Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 8

Waning Gibbous 57%

02:41

10:55

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

Sun - Rise: 06:31, Set: 19:43, Transit: 13:08. Moon - Rise: 02:41, Set: 10:55. Civil Dark: 20:13 - 06:02. Nautical Dark: 20:49 - 05:26. Astro Dark: 21:26 - 04:48

Total Clouds (% Sky Obscured)

35
29
35
27
11
4
26
19
4
23
2
44
99
100
47
71
39
30
32
12
16
100
100
99

Low 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
67

Medium Clouds (% Sky Obscured)

0
9
12
1
5
1
26
18
1
21
1
37
77
77
47
24
34
23
22
6
11
75
99
83

High Clouds (% Sky Obscured)

2
2
2
2
0
0
0
0
2
2
2
2
87
100
47
71
39
20
24
12
6
100
100
70

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
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
23
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
1.6

Wind Speed/Direction (mph)

9
8
4
2
5
6
9
10
11
11
12
12
13
13
14
15
16
17
18
19
19
19
19
15

Chance of Frost

Temperature (°C)

6
5
3
1
2
2
3
3
3
3
2
2
2
2
3
3
4
6
7
9
10
12
12
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

38
43
52
57
64
72
69
69
72
70
70
72
72
70
68
67
64
62
59
58
57
54
58
66

Pressure (mb)

1033
1032
1032
1032
1032
1031
1030
1030
1030
1029
1029
1028
1028
1028
1028
1028
1027
1027
1026
1025
1024
1023
1022
1022

Ozone (du)

380
376
375
374
373
367
358
358
361
364
367
365
366
368
364
362
360
364
364
366
364
362
361
362

Thursday 9

Waning Gibbous 47%

03:20

12:00

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: 06:30, Set: 19:44, Transit: 13:08. Moon - Rise: 03:20, Set: 12:00. Civil Dark: 20:14 - 06:00. Nautical Dark: 20:50 - 05:24. Astro Dark: 21:28 - 04:46

Total Clouds (% Sky Obscured)

100
90
87
83
90
90
83
89
95
81
84
73
95
100
99
100
100
100
100
100
100
100
100
96

Low Clouds (% Sky Obscured)

86
76
62
59
69
75
62
51
51
56
52
54
48
41
5
5
45
86
85
93
100
100
89
94

Medium Clouds (% Sky Obscured)

100
66
80
30
40
17
20
41
48
0
0
72
33
98
99
99
97
100
100
98
98
100
100
87

High Clouds (% Sky Obscured)

65
22
70
4
38
44
14
4
23
29
76
49
80
100
72
97
100
100
100
100
93
100
50
45

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
2
4
6
6
3
12
95
100
68
1
1
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None

Precipitation Probability (%)

95
95
70
51
42
32
22
18
5
3
4
1
2
14
81
95
82
95
91
95
95
95
95
52

Precipitation Amount (mm)

1.1
1
0.2
0
0
0
0
0
0
0
0
0
0
0
0.4
1.5
0.4
0.7
0.5
0.8
1.5
2.1
1.1
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
10
9
8
8
7
7
7
7
7
5
4
4
4
4
4
5
4
4
4
4
4
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
93
93
98
98
98
96
96
98
98
96
93
85
80
79
83
91
88
91
88
89
93
94
93

Pressure (mb)

1022
1022
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1024
1024
1024
1024
1024
1023
1023
1022
1022
1021
1021

Ozone (du)

359
360
362
366
364
365
366
366
366
364
360
350
346
341
337
335
339
341
340
342
341
338
340
345

Friday 10

Third Quarter 37%

03:51

13:08

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 OK
11 OK
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:28, Set: 19:46, Transit: 13:07. Moon - Rise: 03:51, Set: 13:08. Civil Dark: 20:16 - 05:58. Nautical Dark: 20:52 - 05:22. Astro Dark: 21:30 - 04:43

Total Clouds (% Sky Obscured)

93
96
98
95
90
99
96
76
80
83
68
58
72
65
54
65
54
45
42
53
73
75
77
73

Low Clouds (% Sky Obscured)

85
91
92
89
89
98
94
61
69
72
51
47
60
64
54
65
54
45
42
53
73
73
70
66

Medium Clouds (% Sky Obscured)

26
32
26
15
4
0
0
2
0
0
0
0
0
2
0
0
0
0
0
0
0
2
4
6

High Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3

ISS Passover

Visibility (miles)

