Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 15

Waning Crescent 5%

05:45

18:06

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
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:24, Set: 20:01, Transit: 13:13. Moon - Rise: 05:45, Set: 18:06. Civil Dark: 20:32 - 05:53. Nautical Dark: 21:09 - 05:15. Astro Dark: 21:50 - 04:34

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)

87
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

74
74
24
22
44
52
69
78
67
71
58
76
97
77
52
42
62
78
69
92
79
90
76
72

High Clouds (% Sky Obscured)

100
99
100
97
100
96
100
100
100
100
100
100
100
100
100
100
100
100
57
62
98
100
100
100

ISS Passover

Visibility (miles)

9
9
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
21
100
98
98
98
99
99
100
100
100
100
84

Precipitation Type

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

Precipitation Probability (%)

95
50
8
1
0
0
1
1
4
7
3
24
5
5
3
1
19
44
17
42
58
16
47
38

Precipitation Amount (mm)

0.9
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
93
98
98
96
98
96
98
98
98
100
98
100
100
100
100
98
98
100
98
100
98
100
100

Pressure (mb)

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

Ozone (du)

316
315
313
316
313
311
310
311
310
308
305
307
307
305
306
304
309
313
321
323
323
322
325
325

Thursday 16

Waning Crescent 1%

06:07

19:26

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
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:23, Set: 20:02, Transit: 13:13. Moon - Rise: 06:07, Set: 19:26. Civil Dark: 20:33 - 05:51. Nautical Dark: 21:11 - 05:13. Astro Dark: 21:52 - 04:32

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)

100
100
100
94
92
89
97
98
92
100
100
90
87
88
96
98
87
93
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

84
74
78
100
74
100
100
100
100
100
100
100
100
100
99
100
100
97
97
72
65
37
10
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
91
100
100
100
100
100
59
50
45
43
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
4
3
4
4
1
1
0
0
0
7
9
0
0
0
0
9
9
9

Fog (%)

17
75
100
16
0
0
0
0
0
0
0
0
97
100
74
44
73
100
84
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

27
43
19
23
32
88
95
95
95
95
95
95
95
95
82
95
95
95
64
30
6
1
2
0

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.9
0.7
1.1
1.8
1.6
2.7
3.3
1.7
0.5
1.1
2
1.4
0.4
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
12
12
13
14
15
16
15
15
14
14
13
13
12
12
11
10
10
10
9
9
9
9
9

Feels Like (°C)

11
12
12
13
15
16
15
14
14
14
13
12
12
11
10
9
9
8
8
7
6
5
5
5

Dew Point (°C)

11
12
12
13
14
15
15
14
14
14
14
13
12
12
12
11
10
10
9
9
8
8
7
7

Relative Humidity (%)

98
98
98
98
96
95
96
98
98
98
100
100
98
98
100
98
98
100
98
98
96
93
91
90

Pressure (mb)

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

Ozone (du)

324
320
320
319
319
320
320
322
326
326
327
329
332
341
340
351
358
352
345
341
335
336
336
334

Friday 17

New Moon 0%

06:33

20:49

08 Bad
09 Bad
10 Bad
11 Bad
12 OK
13 OK
14 OK
15 Good
16 OK
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: 06:21, Set: 20:03, Transit: 13:13. Moon - Rise: 06:33, Set: 20:49. Civil Dark: 20:34 - 05:50. Nautical Dark: 21:13 - 05:11. Astro Dark: 21:54 - 04:30

Total Clouds (% Sky Obscured)

100
99
96
92
29
31
25
12
23
76
73
69
86
100
97
65
53
40
71
68
93
73
69
100

Low Clouds (% Sky Obscured)

100
98
93
85
29
31
25
12
23
37
42
43
31
28
20
24
35
40
56
66
77
73
69
66

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
3
0
0
0
0
0
0
0
16
32
48

High Clouds (% Sky Obscured)

0
0
0
0
0
4
0
4
8
60
65
65
79
100
96
65
53
8
70
30
80
32
36
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
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)

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

Chance of Frost

Temperature (°C)

9
9
10
10
12
13
15
16
17
17
16
15
13
11
10
10
10
10
10
9
9
9
9
9

Feels Like (°C)

