Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 5

Waning Gibbous 84%

23:50

08:01

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
20 Bad
21 Bad
22 OK

Sun - Rise: 06:20, Set: 19:28, Transit: 12:54. Moon - Rise: 23:50, Set: 08:01. Civil Dark: 19:58 - 05:50. Nautical Dark: 20:35 - 05:13. Astro Dark: 21:14 - 04:34

Total Clouds (% Sky Obscured)

97
96
98
98
100
100
100
99
99
95
85
78
68
83
100
100
98
94
67
73
97
98
54
25

Low Clouds (% Sky Obscured)

80
85
80
87
90
91
92
93
85
88
73
49
63
76
100
98
84
58
53
30
34
20
15
15

Medium Clouds (% Sky Obscured)

46
56
82
93
100
99
99
97
95
77
24
48
50
55
84
89
88
92
67
73
96
97
54
25

High Clouds (% Sky Obscured)

0
0
0
73
80
99
3
43
8
0
2
15
30
25
35
40
35
25
4
1
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
3
3
5
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 (%)

8
21
30
19
22
23
22
16
8
7
3
1
0
3
16
18
9
18
4
16
1
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

1
0
1
-1
-2
-3
-4
-5
-6
-6
-7
-9
-9
-8
-8
-7
-7
-7
-6
-6
-6
-6
-6
-7

Relative Humidity (%)

79
79
86
86
76
73
73
70
68
66
60
51
49
47
46
45
47
46
50
53
58
62
65
63

Pressure (mb)

1005
1004
1005
1005
1005
1006
1007
1008
1009
1010
1011
1012
1012
1012
1012
1012
1012
1012
1013
1014
1015
1016
1017
1017

Ozone (du)

368
371
371
371
374
376
383
390
395
400
403
405
407
406
406
410
409
413
415
418
420
423
427
432

Monday 6

Waning Gibbous 76%

00:53

08:42

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

Sun - Rise: 06:18, Set: 19:29, Transit: 12:54. Moon - Rise: 00:53, Set: 08:42. Civil Dark: 20:00 - 05:48. Nautical Dark: 20:37 - 05:11. Astro Dark: 21:16 - 04:32

Total Clouds (% Sky Obscured)

40
100
99
96
97
98
98
96
99
75
16
18
23
28
66
75
77
69
66
62
55
15
6
3

Low Clouds (% Sky Obscured)

15
15
36
56
80
81
77
56
46
45
16
18
23
28
58
68
71
64
60
53
40
14
2
1

Medium Clouds (% Sky Obscured)

40
100
98
94
95
96
95
92
97
53
0
3
0
0
0
0
0
0
0
0
0
1
1
0

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
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
1
1
2
3
3
3
3
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-7
-7
-8
-10
-12
-14
-15
-16
-17
-18
-18
-19
-20
-20
-20
-19
-19
-18
-18
-17
-15
-13
-13
-12

Relative Humidity (%)

64
67
68
59
53
50
48
45
43
41
38
33
30
27
26
25
24
24
26
28
35
42
46
48

Pressure (mb)

1017
1018
1019
1020
1021
1021
1022
1023
1024
1025
1026
1027
1027
1028
1027
1028
1027
1027
1028
1028
1029
1030
1031
1032

Ozone (du)

431
429
428
429
431
427
431
438
441
440
439
440
442
444
447
450
453
457
462
462
458
450
447
441

Tuesday 7

Waning Gibbous 67%

01:48

09:32

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

Sun - Rise: 06:17, Set: 19:31, Transit: 12:54. Moon - Rise: 01:48, Set: 09:32. Civil Dark: 20:01 - 05:46. Nautical Dark: 20:38 - 05:09. Astro Dark: 21:18 - 04:29

Total Clouds (% Sky Obscured)

15
11
0
0
0
0
0
2
2
5
2
3
2
31
82
82
50
53
55
83
77
74
82
88

Low Clouds (% Sky Obscured)

15
11
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
29
26
38
35

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
2
2
2
2
31
79
82
50
53
55
83
69
66
72
79

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
2
5
1
3
0
3
4
3
15
25
4
4
3
6
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
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)

5
5
4
4
5
7
7
8
8
10
11
11
12
13
14
13
13
12
11
9
7
6
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-12
-12
-12
-12
-12
-12
-12
-12
-12
-12
-13
-12
-12
-12
-11
-11
-10
-9
-9
-7
-6
-7
-6
-6

Relative Humidity (%)

49
51
52
52
52
53
53
53
52
46
41
37
35
34
34
34
35
36
36
43
50
53
59
59

Pressure (mb)

1033
1033
1034
1034
1034
1035
1035
1035
1036
1037
1037
1037
1037
1036
1036
1036
1035
1035
1034
1034
1034
1034
1034
1034

Ozone (du)

429
422
411
404
409
414
409
403
406
402
398
396
392
385
383
383
382
379
380
381
381
376
371
371

Wednesday 8

Waning Gibbous 57%

02:35

10:31

23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 OK
07 OK
08 Bad
09 OK
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

Sun - Rise: 06:15, Set: 19:32, Transit: 12:53. Moon - Rise: 02:35, Set: 10:31. Civil Dark: 20:03 - 05:44. Nautical Dark: 20:40 - 05:07. Astro Dark: 21:19 - 04:27

Total Clouds (% Sky Obscured)

81
72
62
71
72
68
50
40
35
57
41
45
76
72
80
83
91
100
99
98
97
98
99
100

Low Clouds (% Sky Obscured)

35
6
7
12
19
7
2
2
2
2
2
0
0
0
0
0
0
0
1
2
2
6
12
23

Medium Clouds (% Sky Obscured)

