Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 22

Waxing Gibbous 77%

17:09

01:05

08 OK
09 OK
10 OK
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: 06:14, Set: 19:57, Transit: 13:05. Moon - Rise: 17:09, Set: 01:05. Civil Dark: 20:28 - 05:43. Nautical Dark: 21:07 - 05:05. Astro Dark: 21:48 - 04:24

Total Clouds (% Sky Obscured)

22
29
42
88
95
88
96
98
87
86
83
83
58
90
88
40
77
87
90
98
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
58
26
27
62
23
0
26
0
0
4
5
0
24
33
13
65
63
73
81
81

Medium Clouds (% Sky Obscured)

22
18
7
42
77
87
96
93
80
86
68
27
31
32
30
29
68
73
81
93
98
100
100
100

High Clouds (% Sky Obscured)

22
28
42
71
39
40
50
67
12
9
9
39
26
41
27
3
6
41
11
27
46
65
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
9
9
9
9
9
9
7
5
3
3
4
1
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
Very Light Rain
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
2
24
35
8
2
3
8
46
56
62
50
81
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0.5
0.8
1.2
1.3
1.8
1.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
18
20
21
23
24
25
25
26
26
25
23
21
20
19
19
18
18
17
17
17
17
17
17

Feels Like (°C)

16
17
19
19
21
23
24
25
24
25
25
24
22
22
20
19
20
18
17
17
17
16
16
16

Dew Point (°C)

13
13
12
13
13
14
15
15
15
18
20
20
19
18
18
18
17
17
17
17
17
16
17
17

Relative Humidity (%)

79
70
62
58
53
54
56
53
50
61
77
80
89
91
92
93
95
98
98
98
100
98
98
100

Pressure (mb)

1018
1018
1017
1016
1016
1015
1014
1014
1013
1012
1012
1011
1011
1011
1011
1010
1010
1010
1010
1009
1009
1008
1008
1008

Ozone (du)

326
325
324
325
324
321
321
319
318
319
320
320
319
320
318
318
319
320
318
317
319
318
318
320

Sunday 23

Waxing Gibbous 84%

17:52

02:06

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: 06:15, Set: 19:55, Transit: 13:05. Moon - Rise: 17:52, Set: 02:06. Civil Dark: 20:27 - 05:44. Nautical Dark: 21:05 - 05:06. Astro Dark: 21:46 - 04:25

Total Clouds (% Sky Obscured)

100
100
100
100
99
97
70
58
58
61
53
35
42
29
42
42
61
70
84
81
86
93
99
100

Low Clouds (% Sky Obscured)

85
86
82
84
91
87
56
52
58
61
53
35
42
29
40
23
49
60
79
74
79
75
79
71

Medium Clouds (% Sky Obscured)

100
99
100
98
98
67
54
38
20
25
22
0
0
0
0
0
3
5
0
2
0
0
56
43

High Clouds (% Sky Obscured)

100
100
100
100
45
3
16
0
22
0
0
0
0
0
0
1
35
1
0
1
2
36
68
58

ISS Passover

Visibility (miles)

0
0
0
0
9
8
9
9
9
9
7
9
9
9
5
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
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
75
95
69
70
88
78
70
64
63
58
32
21
8
2
3
12
5
7
24

Precipitation Amount (mm)

1.5
3.3
3.6
1.1
0.9
0.2
0.8
0.3
0.2
0.5
0.5
0.4
0.4
0.4
0.3
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
17
17
17
18
18
19
21
22
22
21
20
19
18
17
16
16
16
15
15
15
15
14
15

Feels Like (°C)

16
16
16
16
17
19
20
23
24
24
22
21
20
19
18
16
16
15
15
15
14
14
13
14

Dew Point (°C)

16
17
17
17
18
18
18
17
16
16
18
18
17
17
16
16
16
15
15
15
14
14
14
14

Relative Humidity (%)

98
98
98
100
96
98
96
80
70
68
82
89
92
95
96
96
98
98
96
96
96
96
95
95

Pressure (mb)

1007
1007
1006
1006
1006
1006
1006
1005
1005
1005
1005
1005
1006
1006
1006
1007
1007
1007
1007
1007
1007
1007
1008
1008

Ozone (du)

321
321
321
321
325
333
337
339
340
341
343
343
344
346
345
344
343
342
344
344
345
345
345
346

Monday 24

Waxing Gibbous 91%

18:27

03:13

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: 06:16, Set: 19:54, Transit: 13:04. Moon - Rise: 18:27, Set: 03:13. Civil Dark: 20:25 - 05:45. Nautical Dark: 21:03 - 05:08. Astro Dark: 21:43 - 04:27

