
65
65
66
66
68
69
70
71
71
71
70
67
62
56
52
53
57
60
64
67

Pressure (mb)

1027
1027
1027
1027
1027
1027
1027
1027
1026
1026
1026
1025
1025
1024
1024
1023
1022
1021
1020
1019
1019
1018
1018
1018

Ozone (du)

352
349
346
343
342
341
340
340
339
338
337
335
334
332
330
329
328
326
325
324
323
322
321
321

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

Generated: 22/03/19 20:20:49. Forecast: 22/03/19 to 28/03/19. Timezone: UTC-4.00