Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 16

Waning Crescent 6%

04:31

14:56

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
14 Bad
15 Bad

Sun - Rise: 07:05, Set: 16:30, Transit: 11:47. Moon - Rise: 04:31, Set: 14:56. Civil Dark: 17:03 - 06:33. Nautical Dark: 17:39 - 05:57. Astro Dark: 18:14 - 05:22

Total Clouds (% Sky Obscured)

84
85
90
95
95
100
99
99
99
99
99
100
98
93
90
84
81
81
89
92
86
91
93
95

Low Clouds (% Sky Obscured)

75
75
73
78
82
79
70
58
74
73
72
72
70
71
66
66
67
69
68
73
75
82
73
76

Medium Clouds (% Sky Obscured)

77
85
90
92
92
96
97
95
95
95
95
98
92
78
58
40
38
24
35
31
14
17
29
27

High Clouds (% Sky Obscured)

0
0
2
30
74
70
37
45
24
3
8
7
3
4
6
6
4
3
1
0
0
0
0
0

ISS Passover

Visibility (miles)

5
4
4
2
1
0
0
2
2
1
2
8
9
9
8
9
9
9
9
9
7
7
7
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
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

19
20
18
28
36
39
30
32
28
29
17
11
6
7
5
1
5
1
1
2
17
2
6
17

Precipitation Amount (mm)

0
0
0
0
0
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
13
12
14
14
13
13
13
13
13
13
13
13
13
14
13
13
14
13
13
14
13
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-3
-4
-5
-4
-4
-4
-4
-4
-5
-4
-4
-5
-5
-5
-5
-6
-6
-5
-4
-4
-3
-3
-3
-3

Relative Humidity (%)

86
86
87
89
89
92
91
89
87
91
89
87
86
86
86
86
86
86
87
86
86
86
86
84

Pressure (mb)

993
993
994
995
995
996
996
996
997
997
997
998
999
999
1000
1002
1003
1003
1004
1004
1005
1005
1006
1006

Ozone (du)

314
313
313
318
323
326
322
321
321
323
327
330
333
337
336
339
335
336
338
343
346
348
351
350

Monday 17

Waning Crescent 3%

05:36

15:16

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
14 Bad
15 Bad

Sun - Rise: 07:07, Set: 16:30, Transit: 11:48. Moon - Rise: 05:36, Set: 15:16. Civil Dark: 17:02 - 06:34. Nautical Dark: 17:38 - 05:58. Astro Dark: 18:13 - 05:23

Total Clouds (% Sky Obscured)

93
95
83
85
82
84
84
89
91
90
83
75
55
56
51
45
40
60
76
76
75
78
67
65

Low Clouds (% Sky Obscured)

74
72
72
77
73
78
76
72
86
82
74
73
55
56
51
45
40
60
71
70
66
60
50
48

Medium Clouds (% Sky Obscured)

30
34
14
14
9
6
2
8
0
0
0
6
0
0
0
0
0
0
0
0
0
0
0
0

High 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
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
8
8
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 (%)

1
2
2
0
0
0
0
0
2
0
0
0
0
1
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)

13
12
12
12
12
11
11
11
11
11
11
10
10
9
9
9
8
9
9
8
8
8
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-3
-3
-4
-4
-4
-4
-4
-4
-4
-5
-5
-5
-5
-5
-5
-5
-5
-5
-4
-3
-3
-2
-2
-2

Relative Humidity (%)

83
86
86
86
87
87
89
91
89
89
91
91
91
91
91
90
91
89
87
86
84
87
86
89

Pressure (mb)

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

Ozone (du)

348
347
347
350
348
344
339
336
332
330
329
329
331
332
333
335
334
334
334
333
331
327
324
324

Tuesday 18

Waning Crescent 1%

06:43

15:41

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
14 Bad
15 Bad

Sun - Rise: 07:08, Set: 16:29, Transit: 11:48. Moon - Rise: 06:43, Set: 15:41. Civil Dark: 17:01 - 06:36. Nautical Dark: 17:37 - 05:59. Astro Dark: 18:12 - 05:24

Total Clouds (% Sky Obscured)

