Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 20

Waxing Crescent 4%

07:20

21:31

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 06:53, Set: 19:05, Transit: 12:59. Moon - Rise: 07:20, Set: 21:31. Civil Dark: 19:35 - 06:23. Nautical Dark: 20:10 - 05:48. Astro Dark: 20:46 - 05:12

Total Clouds (% Sky Obscured)

43
66
100
96
100
100
100
100
100
100
100
100
94
91
95
100
100
97
100
100
97
98
95
94

Low Clouds (% Sky Obscured)

7
0
0
1
30
52
66
91
93
94
96
91
87
84
90
97
96
89
80
74
76
80
89
91

Medium Clouds (% Sky Obscured)

25
66
100
96
100
100
100
100
100
100
100
100
39
24
27
88
97
92
100
100
93
95
90
88

High Clouds (% Sky Obscured)

43
66
100
95
100
100
100
100
100
100
36
0
0
0
0
6
3
55
55
60
60
55
65
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
2
1
1
0
1
0
0
2
0
1
4
0
1
9
9
8
0
0

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

Precipitation Probability (%)

0
0
0
0
2
36
62
80
95
95
95
85
52
30
31
19
10
24
18
24
29
46
55
39

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.5
0.6
0.7
0.5
0.5
0.2
0
0
0
0
0
0
0
0
0.2
0.3
0.1

Wind Speed/Direction (mph)

6
6
4
3
3
3
1
3
4
5
6
8
9
9
9
9
8
8
7
6
5
4
4
4

Chance of Frost

Temperature (°C)

-4
-5
-4
-4
-3
-3
-2
-2
-2
-2
-2
-2
-2
-2
-2
-2
-3
-3
-3
-3
-3
-3
-3
-4

Feels Like (°C)

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

Dew Point (°C)

-7
-8
-8
-8
-8
-8
-6
-5
-5
-4
-4
-3
-3
-3
-3
-3
-3
-4
-4
-4
-4
-4
-4
-4

Relative Humidity (%)

78
77
75
70
67
67
74
82
84
86
87
89
94
92
94
96
94
94
94
92
92
92
92
96

Pressure (mb)

1018
1019
1019
1019
1018
1017
1017
1015
1014
1013
1011
1010
1010
1009
1009
1010
1009
1010
1010
1010
1010
1010
1011
1011

Ozone (du)

405
400
400
401
401
398
398
400
402
403
406
411
410
408
408
409
409
410
412
411
410
411
413
418

Saturday 21

Waxing Crescent 10%

07:43

22:54

05 Bad
06 Bad
07 Bad
08 Bad
09 OK
10 OK
11 Good
12 Bad
13 Bad
14 OK
15 OK
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

Sun - Rise: 06:51, Set: 19:07, Transit: 12:59. Moon - Rise: 07:43, Set: 22:54. Civil Dark: 19:36 - 06:21. Nautical Dark: 20:12 - 05:46. Astro Dark: 20:48 - 05:10

Total Clouds (% Sky Obscured)

91
94
94
49
28
23
16
66
56
31
42
57
55
70
79
74
82
100
97
100
100
100
100
100

Low Clouds (% Sky Obscured)

83
87
60
49
28
23
16
49
48
28
26
16
18
1
0
1
1
1
1
1
1
25
69
97

Medium Clouds (% Sky Obscured)

84
65
87
39
7
0
0
0
0
0
21
44
42
70
79
74
82
95
93
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
5
1
0
14
10
35
10
95
95
95
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
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 (%)

19
15
11
6
2
1
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
2
9

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
96
92
81
77
71
64
58
53
48
46
53
61
70
74
75
75
75
74
74
71
64
64

Pressure (mb)

1011
1012
1012
1013
1014
1015
1016
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1015
1015
1015
1014
1013

Ozone (du)

425
432
438
438
433
430
427
421
418
415
413
413
414
412
413
413
413
408
399
395
395
399
395
388

Sunday 22

Waxing Crescent 18%

08:10

00:18

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

Sun - Rise: 06:49, Set: 19:08, Transit: 12:59. Moon - Rise: 08:10, Set: 00:18. Civil Dark: 19:38 - 06:19. Nautical Dark: 20:13 - 05:44. Astro Dark: 20:49 - 05:08

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
98
92
86
83
73
53
77
30
67
41
55
54
22
32
50
62
62
67

Low Clouds (% Sky Obscured)

95
97
96
93
91
85
87
79
75
74
59
32
44
27
22
14
7
0
0
0
0
2
2
1

Medium Clouds (% Sky Obscured)

100
100
100
100
99
95
94
75
63
60
60
29
2
0
4
3
2
2
0
0
0
0
0
0

High Clouds (% Sky Obscured)

97
70
70
15
0
0
0
0
0
0
0
0
65
3
60
34
55
54
18
28
50
62
62
67

ISS Passover

Visibility (miles)

9
9
3
2
2
2
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
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

31
52
64
61
55
50
35
21
10
2
1
1
1
0
0
0
0
0
1
1
0
1
1
0

Precipitation Amount (mm)

0
0.2
0.3
0.3
0.2
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
68
76
78
79
79
71
62
55
50
46
44
43
48
54
59
61
58
57
59
63
64
66
66

Pressure (mb)

1013
1012
1012
1012
1012
1012
1012
1011
1011
1012
1012
1013
1014
1014
1015
1016
1017
1018
1018
1019
1019
1019
1020
1020

Ozone (du)

385
379
376
371
364
364
366
362
361
364
360
357
356
357
356
355
356
357
356
356
351
353
352
352

