Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 20

Waning Crescent 1%

06:27

17:22

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
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:21, Set: 17:58, Transit: 12:39. Moon - Rise: 06:27, Set: 17:22. Civil Dark: 18:28 - 06:50. Nautical Dark: 19:04 - 06:15. Astro Dark: 19:38 - 05:40

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
89
94
100

Low Clouds (% Sky Obscured)

100
75
85
87
91
100
96
92
100
98
100
96
95
88
91
100
100
100
100
98
100
89
94
100

Medium Clouds (% Sky Obscured)

93
49
51
100
100
93
91
82
100
100
100
100
100
100
100
100
97
100
100
99
100
45
5
12

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
0
6
1
0
0
0
0
0
0
0
0
0
0
1
2
4
0
1
0

Fog (%)

0
0
0
0
0
0
0
0
9
2
8
7
62
0
0
0
0
0
0
0
0
0
0
12

Precipitation Type

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

Precipitation Probability (%)

0
0
0
95
95
95
95
95
95
95
95
88
95
95
95
95
83
95
95
95
95
95
93
48

Precipitation Amount (mm)

0
0
0
1.6
2.6
2.6
2.2
1.8
1
1.6
0.5
0.4
1.3
2.7
1.2
0.5
0.2
1.2
1.3
2.2
1.5
1.3
0.8
0

Wind Speed/Direction (mph)

13
13
12
9
9
9
10
11
9
10
11
11
11
10
9
10
9
8
9
10
10
10
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

9
9
9
8
10
10
10
10
11
12
12
12
12
12
11
11
11
10
10
10
9
9
9
9

Relative Humidity (%)

80
80
83
85
95
96
96
96
98
98
96
96
96
96
96
98
98
98
96
96
96
96
96
96

Pressure (mb)

1005
1005
1005
1005
1005
1005
1005
1004
1004
1003
1003
1002
1003
1003
1003
1003
1003
1003
1003
1003
1002
1002
1003
1003

Ozone (du)

265
265
264
266
268
268
268
269
270
269
271
271
271
271
271
273
275
274
274
277
283
287
291
292

Tuesday 21

New Moon 0%

07:34

17:39

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
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:22, Set: 17:56, Transit: 12:39. Moon - Rise: 07:34, Set: 17:39. Civil Dark: 18:27 - 06:52. Nautical Dark: 19:02 - 06:16. Astro Dark: 19:37 - 05:41

Total Clouds (% Sky Obscured)

100
100
100
100
91
87
70
96
96
94
98
100
94
99
100
100
100
100
95
99
91
97
87
88

Low Clouds (% Sky Obscured)

100
100
100
100
91
84
70
81
82
81
96
94
86
97
67
49
53
86
92
85
86
91
71
85

Medium Clouds (% Sky Obscured)

0
1
2
2
1
20
0
49
40
47
87
62
63
90
100
71
70
70
79
87
37
37
23
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
2
0
0
0
0
0
3
2
38
45
5
10
2
0
0
1
0
0

ISS Passover

Visibility (miles)

0
0
3
0
1
2
2
0
9
9
7
9
9
9
9
9
9
9
9
9
9
9
1
9

Fog (%)

31
25
63
7
10
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 (%)

41
32
29
15
14
20
9
23
23
31
26
16
4
11
21
18
28
45
32
41
25
21
9
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
96
96
95
96
95
90
81
83
91
91
90
91
90
88
84
93
93
94
94
96
94

Pressure (mb)

1003
1003
1004
1004
1005
1005
1005
1005
1005
1004
1004
1004
1005
1005
1006
1006
1006
1006
1006
1006
1006
1006
1006
1005

Ozone (du)

293
293
291
290
280
273
270
269
267
267
267
268
269
271
270
274
277
279
281
282
284
285
287
290

Wednesday 22

Waxing Crescent 2%

08:42

18:00

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
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:24, Set: 17:54, Transit: 12:39. Moon - Rise: 08:42, Set: 18:00. Civil Dark: 18:25 - 06:53. Nautical Dark: 19:00 - 06:18. Astro Dark: 19:35 - 05:43

