Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 11

Waning Gibbous 48%

22:44

13:23

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

Sun - Rise: 06:50, Set: 16:26, Transit: 11:38. Moon - Rise: 22:44, Set: 13:23. Civil Dark: 16:58 - 06:18. Nautical Dark: 17:33 - 05:43. Astro Dark: 18:08 - 05:08

Total Clouds (% Sky Obscured)

73
76
69
66
29
27
56
80
100
100
99
100
97
96
96
98
99
98
99
98
97
97
99
97

Low Clouds (% Sky Obscured)

73
50
55
56
29
27
27
76
76
78
43
86
86
83
83
81
85
91
97
88
84
79
83
87

Medium Clouds (% Sky Obscured)

2
0
0
0
0
2
46
80
100
100
98
99
90
87
83
90
92
89
94
93
90
88
95
90

High Clouds (% Sky Obscured)

0
0
0
0
4
3
1
70
75
57
0
0
1
1
1
3
2
1
39
19
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
2
0
0
0
0
0
0
0
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
None
Sleet
Snow
Snow
Snow
Snow
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Snow

Precipitation Probability (%)

0
0
0
1
0
0
0
0
0
1
6
22
59
63
55
49
52
63
70
83
81
71
58
53

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.3
0.3
0.3
0.5
0.5
0.7
0.6
0.4
0.2
0.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
86
87
87
91
89
89
89
89
92
94
94
94
98
98
100
100
98
100
100
100
100
100
100

Pressure (mb)

1002
1003
1003
1003
1004
1004
1004
1004
1004
1004
1004
1004
1004
1004
1003
1003
1002
1002
1001
1001
1001
1001
1001
1002

Ozone (du)

384
384
366
367
369
374
372
362
359
360
358
356
351
345
341
343
343
336
328
324
319
317
317
316

Wednesday 12

Third Quarter 37%

23:56

13:42

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
18 Bad

Sun - Rise: 06:52, Set: 16:25, Transit: 11:38. Moon - Rise: 23:56, Set: 13:42. Civil Dark: 16:57 - 06:20. Nautical Dark: 17:33 - 05:44. Astro Dark: 18:07 - 05:09

Total Clouds (% Sky Obscured)

97
98
98
98
100
100
97
98
97
97
97
99
98
97
97
99
98
100
100
100
100
100
97
77

Low Clouds (% Sky Obscured)

92
92
91
92
98
98
90
82
75
85
87
88
87
88
89
90
89
85
82
79
64
73
45
35

Medium Clouds (% Sky Obscured)

89
86
77
54
62
67
47
40
41
36
53
97
95
93
91
94
92
100
98
100
100
98
92
69

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
27
85
85
85
85
60
46
22
24
19

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
9
9
9

Fog (%)

0
0
0
0
3
45
67
13
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

67
77
76
62
53
54
59
44
36
33
34
38
44
49
52
49
50
47
36
21
14
6
5
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

2
2
2
2
2
2
3
2
2
2
2
2
2
2
2
2
2
2
2
3
3
3
2
2

Feels Like (°C)

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

Dew Point (°C)

2
2
2
2
2
2
3
2
2
2
2
2
2
2
2
2
2
2
2
3
3
2
2
2

Relative Humidity (%)

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

Pressure (mb)

1002
1001
1002
1002
1002
1003
1003
1004
1004
1005
1005
1006
1006
1007
1007
1008
1008
1008
1008
1008
1009
1009
1010
1011

Ozone (du)

317
317
319
323
327
328
331
335
338
336
334
332
333
337
340
339
334
323
314
307
306
310
315
316

Thursday 13

Waning Crescent 28%

01:05

13:58

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 OK
08 Good
09 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 06:53, Set: 16:24, Transit: 11:38. Moon - Rise: 01:05, Set: 13:58. Civil Dark: 16:56 - 06:21. Nautical Dark: 17:32 - 05:45. Astro Dark: 18:07 - 05:10

Total Clouds (% Sky Obscured)

98
100
95
97
96
85
63
87
52
52
50
49
31
9
36
59
73
68
67
84
91
91
93
91

Low Clouds (% Sky Obscured)

36
35
43
68
66
43
45
47
43
43
37
32
22
4
29
57
70
66
67
79
85
89
91
90

Medium Clouds (% Sky Obscured)

64
60
67
76
77
61
27
62
4
0
0
8
3
2
2
3
2
1
2
4
5
4
3
1

High Clouds (% Sky Obscured)

4
4
4
4
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1

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
13
23
45
59
50
26
26
26
26
26
26
26
26
26
26
26
26

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 (%)

3
5
5
2
2
2
1
1
0
1
1
1
1
1
1
1
2
4
7
20
15
9
7
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1011
1011
1012
1012
1012
1012
1013
1013
1013
1014
1014
1014
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1015
1015

Ozone (du)

317
318
316
314
313
312
314
319
317
315
314
314
316
320
321
321
324
325
322
319
317
316
318
318

Friday 14

Waning Crescent 19%

02:11

14:14

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

Sun - Rise: 06:54, Set: 16:23, Transit: 11:39. Moon - Rise: 02:11, Set: 14:14. Civil Dark: 16:55 - 06:22. Nautical Dark: 17:31 - 05:46. Astro Dark: 18:06 - 05:11

Total Clouds (% Sky Obscured)

75
65
58
64
67
70
63
56
44
35
29
24
24
35
41
81
85
86
68
67
65
96
95
94

Low Clouds (% Sky Obscured)