9
7
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 (%)

24
2
0
0
1
0
1
1
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
94
91
88
89
88
89
89
85
83
83
86
84
86
78
65
60
56
52
51
47
47
50

Pressure (mb)

1021
1022
1022
1023
1024
1024
1024
1025
1025
1025
1026
1026
1027
1028
1028
1029
1030
1030
1031
1030
1030
1030
1029
1029

Ozone (du)

348
348
351
352
354
356
361
373
388
393
386
381
375
375
373
370
369
367
364
361
356
354
353
353

Saturday 11

Waning Crescent 28%

04:17

14:19

17 Bad
18 OK
19 Good
20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
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: 06:26, Set: 19:47, Transit: 13:07. Moon - Rise: 04:17, Set: 14:19. Civil Dark: 20:17 - 05:56. Nautical Dark: 20:53 - 05:20. Astro Dark: 21:31 - 04:41

Total Clouds (% Sky Obscured)

55
27
14
30
30
30
41
45
38
70
82
69
95
93
96
98
100
100
100
100
96
100
100
100

Low Clouds (% Sky Obscured)

45
22
2
0
0
0
16
30
38
38
31
24
16
8
1
0
0
0
0
15
4
29
59
81

Medium Clouds (% Sky Obscured)

4
2
0
0
0
28
28
8
1
9
10
1
27
74
94
98
100
100
100
100
92
97
95
93

High Clouds (% Sky Obscured)

2
4
3
30
25
20
15
7
1
23
46
63
88
73
70
79
100
100
100
96
94
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
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
10
14
39
55
71
66
63
88

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.3
0.3
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
60
67
73
77
77
77
77
77
80
78
76
80
83
84
79
71
67
61
55
57
55
60
72

Pressure (mb)

1029
1029
1030
1030
1031
1031
1031
1031
1031
1031
1031
1030
1030
1030
1030
1029
1029
1028
1027
1026
1025
1023
1021
1020

Ozone (du)

352
355
357
358
359
359
359
356
355
352
345
341
338
335
334
336
337
338
337
338
337
337
336
336

Sunday 12

Waning Crescent 19%

04:39

15:31

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
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:24, Set: 19:48, Transit: 13:07. Moon - Rise: 04:39, Set: 15:31. Civil Dark: 20:18 - 05:54. Nautical Dark: 20:54 - 05:18. Astro Dark: 21:33 - 04:39

Total Clouds (% Sky Obscured)

100
100
100
100
99
99
99
100
100
100
100
100
100
100
100
96
90
82
88
94
100
87
72
62

Low Clouds (% Sky Obscured)

59
37
10
11
3
9
15
25
32
41
49
57
64
70
76
80
84
82
88
88
88
87
72
62

Medium Clouds (% Sky Obscured)

93
93
94
96
97
96
52
99
100
100
100
100
99
99
99
74
45
13
7
11
10
13
16
24

High Clouds (% Sky Obscured)

100
100
100
91
84
77
88
95
100
100
100
100
29
100
100
74
47
16
41
70
100
84
69
53

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
88
40
23
37
30
24
29
53
68
95
95
95
95
91
95
95
95
95
95
94
90
82
71

Precipitation Amount (mm)

0.9
0.3
0
0
0
0
0
0
0.2
0.3
0.8
1.2
0.8
0.8
0.6
1.8
2
1.9
1.7
1.1
0.7
0.6
0.5
0.3

Wind Speed/Direction (mph)

9
10
10
12
12
12
12
12
11
10
10
12
15
17
16
15
16
17
18
18
18
19
18
18

Chance of Frost

Temperature (°C)

9
10
10
10
10
11
11
11
11
11
11
10
12
13
13
13
14
15
16
16
17
18
18
17

Feels Like (°C)

6
6
6
5
5
6
6
6
8
9
8
5
6
6
7
8
8
8
9
9
9
9
14
13

Dew Point (°C)

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

Relative Humidity (%)

81
88
93
88
87
88
88
90
90
92
93
96
92
92
89
87
86
84
82
78
73
68
70
71

Pressure (mb)

1018
1017
1016
1014
1014
1014
1013
1013
1012
1012
1011
1010
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1008

Ozone (du)

333
332
330
331
331
330
330
327
327
326
327
331
339
336
336
338
335
332
329
329
328
328
327
327

