Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 14

Waning Crescent 19%

02:20

14:23

18 Bad
19 Bad
20 Bad
21 OK
22 OK
23 OK
00 OK
01 OK
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

Sun - Rise: 07:03, Set: 16:31, Transit: 11:47. Moon - Rise: 02:20, Set: 14:23. Civil Dark: 17:03 - 06:31. Nautical Dark: 17:39 - 05:55. Astro Dark: 18:15 - 05:20

Total Clouds (% Sky Obscured)

77
74
67
33
28
21
20
17
46
63
85
100
87
96
90
98
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

57
62
64
33
28
21
20
17
15
27
32
33
25
1
0
44
53
77
83
87
84
89
99
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
9
41
86
87
90
89
81
100
100
93
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
3
3
3
46
60
74
100
57
79
7
60
72
81
99
100
98
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
1
1
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
None
None
None
None
None
None
None
None
Ice pellet
Ice pellet
Frozen rai
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
8
22
22
36
61
91
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.9
1.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
92
91
91
91
91
91
91
91
89
89
91
91
89
84
83
80
80
81
86
92
96
98

Pressure (mb)

1017
1017
1017
1016
1016
1016
1016
1015
1015
1015
1014
1014
1013
1013
1012
1011
1010
1009
1007
1005
1003
1002
1000
998

Ozone (du)

322
324
322
315
312
309
306
304
302
302
301
301
300
301
302
299
299
298
296
298
301
301
299
296

Saturday 15

Waning Crescent 12%

03:25

14:39

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
16 Bad
17 Bad

Sun - Rise: 07:04, Set: 16:30, Transit: 11:47. Moon - Rise: 03:25, Set: 14:39. Civil Dark: 17:03 - 06:32. Nautical Dark: 17:39 - 05:56. Astro Dark: 18:14 - 05:21

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
98
95
98
99
100
99
93
94
94
94
89
91
92
95
98
97

Low Clouds (% Sky Obscured)

100
100
100
100
99
100
100
100
83
79
82
75
76
73
61
77
80
78
75
83
79
83
80
77

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
38
39
39
48
59
71
75
94
84
80
72
84
85
85
85
61
92
88

High Clouds (% Sky Obscured)

100
100
100
100
100
100
55
47
50
45
2
2
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
1
1
3
4
0
2
5
0
0
1
3
8
5
9
8
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
Frozen rai
Frozen rai
Frozen rai
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
53
37
28
31
45
43
28
30
27
33
28
25
17
15
24
10
9
7

Precipitation Amount (mm)

2.3
2.5
2.2
1.3
1
0.8
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
8
9
8
7
5
3
3
3
5
6
8
10
11
12
14
15
15
15
16
15
15
14
14

Chance of Frost

Temperature (°C)

-1
-1
-1
-1
-1
-1
-0
-0
-0
0
1
1
1
1
1
1
1
1
1
1
1
1
-0
-1

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
98
98
98
98
98
98
98
96
98
98
98
98
96
91
89
86
86
83
83
83

Pressure (mb)

997
995
993
991
990
989
988
988
988
988
988
988
989
989
990
990
990
991
991
991
992
993
993
994

Ozone (du)

295
295
298
299
301
299
305
307
309
309
310
309
304
309
318
322
324
324
326
328
326
332
330
336

Sunday 16

Waning Crescent 6%

04:31

14:56

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
16 Bad
17 Bad

Sun - Rise: 07:05, Set: 16:30, Transit: 11:47. Moon - Rise: 04:31, Set: 14:56. Civil Dark: 17:02 - 06:33. Nautical Dark: 17:38 - 05:57. Astro Dark: 18:14 - 05:22

Total Clouds (% Sky Obscured)

99
99
99
99
100
100
99
99
99
94
89
90
88
80
78
84
90
89
86
77
70
66
66
70

Low Clouds (% Sky Obscured)

76
75
75
75
73
55
72
72
73
81
72
71
71
70
71
75
78
75
74
69
67
66
66
65

Medium Clouds (% Sky Obscured)

96
94
94
97
100
100
96
97
95
59
41
44
44
27
22
24
24
42
41
30
14
1
4
7

High Clouds (% Sky Obscured)

0
0
0
0
0
3
3
2
2
4
7
3
2
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
4
2
2
2
4
8
9
9
9
9
9
7
8
9
9
9
8
7
7
8
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 (%)

20
10
27
31
28
18
11
2
4
2
5
4
5
8
7
6
6
20
5
3
23
3
4
5

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
87
89
89
89
87
87
87
86
87
86
87
87
87
87
87
87
86
84
86
84
84
86
86

Pressure (mb)

995
995
996
996
996
996
997
997
998
999
999
1000
1000
1001
1002
1003
1003
1004
1004
1005
1005
1006
1007
1008

Ozone (du)

337
337
335
336
334
332
333
336
338
340
338
336
336
336
340
344
349
355
357
357
357
355
356
357

Monday 17

Waning Crescent 3%

05:36

15:16

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
16 Bad
17 Bad

Sun - Rise: 07:07, Set: 16:29, Transit: 11:48. Moon - Rise: 05:36, Set: 15:16. Civil Dark: 17:01 - 06:34. Nautical Dark: 17:37 - 05:58. Astro Dark: 18:13 - 05:23

