Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Gibbous 88%

15:56

04:15

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

Sun - Rise: 05:45, Set: 19:54, Transit: 12:49. Moon - Rise: 15:56, Set: 04:15. Civil Dark: 20:26 - 05:13. Nautical Dark: 21:05 - 04:31. Astro Dark: 21:50 - 03:47

Total Clouds (% Sky Obscured)

5
4
2
2
2
1
0
0
0
0
0
0
2
2
2
0
1
1
2
2
21
35
37
72

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
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
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
2
2
21
35
37
72

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)

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

Chance of Frost

Temperature (°C)

7
7
8
10
14
16
18
19
20
21
21
21
21
21
19
16
14
12
11
11
10
9
9
9

Feels Like (°C)

7
7
8
11
15
17
19
21
21
22
22
22
22
22
20
16
13
12
11
10
9
8
7
6

Dew Point (°C)

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

Relative Humidity (%)

81
84
79
71
63
58
54
51
47
43
41
39
40
43
56
65
69
70
72
75
76
74
72
70

Pressure (mb)

1024
1024
1025
1025
1025
1025
1025
1025
1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1022
1021
1021
1021

Ozone (du)

383
383
380
378
380
379
376
373
372
373
373
370
369
370
369
367
364
361
362
360
356
353
350
348

Tuesday 28

Waxing Gibbous 94%

17:04

04:32

05 Good
06 OK
07 Bad
08 OK
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

Sun - Rise: 05:44, Set: 19:55, Transit: 12:49. Moon - Rise: 17:04, Set: 04:32. Civil Dark: 20:27 - 05:11. Nautical Dark: 21:07 - 04:30. Astro Dark: 21:52 - 03:45

Total Clouds (% Sky Obscured)

4
33
60
31
52
45
61
93
91
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
17
0
0
0
0
0
0
0
0
19
39
10
10
10
84
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
40
55
50
50
88
100
98
100
100
19
32
57
60
63
48

High Clouds (% Sky Obscured)

4
33
60
31
42
45
34
93
91
100
100
100
100
100
100
100
100
100
100
71
100
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
3
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
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
9
10
14
17
19
21
22
22
23
22
22
21
20
18
17
16
15
14
14
13
13
13
13

Feels Like (°C)

5
7
8
12
14
16
17
19
18
18
17
17
17
15
14
14
13
11
11
9
9
8
9
8

Dew Point (°C)

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

Relative Humidity (%)

72
74
73
64
55
51
46
42
43
44
45
48
49
52
54
60
62
63
61
57
56
53
53
52

Pressure (mb)

1021
1022
1021
1021
1021
1020
1019
1018
1018
1017
1017
1016
1016
1016
1015
1015
1015
1016
1015
1015
1015
1015
1015
1014

Ozone (du)

348
348
347
345
345
343
342
342
341
341
340
342
344
344
345
345
347
347
349
353
354
362
365
364

Wednesday 29

Waxing Gibbous 98%

18:11

04:50

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:42, Set: 19:56, Transit: 12:49. Moon - Rise: 18:11, Set: 04:50. Civil Dark: 20:29 - 05:10. Nautical Dark: 21:09 - 04:28. Astro Dark: 21:53 - 03:42

Total Clouds (% Sky Obscured)

97
97
94
97
93
94
94
83
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

83
93
71
92
77
81
54
55
58
45
22
0
1
1
1
5
4
12
19
35
63
70
76
84

Medium Clouds (% Sky Obscured)

41
46
41
26
34
37
39
42
43
57
50
43
92
91
100
97
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

4
5
91
78
52
0
0
23
99
100
100
100
100
100
100
100
100
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
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
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

3
1
0
0
0
0
0
0
1
3
4
2
3
3
9
9
4
8
34
58
94
87
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.5
0.9
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
8
9
10
11
13
15
17
17
17
17
18
17
16
13
12
9
9
8
8
7
7
7

Dew Point (°C)

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

Relative Humidity (%)

51
51
52
56
54
56
59
63
52
49
47
47
50
60
67
66
64
64
66
70
71
75
73
81

Pressure (mb)

1014
1014
1014
1014
1014
1014
1013
1012
1011
1010
1010
1009
1008
1008
1008
1008
1008
1007
1007
1007
1006
1006
1006
1006

Ozone (du)

361
364
362
360
363
362
372
367
366
365
365
364
365
365
363
363
363
363
363
363
364
363
367
370

Thursday 30

Waxing Gibbous 100%

19:19

No Set

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
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:41, Set: 19:57, Transit: 12:49. Moon - Rise: 19:19, Set: No Set. Civil Dark: 20:30 - 05:08. Nautical Dark: 21:10 - 04:26. Astro Dark: 21:55 - 03:40

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
98
98

Low Clouds (% Sky Obscured)

90
95
100
97
94
93
91
89
86
90
93
97
95
96
93
96
98
99
99
99
99
96
92
87

Medium Clouds (% Sky Obscured)

100
100
75
94
82
55
54
62
62
100
100
100
94
99
100
100
100
91
45
45
42
45
49
48

High Clouds (% Sky Obscured)

100
100
100
98
90
88
59
29
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

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
86
81
75
74
61
62
50
52
57
62
54
50
41
33
26
21
18
15
12
11
9
9

Precipitation Amount (mm)

