Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 11

Waning Crescent 33%

02:14

11:16

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

Sun - Rise: 07:31, Set: 16:33, Transit: 12:02. Moon - Rise: 02:14, Set: 11:16. Civil Dark: 17:06 - 06:58. Nautical Dark: 17:43 - 06:21. Astro Dark: 18:18 - 05:45

Total Clouds (% Sky Obscured)

91
83
100
74
46
100
93
97
100
100
95
94
93
95
94
87
79
67
77
55
51
63
86
72

Low Clouds (% Sky Obscured)

75
59
61
59
46
100
88
88
81
78
83
84
84
83
73
69
66
67
73
55
23
11
1
3

Medium Clouds (% Sky Obscured)

67
83
100
69
0
75
87
91
100
100
85
77
79
85
69
70
68
2
5
6
40
63
85
72

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
9
9
9
9
9
6
5
2
0
9
9
9
1
0
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
4
13
20
22
22
20
30
27
12
12
10
28
13
6
4
6
6
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)

12
15
15
13
12
13
13
11
11
11
13
14
15
16
17
17
17
18
17
17
16
15
13
12

Chance of Frost

Temperature (°C)

3
2
1
1
1
1
1
0
-1
-1
-2
-4
-5
-6
-7
-8
-8
-9
-10
-10
-11
-11
-11
-11

Feels Like (°C)

-2
-3
-5
-4
-3
-3
-5
-5
-5
-7
-7
-9
-12
-13
-14
-14
-15
-15
-16
-17
-16
-16
-16
-16

Dew Point (°C)

-0
-1
-2
-2
-2
-3
-3
-3
-3
-3
-4
-5
-7
-9
-9
-11
-11
-12
-12
-13
-14
-14
-14
-14

Relative Humidity (%)

82
81
81
80
80
74
77
81
86
91
86
87
87
84
89
79
80
80
80
80
80
80
80
81

Pressure (mb)

1006
1006
1006
1004
1003
1003
1003
1002
1002
1002
1003
1004
1004
1005
1006
1007
1008
1010
1011
1012
1014
1014
1015
1015

Ozone (du)

354
369
387
406
421
429
431
440
452
460
463
458
460
453
458
460
404
367
359
359
359
366
365
366

Monday 12

Waning Crescent 24%

03:21

11:37

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

Sun - Rise: 07:30, Set: 16:34, Transit: 12:02. Moon - Rise: 03:21, Set: 11:37. Civil Dark: 17:07 - 06:57. Nautical Dark: 17:44 - 06:21. Astro Dark: 18:19 - 05:45

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

67
70
90
87
86
84
86
79
85
87
88
88
86
85
91
89
85
85
85
85
81
96
90
92

Medium Clouds (% Sky Obscured)

96
86
86
93
100
100
95
92
87
35
45
64
55
73
70
91
82
90
71
49
43
18
2
0

High Clouds (% Sky Obscured)

35
26
30
30
2
4
2
3
3
3
4
37
17
8
7
5
75
80
4
0
0
1
0
0

ISS Passover

Visibility (miles)

9
9
9
9
4
1
0
0
0
0
9
9
9
9
9
9
1
1
0
0
0
0
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
Snow
Snow
Snow
None
None
None
None
None
None
Snow
Snow
Snow
Snow
None
None
None
None
None
None

Precipitation Probability (%)

1
1
8
19
35
41
44
45
34
29
24
24
25
35
47
46
44
40
35
33
25
21
9
21

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

11
10
11
9
8
7
6
7
9
11
10
10
10
11
10
10
10
9
9
9
8
8
7
7

Chance of Frost

Temperature (°C)

-10
-9
-8
-6
-5
-4
-3
-3
-2
-2
-1
-1
-1
-1
-1
-1
-1
-1
-1
-0
-0
-0
-0
-1

Feels Like (°C)

-16
-15
-13
-11
-10
-9
-8
-7
-7
-6
-6
-6
-6
-6
-6
-6
-5
-5
-5
-4
-4
-4
-4
-4

Dew Point (°C)

-13
-12
-11
-9
-7
-6
-4
-3
-3
-2
-3
-3
-3
-3
-3
-3
-2
-2
-1
-1
-1
-1
-1
-1

Relative Humidity (%)

80
78
80
80
85
90
96
96
96
94
91
89
87
89
87
89
92
92
94
96
96
96
96
96

Pressure (mb)

1016
1016
1016
1015
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1013

Ozone (du)

362
354
351
345
343
342
347
353
352
341
339
337
340
339
342
339
344
349
357
355
349
361
357
353

Tuesday 13

Waning Crescent 16%

04:26

12:04

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

Sun - Rise: 07:30, Set: 16:35, Transit: 12:03. Moon - Rise: 04:26, Set: 12:04. Civil Dark: 17:08 - 06:57. Nautical Dark: 17:45 - 06:20. Astro Dark: 18:20 - 05:45