Total Clouds (% Sky Obscured)

56
71
93
94
98
98
100
100
100
100
100
100
100
96
92
91
99
96
84
98
100
90
90
90

Low Clouds (% Sky Obscured)

56
71
90
92
86
88
75
86
88
100
90
63
58
58
56
58
64
63
63
78
81
76
77
85

Medium Clouds (% Sky Obscured)

12
0
3
17
83
90
100
100
100
100
100
100
100
95
70
66
81
88
84
77
75
1
12
33

High Clouds (% Sky Obscured)

0
4
0
3
30
0
54
100
100
100
100
100
100
86
65
62
49
31
23
2
0
0
2
8

ISS Passover

Visibility (miles)

7
4
0
0
0
0
7
9
7
2
2
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
3
1
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

1
4
16
5
7
28
72
93
95
95
95
93
28
15
27
29
27
22
26
16
16
6
7
18

Precipitation Amount (mm)

0
0
0
0
0
0
0.6
0.7
1
2.9
0.9
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
98
98
98
98
94
93
87
85
91
93
93
91
90
91
90
94
91
91
94
89
89
86
91

Pressure (mb)

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

Ozone (du)

298
305
309
307
308
309
310
312
315
315
316
318
320
323
325
326
327
326
324
325
326
322
316
309

Thursday 23

Waxing Crescent 5%

09:50

18:25

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
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:25, Set: 17:53, Transit: 12:39. Moon - Rise: 09:50, Set: 18:25. Civil Dark: 18:23 - 06:54. Nautical Dark: 18:59 - 06:19. Astro Dark: 19:34 - 05:44

Total Clouds (% Sky Obscured)

88
91
95
100
96
93
90
88
87
86
80
80
58
85
93
100
99
99
99
98
98
97
97
99

Low Clouds (% Sky Obscured)

87
91
95
90
83
93
88
88
87
86
80
80
58
85
93
94
92
93
94
97
98
97
97
97

Medium Clouds (% Sky Obscured)

43
31
26
20
22
28
29
46
64
76
67
49
4
18
31
48
62
46
42
66
29
12
15
17

High Clouds (% Sky Obscured)

5
0
0
0
2
1
0
0
1
1
2
1
0
32
63
95
89
81
73
59
34
23
50
65

ISS Passover

Visibility (miles)

9
9
9
7
3
9
9
9
9
8
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 (%)

8
21
35
27
18
25
30
32
28
21
16
6
5
4
3
1
3
4
2
5
9
16
3
4

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
93
94
96
96
89
85
82
80
79
78
81
83
79
79
77
80
82
82
82
80
80
78
78

Pressure (mb)

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

Ozone (du)

306
306
306
307
309
312
314
317
318
318
319
319
320
320
317
315
313
314
317
320
320
320
321
321

Friday 24

Waxing Crescent 10%

10:56

18:57

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
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:27, Set: 17:51, Transit: 12:39. Moon - Rise: 10:56, Set: 18:57. Civil Dark: 18:22 - 06:56. Nautical Dark: 18:57 - 06:20. Astro Dark: 19:32 - 05:45

Total Clouds (% Sky Obscured)

100
96
91
86
87
92
97
98
99
100
100
100
100
100
100
84
89
93
97
92
86
81
88
95

Low Clouds (% Sky Obscured)

97
92
91
75
80
78
89
86
90
91
92
94
96
95
78
69
76
85
91
88
85
81
88
94

Medium Clouds (% Sky Obscured)

23
18
9
0
40
51
63
78
88
100
98
97
95
95
86
67
73
74
72
65
60
55
48
40

High Clouds (% Sky Obscured)

86
61
31
32
41
54
60
65
60
60
56
39
65
65
65
26
17
9
0
0
0
0
19
36

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
8
4
3
6
6
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
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

19
5
6
2
1
2
2
11
22
15
33
38
42
38
36
29
40
30
17
15
13
7
7
5

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
5
5
5
6
6
7
7
7
6
6
6
6
6
6
6
6
6
6
6
6
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
81
84
88
84
77
72
71
68
69
71
73
76
80
84
93
93
88
84
78
84
89
94
91

