Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 28

Waxing Gibbous 94%

17:08

04:35

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
13 Bad
14 Bad
15 Bad
16 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
83
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
100
100

Low Clouds (% Sky Obscured)

11
5
3
26
40
71
74
79
100
100
100
100
100
100
100
100
100
100
100
82
92
89
93
88

Medium Clouds (% Sky Obscured)

100
100
75
80
45
61
55
55
49
60
62
55
61
60
75
76
67
87
95
99
85
100
100
100

High Clouds (% Sky Obscured)

100
100
96
85
20
4
4
0
0
0
0
0
58
7
75
88
100
25
40
12
50
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
None
None
None
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
1
4
10
6
20
32
34
9
19
5
14
5
23
6
13
5
33
25
68

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
0.3

Wind Speed/Direction (mph)

13
12
11
9
6
7
7
5
5
4
4
4
4
5
5
5
5
6
6
6
5
6
3
2

Chance of Frost

Temperature (°C)

19
18
16
14
14
13
13
12
12
12
11
11
11
10
10
11
11
11
12
14
14
15
14
14

Feels Like (°C)

17
16
14
11
11
10
9
10
10
9
9
9
9
8
9
9
10
10
11
12
12
13
13
14

Dew Point (°C)

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

Relative Humidity (%)

55
60
59
59
60
57
55
59
63
66
76
81
84
87
88
90
92
90
89
84
82
79
79
76

Pressure (mb)

1013
1012
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1013
1013
1012
1012
1011
1011
1010
1010
1009
1008

Ozone (du)

337
340
344
352
355
356
357
365
364
363
360
364
358
358
357
361
364
364
362
366
366
367
367
367

Wednesday 29

Waxing Gibbous 98%

18:16

04:53

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
13 Bad
14 Bad
15 Bad
16 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
99
100
100
84
89
99
86
86
80

Low Clouds (% Sky Obscured)

80
66
87
91
87
90
83
92
97
95
97
98
84
77
79
85
81
70
65
62
61
57
75
69

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
80
95
96
100
61
71
96
63
30
31

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
70
75
75
74
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
7
9
9
9
8
5
4
3
3
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
17
12
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

95
77
74
95
95
95
95
95
95
95
95
95
95
72
44
32
18
19
19
9
6
4
16
5

Precipitation Amount (mm)

1.4
0.5
0.2
0.8
1.5
1.7
1.3
2.3
1.6
1.1
0.5
0.9
0.8
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
90
92
92
87
81
85
90
93
93
91
90
93
91
91
91
90
87
85
87
87
85
80
72

Pressure (mb)

1008
1007
1006
1006
1006
1005
1004
1004
1003
1002
1002
1002
1002
1003
1004
1004
1005
1005
1005
1006
1005
1006
1006
1006

Ozone (du)

367
366
365
362
363
365
366
367
368
371
371
370
370
377
380
380
380
378
377
377
377
381
382
380

Thursday 30

Waxing Gibbous 100%

19:24

05:13

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

69
51
53
45
28
20
26
9
44
50
39
32
14
2
36
52
68
85
92
98
99
100
100
100

Low Clouds (% Sky Obscured)

47
44
46
41
25
10
5
1
1
2
1
1
2
1
36
52
50
67
35
37
14
17
14
11

Medium Clouds (% Sky Obscured)

40
1
1
1
5
9
15
9
44
50
39
31
11
0
0
0
44
75
80
85
85
90
90
90

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 (%)

2
2
3
0
2
2
0
0
0
0
0
0
0
0
0
0
0
2
5
3
8
9
9
5

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
78
77
78
78
79
79
88
91
92
92
94
92
89
77
69
63
59
54
49
45
46
47
45

Pressure (mb)

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

Ozone (du)

380
383
384
385
386
389
391
393
393
393
396
397
399
403
404
405
406
408
411
412
414
415
416
418

Friday 1

Full Moon 100%

20:33

05:37

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 OK
07 Good
08 OK
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 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)

95
88
72
70
69
68
69
67
67
72
74
75
50
29
9
22
32
66
72
74
79
71
65
57

Low Clouds (% Sky Obscured)

19
25
29
30
30
28
33
38
39
34
31
29
20
11
4
7
11
66
72
74
79
71
58
44

Medium Clouds (% Sky Obscured)

73
65
58
56
56
51
42
43
44
45
37
38
27
21
6
3
2
0
9
18
29
31
32
28

High Clouds (% Sky Obscured)

0
0
1
1
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 (%)

10
8
1
2
2
0
2
2
1
4
5
6
7
6
2
2
2
18
3
6
16
17
19
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

45
48
55
62
69
74
77
78
80
80
84
86
86
88
77
65
56
48
47
50
46
51
49
56

Pressure (mb)

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

Ozone (du)

418
418
416
415
413
412
413
414
413
414
413
412
411
411
412
413
414
415
416
417
421
423
422
421

