Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 25

First Quarter 52%

10:26

03:34

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: 06:33, Set: 19:04, Transit: 12:49. Moon - Rise: 10:26, Set: 03:34. Civil Dark: 19:34 - 06:03. Nautical Dark: 20:10 - 05:27. Astro Dark: 20:47 - 04:50

Total Clouds (% Sky Obscured)

51
62
71
82
72
52
56
54
90
100
100
100
100
100
100
100
100
100
100
100
98
99
99
99

Low Clouds (% Sky Obscured)

1
0
0
2
1
3
2
14
12
17
20
25
15
15
82
96
87
96
82
75
93
94
94
87

Medium Clouds (% Sky Obscured)

51
62
71
78
72
34
50
43
81
100
100
100
100
100
100
100
100
100
100
100
95
98
96
98

High Clouds (% Sky Obscured)

0
0
9
82
57
52
56
54
82
100
100
100
100
100
100
100
100
100
100
45
40
3
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
0
0
0
1
0
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
None
None
None
None
None
None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
16
51
73
83
85
89
82
94
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.4
0.3
0.4
0.3
0.5
0.5
0.8
0.9

Wind Speed/Direction (mph)

10
10
10
12
11
10
10
9
7
4
2
4
4
4
5
6
8
8
7
6
6
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-16
-16
-16
-17
-16
-14
-13
-12
-11
-11
-10
-12
-12
-12
-11
-11
-10
-9
-8
-7
-6
-6
-6
-6

Dew Point (°C)

-14
-15
-15
-16
-16
-15
-14
-14
-13
-12
-11
-11
-11
-11
-10
-8
-7
-6
-5
-5
-4
-3
-3
-3

Relative Humidity (%)

69
64
61
60
58
58
57
57
58
64
76
77
80
80
83
90
92
94
94
96
96
98
96
96

Pressure (mb)

1028
1029
1029
1029
1028
1027
1027
1026
1026
1026
1025
1024
1024
1023
1021
1019
1017
1015
1013
1012
1010
1009
1008
1007

Ozone (du)

506
492
483
481
477
470
462
457
448
439
435
433
427
429
436
433
431
429
427
426
433
434
432
433

Thursday 26

Waxing Gibbous 64%

11:39

04:14

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 Good
08 Good

Sun - Rise: 06:31, Set: 19:05, Transit: 12:49. Moon - Rise: 11:39, Set: 04:14. Civil Dark: 19:35 - 06:01. Nautical Dark: 20:11 - 05:25. Astro Dark: 20:48 - 04:48

Total Clouds (% Sky Obscured)

97
98
100
94
92
95
100
100
100
100
100
100
100
100
100
100
100
100
99
99
98
76
1
1

Low Clouds (% Sky Obscured)

89
93
100
88
80
78
79
92
63
75
68
72
88
63
63
84
82
79
92
99
95
68
1
1

Medium Clouds (% Sky Obscured)

94
96
78
67
64
45
58
97
100
100
100
100
100
100
100
96
100
99
95
32
26
10
0
0

High Clouds (% Sky Obscured)

0
0
0
1
8
0
100
100
100
100
100
100
98
49
90
97
85
85
78
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
1
1
1
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
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
74
56
17
22
13
22
29
46
57
61
53
47
51
40
32
28
16
18
11
4
2

Precipitation Amount (mm)

0.9
0.9
1
0.4
0.2
0
0
0
0
0
0.2
0.3
0.4
0.2
0.2
0.3
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-3
-4
-5
-4
-3
-3
-2
-2
-2
-3
-3
-4
-3
-4
-4
-5
-6
-7
-8
-10
-12
-13
-14

Dew Point (°C)

-1
-1
-1
-2
-1
0
1
2
2
1
0
-1
-1
-1
-1
-1
-2
-3
-4
-5
-6
-9
-11
-12

Relative Humidity (%)

98
98
98
96
96
98
98
98
98
98
98
98
100
98
98
98
98
98
96
96
96
82
80
78

Pressure (mb)

1007
1006
1006
1006
1006
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1006
1006
1007
1007
1008
1010
1011
1013
1014

Ozone (du)

432
431
433
432
418
415
402
393
392
385
375
379
379
379
376
378
373
366
364
369
377
379
385
391

Friday 27

Waxing Gibbous 74%

12:57

04:44

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

Sun - Rise: 06:29, Set: 19:07, Transit: 12:49. Moon - Rise: 12:57, Set: 04:44. Civil Dark: 19:37 - 05:59. Nautical Dark: 20:13 - 05:23. Astro Dark: 20:50 - 04:45

