Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 11

Waxing Gibbous 99%

19:48

04:45

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

Sun - Rise: 05:35, Set: 20:22, Transit: 12:59. Moon - Rise: 19:48, Set: 04:45. Civil Dark: 20:56 - 05:01. Nautical Dark: 21:40 - 04:18. Astro Dark: 22:30 - 03:27

Total Clouds (% Sky Obscured)

5
18
22
12
9
7
0
0
3
68
15
30
5
6
3
3
26
4
36
5
31
26
49
95

Low Clouds (% Sky Obscured)

10
32
32
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3
4
9
17
18
95

High Clouds (% Sky Obscured)

0
0
0
0
2
3
0
0
3
68
13
28
3
6
3
3
26
3
36
5
31
3
34
3

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

Fog (%)

-
-
-
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
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)

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

Chance of Frost

Temperature (°C)

7
5
5
5
3
1
2
3
4
6
8
10
12
13
15
16
16
16
16
14
12
10
9
9

Feels Like (°C)

4
2
2
2
1
-1
-1
0
1
4
4
7
9
12
14
15
15
14
16
12
11
9
8
7

Dew Point (°C)

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

Relative Humidity (%)

59
61
63
63
63
64
66
64
55
46
41
36
34
33
33
33
32
33
43
61
70
66
66
67

Pressure (mb)

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

Ozone (du)

374
374
374
371
372
374
376
377
377
373
371
366
365
364
362
359
358
355
354
354
353
352
351
349

Monday 12

Full Moon 100%

20:55

05:06

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

Sun - Rise: 05:34, Set: 20:23, Transit: 12:59. Moon - Rise: 20:55, Set: 05:06. Civil Dark: 20:58 - 05:00. Nautical Dark: 21:41 - 04:16. Astro Dark: 22:32 - 03:25

Total Clouds (% Sky Obscured)

98
87
68
79
76
78
44
90
80
27
30
13
5
22
7
12
3
0
20
22
22
25
42
77

Low Clouds (% Sky Obscured)

1
30
23
25
25
25
7
15
15
3
6
2
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

98
87
49
79
73
75
18
69
36
9
5
3
2
17
4
9
3
0
20
22
22
23
37
33

High Clouds (% Sky Obscured)

3
0
3
0
3
0
2
3
3
5
3
3
3
3
2
2
0
0
0
0
0
0
4
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
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)

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

Chance of Frost

Temperature (°C)

9
9
9
8
8
7
7
8
9
10
13
16
18
20
22
23
24
25
24
23
20
17
16
15

Feels Like (°C)

6
6
6
6
6
5
5
6
7
8
11
13
16
18
20
22
24
25
26
25
21
19
17
17

Dew Point (°C)

3
3
3
2
2
1
1
3
4
4
5
6
7
7
8
9
11
13
16
18
17
16
15
14

Relative Humidity (%)

65
68
65
68
65
65
66
71
67
66
57
52
46
42
41
40
43
49
59
73
82
89
92
90

Pressure (mb)

1027
1027
1027
1026
1026
1026
1026
1025
1025
1024
1023
1022
1021
1020
1019
1018
1017
1017
1017
1016
1017
1017
1018
1018

Ozone (du)

349
348
345
343
342
341
340
341
340
339
337
336
336
335
333
332
331
330
331
333
333
332
331
330

Tuesday 13

Waning Gibbous 100%

22:01

05:34

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 OK
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

Sun - Rise: 05:33, Set: 20:25, Transit: 12:59. Moon - Rise: 22:01, Set: 05:34. Civil Dark: 20:59 - 04:58. Nautical Dark: 21:43 - 04:14. Astro Dark: 22:35 - 03:23

Total Clouds (% Sky Obscured)

68
62
65
72
97
92
68
93
83
48
86
100
100
100
100
100
100
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

0
0
0
7
7
10
9
8
11
9
6
5
5
33
52
37
39
37
33
10
16
25
52
50

Medium Clouds (% Sky Obscured)

20
17
13
11
21
20
8
17
3
0
0
9
5
0
0
39
34
39
29
6
12
17
22
33

High Clouds (% Sky Obscured)

65
59
65
66
94
83
67
81
73
48
86
100
100
100
100
100
100
100
100
100
100
100
100
94

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
1
4
15
25
13
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)

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

Chance of Frost

Temperature (°C)

14
13
12
11
11
11
10
11
13
15
17
19
21
22
24
24
25
25
24
22
19
18
17
17

Feels Like (°C)

14
12
12
10
9
8
8
9
10
13
16
18
20
22
23
23
24
24
24
22
20
18
17
17

Dew Point (°C)

13
12
12
11
11
10
10
10
11
12
14
16
17
17
17
17
17
17
19
19
18
17
16
16

Relative Humidity (%)

92
93
96
98
98
96
96
90
87
83
82
80
79
73
67
64
61
63
71
84
91
95
95
93

Pressure (mb)

1018
1018
1018
1019
1019
1019
1020
1020
1020
1020
1020
1019
1019
1018
1018
1017
1017
1016
1016
1016
1017
1017
1017
1017

