Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 8

Waning Crescent 23%

01:36

17:35

07 Bad
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 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 Good
06 OK

Sun - Rise: 05:57, Set: 20:20, Transit: 13:08. Moon - Rise: 01:36, Set: 17:35. Civil Dark: 20:53 - 05:24. Nautical Dark: 21:34 - 04:43. Astro Dark: 22:20 - 03:57

Total Clouds (% Sky Obscured)

84
77
83
67
81
100
100
100
80
56
23
33
47
83
82
30
25
27
28
26
28
22
13
19

Low Clouds (% Sky Obscured)

60
65
51
67
55
77
53
46
28
56
23
33
47
55
53
30
25
27
28
26
28
22
13
19

Medium Clouds (% Sky Obscured)

15
24
21
4
19
61
5
21
26
0
0
9
13
15
14
1
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

22
40
83
67
69
100
100
100
75
47
0
0
6
45
40
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
3
9
9
7
4
9
3
9
9
9
9
9
9
9
9
9
9

Fog (%)

38
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
14

Precipitation Type

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

Precipitation Probability (%)

0
0
0
8
10
21
40
73
84
74
57
58
80
90
39
21
7
3
2
1
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.6
0.6
0.4
0.2
0.2
0.5
0.6
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
22
23
24
25
27
27
28
28
27
27
27
26
24
22
22
21
21
20
20
20
19
19
18

Feels Like (°C)

23
26
24
26
28
29
29
29
30
30
32
31
29
27
24
24
24
24
23
23
23
22
21
20

Dew Point (°C)

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

Relative Humidity (%)

94
89
81
77
75
70
69
69
80
81
81
84
87
92
94
94
95
95
93
95
95
95
96
96

Pressure (mb)

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

Ozone (du)

315
315
317
318
318
319
320
322
325
323
318
316
315
316
316
317
319
321
321
323
325
323
322
321

Sunday 9

Waning Crescent 14%

02:51

18:34

07 Good
08 OK
09 OK
10 Good
11 Good
12 Good
13 OK
14 OK
15 OK
16 OK
17 OK
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

Sun - Rise: 05:58, Set: 20:18, Transit: 13:08. Moon - Rise: 02:51, Set: 18:34. Civil Dark: 20:51 - 05:26. Nautical Dark: 21:32 - 04:45. Astro Dark: 22:18 - 03:59

Total Clouds (% Sky Obscured)

9
9
13
14
9
17
28
30
27
34
42
100
72
72
76
98
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

9
9
13
14
9
17
28
30
27
34
36
0
0
18
0
0
0
0
0
0
5
0
24
21

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
18
19
20
14
0
58
100
100
100
100
100
100
92
95

High Clouds (% Sky Obscured)

0
0
0
2
0
0
0
0
0
5
9
100
57
58
76
94
100
100
100
100
94
93
58
57

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
9
9
9
9
9

Fog (%)

0
2
2
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
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
4
40
63
16
21
30
17
6

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
19
21
23
25
26
27
27
28
28
28
27
26
24
22
22
21
21
21
20
19
19
18
18

Feels Like (°C)

20
21
23
25
26
27
28
27
28
29
29
30
27
24
22
22
21
21
19
20
20
20
20
19

Dew Point (°C)

17
18
19
19
17
17
16
16
17
17
18
20
19
18
16
18
18
17
17
19
18
17
17
17

Relative Humidity (%)

95
92
89
78
64
57
52
51
52
53
55
63
68
69
69
79
81
79
80
93
91
88
92
92

Pressure (mb)

1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1013
1013
1013
1013
1013
1014
1014
1014
1013
1013
1014

Ozone (du)

320
320
319
320
322
325
329
329
325
322
322
320
319
318
318
318
318
319
317
319
321
322
321
322

Monday 10

Waning Crescent 6%

04:13

19:19

07 Bad
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 OK
22 OK
23 Good
00 Good
01 OK
02 OK
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 05:59, Set: 20:17, Transit: 13:08. Moon - Rise: 04:13, Set: 19:19. Civil Dark: 20:49 - 05:27. Nautical Dark: 21:30 - 04:46. Astro Dark: 22:16 - 04:01

Total Clouds (% Sky Obscured)

