Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 19

Waxing Crescent 1%

07:20

20:10

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 OK
02 OK
03 OK
04 OK
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:53, Set: 19:04, Transit: 12:59. Moon - Rise: 07:20, Set: 20:10. Civil Dark: 19:34 - 06:23. Nautical Dark: 20:09 - 05:48. Astro Dark: 20:45 - 05:12

Total Clouds (% Sky Obscured)

99
99
99
98
94
94
93
94
89
86
73
55
41
25
34
34
57
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

89
90
92
95
85
86
85
73
65
78
63
52
41
25
0
0
3
5
3
9
35
54
85
96

Medium Clouds (% Sky Obscured)

92
92
58
51
38
34
15
38
39
26
14
11
0
0
34
10
53
98
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
23
9
87
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
0
0
0
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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

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

Precipitation Probability (%)

60
58
31
51
53
48
33
12
31
14
11
9
2
0
0
0
0
0
1
1
6
27
45
70

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
53
52
66
94
96
100
92
86
89
92
91
83
80
76
76
78
79
78
73
68
68
72
76

Pressure (mb)

1020
1019
1018
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1019
1019
1019
1019
1019
1018
1017
1016

Ozone (du)

411
411
412
412
413
414
415
415
415
418
418
419
420
417
414
409
405
403
403
402
402
400
401
403

Friday 20

Waxing Crescent 4%

07:43

21:31

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 OK
06 OK
07 OK
08 Good
09 Good
10 Bad
11 OK
12 Bad

Sun - Rise: 06:51, Set: 19:05, Transit: 12:59. Moon - Rise: 07:43, Set: 21:31. Civil Dark: 19:35 - 06:21. Nautical Dark: 20:10 - 05:46. Astro Dark: 20:46 - 05:10

Total Clouds (% Sky Obscured)

100
100
100
99
97
97
97
100
92
100
98
99
98
92
89
66
29
22
34
7
11
59
29
60

Low Clouds (% Sky Obscured)

100
100
100
97
92
91
90
89
84
87
88
90
89
83
75
48
18
12
14
2
10
1
3
16

Medium Clouds (% Sky Obscured)

100
100
100
98
89
29
43
60
72
100
93
96
91
71
56
36
6
0
0
0
0
59
29
33

High Clouds (% Sky Obscured)

100
100
100
65
17
4
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
4
0
0

ISS Passover

Visibility (miles)

1
0
0
0
0
0
0
0
0
2
0
1
1
4
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
None
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
79
56
39
34
23
39
39
39
38
24
9
4
1
0
1
0
0
0
0
0

Precipitation Amount (mm)

0.8
1.2
1.4
1
0.4
0.2
0.1
0.1
0
0.1
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
91
92
94
96
94
98
96
94
94
94
94
94
94
92
91
92
92
90
87
81
79
78
70

Pressure (mb)

1015
1013
1011
1010
1009
1009
1008
1008
1008
1009
1009
1009
1010
1011
1011
1012
1012
1013
1014
1015
1015
1016
1016
1016

Ozone (du)

403
403
404
406
406
409
412
414
414
416
416
419
421
420
420
425
430
433
433
430
430
426
418
416

Saturday 21

Waxing Crescent 10%

08:10

22:54

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
09 Bad
10 Bad
11 Bad
12 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)

100
57
87
100
100
100
95
100
98
100
100
100
100
100
100
100
96
86
78
72
65
57
65
73

Low Clouds (% Sky Obscured)

28
17
25
3
1
24
25
25
20
38
68
76
77
80
53
51
51
63
40
41
46
40
50
55

Medium Clouds (% Sky Obscured)

26
29
60
100
100
100
95
100
94
80
85
54
100
100
100
100
94
78
72
54
29
8
7
6

High Clouds (% Sky Obscured)

82
57
85
100
86
70
88
51
18
66
70
36
100
28
30
34
65
65
60
25
4
6
6
8

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
9
9
9
8
4

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 (%)

2
0
0
0
0
0
0
0
0
0
0
4
7
9
9
12
12
26
8
5
4
4
16
10

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
56
52
50
60
69
78
84
89
92
94
94
92
92
92
92
91
92
94
92
87
83
80
78

Pressure (mb)

1016
1015
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1013
1014
1014
1014
1015
1015
1016
1016
1016

Ozone (du)

415
415
413
409
408
408
409
408
410
409
405
402
399
398
396
394
384
378
372
365
363
357
353
353

Sunday 22

Waxing Crescent 18%

08:47

00:18

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
09 Bad
10 Bad
11 Bad
12 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)

69
79
89
100
100
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98

Low Clouds (% Sky Obscured)

54
50
37
25
25
19
2
20
33
95
100
100
100
100
100
100
100
100
100
100
100
100
98
96

Medium Clouds (% Sky Obscured)

6
25
41
56
89
74
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
94
87

High Clouds (% Sky Obscured)

23
59
78
99
96
98
100
100
100
100
100
100
100
72
43
15
15
11
0
0
0
0
0
0

ISS Passover

Visibility (miles)

6
5
6
9
9
9
9
9
9
3
2
1
0
0
0
0
0
0
0
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

9
5
19
3
1
0
0
12
28
39
91
95
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.5
1.1
1.8
2.3
2.4
2.1
1.8
1.5
1.2
1.3
1.6
1.9
2.1
1.6

Wind Speed/Direction (mph)