Total Clouds (% Sky Obscured)

100
100
100
98
84
100
100
100
100
100
99
85
69
91
75
85
79
81
87
93
100
89
89
95

Low Clouds (% Sky Obscured)

64
54
59
58
62
68
69
64
77
71
71
70
67
61
66
62
78
81
80
79
79
67
73
93

Medium Clouds (% Sky Obscured)

50
30
33
37
7
20
47
52
51
68
67
67
43
42
63
66
36
38
55
76
97
41
28
14

High Clouds (% Sky Obscured)

57
57
56
55
48
52
100
100
100
100
76
6
3
41
9
16
0
0
23
50
75
50
27
0

ISS Passover

Visibility (miles)

9
9
9
9
9
7
4
6
5
5
5
8
8
9
9
7
9
9
8
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
Light Rain
Very Light Rain
None
None
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

Precipitation Probability (%)

39
65
55
49
61
81
81
95
95
94
74
53
33
36
37
39
32
31
26
25
16
9
7
3

Precipitation Amount (mm)

0
0.4
0.2
0
0.2
0.5
0.4
0.7
1.1
0.8
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
16
17
18
19
20
19
19
18
17
16
16
15
15
15
15
15
15
15
14
14
14
13
13

Feels Like (°C)

15
16
16
17
18
20
18
18
16
16
16
16
15
15
15
15
14
15
14
14
14
14
13
13

Dew Point (°C)

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

Relative Humidity (%)

93
92
90
85
71
68
85
88
90
93
98
98
98
100
100
98
98
98
98
98
96
98
98
98

Pressure (mb)

1008
1008
1008
1008
1008
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1008
1008
1008
1008
1009
1009
1010
1010
1011

Ozone (du)

346
347
350
351
350
349
348
346
346
345
348
347
347
346
345
344
343
343
343
344
344
345
347
347

Tuesday 25

Waxing Gibbous 96%

18:55

04:22

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 OK
06 OK
07 OK

Sun - Rise: 06:18, Set: 19:52, Transit: 13:04. Moon - Rise: 18:55, Set: 04:22. Civil Dark: 20:23 - 05:47. Nautical Dark: 21:01 - 05:09. Astro Dark: 21:41 - 04:29

Total Clouds (% Sky Obscured)

94
93
91
90
94
100
98
96
94
95
93
88
90
88
82
75
78
73
69
66
57
42
24
10

Low Clouds (% Sky Obscured)

91
89
87
83
92
100
96
89
89
91
89
88
81
78
77
58
66
54
55
58
57
42
24
0

Medium Clouds (% Sky Obscured)

22
27
35
30
27
22
24
28
29
28
30
29
31
30
30
30
30
27
18
9
0
0
0
0

High Clouds (% Sky Obscured)

2
4
6
17
33
46
31
17
8
5
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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 (%)

6
4
0
5
6
8
6
4
3
5
6
0
0
0
0
0
0
0
0
0
0
0
0
7

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

Chance of Frost

Temperature (°C)

14
15
15
16
18
19
20
20
20
19
18
18
16
16
15
15
15
15
15
15
15
14
15
15

Feels Like (°C)

13
13
13
14
18
18
18
18
18
17
17
18
17
17
16
16
16
15
14
14
14
14
14
14

Dew Point (°C)

14
14
14
14
11
11
11
11
11
12
12
13
14
14
14
14
14
14
13
13
13
13
13
13

Relative Humidity (%)

96
95
93
85
63
57
56
56
55
63
66
73
85
92
93
95
95
90
89
89
92
95
90
89

Pressure (mb)

1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1016

Ozone (du)

346
344
344
344
344
342
340
339
337
337
337
338
337
339
338
338
336
336
335
334
334
334
334
333

Wednesday 26

Waxing Gibbous 99%

19:18

05:32

08 Good
09 Good
10 OK
11 OK
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: 19:50, Transit: 13:04. Moon - Rise: 19:18, Set: 05:32. Civil Dark: 20:21 - 05:48. Nautical Dark: 20:58 - 05:11. Astro Dark: 21:39 - 04:31

Total Clouds (% Sky Obscured)

17
17
21
39
55
63
72
53
68
64
87
84
88
92
94
95
97
100
93
80
64
56
54
55

Low Clouds (% Sky Obscured)

10
17
21
33
35
38
56
53
64
45
27
9
12
13
19
13
7
0
13
26
39
26
13
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
10
20
30
22
17
11
7
3
0
6
12
19
32
46
55
44
39
39

