Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 21

Waxing Crescent 18%

08:10

22:54

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:49, Set: 19:07, Transit: 12:59. Moon - Rise: 08:10, Set: 22:54. Civil Dark: 19:36 - 06:19. Nautical Dark: 20:12 - 05:44. Astro Dark: 20:48 - 05:08

Total Clouds (% Sky Obscured)

83
84
91
100
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
99
97
95
93

Low Clouds (% Sky Obscured)

15
27
29
0
0
28
41
61
70
78
80
90
100
98
97
95
95
94
95
92
91
85
84
83

Medium Clouds (% Sky Obscured)

0
31
64
93
100
100
100
98
95
100
100
100
100
100
100
100
99
100
100
100
96
93
80
43

High Clouds (% Sky Obscured)

83
84
91
100
100
100
70
65
100
100
100
100
100
31
97
43
35
25
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
4
4
2
0
0
0
0
0
0
0
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None

Precipitation Probability (%)

0
0
0
0
0
0
0
1
1
1
0
9
39
68
69
86
95
86
92
93
89
78
58
41

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
2
2
4
3
3
5
7
8
8
8
9
9
10
11
12
12
13
15
15
16
16
17
18

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

47
57
64
63
68
70
68
68
65
64
64
65
66
73
76
79
85
90
91
92
92
94
94
86

Pressure (mb)

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

Ozone (du)

401
402
399
397
399
394
388
388
388
382
381
377
380
370
360
360
361
356
352
352
354
353
357
359

Sunday 22

Waxing Crescent 29%

08:47

00:18

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:47, Set: 19:08, Transit: 12:58. Moon - Rise: 08:47, Set: 00:18. Civil Dark: 19:38 - 06:17. Nautical Dark: 20:13 - 05:42. Astro Dark: 20:49 - 05:06

Total Clouds (% Sky Obscured)

92
92
89
79
90
100
99
100
69
62
53
61
82
79
71
79
87
99
98
100
100
100
100
95

Low Clouds (% Sky Obscured)

83
83
78
75
71
54
45
31
39
29
37
45
72
72
64
76
80
92
90
80
82
84
87
89

Medium Clouds (% Sky Obscured)

27
22
13
0
0
16
51
50
15
15
0
0
0
0
0
0
23
69
73
79
85
83
79
78

High Clouds (% Sky Obscured)

0
0
3
3
84
98
77
70
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

4
8
8
3
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 (%)

22
16
21
7
3
1
0
1
1
0
0
0
0
0
1
0
2
1
4
3
5
5
7
9

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
84
84
87
82
82
81
82
84
82
84
82
80
79
77
77
76
72
69
67
64
62
58
54

Pressure (mb)

1011
1012
1013
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1017
1017
1018
1018
1017
1017
1017
1017
1018

Ozone (du)

360
359
359
357
360
360
359
355
354
354
358
357
355
357
357
362
366
375
380
383
387
389
393
399

Monday 23

Waxing Crescent 29%

09:35

01:37

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 OK
06 OK
07 Good
08 OK
09 OK
10 OK
11 OK
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:45, Set: 19:09, Transit: 12:58. Moon - Rise: 09:35, Set: 01:37. Civil Dark: 19:39 - 06:15. Nautical Dark: 20:14 - 05:40. Astro Dark: 20:51 - 05:03

Total Clouds (% Sky Obscured)

95
97
95
94
93
90
65
62
69
63
73
60
39
19
14
19
26
30
19
62
58
80
99
100

Low Clouds (% Sky Obscured)

88
86
85
85
86
83
65
58
32
25
22
31
27
19
14
18
25
26
15
20
21
33
35
3

Medium Clouds (% Sky Obscured)

74
73
76
75
72
65
63
61
53
43
49
29
13
0
0
0
0
0
3
55
58
80
87
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
3
61
60

ISS Passover

Visibility (miles)

9
9
9
6
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 (%)

19
24
15
26
25
20
5
5
3
2
1
1
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
6
4
4
4
5
5
4
4
4
4
5
4
4
4
4
3
3
6
8
10
11
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

54
61
66
72
75
82
91
92
89
86
81
78
79
77
77
69
60
56
54
51
50
50
53
52

Pressure (mb)

