Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 26

Waxing Gibbous 64%

13:12

04:21

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

Sun - Rise: 06:42, Set: 19:16, Transit: 12:59. Moon - Rise: 13:12, Set: 04:21. Civil Dark: 19:46 - 06:12. Nautical Dark: 20:20 - 05:37. Astro Dark: 20:56 - 05:00

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
88
67
22
27
16
1
1
0
0
1
1
2
2
18
36
40
62
86

Low Clouds (% Sky Obscured)

82
77
74
53
79
97
72
37
19
27
16
0
0
0
0
0
0
1
1
9
24
20
53
71

Medium Clouds (% Sky Obscured)

63
100
99
98
99
85
30
26
2
0
0
0
0
0
0
0
0
0
0
0
1
35
17
23

High Clouds (% Sky Obscured)

100
100
100
100
100
78
2
21
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

5
9
1
0
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

Very 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 (%)

53
8
4
18
6
5
6
4
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.3
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
7
8
10
11
11
12
12
12
12
11
12
12
11
10
10
9
8
7
6
6
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-1
-2
-3
-3
-5
-6
-8
-10
-10
-11
-12
-13
-13
-12
-11
-10
-9
-8
-7
-7
-8
-8
-8

Dew Point (°C)

1
1
1
1
-1
-3
-4
-6
-8
-10
-11
-13
-15
-16
-16
-16
-16
-15
-15
-15
-14
-14
-14
-13

Relative Humidity (%)

98
100
100
98
86
77
75
74
70
69
67
64
59
53
50
49
45
45
43
42
43
42
44
48

Pressure (mb)

1005
1006
1006
1007
1007
1008
1010
1012
1013
1015
1017
1019
1021
1022
1023
1024
1024
1023
1023
1023
1023
1023
1023
1024

Ozone (du)

334
333
332
336
339
334
327
323
325
327
326
327
329
331
336
348
355
356
359
359
356
355
360
364

Friday 27

Waxing Gibbous 74%

14:29

04:52

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

Sun - Rise: 06:40, Set: 19:17, Transit: 12:59. Moon - Rise: 14:29, Set: 04:52. Civil Dark: 19:47 - 06:10. Nautical Dark: 20:21 - 05:35. Astro Dark: 20:58 - 04:58

Total Clouds (% Sky Obscured)

100
100
100
100
93
75
94
74
85
67
59
25
11
9
11
60
83
85
95
92
86
100
98
10

Low Clouds (% Sky Obscured)

78
34
27
25
20
30
60
47
68
39
27
3
2
3
4
60
71
73
83
78
73
100
95
1

Medium Clouds (% Sky Obscured)

100
100
100
100
90
52
65
42
54
50
28
17
3
3
2
0
1
0
20
17
0
65
20
8

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
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
7
3
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
Snow
None
None

Precipitation Probability (%)

0
0
3
1
2
4
5
7
5
13
2
3
0
0
0
0
2
4
5
4
9
31
12
2

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
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

53
54
53
54
52
52
54
53
52
50
50
49
46
41
38
36
37
37
36
40
41
43
51
50

Pressure (mb)

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

Ozone (du)

371
369
372
383
390
397
404
407
416
428
437
459
485
510
515
513
505
498
495
492
491
486
481
474

Saturday 28

Waxing Gibbous 83%

15:45

05:16

20 OK
21 Bad
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

Sun - Rise: 06:38, Set: 19:19, Transit: 12:58. Moon - Rise: 15:45, Set: 05:16. Civil Dark: 19:49 - 06:08. Nautical Dark: 20:23 - 05:33. Astro Dark: 20:59 - 04:56

Total Clouds (% Sky Obscured)

30
62
96
86
85
97
88
87
93
99
82
87
92
96
94
95
86
88
87
86
87
85
83
79

Low Clouds (% Sky Obscured)

30
53
66
65
85
83
71
39
69
50
59
51
63
55
86
76
10
10
22
35
47
42
31
25

Medium Clouds (% Sky Obscured)