Total Clouds (% Sky Obscured)

1
1
2
35
45
59
60
50
45
40
35
35
32
7
7
8
17
23
18
5
0
10
20
47

Low Clouds (% Sky Obscured)

1
1
1
25
35
47
40
30
30
25
25
20
3
2
2
2
2
1
0
0
0
0
1
2

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
9
26
2
2
2
11
18
9
5
0
10
10
40

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
1
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
1
13
0
1
0
0
0
0
0
0
1
1
0
1
1
0
1

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
14
15
14
14
14
14
14
13
12
10
9
9
8
7
6
5
4
4
4
3
3
3
3

Chance of Frost

Temperature (°C)

-9
-9
-9
-8
-7
-7
-7
-7
-8
-9
-10
-12
-13
-14
-16
-17
-18
-19
-19
-20
-20
-20
-19
-18

Feels Like (°C)

-15
-15
-15
-14
-14
-14
-14
-14
-15
-15
-16
-18
-19
-19
-19
-20
-21
-22
-23
-24
-24
-24
-23
-22

Dew Point (°C)

-12
-13
-13
-13
-13
-12
-12
-12
-12
-13
-14
-15
-16
-17
-18
-20
-21
-22
-22
-22
-22
-22
-22
-20

Relative Humidity (%)

78
75
71
68
66
66
67
70
71
72
75
76
78
81
81
81
82
80
81
80
80
80
80
79

Pressure (mb)

1016
1018
1019
1019
1019
1020
1020
1021
1022
1022
1024
1025
1026
1027
1027
1028
1029
1029
1030
1030
1031
1031
1031
1032

Ozone (du)

392
400
404
403
403
404
403
395
391
390
393
395
398
400
403
407
411
412
415
422
440
457
477
503

Saturday 28

Waxing Gibbous 83%

14:16

05:08

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: 06:27, Set: 19:08, Transit: 12:49. Moon - Rise: 14:16, Set: 05:08. Civil Dark: 19:38 - 05:57. Nautical Dark: 20:14 - 05:21. Astro Dark: 20:52 - 04:43

Total Clouds (% Sky Obscured)

78
100
97
94
89
78
70
60
67
77
90
82
76
69
69
76
83
76
67
99
97
86
77
67

Low Clouds (% Sky Obscured)

4
30
40
50
50
40
35
35
35
7
3
15
10
10
29
48
67
73
67
98
83
61
40
43

Medium Clouds (% Sky Obscured)

72
100
94
88
83
68
55
44
60
75
90
47
41
40
41
15
11
25
38
45
46
37
34
25

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
8
7
7
5
9
9
9
9
9
8
1
0
8
9
9
9
3
7
3
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
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
1
1
2
1
15
5
2
0
0
1
4
8
33
24
14
13
9
13
13
13
11
8

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-20
-20
-19
-18
-17
-16
-15
-14
-15
-14
-16
-17
-17
-17
-17
-16
-15
-15
-15
-15
-15
-16
-16
-15

Dew Point (°C)

-19
-19
-19
-18
-17
-16
-15
-14
-14
-13
-14
-15
-15
-14
-13
-12
-12
-12
-13
-13
-12
-12
-13
-11

Relative Humidity (%)

75
69
65
64
65
65
68
69
69
74
81
81
81
81
86
90
85
85
86
88
86
88
88
90

Pressure (mb)

1032
1032
1032
1031
1031
1030
1030
1030
1029
1029
1029
1030
1029
1029
1029
1029
1028
1029
1029
1029
1029
1030
1031
1031

Ozone (du)

519
522
512
506
500
504
503
500
492
484
490
499
501
498
487
481
482
484
478
470
466
467
465
463

Sunday 29

Waxing Gibbous 91%

15:33

05:27

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: 06:25, Set: 19:09, Transit: 12:48. Moon - Rise: 15:33, Set: 05:27. Civil Dark: 19:40 - 05:55. Nautical Dark: 20:16 - 05:19. Astro Dark: 20:53 - 04:41

Total Clouds (% Sky Obscured)

70
64
74
69
72
79
88
92
88
85
68
66
64
63
77
87
96
98
99
100
100
100
100
99

Low Clouds (% Sky Obscured)

60
63
74
69
72
73
66
58
43
29
22
31
36
42
57
70
84
67
51
35
54
74
93
94

Medium Clouds (% Sky Obscured)

