Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 16

Waning Crescent 0%

05:45

20:32

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

Sun - Rise: 06:02, Set: 19:46, Transit: 12:54. Moon - Rise: 05:45, Set: 20:32. Civil Dark: 20:17 - 05:30. Nautical Dark: 20:56 - 04:51. Astro Dark: 21:39 - 04:08

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
73
79
86
84
83
71
54
38
15
2
25
35
41
39
27
0
0

Low Clouds (% Sky Obscured)

99
100
100
100
96
82
76
73
79
86
84
83
59
54
38
14
0
17
27
35
30
19
0
0

Medium Clouds (% Sky Obscured)

60
62
26
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
73
89
100
100
63
26
0
0
0
1
0
0
0
0
2
3
3
3
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
6
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
98
100
100
96
96
94
90
91
88
90
88
81
69
63
58
57
55
52
53
56
69
74
78

Pressure (mb)

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

Ozone (du)

323
321
321
324
324
328
333
335
334
334
333
335
336
335
334
334
334
335
337
338
337
341
343
341

Friday 17

New Moon 3%

06:11

21:58

22 Good
23 Good
00 Good
01 Bad
02 OK
03 Bad
04 Bad
05 OK
06 OK
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

Sun - Rise: 06:00, Set: 19:47, Transit: 12:53. Moon - Rise: 06:11, Set: 21:58. Civil Dark: 20:19 - 05:28. Nautical Dark: 20:58 - 04:49. Astro Dark: 21:41 - 04:06

Total Clouds (% Sky Obscured)

0
3
8
39
14
50
77
25
38
56
68
61
73
86
95
100
65
94
89
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
14
20
49
62
59
54
55
59
46
24
25
22
61
71
92
87
92

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
68
78
100
97
96
89
89

High Clouds (% Sky Obscured)

0
3
8
39
14
31
66
25
38
4
10
9
46
60
85
100
65
90
76
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
7
3
3

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
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
2
18
68
85
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.8
0.7
1.1

Wind Speed/Direction (mph)

3
3
3
4
3
3
4
4
5
6
8
11
13
16
16
18
18
18
18
18
16
15
14
13

Chance of Frost

Temperature (°C)

7
7
6
6
5
5
5
5
5
6
7
8
9
11
12
14
15
15
16
15
14
13
12
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
85
88
90
91
91
93
94
96
96
88
81
76
72
66
55
57
62
66
72
83
89
95
96

Pressure (mb)

1019
1019
1019
1018
1018
1018
1018
1018
1017
1017
1016
1015
1014
1012
1011
1010
1009
1007
1006
1005
1005
1005
1005
1005

Ozone (du)

342
343
345
347
346
347
345
339
339
336
336
336
337
340
335
330
330
329
328
330
333
334
332
334

Saturday 18

Waxing Crescent 8%

06:44

21:58

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
20 OK
21 OK

Sun - Rise: 05:58, Set: 19:48, Transit: 12:53. Moon - Rise: 06:44, Set: 21:58. Civil Dark: 20:20 - 05:26. Nautical Dark: 21:00 - 04:47. Astro Dark: 21:43 - 04:04

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94
100
90
93
90
93
56
19
35

Low Clouds (% Sky Obscured)

95
97
99
100
88
88
66
55
58
87
58
38
16
42
87
86
79
64
73
77
77
43
19
32

Medium Clouds (% Sky Obscured)

68
100
99
84
100
100
100
100
100
100
100
100
100
100
30
35
100
61
9
1
12
8
1
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
40
100
100
99
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
2
2
3
4
9
9
9
6
9
9
9
9
9
9
7
9
9
9
9

Fog (%)

0
0
3
63
100
100
85
1
0
8
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

58
95
95
95
95
95
95
92
44
25
35
15
33
3
2
0
3
14
18
26
4
0
0
0

Precipitation Amount (mm)

0
0.4
1.2
1.7
1.6
2.1
0.9
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
12
12
10
9
11
11
12
11
10
10
10
11
11
12
12
13
13
13
13
11
11
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

