Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Crescent 33%

13:29

21:36

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

Sun - Rise: 07:25, Set: 17:46, Transit: 12:36. Moon - Rise: 13:29, Set: 21:36. Civil Dark: 18:16 - 06:55. Nautical Dark: 18:51 - 06:21. Astro Dark: 19:25 - 05:46

Total Clouds (% Sky Obscured)

96
96
93
88
84
79
80
71
41
34
35
46
62
88
93
100
91
76
72
85
77
54
30
47

Low Clouds (% Sky Obscured)

91
82
69
66
55
50
56
48
41
34
35
46
49
58
53
77
50
45
10
5
5
15
15
30

Medium Clouds (% Sky Obscured)

62
56
52
39
28
30
37
32
23
0
5
12
9
36
45
60
45
30
42
50
44
16
0
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 (%)

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
1
1
2
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
70
68
68
68
69
73
77
76
70
65
61
57
55
53
57
68
74
75
75
76
75
76
79

Pressure (mb)

1030
1030
1031
1031
1031
1031
1031
1032
1032
1032
1031
1031
1030
1030
1030
1030
1030
1030
1030
1031
1031
1031
1031
1031

Ozone (du)

337
335
334
333
332
330
329
326
325
324
325
324
323
322
321
322
322
322
321
321
320
321
322
321

Tuesday 28

Waxing Crescent 43%

14:07

22:43

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

Sun - Rise: 07:27, Set: 17:44, Transit: 12:36. Moon - Rise: 14:07, Set: 22:43. Civil Dark: 18:15 - 06:56. Nautical Dark: 18:49 - 06:22. Astro Dark: 19:24 - 05:48

Total Clouds (% Sky Obscured)

45
37
55
60
60
25
23
16
27
27
19
35
37
29
21
19
16
10
3
0
0
0
0
0

Low Clouds (% Sky Obscured)

32
26
45
56
53
25
23
16
27
27
19
35
37
29
21
19
16
10
0
0
0
0
0
0

Medium 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

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 (%)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
1
-1
-1
-1
0
-1
2
3
5
7
7
8
8
7
8
5
4
3
3
2
2
1

Dew Point (°C)

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

Relative Humidity (%)

80
80
79
77
81
86
89
89
77
64
54
50
48
47
48
48
57
66
70
72
76
76
76
79

Pressure (mb)

1032
1032
1032
1032
1032
1032
1032
1033
1033
1033
1033
1032
1031
1030
1030
1030
1030
1030
1031
1031
1031
1030
1030
1030

Ozone (du)

319
318
315
313
312
313
316
317
315
311
306
304
303
302
303
302
302
301
300
300
299
298
297
295

Wednesday 29

First Quarter 53%

14:37

23:55

01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
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 Good
23 Good
00 Good

Sun - Rise: 07:28, Set: 17:43, Transit: 12:36. Moon - Rise: 14:37, Set: 23:55. Civil Dark: 18:13 - 06:58. Nautical Dark: 18:48 - 06:23. Astro Dark: 19:22 - 05:49

Total Clouds (% Sky Obscured)

0
0
0
0
4
3
2
0
0
0
0
0
0
0
0
0
0
3
0
0
0
0
7
14

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
0
7
14

Medium Clouds (% Sky Obscured)

0
0
0
0
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
4
1
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
0
1
2

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

Chance of Frost

Temperature (°C)

2
2
1
1
1
1
1
1
3
6
8
10
11
12
12
12
10
8
6
5
4
4
3
2

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
81
83
84
86
84
86
83
70
60
54
50
47
44
43
44
55
62
66
70
73
76
76
76

Pressure (mb)

1029
1029
1029
1029
1028
1028
1028
1028
1029
1028
1028
1027
1026
1025
1025
1025
1024
1025
1025
1024
1024
1024
1024
1024

Ozone (du)

293
290
290
289
288
288
288
287
286
285
283
281
281
282
282
285
287
286
286
287
288
287
281
277

Thursday 30

Waxing Gibbous 64%

15:01

No Set

01 OK
02 Good
03 Good
04 OK
05 OK
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
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:30, Set: 17:41, Transit: 12:35. Moon - Rise: 15:01, Set: No Set. Civil Dark: 18:12 - 06:59. Nautical Dark: 18:47 - 06:24. Astro Dark: 19:21 - 05:50

Total Clouds (% Sky Obscured)

26
18
17
26
22
61
100
97
95
93
96
98
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

26
18
11
0
0
0
0
0
0
0
0
1
4
90
94
95
95
90
80
70
71
26
74
79

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
21
52
89
94
74
100
100
100
100
100
100
100
98
97
95
96
98

High Clouds (% Sky Obscured)

5
3
3
3
22
61
100
81
61
42
61
81
100
100
100
100
100
100
100
100
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
23
33
42
52
63
70
80
89
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.4
0.7
1.1
1.3

