Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 24

Waxing Crescent 27%

11:49

No Set

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
18 Bad
19 Bad

Sun - Rise: 07:16, Set: 16:23, Transit: 11:50. Moon - Rise: 11:49, Set: No Set. Civil Dark: 16:56 - 06:43. Nautical Dark: 17:33 - 06:06. Astro Dark: 18:08 - 05:31

Total Clouds (% Sky Obscured)

84
86
84
95
100
100
100
100
100
100
98
96
81
87
100
82
100
100
100
99
100
100
100
100

Low Clouds (% Sky Obscured)

57
7
18
29
27
27
29
37
26
32
39
34
5
5
0
1
9
10
1
1
8
2
56
84

Medium Clouds (% Sky Obscured)

84
82
44
76
49
100
100
100
100
98
94
91
81
85
83
60
48
43
48
42
53
91
100
100

High Clouds (% Sky Obscured)

6
12
84
29
99
96
100
100
86
100
60
65
65
68
100
63
100
100
100
90
100
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
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 (%)

8
10
3
3
1
2
12
14
7
0
0
1
0
0
0
0
0
0
0
1
3
10
33
46

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
93
94
94
96
96
96
98
96
96
98
96
98
96
94
91
86
86
88
91
91
94
94
94

Pressure (mb)

1021
1021
1021
1020
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1018
1018
1017
1016
1016
1015
1015
1015
1014
1014

Ozone (du)

296
294
292
290
290
290
293
301
306
307
309
308
311
312
311
308
300
297
297
295
295
295
294
295

Tuesday 25

Waxing Crescent 36%

12:15

20:53

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
18 Bad
19 Bad

Sun - Rise: 07:17, Set: 16:23, Transit: 11:50. Moon - Rise: 12:15, Set: 20:53. Civil Dark: 16:56 - 06:44. Nautical Dark: 17:33 - 06:07. Astro Dark: 18:08 - 05:32

Total Clouds (% Sky Obscured)

100
99
100
100
100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

84
91
99
100
100
100
100
100
100
100
100
100
100
98
100
100
100
100
100
100
100
100
100
98

Medium Clouds (% Sky Obscured)

100
95
92
92
80
76
89
96
100
79
94
43
81
55
43
63
55
57
87
100
88
63
100
96

High Clouds (% Sky Obscured)

100
0
3
0
5
26
37
26
3
0
0
0
0
4
2
53
91
100
100
100
75
6
45
0

ISS Passover

Visibility (miles)

9
9
9
9
9
3
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
5
9
31
35
0

Precipitation Type

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

Precipitation Probability (%)

49
64
61
61
50
48
50
54
62
62
59
68
60
83
48
15
5
0
3
35
45
95
95
95

Precipitation Amount (mm)

0
0.3
0.3
0.2
0
0
0.2
0.3
0.3
0.3
0
0.3
0
0.7
0
0
0
0
0
0
0
1.1
1.2
1.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
3
3
3
4

Feels Like (°C)

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

Dew Point (°C)

1
1
1
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
3
2
3
3
3

Relative Humidity (%)

96
96
96
98
98
98
98
98
98
100
100
98
98
98
98
98
98
100
100
100
98
100
100
93

Pressure (mb)

1014
1013
1012
1012
1011
1010
1010
1009
1009
1008
1008
1007
1007
1007
1007
1006
1005
1004
1003
1002
1002
1001
1000
1000

Ozone (du)

293
294
293
292
293
295
299
298
295
294
294
295
295
297
299
302
305
305
307
311
313
314
314
319

Wednesday 26

Waxing Crescent 47%

12:36

22:05

20 Bad
21 Bad
22 Bad
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
18 Bad
19 Bad

Sun - Rise: 07:18, Set: 16:22, Transit: 11:50. Moon - Rise: 12:36, Set: 22:05. Civil Dark: 16:55 - 06:45. Nautical Dark: 17:32 - 06:08. Astro Dark: 18:08 - 05:33

Total Clouds (% Sky Obscured)

92
86
29
26
38
37
68
94
93
97
95
99
95
88
92
81
99
99
98
98
96
93
89
90

Low Clouds (% Sky Obscured)

