Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Gibbous 88%

16:00

04:19

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

Sun - Rise: 05:46, Set: 19:59, Transit: 12:53. Moon - Rise: 16:00, Set: 04:19. Civil Dark: 20:31 - 05:13. Nautical Dark: 21:12 - 04:33. Astro Dark: 21:57 - 03:47

Total Clouds (% Sky Obscured)

12
10
9
0
0
1
0
1
2
2
51
66
36
43
38
100
66
36
95
80
66
100
100
96

Low 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

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
1
0
1
2
2
47
66
35
42
38
100
66
36
95
63
63
100
100
96

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
5
5
4
4
4
4
2
3
4
3
5
4
4
4
5
5
5
4
5
5
7
10

Chance of Frost

Temperature (°C)

19
19
19
20
20
20
19
17
14
13
11
10
9
9
8
8
7
7
6
8
11
14
16
18

Feels Like (°C)

18
19
19
19
19
19
19
17
15
13
12
8
9
7
8
5
5
5
4
6
10
12
13
14

Dew Point (°C)

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

Relative Humidity (%)

43
39
37
35
35
34
38
48
50
53
55
60
64
70
74
77
79
82
85
82
75
64
56
48

Pressure (mb)

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

Ozone (du)

366
366
366
366
366
365
364
363
360
359
358
355
352
352
350
346
344
346
344
341
339
338
337
338

Tuesday 28

Waxing Gibbous 94%

17:08

04:35

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
09 Bad
10 Bad
11 Bad

Sun - Rise: 05:45, Set: 20:00, Transit: 12:53. Moon - Rise: 17:08, Set: 04:35. Civil Dark: 20:33 - 05:12. Nautical Dark: 21:13 - 04:31. Astro Dark: 21:59 - 03:45

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
94
100
99
100
100
100
100
100
100
89
100
89
98
100

Low Clouds (% Sky Obscured)

0
4
1
1
0
23
6
2
10
59
86
99
96
100
98
100
100
100
91
69
55
78
94
80

Medium Clouds (% Sky Obscured)

47
65
80
100
100
100
100
75
76
61
57
39
52
70
75
55
70
80
85
52
100
73
73
86

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
89
86
40
0
0
14
14
86
50
12
48
1
78
18

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
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
4
10
0
0
0
0
1
4
3
6
22
18
6
8
18
6
20
7
17

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
13
13
12
13
13
11
12
11
10
9
8
7
6
4
4
4
3
3
3
4
5
6
6

Chance of Frost

Temperature (°C)

20
20
21
21
21
19
18
16
14
14
13
13
13
12
12
12
11
11
11
11
11
12
13
14

Feels Like (°C)

15
16
17
17
17
15
15
12
10
10
9
10
10
10
10
10
10
10
9
9
10
10
12
12

Dew Point (°C)

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

Relative Humidity (%)

45
40
37
39
41
44
54
63
58
61
64
66
69
70
73
75
81
84
84
85
85
86
78
82

Pressure (mb)

1017
1016
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1012

Ozone (du)

338
338
338
338
340
341
344
346
350
350
349
355
363
363
361
363
365
360
361
363
364
367
374
369

Wednesday 29

Waxing Gibbous 98%

18:16

04:53

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
09 Bad
10 Bad
11 Bad

Sun - Rise: 05:43, Set: 20:01, Transit: 12:53. Moon - Rise: 18:16, Set: 04:53. Civil Dark: 20:34 - 05:10. Nautical Dark: 21:15 - 04:29. Astro Dark: 22:01 - 03:43

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

85
81
87
100
73
82
54
66
74
80
58
54
65
83
100
100
100
100
97
95
92
88
83
87

Medium Clouds (% Sky Obscured)

80
100
78
91
99
99
100
100
99
100
100
100
100
100
100
100
100
100
91
81
84
83
82
75

High Clouds (% Sky Obscured)

17
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
76
75
70
70
71
76
87

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
3
9
9
9
8
7
4
2
7
9
8
8
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
Light Rain
Light Rain
Light Rain
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
Very Light Rain
None

