Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 28

Waxing Crescent 40%

14:40

22:44

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

Sun - Rise: 07:31, Set: 17:44, Transit: 12:37. Moon - Rise: 14:40, Set: 22:44. Civil Dark: 18:15 - 07:00. Nautical Dark: 18:50 - 06:25. Astro Dark: 19:25 - 05:51

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
65
73
100
100
100
100
92
76
25
1
0
0
19
43
38

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
19
24
3

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
74
75
80
73
74
15
1
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
2
65
69
100
100
100
100
20
19
4
0
0
0
0
20
25

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
62
64
65
67
70
70
72
72
75
73
75
76
77
72
64
56
51
46
44
44
46
50
56

Pressure (mb)

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

Ozone (du)

293
292
291
289
290
288
284
279
272
270
266
266
269
268
269
271
273
274
275
275
275
274
271
272

Wednesday 29

First Quarter 53%

15:04

23:56

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Good
03 Good
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: 07:32, Set: 17:43, Transit: 12:37. Moon - Rise: 15:04, Set: 23:56. Civil Dark: 18:13 - 07:01. Nautical Dark: 18:48 - 06:26. Astro Dark: 19:24 - 05:52

Total Clouds (% Sky Obscured)

58
49
79
89
63
100
65
10
6
55
80
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
41
42
55
37
61
72
65
78
48
22
62
72
79
79

Medium Clouds (% Sky Obscured)

12
28
29
30
40
70
26
9
2
2
0
0
65
49
100
96
100
100
100
97
100
97
100
100

High Clouds (% Sky Obscured)

51
40
75
75
39
100
25
0
3
37
79
100
100
100
100
100
100
100
100
100
100
99
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
8

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
Light Rain
Light Rain
None
Light Rain
Moderate Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
28
34
44
73
74
52
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.4
0
1
2.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
59
61
63
65
65
67
70
71
73
76
77
79
76
72
66
62
56
53
53
53
57
61
65

Pressure (mb)

1022
1022
1022
1022
1022
1021
1021
1021
1021
1020
1020
1019
1019
1019
1019
1019
1019
1018
1016
1014
1013
1012
1011
1010

Ozone (du)

271
271
270
270
267
266
264
264
264
262
262
261
260
261
262
262
262
260
260
260
260
260
265
268

Thursday 30

Waxing Gibbous 64%

15:25

01:10

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: 07:33, Set: 17:41, Transit: 12:37. Moon - Rise: 15:25, Set: 01:10. Civil Dark: 18:12 - 07:03. Nautical Dark: 18:47 - 06:28. Astro Dark: 19:23 - 05:53

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
100
100

Low Clouds (% Sky Obscured)

89
81
72
63
61
63
71
71
72
79
76
85
100
100
100
97
97
96
100
100
99
99
97
95

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
55
39
78
60
90
100
100
100
100
100
99
81
60

ISS Passover

Visibility (miles)

2
2
1
2
1
9
9
2
2
6
9
4
1
4
2
1
0
0
0
4
5
7
3
2

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

Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

4.7
4.7
3.6
2.9
1.7
0.5
0.7
3.3
2.8
0.8
0.9
1.2
2.2
1
2
3.7
4.3
2.4
0.7
0.5
0.5
1.1
1.9
1.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
8
8
9
9
9
9
9
9
9
9
9
9
9
10
9
9
9
9
9
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

4
6
7
7
7
7
7
8
8
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Relative Humidity (%)

79
88
93
91
91
91
91
93
95
96
96
96
96
96
96
98
98
98
98
96
95
95
96
96

Pressure (mb)

1009
1008
1006
1005
1004
1003
1001
999
997
996
994
992
991
989
988
987
985
985
983
983
983
983
983
983

Ozone (du)

270
272
273
274
273
274
273
271
269
269
270
270
270
272
272
270
270
271
272
275
278
279
280
279

Friday 31

Waxing Gibbous 74%

15:44

02:25

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: 07:35, Set: 17:40, Transit: 12:37. Moon - Rise: 15:44, Set: 02:25. Civil Dark: 18:11 - 07:04. Nautical Dark: 18:46 - 06:29. Astro Dark: 19:21 - 05:54

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
89
74
63

Low Clouds (% Sky Obscured)

94
94
94
95
95
96
95
97
98
99
99
99
98
69
83
98
98
99
100
99
100
88
69
63

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
98
90
90
26
21
16
18
20
25
31
41
57
70
74
74
63

High Clouds (% Sky Obscured)

40
32
23
14
43
71
100
100
100
98
95
90
86
91
96
88
80
85
90
95
100
89
74
63

ISS Passover

Visibility (miles)

3
3
3
4
4
3
3
4
6
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

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

Precipitation Probability (%)

95
95
95
95
95
95
95
95
77
59
53
50
49
42
33
31
21
26
18
5
6
7
8
7

Precipitation Amount (mm)

1.4
1.4
1.3
0.9
1.3
1.4
1.1
0.8
0.4
0.3
0.2
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
93
91
88
90
90
91
91
88
79
77
76
75
74
72
71
70
69
64
62
57
56
57
59

Pressure (mb)

984
984
985
985
986
988
989
991
992
994
995
997
998
1000
1001
1002
1004
1004
1005
1006
1007
1008
1009
1010

Ozone (du)

277
275
275
275
275
274
274
274
274
276
279
282
285
286
289
291
293
297
299
304
307
304
302
301