66
67
26
16
30
7
46
67
82
93
85
82
87
87
83
70
81
85
86
90
86
83
78
83

Medium Clouds (% Sky Obscured)

40
50
0
21
38
37
60
77
37
63
75
73
67
74
85
80
93
91
68
81
73
83
78
78

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
8
9
9
9
9
9
8
3
4
1
0
7

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
Snow
None
None
None
None

Precipitation Probability (%)

71
17
20
1
2
2
4
3
10
6
14
23
21
18
26
18
17
27
33
40
43
45
33
24

Precipitation Amount (mm)

0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0
0
0
0

Wind Speed/Direction (mph)

10
9
12
11
9
10
10
9
9
10
10
10
11
12
13
14
14
15
14
13
13
12
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
80
79
80
80
77
78
78
77
76
74
76
81
80
77
77
72
72
74
80
84
93
96
89

Pressure (mb)

1001
1001
1001
1001
1001
1001
1000
1000
1000
999
999
999
999
999
999
998
998
998
998
998
998
998
999
999

Ozone (du)

324
328
331
334
337
342
344
348
353
356
359
359
360
359
355
352
349
349
347
348
349
349
349
351

Thursday 27

Waxing Crescent 58%

12:56

23:17

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
18 Bad
19 Bad

Sun - Rise: 07:19, Set: 16:22, Transit: 11:51. Moon - Rise: 12:56, Set: 23:17. Civil Dark: 16:55 - 06:46. Nautical Dark: 17:32 - 06:09. Astro Dark: 18:07 - 05:34

Total Clouds (% Sky Obscured)

92
94
95
96
97
98
98
99
99
100
100
99
98
98
96
96
94
94
95
96
95
93
94
90

Low Clouds (% Sky Obscured)

84
90
90
89
89
89
89
91
91
92
92
87
82
89
92
91
90
90
90
86
80
78
72
69

Medium Clouds (% Sky Obscured)

78
78
81
90
93
94
96
97
98
99
100
99
98
98
96
95
92
85
82
77
78
65
51
50

High Clouds (% Sky Obscured)

0
0
0
0
2
16
30
25
20
14
8
10
17
14
2
0
0
0
5
22
38
15
20
16

ISS Passover

Visibility (miles)

2
1
0
0
0
0
1
0
0
0
1
5
5
6
3
3
1
1
1
2
2
2
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
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
Snow
Snow
Snow
Snow
None
None
None
None
None

Precipitation Probability (%)

29
32
37
41
41
40
42
43
45
39
37
27
32
33
27
38
45
40
37
30
29
13
7
4

Precipitation Amount (mm)

0
0
0
0.1
0.1
0.1
0.1
0.1
0.1
0
0
0
0
0
0
0.1
0.2
0.2
0.1
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
89
92
92
96
94
91
92
92
92
91
89
86
82
83
79
83
84
86
83
86
84
82
82

Pressure (mb)

999
999
999
999
999
998
999
999
999
999
1000
1000
1001
1002
1003
1003
1003
1004
1005
1006
1008
1009
1010
1012

Ozone (du)

356
364
376
382
383
382
380
376
371
368
364
359
352
351
353
354
355
354
351
348
347
344
342
340

Friday 28

First Quarter 69%

13:14

00:30

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
18 Bad
19 Bad

Sun - Rise: 07:21, Set: 16:21, Transit: 11:51. Moon - Rise: 13:14, Set: 00:30. Civil Dark: 16:55 - 06:47. Nautical Dark: 17:31 - 06:11. Astro Dark: 18:07 - 05:35

Total Clouds (% Sky Obscured)

99
100
99
99
98
94
90
89
85
80
79
75
71
68
73
79
87
87
85
80
68
63
64
63

Low Clouds (% Sky Obscured)

70
72
70
68
66
69
72
76
72
71
68
67
66
65
65
64
64
63
62
60
64
63
64
63

Medium Clouds (% Sky Obscured)

93
99
98
98
97
88
79
70
63
6
4
3
1
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

49
39
12
4
1
1
2
1
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 (%)

6
2
1
1
1
1
2
1
2
3
2
4
3
1
2
3
3
5
5
3
4
3
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
14
14
13
13
12
12
12
12
11
11
11
11
11
11
10
10
10
9
9
8
7
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-9
-10
-10
-10
-10
-10
-10
-10
-10
-10
-10
-11
-11
-11
-11
-11
-11
-11
-9
-8
-8
-8
-8
-8