Total Clouds (% Sky Obscured)

70
64
65
62
64
63
73
79
78
69
66
62
47
51
52
53
71
82
91
87
84
82
76
68

Low Clouds (% Sky Obscured)

64
59
61
62
63
63
73
79
76
64
61
61
47
49
50
51
71
80
88
81
75
70
71
68

Medium Clouds (% Sky Obscured)

9
7
5
2
0
0
0
1
2
2
2
1
0
0
0
0
0
0
0
3
3
3
3
4

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
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 (%)

2
1
0
2
0
1
0
0
0
0
0
1
0
0
0
0
0
1
1
1
4
7
6
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
87
89
87
89
89
86
86
89
92
91
91
92
92
91
86
86
86
84
83
86
89
96

Pressure (mb)

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

Ozone (du)

358
358
358
357
354
350
349
347
340
331
330
333
334
332
334
336
335
335
334
334
334
335
337
332

Tuesday 18

Waning Crescent 1%

06:43

15:41

18 Bad
19 OK
20 OK
21 OK
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
16 Bad
17 Bad

Sun - Rise: 07:08, Set: 16:28, Transit: 11:48. Moon - Rise: 06:43, Set: 15:41. Civil Dark: 17:00 - 06:36. Nautical Dark: 17:36 - 05:59. Astro Dark: 18:12 - 05:24

Total Clouds (% Sky Obscured)

53
43
35
25
55
55
50
92
86
82
76
72
72
78
84
91
93
94
96
88
80
77
82
84

Low Clouds (% Sky Obscured)

53
43
35
25
24
15
0
76
72
68
68
68
69
76
83
90
92
94
96
87
77
68
69
71

Medium Clouds (% Sky Obscured)

4
4
2
0
0
0
0
1
0
0
0
0
1
0
0
0
0
0
0
0
0
0
1
2

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
7
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
1
8
10
11
10
7
1
4
4

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
96
96
91
92
92
91
91
91
92
92
89
86
81
83
83
83
84
86
88
89

Pressure (mb)

1018
1019
1019
1020
1020
1021
1021
1022
1020
1021
1022
1022
1023
1023
1024
1024
1025
1025
1025
1025
1025
1026
1026
1026

Ozone (du)

331
332
334
334
330
329
328
329
330
331
332
333
333
333
334
334
335
333
331
329
325
321
317
314

Wednesday 19

Waning Crescent 0%

07:49

16:12

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
16 Bad
17 Bad

Sun - Rise: 07:09, Set: 16:27, Transit: 11:48. Moon - Rise: 07:49, Set: 16:12. Civil Dark: 16:59 - 06:37. Nautical Dark: 17:36 - 06:01. Astro Dark: 18:12 - 05:25

Total Clouds (% Sky Obscured)

86
90
95
97
98
98
98
99
99
100
97
93
87
86
86
86
77
68
57
62
68
69
76
91

Low Clouds (% Sky Obscured)

72
76
80
84
85
87
90
89
89
86
74
66
57
55
54
51
51
44
32
23
14
13
14
14

Medium Clouds (% Sky Obscured)

4
6
7
8
18
26
32
35
41
45
17
7
6
7
16
35
35
29
35
26
16
10
23
31

High Clouds (% Sky Obscured)

2
2
2
1
2
0
0
31
62
93
62
34
23
38
73
84
73
57
51
61
68
69
76
91

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
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 (%)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-1
-0
-1
-0
-0
0
0
-1

Relative Humidity (%)

91
92
92
92
92
92
94
94
94
94
94
96
96
96
94
91
89
88
83
82
85
89
93
94

Pressure (mb)

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

Ozone (du)

312
309
308
308
307
306
305
304
302
300
298
297
297
296
294
293
291
289
286
283
282
280
279
282

Thursday 20

New Moon 2%

08:53

16:51

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: 07:11, Set: 16:26, Transit: 11:48. Moon - Rise: 08:53, Set: 16:51. Civil Dark: 16:59 - 06:38. Nautical Dark: 17:35 - 06:02. Astro Dark: 18:11 - 05:27

Total Clouds (% Sky Obscured)

97
98
99
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

15
39
63
87
83
82
81
80
83
87
91
96
100

Medium Clouds (% Sky Obscured)

43
49
57
63
60
54
46
62
82
100
100
100
100

High Clouds (% Sky Obscured)

96
94
84
64
68
83
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

3
1
2
4
6
7
8
9
6
3
0
0
0

Fog (%)

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

Precipitation Type

None
None
None
None
None
None
None
Light Rain
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
1
4
9
20
29
77
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.4
0.8
1.5
1.3
1
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-1
-1
-1
-1
-1
-1
-2
-2
-1
-1
-1
-1
-1

Feels Like (°C)

-1
-1
-4
-5
-5
-5
-5
-5
-6
-6
-6
-5
-6

Dew Point (°C)

-1
-1
-1
-1
-2
-2
-2
-2
-2
-2
-1
-1
-1

Relative Humidity (%)

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

Pressure (mb)

1022
1022
1021
1020
1019
1018
1017
1016
1015
1015
1014
1013
1012

Ozone (du)

284
287
288
289
289
290
292
293
292
292
291
291
291

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

Generated: 14/11/25 17:55:34. Forecast: 14/11/25 to 20/11/25. Timezone: UTC-5.00