Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 7

Waning Gibbous 67%

01:48

No Set

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

Sun - Rise: 06:17, Set: 19:29, Transit: 12:54. Moon - Rise: 01:48, Set: No Set. Civil Dark: 20:00 - 05:46. Nautical Dark: 20:37 - 05:09. Astro Dark: 21:16 - 04:29

Total Clouds (% Sky Obscured)

71
85
88
91
96
87
96
83
43
40
40
48
15
1
0
0
1
1
0
0
0
0
2
6

Low Clouds (% Sky Obscured)

71
82
88
91
91
37
41
33
33
30
30
45
13
1
0
0
1
1
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

71
85
88
91
96
65
92
76
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4

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
2
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
3
5
3
1
1
0
1
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-14
-14
-15
-14
-11
-13
-13
-14
-14
-13
-11
-10
-10
-10
-10
-10
-11
-11
-12
-12
-13
-13
-13
-13

Relative Humidity (%)

52
49
45
49
57
47
42
38
37
40
46
51
55
57
59
61
61
61
59
56
54
53
51
47

Pressure (mb)

1024
1024
1025
1025
1025
1025
1025
1025
1026
1026
1027
1028
1030
1030
1031
1032
1033
1033
1034
1034
1034
1035
1035
1036

Ozone (du)

439
437
440
442
447
449
451
451
455
456
453
456
454
460
461
455
450
444
436
426
420
414
409
401

Wednesday 8

Waning Gibbous 57%

02:35

09:32

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

Sun - Rise: 06:15, Set: 19:31, Transit: 12:54. Moon - Rise: 02:35, Set: 09:32. Civil Dark: 20:01 - 05:44. Nautical Dark: 20:38 - 05:07. Astro Dark: 21:18 - 04:27

Total Clouds (% Sky Obscured)

6
9
28
32
44
54
30
27
28
62
61
59
45
63
48
66
76
61
55
46
38
10
20
6

Low Clouds (% Sky Obscured)

0
2
6
15
6
3
4
1
5
6
23
17
4
16
2
16
19
13
12
3
4
1
1
1

Medium Clouds (% Sky Obscured)

2
3
3
3
32
46
23
25
15
48
42
46
45
57
48
54
51
49
42
43
38
1
20
0

High Clouds (% Sky Obscured)

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

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-12
-12
-12
-11
-11
-11
-10
-10
-10
-7
-6
-7
-7
-7
-6
-6
-6
-6
-6
-6
-5
-5
-5
-5

Relative Humidity (%)

44
41
39
38
36
35
35
35
37
45
55
55
57
60
62
66
66
65
66
66
66
67
66
59

Pressure (mb)

1036
1036
1036
1036
1035
1035
1034
1034
1033
1033
1033
1033
1033
1033
1033
1032
1032
1031
1031
1030
1030
1029
1030
1029

Ozone (du)

399
398
391
382
382
382
382
381
381
379
377
379
378
374
371
366
368
366
367
366
367
365
365
363

Thursday 9

Waning Gibbous 48%

03:12

10:31

09 Good
10 OK
11 OK
12 OK
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: 06:13, Set: 19:32, Transit: 12:53. Moon - Rise: 03:12, Set: 10:31. Civil Dark: 20:03 - 05:42. Nautical Dark: 20:40 - 05:05. Astro Dark: 21:19 - 04:25

Total Clouds (% Sky Obscured)

9
36
39
26
58
72
99
100
100
100
98
100
90
99
98
94
85
80
76
73
72
74
71
77

Low Clouds (% Sky Obscured)

1
1
0
0
0
0
18
30
32
58
98
95
81
76
85
77
78
74
74
71
69
66
65
58

Medium Clouds (% Sky Obscured)

2
23
15
25
47
67
62
98
100
100
98
51
78
50
53
44
31
8
4
0
0
0
0
19

High Clouds (% Sky Obscured)

3
7
39
4
14
30
97
100
80
77
80
80
4
4
36
20
50
18
6
60
60
13
50
53

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
9
9
9
5
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
Very Light Rain
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
2
0
0
1
12
19
29
54
57
60
26
53
52
32
25
22
5
5
20
4
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.4
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
13
16
17
19
20
20
19
18
18
18
16
17
15
14
13
13
11
9
8
7
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

49
45
42
40
41
39
40
42
42
44
46
53
54
54
59
61
64
69
70
75
74
76
74
76

Pressure (mb)

1029
1028
1026
1025
1024
1023
1021
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1023
1023

Ozone (du)

364
363
363
364
364
363
361
359
359
363
364
368
370
368
367
369
373
371
367
364
363
365
367
364

Friday 10

Third Quarter 38%

03:42

11:37

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: 06:11, Set: 19:33, Transit: 12:53. Moon - Rise: 03:42, Set: 11:37. Civil Dark: 20:04 - 05:40. Nautical Dark: 20:41 - 05:03. Astro Dark: 21:21 - 04:22

Total Clouds (% Sky Obscured)

88
100
100
100
100
100
100
100
100
100
100
100
99
99
99
99
98
100
99
99
94
93
63
64

Low Clouds (% Sky Obscured)

51
43
38
38
34
57
76
87
94
96
99
99
99
99
99
99
96
98
97
93
78
71
32
41

Medium Clouds (% Sky Obscured)

