Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 28

Waxing Gibbous 83%

14:26

05:15

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

Sun - Rise: 06:36, Set: 19:16, Transit: 12:57. Moon - Rise: 14:26, Set: 05:15. Civil Dark: 19:46 - 06:06. Nautical Dark: 20:22 - 05:30. Astro Dark: 20:59 - 04:52

Total Clouds (% Sky Obscured)

38
35
44
89
89
100
100
100
100
100
48
6
14
55
61
17
4
93
100
66
81
79
78
98

Low Clouds (% Sky Obscured)

30
4
44
76
78
100
100
100
100
100
6
1
2
27
21
3
2
80
88
43
73
32
65
69

Medium Clouds (% Sky Obscured)

4
33
36
41
43
38
54
55
54
50
34
3
14
44
50
10
4
45
58
23
40
37
35
61

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
2
2
6
2
2
1
2
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
4
8
5
1
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
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
4
8
23
18
39
42
12
2
1
0
0
0
0
0
4
16
21
5
2
2
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

1
2
4
6
8
9
11
12
12
12
12
9
7
6
6
6
7
7
7
7
7
7
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-15
-15
-12
-11
-11
-10
-10
-10
-9
-9
-10
-7
-8
-9
-10
-11
-10
-10
-11
-10
-10
-11
-11
-11

Dew Point (°C)

-15
-15
-14
-12
-12
-10
-10
-9
-7
-9
-9
-8
-8
-8
-8
-9
-9
-9
-8
-8
-8
-9
-8
-8

Relative Humidity (%)

75
66
66
64
62
65
63
64
71
63
64
69
79
82
84
84
85
85
85
85
84
79
80
85

Pressure (mb)

1029
1030
1030
1030
1029
1028
1027
1026
1026
1026
1026
1027
1028
1028
1029
1028
1028
1028
1028
1028
1028
1028
1028
1028

Ozone (du)

494
506
503
498
493
493
493
489
489
493
489
485
482
475
471
465
466
464
462
458
447
440
438
441

Sunday 29

Waxing Gibbous 91%

15:42

05:35

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
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:34, Set: 19:17, Transit: 12:56. Moon - Rise: 15:42, Set: 05:35. Civil Dark: 19:47 - 06:04. Nautical Dark: 20:23 - 05:28. Astro Dark: 21:01 - 04:50

Total Clouds (% Sky Obscured)

92
96
96
98
96
99
96
94
96
94
100
100
100
100
100
99
100
100
100
100
100
100
99
100

Low Clouds (% Sky Obscured)

54
60
84
85
90
89
86
79
71
48
44
51
48
30
30
30
25
19
59
87
100
52
10
3

Medium Clouds (% Sky Obscured)

42
84
40
42
35
53
53
53
55
26
70
85
85
85
85
77
81
100
100
100
100
100
95
83

High Clouds (% Sky Obscured)

0
0
0
1
1
1
0
0
0
20
35
35
30
15
0
9
14
98
62
95
95
28
1
14

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
Frozen rai
Very Light Rain
None
None

Precipitation Probability (%)

3
4
9
14
25
12
17
15
7
4
6
11
12
8
3
16
1
2
18
35
64
58
15
3

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
10
11
11
11
12
12
11
10
6
4
4
4
4
5
5
6
6
7
7
6
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
87
74
74
75
74
71
69
68
68
79
84
83
86
91
92
94
96
96
91
89
89
92
92

Pressure (mb)

1028
1028
1028
1028
1027
1026
1025
1024
1023
1023
1022
1022
1022
1022
1022
1022
1021
1021
1020
1019
1019
1019
1018
1017

Ozone (du)

442
447
448
451
455
454
454
455
452
446
441
439
437
436
431
426
423
421
419
418
417
416
418
420

Monday 30

Waxing Gibbous 96%

16:55

05:52

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
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:32, Set: 19:19, Transit: 12:56. Moon - Rise: 16:55, Set: 05:52. Civil Dark: 19:49 - 06:02. Nautical Dark: 20:25 - 05:25. Astro Dark: 21:02 - 04:48

Total Clouds (% Sky Obscured)

100
100
99
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
91
82
76
69
67
56

Low Clouds (% Sky Obscured)