10
9
9
9
9
6
4
3
1
-0
-2
-2
-2
-3
-5
-7
-8
-9
-10
-10
-8
-7
-8
-10

Relative Humidity (%)

98
98
98
98
98
93
93
93
93
86
84
84
77
74
63
52
44
41
40
41
50
56
57
55

Pressure (mb)

1004
1003
1002
1001
1002
1003
1004
1005
1006
1008
1008
1009
1009
1009
1009
1008
1008
1008
1008
1008
1009
1010
1011
1012

Ozone (du)

336
336
334
333
334
332
331
333
336
339
341
342
341
343
346
351
355
360
369
379
388
408
415
421

Sunday 19

Waxing Crescent 16%

07:28

23:23

22 Good
23 OK
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 Good
20 Good
21 Good

Sun - Rise: 05:56, Set: 19:50, Transit: 12:53. Moon - Rise: 07:28, Set: 23:23. Civil Dark: 20:22 - 05:24. Nautical Dark: 21:01 - 04:45. Astro Dark: 21:45 - 04:01

Total Clouds (% Sky Obscured)

17
31
51
62
64
62
63
63
58
77
78
82
81
77
74
69
73
80
84
83
81
5
4
0

Low Clouds (% Sky Obscured)

12
21
38
37
35
32
20
21
22
77
78
82
81
77
74
69
73
80
84
83
81
5
4
0

Medium Clouds (% Sky Obscured)

0
1
4
1
1
0
0
2
2
2
2
5
2
2
4
4
2
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
2
8
1
0
0
0
0
1
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
5
1
4
7
9
9
9
9
9
9
9
9
9
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
1
1
4
7
22
20
26
10
14
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-10
-10
-11
-12
-13
-13
-14
-14
-13
-13
-12
-15
-17
-17
-18
-20
-20
-21
-20
-21
-20
-19
-17
-16

Relative Humidity (%)

59
61
61
59
57
57
57
57
60
62
63
48
37
35
29
23
21
20
20
20
21
25
34
38

Pressure (mb)

1013
1014
1015
1016
1017
1018
1018
1019
1020
1021
1022
1023
1023
1024
1024
1024
1024
1024
1024
1024
1025
1025
1026
1027

Ozone (du)

425
426
423
423
421
422
428
429
431
431
431
433
440
449
452
455
455
454
458
463
465
463
458
450

Monday 20

Waxing Crescent 26%

08:27

00:39

22 Good
23 Good
00 Good
01 Bad
02 Bad
03 Bad
04 Bad
05 OK
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

Sun - Rise: 05:55, Set: 19:51, Transit: 12:53. Moon - Rise: 08:27, Set: 00:39. Civil Dark: 20:23 - 05:22. Nautical Dark: 21:03 - 04:43. Astro Dark: 21:47 - 03:59

Total Clouds (% Sky Obscured)

0
0
9
60
50
50
60
23
77
86
60
93
98
99
100
100
100
100
100
100
99
97
91
86

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
5
32
73
84
78
39
88
93
96
90
84
77
75
73

Medium Clouds (% Sky Obscured)

0
0
0
14
30
30
35
16
50
45
52
75
84
89
94
100
99
97
96
87
80
75
51
27

High Clouds (% Sky Obscured)

0
0
2
30
15
50
60
5
36
50
20
59
65
65
65
65
60
70
75
47
31
12
7
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
8
9
9
9
6
3
0
0
0
0
3

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
Light Rain
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
3
3
76
95
95
95
95
95
85
59

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.9
1.5
1.5
1.4
0.9
0.5
0.2

Wind Speed/Direction (mph)

4
3
2
2
2
3
4
4
5
6
9
11
13
14
15
15
16
15
11
8
7
5
5
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-17
-18
-18
-19
-19
-19
-18
-18
-17
-16
-14
-13
-13
-11
-10
-10
-11
-7
-3
-0
-0
-1
0
-1

Relative Humidity (%)

38
36
35
34
34
33
34
36
39
40
39
38
36
38
39
37
34
48
70
98
98
96
98
96

Pressure (mb)