75
69
62
68
52
53
35
25
16
16
17
16
52
61
61
22
23
70
75
82
93
95
97
100

High Clouds (% Sky Obscured)

3
3
3
3
5
6
4
2
4
26
24
34
42
23
20
44
72
100
77
54
35
54
77
100

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
2
3
13
15
16

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)

5
5
5
5
6
7
8
8
9
10
11
13
14
15
17
18
17
17
17
17
18
18
16
14

Chance of Frost

Temperature (°C)

1
1
0
0
0
1
1
1
1
2
4
6
8
10
11
13
13
14
13
12
11
10
10
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
61
65
66
67
67
70
71
67
63
54
49
47
46
45
46
45
46
48
48
50
51
53
54

Pressure (mb)

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

Ozone (du)

371
374
374
372
373
371
368
365
362
360
358
358
357
357
357
357
357
355
353
354
351
351
354
355

Thursday 9

Waning Gibbous 48%

03:12

11:37

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
20 Bad
21 Bad
22 Bad

Sun - Rise: 06:13, Set: 19:33, Transit: 12:53. Moon - Rise: 03:12, Set: 11:37. Civil Dark: 20:04 - 05:42. Nautical Dark: 20:41 - 05:05. Astro Dark: 21:21 - 04:25

Total Clouds (% Sky Obscured)

95
91
86
85
85
87
71
61
57
79
83
81
43
100
100
100
100
100
100
98
98
97
98
100

Low Clouds (% Sky Obscured)

19
13
0
0
0
15
4
0
3
21
28
29
24
55
96
80
84
83
75
73
70
69
62
46

Medium Clouds (% Sky Obscured)

94
83
81
74
65
42
55
61
55
51
44
70
41
39
91
49
52
55
59
65
75
70
72
77

High Clouds (% Sky Obscured)

74
45
22
35
47
65
57
61
57
76
72
72
43
96
100
14
17
23
34
37
40
37
27
21

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 (%)

15
11
0
0
0
0
0
1
0
0
1
2
22
37
48
5
6
5
12
12
8
20
19
11

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)

13
12
12
12
13
13
13
13
13
13
14
14
15
13
11
8
8
9
8
8
7
7
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
60
63
65
66
69
67
75
75
73
68
65
64
64
61
64
69
72
77
80
84
88
90
93

Pressure (mb)

1026
1026
1025
1025
1025
1025
1024
1024
1024
1025
1024
1024
1024
1023
1023
1023
1024
1024
1024
1025
1025
1025
1025
1024

Ozone (du)

353
351
352
354
353
353
354
354
357
360
360
361
361
356
354
347
343
339
335
336
338
340
342
343

Friday 10

Third Quarter 38%

03:42

12:47

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 OK
20 OK
21 OK
22 Good

Sun - Rise: 06:11, Set: 19:34, Transit: 12:53. Moon - Rise: 03:42, Set: 12:47. Civil Dark: 20:05 - 05:40. Nautical Dark: 20:43 - 05:03. Astro Dark: 21:23 - 04:22

Total Clouds (% Sky Obscured)

100
100
100
96
92
90
89
90
91
93
98
100
100
100
100
99
98
96
74
54
36
34
24
14

Low Clouds (% Sky Obscured)

43
46
53
58
63
68
70
72
74
77
79
85
89
92
94
86
77
66
57
50
36
28
16
1

Medium Clouds (% Sky Obscured)

83
85
87
82
81
82
83
82
84
91
96
98
100
100
100
90
80
70
46
23
5
8
7
8

High Clouds (% Sky Obscured)

14
16
16
33
44
55
70
57
23
32
25
30
30
25
25
30
29
43
45
47
36
34
15
0

ISS Passover

Visibility (miles)

9
9
8
8
8
8
8
8
8
9
7
6
5
6
7
8
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

29
34
39
44
47
47
46
45
43
65
80
91
95
95
95
95
70
26
16
7
1
1
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
94
94
96
91
88
87
87
88
90
90
91
93
83
75
67
71
74
79
78
79

Pressure (mb)

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

Ozone (du)

345
346
346
347
345
344
342
340
337
335
335
335
335
334
334
333
340
347
354
358
362
366
365
365

Saturday 11

Waning Crescent 28%

04:06

14:00

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

Sun - Rise: 06:09, Set: 19:36, Transit: 12:53. Moon - Rise: 04:06, Set: 14:00. Civil Dark: 20:07 - 05:38. Nautical Dark: 20:45 - 05:00. Astro Dark: 21:25 - 04:20

Total Clouds (% Sky Obscured)

8
2
0
1
1
1
2
4
5
31
55
76
84
87
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
2
2
2
2
1
1
0
5
10
16
12
6
0

Medium Clouds (% Sky Obscured)

6
2
0
0
0
1
1
1
0
0
0
0
0
0
0
30
60
91
94
97
100

High Clouds (% Sky Obscured)

0
0
0
0
0
1
2
2
1
15
24
31
48
74
100
100
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
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
14
31

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)

6
5
4
4
4
4
4
4
4
4
4
5
5
5
4
4
5
5
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
3
3
0
1
1
1
-0
0
2
2
2
2
2
3
7
7
7
7
7

Dew Point (°C)

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

Relative Humidity (%)

79
79
79
77
78
80
81
77
73
70
64
60
56
52
50
47
47
47
47
52
56

Pressure (mb)

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

Ozone (du)

365
364
364
363
363
362
362
360
359
357
358
359
360
360
359
358
356
353
351
346
342

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

Generated: 05/04/26 23:09:12. Forecast: 05/04/26 to 11/04/26. Timezone: UTC-4.00