4
20
20
20
25
25
31
28
25
25
49
25
25
30
38
35
40
40
40
45
45
45
40
40

Medium Clouds (% Sky Obscured)

100
100
96
87
73
99
96
100
100
100
100
100
100
100
100
93
86
100
87
72
59
48
47
43

High Clouds (% Sky Obscured)

50
100
94
93
100
81
78
100
100
100
100
100
100
93
89
100
91
65
47
65
59
60
60
50

ISS Passover

Visibility (miles)

9
9
0
0
0
8
9
4
3
1
0
4
4
5
3
5
4
4
4
1
0
0
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
Very Light Rain
Snow
Snow
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Snow
Snow
None

Precipitation Probability (%)

0
50
74
62
53
54
71
85
81
95
95
90
82
86
70
83
82
73
95
95
87
72
67
46

Precipitation Amount (mm)

0
0.3
0.5
0.3
0
0
0.4
0.8
0.8
1
0.9
0.7
0.5
0.7
0.5
0.7
0.7
0.4
0.7
1.3
0.6
0.4
0.4
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
86
96
98
91
79
77
82
94
98
98
98
96
98
98
98
100
100
96
98
98
98
98
98

Pressure (mb)

1017
1016
1015
1014
1013
1012
1012
1011
1010
1011
1011
1012
1012
1013
1013
1014
1015
1015
1015
1016
1017
1017
1017
1017

Ozone (du)

418
415
414
413
410
407
403
401
397
395
395
397
396
397
395
390
387
385
382
378
376
375
375
374

Tuesday 31

Waxing Gibbous 99%

18:06

06:08

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
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:30, Set: 19:20, Transit: 12:56. Moon - Rise: 18:06, Set: 06:08. Civil Dark: 19:50 - 06:00. Nautical Dark: 20:26 - 05:23. Astro Dark: 21:04 - 04:46

Total Clouds (% Sky Obscured)

65
83
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
94
92

Low Clouds (% Sky Obscured)

35
30
25
50
76
99
98
98
97
98
99
100
99
99
99
99
100
100
100
100
100
97
94
92

Medium Clouds (% Sky Obscured)

59
79
93
75
82
58
92
45
45
77
85
100
100
100
100
67
100
100
86
72
55
40
29
15

High Clouds (% Sky Obscured)

53
75
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
77
54
30
17
18
18

ISS Passover

Visibility (miles)

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

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
Snow
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Light Rain
None
Sleet
Light Rain
Light Rain

Precipitation Probability (%)

95
95
95
77
72
84
83
95
95
95
95
95
95
95
95
95
95
95
95
95
44
72
95
95

Precipitation Amount (mm)

0.6
1.2
0.9
0.4
0.3
0.4
0.5
0.8
0.9
1
2.9
2.6
3.9
2
2.3
1.3
1
3.3
3.2
0.6
0
0.2
0.9
1.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

1
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
1
1
1
1
0
1
1
1

Feels Like (°C)

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

Dew Point (°C)

0
1
1
1
1
1
1
1
1
1
1
1
0
0
0
0
1
0
1
0
0
0
0
1

Relative Humidity (%)

96
100
98
98
100
98
98
98
100
98
98
100
98
98
100
100
100
98
98
98
98
98
98
100

Pressure (mb)

1018
1018
1017
1017
1015
1014
1013
1011
1010
1009
1007
1005
1004
1003
1003
1002
1002
1001
1000
1001
1001
1001
1003
1004

Ozone (du)

374
372
370
368
367
367
365
363
362
362
359
355
356
356
354
352
349
350
346
349
350
350
350
351

Wednesday 1

Full Moon 100%

19:15

06:25

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

Sun - Rise: 06:28, Set: 19:21, Transit: 12:56. Moon - Rise: 19:15, Set: 06:25. Civil Dark: 19:51 - 05:58. Nautical Dark: 20:28 - 05:21. Astro Dark: 21:06 - 04:43

Total Clouds (% Sky Obscured)

76
62
52
46
45
55
65
67
85
58
14
16
22
23
24
27
31
34
27
22
2
9
15
22

Low Clouds (% Sky Obscured)

73
54
37
30
27
30
35
38
60
46
4
3
3
4
4
4
4
4
4
4
2
4
3
3

Medium Clouds (% Sky Obscured)

