Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 5

Waning Gibbous 84%

23:50

08:01

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: 06:20, Set: 19:27, Transit: 12:54. Moon - Rise: 23:50, Set: 08:01. Civil Dark: 19:57 - 05:50. Nautical Dark: 20:34 - 05:13. Astro Dark: 21:12 - 04:34

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
95
82
60
95
94
99
87
89
89
92
95
97
96
100
98
94
96
93

Low Clouds (% Sky Obscured)

100
97
67
85
83
93
82
65
54
77
58
98
47
53
81
67
69
80
82
86
83
84
90
91

Medium Clouds (% Sky Obscured)

100
100
99
100
98
55
46
0
0
42
41
55
36
37
39
39
77
90
67
74
85
80
69
50

High Clouds (% Sky Obscured)

100
100
100
100
100
65
55
35
20
0
0
0
0
0
0
0
0
0
0
2
2
3
3
18

ISS Passover

Visibility (miles)

9
4
8
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

Light Rain
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

Precipitation Probability (%)

92
58
42
27
24
24
22
25
24
26
22
21
16
7
4
17
19
14
19
14
9
7
19
21

Precipitation Amount (mm)

0.6
0.3
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
7
11
13
14
13
13
14
15
15
13
11
11
11
12
13
13
12
11
10
11
10
9
10

Chance of Frost

Temperature (°C)

5
5
6
7
8
7
7
7
8
7
7
6
5
4
4
3
2
2
2
1
1
0
0
0

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
93
93
79
78
81
79
77
71
74
76
76
76
77
80
89
89
80
78
75
73
73
69

Pressure (mb)

1003
1003
1004
1004
1003
1003
1003
1003
1003
1003
1003
1003
1004
1004
1004
1004
1004
1004
1005
1006
1006
1007
1008
1009

Ozone (du)

337
340
340
340
341
343
347
351
350
352
350
352
358
364
368
371
371
374
376
378
385
391
397
401

Monday 6

Waning Gibbous 76%

00:53

08:42

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: 06:18, Set: 19:28, Transit: 12:54. Moon - Rise: 00:53, Set: 08:42. Civil Dark: 19:58 - 05:48. Nautical Dark: 20:35 - 05:11. Astro Dark: 21:14 - 04:32

Total Clouds (% Sky Obscured)

82
80
76
88
100
100
100
100
94
97
99
98
95
96
98
98
70
62
77
96
98
100
97
96

Low Clouds (% Sky Obscured)

77
74
62
75
100
39
100
84
54
61
77
75
81
72
52
59
50
45
43
45
37
65
62
58

Medium Clouds (% Sky Obscured)

50
46
50
57
100
100
100
100
83
89
90
87
79
79
95
90
21
10
54
89
93
100
90
89

High Clouds (% Sky Obscured)

5
4
4
55
85
92
98
70
40
4
3
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
6
9
4
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 (%)

7
3
2
3
2
16
12
16
18
4
12
2
2
0
9
1
2
2
2
2
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-6
-5
-4
-3
-2
-3
-3
-3
-3
-4
-4
-4
-5
-6
-8
-8
-9
-9
-11
-11
-12
-12
-13

Dew Point (°C)

-5
-7
-7
-8
-7
-7
-7
-7
-7
-6
-6
-6
-6
-6
-6
-7
-9
-10
-11
-13
-14
-15
-16
-17

Relative Humidity (%)

67
58
52
46
46
47
46
47
47
53
58
62
64
66
67
67
60
59
56
51
50
48
46
42

Pressure (mb)

1010
1011
1011
1011
1011
1011
1011
1011
1012
1013
1014
1015
1016
1016
1017
1017
1018
1019
1019
1020
1021
1022
1023
1024

Ozone (du)

401
403
404
406
406
406
410
410
415
417
417
420
421
424
428
429
430
432
435
436
433
433
437
440