Total Clouds (% Sky Obscured)

97
86
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

96
84
100
96
99
100
93
72
22
4
27
91
77
86
100
97
98
99
100
97
94
91
94
97

Medium Clouds (% Sky Obscured)

0
0
0
6
100
100
100
100
75
55
100
100
100
100
100
99
100
100
100
100
100
100
90
80

High Clouds (% Sky Obscured)

0
0
1
55
100
100
100
87
91
100
100
100
100
100
100
91
94
97
100
100
100
100
100
100

ISS Passover

Visibility (miles)

1
1
0
0
0
1
9
9
9
9
9
9
9
9
9
6
9
9
0
0
1
1
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
Snow
Snow
None
None
None
None
None
None
None
None
Snow
None
Sleet
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

23
26
31
31
21
20
9
2
2
2
6
47
52
29
77
90
63
90
93
84
69
89
82
77

Precipitation Amount (mm)

0
0
0.1
0.2
0
0
0
0
0
0
0
0
0.2
0
0.5
0.6
0.2
0.6
0.6
0.5
0.3
0.6
0.6
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
2

Feels Like (°C)

-4
-4
-3
-3
-3
-3
-3
-3
-3
-4
-4
-4
-4
-4
-4
-4
-4
-3
-4
-3
-4
-3
-4
-3

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
98
98
98
94
93
93
91
91
91
89
86
88
91
84
89
98
96
96
94
96
98

Pressure (mb)

1013
1013
1013
1012
1011
1011
1010
1010
1009
1008
1007
1006
1005
1004
1003
1002
1001
1001
1000
999
999
999
999
999

Ozone (du)

352
350
350
352
355
354
357
354
352
353
356
360
361
364
365
365
365
364
362
365
368
372
373
372

Wednesday 14

Waning Crescent 15%

05:28

12:38

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

Sun - Rise: 07:29, Set: 16:36, Transit: 12:03. Moon - Rise: 05:28, Set: 12:38. Civil Dark: 17:09 - 06:56. Nautical Dark: 17:46 - 06:20. Astro Dark: 18:22 - 05:44

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
95

Low Clouds (% Sky Obscured)

100
99
99
98
99
100
100
100
99
99
98
96
96
96
96
97
96
96
97
98
99
100
95
90

Medium Clouds (% Sky Obscured)

73
82
91
100
100
100
44
47
39
100
100
100
100
100
100
100
100
100
100
99
87
79
78
72

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
89
83
55
28
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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
Snow
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

72
76
91
95
95
70
57
53
54
45
35
29
40
60
79
75
74
60
56
56
56
62
56
50

Precipitation Amount (mm)

0.5
0.5
0.8
1
0.9
0.5
0.3
0.2
0.3
0
0
0
0
0.2
0.6
0.4
0.4
0.2
0.2
0.2
0.2
0.3
0.2
0.2

Wind Speed/Direction (mph)

9
9
8
8
7
7
6
6
6
6
7
7
6
5
6
7
7
7
7
7
8
9
9
10

Chance of Frost

Temperature (°C)

2
2
2
2
3
3
2
2
2
2
2
2
2
2
1
-1
-2
-3
-4
-4
-5
-5
-6
-7

Feels Like (°C)

-3
-2
-2
-2
-2
-1
-1
-1
-1
-2
-2
-2
-2
-2
-3
-7
-7
-9
-9
-10
-10
-11
-11
-12

Dew Point (°C)

2
2
2
2
2
3
2
2
2
2
2
2
2
1
1
-2
-3
-4
-5
-6
-7
-8
-10
-11

Relative Humidity (%)

98
100
100
100
98
100
100
100
100
98
100
98
98
98
98
92
92
91
89
85
84
77
73
70

Pressure (mb)

1000
1000
1000
1000
1000
1000
1001
1001
1002
1002
1002
1002
1002
1002
1003
1003
1003
1004
1004
1004
1004
1005
1005
1006

Ozone (du)

370
375
380
377
377
380
381
384
388
389
390
389
389
389
391
392
397
402
402
402
402
401
398
397

Thursday 15

Waning Crescent 10%

06:23

13:21

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

Sun - Rise: 07:29, Set: 16:38, Transit: 12:04. Moon - Rise: 06:23, Set: 13:21. Civil Dark: 17:11 - 06:56. Nautical Dark: 17:47 - 06:19. Astro Dark: 18:23 - 05:44

Total Clouds (% Sky Obscured)

86
51
52
98
98
93
58
37
26
32
26
19
12
10
8
6
6
6
15
13
9
3
2
1

Low Clouds (% Sky Obscured)

85
51
52
62
58
55
40
29
26
31
26
19
12
10
8
6
6
6
4
4
2
0
0
0

Medium Clouds (% Sky Obscured)