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

Ozone (du)

403
407
411
414
417
419
418
419
416
416
416
411
414
417
417
416
412
412
414
419
424
431
437
447

Tuesday 24

Waxing Crescent 40%

10:36

02:46

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
09 Bad
10 Bad
11 OK
12 OK
13 OK
14 OK
15 OK
16 Bad

Sun - Rise: 06:43, Set: 19:11, Transit: 12:58. Moon - Rise: 10:36, Set: 02:46. Civil Dark: 19:41 - 06:13. Nautical Dark: 20:16 - 05:38. Astro Dark: 20:53 - 05:01

Total Clouds (% Sky Obscured)

100
100
100
93
86
77
85
66
80
69
90
91
80
67
73
62
54
50
45
40
35
34
41
55

Low Clouds (% Sky Obscured)

2
2
38
46
53
62
63
39
42
41
47
78
23
16
6
4
2
50
45
0
0
0
0
0

Medium Clouds (% Sky Obscured)

100
100
100
87
77
69
79
36
45
30
60
60
60
49
50
50
50
45
35
25
14
20
32
41

High Clouds (% Sky Obscured)

60
60
50
30
25
0
0
0
0
0
0
0
0
0
0
12
5
15
15
15
20
15
11
15

ISS Passover

Visibility (miles)

9
9
9
9
1
1
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
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

1
0
2
30
66
47
17
9
8
10
6
9
6
4
1
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0.5
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-6
-6
-6
-7
-8
-8
-8
-8
-7
-7
-7
-8
-10
-12
-14
-15
-15
-14
-14
-12
-11
-10
-9
-8

Dew Point (°C)

-7
-6
-6
-6
-6
-3
-3
-5
-5
-4
-4
-5
-9
-13
-16
-19
-20
-21
-21
-21
-20
-20
-19
-19

Relative Humidity (%)

57
62
67
70
71
87
87
78
79
83
83
78
66
56
49
43
38
35
34
33
32
31
30
31

Pressure (mb)

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

Ozone (du)

456
464
471
472
477
482
492
499
503
503
503
502
501
500
500
497
490
485
479
476
470
460
452
443

Wednesday 25

First Quarter 52%

11:49

03:40

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:41, Set: 19:12, Transit: 12:57. Moon - Rise: 11:49, Set: 03:40. Civil Dark: 19:42 - 06:11. Nautical Dark: 20:17 - 05:36. Astro Dark: 20:54 - 04:59

Total Clouds (% Sky Obscured)

74
87
100
100
100
100
99
98
97
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
2
16
16
15
15
22
34
48
61
73
88
94
96
95
96
99
100
100
100
100
99
98
98

Medium Clouds (% Sky Obscured)

61
82
100
100
100
100
97
94
93
96
98
99
99
100
100
100
100
100
97
93
87
91
95
100

High Clouds (% Sky Obscured)

43
70
100
90
80
73
54
20
0
22
6
1
0
0
0
0
0
0
7
13
24
26
28
40

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
2
8
1
0
0
0
0
0
0
0
0
1
1
1
2
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
None
None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
6
35
33
38
56
65
74
77
80
89
95
95
95
95
95
95
94
76

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
2
3
4
4
5
5
6
7
9
10
11
11
11
11
12
12
12
12
11
10
9
7
6

Chance of Frost

Temperature (°C)

-4
-4
-4
-4
-4
-4
-4
-5
-5
-5
-6
-6
-7
-7
-7
-7
-6
-6
-6
-5
-4
-4
-3
-3

Feels Like (°C)

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

Dew Point (°C)

-18
-17
-17
-16
-16
-15
-15
-15
-14
-13
-9
-8
-8
-8
-8
-8
-7
-7
-7
-6
-5
-5
-5
-5

Relative Humidity (%)

32
33
37
38
40
41
42
44
46
55
79
89
90
90
90
90
92
92
92
90
92
91
91
89

Pressure (mb)

1025
1025
1025
1025
1024
1024
1023
1022
1022
1020
1019
1018
1017
1015
1014
1013
1011
1010
1009
1007
1006
1005
1004
1004

Ozone (du)

440
439
438
435
432
429
426
423
426
428
422
421
420
419
413
410
405
400
395
391
387
384
380
376

