Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Gibbous 88%

16:18

04:37

11 OK
12 OK
13 OK
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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:04, Set: 20:16, Transit: 13:11. Moon - Rise: 16:18, Set: 04:37. Civil Dark: 20:48 - 05:32. Nautical Dark: 21:29 - 04:52. Astro Dark: 22:13 - 04:07

Total Clouds (% Sky Obscured)

33
22
37
59
59
78
100
94
94
92
100
41
95
100
100
88
74
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
78
81

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
20
8
33
48
44
47
43
61
62
83
66
100
100
100

High Clouds (% Sky Obscured)

33
22
37
59
59
71
100
94
94
92
99
41
95
100
100
77
48
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
8
2

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
Light Rain
Moderate Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
27
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
0
0.6
5.4

Wind Speed/Direction (mph)

6
7
7
9
9
9
10
10
10
9
9
9
10
12
13
13
13
14
14
13
15
16
15
16

Chance of Frost

Temperature (°C)

18
19
20
20
20
20
20
19
16
14
12
11
10
10
10
11
11
11
10
10
10
11
11
11

Feels Like (°C)

15
16
16
17
16
17
16
15
13
11
9
8
7
6
6
7
7
7
5
5
5
6
7
6

Dew Point (°C)

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

Relative Humidity (%)

38
35
34
33
33
33
35
43
51
60
66
67
67
67
65
65
68
69
67
71
73
73
75
81

Pressure (mb)

1023
1023
1022
1021
1021
1020
1019
1020
1020
1019
1019
1019
1018
1017
1017
1016
1014
1014
1013
1012
1011
1011
1010
1009

Ozone (du)

350
349
349
349
350
351
351
348
348
344
345
344
346
346
345
343
340
341
339
339
342
343
343
345

Tuesday 28

Waxing Gibbous 94%

17:27

04:53

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 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
100
100
97
100
100
100
100
94
98
87
79
100
100
97
64
95
85
100
99
100
100

Low Clouds (% Sky Obscured)

87
100
100
100
100
95
100
100
100
100
90
89
68
75
35
35
37
9
28
38
49
62
65
59

Medium Clouds (% Sky Obscured)

100
75
70
26
41
60
80
56
0
0
0
0
1
2
2
24
77
27
15
32
70
84
100
100

High Clouds (% Sky Obscured)

100
65
0
0
0
0
0
0
0
0
4
20
82
79
19
15
19
64
73
85
100
97
96
95

ISS Passover

Visibility (miles)

2
8
0
0
0
0
0
1
7
1
0
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

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

Precipitation Probability (%)

95
87
57
39
46
48
51
48
29
11
8
11
0
1
0
0
0
0
0
0
7
13
11
22

Precipitation Amount (mm)

4.2
0
0
0
0
0.2
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

15
15
15
14
13
13
11
10
12
9
9
8
9
7
7
7
8
7
7
5
6
6
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
95
96
96
98
96
98
96
93
96
98
93
87
93
93
90
88
91
96
96
93
89
85
76

Pressure (mb)

1010
1010
1010
1010
1010
1009
1009
1010
1011
1011
1012
1013
1013
1013
1014
1014
1014
1014
1014
1014
1015
1015
1014
1013

Ozone (du)

346
348
355
361
370
371
373
368
362
360
360
361
361
365
369
367
370
364
369
378
377
376
376
373

Wednesday 29

Waxing Gibbous 98%

18:34

05:11

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 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
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
78
74
77
84
91
97

Low Clouds (% Sky Obscured)

65
100
91
87
78
87
90
94
87
87
96
88
65
65
58
53
45
40
35
44
59
70
82
93

Medium Clouds (% Sky Obscured)

100
100
96
98
100
100
100
100
100
100
100
100
91
90
52
53
48
46
31
25
23
25
32
37

High Clouds (% Sky Obscured)

100
100
55
100
100
100
100
100
100
84
30
40
40
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
5
9
9
9
6
4
5
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
21
24
24
24
24
24
24
24
24
24

Precipitation Type

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

Precipitation Probability (%)

19
71
92
59
52
53
73
95
95
61
60
51
40
20
8
4
2
3
8
1
2
3
4
5

Precipitation Amount (mm)

0
0.5
0.9
0.3
0.2
0
0.3
0.6
0.7
0
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
69
70
77
90
88
82
94
96
98
98
96
96
94
94
94
96
94
93
94
94
91
88
83

Pressure (mb)

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

Ozone (du)

369
369
368
370
368
366
366
368
370
375
377
377
375
377
380
383
384
383
383
385
383
383
388
391

Thursday 30

Waxing Gibbous 100%

19:42

05:32

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 OK
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 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)

