Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 28

Waxing Gibbous 94%

17:27

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 OK
01 OK
02 OK
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:03, Set: 20:17, Transit: 13:11. Moon - Rise: 17:27, Set: 04:53. Civil Dark: 20:50 - 05:30. Nautical Dark: 21:30 - 04:50. Astro Dark: 22:15 - 04:04

Total Clouds (% Sky Obscured)

100
100
100
94
98
93
87
77
76
53
48
96
23
14
38
46
96
100
67
93
96
100
100
100

Low Clouds (% Sky Obscured)

100
100
99
94
98
90
83
77
76
51
40
25
2
2
8
3
4
2
2
6
8
9
29
57

Medium Clouds (% Sky Obscured)

100
21
6
50
42
16
16
0
0
0
0
34
5
8
7
10
92
87
67
70
70
99
100
100

High Clouds (% Sky Obscured)

100
6
0
0
0
0
0
0
7
6
8
35
8
6
38
46
34
100
64
87
84
99
100
65

ISS Passover

Visibility (miles)

6
6
1
0
0
0
0
7
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

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

Precipitation Probability (%)

65
50
9
38
52
41
37
25
6
1
0
0
0
0
0
0
0
0
0
0
0
0
6
52

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
96
95
96
96
96
98
95
93
93
93
87
90
94
93
96
98
96
96
94
88
79
73
65

Pressure (mb)

1009
1009
1009
1009
1008
1008
1009
1009
1010
1012
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1013

Ozone (du)

348
357
360
365
363
363
364
359
358
357
357
358
360
363
360
362
363
367
371
370
369
370
370
365

Wednesday 29

Waxing Gibbous 98%

18:34

05:11

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: 06:01, Set: 20:19, Transit: 13:11. Moon - Rise: 18:34, Set: 05:11. Civil Dark: 20:51 - 05:29. Nautical Dark: 21:32 - 04:48. Astro Dark: 22:17 - 04:02

Total Clouds (% Sky Obscured)

100
99
100
97
99
100
100
98
98
97
98
97
96
91
95
99
97
94
95
97
96
99
100
95

Low Clouds (% Sky Obscured)

54
58
88
87
94
100
96
81
80
89
82
75
73
82
89
98
94
88
85
82
93
98
100
90

Medium Clouds (% Sky Obscured)

99
98
100
86
91
100
100
89
88
71
79
82
86
54
32
38
50
51
52
57
56
50
41
27

High Clouds (% Sky Obscured)

65
75
65
65
65
59
65
9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
8
9
8
9
9
9
9
9
9
9
9
9
9
9
0
0
0
0
0
0
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
None
Very Light Rain
Very Light Rain
None
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

55
30
54
54
49
67
83
61
30
13
9
18
5
20
23
17
16
10
17
18
15
13
21
30

Precipitation Amount (mm)

0.4
0
0.3
0.3
0
0.4
0.6
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
62
67
78
84
88
91
93
94
96
98
98
96
98
94
96
98
98
98
96
98
96
91
86

Pressure (mb)

1012
1012
1012
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009
1009
1010
1010
1011
1011
1011
1011

Ozone (du)

367
365
365
362
366
369
366
366
370
370
370
370
375
375
376
377
379
378
381
384
387
389
389
390

Thursday 30

Waxing Gibbous 100%

19:42

05:32

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 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: 06:00, Set: 20:20, Transit: 13:11. Moon - Rise: 19:42, Set: 05:32. Civil Dark: 20:53 - 05:27. Nautical Dark: 21:34 - 04:46. Astro Dark: 22:19 - 04:00

Total Clouds (% Sky Obscured)

90
100
100
100
100
100
99
91
89
67
49
39
70
93
96
97
98
98
100
100
100
98
100
99

Low Clouds (% Sky Obscured)

75
68
71
76
75
55
82
69
68
33
6
6
44
53
65
64
70
75
78
95
93
93
92
84

Medium Clouds (% Sky Obscured)

