Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 8

Waning Gibbous 67%

02:35

09:32

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

Sun - Rise: 06:17, Set: 19:31, Transit: 12:54. Moon - Rise: 02:35, Set: 09:32. Civil Dark: 20:01 - 05:46. Nautical Dark: 20:38 - 05:09. Astro Dark: 21:18 - 04:27

Total Clouds (% Sky Obscured)

0
0
0
4
8
8
18
10
12
12
14
17
4
20
53
58
47
61
70
51
51
41
50
45

Low Clouds (% Sky Obscured)

0
0
0
0
0
1
4
6
5
4
0
0
0
0
0
0
5
1
12
9
2
3
5
7

Medium Clouds (% Sky Obscured)

0
0
0
0
3
2
8
2
9
4
9
17
4
20
53
58
46
55
38
25
32
24
35
27

High Clouds (% Sky Obscured)

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

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 (%)

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)

5
4
4
8
9
10
10
11
11
12
12
12
11
9
6
6
5
5
3
3
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
56
54
46
44
41
38
37
36
35
34
35
36
38
47
49
50
54
60
61
59
59
58
58

Pressure (mb)

1034
1035
1035
1036
1036
1037
1036
1036
1035
1035
1034
1034
1033
1033
1033
1033
1033
1033
1033
1032
1032
1031
1030
1030

Ozone (du)

414
409
411
408
404
396
385
378
376
370
366
361
364
373
378
374
379
382
377
372
366
364
362
363

Thursday 9

Waning Gibbous 57%

03:12

10:31

05 OK
06 OK
07 OK
08 OK
09 Good
10 Good
11 OK
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: 06:15, Set: 19:32, Transit: 12:53. Moon - Rise: 03:12, Set: 10:31. Civil Dark: 20:03 - 05:44. Nautical Dark: 20:40 - 05:07. Astro Dark: 21:19 - 04:25

Total Clouds (% Sky Obscured)

29
27
31
30
12
10
38
72
83
77
100
100
100
100
82
99
95
100
100
96
98
87
45
51

Low Clouds (% Sky Obscured)

4
1
8
5
1
0
0
0
0
0
1
47
68
31
19
20
77
76
100
71
75
50
29
22

Medium Clouds (% Sky Obscured)

18
19
14
18
8
9
38
72
80
64
100
91
100
100
71
84
80
80
99
84
78
57
10
0

High Clouds (% Sky Obscured)

8
7
4
4
4
4
4
4
6
70
100
100
100
100
82
63
69
11
9
5
31
8
9
16

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
2
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
Light Rain
None
None
None
None
Light Rain
Light Rain
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
4
0
0
6
31
89
31
27
18
38
90
72
32
6
11
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.7
0
0
0
0
0.8
0.4
0
0
0
0

Wind Speed/Direction (mph)

6
4
5
6
10
13
15
17
18
18
20
20
19
19
18
16
13
13
12
11
11
11
9
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
60
60
52
42
36
33
34
36
37
37
38
40
43
61
58
63
68
69
77
84
88
91
93

Pressure (mb)

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

Ozone (du)

364
365
363
363
364
361
360
360
361
361
360
360
363
362
369
371
370
369
367
366
367
368
362
361

Friday 10

Third Quarter 48%

03:42

11:37

05 OK
06 Good
07 OK
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: 06:13, Set: 19:33, Transit: 12:53. Moon - Rise: 03:42, Set: 11:37. Civil Dark: 20:04 - 05:42. Nautical Dark: 20:41 - 05:05. Astro Dark: 21:21 - 04:22

Total Clouds (% Sky Obscured)

14
2
14
100
100
100
100
100
100
100
100
100
97
95
91
86
81
78
76
76
72
63
60
53

Low Clouds (% Sky Obscured)

0
0
6
0
0
12
33
79
76
90
89
95
93
87
82
80
79
76
74
69
66
60
53
46

Medium Clouds (% Sky Obscured)

0
0
0
69
77
86
100
100
100
100
99
100
95
85
45
19
10
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

14
2
6
100
100
100
100
100
100
43
70
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
6
3
1
2
5
8
8
9
8
0
0
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
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
None
None
None
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
2
48
95
95
95
95
92
43
34
32
43
23
20
7
3
1
1
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.8
2.2
3.4
1.7
0.6
0
0
0
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
91
91
80
74
68
64
60
65
77
88
91
91
90
93
93
94
96
96
89
85
85
88
83

Pressure (mb)

1022
1022
1023
1023
1023
1023
1023
1022
1022
1021
1021
1020
1020
1020
1020
1021
1021
1021
1021
1021
1022
1022
1022
1023

Ozone (du)

364
367
370
370
365
352
341
339
340
341
344
345
348
348
351
351
351
354
359
372
387
392
396
393