62
77
80
64
58
78
85
80
78
76
67
65
51
69
74
84
83
86
82
83
82
87
89
91

Low Clouds (% Sky Obscured)

40
69
73
52
42
69
81
69
54
47
49
47
34
60
74
77
76
80
76
78
75
82
86
89

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
1
0
0
5
5
21
19
32
3
51
26
7
9
3
4
4
1
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
84
86
89
84
86
81
87
91
92
92
92
94
94
94
94
91
83
77
78
80
80
83
89

Pressure (mb)

1019
1020
1020
1020
1021
1021
1021
1021
1021
1022
1022
1023
1023
1023
1024
1025
1025
1026
1026
1026
1025
1025
1026
1026

Ozone (du)

324
323
321
320
318
318
318
317
315
314
313
313
314
313
312
312
312
314
311
313
312
310
307
304

Wednesday 19

Waning Crescent 0%

07:49

No Set

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
14 Bad
15 Bad

Sun - Rise: 07:09, Set: 16:28, Transit: 11:48. Moon - Rise: 07:49, Set: No Set. Civil Dark: 17:00 - 06:37. Nautical Dark: 17:36 - 06:01. Astro Dark: 18:12 - 05:25

Total Clouds (% Sky Obscured)

75
55
57
62
62
76
86
89
91
94
97
100
100
100
100
100
100
99
99
99
94
91
92
88

Low Clouds (% Sky Obscured)

75
55
57
62
57
50
53
58
55
46
42
35
39
36
34
30
21
17
20
25
29
27
25
14

Medium Clouds (% Sky Obscured)

0
1
0
0
0
0
2
40
50
50
60
65
73
90
100
100
100
97
98
99
78
76
62
52

High Clouds (% Sky Obscured)

2
0
1
2
3
28
42
43
45
60
78
100
100
100
100
77
55
23
31
46
58
39
23
25

ISS Passover

Visibility (miles)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
96
96
96
96
94
96
96
96
94
96
98
98
98
96
96
92
91
89
91
91
91
91
92

Pressure (mb)

1026
1026
1026
1027
1027
1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026
1026
1026
1025
1024
1023
1023
1022

Ozone (du)

305
305
304
303
300
298
298
296
295
295
296
298
299
298
299
300
309
318
309
302
299
296
294
293

Thursday 20

New Moon 2%

08:53

16:12

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
14 Bad
15 Bad

Sun - Rise: 07:11, Set: 16:27, Transit: 11:48. Moon - Rise: 08:53, Set: 16:12. Civil Dark: 16:59 - 06:38. Nautical Dark: 17:36 - 06:02. Astro Dark: 18:11 - 05:27

Total Clouds (% Sky Obscured)

80
82
91
97
90
100
100
100
100
100
100
100
100
100
100
94
87
87
88
92
96
90
82
70

Low Clouds (% Sky Obscured)

32
52
80
87
88
88
91
93
95
94
93
92
93
97
100
87
75
62
71
79
87
71
55
39

Medium Clouds (% Sky Obscured)

66
69
79
91
54
38
32
97
96
91
52
100
94
88
83
82
74
65
65
65
65
57
40
28

High Clouds (% Sky Obscured)

40
56
63
62
60
100
78
56
34
34
34
30
35
45
55
70
75
80
88
92
95
63
32
0

ISS Passover

Visibility (miles)

9
9
8
8
2
1
1
1
1
0
0
0
0
6
8
7
5
3
1
1
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
Very Light Rain
Very Light Rain
Very Light Rain
Very 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
0
0
5
8
10
27
41
54
57
59
60
95
95
95
95
95
95
95
95
94

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.2
0.2
0.9
0.7
0.8
0.9
1
1.1
0.9
0.8
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
98
100
100
98
98
98
98
98
98
98
98
96
98
98
98
98
100
98
100
100
100

Pressure (mb)

1022
1022
1021
1021
1021
1020
1019
1019
1017
1017
1016
1015
1014
1013
1013
1012
1011
1010
1010
1009
1008
1007
1008
1008

Ozone (du)