99
100
72
72
67
86
91
79
80
70
68
66
29
61
0
25
7
10
30
40
45
54
51
63

Low Clouds (% Sky Obscured)

5
5
0
22
52
58
66
60
70
45
32
40
29
52
0
24
7
8
27
34
40
45
42
37

Medium Clouds (% Sky Obscured)

71
31
41
36
33
45
57
30
43
37
24
36
3
11
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

66
62
58
55
3
7
16
0
1
60
60
55
4
0
0
0
0
3
2
2
0
0
1
20

ISS Passover

Visibility (miles)

9
9
9
9
9
8
9
9
9
9
7
3
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
Light Rain
Light Rain
None
Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

6
6
4
4
18
17
16
29
37
63
95
95
95
67
11
4
1
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.5
1.2
0
0.5
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
20
21
24
25
25
25
25
26
26
28
29
28
25
23
22
21
21
21
21
20
20
19
19

Dew Point (°C)

18
18
18
18
18
19
19
18
19
20
19
22
21
20
18
18
18
18
17
17
17
17
16
16

Relative Humidity (%)

93
93
91
80
72
71
73
68
69
73
70
84
88
91
91
91
93
95
95
96
96
96
96
96

Pressure (mb)

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

Ozone (du)

321
321
322
324
328
328
326
325
328
330
332
337
337
332
331
331
327
326
325
326
328
327
327
326

Tuesday 11

Waning Crescent 2%

05:37

19:54

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

Sun - Rise: 06:01, Set: 20:15, Transit: 13:07. Moon - Rise: 05:37, Set: 19:54. Civil Dark: 20:48 - 05:28. Nautical Dark: 21:28 - 04:48. Astro Dark: 22:13 - 04:03

Total Clouds (% Sky Obscured)

45
57
56
53
62
64
72
60
48
40
38
36
38
51
68
85
90
93
100
90
89
89
80
70

Low Clouds (% Sky Obscured)

32
35
34
33
35
40
44
42
37
35
24
14
0
0
1
2
0
0
0
12
25
35
32
30

Medium Clouds (% Sky Obscured)

0
4
7
9
12
21
45
17
8
6
38
36
7
50
40
16
43
31
40
10
21
31
29
25

High Clouds (% Sky Obscured)

4
21
27
23
27
7
1
3
4
10
15
25
35
51
68
85
81
85
90
89
83
72
49
43

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
1
1
1
1
1
2
7
15
9
13
7
5
4
6
4
1
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)

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

Chance of Frost

Temperature (°C)

17
19
20
22
24
24
25
26
26
27
27
26
24
23
21
20
19
18
17
17
16
16
15
16

Feels Like (°C)

18
21
21
23
26
25
27
28
29
29
28
29
26
24
23
21
19
18
17
16
17
16
15
16

Dew Point (°C)

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

Relative Humidity (%)

96
92
86
79
67
63
60
57
55
52
56
69
72
75
76
72
70
76
83
83
82
82
82
82

Pressure (mb)

1011
1012
1011
1011
1011
1011
1010
1010
1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1007
1008

Ozone (du)

328
326
325
324
323
321
321
320
320
318
320
319
321
321
320
321
324
329
329
333
336
338
337
341

Wednesday 12

New Moon 0%

06:59

20:20

07 Bad
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 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 Bad
06 Bad

Sun - Rise: 06:02, Set: 20:14, Transit: 13:07. Moon - Rise: 06:59, Set: 20:20. Civil Dark: 20:46 - 05:30. Nautical Dark: 21:26 - 04:50. Astro Dark: 22:11 - 04:05

Total Clouds (% Sky Obscured)

50
61
67
71
61
61
75
100
100
100
85
71
67
50
31
16
26
37
47
45
45
48
58
62

Low Clouds (% Sky Obscured)

27
18
9
0
16
32
48
45
43
49
28
25
22
19
14
13
24
34
44
45
45
48
55
48

Medium Clouds (% Sky Obscured)

22
32
41
48
50
53
55
60
62
62
73
51
42
29
14
4
7
10
13
9
4
0
5
9

High Clouds (% Sky Obscured)

2
26
49
71
61
61
75
52
29
6
4
3
2
2
1
1
1
0
0
3
6
8
15
26

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

Precipitation Probability (%)

