Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 8

Waning Gibbous 62%

23:03

10:49

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
20 Bad

Sun - Rise: 07:40, Set: 16:39, Transit: 12:10. Moon - Rise: 23:03, Set: 10:49. Civil Dark: 17:12 - 07:07. Nautical Dark: 17:49 - 06:30. Astro Dark: 18:25 - 05:55

Total Clouds (% Sky Obscured)

100
92
100
100
100
98
100
100
100
100
100
100
100
100
100
100
100
98
99
97
95
100
66
100

Low Clouds (% Sky Obscured)

83
61
53
43
59
47
38
39
40
30
19
17
53
85
90
100
100
93
97
89
86
98
61
100

Medium Clouds (% Sky Obscured)

2
3
47
85
96
93
100
100
100
100
100
95
100
100
93
69
91
40
31
87
28
40
32
14

High Clouds (% Sky Obscured)

76
78
78
100
100
72
64
100
100
100
100
100
55
45
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

2
7
7
6
6
9
6
9
9
9
9
9
8
0
0
0
1
1
1
1
0
1
9
9

Fog (%)

0
0
2
2
11
1
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
Snow
None
None
Frozen rai
Frozen rai
Light Rain
Light Rain
None
None
None
None
Light Rain
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
3
43
49
51
95
95
95
95
46
42
20
43
95
78
64
32
11

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.1
0
0
0.8
1.5
1.6
1
0
0
0
0
1.2
0.5
0.3
0
0

Wind Speed/Direction (mph)

5
6
6
5
6
6
7
8
7
7
9
9
9
9
8
8
8
8
8
8
8
13
15
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
96
98
96
98
98
96
92
96
94
92
94
98
100
100
100
100
98
100
98
100
89
85

Pressure (mb)

1023
1022
1022
1022
1021
1021
1020
1018
1017
1017
1015
1014
1013
1012
1011
1009
1007
1006
1005
1004
1003
1001
1002
1004

Ozone (du)

335
337
340
339
336
332
327
321
314
313
312
310
304
301
296
295
292
288
289
292
305
321
329
333

Friday 9

Waning Gibbous 52%

00:10

11:06

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 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 07:40, Set: 16:40, Transit: 12:10. Moon - Rise: 00:10, Set: 11:06. Civil Dark: 17:13 - 07:07. Nautical Dark: 17:50 - 06:30. Astro Dark: 18:26 - 05:54

Total Clouds (% Sky Obscured)

95
98
38
39
44
97
98
88
87
95
57
84
100
100
100
100
70
95
98
100
100
100
100
100

Low Clouds (% Sky Obscured)

92
95
38
39
44
83
82
63
69
68
57
68
67
59
59
56
20
36
36
0
10
35
51
51

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
19
44
69
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
60
65
55
51
73
57
81
100
100
100
100
70
80
80
75
61
28
46
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
1
1
1
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
Snow
Snow
Snow
Sleet

Precipitation Probability (%)

6
1
0
0
0
0
3
0
0
0
0
0
0
0
0
0
0
0
0
20
45
58
54
84

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.2
0.3

Wind Speed/Direction (mph)

17
19
19
16
13
12
8
6
4
4
4
3
3
2
4
5
6
6
8
9
10
10
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
79
76
74
78
80
83
89
94
94
94
94
89
83
80
80
78
83
84
86
89
92
92
92

Pressure (mb)

1006
1009
1012
1015
1017
1019
1021
1022
1023
1024
1024
1024
1024
1025
1025
1024
1023
1022
1021
1019
1019
1018
1017
1016

Ozone (du)

333
331
322
314
308
307
304
303
303
301
299
297
295
295
294
293
291
293
292
291
293
293
296
296

Saturday 10

Third Quarter 42%

01:16

11:24

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
20 Bad

Sun - Rise: 07:40, Set: 16:41, Transit: 12:11. Moon - Rise: 01:16, Set: 11:24. Civil Dark: 17:15 - 07:06. Nautical Dark: 17:51 - 06:30. Astro Dark: 18:27 - 05:54

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
97
96
95
94
96
84
100
92
88

Low Clouds (% Sky Obscured)

50
75
99
100
100
100
100
93
98
100
100
100
99
85
84
85
88
88
89
86
75
81
77
76

Medium Clouds (% Sky Obscured)