0.7
0.5
0.4
0.4
0.4
0.4
0.2
0.3
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
10
10
10
10
9
8
8
8
9
8
8
9
8
8
8
8
9
10
10
10
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
77
78
78
80
81
83
83
84
85
82
76
73
75
79
81
82
82
85
85
83
82
83
85

Pressure (mb)

1005
1005
1005
1006
1006
1006
1006
1006
1006
1006
1006
1006
1007
1007
1007
1008
1008
1008
1008
1008
1008
1009
1009
1009

Ozone (du)

371
372
374
376
377
378
376
376
376
376
376
379
383
385
386
385
384
383
385
387
388
391
392
393

Friday 1

Full Moon 100%

20:27

05:11

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
23 OK
00 OK
01 Good
02 Good
03 OK
04 OK

Sun - Rise: 05:39, Set: 19:59, Transit: 12:49. Moon - Rise: 20:27, Set: 05:11. Civil Dark: 20:31 - 05:06. Nautical Dark: 21:12 - 04:24. Astro Dark: 21:57 - 03:38

Total Clouds (% Sky Obscured)

92
93
91
94
93
87
97
99
99
99
98
98
98
97
93
82
71
59
43
24
6
10
19
27

Low Clouds (% Sky Obscured)

80
80
81
84
86
87
92
92
93
82
76
74
74
77
74
70
64
55
39
21
4
6
9
13

Medium Clouds (% Sky Obscured)

37
19
0
0
0
0
1
2
2
10
15
25
22
19
11
9
5
2
1
0
0
1
3
4

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
6
8
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 (%)

8
6
2
4
15
14
4
2
1
0
0
1
0
1
7
5
2
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
10
11
11
12
12
13
13
13
13
13
13
13
12
10
8
7
5
4
4
4
4
4
3

Chance of Frost

Temperature (°C)

3
3
3
4
5
7
8
8
9
9
10
11
11
10
9
7
6
4
3
2
2
1
1
0

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
85
80
75
66
58
52
50
47
43
41
41
47
54
57
61
64
68
70
73
74
77
81

Pressure (mb)

1010
1010
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1011
1011
1011
1012
1012
1013
1013
1013
1013
1013
1014

Ozone (du)

394
395
396
398
401
403
403
401
401
402
404
408
409
407
408
408
413
417
422
423
423
423
423
423

Saturday 2

Waning Gibbous 98%

21:34

05:35

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

Sun - Rise: 05:38, Set: 20:00, Transit: 12:49. Moon - Rise: 21:34, Set: 05:35. Civil Dark: 20:33 - 05:05. Nautical Dark: 21:13 - 04:22. Astro Dark: 22:00 - 03:36

Total Clouds (% Sky Obscured)

33
37
43
37
31
23
41
60
78
82
84
87
86
86
86
79
69
45
61
80
99
99
100
100

Low Clouds (% Sky Obscured)

20
33
43
37
31
23
41
60
74
49
25
0
10
14
13
9
5
1
0
0
0
11
22
33

Medium Clouds (% Sky Obscured)

6
12
16
13
9
5
12
19
27
26
25
24
30
37
41
38
40
43
28
17
5
33
67
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
18
24
29
16
36
52
45
61
80
80
55
50
45

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
2
1
1
1
1
2
2
1
3
2
0
1
1
0
3
2
0
0
0
0
2
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
77
73
67
60
53
49
47
45
45
45
46
47
52
57
64
68
72
77
80
83
86
88
88

Pressure (mb)

1014
1014
1014
1015
1015
1014
1014
1014
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011

Ozone (du)

423
423
422
422
422
421
421
419
417
415
415
414
413
412
412
411
411
411
411
412
413
414
417
420

Sunday 3

Waning Gibbous 94%

22:38

06:06

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
23 Bad
00 Bad
01 Bad

Sun - Rise: 05:36, Set: 20:01, Transit: 12:49. Moon - Rise: 22:38, Set: 06:06. Civil Dark: 20:34 - 05:03. Nautical Dark: 21:15 - 04:20. Astro Dark: 22:02 - 03:34

Total Clouds (% Sky Obscured)

100
100
100
88
74
62
73
81
92
99
100
100
100
100
96
75
53
31
45
60
74

Low Clouds (% Sky Obscured)

37
40
52
42
32
22
29
38
48
40
24
0
29
45
63
50
29
10
17
22
26

Medium Clouds (% Sky Obscured)

100
98
96
66
39
13
9
6
2
3
5
6
12
17
23
22
21
20
14
9
4

High Clouds (% Sky Obscured)

28
17
4
4
2
0
0
0
0
0
0
0
6
14
21
13
7
0
1
2
4

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
7
8
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 (%)

3
4
2
16
19
20
22
21
16
18
21
24
23
23
24
18
12
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
85
80
76
66
56
49
47
46
46
50
56
62
66
72
78
82
88
94
93
91

Pressure (mb)

1011
1011
1011
1011
1011
1010
1010
1009
1009
1008
1008
1007
1007
1007
1007
1007
1007
1007
1007
1007
1007

Ozone (du)

423
425
427
428
429
430
431
429
428
427
426
425
423
425
426
428
429
429
430
429
427

Forecast for Domaine-Joyeux, Montérégie, Canada (45.22,-73.09)

Generated: 27/04/26 05:39:35. Forecast: 27/04/26 to 03/05/26. Timezone: UTC-4.00