294
294
299
299
300
297
297
295
296
297
300
300
303
306
305
305
305
305
305
310
314
319
323
327

Friday 21

Waxing Crescent 6%

09:50

16:51

16 Bad
17 Bad
18 Bad
19 OK
20 OK
21 Good
22 OK
23 OK
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

Sun - Rise: 07:12, Set: 16:26, Transit: 11:49. Moon - Rise: 09:50, Set: 16:51. Civil Dark: 16:59 - 06:39. Nautical Dark: 17:35 - 06:03. Astro Dark: 18:10 - 05:28

Total Clouds (% Sky Obscured)

56
35
15
10
5
5
23
40
58
69
79
91
95
98
100
99
98
97
97
98
100
100
100
100

Low Clouds (% Sky Obscured)

26
13
0
0
0
0
0
0
0
14
35
50
49
39
38
29
20
10
23
36
49
44
39
34

Medium Clouds (% Sky Obscured)

17
7
0
0
0
0
2
6
9
30
50
65
63
57
48
36
21
9
7
7
11
24
43
50

High Clouds (% Sky Obscured)

0
0
0
0
0
0
23
40
58
53
30
13
12
13
12
24
22
26
20
23
42
42
24
0

ISS Passover

Visibility (miles)

0
0
0
0
3
6
9
9
9
9
6
3
0
3
6
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

Very Light Rain
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 (%)

70
47
16
9
6
1
4
4
0
14
19
22
22
18
8
9
7
0
6
8
2
9
13
17

Precipitation Amount (mm)

0.3
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
6
7
7
7
7
7
7
6
6
6
6
6
6
6
6
7
7
7
7
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
100
98
96
94
96
96
94
96
98
98
92
91
86
83
81
80
78
78
78
78
78

Pressure (mb)

1008
1009
1009
1010
1011
1011
1011
1012
1012
1012
1013
1013
1013
1014
1014
1014
1015
1015
1015
1015
1015
1014
1014
1013

Ozone (du)

332
331
330
329
320
312
303
303
303
304
308
313
317
317
317
318
319
320
321
317
313
309
307
306

Saturday 22

Waxing Crescent 11%

10:38

17:40

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

Sun - Rise: 07:13, Set: 16:25, Transit: 11:49. Moon - Rise: 10:38, Set: 17:40. Civil Dark: 16:58 - 06:41. Nautical Dark: 17:34 - 06:04. Astro Dark: 18:10 - 05:29

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
93
87
84
80
77

Low Clouds (% Sky Obscured)

56
78
100
99
99
98
96
93
93
98
99
100
100
100
98
95
93
87
84
80
77

Medium Clouds (% Sky Obscured)

76
84
88
90
90
93
89
85
83
86
87
89
90
94
99
82
70
58
40
21
2

High Clouds (% Sky Obscured)

3
6
13
38
57
70
78
86
94
83
73
59
40
20
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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Snow
Snow
Frozen rai
Frozen rai
Frozen rai
Frozen rai
Frozen rai
None
None
None
None
None
None
None
None
Snow
Sleet
Sleet
Sleet
None
None

Precipitation Probability (%)

40
57
73
75
69
61
55
43
25
22
19
12
23
28
21
44
54
60
47
31
0

Precipitation Amount (mm)

0.1
0.2
0.4
0.5
0.4
0.3
0.3
0
0
0
0
0
0
0
0
0.1
0.2
0.4
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-4
-4
-4
-5
-4
-4
-4
-4
-4
-4
-3
-3
-4
-4
-4
-4
-3
-3
-3
-2

Dew Point (°C)

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

Relative Humidity (%)

77
81
83
86
87
87
89
89
89
89
89
91
91
91
91
92
91
89
88
86
86

Pressure (mb)

1013
1013
1013
1013
1012
1011
1011
1010
1010
1009
1009
1008
1008
1008
1007
1007
1007
1007
1007
1007
1007

Ozone (du)

304
304
303
303
302
302
301
301
302
302
304
305
307
307
308
308
309
310
311
311
310

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

Generated: 16/11/25 15:50:28. Forecast: 16/11/25 to 22/11/25. Timezone: UTC-5.00