0
15
67
76
67
72
70
66
71
62
64
59
86
85
93
80
86
87
80
78
78
79
81
51

High Clouds (% Sky Obscured)

0
1
8
6
2
3
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
5
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Sleet
Sleet
Snow
None

Precipitation Probability (%)

0
0
0
2
1
1
5
8
10
12
7
9
9
8
13
6
4
4
13
31
59
67
43
19

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.1
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-12
-13
-13
-13
-13
-12
-11
-11
-11
-11
-10
-7
-7
-8
-7
-7
-7
-8
-8
-8
-5
1
3
3

Relative Humidity (%)

51
52
52
54
55
57
60
59
58
58
64
81
76
65
63
58
55
46
41
40
52
79
98
96

Pressure (mb)

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

Ozone (du)

474
473
472
473
470
467
460
455
448
443
442
441
437
441
445
449
451
450
448
442
439
434
429
427

Sunday 29

Waxing Gibbous 91%

16:57

05:36

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

Sun - Rise: 06:36, Set: 19:20, Transit: 12:58. Moon - Rise: 16:57, Set: 05:36. Civil Dark: 19:50 - 06:06. Nautical Dark: 20:24 - 05:30. Astro Dark: 21:01 - 04:53

Total Clouds (% Sky Obscured)

75
79
89
74
60
46
48
49
57
58
56
55
55
55
55
56
48
44
61
76
94
96
98
100

Low Clouds (% Sky Obscured)

30
44
74
74
44
22
16
8
4
4
4
4
29
55
55
56
48
44
61
45
40
40
8
0

Medium Clouds (% Sky Obscured)

48
49
48
70
55
45
45
49
57
58
56
55
55
55
55
56
48
44
23
47
70
95
97
100

High Clouds (% Sky Obscured)

0
1
3
5
5
5
11
23
33
22
11
1
11
2
2
3
1
4
10
12
18
45
73
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
2
2
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 (%)

3
3
2
4
4
3
3
2
0
0
0
0
2
8
14
21
33
14
6
6
3
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
96
96
94
93
94
94
94
94
94
96
94
91
84
84
83
85
82
85
88
82
76
67
68

Pressure (mb)

1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1021
1020
1020
1020
1019
1020
1020
1020

Ozone (du)

425
422
418
417
417
415
416
414
411
411
410
409
409
409
408
409
408
408
409
410
411
413
412
412

Monday 30

Waxing Gibbous 96%

18:08

05:53

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

Sun - Rise: 06:34, Set: 19:21, Transit: 12:58. Moon - Rise: 18:08, Set: 05:53. Civil Dark: 19:51 - 06:04. Nautical Dark: 20:25 - 05:28. Astro Dark: 21:03 - 04:51

Total Clouds (% Sky Obscured)

75
100
100
63
59
99
100
100
100
95
93
100
93
85
75
83
92
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
18
30
42
37
33
23
22
35
64
59
62
61
70
71
69
41
39
44
52
68
75

Medium Clouds (% Sky Obscured)

75
97
100
63
58
97
99
100
98
93
93
68
81
85
75
83
77
78
77
79
82
87
92
97

High Clouds (% Sky Obscured)

75
100
100
63
59
99
100
100
98
63
30
30
39
62
64
79
89
98
95
96
94
93
95
97

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

Precipitation Probability (%)

0
0
0
2
3
3
5
6
6
25
34
37
60
57
56
51
43
33
28
21
13
11
8
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-2
-1
-1
-1
-2
-2
-3
-4
-5
-5
-6
-7
-10
-11
-12
-13
-13
-14
-14
-14
-14
-14
-13
-12

Relative Humidity (%)

73
77
80
79
78
77
74
71
69
70
67
62
53
48
42
38
37
35
34
33
34
34
37
40

Pressure (mb)

1021
1021
1021
1022
1022
1022
1022
1022
1023
1023
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1024
1023