15
15
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

17
16
25
18
22
2
3
2
2
25
14
16
22
23
24
27
31
34
27
22
0
9
15
22

ISS Passover

Visibility (miles)

1
0
9
9
8
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

Light Rain
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 (%)

94
29
2
3
5
2
5
14
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.7
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
10
12
15
15
15
14
14
14
14
12
10
8
8
9
9
9
9
8
8
8
8
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
1
1
2
0
-1
-1
-2
-2
-4
-5
-6
-6
-7
-8
-8
-9
-10
-11
-11
-12
-13
-13
-14

Relative Humidity (%)

100
100
96
79
72
67
71
69
67
65
65
67
68
68
68
68
66
66
65
63
61
58
57
56

Pressure (mb)

1005
1008
1010
1012
1014
1015
1017
1019
1020
1022
1023
1025
1027
1028
1029
1031
1031
1032
1033
1034
1035
1036
1037
1038

Ozone (du)

354
358
361
363
369
369
374
380
386
387
383
382
388
388
388
388
387
387
386
385
383
382
380
379

Thursday 2

Waning Gibbous 99%

20:24

06:43

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

Sun - Rise: 06:26, Set: 19:23, Transit: 12:55. Moon - Rise: 20:24, Set: 06:43. Civil Dark: 19:53 - 05:56. Nautical Dark: 20:29 - 05:19. Astro Dark: 21:07 - 04:41

Total Clouds (% Sky Obscured)

30
35
45
60
60
50
45
45
35
35
35
30
30
40
50
65
95
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
9
19
23
5
5
5

Medium Clouds (% Sky Obscured)

0
0
0
2
4
6
13
18
35
35
35
30
30
40
50
65
95
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

30
35
45
55
60
50
45
45
35
35
35
30
30
40
50
50
50
75
86
96
100
100
97
95

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
2
1

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
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
5
5
2
11
20
27
52
70
87

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.3
0.5

Wind Speed/Direction (mph)

10
10
10
10
9
8
8
8
8
8
7
6
5
6
7
7
7
8
8
8
9
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
52
49
48
46
45
43
44
46
47
51
56
61
64
68
72
71
72
72
72
74
75
81
87

Pressure (mb)

1039
1039
1039
1040
1040
1040
1040
1039
1039
1039
1039
1039
1039
1039
1039
1039
1039
1039
1038
1038
1038
1037
1037
1037

Ozone (du)

378
377
376
376
375
373
372
370
369
367
365
364
362
362
362
362
363
364
365
366
366
367
368
370

Friday 3

Waning Gibbous 95%

21:34

07:04

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

Sun - Rise: 06:24, Set: 19:24, Transit: 12:55. Moon - Rise: 21:34, Set: 07:04. Civil Dark: 19:54 - 05:54. Nautical Dark: 20:31 - 05:17. Astro Dark: 21:09 - 04:39

Total Clouds (% Sky Obscured)

100
98
98
98
99
100
99
98
96
96
98
96
92
90
85
91
96
99

Low Clouds (% Sky Obscured)

20
20
15
20
20
20
16
13
29
28
26
30
30
29
34
34
35
35

Medium Clouds (% Sky Obscured)

100
98
96
95
97
100
98
96
93
94
96
96
75
55
35
26
15
5

High Clouds (% Sky Obscured)

95
94
95
95
98
100
84
67
38
15
8
10
13
14
17
34
38
48

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
4
6
7
8

Fog (%)

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

Precipitation Probability (%)

95
95
95
95
95
95
95
90
82
77
71
66
58
47
32
33
27
12

Precipitation Amount (mm)

0.7
0.9
1.1
1
0.9
0.9
0.6
0.5
0.4
0.4
0.4
0.3
0.3
0.2
0
0
0
0

Wind Speed/Direction (mph)

9
9
8
9
9
10
10
9
10
10
10
10
10
9
9
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
94
96
98
98
98
100
100
98
96
96
92
91
87
89
87

Pressure (mb)

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

Ozone (du)

371
373
376
378
379
380
381
381
381
381
381
380
380
375
371
367
365
362

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

Generated: 28/03/26 08:21:56. Forecast: 28/03/26 to 03/04/26. Timezone: UTC-4.00