Tuesday 7

Waning Gibbous 67%

01:48

No Set

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

Sun - Rise: 06:17, Set: 19:29, Transit: 12:54. Moon - Rise: 01:48, Set: No Set. Civil Dark: 20:00 - 05:46. Nautical Dark: 20:37 - 05:09. Astro Dark: 21:16 - 04:29

Total Clouds (% Sky Obscured)

92
59
64
33
69
72
100
100
90
100
38
52
48
7
2
19
13
10
8
5
6
13
32
24

Low Clouds (% Sky Obscured)

52
27
25
26
69
70
100
100
77
100
38
48
44
2
2
19
13
10
8
5
4
2
2
2

Medium Clouds (% Sky Obscured)

91
59
64
15
0
0
0
0
42
0
0
3
1
4
0
0
0
1
3
5
3
3
19
18

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
10
3
4

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 (%)

0
0
0
0
0
0
0
0
0
0
1
0
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-12
-11
-9
-8
-7
-7
-7
-7
-7
-8
-7
-7
-6
-6
-6
-6
-6
-7
-7
-7
-7
-7
-7
-9

Dew Point (°C)

-18
-19
-20
-20
-19
-19
-19
-18
-17
-17
-15
-13
-13
-13
-13
-12
-12
-12
-12
-12
-11
-11
-12
-13

Relative Humidity (%)

38
33
29
28
26
25
24
25
27
28
35
42
46
49
50
51
52
52
53
54
55
54
51
46

Pressure (mb)

1025
1025
1026
1026
1026
1026
1026
1026
1026
1027
1028
1029
1030
1031
1032
1032
1032
1033
1033
1033
1034
1034
1035
1035

Ozone (du)

442
445
446
448
451
455
460
459
464
460
454
443
440
433
428
421
418
417
417
417
411
409
405
406

Wednesday 8

Waning Gibbous 57%

02:35

09:32

09 OK
10 OK
11 OK
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: 06:15, Set: 19:31, Transit: 12:54. Moon - Rise: 02:35, Set: 09:32. Civil Dark: 20:01 - 05:44. Nautical Dark: 20:38 - 05:07. Astro Dark: 21:18 - 04:27

Total Clouds (% Sky Obscured)

29
29
43
66
83
88
93
97
98
99
99
91
80
72
69
73
85
93
97
100
100
96
68
82

Low Clouds (% Sky Obscured)

2
0
17
32
47
33
62
58
68
67
72
58
58
71
17
54
62
65
75
36
40
16
2
1

Medium Clouds (% Sky Obscured)

29
29
34
60
63
74
85
96
97
98
98
75
77
54
64
57
80
88
79
93
95
95
68
82

High Clouds (% Sky Obscured)

1
1
0
0
1
2
6
4
4
8
9
15
7
15
18
28
39
56
72
87
86
91
68
66

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 (%)

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 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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

41
37
36
36
35
35
34
35
37
43
50
50
51
57
64
64
65
65
63
61
65
66
67
64

Pressure (mb)

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

Ozone (du)

402
400
395
390
385
381
383
380
382
384
385
387
387
387
385
383
381
379
379
379
377
373
370
366

Thursday 9

Waning Gibbous 48%

03:12

10:31

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: 06:13, Set: 19:32, Transit: 12:53. Moon - Rise: 03:12, Set: 10:31. Civil Dark: 20:03 - 05:42. Nautical Dark: 20:40 - 05:05. Astro Dark: 21:19 - 04:25

Total Clouds (% Sky Obscured)

76
63
85
93
100
72
97
99
82
99
99
99
100
100
100
99
99
99
99
100
100
100
100
100

Low Clouds (% Sky Obscured)

1
1
1
1
0
5
9
9
4
1
0
0
0
0
0
0
0
14
31
51
66
76
85
86

Medium Clouds (% Sky Obscured)

59
48
58
66
55
50
94
96
49
83
78
86
92
100
96
91
85
90
95
100
100
100
100
100

High Clouds (% Sky Obscured)

52
31
61
82
100
72
85
79
73
82
84
81
76
69
67
70
75
84
92
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
5
6
8
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
Very Light Rain
Very Light Rain
None