Ozone (du)

329
328
326
326
326
327
327
326
325
325
325
326
327
327
328
329
327
327
328
330
333
337
339
339

Wednesday 14

Waning Gibbous 98%

23:03

06:09

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:32, Set: 20:26, Transit: 12:59. Moon - Rise: 23:03, Set: 06:09. Civil Dark: 21:00 - 04:57. Nautical Dark: 21:44 - 04:13. Astro Dark: 22:37 - 03:21

Total Clouds (% Sky Obscured)

99
98
98
99
100
100
100
100
99
99
98
96
95
93
96
97
99
100
100
100
100
98
94
72

Low Clouds (% Sky Obscured)

51
70
63
45
36
37
45
63
68
72
79
82
85
90
90
72
92
91
90
88
86
77
44
45

Medium Clouds (% Sky Obscured)

44
53
59
63
66
60
43
35
33
25
20
26
22
20
31
26
23
23
28
33
59
72
71
72

High Clouds (% Sky Obscured)

87
82
89
95
100
100
100
100
97
93
88
66
44
22
48
73
90
99
100
100
100
98
94
72

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
2
1
20
27
34
30
18
21
20
17
17

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
95
96
96
98
98
98
95
92
93
93
93
90
86
84
84
74
80
86
88
90
92
93
95

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1015
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

339
339
339
341
342
343
344
344
344
344
345
345
342
342
340
339
338
337
338
337
337
337
338
338

Thursday 15

Waning Gibbous 94%

23:58

06:54

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
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:30, Set: 20:27, Transit: 12:59. Moon - Rise: 23:58, Set: 06:54. Civil Dark: 21:02 - 04:56. Nautical Dark: 21:46 - 04:11. Astro Dark: 22:39 - 03:19

Total Clouds (% Sky Obscured)

74
100
100
100
100
100
100
100
100
100
100
100
100
99
97
94
92
84
75
68
72
75
79
78

Low Clouds (% Sky Obscured)

47
58
74
72
69
70
71
73
70
68
67
53
42
28
91
84
77
68
60
51
56
60
65
63

Medium Clouds (% Sky Obscured)

74
56
48
41
31
27
22
23
28
29
33
33
37
36
20
28
33
38
38
36
36
35
36
40

High Clouds (% Sky Obscured)

69
99
98
97
95
94
79
92
79
74
77
84
66
76
19
21
5
10
20
40
48
47
38
42

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 (%)

15
7
13
14
10
18
21
22
18
16
11
10
8
2
6
10
12
14
15
9
17
16
0
2

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
3
3
3
3
3
3
4
4
5
5
5
5
5
4
4
4
4
4
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
96
96
95
98
98
96
95
93
93
90
88
85
82
76
75
75
76
81
85
91
92
93
95

Pressure (mb)

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

Ozone (du)

338
338
339
340
340
339
340
341
341
339
337
336
336
336
337
337
337
337
338
339
340
340
340
340

Friday 16

Waning Gibbous 88%

No Rise

07:49

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

Sun - Rise: 05:29, Set: 20:28, Transit: 12:59. Moon - Rise: No Rise, Set: 07:49. Civil Dark: 21:03 - 04:54. Nautical Dark: 21:48 - 04:10. Astro Dark: 22:41 - 03:16

Total Clouds (% Sky Obscured)

78
76
67
53
37
40
45
51
55
58
61
73
86
100
100
100
100
100
100
100
100
100
100
87

Low Clouds (% Sky Obscured)

60
55
52
47
37
40
45
51
55
58
61
54
44
43
54
59
59
66
76
86
81
76
71
70

Medium Clouds (% Sky Obscured)

42
46
30
16
5
3
3
3
3
2
2
5
13
21
51
72
91
92
91
87
58
28
0
8

High Clouds (% Sky Obscured)

24
5
2
1
0
0
0
0
1
1
1
33
67
100
100
100
100
100
100
100
100
100
100
70

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
8
7
6
7
8
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

2
0
2
1
0
0
0
0
9
12
12
21
26
27
44
58
68
92
95
95
95
89
64
55

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.6
0.8
1
0.7
0.5
0.3
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
96
98
96
98
96
95
93
89
83
78
74
74
74
73
79
87
94
93
95
96
95
93
93

Pressure (mb)

1009
1009
1009
1009
1008
1008
1008
1007
1007
1006
1006
1005
1004
1003
1002
1002
1001
1000
1000
1000
1000
1001
1001
1001

Ozone (du)

341
341
342
343
344
346
344
343
342
341
339
338
337
336
336
337
338
339
341
344
346
351
356
361

Saturday 17

Waning Gibbous 81%

00:43

08:54

Sun - Rise: 05:28, Set: 20:29, Transit: 12:59. Moon - Rise: 00:43, Set: 08:54. Civil Dark: 21:04 - 04:53. Nautical Dark: 21:49 - 04:08. Astro Dark: 22:43 - 03:14

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 11/05/25 03:19:33. Forecast: 11/05/25 to 17/05/25. Timezone: UTC-4.00