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
2
16
56
71
80
87
93
94
97
100
87
70
46
37
47
53

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
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

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
1
1
2
5
5
6
2
3
1
0
0
0
0
4
9
14
19
19
15
22
30
37

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)

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

Chance of Frost

Temperature (°C)

16
18
20
21
22
23
23
23
24
24
23
21
19
18
17
16
16
15
14
13
13
13
14
14

Feels Like (°C)

15
18
20
21
22
21
22
22
24
25
25
22
20
19
19
18
17
16
15
14
13
13
14
15

Dew Point (°C)

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

Relative Humidity (%)

86
76
65
59
56
55
61
60
53
54
63
71
78
81
85
89
89
90
92
92
93
93
93
93

Pressure (mb)

1016
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1015
1015
1015
1015

Ozone (du)

330
327
324
322
320
320
320
320
319
317
316
316
316
315
314
314
311
309
306
307
308
309
309
309

Thursday 27

Waxing Gibbous 100%

19:38

06:42

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: 06:20, Set: 19:48, Transit: 13:04. Moon - Rise: 19:38, Set: 06:42. Civil Dark: 20:19 - 05:49. Nautical Dark: 20:56 - 05:12. Astro Dark: 21:36 - 04:32

Total Clouds (% Sky Obscured)

70
85
100
93
85
77
80
82
88
86
87
83
91
95
99
99
99
99
98
98
97
99
99
100

Low Clouds (% Sky Obscured)

1
3
4
13
22
30
35
43
50
37
24
11
28
47
61
71
79
83
77
71
46
41
39
38

Medium Clouds (% Sky Obscured)

50
66
84
59
32
4
18
35
55
50
40
26
25
25
21
22
20
20
13
7
1
4
7
10

High Clouds (% Sky Obscured)

64
80
98
87
71
57
60
67
71
80
85
83
80
80
76
76
70
70
75
75
75
80
90
95

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

60
71
76
60
45
36
44
48
49
64
74
82
95
95
95
70
57
42
48
49
48
47
43
35

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
16
18
19
21
23
24
24
24
24
23
22
20
20
20
19
19
18
18
18
18
18
19
19

Feels Like (°C)

15
16
18
19
19
18
17
26
25
24
24
24
24
20
20
20
19
19
18
18
19
19
19
20

Dew Point (°C)

14
15
17
19
19
19
20
20
20
21
21
20
20
20
19
19
19
18
18
18
18
18
18
18

Relative Humidity (%)

95
95
96
96
89
81
76
77
78
80
85
92
98
98
98
100
100
100
100
98
96
96
95
96

Pressure (mb)

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

Ozone (du)

310
310
311
312
312
313
313
313
312
312
311
310
309
310
310
310
311
311
311
312
312
313
317
320

Friday 28

Full Moon 99%

19:56

07:52

08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good

Sun - Rise: 06:21, Set: 19:46, Transit: 13:03. Moon - Rise: 19:56, Set: 07:52. Civil Dark: 20:17 - 05:51. Nautical Dark: 20:54 - 05:14. Astro Dark: 21:34 - 04:34

Total Clouds (% Sky Obscured)

84
67
51
64
78
92
86
80
73
54
34
14
10
6
2
2
1
0

Low Clouds (% Sky Obscured)

42
47
51
62
73
84
74
64
54
40
27
13
9
6
2
2
1
0

Medium Clouds (% Sky Obscured)

7
5
2
11
17
23
23
20
21
18
10
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

67
33
0
12
24
34
17
8
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
8
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

Precipitation Type

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

Precipitation Probability (%)

40
44
47
48
46
43
66
80
91
69
45
6
7
6
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.6
0.8
0.4
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
19
20
21
21
22
22
22
22
22
21
19
18
17
16
15
14
13

Feels Like (°C)

20
20
20
21
21
21
20
22
21
20
21
21
22
16
16
16
16
15

Dew Point (°C)

18
19
20
20
20
19
18
17
17
16
16
15
15
14
13
11
11
11

Relative Humidity (%)

96
96
96
96
89
83
76
73
71
68
73
77
81
81
81
80
83
87

Pressure (mb)

1010
1010
1010
1011
1011
1011
1012
1012
1012
1013
1013
1014
1015
1016
1016
1017
1018
1018

Ozone (du)

324
324
323
323
324
325
326
326
326
325
326
327
329
329
330
330
331
331

Forecast for ByWard Market, Ottawa, Canada (45.42,-75.69)

Generated: 22/08/26 08:17:15. Forecast: 22/08/26 to 28/08/26. Timezone: UTC-4.00