Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 3

Third Quarter 40%

23:40

15:14

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

Sun - Rise: 07:05, Set: 18:38, Transit: 12:51. Moon - Rise: 23:40, Set: 15:14. Civil Dark: 19:07 - 06:36. Nautical Dark: 19:42 - 06:02. Astro Dark: 20:16 - 05:27

Total Clouds (% Sky Obscured)

38
25
26
13
20
18
0
0
0
0
2
4
40
42
43
77
87
45
45
42
96
97
59
95

Low Clouds (% Sky Obscured)

6
1
7
13
20
18
0
0
0
0
0
0
0
0
0
0
13
0
0
0
40
44
29
15

Medium Clouds (% Sky Obscured)

38
12
14
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
1
3
28
41
92

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
2
40
42
43
77
82
45
45
42
93
90
10
56

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
1
8

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
15
15
15
13
11
11
10
9
8
8
7
7
6
6
3
3
2
3
5
7
9
11
13

Dew Point (°C)

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

Relative Humidity (%)

47
46
45
49
62
68
71
72
73
75
78
79
84
85
88
90
91
91
88
77
69
63
59
56

Pressure (mb)

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

Ozone (du)

290
292
293
294
296
297
297
297
296
295
294
293
294
295
293
292
291
291
293
296
302
307
312
315

Sunday 4

Waning Crescent 28%

00:59

15:54

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
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:07, Set: 18:36, Transit: 12:50. Moon - Rise: 00:59, Set: 15:54. Civil Dark: 19:05 - 06:37. Nautical Dark: 19:40 - 06:03. Astro Dark: 20:14 - 05:28

Total Clouds (% Sky Obscured)

93
100
95
97
97
88
95
98
100
98
96
77
76
81
90
100
99
46
44
39
82
68
94
100

Low Clouds (% Sky Obscured)

67
69
76
68
66
71
75
66
73
78
74
77
31
29
17
20
29
46
44
30
82
52
91
100

Medium Clouds (% Sky Obscured)

91
100
79
53
94
37
91
96
98
96
93
60
66
76
85
100
97
0
0
0
5
12
12
16

High Clouds (% Sky Obscured)

50
45
0
0
0
2
44
54
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

31
32
32
37
31
20
37
51
56
76
67
67
29
10
7
2
0
1
3
16
12
6
1
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.2
0.6
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
16
15
15
15
15
14
14
13
13
13
13
12
11
11
10
9
8
8
8
9
9
10
10

Feels Like (°C)

14
13
13
13
13
12
12
12
12
12
11
11
11
9
9
7
5
4
3
4
5
4
5
4

Dew Point (°C)

8
10
12
12
13
12
12
13
13
13
13
12
12
11
10
9
8
7
5
6
5
4
2
2

Relative Humidity (%)

58
70
79
80
83
86
90
93
95
96
96
95
95
96
93
93
93
91
84
84
77
73
57
57

Pressure (mb)

1018
1017
1016
1016
1015
1015
1015
1014
1014
1013
1013
1012
1012
1012
1012
1012
1012
1013
1014
1014
1015
1015
1015
1016

Ozone (du)

316
315
316
313
312
313
317
322
325
327
327
329
332
334
337
338
342
345
351
357
358
358
359
357

Monday 5

Waning Crescent 19%

02:18

16:24

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

Sun - Rise: 07:08, Set: 18:34, Transit: 12:50. Moon - Rise: 02:18, Set: 16:24. Civil Dark: 19:04 - 06:38. Nautical Dark: 19:38 - 06:04. Astro Dark: 20:12 - 05:30

Total Clouds (% Sky Obscured)

95
76
70
82
83
73
61
15
2
0
1
2
4
3
3
4
4
3
10
18
42
21
24
21

Low Clouds (% Sky Obscured)

88
64
68
78
80
66
44
2
2
0
1
2
4
3
3
4
4
3
2
2
1
5
10
16

Medium Clouds (% Sky Obscured)

25
20
0
0
0
0
22
12
0
0
0
0
0
0
0
0
0
0
4
9
13
12
7
3

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
5
31
5
8
4

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
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
57
57
59
59
60
61
66
67
69
72
74
76
77
77
80
83
84
84
69
57
51
45
41

Pressure (mb)

1016
1016
1016
1016
1017
1018
1019
1019
1019
1019
1020
1020
1020
1020
1020
1021
1021
1021
1022
1022
1022
1021
1020
1020

Ozone (du)

358
362
362
364
366
368
368
367
364
359
351
348
346
344
340
337
332
330
329
329
327
327
325
322

Tuesday 6

Waning Crescent 11%

03:35

16:48

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

Sun - Rise: 07:09, Set: 18:32, Transit: 12:50. Moon - Rise: 03:35, Set: 16:48. Civil Dark: 19:02 - 06:40. Nautical Dark: 19:36 - 06:06. Astro Dark: 20:10 - 05:31

Total Clouds (% Sky Obscured)

19
13
13
18
26
32
68
58
77
86
96
95
92
90
88
87
84
83
88
94
100
100
100
100

Low Clouds (% Sky Obscured)

13
9
4
3
2
0
0
0
2
3
8
14
16
20
5
12
12
7
15
14
10
38
70
99

Medium Clouds (% Sky Obscured)

5
4
7
11
15
17
26
38
47
49
93
92
92
89
86
81
50
58
49
61
100
46
56
47

High Clouds (% Sky Obscured)