5
6
6
7
9
14
15
17
17
16
15
14
12
9
8
8
8
7
8
7
7
6
7
7

Dew Point (°C)

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

Relative Humidity (%)

88
87
84
80
73
62
56
50
49
49
60
72
79
84
87
90
91
95
96
95
93
93
93
93

Pressure (mb)

1014
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1015
1014
1014
1013
1013
1012
1011
1010
1009
1008

Ozone (du)

334
336
336
333
332
332
331
332
332
332
335
333
335
338
340
343
345
344
341
334
332
331
328
329

Saturday 18

Waxing Crescent 3%

07:08

22:15

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
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:19, Set: 20:05, Transit: 13:13. Moon - Rise: 07:08, Set: 22:15. Civil Dark: 20:36 - 05:48. Nautical Dark: 21:14 - 05:09. Astro Dark: 21:56 - 04:27

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
75
51
26
36
46
57
57
54
52
51
53
57
58
59
62

Low Clouds (% Sky Obscured)

65
64
64
70
81
88
91
96
100
75
48
26
36
46
57
57
54
41
51
46
45
46
47
62

Medium Clouds (% Sky Obscured)

52
94
85
96
98
100
96
57
88
74
51
0
0
33
5
24
2
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
73
47
20
20
20
20
20
20
20
20
15
15
15
15
10

ISS Passover

Visibility (miles)

9
9
9
9
2
9
9
9
9
9
0
0
9
7
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
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
5
9
95
95
95
95
95
95
83
66
91
51
31
1
2
0
0
2
5
7
6
5
16

Precipitation Amount (mm)

0
0
0
0.7
2
3.5
1.4
1.2
0.8
0.4
0
0.8
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
13
14
16
17
17
17
16
15
16
15
15
16
14
12
12
11
11
11
12
12
12
12
12

Chance of Frost

Temperature (°C)

10
11
12
14
14
13
13
12
12
12
10
9
7
4
3
2
2
1
0
-1
-1
-1
-2
-2

Feels Like (°C)

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

Dew Point (°C)

8
8
8
8
9
11
12
11
11
11
10
8
6
3
1
0
-2
-3
-4
-5
-4
-5
-6
-6

Relative Humidity (%)

88
81
75
67
73
86
92
93
93
93
95
96
91
89
88
86
80
76
75
74
77
75
74
74

Pressure (mb)

1008
1006
1004
1003
1002
1000
999
1000
999
999
1000
1001
1002
1004
1005
1006
1007
1007
1007
1008
1008
1009
1009
1010

Ozone (du)

330
329
329
328
327
328
327
326
327
327
326
326
326
326
331
333
333
338
336
339
339
337
340
347

Sunday 19

Waxing Crescent 8%

07:53

23:39

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
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:17, Set: 20:06, Transit: 13:12. Moon - Rise: 07:53, Set: 23:39. Civil Dark: 20:37 - 05:46. Nautical Dark: 21:16 - 05:07. Astro Dark: 21:58 - 04:25

Total Clouds (% Sky Obscured)

73
84
92
95
97
100
97
94
91
94
97
100
98
96
95
89
84
83
91
88
88
89
89
91

Low Clouds (% Sky Obscured)

73
84
92
95
97
100
84
65
47
61
75
89
89
90
90
86
81
76
60
45
30
46
63
79

Medium Clouds (% Sky Obscured)

0
0
0
17
33
50
41
38
34
51
40
73
49
28
7
22
37
52
54
66
73
63
55
48

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
9
20
32
43
33
22
10
25
25
25
11
7
1

ISS Passover

Visibility (miles)

9
2
9
9
9
4
9
4
9
3
7
2
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
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

24
18
15
15
20
8
28
31
34
33
37
16
26
26
24
19
15
7
6
4
2
2
3
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
13
14
15
15
16
17
16
16
15
13
13
11
10
10
10
10
9
9
9
9
9
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-8
-8
-8
-8
-8
-8
-8
-9
-8
-8
-8
-8
-8
-8
-8
-9
-9
-9
-11
-11
-10
-10
-10

Dew Point (°C)

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

Relative Humidity (%)

71
74
54
53
56
50
44
47
50
66
48
68
56
55
53
53
53
54
55
56
56
56
54
51

Pressure (mb)

