Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 5

Waning Gibbous 95%

19:15

09:27

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: 07:38, Set: 16:23, Transit: 12:01. Moon - Rise: 19:15, Set: 09:27. Civil Dark: 16:57 - 07:04. Nautical Dark: 17:35 - 06:26. Astro Dark: 18:12 - 05:49

Total Clouds (% Sky Obscured)

51
46
43
51
89
93
92
81
91
100
100
100
100
100
100
100
100
95
95
97
93
98
79
82

Low Clouds (% Sky Obscured)

41
3
1
29
39
44
54
23
25
21
78
81
87
93
92
85
77
80
74
76
82
74
67
70

Medium Clouds (% Sky Obscured)

0
0
0
17
28
31
42
49
85
100
100
100
100
100
100
100
100
83
84
84
45
81
49
46

High Clouds (% Sky Obscured)

0
3
3
13
61
63
62
62
87
100
100
100
100
100
100
100
100
70
65
41
2
1
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
3
0
0
0
0
2
3
3
5
5
4

Fog (%)

0
0
0
62
41
27
59
67
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
Snow
Snow
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
2
13
26
37
49
47
33
25
8
4
7
8
13
14

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-23
-23
-23
-23
-23
-23
-23
-22
-21
-19
-17
-16
-15
-14
-14
-14
-15
-15
-16
-17
-17
-17
-16
-16

Feels Like (°C)

-25
-25
-26
-25
-26
-27
-27
-26
-24
-23
-21
-20
-19
-19
-19
-19
-19
-19
-20
-21
-21
-21
-20
-19

Dew Point (°C)

-26
-26
-26
-26
-26
-26
-26
-25
-25
-23
-21
-20
-20
-18
-17
-16
-17
-17
-18
-18
-19
-19
-18
-18

Relative Humidity (%)

77
77
77
77
76
75
76
74
68
67
66
66
69
72
82
84
84
84
85
87
85
84
84
83

Pressure (mb)

1023
1024
1024
1024
1024
1024
1024
1024
1024
1023
1022
1022
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019

Ozone (du)

340
337
332
329
331
329
332
337
335
333
333
330
333
333
333
336
341
342
338
343
348
352
350
349

Tuesday 6

Waning Gibbous 89%

20:33

09:50

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: 07:38, Set: 16:24, Transit: 12:01. Moon - Rise: 20:33, Set: 09:50. Civil Dark: 16:58 - 07:04. Nautical Dark: 17:36 - 06:26. Astro Dark: 18:13 - 05:49

Total Clouds (% Sky Obscured)

78
83
79
82
87
82
81
90
96
93
94
94
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

61
59
69
76
79
81
80
79
80
86
87
88
100
100
100
100
98
100
100
100
100
95
94
84

Medium Clouds (% Sky Obscured)

26
18
4
2
54
3
0
25
47
20
31
42
36
50
34
25
50
73
100
100
100
100
100
100

High Clouds (% Sky Obscured)

1
4
3
31
46
0
2
26
35
3
9
30
65
70
91
89
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

1
9
33
48
54
55
57
62
17
1
2
3
2
3
3
3
3
2
3
5
9
1
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Snow
Snow
Snow
Snow

Precipitation Probability (%)

10
4
0
0
1
2
2
1
2
3
3
7
4
8
13
9
3
8
11
33
47
58
61
62

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-16
-16
-16
-16
-15
-16
-15
-15
-14
-12
-10
-8
-7
-7
-7
-8
-8
-9
-9
-9
-9
-8
-8
-7

Feels Like (°C)

-19
-19
-18
-18
-19
-19
-19
-19
-18
-17
-14
-12
-11
-11
-11
-11
-12
-12
-13
-12
-13
-12
-11
-11

Dew Point (°C)

-18
-18
-18
-18
-17
-17
-17
-17
-15
-14
-11
-10
-9
-9
-9
-8
-9
-10
-10
-9
-10
-9
-9
-8

Relative Humidity (%)

83
83
83
85
84
85
84
88
88
86
87
85
87
89
90
94
94
92
92
94
92
92
92
92

Pressure (mb)

1019
1019
1019
1018
1018
1018
1018
1018
1018
1017
1016
1015
1014
1013
1013
1013
1013
1012
1012
1011
1010
1009
1008
1007

Ozone (du)

344
349
349
350
350
353
353
352
354
356
357
357
356
355
355
356
356
357
359
361
363
360
361
360

Wednesday 7

Waning Gibbous 81%

21:46

10:09

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: 07:38, Set: 16:25, Transit: 12:01. Moon - Rise: 21:46, Set: 10:09. Civil Dark: 16:59 - 07:03. Nautical Dark: 17:37 - 06:25. Astro Dark: 18:14 - 05:49

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
99
100
100
100
97
96
96
85
96
100
100
99
99

Low Clouds (% Sky Obscured)

86
92
91
87
86
84
97
97
98
100
100
99
100
100
100
94
86
91
84
91
93
95
97
99

Medium Clouds (% Sky Obscured)

100
100
97
100
100
95
100
100
58
76
26
52
54
39
35
14
0
0
16
34
51
50
54
72

High Clouds (% Sky Obscured)