Monday 23

Waxing Crescent 29%

08:47

01:37

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

Sun - Rise: 06:47, Set: 19:09, Transit: 12:58. Moon - Rise: 08:47, Set: 01:37. Civil Dark: 19:39 - 06:17. Nautical Dark: 20:14 - 05:42. Astro Dark: 20:51 - 05:06

Total Clouds (% Sky Obscured)

50
36
19
18
16
15
10
6
3
4
10
15
53
48
41
40
48
59
42
38
48
58
65
66

Low Clouds (% Sky Obscured)

7
12
18
16
14
13
8
6
3
1
0
0
0
0
0
0
0
3
2
0
1
1
1
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
3
9
14
45
35
27
32
41
53
42
38
48
58
65
66

High Clouds (% Sky Obscured)

50
32
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)

9
9
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
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 (%)

1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
67
67
66
61
55
50
46
45
43
41
41
40
41
48
53
58
62
58
55
55
57
59
60

Pressure (mb)

1021
1022
1022
1023
1023
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1026
1026
1026
1027
1027
1027
1027
1027

Ozone (du)

355
358
361
361
359
362
367
372
378
385
387
386
389
395
397
402
405
408
410
412
414
415
417
417

Tuesday 24

Waxing Crescent 40%

09:35

02:46

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

Sun - Rise: 06:45, Set: 19:11, Transit: 12:58. Moon - Rise: 09:35, Set: 02:46. Civil Dark: 19:41 - 06:15. Nautical Dark: 20:16 - 05:40. Astro Dark: 20:53 - 05:03

Total Clouds (% Sky Obscured)

59
48
32
21
11
3
7
7
9
1
1
2
24
41
58
65
81
100
99
99
98
99
99
100

Low Clouds (% Sky Obscured)

1
1
2
2
0
0
7
7
9
0
1
1
1
0
0
0
1
1
2
0
0
15
30
44

Medium Clouds (% Sky Obscured)

59
48
32
21
11
3
7
6
5
0
0
0
17
33
49
64
81
100
99
99
98
99
99
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
10
19
29
39
42
48
32
38
40
43
31
18

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
6
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
None
None
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
30
50
73

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
0.2
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-12
-11
-12
-12
-12
-12
-12
-12
-12
-11
-12
-12
-12
-11
-10
-9
-9
-9
-8
-8
-8
-8
-7
-5

Relative Humidity (%)

62
63
63
59
53
50
47
44
42
41
40
40
40
45
50
57
58
59
62
62
62
62
71
82

Pressure (mb)

1028
1028
1029
1029
1029
1029
1029
1028
1027
1027
1027
1027
1026
1026
1025
1025
1024
1024
1023
1022
1021
1020
1019
1018

Ozone (du)

419
420
422
426
430
431
428
425
422
414
414
414
414
422
430
438
444
451
457
467
477
487
492
497

Wednesday 25

First Quarter 52%

10:36

03:40

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 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 OK

Sun - Rise: 06:43, Set: 19:12, Transit: 12:58. Moon - Rise: 10:36, Set: 03:40. Civil Dark: 19:42 - 06:13. Nautical Dark: 20:17 - 05:38. Astro Dark: 20:54 - 04:59

Total Clouds (% Sky Obscured)

100
99
98
91
92
100
100
100
100
100
100
100
98
96
93
76
61
47
65
83
100
81
63
44

Low Clouds (% Sky Obscured)

59
74
89
62
35
21
30
35
40
57
80
89
86
82
80
64
47
31
21
13
4
1
0
1

Medium Clouds (% Sky Obscured)

99
98
97
77
59
41
28
14
0
0
0
0
0
0
2
2
1
0
6
11
10
9
8
9

High Clouds (% Sky Obscured)

19
10
0
0
0
0
0
0
0
0
0
0
0
0
0
5
13
26
51
78
100
77
54
30

ISS Passover

Visibility (miles)

0
0
1
1
4
7
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

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

Precipitation Probability (%)

81
78
69
56
41
20
21
18
16
14
11
4
5
4
3
3
1
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.5
0.4
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-8
-9
-9
-8
-7
-6
-5
-4
-3
-6
-7
-8
-8
-9
-9
-13
-13
-13
-13
-13
-13
-14
-14

Dew Point (°C)

-3
-3
-3
-3
-4
-5
-6
-6
-6
-7
-8
-9
-11
-12
-12
-13
-14
-15
-16
-17
-17
-18
-17
-18

Relative Humidity (%)

96
96
94
94
83
72
64
61
59
57
55
54
53
54
55
57
55
52
51
51
49
49
49
49

Pressure (mb)

1017
1018
1018
1018
1018
1018
1019
1019
1019
1020
1020
1021
1021
1022
1023
1023
1024
1024
1024
1024
1024
1024
1024
1023

Ozone (du)

502
500
497
495
499
504
508
509
509
509
506
503
501
486
471
456
448
440
433
425
418
410
407
404

Thursday 26

Waxing Gibbous 64%

11:49

04:21

Sun - Rise: 06:41, Set: 19:13, Transit: 12:57. Moon - Rise: 11:49, Set: 04:21. Civil Dark: 19:43 - 06:11. Nautical Dark: 20:19 - 05:36. Astro Dark: 20:56 - 04:57

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Sorel-Tracy, Montérégie, Canada (46.04,-73.11)

Generated: 20/03/26 05:15:31. Forecast: 20/03/26 to 26/03/26. Timezone: UTC-4.00