3
2
3
4
7
9
65
28
52
59
78
68
61
15
52
67
65
63
57
59
56
48
14
2

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
4
6
8
9
9
8
6
2
15
24
32
47
48
47

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

39
37
37
44
53
54
53
53
54
56
57
56
58
57
59
68
75
84
81
71
70
76
69
72

Pressure (mb)

1019
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1016
1016
1015
1015
1014
1013
1012
1012
1011
1010
1009
1008
1007

Ozone (du)

319
318
316
314
312
311
310
308
306
303
300
299
300
299
299
299
298
298
299
299
298
297
296
295

Wednesday 7

Waning Crescent 5%

04:50

17:09

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
10 OK
11 Bad
12 Bad
13 Bad

Sun - Rise: 07:11, Set: 18:30, Transit: 12:50. Moon - Rise: 04:50, Set: 17:09. Civil Dark: 19:00 - 06:41. Nautical Dark: 19:34 - 06:07. Astro Dark: 20:09 - 05:32

Total Clouds (% Sky Obscured)

86
71
57
67
78
67
63
60
71
70
44
63
75
77
82
89
94
100
77
54
32
41
46
53

Low Clouds (% Sky Obscured)

82
61
42
52
57
66
63
59
61
42
41
36
54
60
63
51
39
26
27
27
27
30
31
33

Medium Clouds (% Sky Obscured)

6
4
1
10
20
29
18
21
46
60
11
53
64
70
76
80
83
86
64
42
20
25
31
41

High Clouds (% Sky Obscured)

2
2
3
5
63
4
5
19
71
5
7
4
4
5
6
20
30
42
28
14
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 (%)

37
27
12
28
31
28
34
22
27
30
13
7
25
19
4
5
4
1
2
2
0
22
31
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

66
66
67
69
70
78
79
81
86
87
93
95
96
95
95
95
93
91
90
79
69
59
55
51

Pressure (mb)

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

Ozone (du)

296
297
299
298
298
298
299
302
304
304
305
308
310
314
319
323
325
327
329
329
328
328
327
326

Thursday 8

Waning Crescent 1%

06:02

17:28

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 Bad
03 Bad
04 Bad
05 Bad
06 OK
07 Good
08 OK
09 Good
10 OK
11 OK
12 OK
13 OK

Sun - Rise: 07:12, Set: 18:29, Transit: 12:49. Moon - Rise: 06:02, Set: 17:28. Civil Dark: 18:58 - 06:42. Nautical Dark: 19:32 - 06:08. Astro Dark: 20:07 - 05:34

Total Clouds (% Sky Obscured)

51
54
56
61
67
73
56
39
22
24
27
30
39
49
72
53
30
7
11
15
20
26
31
35

Low Clouds (% Sky Obscured)

38
46
54
59
63
67
46
24
3
8
13
18
15
10
6
10
15
7
11
15
20
26
31
35

Medium Clouds (% Sky Obscured)

28
16
2
4
7
10
13
16
18
15
11
7
13
18
23
17
9
1
1
0
0
0
0
0

High Clouds (% Sky Obscured)

1
2
3
2
1
0
0
0
0
5
9
11
16
31
50
33
17
1
1
0
0
1
2
2

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

Precipitation Probability (%)

48
54
56
45
34
21
24
27
26
20
13
2
1
1
0
0
0
0
0
0
0
6
8
4

Precipitation Amount (mm)

0
0.2
0.3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
16
16
16
16
16
16
11
11
11
11
11
10
8
7
7
6
6
6
7
7
8
8
9

Dew Point (°C)

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

Relative Humidity (%)

48
50
55
57
61
65
70
75
80
87
88
90
91
91
93
95
91
91
90
78
68
60
53
46

Pressure (mb)

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

Ozone (du)

325
325
325
325
325
325
324
326
328
330
329
329
329
326
323
321
316
311
306
301
296
291
291
291

Friday 9

Waning Crescent 0%

07:14

17:46

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

Sun - Rise: 07:13, Set: 18:27, Transit: 12:49. Moon - Rise: 07:14, Set: 17:46. Civil Dark: 18:56 - 06:44. Nautical Dark: 19:31 - 06:09. Astro Dark: 20:05 - 05:35

Total Clouds (% Sky Obscured)

36
34
32
49
65
79
65
51
38
31
23
16
30
46
62
63
66
69

Low Clouds (% Sky Obscured)

33
33
32
35
31
30
18
10
1
1
2
2
5
7
9
10
12
15

Medium Clouds (% Sky Obscured)

0
0
0
15
30
40
35
23
14
12
12
10
15
22
28
37
46
56

High Clouds (% Sky Obscured)

1
1
0
1
2
2
11
18
25
13
7
3
14
25
37
33
29
21

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

18
17
6
14
13
10
7
4
0
1
1
1
3
3
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
16
15
13
13
13
13
9
9
9
9
9
8
5
5
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

41
44
48
50
51
52
54
60
67
75
75
77
75
76
76
76
78
78

Pressure (mb)

1016
1016
1016
1016
1017
1017
1018
1019
1019
1020
1020
1021
1021
1022
1022
1023
1024
1025

Ozone (du)

291
293
295
297
298
299
300
298
296
294
294
293
293
294
295
296
297
297

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

Generated: 03/10/26 14:20:07. Forecast: 03/10/26 to 09/10/26. Timezone: UTC-4.00