Monday 13

Waning Crescent 11%

04:59

16:43

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: 06:23, Set: 19:49, Transit: 13:07. Moon - Rise: 04:59, Set: 16:43. Civil Dark: 20:19 - 05:52. Nautical Dark: 20:56 - 05:16. Astro Dark: 21:35 - 04:37

Total Clouds (% Sky Obscured)

75
87
99
98
96
95
97
98
100
100
100
100
100
100
100
100
100
100
97
94
92
95
98
100

Low Clouds (% Sky Obscured)

75
87
87
88
88
88
92
96
100
100
100
100
100
100
100
100
100
100
96
91
86
66
48
33

Medium Clouds (% Sky Obscured)

42
51
60
50
44
39
47
56
66
72
78
82
74
66
58
69
77
85
76
70
60
45
31
17

High Clouds (% Sky Obscured)

68
82
99
84
63
45
51
70
93
80
66
52
45
26
26
30
42
50
82
82
82
88
95
100

ISS Passover

Visibility (miles)

4
5
7
9
9
9
9
9
9
9
7
4
2
1
1
0
0
0
0
1
3
4
4
4

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

Precipitation Probability (%)

75
72
68
61
49
20
28
31
31
41
46
45
73
95
95
95
90
79
62
54
44
47
61
78

Precipitation Amount (mm)

0.4
0.3
0.3
0.3
0
0
0
0
0
0
0
0
0.3
0.6
0.8
0.7
0.5
0.4
0.2
0
0
0
0.3
0.6

Wind Speed/Direction (mph)

17
16
15
14
11
9
7
5
6
8
7
7
6
6
7
7
8
9
10
10
12
13
13
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
14
14
15
10
10
11
11
11
12
11
12
13
12
12
12
12
13
12
12
12
12
15
15

Dew Point (°C)

12
12
13
13
13
13
13
13
13
13
12
12
12
12
12
13
13
13
13
14
14
15
15
15

Relative Humidity (%)

72
77
82
87
89
90
92
95
95
95
95
96
98
98
98
98
98
98
95
93
89
87
86
86

Pressure (mb)

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

Ozone (du)

327
324
321
318
317
315
314
314
314
314
314
315
315
315
316
316
314
312
310
311
312
313
313
313

Tuesday 14

Waning Crescent 5%

05:19

No Set

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: 06:21, Set: 19:51, Transit: 13:06. Moon - Rise: 05:19, Set: No Set. Civil Dark: 20:21 - 05:51. Nautical Dark: 20:57 - 05:14. Astro Dark: 21:36 - 04:35

Total Clouds (% Sky Obscured)

100
100
100
99
99
98
93
88
86
91
97
100
96
93
90
93
96
100
100
100
100

Low Clouds (% Sky Obscured)

42
49
59
60
61
62
56
50
45
62
75
76
72
67
63
62
72
62
76
67
67

Medium Clouds (% Sky Obscured)

26
39
49
44
30
25
23
13
7
10
18
33
33
34
40
45
53
46
59
81
100

High Clouds (% Sky Obscured)

100
100
100
99
98
96
71
45
23
51
79
98
88
77
66
78
89
100
100
100
100

ISS Passover

Visibility (miles)

4
4
4
5
6
7
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

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

Precipitation Probability (%)

89
94
95
95
95
95
95
95
95
95
87
58
54
60
71
83
85
74
56
40
23

Precipitation Amount (mm)

0.7
0.7
1
1
1
1.4
1.5
1.4
1.1
0.8
0.5
0.2
0
0.2
0.3
0.4
0.5
0.4
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
17
16
16
15
15
14
12
9
7
5
4
3
3
2
2
2
3
4
5
6

Feels Like (°C)

14
14
14
14
11
11
11
12
13
13
1
1
-0
-1
-2
-2
-4
-3
-4
-3
-3

Dew Point (°C)

15
15
14
14
13
13
13
10
7
4
2
1
-1
-1
-3
-3
-4
-4
-4
-5
-5

Relative Humidity (%)

86
87
87
89
89
90
90
87
85
82
80
80
77
76
72
70
64
58
54
50
45

Pressure (mb)

1007
1006
1006
1006
1006
1007
1007
1009
1010
1011
1012
1014
1015
1016
1017
1018
1019
1019
1019
1019
1018

Ozone (du)

313
313
313
312
314
316
317
319
321
323
323
323
323
323
324
324
323
322
321
320
319

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

Generated: 08/04/26 17:49:54. Forecast: 08/04/26 to 14/04/26. Timezone: UTC-4.00