1010
1011
1011
1011
1012
1012
1012
1012
1013
1013
1014
1015
1015
1016
1017
1018
1019
1020
1020
1021
1022
1022
1023
1024

Ozone (du)

355
366
379
382
391
407
414
418
419
415
412
408
403
405
406
408
414
421
428
428
428
428
435
442

Monday 20

Waxing Crescent 16%

07:53

00:54

08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 OK
14 OK
15 OK
16 OK
17 OK
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

Sun - Rise: 06:16, Set: 20:07, Transit: 13:12. Moon - Rise: 07:53, Set: 00:54. Civil Dark: 20:39 - 05:44. Nautical Dark: 21:17 - 05:05. Astro Dark: 22:00 - 04:23

Total Clouds (% Sky Obscured)

76
61
58
56
50
37
36
35
34
30
21
19
37
54
73
82
90
97
87
77
67
72
76
81

Low Clouds (% Sky Obscured)

76
61
58
56
50
37
36
35
34
30
21
19
19
9
0
0
0
0
4
8
12
9
5
1

Medium Clouds (% Sky Obscured)

30
14
0
0
0
0
0
0
0
0
0
0
13
24
33
50
70
89
82
75
67
72
76
81

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
0
23
47
70
78
85
91
63
36
9
9
6
6

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 (%)

7
8
5
5
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-14
-15
-17
-18
-18
-18
-18
-18
-18
-18
-17
-16
-15
-13
-12
-11
-11
-11
-12
-11
-11
-11
-10
-10

Relative Humidity (%)

49
41
35
29
26
24
23
22
21
21
25
30
36
42
49
58
56
54
52
53
53
55
54
54

Pressure (mb)

1025
1025
1026
1026
1026
1026
1026
1025
1025
1025
1025
1026
1026
1027
1027
1027
1027
1027
1027
1026
1025
1025
1024
1023

Ozone (du)

449
455
461
466
462
457
452
443
435
426
422
417
413
408
404
400
398
395
393
390
387
383
381
379

Tuesday 21

Waxing Crescent 26%

08:52

01:55

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

Sun - Rise: 06:14, Set: 20:08, Transit: 13:12. Moon - Rise: 08:52, Set: 01:55. Civil Dark: 20:40 - 05:42. Nautical Dark: 21:19 - 05:03. Astro Dark: 22:01 - 04:20

Total Clouds (% Sky Obscured)

83
85
86
84
87
91
94
97
98
96
96
97
97
97
97
97
93
85

Low Clouds (% Sky Obscured)

3
6
7
16
25
35
57
71
89
79
70
60
59
60
72
73
78
80

Medium Clouds (% Sky Obscured)

83
85
86
84
87
86
69
53
31
41
58
75
64
48
32
22
12
3

High Clouds (% Sky Obscured)

7
9
35
50
85
75
54
45
39
23
14
8
8
8
9
8
6
4

ISS Passover

Visibility (miles)

9
8
6
4
6
8
9
8
6
5
3
2
0
3
6
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

26
40
48
42
31
17
28
38
48
61
77
94
84
66
34
26
18
3

Precipitation Amount (mm)

0
0.1
0.2
0.1
0
0
0
0
0
0.3
0.4
0.7
0.6
0.3
0
0
0
0

Wind Speed/Direction (mph)

13
14
15
16
16
17
17
17
16
16
14
13
13
11
10
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-5
-6
-6
-6
-5
-6
-3
-3
-3
-3
-2
-2
-2
-2
-2
-2
-3

Dew Point (°C)

-9
-6
-3
-0
-1
-1
-2
0
2
4
4
4
4
2
1
-1
-2
-3

Relative Humidity (%)

54
66
78
94
86
79
72
79
86
93
94
96
96
93
91
86
84
81

Pressure (mb)

1023
1021
1019
1018
1016
1014
1013
1011
1009
1008
1008
1007
1007
1008
1008
1009
1009
1009

Ozone (du)

376
376
376
376
373
370
367
367
368
368
376
384
392
402
412
422
426
430

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

Generated: 15/04/26 08:14:54. Forecast: 15/04/26 to 21/04/26. Timezone: UTC-4.00