Precipitation Probability (%)

0
0
0
2
6
14
21
24
22
11
1
2
2
1
1
1
0
8
19
29
49
57
56
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
0.2
0.2
0

Wind Speed/Direction (mph)

8
10
11
13
14
15
14
13
12
13
15
17
17
17
17
16
14
12
12
12
12
12
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
56
52
53
51
52
51
50
53
55
58
58
57
57
57
58
60
62
66
69
72
76
79
81

Pressure (mb)

1031
1030
1029
1028
1027
1026
1025
1024
1024
1023
1023
1022
1022
1022
1022
1022
1022
1022
1021
1021
1021
1020
1020
1020

Ozone (du)

363
363
364
363
362
362
361
360
358
356
354
355
355
354
354
355
355
356
354
353
351
355
358
361

Friday 10

Third Quarter 38%

03:42

11:37

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 OK
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good

Sun - Rise: 06:11, Set: 19:33, Transit: 12:53. Moon - Rise: 03:42, Set: 11:37. Civil Dark: 20:04 - 05:40. Nautical Dark: 20:41 - 05:03. Astro Dark: 21:21 - 04:22

Total Clouds (% Sky Obscured)

100
100
100
100
100
97
93
92
86
80
77
72
59
46
33
9
6
6
6
6
4
2
1
3

Low Clouds (% Sky Obscured)

90
97
97
98
100
94
87
81
80
66
63
53
51
46
33
9
6
6
6
6
4
2
1
3

Medium Clouds (% Sky Obscured)

100
100
82
64
46
55
65
60
50
41
31
23
5
4
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
67
33
0
0
0
0
1
2
3
2
1
0
0
0
0
0
0
0
0
0
0
2

ISS Passover

Visibility (miles)

8
6
5
5
5
6
7
8
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

44
44
59
62
57
52
45
40
46
47
43
46
43
33
19
8
0
0
0
0
1
1
0
2

Precipitation Amount (mm)

0
0
0.2
0.3
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
12
11
9
8
7
5
4
5
4
5
5
5
6
6
6
5
5
5
6
7

Chance of Frost

Temperature (°C)

8
8
9
10
10
10
11
11
12
11
9
8
7
5
4
3
2
1
1
0
0
1
2
2

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
79
80
81
83
85
73
63
54
57
61
65
67
68
71
73
74
76
76
75
74
69
64
59

Pressure (mb)

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

Ozone (du)

365
368
372
372
372
372
369
367
364
364
364
364
364
365
365
365
365
365
366
366
366
365
364
362

Saturday 11

Waning Crescent 28%

04:06

12:47

09 Good
10 Good
11 OK
12 OK
13 OK
14 Good
15 Good
16 Good
17 Good
18 Good
19 Good
20 OK
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 06:09, Set: 19:34, Transit: 12:53. Moon - Rise: 04:06, Set: 12:47. Civil Dark: 20:05 - 05:38. Nautical Dark: 20:43 - 05:00. Astro Dark: 21:23 - 04:20

Total Clouds (% Sky Obscured)

9
13
17
19
23
16
10
4
3
1
0
25
50
70
75
81
91

Low Clouds (% Sky Obscured)

9
13
17
19
23
16
10
4
3
1
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
10
15

High Clouds (% Sky Obscured)

3
5
7
10
12
8
4
0
0
0
0
0
3
5
26
52
57

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 (%)

2
1
4
3
0
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
2
2
2
3
7
7
7
6
7
7
3
3
2
2
1

Dew Point (°C)

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

Relative Humidity (%)

53
47
44
41
38
35
35
36
36
40
45
51
53
53
55
57
60

Pressure (mb)

1028
1029
1029
1029
1029
1028
1028
1028
1027
1028
1028
1028
1029
1029
1029
1029
1029

Ozone (du)

363
365
366
364
362
360
359
358
356
354
351
348
348
349
349
346
343

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

Generated: 05/04/26 09:14:15. Forecast: 05/04/26 to 11/04/26. Timezone: UTC-4.00