Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 5

Waning Gibbous 84%

23:57

08:24

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

Sun - Rise: 06:37, Set: 19:40, Transit: 13:09. Moon - Rise: 23:57, Set: 08:24. Civil Dark: 20:09 - 06:07. Nautical Dark: 20:44 - 05:32. Astro Dark: 21:22 - 04:54

Total Clouds (% Sky Obscured)

100
100
97
100
92
80
93
100
45
26
36
51
81
75
67
60
44
72
87
94
87
100
100
100

Low Clouds (% Sky Obscured)

55
57
71
97
85
62
67
100
14
10
31
38
77
65
56
53
44
65
87
75
0
0
49
54

Medium Clouds (% Sky Obscured)

10
0
0
0
39
40
79
90
29
7
9
32
60
32
11
0
0
12
30
75
87
100
100
100

High Clouds (% Sky Obscured)

100
35
40
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
7
4
9
3
9
9
9
9
9
9
9
9
9
9
9
9
9
9
0
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
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
6
0
18
21
21
38
51
29
7
4
2
2
1
1
2
1
1
0
1
1
23
28
9

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
16
16
15
19
20
18
18
18
14
16
14
15
15
15
14
12
11
10
9
9
9
9
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
79
69
64
68
64
69
71
64
63
64
65
70
77
80
69
73
81
81
81
80
77
89
66

Pressure (mb)

1008
1008
1008
1008
1008
1007
1008
1008
1009
1009
1010
1011
1012
1012
1012
1013
1013
1013
1014
1014
1015
1015
1016
1017

Ozone (du)

342
340
343
347
350
354
353
355
357
358
360
366
369
370
372
375
378
385
390
393
397
402
403
404

Monday 6

Waning Gibbous 76%

00:59

09:06

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
08 Bad
09 Bad

Sun - Rise: 06:35, Set: 19:41, Transit: 13:09. Moon - Rise: 00:59, Set: 09:06. Civil Dark: 20:10 - 06:05. Nautical Dark: 20:46 - 05:30. Astro Dark: 21:23 - 04:52

Total Clouds (% Sky Obscured)

95
68
78
100
100
100
100
100
99
100
93
88
57
62
91
99
97
97
99
94
88
89
53
46

Low Clouds (% Sky Obscured)

37
35
51
100
100
100
100
100
86
85
70
73
52
34
38
42
52
87
97
80
71
32
1
41

Medium Clouds (% Sky Obscured)

89
53
44
67
67
62
67
97
98
100
85
35
0
2
67
95
91
75
33
35
39
47
38
11

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
6
2
3
9
9
9
9
9
9
8
0
0
0
0
0
0
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
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None

Precipitation Probability (%)

2
1
0
5
5
25
27
32
16
21
26
16
14
10
31
52
69
76
77
46
21
7
8
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.3
0.4
0.3
0.4
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-7
-9
-8
-8
-7
-7
-6
-5
-5
-5
-4
-4
-3
-4
-4
-2
-3
-4
-5
-6
-7
-9
-10
-12

Relative Humidity (%)

53
44
42
41
42
43
48
52
55
59
69
73
75
80
81
92
94
91
91
87
85
70
67
57

Pressure (mb)

1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1017
1018
1018
1018
1018
1019
1019
1020
1021
1022
1023
1024
1026
1027

Ozone (du)

405
406
405
405
404
406
407
407
405
407
408
411
410
410
411
412
416
421
427
431
433
434
436
437

Tuesday 7

Waning Gibbous 67%

01:54

09:56

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

Sun - Rise: 06:33, Set: 19:42, Transit: 13:08. Moon - Rise: 01:54, Set: 09:56. Civil Dark: 20:12 - 06:03. Nautical Dark: 20:47 - 05:28. Astro Dark: 21:25 - 04:50

Total Clouds (% Sky Obscured)