Wind Speed/Direction (mph)

3
3
2
3
2
3
3
3
3
3
2
2
3
4
3
3
3
3
4
5
7
8
8
8

Chance of Frost

Temperature (°C)

1
0
1
1
1
1
1
1
4
6
9
10
11
12
12
11
9
8
8
8
8
9
9
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
80
83
81
81
81
83
78
71
61
59
56
53
49
47
52
59
60
61
62
61
64
67
74

Pressure (mb)

1024
1024
1024
1023
1023
1023
1023
1023
1022
1022
1022
1021
1020
1018
1018
1017
1017
1016
1016
1015
1014
1012
1011
1010

Ozone (du)

279
286
288
282
278
273
270
269
265
261
257
256
254
252
251
251
251
250
250
250
251
252
256
259

Friday 31

Waxing Gibbous 74%

15:23

01:09

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
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:31, Set: 17:40, Transit: 12:35. Moon - Rise: 15:23, Set: 01:09. Civil Dark: 18:11 - 07:00. Nautical Dark: 18:45 - 06:26. Astro Dark: 19:20 - 05:51

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
70
100
98
74
19
61
96
86
82
78
71
60
55
67
80
93
97
99

Low Clouds (% Sky Obscured)

91
91
90
89
85
82
70
78
75
60
19
57
87
74
71
69
66
60
55
67
80
93
97
99

Medium Clouds (% Sky Obscured)

100
100
100
100
57
40
35
40
35
40
19
48
44
42
35
40
39
37
36
40
45
49
49
41

High Clouds (% Sky Obscured)

100
100
100
100
100
100
70
70
65
65
19
17
0
0
0
0
0
1
1
2
4
5
14
22

ISS Passover

Visibility (miles)

8
6
5
8
9
9
9
9
9
9
5
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
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
77
65
34
30
22
18
16
16
21
27
33
38
45

Precipitation Amount (mm)

1.7
2.1
2.9
2.8
2
1.3
0.8
0.9
0.9
0.8
0.6
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
9
9
9
10
10
10
10
12
13
14
13
13
13
12
12
11
10
10
9
9
9
8
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
78
84
82
85
80
83
83
77
76
73
72
69
65
64
64
61
67
72
77
77
77
78
78

Pressure (mb)

1009
1007
1006
1004
1002
1001
1000
999
998
996
995
995
995
994
993
993
993
994
994
994
994
994
994
994

Ozone (du)

260
263
264
263
265
269
275
275
276
277
278
279
279
280
283
285
287
288
289
290
290
290
290
290

Saturday 1

Waxing Gibbous 83%

15:42

02:24

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
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:32, Set: 17:39, Transit: 12:35. Moon - Rise: 15:42, Set: 02:24. Civil Dark: 18:09 - 07:02. Nautical Dark: 18:44 - 06:27. Astro Dark: 19:18 - 05:52

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

100
97
94
90
91
93
94
94
94
89
87
83
81
80
79
79
81
84
87
84
82
80
78
76

Medium Clouds (% Sky Obscured)

46
50
50
50
57
64
69
55
44
32
27
26
25
38
51
65
63
62
59
59
57
55
45
33

High Clouds (% Sky Obscured)

9
4
2
0
3
5
7
5
3
1
0
1
2
3
3
2
1
0
0
1
2
5
8
13

ISS Passover

Visibility (miles)

9
9
9
8
8
8
7
7
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

53
71
86
95
84
68
52
50
46
36
38
40
41
41
40
34
40
40
32
27
23
14
17
17

Precipitation Amount (mm)

0
0.4
0.6
0.9
0.6
0.4
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
10
11
12
13
13
14
14
14
14
14
14
14
14
14
14
14
13
13
14
14
13

Chance of Frost

Temperature (°C)

8
8
8
8
8
7
7
7
7
7
7
7
7
7
7
6
6
6
6
6
6
7
7
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
81
82
87
90
91
91
93
90
88
85
87
87
87
88
91
93
90
88
87
84
84
82
81

Pressure (mb)

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

Ozone (du)

290
290
291
291
291
290
289
288
289
290
291
294
297
299
303
306
310
312
314
316
313
311
308
306

Sunday 2

Waxing Gibbous 91%

15:02

02:40

Sun - Rise: 06:34, Set: 16:37, Transit: 11:35. Moon - Rise: 15:02, Set: 02:40. Civil Dark: 17:08 - 06:03. Nautical Dark: 17:43 - 05:28. Astro Dark: 18:17 - 04:54

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Domaine-Joyeux, Montérégie, Canada (45.22,-73.09)

Generated: 27/10/25 01:10:40. Forecast: 27/10/25 to 02/11/25. Timezone: UTC-4.00