7
7
7
7
7
6
6
5
7
9
10
12
15
17
17
18
19
19
19
19
20
20
20
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-1
-2
-2
-3
-3
-4
-5
-6
-7
-7
-8
-10
-10
-11
-11
-12
-12
-12
-13
-13
-14
-14
-14

Dew Point (°C)

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

Relative Humidity (%)

73
69
69
62
62
65
71
70
66
66
81
86
89
89
91
92
91
94
92
90
91
91
91
92

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1016
1016
1015
1014
1013
1012
1010
1009
1007
1006
1005
1003
1002
1002
1001
1000
1000

Ozone (du)

353
349
346
345
344
340
336
338
335
331
329
326
324
319
319
319
319
326
334
339
343
346
353
357

Monday 23

Waxing Crescent 29%

09:35

01:37

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
09 OK
10 Good
11 Good
12 Good

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)

97
96
97
97
97
97
97
98
99
99
100
100
100
100
100
100
84
74
66
56
37
14
11
7

Low Clouds (% Sky Obscured)

93
92
93
94
94
94
94
93
92
94
92
90
18
57
41
25
11
17
18
21
17
14
11
6

Medium Clouds (% Sky Obscured)

81
82
83
83
86
89
93
94
95
96
96
98
99
100
100
100
84
74
66
49
26
1
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
4
13
25
30
30
30
30
10
6
11
21
23
18
14
10
5
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
1
0
0
2
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

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

Precipitation Probability (%)

95
95
95
95
95
95
77
59
49
39
28
19
6
25
20
9
9
7
3
3
2
0
0
0

Precipitation Amount (mm)

1.5
1.9
1.9
1.5
1
0.7
0.4
0.2
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-4
-4
-3
-3
-4
-4
-6
-7
-7
-7
-7
-9
-10
-11
-11
-11
-11
-11
-12
-12
-11
-11
-10
-8

Relative Humidity (%)

92
94
96
94
94
94
90
87
89
89
85
74
74
73
76
77
78
80
81
81
75
69
64
67

Pressure (mb)

1000
1000
1001
1002
1004
1006
1008
1010
1011
1012
1014
1015
1016
1017
1013
1014
1015
1017
1019
1020
1021
1022
1023
1023

Ozone (du)

361
368
373
373
373
374
378
382
387
394
399
403
406
408
410
412
414
418
421
424
424
423
423
416

Tuesday 24

Waxing Crescent 40%

10:36

02:46

13 Good
14 Good
15 Good
16 OK
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

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)

3
9
16
23
46
65
83
88
92
100
100
100
100
100
100
100
100
97
92
87
90
93
95
98

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
25
48
71
66
71
76
71
63
61
68
70
74
70
70

Medium Clouds (% Sky Obscured)

0
6
11
15
37
61
81
83
90
100
100
100
100
100
100
100
100
97
92
87
90
85
77
73

High Clouds (% Sky Obscured)

0
0
0
0
12
25
20
30
24
30
30
25
25
29
28
41
29
16
3
2
1
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
4
3
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
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
4
3
0
6
9
12
35
45
54
57
59
60
55
47

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
10
10
10
11
10
10
11
10
10
10
9
9
9
9
9
9
9
9
9
9
10
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-9
-8
-3
-3
-3
-4
-4
-4
-9
-9
-9
-9
-9
-10
-11
-12
-11
-11
-12
-12
-10
-10
-9
-8

Dew Point (°C)

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

Relative Humidity (%)

69
72
77
80
84
86
86
87
87
89
89
89
89
87
87
87
87
90
92
96
96
96
96
98

Pressure (mb)

1023
1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1022
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

409
401
403
404
405
406
407
408
412
416
420
423
427
431
440
450
460
467
475
482
488
494
500
501

Wednesday 25

First Quarter 52%

11:49

03:40

13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
19 Good
20 Good
21 Good
22 Good
23 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 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)

100
89
78
67
46
26
6
8
12
18
22
40
36
57
79
99
99
100
100

Low Clouds (% Sky Obscured)

70
53
42
38
27
15
2
3
2
2
16
31
36
57
66
69
81
88
90

Medium Clouds (% Sky Obscured)

70
47
23
5
4
4
3
4
4
5
5
5
5
9
13
20
49
75
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
8
12
18
22
40
36
57
75
98
99
99
100

ISS Passover

Visibility (miles)

0
0
3
6
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

Precipitation Type

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

Precipitation Probability (%)

37
35
33
29
20
11
0
0
0
0
20
28
33
55
68
79
71
59
42

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.4
0.3
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

0
1
1
0
-0
-3
-5
-7
-8
-9
-10
-11
-11
-12
-12
-12
-12
-11
-10

Feels Like (°C)

-8
-7
-4
-4
-4
-4
-4
-3
-11
-11
-11
-11
-10
-11
-15
-15
-15
-15
-15

Dew Point (°C)

-0
1
-1
-3
-5
-7
-9
-10
-11
-12
-13
-14
-14
-14
-14
-14
-13
-13
-12

Relative Humidity (%)

98
100
89
80
71
73
74
77
78
78
80
80
81
83
83
85
86
85
83

Pressure (mb)

1020
1020
1021
1021
1022
1022
1023
1024
1024
1024
1024
1023
1023
1022
1021
1020
1019
1017
1015

Ozone (du)

502
503
496
489
482
470
458
445
435
424
414
407
400
394
391
388
385
379
373

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

Generated: 19/03/26 13:31:12. Forecast: 19/03/26 to 25/03/26. Timezone: UTC-4.00