Precipitation Probability (%)

33
34
35
37
52
88
95
95
62
60
78
95
95
95
95
95
95
95
83
72
47
54
61
57

Precipitation Amount (mm)

0
0
0
0
0
0.5
0.7
0.7
0
0
0.2
0.7
1.5
1.9
1.6
0.9
0.6
0.7
0.4
0.3
0
0
0.2
0

Wind Speed/Direction (mph)

6
5
5
4
4
3
4
5
6
8
10
9
9
7
7
11
12
12
10
11
10
9
9
9

Chance of Frost

Temperature (°C)

14
14
13
14
14
13
13
12
12
12
11
11
9
9
9
9
9
9
9
8
7
8
8
8

Feels Like (°C)

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

Dew Point (°C)

11
12
10
10
10
10
11
12
11
11
10
9
8
9
8
8
8
8
8
6
6
6
6
6

Relative Humidity (%)

84
84
79
74
79
79
89
96
95
93
93
90
90
96
96
93
93
91
96
91
91
91
91
90

Pressure (mb)

1012
1011
1011
1010
1009
1009
1008
1007
1007
1007
1006
1006
1006
1006
1005
1004
1004
1004
1004
1005
1005
1005
1006
1006

Ozone (du)

365
365
363
361
361
364
363
362
362
362
365
367
367
369
373
376
380
381
382
384
386
387
390
390

Thursday 30

Waxing Gibbous 100%

19:24

05:13

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
09 Bad
10 Bad
11 Bad

Sun - Rise: 05:41, Set: 20:03, Transit: 12:53. Moon - Rise: 19:24, Set: 05:13. Civil Dark: 20:36 - 05:08. Nautical Dark: 21:17 - 04:27. Astro Dark: 22:03 - 03:41

Total Clouds (% Sky Obscured)

100
100
100
99
99
99
100
100
98
97
95
91
77
73
72
70
74
70
76
72
71
66
77
96

Low Clouds (% Sky Obscured)

91
95
90
85
82
86
89
92
93
94
95
91
62
57
15
21
22
26
30
29
40
48
68
90

Medium Clouds (% Sky Obscured)

78
80
75
74
69
56
57
57
49
35
30
22
20
9
11
15
20
34
47
59
64
66
63
65

High Clouds (% Sky Obscured)

71
71
50
27
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
Very Light Rain
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 (%)

55
57
54
52
42
37
33
36
28
28
27
21
14
5
6
5
1
3
5
5
9
11
17
27

Precipitation Amount (mm)

0
0.2
0.2
0.2
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
9
10
9
9
9
8
9
9
9
9
9
8
7
6
7
7
7
7
7
8
9
10
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
82
82
78
76
78
80
82
82
82
82
80
86
89
93
94
92
92
83
69
59
53
46

Pressure (mb)

1006
1006
1006
1006
1006
1007
1007
1008
1008
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1010
1010
1010
1010
1010

Ozone (du)

388
384
382
381
381
383
385
385
387
386
386
387
387
387
387
389
391
393
395
398
401
403
405
406

Friday 1

Full Moon 100%

20:33

05:37

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

Sun - Rise: 05:40, Set: 20:04, Transit: 12:53. Moon - Rise: 20:33, Set: 05:37. Civil Dark: 20:37 - 05:07. Nautical Dark: 21:18 - 04:25. Astro Dark: 22:05 - 03:38

Total Clouds (% Sky Obscured)

97
97
97
97
96
97
35
25
16
13
8
12
8
8
2
4
5
7
11
17
22
30
32
49

Low Clouds (% Sky Obscured)

88
85
79
74
71
67
35
25
16
13
8
12
8
8
2
3
5
7
11
17
22
30
32
48

Medium Clouds (% Sky Obscured)

72
71
69
63
58
46
34
25
16
13
8
12
8
8
2
2
0
4
10
16
11
7
0
3

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 (%)

16
18
15
15
9
12
13
8
9
8
7
7
5
1
0
0
0
0
0
0
1
1
1
2

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

43
46
44
46
43
47
45
53
63
67
69
71
73
74
77
78
80
81
74
66
59
52
46
40

Pressure (mb)