73
55
41
43
38
40
35
27
17
16
13
11
11
11
12
17
21
20
25
36
38
26
15
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
18
43
63
83
72
70

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
5
7
38
53
68
50
36
20
36
52
68

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 (%)

26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26

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 (%)

5
3
1
3
4
3
3
2
2
2
1
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
88
87
87
86
87
87
86
86
86
86
87
89
87
84
81
81
83
84
83
84
86
87
87

Pressure (mb)

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

Ozone (du)

318
317
316
318
325
334
336
337
339
336
334
332
331
330
330
328
328
319
313
310
308
305
301
300

Saturday 15

Waning Crescent 12%

03:17

14:30

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
18 Bad

Sun - Rise: 06:56, Set: 16:22, Transit: 11:39. Moon - Rise: 03:17, Set: 14:30. Civil Dark: 16:54 - 06:24. Nautical Dark: 17:30 - 05:48. Astro Dark: 18:05 - 05:12

Total Clouds (% Sky Obscured)

96
98
100
100
100
100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
97
91

Low Clouds (% Sky Obscured)

1
0
1
25
50
70
78
93
100
100
100
100
100
100
100
94
87
81
92
94
95
90
71
46

Medium Clouds (% Sky Obscured)

84
91
70
81
98
90
80
100
100
96
93
86
87
93
100
97
87
74
57
44
36
35
33
27

High Clouds (% Sky Obscured)

50
33
24
49
76
100
96
100
100
77
57
29
45
38
11
1
0
0
3
2
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
1
0
0
1
1
1
1
1
0
0
0
0
0
3
6

Fog (%)

26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26

Precipitation Type

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

Precipitation Probability (%)

1
2
3
14
21
29
62
95
95
95
95
95
95
95
57
53
48
41
34
28
21
22
20
13

Precipitation Amount (mm)

0
0
0
0
0
0
0.1
0.5
1.6
1.7
1.2
1.1
1.2
0.6
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
87
89
91
91
91
89
89
87
92
96
96
96
96
98
98
96
98
96
98
98
100
96
94

Pressure (mb)

1006
1004
1003
1002
1000
998
997
995
994
992
991
990
989
989
989
989
990
990
990
991
991
992
992
993

Ozone (du)

297
296
296
294
292
291
294
295
295
293
296
297
301
301
302
302
303
304
305
310
315
320
320
320

Sunday 16

Waning Crescent 6%

04:22

14:47

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 OK
16 OK
17 OK
18 OK

Sun - Rise: 06:57, Set: 16:21, Transit: 11:39. Moon - Rise: 04:22, Set: 14:47. Civil Dark: 16:53 - 06:25. Nautical Dark: 17:29 - 05:49. Astro Dark: 18:04 - 05:14

Total Clouds (% Sky Obscured)

88
86
86
83
80
77
79
84
90
87
85
82
75
72
68
75
82
81
65
47
28
27
27
31

Low Clouds (% Sky Obscured)

39
33
26
34
41
51
48
47
47
52
58
67
59
52
46
58
70
81
65
47
28
27
27
31

Medium Clouds (% Sky Obscured)

30
34
35
31
24
17
21
23
34
38
37
39
41
45
50
38
24
7
5
4
2
1
1
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
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26

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 (%)

12
10
2
5
6
5
11
10
3
6
6
4
7
5
1
6
9
11
11
10
3
6
5
1

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
12
12
12
12
13
13
13
13
13
13
13
13
13
13
13
12
12
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
89
89
89
89
88
86
87
87
87
87
87
86
86
86
84
84
83
83
81
81
80
83
84

Pressure (mb)

994
994
994
995
995
995
996
996
997
997
998
999
999
1000
1001
1002
1002
1003
1003
1004
1005
1006
1007
1008

Ozone (du)

320
322
323
325
328
330
333
337
340
344
344
345
345
343
340
337
336
334
333
334
336
337
337
337

Monday 17

Waning Crescent 3%

05:28

15:08

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

Sun - Rise: 06:58, Set: 16:20, Transit: 11:39. Moon - Rise: 05:28, Set: 15:08. Civil Dark: 16:52 - 06:26. Nautical Dark: 17:28 - 05:50. Astro Dark: 18:04 - 05:15

Total Clouds (% Sky Obscured)

33
42
34
21
14
14
22
31
39
53
67
79
75
72
69
63
55
50

Low Clouds (% Sky Obscured)

33
42
34
21
14
14
22
31
39
49
58
69
59
50
45
46
45
50

Medium Clouds (% Sky Obscured)

0
1
1
2
2
2
1
1
1
1
2
2
2
2
3
11
18
28

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
3
6
10
25
41
56
39
22
6

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26
26

Precipitation Type

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

Precipitation Probability (%)

2
1
0
1
1
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-4
-4
-4
-4
-4
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-5
-4

Dew Point (°C)

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

Relative Humidity (%)

87
87
87
89
89
89
91
91
91
91
91
91
91
89
89
87
86
86

Pressure (mb)

1009
1009
1010
1010
1010
1011
1011
1011
1012
1012
1012
1012
1013
1013
1013
1013
1012
1012

Ozone (du)

336
332
327
323
321
319
317
313
309
306
305
304
302
303
303
303
303
302

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

Generated: 11/11/25 19:16:45. Forecast: 11/11/25 to 17/11/25. Timezone: UTC-5.00