32
87
93
97
100
100
100
100
100
100
100
99
98
88
62
72
77
82
82
77
76
81
63
63

High Clouds (% Sky Obscured)

75
100
100
100
100
100
100
100
73
28
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
6
3
5
5
2
3
7
6
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
Light Rain
Light Rain
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

Precipitation Probability (%)

0
0
1
41
88
95
95
95
95
95
95
91
89
59
42
37
22
16
12
8
10
11
9
9

Precipitation Amount (mm)

0
0
0
0
0.8
0.9
0.8
1.5
1.6
0.8
0.7
0.5
0.5
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

76
77
75
78
82
84
82
90
94
94
93
91
91
89
88
88
88
85
83
82
79
81
81
74

Pressure (mb)

1023
1023
1023
1023
1022
1022
1021
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1020
1020
1021
1021
1022
1023
1023

Ozone (du)

361
359
361
353
348
346
342
340
339
340
343
347
353
356
360
367
377
383
390
391
390
389
394
400

Saturday 11

Waning Crescent 28%

04:06

12:47

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

Sun - Rise: 06:09, Set: 19:34, Transit: 12:53. Moon - Rise: 04:06, Set: 12:47. Civil Dark: 20:05 - 05:38. Nautical Dark: 20:43 - 05:00. Astro Dark: 21:23 - 04:20

Total Clouds (% Sky Obscured)

59
78
78
79
80
63
51
16
12
8
5
4
2
1
1
1
0
2
2
3
7
11
16
37

Low Clouds (% Sky Obscured)

45
59
63
69
73
55
42
15
9
6
3
2
2
1
1
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

44
29
19
9
0
10
16
16
12
8
0
0
0
0
0
0
0
0
1
1
3
5
7
12

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
5
7
9
30

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 (%)

7
2
6
4
2
2
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
57
52
48
43
39
36
34
35
43
52
59
62
64
66
68
69
70
69
69
69
65
63
60

Pressure (mb)

1024
1025
1025
1025
1026
1026
1026
1026
1027
1028
1028
1029
1030
1030
1031
1031
1031
1032
1032
1032
1032
1032
1033
1033

Ozone (du)

405
408
411
409
410
410
411
414
410
406
405
405
403
401
399
400
402
403
403
403
403
400
396
393

Sunday 12

Waning Crescent 28%

04:27

14:00

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

Total Clouds (% Sky Obscured)

59
80
85
92
100
100
100
100
99
99
98
99
99
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
6
11
13
19
44
45
59
65
73
70
69
66
51
42
25
20
34
49
71

Medium Clouds (% Sky Obscured)

18
24
47
68
89
92
96
100
98
98
97
99
99
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

51
71
81
90
100
100
100
100
99
99
98
98
98
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
9
9
9
8
7
5
3
1
3
5
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
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
10
10
6
22
28
36
40
40
34
38
35
21
62
87
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.7
1
1.2
1
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

4
6
8
9
9
10
10
10
10
10
9
8
8
9
9
9
9
9
9
10
10
11
11
13

Feels Like (°C)

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

Dew Point (°C)

-4
-3
-2
-2
-1
-1
0
1
2
3
3
3
3
2
2
3
4
5
6
8
9
10
10
11

Relative Humidity (%)

55
53
50
49
47
46
49
53
57
61
64
69
67
64
62
66
70
74
81
88
93
93
93
92

Pressure (mb)

1032
1032
1032
1030
1029
1028
1027
1025
1024
1023
1022
1020
1019
1018
1016
1015
1014
1013
1012
1010
1009
1009
1008
1008

Ozone (du)

391
388
386
381
375
370
367
363
360
357
355
352
350
349
348
344
341
337
336
335
334
332
330
328

Monday 13

Waning Crescent 19%

04:46

15:13

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

Sun - Rise: 06:06, Set: 19:37, Transit: 12:52. Moon - Rise: 04:46, Set: 15:13. Civil Dark: 20:08 - 05:34. 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
93
87
77
79
82
90

Low Clouds (% Sky Obscured)

86
100
100
100
100
100
100
100
75
50
30
30
30
35
35
35
35

Medium Clouds (% Sky Obscured)

100
100
98
96
94
72
50
27
34
38
45
49
49
52
68
82
90

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
99
96
94
66
42
15
31
52
56

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

95
86
81
76
71
84
86
76
80
86
88
68
45
34
71
95
95

Precipitation Amount (mm)

0.8
0.4
0.4
0.3
0.3
0.5
0.4
0.3
0.4
0.6
0.8
0.4
0
0
0.4
0.9
1

Wind Speed/Direction (mph)

16
15
15
13
12
11
9
11
12
12
11
11
11
12
13
14
15

Chance of Frost

Temperature (°C)

13
13
13
14
14
14
13
13
13
13
12
12
11
10
10
10
9

Feels Like (°C)

8
8
8
9
9
9
9
9
10
9
9
9
8
7
7
7
6

Dew Point (°C)

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

Relative Humidity (%)

92
89
89
89
90
90
90
92
92
92
93
95
95
96
95
95
95

Pressure (mb)

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

Ozone (du)

328
327
327
326
325
324
323
323
322
322
322
322
322
323
323
327
330

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

Generated: 07/04/26 09:54:05. Forecast: 07/04/26 to 13/04/26. Timezone: UTC-4.00