39
60
60
65
65
70
70
49
18
5
2
3
12
42
87
89
95
96
100
88
91
75
57
50

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
4
3
3
5
61
60
64
6
7
1
0
0
0
0
0

ISS Passover

Visibility (miles)

9
7
9
9
5
8
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3

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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Snow
Snow
None
None
Snow
Snow
Snow

Precipitation Probability (%)

35
55
55
51
41
46
38
25
17
5
1
1
1
1
1
9
24
33
44
33
32
42
49
51

Precipitation Amount (mm)

0
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.2
0
0
0.1
0.2
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
3
3
2
1
1
1
2
2
1
1
-0
-1
-1
-1
-1
-1
-1
-1
-1
-2
-3
-5
-7

Relative Humidity (%)

88
85
79
78
67
69
67
76
86
93
96
94
96
96
96
96
96
98
96
92
83
71
56
48

Pressure (mb)

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

Ozone (du)

389
390
390
392
393
395
396
398
400
400
400
400
400
401
400
400
400
401
401
403
405
408
411
413

Friday 1

Full Moon 100%

20:50

05:56

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 OK
01 Good
02 Good
03 Good
04 Good
05 OK
06 Bad
07 Bad
08 Bad
09 OK
10 OK
11 Bad

Sun - Rise: 05:58, Set: 20:21, Transit: 13:11. Moon - Rise: 20:50, Set: 05:56. Civil Dark: 20:54 - 05:25. Nautical Dark: 21:35 - 04:44. Astro Dark: 22:21 - 03:57

Total Clouds (% Sky Obscured)

99
98
89
79
70
75
80
83
79
72
67
45
23
1
1
1
1
19
38
54
48
42
39
48

Low Clouds (% Sky Obscured)

77
69
60
51
41
52
63
70
68
64
60
38
20
0
0
1
1
17
38
54
48
42
39
48

Medium Clouds (% Sky Obscured)

49
47
42
39
28
37
58
69
34
21
9
7
5
1
1
1
1
3
3
3
0
0
0
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)

4
2
9
4
9
9
9
9
9
9
9
9
9
9
9
9
9
6
5
6
9
9
9
8

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

Snow
Sleet
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

52
48
44
35
23
22
20
11
7
6
0
0
0
0
0
0
0
0
1
2
1
5
2
11

Precipitation Amount (mm)

0.2
0.2
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
9
10
9
10
10
10
8
7
5
5
4
4
4
4
4
4
5
5
6
7
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

52
45
50
42
44
44
44
50
63
83
87
89
94
94
96
96
96
98
98
91
78
65
55
50

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1013
1014
1015
1015
1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1015
1015
1015

Ozone (du)

412
411
412
412
411
413
414
411
410
409
409
409
410
409
407
406
405
405
405
405
405
406
405
405

Saturday 2

Waning Gibbous 98%

21:58

06:26

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: 05:57, Set: 20:23, Transit: 13:10. Moon - Rise: 21:58, Set: 06:26. Civil Dark: 20:56 - 05:24. Nautical Dark: 21:37 - 04:42. Astro Dark: 22:23 - 03:55

Total Clouds (% Sky Obscured)

57
68
80
91
100
97
93
89
77
64
53
53
54
51
87
89
92
81
68
60
85
93
97
97

Low Clouds (% Sky Obscured)

57
68
70
68
63
60
62
64
49
23
10
12
14
16
71
72
74
53
31
5
23
41
58
49

Medium Clouds (% Sky Obscured)

2
2
20
39
54
50
65
43
62
64
53
53
54
51
66
69
70
60
50
40
50
65
79
87

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
3
7
0
1
4
2
2
2
3
3
5
2

ISS Passover

Visibility (miles)

8
9
9
9
9
9
9
9
3
3
0
2
0
4
0
0
0
0
1
1
2
2
2
3

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
1
0
2
3
12
13
12
13
6
11
16
13
17
23
25
26
26
27
28
28
26
24
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
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