100
100
100
100
74
47
37
70
75
45
1
15
15
99
69
89
85
83
52
63
73
100
62
42

High Clouds (% Sky Obscured)

57
55
100
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)

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

Fog (%)

0
0
0
0
0
1
5
10
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
Snow
Snow
Snow
None

Precipitation Probability (%)

95
95
95
95
95
77
52
67
61
47
30
25
18
23
30
22
43
43
39
46
76
91
49
29

Precipitation Amount (mm)

1.9
1.9
1.1
1.1
1.1
0.3
0.2
0.4
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.1
0

Wind Speed/Direction (mph)

14
14
14
14
11
10
9
7
5
4
5
7
7
8
10
11
11
9
8
7
6
6
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
96
96
96
96
96
98
98
100
100
98
89
94
96
96
94
96
92
89
91
96
92
89

Pressure (mb)

1014
1012
1011
1009
1008
1007
1007
1006
1005
1005
1005
1005
1005
1005
1004
1003
1002
1002
1002
1002
1002
1002
1002
1003

Ozone (du)

300
301
308
312
318
329
332
331
337
341
343
349
360
384
411
437
449
447
442
452
466
470
460
457

Sunday 11

Waning Crescent 33%

02:23

11:46

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

Sun - Rise: 07:39, Set: 16:43, Transit: 12:11. Moon - Rise: 02:23, Set: 11:46. Civil Dark: 17:16 - 07:06. Nautical Dark: 17:53 - 06:29. Astro Dark: 18:28 - 05:54

Total Clouds (% Sky Obscured)

79
83
82
82
52
74
73
81
61
53
45
35
31
81
90
96
95
95
95
96
98
100
98
96

Low Clouds (% Sky Obscured)

77
82
79
79
50
72
73
62
17
3
3
3
3
18
30
77
80
87
89
81
86
83
79
79

Medium Clouds (% Sky Obscured)

5
23
29
5
2
1
0
16
20
25
23
12
14
16
90
37
70
81
80
86
93
100
97
94

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
27
56
53
45
27
1
5
5
0
0
5
5
17
40
40
40
40

ISS Passover

Visibility (miles)

9
9
9
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
5
2
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
None
None
None
None
None
None
None
None
None
Snow
Snow
None
Snow

Precipitation Probability (%)

17
16
12
9
4
2
0
2
1
0
0
0
0
8
15
21
28
33
35
28
42
40
31
53

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-5
-6
-7
-8
-9
-9
-10
-10
-11
-12
-12
-12
-12
-11
-9
-8
-7
-6
-5
-4
-4
-3
-3
-2

Feels Like (°C)

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

Dew Point (°C)

-7
-9
-10
-11
-12
-12
-13
-13
-14
-15
-15
-15
-14
-14
-13
-12
-10
-9
-6
-6
-5
-4
-4
-3

Relative Humidity (%)

82
82
80
80
78
78
78
80
81
78
78
79
80
75
75
74
77
79
87
89
91
96
92
92

Pressure (mb)

1004
1005
1007
1008
1009
1010
1012
1013
1014
1015
1016
1017
1017
1017
1017
1016
1015
1014
1013
1012
1012
1011
1011
1011

Ozone (du)

457
452
456
453
424
379
369
364
360
362
360
357
355
355
354
351
353
352
346
346
344
344
343
348

Monday 12

Waning Crescent 24%

03:30

12:13

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
20 Bad

Sun - Rise: 07:39, Set: 16:44, Transit: 12:11. Moon - Rise: 03:30, Set: 12:13. Civil Dark: 17:17 - 07:06. Nautical Dark: 17:54 - 06:29. Astro Dark: 18:29 - 05:53

Total Clouds (% Sky Obscured)

95
95
94
93
95
97
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

79
81
84
87
91
96
97
100
99
100
100
100
100
98
95
93
80
68
55
37
18
0
17
34

Medium Clouds (% Sky Obscured)

93
86
82
75
6
17
69
89
89
89
86
82
80
76
71
67
76
88
99
99
100
100
100
100

High Clouds (% Sky Obscured)

35
14
1
0
0
2
3
36
66
79
83
81
76
81
90
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

0
0
0
0
0
3
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
5

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

Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

60
51
42
40
28
12
10
8
7
5
10
8
2
4
5
4
10
12
11
15
17
16
40
53

Precipitation Amount (mm)