Saturday 2

Waning Gibbous 98%

21:40

06:07

17 Bad
18 OK
19 OK
20 OK
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
13 Bad
14 Bad
15 Bad
16 Bad

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)

62
37
34
39
48
75
81
92
96
93
93
86
84
89
93
93
100
100
100
100
100
100
95
86

Low Clouds (% Sky Obscured)

30
7
1
1
3
1
1
1
4
18
35
50
43
37
50
60
55
45
30
5
0
0
0
0

Medium Clouds (% Sky Obscured)

30
34
34
39
43
71
81
89
94
87
87
76
62
66
75
74
71
74
83
91
100
87
76
64

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
4
6
6

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
0
0
1
1
4
6

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 (%)

13
6
3
1
1
1
1
2
3
4
1
1
3
4
6
18
21
22
27
31
34
36
36
38

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

49
50
56
66
70
71
73
73
74
77
81
86
89
94
86
80
83
86
90
80
74
66
69
70

Pressure (mb)

1011
1011
1011
1011
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1009
1009
1008
1007
1007

Ozone (du)

420
421
422
421
421
423
425
428
428
428
425
424
424
424
425
425
425
425
424
424
423
422
422
421

Sunday 3

Waning Gibbous 94%

22:45

06:45

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
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 05:37, Set: 20:07, Transit: 12:52. 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)

85
82
85
88
89
93
91
90
89
91
92
93
89
83
78
85
93
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

12
24
36
40
45
49
48
46
45
56
66
77
74
71
67
78
89
100
100
100
100
98
97
95

Medium Clouds (% Sky Obscured)

54
50
46
54
62
68
74
80
86
87
88
88
82
81
78
85
86
84
82
80
77
83
89
95

High Clouds (% Sky Obscured)

14
24
31
47
68
90
76
63
50
33
17
0
0
2
3
25
48
73
54
32
9
12
14
16

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
6
3
0
0
0
0
0
0
0
0
0
0
0
0
0
3
6

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
None
None
None
None
None
None
None

Precipitation Probability (%)

36
32
27
28
25
16
25
28
28
42
53
65
61
56
50
49
47
43
41
36
34
33
32
33

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0.2
0.2
0.2
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
3
3
4
3
3
2
3
2
3
3
3
3
3
3
3
3
4
3
4
4
4
3
4

Relative Humidity (%)

71
77
81
88
88
89
91
94
94
96
98
98
98
98
98
98
96
96
96
96
96
96
91
86

Pressure (mb)

1006
1006
1006
1006
1006
1006
1006
1005
1005
1005
1005
1004
1004
1004
1004
1005
1005
1004
1004
1004
1004
1004
1003
1003

Ozone (du)

421
420
419
418
418
418
417
418
418
419
419
419
419
420
421
422
421
420
419
418
416
415
416
417

Monday 4

Waning Gibbous 89%

23:43

07:31

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
13 Bad

Sun - Rise: 05:36, Set: 20:08, Transit: 12:52. Moon - Rise: 23:43, Set: 07:31. Civil Dark: 20:41 - 05:02. Nautical Dark: 21:23 - 04:20. Astro Dark: 22:11 - 03:31

Total Clouds (% Sky Obscured)

99
99
100
99
99
99
98
97
96
97
98
100
100
100
100
99
98
99
96
97
95

Low Clouds (% Sky Obscured)

90
84
79
74
69
64
72
79
86
88
89
91
87
85
81
76
69
63
57
47
40

Medium Clouds (% Sky Obscured)

92
92
94
92
90
86
65
41
26
25
32
34
51
55
58
57
55
67
77
89
90

High Clouds (% Sky Obscured)

43
72
100
99
97
85
73
62
49
44
60
76
55
35
23
42
67
91
82
74
65

ISS Passover

Visibility (miles)

8
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

34
33
29
28
28
28
41
53
68
61
59
62
64
64
62
58
52
49
45
38
30

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0.3
0.2
0.2
0.3
0.3
0.3
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

11
8
6
5
5
4
3
3
2
2
2
2
2
3
5
6
8
10
11
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
2
3
2
1
1
1
2
1
1
2
2
2
3
2
3
3
3
2
2
1

Dew Point (°C)

4
4
4
3
3
3
2
3
3
3
3
3
3
3
3
4
4
4
4
4
3

Relative Humidity (%)

82
85
90
93
94
94
94
94
94
94
96
96
96
93
88
86
86
88
88
81
73

Pressure (mb)

1003
1003
1003
1003
1002
1002
1002
1001
1001
1001
1000
1000
1000
1001
1001
1002
1002
1002
1003
1003
1003

Ozone (du)

419
419
420
420
421
421
421
420
419
418
420
421
422
422
422
421
419
417
415
416
416

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

Generated: 28/04/26 17:54:33. Forecast: 28/04/26 to 04/05/26. Timezone: UTC-4.00