1010
1010
1010
1010
1010
1010
1011
1011
1011
1012
1012
1012
1012
1012
1012
1014
1014
1014
1014
1015
1015
1015
1014
1014

Ozone (du)

409
411
413
413
416
418
416
414
414
415
415
414
412
412
414
414
415
415
418
421
424
419
414
409

Saturday 2

Waning Gibbous 98%

21:40

06:07

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 OK
08 OK
09 OK
10 OK
11 OK

Sun - Rise: 05:39, Set: 20:05, Transit: 12:53. Moon - Rise: 21:40, Set: 06:07. Civil Dark: 20:38 - 05:05. Nautical Dark: 21:20 - 04:23. Astro Dark: 22:07 - 03:36

Total Clouds (% Sky Obscured)

64
78
74
72
72
75
74
69
74
80
83
85
90
99
99
100
100
89
72
44
32
25
18
33

Low Clouds (% Sky Obscured)

61
74
63
52
40
45
49
54
36
18
3
17
31
46
53
57
53
38
32
30
29
23
18
14

Medium Clouds (% Sky Obscured)

6
9
13
18
20
11
3
0
3
4
6
4
2
0
1
2
4
4
3
0
0
0
1
1

High Clouds (% Sky Obscured)

0
0
2
5
7
29
50
69
62
62
82
85
90
95
97
98
100
69
38
7
4
2
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 (%)

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

11
11
12
11
10
10
8
6
4
3
3
3
3
3
3
3
3
4
4
4
4
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

41
41
42
41
42
41
48
55
62
66
69
72
73
74
73
74
76
75
70
64
60
53
46
42

Pressure (mb)

1014
1013
1013
1013
1013
1012
1013
1013
1013
1013
1013
1013
1012
1012
1012
1011
1011
1011
1011
1011
1011
1010
1010
1009

Ozone (du)

403
398
393
390
386
383
381
378
376
376
375
375
379
383
387
390
393
395
398
402
405
405
405
405

Sunday 3

Waning Gibbous 94%

22:45

06:45

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

Sun - Rise: 05:37, Set: 20:07, Transit: 12:53. Moon - Rise: 22:45, Set: 06:45. Civil Dark: 20:40 - 05:04. Nautical Dark: 21:22 - 04:22. Astro Dark: 22:09 - 03:34

Total Clouds (% Sky Obscured)

53
85
87
93
95
79
66
53
45
38
39
33
21
10
18
29
38
39
40
29

Low Clouds (% Sky Obscured)

14
10
5
5
55
54
42
33
22
11
3
2
2
2
1
1
1
6
10
15

Medium Clouds (% Sky Obscured)

1
2
1
1
1
1
3
11
14
13
6
3
2
2
5
7
13
23
32
29

High Clouds (% Sky Obscured)

0
0
3
6
8
7
7
9
35
38
39
27
10
3
2
2
1
1
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5

Fog (%)

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

Precipitation Probability (%)

10
6
11
13
8
8
7
3
3
1
0
0
0
0
0
0
1
12
23
33

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

11
11
11
12
11
11
10
9
7
6
5
4
3
3
2
1
2
1
2
3

Feels Like (°C)

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

Dew Point (°C)

-2
-2
-2
-2
-2
-2
-2
-1
-1
-2
-2
-2
-2
-2
-2
-2
-2
-2
-1
1

Relative Humidity (%)

40
40
40
40
39
38
44
50
57
59
62
66
68
72
74
77
80
83
84
86

Pressure (mb)

1008
1007
1007
1006
1006
1005
1005
1006
1006
1006
1006
1006
1006
1006
1005
1005
1005
1004
1004
1004

Ozone (du)

404
404
403
404
405
406
406
407
407
406
404
403
402
401
400
403
406
409
412
416

Forecast for Domaine-Laurentien, Laurentides, Canada (45.81,-74.06)

Generated: 27/04/26 12:05:55. Forecast: 27/04/26 to 03/05/26. Timezone: UTC-4.00