35
33
30
30
38
51
57
51
25
2
2
0
0
0
0
0
0
0
0
2
23
11
19
28

Low Clouds (% Sky Obscured)

35
33
30
30
31
31
32
29
3
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
20
9
14
20

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
2
2
5

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
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-13
-13
-14
-13
-14
-13
-13
-13
-13
-11
-9
-9
-10
-10
-10
-10
-10
-10
-11
-11
-11
-11
-12
-12

Relative Humidity (%)

51
46
41
39
36
34
33
34
34
44
54
58
58
59
61
64
64
65
64
64
62
61
53
47

Pressure (mb)

1028
1029
1029
1030
1030
1030
1030
1030
1030
1030
1031
1033
1033
1034
1034
1035
1035
1035
1036
1036
1036
1037
1037
1038

Ozone (du)

436
431
429
441
450
452
457
456
452
447
441
436
428
421
415
410
407
401
398
395
390
387
387
386

Wednesday 8

Waning Gibbous 57%

02:41

09:56

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

Sun - Rise: 06:31, Set: 19:43, Transit: 13:08. Moon - Rise: 02:41, Set: 09:56. Civil Dark: 20:13 - 06:02. Nautical Dark: 20:49 - 05:26. Astro Dark: 21:26 - 04:48

Total Clouds (% Sky Obscured)

38
35
36
37
40
47
61
48
41
33
38
39
43
70
77
59
59
87
91
87
82
65
77
80

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

25
26
27
30
33
42
49
45
38
33
38
39
43
67
58
58
47
50
17
39
61
41
15
11

High Clouds (% Sky Obscured)

17
6
8
3
2
1
6
1
0
0
3
5
7
31
65
59
59
75
70
60
50
37
51
62

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
1

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-11
-9
-8
-9
-9
-9
-9
-8
-7
-6
-5
-2
-2
-2
-2
-1
-0
-1
-1
-1
-1
-1
-0
1

Relative Humidity (%)

43
47
50
44
40
37
37
37
43
49
56
64
64
67
68
72
75
76
75
73
73
76
75
73

Pressure (mb)

1037
1037
1037
1036
1035
1034
1033
1032
1031
1031
1031
1030
1030
1030
1030
1030
1029
1029
1029
1029
1029
1029
1029
1029

Ozone (du)

385
386
386
386
386
383
378
373
371
372
374
374
371
371
369
370
367
366
365
364
363
366
361
357

Thursday 9

Waning Gibbous 47%

03:20

10:55

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
08 Bad
09 Bad

Sun - Rise: 06:30, Set: 19:44, Transit: 13:08. Moon - Rise: 03:20, Set: 10:55. Civil Dark: 20:14 - 06:00. Nautical Dark: 20:50 - 05:24. Astro Dark: 21:28 - 04:46

Total Clouds (% Sky Obscured)

85
89
91
92
92
92
92
93
92
93
78
94
95
86
85
100
98
96
95
97
98
100
99
97

Low Clouds (% Sky Obscured)

0
0
0
0
11
24
34
22
11
0
16
33
52
41
32
24
1
1
1
25
50
73
80
87

Medium Clouds (% Sky Obscured)

7
9
18
20
52
39
32
82
91
93
70
94
93
70
28
25
15
20
40
60
70
82
70
59

High Clouds (% Sky Obscured)

71
72
71
73
64
57
52
59
46
30
4
59
58
35
63
100
97
94
91
93
98
100
69
33

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
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

1
9
11
9
4
1
0
4
8
14
33
31
19
31
44
47
0
1
1
26
51
68
79
77

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.5
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
65
62
62
62
60
61
65
66
69
72
73
73
74
77
78
81
82
84
85
85
85
85
81

Pressure (mb)

1029
1028
1027
1027
1026
1025
1024
1024
1024
1024
1024
1024
1024
1024
1024
1024
1023
1023
1022
1022
1022
1022
1022
1022

Ozone (du)