Pressure (mb)

1012
1013
1013
1014
1014
1015
1015
1015
1015
1015
1015
1016
1016
1017
1018
1018
1019
1019
1020
1020
1021
1021
1022
1023

Ozone (du)

320
319
317
315
313
310
305
303
300
297
296
296
297
300
300
301
303
308
313
317
314
311
308
303

Saturday 25

Waxing Crescent 16%

11:59

19:38

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
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:28, Set: 17:49, Transit: 12:39. Moon - Rise: 11:59, Set: 19:38. Civil Dark: 18:20 - 06:57. Nautical Dark: 18:56 - 06:22. Astro Dark: 19:31 - 05:47

Total Clouds (% Sky Obscured)

100
97
94
91
93
95
98
99
99
100
95
89
84
80
76
85
88
93
97
99
100
100
100
100

Low Clouds (% Sky Obscured)

100
89
72
48
51
60
69
73
77
81
79
76
74
73
71
70
72
74
87
88
84
82
75
65

Medium Clouds (% Sky Obscured)

35
32
33
32
43
67
87
90
92
95
73
51
28
17
8
0
0
0
0
23
47
70
80
90

High Clouds (% Sky Obscured)

55
59
64
72
64
56
48
37
24
10
5
1
0
2
3
5
21
36
55
64
74
84
90
95

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8
7
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

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 (%)

1
1
1
0
1
1
1
11
16
21
20
18
14
13
12
12
10
8
2
3
3
0
5
7

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-2
-2
-2
-2
-2
-2
-2
-3
-3
-3
-3
-3
-3
-2
-2
-2
-3
-3
-3
-3
-3
-3
-2
-2

Relative Humidity (%)

86
84
83
83
84
78
74
70
68
65
63
65
69
74
74
76
76
76
75
75
77
81
84
87

Pressure (mb)

1023
1024
1024
1025
1025
1026
1026
1027
1026
1026
1026
1026
1026
1027
1027
1027
1028
1028
1028
1028
1028
1028
1028
1028

Ozone (du)

298
294
295
296
298
299
301
302
302
301
301
301
301
301
301
300
300
300
300
301
301
302
302
302

Sunday 26

Waxing Crescent 24%

12:54

20:30

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
01 Bad

Sun - Rise: 07:29, Set: 17:48, Transit: 12:39. Moon - Rise: 12:54, Set: 20:30. Civil Dark: 18:19 - 06:58. Nautical Dark: 18:54 - 06:23. Astro Dark: 19:29 - 05:48

Total Clouds (% Sky Obscured)

100
100
100
100
96
92
88
89
90
93
94
96
99
88
77
63
58
51
46
49
52
56

Low Clouds (% Sky Obscured)

57
62
68
75
76
77
67
73
81
93
91
90
87
77
69
62
58
51
46
49
52
56

Medium Clouds (% Sky Obscured)

97
93
86
58
54
50
50
47
48
51
54
54
57
61
66
63
58
51
46
24
15
8

High Clouds (% Sky Obscured)

100
79
64
51
42
34
26
17
9
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

4
2
5
7
9
8
7
6
7
8
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

Precipitation Type

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

Precipitation Probability (%)

6
6
3
1
3
3
2
13
17
18
16
13
7
11
10
5
7
6
2
6
5
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

Wind Speed/Direction (mph)

3
3
3
3
3
4
4
5
5
5
4
4
4
4
4
4
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
96
96
96
96
86
77
70
68
64
63
65
67
68
74
81
89
91
92
96
94
94

Pressure (mb)

1028
1028
1029
1029
1029
1029
1029
1029
1028
1028
1027
1027
1027
1027
1027
1028
1028
1028
1029
1029
1029
1029

Ozone (du)

303
303
304
305
305
305
305
304
304
304
304
305
306
306
306
306
306
305
303
302
303
304

Forecast for Lac-Saint-Louis, Lanaudière, Canada (46.57,-73.80)

Generated: 20/10/25 04:14:37. Forecast: 20/10/25 to 26/10/25. Timezone: UTC-4.00