63
51
51
92
88
80
44
32
26
32
26
19
12
10
8
6
6
6
15
13
9
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
1
1
1
1
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
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

43
47
49
44
44
41
33
30
26
16
29
30
17
16
15
10
10
6
2
1
0
0
0
0

Precipitation Amount (mm)

0
0.1
0.1
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)

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

Chance of Frost

Temperature (°C)

-7
-8
-8
-8
-8
-8
-8
-8
-9
-9
-9
-10
-11
-11
-12
-12
-13
-12
-12
-12
-13
-13
-14
-14

Feels Like (°C)

-13
-13
-12
-12
-14
-14
-13
-13
-12
-13
-14
-14
-14
-15
-15
-14
-15
-17
-16
-16
-17
-17
-18
-18

Dew Point (°C)

-12
-13
-14
-13
-13
-13
-13
-12
-12
-12
-13
-13
-14
-15
-15
-16
-16
-16
-16
-16
-16
-17
-18
-18

Relative Humidity (%)

66
64
63
64
64
65
70
74
77
78
75
77
75
75
75
75
73
73
73
73
75
73
71
70

Pressure (mb)

1006
1007
1007
1007
1007
1007
1008
1009
1009
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1012
1013
1013
1014
1015

Ozone (du)

398
399
393
392
394
394
395
397
402
407
411
411
411
411
411
412
413
411
409
408
401
395
388
385

Friday 16

Waning Crescent 5%

07:08

14:14

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

Sun - Rise: 07:28, Set: 16:39, Transit: 12:04. Moon - Rise: 07:08, Set: 14:14. Civil Dark: 17:12 - 06:55. Nautical Dark: 17:48 - 06:19. Astro Dark: 18:24 - 05:43

Total Clouds (% Sky Obscured)

1
1
1
2
1
1
1
1
2
2
4
7
10
28
35
24
24
19
14
15
14
14
35
72

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
2
3
5
6
9
9
6
6
6
6
4
5
2
9
21

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
3
5
24
35
24
19
6
3
2
1
1
21
44

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-18
-18
-18
-18
-17
-13
-12
-12
-12
-12
-12
-13
-14
-14
-14
-14
-14
-15
-15
-15
-14
-14
-14
-15

Dew Point (°C)

-18
-18
-17
-16
-15
-14
-13
-12
-13
-13
-14
-14
-14
-14
-14
-14
-14
-14
-14
-14
-14
-14
-14
-14

Relative Humidity (%)

69
68
69
69
69
72
75
78
78
81
81
81
83
83
83
83
85
85
85
85
85
84
84
81

Pressure (mb)

1016
1017
1017
1017
1017
1017
1018
1019
1020
1020
1021
1022
1022
1022
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022

Ozone (du)

381
378
369
360
351
347
343
339
337
334
332
330
329
327
328
330
331
337
343
349
352
355
359
362

Saturday 17

Waning Crescent 1%

07:45

15:16

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
00 Bad

Sun - Rise: 07:27, Set: 16:40, Transit: 12:04. Moon - Rise: 07:45, Set: 15:16. Civil Dark: 17:13 - 06:55. Nautical Dark: 17:50 - 06:18. Astro Dark: 18:25 - 05:43

Total Clouds (% Sky Obscured)

92
77
83
100
100
100
100
100
100
100
99
98
98
97
95
93

Low Clouds (% Sky Obscured)

0
32
63
82
77
77
79
82
88
91
90
87
84
77
72
63

Medium Clouds (% Sky Obscured)

26
41
70
100
100
100
100
94
89
85
69
52
29
30
42
56

High Clouds (% Sky Obscured)

66
63
69
75
100
100
100
82
64
45
35
24
14
19
25
30

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
7
4
1
4
7
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 (%)

0
0
0
0
9
16
15
15
16
12
16
18
13
17
15
6

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
4
5
5
6
7
7
7
8
9
10
11
11
12
12
12

Chance of Frost

Temperature (°C)

-11
-10
-9
-8
-7
-7
-6
-6
-6
-6
-5
-5
-5
-5
-5
-5

Feels Like (°C)

-14
-14
-14
-13
-13
-10
-11
-11
-11
-11
-11
-10
-10
-10
-10
-11

Dew Point (°C)

-14
-14
-12
-11
-10
-9
-9
-8
-8
-7
-7
-7
-7
-7
-7
-7

Relative Humidity (%)

80
75
77
77
77
80
82
85
87
87
87
85
85
85
85
84

Pressure (mb)

1022
1022
1021
1019
1018
1017
1016
1015
1015
1014
1014
1013
1012
1011
1010
1009

Ozone (du)

365
368
367
367
367
366
366
365
372
379
386
388
391
393
396
399

Forecast for Le Vieux-Port, Montréal, Canada (45.50,-73.57)

Generated: 11/01/26 08:45:59. Forecast: 11/01/26 to 17/01/26. Timezone: UTC-5.00