51
51
49
51
50
52
55
67
88
96
98
92
94
94
96
96
94
94
91
86
83
79
75
72

Pressure (mb)

1014
1014
1013
1013
1012
1012
1012
1012
1012
1013
1013
1013
1012
1012
1012
1010
1010
1010
1009
1009
1009
1009
1008
1007

Ozone (du)

406
407
408
409
410
411
411
410
410
411
410
409
409
409
409
409
408
408
409
409
410
409
408
407

Sunday 3

Waning Gibbous 94%

23:02

07:04

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: 05:55, Set: 20:24, Transit: 13:10. Moon - Rise: 23:02, Set: 07:04. Civil Dark: 20:57 - 05:22. Nautical Dark: 21:38 - 04:40. Astro Dark: 22:26 - 03:53

Total Clouds (% Sky Obscured)

98
100
99
97
96
97
99
99
99
99
97
88
74
54
62
71
81
74
67
59
59
59
61
66

Low Clouds (% Sky Obscured)

40
35
35
36
39
43
50
51
55
65
66
65
60
50
56
62
73
69
65
59
59
59
61
66

Medium Clouds (% Sky Obscured)

95
100
99
97
96
87
78
72
81
87
89
69
44
18
28
37
47
31
16
1
1
1
2
16

High Clouds (% Sky Obscured)

5
10
9
12
11
35
65
99
67
33
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

2
2
1
2
2
2
2
2
2
1
1
0
0
0
0
0
0
0
3
5
8
5
3
0

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
Snow
Snow
Snow
Snow
None
None
Snow
Snow
None
None
None
None
None
None
None

Precipitation Probability (%)

35
38
41
43
44
40
34
28
38
46
51
50
45
37
38
39
38
33
29
25
25
24
23
28

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.2
0.2
0.2
0.1
0
0
0.1
0.1
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
78
82
82
83
83
86
91
94
94
96
96
98
98
98
98
98
98
94
94
93
91
91
90

Pressure (mb)

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

Ozone (du)

407
407
407
409
411
412
412
412
413
413
414
415
416
416
416
417
417
417
418
419
420
419
419
418

Monday 4

Waning Gibbous 88%

00:00

07:51

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

Sun - Rise: 05:54, Set: 20:25, Transit: 13:10. Moon - Rise: 00:00, Set: 07:51. Civil Dark: 20:58 - 05:21. Nautical Dark: 21:40 - 04:39. Astro Dark: 22:28 - 03:51

Total Clouds (% Sky Obscured)

70
75
64
52
43
48
69
78
76
86
86
87
76
74
79
84
90
93
95
97

Low Clouds (% Sky Obscured)

62
57
59
52
43
48
69
71
70
79
77
76
75
71
75
78
78
83
88
94

Medium Clouds (% Sky Obscured)

29
33
20
10
0
4
9
15
41
65
86
83
76
70
69
68
74
72
65
64

High Clouds (% Sky Obscured)

0
0
0
0
0
2
4
6
22
53
71
56
41
26
24
22
20
35
44
48

ISS Passover

Visibility (miles)

1
1
1
4
7
9
9
9
9
9
9
9
8
7
6
4
2
0
1
2

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 (%)

31
34
35
34
33
30
27
24
20
16
8
7
4
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
79
74
74
75
75
81
87
94
94
96
98
98
100
100
100
100
100
98
96

Pressure (mb)

1003
1003
1003
1003
1002
1002
1003
1003
1003
1004
1004
1005
1005
1005
1005
1005
1005
1005
1005
1005

Ozone (du)

416
415
413
408
403
398
397
395
394
392
391
390
390
390
391
392
393
394
395
396

Forecast for Algonquin Park, Canada (45.58,-78.51)

Generated: 28/04/26 12:45:00. Forecast: 28/04/26 to 04/05/26. Timezone: UTC-4.00