356
355
353
355
354
354
354
353
355
353
351
351
351
348
345
345
345
343
341
339
341
344
346
343

Friday 10

Third Quarter 37%

03:51

12:00

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 OK
01 OK
02 OK
03 OK
04 Good
05 Good
06 Good
07 Good
08 Good
09 OK

Sun - Rise: 06:28, Set: 19:46, Transit: 13:08. Moon - Rise: 03:51, Set: 12:00. Civil Dark: 20:16 - 05:58. Nautical Dark: 20:52 - 05:22. Astro Dark: 21:30 - 04:43

Total Clouds (% Sky Obscured)

96
93
92
90
91
91
92
82
74
65
60
56
52
41
30
22
19
12
5
4
3
2
11
19

Low Clouds (% Sky Obscured)

91
83
74
64
69
76
82
74
64
56
57
56
52
41
30
22
19
12
5
4
2
0
11
19

Medium Clouds (% Sky Obscured)

50
64
76
90
90
91
91
75
61
45
30
15
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
5
15
20
20
10
0
0
0
0
0
0
0
0
0
0
0
1
1
2
1
1

ISS Passover

Visibility (miles)

9
9
6
3
1
1
1
1
4
6
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

Light Rain
Very Light Rain
Very 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
None
None
None

Precipitation Probability (%)

64
61
64
75
90
95
95
95
95
85
59
35
1
1
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.4
0.3
0.3
0.4
0.6
0.8
1.2
1.2
1
0.5
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
10
10
9
9
10
10
11
11
10
9
9
8
7
6
4
3
3
3
2
2
2
3
4

Feels Like (°C)

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

Dew Point (°C)

5
6
7
8
9
9
10
11
10
9
8
7
6
5
4
3
2
2
2
1
1
1
0
0

Relative Humidity (%)

78
76
81
88
96
96
96
96
95
93
93
91
91
91
91
93
91
93
93
93
91
88
85
77

Pressure (mb)

1022
1022
1021
1021
1020
1020
1020
1019
1020
1021
1021
1022
1023
1024
1024
1025
1025
1025
1026
1026
1027
1028
1029
1029

Ozone (du)

341
338
337
337
336
338
340
343
348
353
358
359
360
360
362
363
364
361
359
356
357
358
359
360

Saturday 11

Waning Crescent 28%

04:17

13:08

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

Sun - Rise: 06:26, Set: 19:47, Transit: 13:07. Moon - Rise: 04:17, Set: 13:08. Civil Dark: 20:17 - 05:56. Nautical Dark: 20:53 - 05:20. Astro Dark: 21:31 - 04:41

Total Clouds (% Sky Obscured)

24
22
23
20
17
12
6
5
3
2
21
42
63
61
60
54
60
73
82
84
86
89

Low Clouds (% Sky Obscured)

24
22
23
20
17
12
6
5
3
2
1
1
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
6
11
17
14
12
10
20
23
25
46
68
89

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
14
24
33
56
60
54
60
73
82
84
86
89

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

Fog (%)

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

Precipitation Probability (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
3
3
4
5
9
9
8
8
8
7
4
4
3
3
3
2
0
0
0
0
0

Dew Point (°C)

0
0
1
1
2
2
2
2
2
2
2
2
1
1
1
1
0
0
0
0
1
1

Relative Humidity (%)

70
64
61
59
56
60
63
68
71
75
79
79
79
77
80
82
82
82
80
80
80
82

Pressure (mb)

1029
1029
1029
1029
1028
1028
1028
1028
1028
1028
1028
1028
1029
1029
1029
1029
1029
1028
1028
1028
1027
1027

Ozone (du)

361
362
363
363
363
361
359
356
353
350
346
345
343
342
341
339
338
339
340
341
340
338

Forecast for Yarker, Lennox and Addington County, Canada (44.37,-76.77)

Generated: 05/04/26 10:51:52. Forecast: 05/04/26 to 11/04/26. Timezone: UTC-4.00