1028
1028
1028
1028
1028
1028
1028
1028
1027
1027
1026
1025
1024
1023
1021
1019
1017
1013
1013
1013
1013
1013
1012
1013

Ozone (du)

445
440
439
427
412
402
400
399
397
395
393
389
387
388
387
385
385
388
391
394
401
407
413
410

Tuesday 21

Waxing Crescent 37%

09:38

01:40

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 OK
15 OK
16 OK
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 05:53, Set: 19:52, Transit: 12:53. Moon - Rise: 09:38, Set: 01:40. Civil Dark: 20:25 - 05:21. Nautical Dark: 21:05 - 04:40. Astro Dark: 21:49 - 03:56

Total Clouds (% Sky Obscured)

80
76
77
79
81
84
88
91
93
92
71
49
25
17
11
11
19
27
34
51
68
84
81
77

Low Clouds (% Sky Obscured)

71
73
75
77
80
84
87
91
93
92
71
49
25
17
11
11
19
14
6
5
3
1
0
2

Medium Clouds (% Sky Obscured)

0
1
1
2
2
3
6
6
7
0
0
0
0
1
1
2
2
3
3
20
33
30
24
22

High Clouds (% Sky Obscured)

1
2
6
19
28
17
0
0
0
0
0
0
0
1
2
2
5
4
5
4
3
3
1
1

ISS Passover

Visibility (miles)

6
9
9
9
9
9
9
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

31
23
17
6
12
12
11
10
8
4
3
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-4
-3
-4
-4
-6
-7
-7
-7
-8
-8
-9
-9
-8
-8
-7
-7
-2
-3
-3
-2
-2
-2
-7

Dew Point (°C)

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

Relative Humidity (%)

92
91
89
89
86
86
84
82
84
84
82
75
66
60
56
53
52
52
52
54
61
67
76
81

Pressure (mb)

1013
1014
1015
1015
1016
1017
1018
1019
1019
1020
1021
1021
1022
1022
1022
1021
1021
1021
1021
1021
1022
1022
1023
1023

Ozone (du)

407
404
411
418
425
428
431
434
433
433
433
431
428
425
422
418
414
411
409
406
406
405
405
404

Wednesday 22

Waxing Crescent 49%

10:57

02:26

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

Sun - Rise: 05:51, Set: 19:54, Transit: 12:52. Moon - Rise: 10:57, Set: 02:26. Civil Dark: 20:26 - 05:19. Nautical Dark: 21:06 - 04:38. Astro Dark: 21:51 - 03:54

Total Clouds (% Sky Obscured)

74
80
87
94
77
60
44
42
40
41
30
19
13
12
21
25
35
64
79
69
49
49

Low Clouds (% Sky Obscured)

2
4
6
8
8
8
6
7
5
4
4
2
1
8
14
23
19
16
7
21
38
49

Medium Clouds (% Sky Obscured)

26
28
38
54
60
51
34
32
34
33
28
19
13
12
14
14
14
14
14
14
19
19

High Clouds (% Sky Obscured)

14
36
55
71
53
31
16
12
13
25
30
19
13
12
21
25
35
40
18
12
5
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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

Precipitation Type

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
9
13
15

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-7
-7
-7
-7
-8
-8
-8
-9
-9
-9
-4
-3
-4
-4
-3
-2
3
3
2
3
4

Dew Point (°C)

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

Relative Humidity (%)

84
89
87
89
87
90
92
92
79
68
57
48
42
36
35
34
33
35
35
37
45
55

Pressure (mb)

1024
1024
1024
1025
1025
1025
1025
1026
1026
1026
1026
1026
1026
1025
1025
1024
1023
1023
1022
1022
1022
1022

Ozone (du)

404
404
404
405
406
405
405
405
404
402
401
401
400
400
399
399
399
398
397
397
397
397

Forecast for Lac-Saint-Louis, Lanaudière, Canada (46.53,-73.70)

Generated: 16/04/26 22:54:02. Forecast: 16/04/26 to 22/04/26. Timezone: UTC-4.00