Thursday 26

Waxing Gibbous 64%

13:07

04:21

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:39, Set: 19:13, Transit: 12:57. Moon - Rise: 13:07, Set: 04:21. Civil Dark: 19:43 - 06:09. Nautical Dark: 20:19 - 05:34. Astro Dark: 20:56 - 04:57

Total Clouds (% Sky Obscured)

98
95
93
91
89
88
87
83
74
62
53
34
37
40
41
46
57
67
83
96
100
98
95
93

Low Clouds (% Sky Obscured)

98
95
91
90
89
88
78
63
47
36
29
18
25
40
36
31
23
15
20
28
30
24
29
23

Medium Clouds (% Sky Obscured)

96
92
88
78
64
51
48
48
49
40
29
27
23
14
0
4
1
2
0
0
0
0
0
0

High Clouds (% Sky Obscured)

45
39
34
28
22
17
13
8
2
21
41
34
37
40
37
46
46
55
29
15
2
9
19
28

ISS Passover

Visibility (miles)

2
1
1
1
0
0
0
0
0
1
1
1
1
3
6
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

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

Precipitation Probability (%)

68
62
60
65
73
81
75
70
61
42
26
12
14
12
3
4
2
0
4
3
3
5
5
2

Precipitation Amount (mm)

0.3
0.3
0.2
0.3
0.4
0.5
0.4
0.3
0.3
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
6
5
5
6
8
10
8
7
7
6
5
4
4
4
4
5
7
8
7
6
5
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-4
-4
-4
-4
-4
-4
-3
-4
-5
-6
-7
-9
-10
-11
-11
-12
-11
-10
-10
-10
-10
-9
-9
-9

Relative Humidity (%)

89
92
94
96
96
96
98
98
96
98
96
96
94
92
88
85
80
73
69
65
63
60
63
64

Pressure (mb)

1004
1005
1005
1006
1007
1008
1009
1010
1011
1012
1013
1013
1014
1016
1017
1018
1019
1019
1020
1020
1020
1020
1020
1021

Ozone (du)

373
370
367
364
362
360
358
359
360
360
356
351
347
342
338
333
338
342
346
346
345
344
344
344

Friday 27

Waxing Gibbous 74%

14:26

04:51

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

Sun - Rise: 06:37, Set: 19:15, Transit: 12:57. Moon - Rise: 14:26, Set: 04:51. Civil Dark: 19:45 - 06:07. Nautical Dark: 20:20 - 05:32. Astro Dark: 20:57 - 04:55

Total Clouds (% Sky Obscured)

90
87
84
59
41
23
28
28
33
30
32
34
44
51
66
69
71
69
80
89
97

Low Clouds (% Sky Obscured)

4
4
4
12
7
1
20
28
33
30
32
34
36
18
2
6
10
17
39
60
82

Medium Clouds (% Sky Obscured)

0
0
0
0
5
15
28
28
24
26
28
30
40
48
58
64
67
69
80
89
95

High Clouds (% Sky Obscured)

19
9
0
0
0
0
0
0
0
1
2
2
2
0
0
0
3
4
15
20
11

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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-4
-6
-7
-9
-10
-11
-12
-13
-14
-15
-15
-16
-16
-15
-14
-14
-12
-11
-9
-8
-8

Feels Like (°C)

-9
-9
-9
-9
-15
-15
-13
-14
-14
-15
-17
-17
-17
-17
-17
-17
-16
-16
-16
-15
-15

Dew Point (°C)

-9
-10
-11
-12
-13
-14
-14
-15
-16
-17
-17
-18
-19
-18
-17
-17
-16
-15
-14
-13
-13

Relative Humidity (%)

65
69
74
78
80
80
83
83
83
82
82
81
81
80
79
79
75
72
69
67
67

Pressure (mb)

1021
1021
1022
1023
1023
1024
1024
1024
1025
1025
1025
1025
1026
1026
1027
1027
1027
1028
1028
1028
1027

Ozone (du)

344
355
367
378
386
394
402
399
396
393
398
403
409
413
416
420
431
442
453
465
478

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

Generated: 21/03/26 17:09:13. Forecast: 21/03/26 to 27/03/26. Timezone: UTC-4.00