Saturday 11

Waning Crescent 38%

04:06

12:47

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

Sun - Rise: 06:11, Set: 19:34, Transit: 12:53. Moon - Rise: 04:06, Set: 12:47. Civil Dark: 20:05 - 05:40. Nautical Dark: 20:43 - 05:03. Astro Dark: 21:23 - 04:20

Total Clouds (% Sky Obscured)

42
10
2
25
63
99
81
63
61
55
50
50
43
37
23
2
2
2
2
0
1
2
4
25

Low Clouds (% Sky Obscured)

35
9
2
2
30
50
65
61
61
55
50
50
43
37
23
2
2
2
2
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
15
29
39
26
15
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
1
1
1
17

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
81
80
69
58
54
50
44
40
38
36
36
37
43
53
62
66
67
69
70
71
70
71
70

Pressure (mb)

1023
1024
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026
1026
1027
1028
1028
1029
1030
1030
1031
1031
1031
1032
1032

Ozone (du)

390
393
401
402
407
412
411
410
410
409
401
395
395
396
395
395
395
394
394
395
395
393
393
392

Sunday 12

Waning Crescent 28%

04:27

14:00

05 Good
06 Good
07 OK
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: 06:09, Set: 19:36, Transit: 12:53. Moon - Rise: 04:27, Set: 14:00. Civil Dark: 20:07 - 05:38. Nautical Dark: 20:45 - 04:58. Astro Dark: 21:25 - 04:18

Total Clouds (% Sky Obscured)

9
9
19
74
85
96
97
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
1
2
0
0
11
4
65
37
60
79
93
83
75
52
41
20
16
24
36
38
40
42

Medium Clouds (% Sky Obscured)

0
1
0
4
67
74
73
76
79
98
96
94
95
97
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

5
4
8
40
55
66
77
89
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
5
7
9
9
9
9
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
18
37
60
87
95
95
95
79
53
66
82
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.6
0.6
0.6
0.4
0
0.3
0.4
0.6

Wind Speed/Direction (mph)

3
4
4
5
6
7
8
9
10
10
9
8
8
7
5
5
6
7
8
8
8
10
10
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
70
65
55
49
46
44
43
44
46
50
53
57
65
74
83
87
87
88
82
77
73
78
84

Pressure (mb)

1032
1032
1033
1033
1033
1033
1033
1032
1031
1030
1029
1028
1028
1027
1026
1025
1024
1023
1021
1020
1019
1017
1016
1015

Ozone (du)

389
389
390
388
387
385
385
384
380
375
371
367
362
359
356
353
351
349
347
347
347
347
346
345

Monday 13

Waning Crescent 19%

04:46

15:13

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

Sun - Rise: 06:07, Set: 19:37, Transit: 12:52. Moon - Rise: 04:46, Set: 15:13. Civil Dark: 20:08 - 05:36. Nautical Dark: 20:46 - 04:56. Astro Dark: 21:27 - 04:15

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

28
14
0
11
22
42
51
56
61
69
82
87
83
77
75
74
67
60
63
72
80
67
58
60

Medium Clouds (% Sky Obscured)

89
77
63
46
24
5
0
0
0
0
0
0
0
0
3
6
6
7
9
7
0
23
46
65

High Clouds (% Sky Obscured)

100
100
100
84
80
71
65
63
56
41
29
25
37
49
65
70
67
65
76
84
99
99
99
99

ISS Passover

Visibility (miles)

4
5
5
5
6
8
9
9
9
9
9
9
8
8
8
8
8
9
9
9
8
8
8
8

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

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

Precipitation Probability (%)

95
95
75
58
43
31
25
31
34
49
53
38
39
43
52
53
49
32
32
32
32
28
25
24

Precipitation Amount (mm)

0.7
0.7
0.4
0.2
0
0
0
0
0
0
0.2
0
0
0
0.3
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
13
13
14
14
15
16
16
17
18
17
16
16
15
14
13
13
14
14
14
14
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
2
2
6
7
8
9
9
11
13
13
12
13
13
13
13
13
13
13
13
13
12
12

Dew Point (°C)

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

Relative Humidity (%)

91
91
93
95
92
90
89
87
86
86
85
85
85
85
85
86
86
86
87
87
90
92
92
93

Pressure (mb)

1014
1013
1013
1012
1012
1011
1011
1010
1009
1008
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1007
1007
1006
1006

Ozone (du)

344
343
342
341
338
336
333
331
329
326
328
329
331
332
333
334
332
330
328
327
325
324
323
322

Tuesday 14

Waning Crescent 11%

05:04

16:27

Sun - Rise: 06:06, Set: 19:38, Transit: 12:52. Moon - Rise: 05:04, Set: 16:27. Civil Dark: 20:10 - 05:34. Nautical Dark: 20:48 - 04:54. Astro Dark: 21:29 - 04:13

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: 08/04/26 05:03:50. Forecast: 08/04/26 to 14/04/26. Timezone: UTC-4.00