89
90
89
88
86
86
84
82
79
81
83
82
83
83
84
67
51
34
49
64
79
82
82
87

Low Clouds (% Sky Obscured)

88
84
81
78
76
73
59
45
30
40
54
67
65
68
66
55
37
29
31
35
37
46
55
78

Medium Clouds (% Sky Obscured)

34
34
33
32
29
24
29
34
39
38
41
44
41
38
39
26
14
0
16
35
52
39
26
16

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
9
4
4
2
5
8
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
1

Fog (%)

24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24

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
Snow

Precipitation Probability (%)

22
18
29
33
31
40
34
31
20
4
11
0
0
1
1
3
4
0
0
1
0
0
28
42

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
0.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
55
48
53
50
55
59
62
73
76
82
86
91
94
94
94
92
92
92
94
87
74
63
54

Pressure (mb)

1011
1010
1010
1010
1010
1010
1011
1011
1012
1012
1013
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1015
1014

Ozone (du)

393
392
393
394
395
394
394
396
399
402
403
403
404
406
408
406
405
403
402
402
403
404
404
405

Friday 1

Full Moon 100%

20:50

05:56

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 OK
05 OK
06 OK
07 OK
08 OK
09 OK
10 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)

82
77
74
81
88
93
88
83
77
78
64
67
70
72
78
62
57
47
41
43
42
35
39
46

Low Clouds (% Sky Obscured)

76
74
73
81
85
88
82
77
72
73
62
63
66
70
73
61
56
47
41
43
42
35
39
46

Medium Clouds (% Sky Obscured)

11
42
43
54
61
71
72
78
67
28
24
18
13
10
11
14
15
17
11
6
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)

5
4
1
1
1
1
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24

Precipitation Type

Snow
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 (%)

40
40
38
40
37
31
22
18
6
3
4
2
5
5
1
15
10
0
0
1
0
4
6
6

Precipitation Amount (mm)

0.1
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
8
8
8
8
7
8
6
6
5
5
4
4
4
4
3
3
3
4
4
5
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

53
53
52
56
59
56
54
48
50
55
66
75
81
83
84
84
84
86
86
79
72
67
56
48

Pressure (mb)

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

Ozone (du)

407
409
409
407
407
405
404
405
406
408
410
410
410
410
410
410
413
417
420
419
418
416
415
414

Saturday 2

Waning Gibbous 98%

21:58

06:26

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

67
84
94
95
93
93
78
72
70
71
55
37
23
10
3
2
2
2
23
45
67
73
79
82

Low Clouds (% Sky Obscured)

67
84
80
80
80
81
60
45
25
22
27
20
16
9
2
2
1
2
1
1
1
3
7
9

Medium Clouds (% Sky Obscured)

5
8
8
7
8
8
6
3
0
0
0
0
1
0
0
0
0
0
22
44
65
65
68
67

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
8
7
6
7
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24

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 (%)

9
11
12
13
14
13
13
10
4
6
5
0
0
0
0
0
0
0
0
0
0
3
6
8

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

40
40
40
41
41
43
44
48
52
56
62
66
71
78
82
89
91
92
92
86
77
70
61
52

Pressure (mb)

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

Ozone (du)

412
412
411
410
409
407
406
404
402
400
399
398
397
397
397
397
398
399
400
403
406
409
411
412

Sunday 3

Waning Gibbous 94%

23:02

07:04

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 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 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)

80
78
76
67
58
52
69
85
90
88
84
81
72
50
21
47
73
99
99
99
99

Low Clouds (% Sky Obscured)

23
36
50
46
42
40
44
32
21
37
54
67
57
48
21
47
68
79
79
79
68

Medium Clouds (% Sky Obscured)

58
50
41
39
39
38
51
66
82
63
45
28
29
29
21
23
22
15
20
30
30

High Clouds (% Sky Obscured)

2
5
7
5
3
2
8
17
21
27
23
0
0
0
0
0
1
2
16
20
30

ISS Passover

Visibility (miles)

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

Fog (%)

24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24
24

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 (%)

9
10
11
10
7
1
1
1
0
4
6
7
14
19
22
26
25
21
18
13
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

46
44
44
44
42
41
40
46
52
60
66
69
76
79
82
85
88
91
94
94
93

Pressure (mb)

1010
1010
1009
1008
1008
1007
1007
1007
1007
1007
1007
1007
1006
1006
1005
1005
1005
1004
1004
1004
1005

Ozone (du)

414
412
410
409
406
403
400
399
399
398
399
400
402
403
405
407
408
410
411
412
412

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

Generated: 27/04/26 10:56:49. Forecast: 27/04/26 to 03/05/26. Timezone: UTC-4.00