0.3
0.2
0.1
0.2
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
10
10
9
9
8
8
7
6
6
7
8
8
9
9
9
9
9
9
9
9
10
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
94
92
91
87
89
89
91
91
92
91
91
92
92
94
93
93
93
89
88
86
89

Pressure (mb)

1011
1011
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1010
1009
1008
1007
1006
1005
1005
1004
1003

Ozone (du)

345
349
350
347
345
345
338
342
349
351
342
343
344
345
346
348
349
348
347
346
349
352
355
357

Tuesday 13

Waning Crescent 16%

04:35

12:47

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
20 Bad

Sun - Rise: 07:38, Set: 16:45, Transit: 12:12. Moon - Rise: 04:35, Set: 12:47. Civil Dark: 17:18 - 07:05. Nautical Dark: 17:55 - 06:29. Astro Dark: 18:30 - 05:53

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
99
99
97
95
94
93
96
99
95
95
90
90
85
85
64
52

Low Clouds (% Sky Obscured)

51
67
84
100
100
99
99
96
91
87
81
75
68
54
39
25
17
8
0
0
0
10
17
17

Medium Clouds (% Sky Obscured)

100
100
100
100
99
97
94
88
83
78
59
37
18
10
7
3
9
11
15
10
10
13
10
9

High Clouds (% Sky Obscured)

100
100
100
100
84
57
76
51
27
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

3
0
0
0
0
0
0
0
3
6
9
6
3
0
2
4
6
4
2
0
3
6
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
Sleet
Snow
Snow
Snow
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

62
62
61
60
59
62
67
71
71
66
56
47
38
34
30
23
24
24
23
27
29
29
26
20

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

1
1
1
1
1
1
1
1
1
1
1
-1
-2
-3
-5
-7
-9
-10
-11
-12
-12
-13
-13
-14

Feels Like (°C)

-4
-5
-4
-4
-4
-5
-5
-5
-5
-5
-5
-6
-6
-7
-6
-6
-5
-15
-15
-16
-16
-17
-17
-20

Dew Point (°C)

0
1
1
1
1
1
1
1
0
0
-1
-2
-3
-3
-6
-9
-12
-13
-13
-14
-15
-16
-18
-18

Relative Humidity (%)

93
96
98
98
98
98
98
98
96
94
92
94
94
96
90
84
78
78
80
80
76
73
70
70

Pressure (mb)

1002
1002
1001
1001
1000
1000
1000
1000
1000
1001
1002
1004
1005
1007
1009
1010
1012
1013
1015
1016
1018
1019
1021
1021

Ozone (du)

359
362
364
366
368
369
370
371
374
378
381
386
391
396
394
392
390
388
387
385
380
375
370
370

Wednesday 14

Waning Crescent 10%

05:36

13:30

21 OK
22 Bad
23 OK
00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 OK
08 OK
09 OK
10 OK
11 OK
12 Good

Sun - Rise: 07:38, Set: 16:46, Transit: 12:12. Moon - Rise: 05:36, Set: 13:30. Civil Dark: 17:19 - 07:05. Nautical Dark: 17:56 - 06:28. Astro Dark: 18:31 - 05:53

Total Clouds (% Sky Obscured)

41
31
18
5
5
4
4
3
2
3
8
10
8
6
6
6

Low Clouds (% Sky Obscured)

12
7
4
1
0
0
0
0
0
0
1
1
1
1
1
2

Medium Clouds (% Sky Obscured)

9
9
5
1
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
1
1
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

2
2
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-15
-16
-16
-17
-17
-17
-18
-18
-18
-19
-19
-18
-18
-17
-16
-15

Feels Like (°C)

-20
-20
-20
-20
-20
-22
-22
-22
-22
-22
-22
-22
-22
-21
-21
-21

Dew Point (°C)

-19
-20
-21
-21
-22
-22
-22
-22
-23
-23
-23
-23
-22
-22
-21
-19

Relative Humidity (%)

68
68
67
68
67
68
68
69
69
69
69
68
67
67
66
66

Pressure (mb)

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

Ozone (du)

370
370
373
375
378
378
379
380
383
385
388
399
410
421
419
416

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

Generated: 08/01/26 20:47:58. Forecast: 08/01/26 to 14/01/26. Timezone: UTC-5.00