Saturday 1

Waxing Gibbous 83%

15:03

02:42

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

Sun - Rise: 06:36, Set: 16:38, Transit: 11:37. Moon - Rise: 15:03, Set: 02:42. Civil Dark: 17:09 - 06:05. Nautical Dark: 17:44 - 05:30. Astro Dark: 19:20 - 04:56

Total Clouds (% Sky Obscured)

63
62
58
44
44
35
38
36
24
17
23
25
37
51
67
75
84
92
95
97
99
95
92
85

Low Clouds (% Sky Obscured)

63
62
58
44
44
35
38
36
24
17
23
25
37
51
67
75
75
73
87
93
97
92
80
64

Medium Clouds (% Sky Obscured)

63
62
53
39
35
31
27
25
24
17
23
25
37
51
67
75
69
67
42
21
1
2
4
6

High Clouds (% Sky Obscured)

63
62
58
44
44
35
38
36
24
17
23
25
37
26
12
12
21
31
23
12
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 (%)

4
7
9
9
7
3
4
4
2
9
9
9
15
11
2
5
3
1
1
1
0
1
1
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
11
10
10
9
9
8
8
9
9
8
8
9
9
9
10
10
10
10
9
9
8
7
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
61
64
65
68
70
73
75
76
77
77
79
79
73
68
62
59
56
54
54
53
53
56
58

Pressure (mb)

1011
1012
1012
1013
1014
1014
1016
1017
1017
1018
1018
1019
1020
1021
1021
1022
1021
1021
1021
1021
1021
1021
1022
1022

Ozone (du)

300
299
298
296
294
294
295
292
291
291
293
299
301
302
302
303
306
308
311
310
309
308
305
301

Sunday 2

Waxing Gibbous 91%

15:24

04:02

19 Bad
20 Bad
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
18 Bad

Sun - Rise: 06:38, Set: 16:37, Transit: 11:37. Moon - Rise: 15:24, Set: 04:02. Civil Dark: 17:08 - 06:07. Nautical Dark: 17:43 - 05:32. Astro Dark: 18:19 - 04:57

Total Clouds (% Sky Obscured)

69
58
42
64
83
100
99
98
96
97
97
98
97
96
96
96
95
94
96
98
100
100
98
93

Low Clouds (% Sky Obscured)

43
21
0
19
38
54
54
52
49
65
81
95
97
96
95
96
95
94
92
83
75
74
74
73

Medium Clouds (% Sky Obscured)

16
28
38
44
45
41
45
46
57
61
60
58
63
72
84
86
87
89
60
30
0
22
44
64

High Clouds (% Sky Obscured)

1
1
2
34
67
100
93
87
76
54
31
21
14
11
5
2
3
11
45
76
80
70
70
70

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

Precipitation Probability (%)

0
0
0
3
6
9
17
22
24
31
37
43
45
48
50
52
55
59
72
78
79
61
42
20

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.4
0.5
0.5
0.3
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

5
5
4
4
4
4
4
4
4
4
5
5
5
6
6
7
8
9
10
10
10
10
9
9

Feels Like (°C)

2
2
2
2
2
3
3
1
0
0
1
1
1
1
0
1
1
1
1
7
7
7
6
6

Dew Point (°C)

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

Relative Humidity (%)

60
63
66
69
71
72
73
76
77
80
80
82
83
78
72
69
65
62
59
62
65
67
70
73

Pressure (mb)

1022
1022
1022
1022
1021
1021
1021
1020
1020
1019
1018
1018
1017
1016
1015
1014
1012
1011
1010
1009
1008
1007
1007
1007

Ozone (du)

298
296
294
292
290
288
285
283
281
279
279
278
278
277
276
275
276
278
279
282
284
287
286
285

Monday 3

Waxing Gibbous 97%

15:47

05:25

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

Sun - Rise: 06:39, Set: 16:36, Transit: 11:37. Moon - Rise: 15:47, Set: 05:25. Civil Dark: 17:07 - 06:08. Nautical Dark: 17:42 - 05:33. Astro Dark: 18:17 - 04:58

Total Clouds (% Sky Obscured)

92
90
97
97
99
99
100
100
100
100
100
99
98
98
99
100
100
100

Low Clouds (% Sky Obscured)

67
60
54
59
65
65
71
78
86
86
89
91
93
94
95
96
98
100

Medium Clouds (% Sky Obscured)

70
81
96
96
95
94
94
94
94
87
79
69
69
70
76
86
89
96

High Clouds (% Sky Obscured)

70
60
60
75
75
75
100
100
100
95
95
95
95
95
95
95
95
95

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
7
5
3
3
2
2
3
3

Fog (%)

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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

21
17
0
3
4
5
20
23
31
46
59
77
94
95
95
95
95
92

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.7
1
1.2
1
0.8
0.6

Wind Speed/Direction (mph)

8
8
9
9
8
8
7
8
9
9
9
10
10
10
10
10
6
3

Chance of Frost

Temperature (°C)

8
8
8
8
8
8
8
8
8
8
7
7
7
8
8
8
8
8

Feels Like (°C)

7
4
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

77
75
75
74
75
77
77
81
84
88
90
93
96
96
96
96
96
98

Pressure (mb)

1007
1006
1006
1005
1005
1004
1004
1003
1003
1003
1003
1003
1003
1003
1003
1003
1002
1002

Ozone (du)

284
285
285
286
285
285
284
284
283
283
283
283
283
281
279
277
279
281

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

Generated: 28/10/25 19:33:47. Forecast: 28/10/25 to 03/11/25. Timezone: UTC-4.00