Dew Point (°C)

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

Relative Humidity (%)

79
81
79
79
79
79
78
77
79
79
80
80
77
74
72
68
66
63
65
69
72
75
78
79

Pressure (mb)

1013
1014
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1026
1026
1026
1027
1028
1028
1029
1030
1031

Ozone (du)

342
344
345
351
352
356
360
363
368
369
366
363
363
363
362
360
358
356
353
351
349
348
348
348

Saturday 29

Waxing Gibbous 65%

13:33

01:45

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

Sun - Rise: 07:22, Set: 16:21, Transit: 11:51. Moon - Rise: 13:33, Set: 01:45. Civil Dark: 16:54 - 06:48. Nautical Dark: 17:31 - 06:12. Astro Dark: 18:07 - 05:36

Total Clouds (% Sky Obscured)

62
58
50
41
33
52
72
76
67
63
59
58
57
47
35
39
47
67
83
100
100
99
99
98

Low Clouds (% Sky Obscured)

62
58
43
25
8
5
3
1
1
0
0
17
35
47
35
39
47
67
83
84
83
81
82
84

Medium Clouds (% Sky Obscured)

0
0
7
13
20
39
52
56
41
32
23
22
16
15
12
13
19
49
75
88
87
79
71
64

High Clouds (% Sky Obscured)

0
0
1
1
2
16
18
73
67
63
59
57
33
28
26
30
20
15
12
10
10
10
20
65

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
6
3
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
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
18
27
35
40
42
43
47
52
57
62

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0.1
0.1
0.2
0.2
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-8
-8
-8
-8
-9
-9
-9
-9
-9
-9
-10
-10
-10
-11
-11
-11
-11
-11
-10
-10
-9
-8
-6
-4

Relative Humidity (%)

81
79
80
82
82
84
82
84
82
82
80
80
73
65
59
56
54
51
54
57
59
69
81
94

Pressure (mb)

1032
1032
1033
1033
1034
1034
1035
1035
1035
1035
1035
1036
1036
1036
1036
1035
1034
1034
1033
1033
1032
1032
1032
1031

Ozone (du)

348
348
348
348
347
346
347
347
348
347
346
346
344
341
339
338
336
334
333
332
331
331
330
330

Sunday 30

Waxing Gibbous 79%

13:54

03:03

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: 07:23, Set: 16:21, Transit: 11:52. Moon - Rise: 13:54, Set: 03:03. Civil Dark: 16:54 - 06:50. Nautical Dark: 17:31 - 06:13. Astro Dark: 18:07 - 05:37

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

84
84
84
86
87
90
95
100
92
83
77
78
79
78
75
73
72

Medium Clouds (% Sky Obscured)

60
65
67
61
60
54
44
35
45
67
91
87
92
96
98
99
99

High Clouds (% Sky Obscured)

90
97
98
98
97
96
93
88
92
96
99
99
98
100
100
100
100

ISS Passover

Visibility (miles)

1
1
2
2
1
1
4
7
9
9
9
9
9
9
8
9
9

Fog (%)

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

Precipitation Type

Snow
Snow
Sleet
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

65
67
67
69
72
60
44
22
25
29
32
44
51
57
57
52
37

Precipitation Amount (mm)

0.3
0.4
0.3
0.3
0.4
0.3
0.1
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
7
7
8
9
10
10
10
9
10
9
10
10
10
11
11
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-9
-8
-8
-7
-7
-7
-6
-6
-6
-6
-5
-5
-3
-3
-3
-3
-3

Dew Point (°C)

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

Relative Humidity (%)

89
86
84
86
86
87
81
77
73
71
72
72
74
76
80
83
85

Pressure (mb)

1031
1030
1029
1029
1028
1028
1027
1027
1026
1026
1025
1025
1024
1024
1024
1023
1022

Ozone (du)

328
327
326
325
325
325
324
324
324
323
322
321
321
321
321
320
320

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

Generated: 24/11/25 20:09:50. Forecast: 24/11/25 to 30/11/25. Timezone: UTC-5.00