1
2
1
0
12
18
24
49
57
56
46
35
20
53
43
4
6
4
0
0
0
0
0
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
19
20
22
23
24
24
23
21
20
20
22
22
21
20
20
20
19
19
18
15
15
15
14

Dew Point (°C)

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

Relative Humidity (%)

82
77
66
58
51
46
43
43
62
66
67
65
71
73
73
73
74
75
77
78
79
80
82
80

Pressure (mb)

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

Ozone (du)

343
344
346
348
347
346
347
348
348
350
353
352
349
348
350
352
353
352
351
350
349
348
347
347

Thursday 13

Waxing Crescent 1%

06:59

20:42

07 Bad
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

Sun - Rise: 06:03, Set: 20:12, Transit: 13:07. Moon - Rise: 06:59, Set: 20:42. Civil Dark: 20:44 - 05:31. Nautical Dark: 21:24 - 04:51. Astro Dark: 22:09 - 04:07

Total Clouds (% Sky Obscured)

66
62
59
58
62
67
71
62
58
43
41
40
49
55
65
79
75
73
69
79
88
100
100
100

Low Clouds (% Sky Obscured)

41
44
46
49
48
48
47
30
19
14
21
28
35
50
60
60
63
66
65
66
69
48
53
62

Medium Clouds (% Sky Obscured)

13
13
15
19
33
43
52
47
41
33
32
36
45
55
65
79
73
69
65
76
87
98
94
90

High Clouds (% Sky Obscured)

31
19
8
4
17
32
35
24
11
2
7
10
15
20
20
25
33
43
49
63
77
92
89
92

ISS Passover

Visibility (miles)

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

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
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

Precipitation Probability (%)

0
0
0
0
13
14
8
27
32
26
27
37
51
81
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.6
0.9
1.1
0.6
0.6
0.5
0.5
0.5
0.8
1.1
1.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
17
19
21
22
23
23
23
23
22
21
20
19
19
18
18
17
17
17
17
17
17
17

Feels Like (°C)

14
13
16
17
18
18
19
20
23
23
22
23
22
23
17
17
18
18
17
17
17
17
17
17

Dew Point (°C)

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

Relative Humidity (%)

78
75
71
67
62
61
59
58
62
66
71
77
85
95
96
98
100
100
100
100
100
100
98
100

Pressure (mb)

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

Ozone (du)

346
345
346
346
347
346
345
344
343
342
341
339
336
334
337
340
343
345
347
349
353
357
361
366

Friday 14

Waxing Crescent 6%

08:16

21:01

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

Sun - Rise: 06:04, Set: 20:11, Transit: 13:07. Moon - Rise: 08:16, Set: 21:01. Civil Dark: 20:43 - 05:32. Nautical Dark: 21:22 - 04:53. Astro Dark: 22:07 - 04:09

Total Clouds (% Sky Obscured)

100
87
75
62
59
56
52
54
55
57
42
26
10
7
4
1
4
6
8

Low Clouds (% Sky Obscured)

74
70
66
62
59
56
52
52
50
48
35
23
10
7
4
1
2
2
2

Medium Clouds (% Sky Obscured)

86
58
30
2
2
1
0
3
6
9
8
5
1
2
2
1
3
2
0

High Clouds (% Sky Obscured)

95
67
33
0
0
0
0
0
0
0
0
0
0
1
1
1
3
4
6

ISS Passover

Visibility (miles)

1
1
4
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

Precipitation Type

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 (%)

95
95
95
95
86
60
27
31
28
20
22
22
25
23
20
2
1
0
0

Precipitation Amount (mm)

1.9
1.5
1.1
0.8
0.5
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
17
18
18
19
19
18
19
23
22
22
21
21
21
17
17
17
17
16

Dew Point (°C)

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

Relative Humidity (%)

98
98
92
86
81
74
68
63
63
63
64
69
76
83
86
89
92
90
90

Pressure (mb)

1004
1004
1005
1005
1006
1007
1007
1008
1009
1009
1010
1011
1012
1012
1013
1014
1015
1015
1015

Ozone (du)

370
375
370
365
359
359
358
358
357
357
356
357
357
358
357
356
355
356
357

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

Generated: 08/08/26 07:29:40. Forecast: 08/08/26 to 14/08/26. Timezone: UTC-4.00