Ozone (du)

412
413
413
414
414
414
413
413
415
415
417
418
417
414
412
409
407
405
402
401
400
399
398
398

Tuesday 31

Waxing Gibbous 99%

19:17

06:10

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

Sun - Rise: 06:32, Set: 19:23, Transit: 12:57. Moon - Rise: 19:17, Set: 06:10. Civil Dark: 19:53 - 06:02. Nautical Dark: 20:27 - 05:26. Astro Dark: 21:04 - 04:49

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)

83
92
100
100
100
100
98
97
96
97
98
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

98
99
100
100
100
100
99
98
98
98
98
98
98
98
98
80
61
40
60
80
100
100
100
100

High Clouds (% Sky Obscured)

93
87
77
88
96
100
99
99
98
99
100
100
100
100
100
89
78
72
83
94
85
84
91
98

ISS Passover

Visibility (miles)

9
6
3
0
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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

None
Ice pellet
Ice pellet
Ice pellet
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Light Rain
Light Rain
Light Rain
Light Rain
Sleet
Very Light Rain
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

38
58
76
95
95
95
95
95
95
95
95
95
95
95
95
83
59
33
69
95
95
95
95
95

Precipitation Amount (mm)

0
0.2
0.4
0.7
0.9
0.9
0.9
0.9
0.9
0.8
0.7
0.9
1.2
1.2
0.9
0.5
0.2
0
0.3
0.6
1
1.2
1.3
1.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-0
-1
-1
-1
-1
-1
-1
-1
-0
-0
0
0
0
1
1
1
1
1
1
1
1
1
1
1

Feels Like (°C)

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

Dew Point (°C)

-11
-9
-8
-6
-5
-3
-1
-1
-1
-1
0
0
0
1
1
1
1
1
1
1
1
1
1
1

Relative Humidity (%)

45
51
59
66
74
84
96
96
98
98
100
100
100
100
100
100
98
100
100
100
100
100
100
98

Pressure (mb)

1023
1022
1021
1020
1019
1018
1017
1016
1015
1014
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1012

Ozone (du)

397
395
393
391
389
388
386
384
382
380
378
375
373
372
371
370
367
364
361
359
357
355
354
354

Wednesday 1

Full Moon 100%

No Rise

06:27

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:30, Set: 19:24, Transit: 12:57. Moon - Rise: No Rise, Set: 06:27. Civil Dark: 19:54 - 06:00. Nautical Dark: 20:28 - 05:24. Astro Dark: 21:06 - 04:47

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99

Medium Clouds (% Sky Obscured)

92
86
79
70
65
60
70
79
81
77
73
69
70
71
77
86
84
78

High Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
100
100
92
84
75
84
92
100

ISS Passover

Visibility (miles)

2
2
1
1
1
0
0
0
0
0
0
0
0
3
6
8
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

95
63
27
23
33
52
85
95
95
95
95
81
65
50
36
31
29
26

Precipitation Amount (mm)

0.7
0.2
0
0
0
0
0.4
0.7
0.8
0.8
0.7
0.4
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
6
6
6
6
6
5
5
4
2
3
5
9
13
17
18
19

Chance of Frost

Temperature (°C)

1
1
1
1
1
1
1
1
1
1
2
3
5
7
10
13
14
15

Feels Like (°C)

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

Dew Point (°C)

1
1
1
1
1
1
1
1
1
1
2
3
5
7
8
10
11
11

Relative Humidity (%)

98
100
100
100
100
100
98
100
98
100
100
100
100
94
88
84
79
74

Pressure (mb)

1012
1012
1012
1012
1012
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

354
351
348
345
342
340
337
335
334
333
332
330
329
327
326
324
322
321

Forecast for Le Vieux-Port, Montréal, Canada (45.50,-73.57)

Generated: 26/03/26 20:23:56. Forecast: 26/03/26 to 01/04/26. Timezone: UTC-4.00