14
7
5
2
0
7
16
25
22
15
12
20
27
33
43
56
63
67
77
85
89
95
100
98

High Clouds (% Sky Obscured)

0
0
0
0
0
2
2
1
0
0
0
0
0
1
7
22
45
57
75
84
83
87
85
67

ISS Passover

Visibility (miles)

8
9
4
6
5
9
5
3
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
Snow

Precipitation Probability (%)

7
5
10
3
8
11
14
15
4
2
1
5
5
3
12
14
13
11
10
8
12
13
9
48

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
0.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
80
74
69
69
66
75
75
78
79
82
87
85
83
82
82
84
82
82
84
85
84
82
83

Pressure (mb)

1032
1032
1032
1032
1031
1031
1030
1030
1030
1030
1030
1029
1029
1028
1028
1027
1026
1025
1024
1023
1022
1020
1019
1017

Ozone (du)

463
463
449
438
438
441
443
443
443
443
440
434
430
425
421
420
419
418
418
417
417
415
412
410

Monday 30

Waxing Gibbous 96%

16:46

05:44

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: 06:23, Set: 19:11, Transit: 12:48. Moon - Rise: 16:46, Set: 05:44. Civil Dark: 19:41 - 05:53. Nautical Dark: 20:17 - 05:17. Astro Dark: 20:55 - 04:38

Total Clouds (% Sky Obscured)

98
98
97
96
95
80
65
53
58
48
47
47
51
64
68
73
80
82
86
84
79
72
68
84

Low Clouds (% Sky Obscured)

95
96
95
92
90
76
61
38
29
21
12
11
11
10
36
52
68
50
35
16
21
18
11
14

Medium Clouds (% Sky Obscured)

96
94
90
86
82
72
65
53
58
48
47
47
51
53
52
51
55
64
77
84
64
43
23
19

High Clouds (% Sky Obscured)

68
64
55
55
60
71
65
53
58
48
47
47
51
55
40
40
55
61
74
84
79
72
68
84

ISS Passover

Visibility (miles)

9
9
9
6
3
0
0
0
0
0
0
0
0
0
0
0
0
1
3
6
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
Snow
Snow
Snow
Light Rain
Light Rain
Snow
Snow
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

67
81
88
91
90
95
95
95
95
95
95
95
93
69
56
43
28
22
16
2
5
4
1
2

Precipitation Amount (mm)

0.3
0.4
0.5
0.5
0.4
0.7
0.9
1
1.3
1.5
1.6
1.1
0.7
0.3
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
7
8
10
12
12
12
12
11
9
8
8
7
7
6
6
6
7
7
7
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
81
80
84
93
100
100
100
100
98
98
98
98
98
100
98
98
98
94
94
92
92
90
90

Pressure (mb)

1016
1014
1013
1012
1011
1010
1010
1010
1009
1010
1010
1011
1011
1012
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021

Ozone (du)

409
409
408
407
406
404
404
405
405
404
404
403
404
405
406
408
410
411
410
410
409
411
412
414

Tuesday 31

Waxing Gibbous 99%

17:57

06:00

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

Sun - Rise: 06:21, Set: 19:12, Transit: 12:48. Moon - Rise: 17:57, Set: 06:00. Civil Dark: 19:42 - 05:51. Nautical Dark: 20:19 - 05:14. Astro Dark: 20:57 - 04:36

Total Clouds (% Sky Obscured)

83
78
73
68
62
65
71
75
84
91
98
98
99
100
100
100
100

Low Clouds (% Sky Obscured)

16
19
20
22
24
29
30
31
24
16
9
12
15
15
25
28
32

Medium Clouds (% Sky Obscured)

18
18
24
36
47
41
31
23
34
46
57
72
85
99
84
74
65

High Clouds (% Sky Obscured)

82
72
13
6
0
21
42
63
76
88
98
74
55
51
67
89
100

ISS Passover

Visibility (miles)

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

Precipitation Type

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
3
6
7

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
10
12
12
12
13
12
12
11
9
7
5
4
4
5
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
78
71
68
66
63
63
63
62
68
72
79
79
77
77
75
75

Pressure (mb)

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

Ozone (du)

413
411
409
408
406
405
401
398
394
391
389
386
385
385
384
382
380

Forecast for Sainte-Marie, Chaudière-Appalaches, Canada (46.41,-71.06)

Generated: 25/03/26 09:22:14. Forecast: 25/03/26 to 31/03/26. Timezone: UTC-4.00