100
100
100
77
94
100
100
40
41
13
3
16
19
17
19
36
6
3
17
36
56
82
59
15

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
7
9
8
9
9
9
8
2
3
2
2
1
1
1

Fog (%)

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

Precipitation Type

Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

56
50
50
49
46
40
34
26
21
12
6
14
4
0
0
2
16
0
0
0
1
17
4
2

Precipitation Amount (mm)

0.1
0.1
0.1
0.1
0.2
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
3
3
3
3
3
3
3
4
4
5
5
4
5
5
5
4
3
3
4
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
94
94
94
94
94
94
94
92
90
87
85
87
86
87
87
89
91
94
96
96
96
98
96

Pressure (mb)

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

Ozone (du)

358
360
361
358
357
362
365
370
377
375
373
375
370
363
361
358
352
362
373
374
370
365
360
358

Thursday 8

Waning Gibbous 72%

22:56

10:25

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 OK
15 OK
16 OK
17 OK
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad

Sun - Rise: 07:37, Set: 16:26, Transit: 12:02. Moon - Rise: 22:56, Set: 10:25. Civil Dark: 17:01 - 07:03. Nautical Dark: 17:38 - 06:25. Astro Dark: 18:15 - 05:49

Total Clouds (% Sky Obscured)

99
98
97
96
95
93
94
78
77
75
95
100
95
39
28
35
37
92
100
100
99
100
100
100

Low Clouds (% Sky Obscured)

95
96
91
96
95
93
94
60
52
59
93
100
95
28
12
14
18
81
91
77
85
100
100
100

Medium Clouds (% Sky Obscured)

72
73
49
32
17
6
4
2
0
0
0
0
0
0
0
4
7
11
7
4
16
42
49
53

High Clouds (% Sky Obscured)

21
4
4
2
1
0
0
2
1
0
0
0
0
1
1
3
2
10
31
38
49
64
83
100

ISS Passover

Visibility (miles)

5
5
5
6
5
4
4
2
5
6
8
9
9
9
9
9
7
4
2
1
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
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-8
-7
-8
-8
-9
-9
-10
-10
-7
-6
-4
-5
-5
-4
-2
-4
-6
-7
-9
-8
-9
-7
-7
-6

Dew Point (°C)

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

Relative Humidity (%)

94
96
96
96
96
96
96
96
96
91
87
83
80
83
86
92
94
96
96
98
98
98
98
98

Pressure (mb)

1015
1016
1016
1016
1017
1018
1018
1019
1019
1020
1020
1020
1019
1020
1020
1020
1021
1021
1022
1022
1021
1021
1020
1020

Ozone (du)

362
372
371
368
365
359
351
344
330
324
321
321
318
318
319
323
326
328
326
325
336
341
342
341

Friday 9

Waning Gibbous 62%

00:04

10:40

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: 07:37, Set: 16:27, Transit: 12:02. Moon - Rise: 00:04, Set: 10:40. Civil Dark: 17:02 - 07:03. Nautical Dark: 17:39 - 06:25. Astro Dark: 18:16 - 05:49

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)

99
96
95
93
92
92
95
95
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

69
84
100
100
100
100
100
100
100
98
97
95
95
97
99
97
95
90
80
61
43
44
44
45

High Clouds (% Sky Obscured)

100
92
100
88
73
60
60
65
65
65
65
65
60
70
75
58
52
32
20
7
3
2
4
7

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

0
0
0
3
6
10
41
76
95
95
95
95
95
95
95
95
91
75
73
73
73
65
55
43

Precipitation Amount (mm)

0
0
0
0
0
0
0.1
0.5
0.8
1
0.8
0.7
0.7
0.7
0.7
0.7
0.6
0.3
0.3
0.3
0.3
0.3
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
100
98
98
98
98
98
98
94
94
98
98
98
100
98
100
100
100
98
100
98
100
98

Pressure (mb)

1020
1019
1019
1018
1017
1016
1016
1015
1014
1013
1012
1011
1011
1011
1010
1010
1010
1011
1011
1011
1012
1012
1012
1013

Ozone (du)

341
342
343
337
330
326
323
321
318
313
311
304
302
300
297
294
292
290
289
289
289
289
287
285

Saturday 10

Third Quarter 52%

No Rise

10:56

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: 07:37, Set: 16:29, Transit: 12:03. Moon - Rise: No Rise, Set: 10:56. Civil Dark: 17:03 - 07:02. Nautical Dark: 17:41 - 06:25. Astro Dark: 18:17 - 05:48

Total Clouds (% Sky Obscured)

98
95
93
93
95
96
97
97
98
99
100
100
97
95
92
91
90
90
93
97
100
99
97
96

Low Clouds (% Sky Obscured)

95
90
85
87
88
90
88
86
88
96
96
96
95
94
92
91
90
90
93
97
100
99
97
96

Medium Clouds (% Sky Obscured)

41
37
31
22
20
28
52
75
93
98
99
100
79
58
37
30
29
50
51
46
33
24
12
3

High Clouds (% Sky Obscured)

17
21
27
43
63
75
75
75
70
72
74
72
66
76
80
85
90
90
63
32
0
0
0
0

ISS Passover

Visibility (miles)

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

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
Frozen rai
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

33
23
6
13
21
31
58
86
95
95
95
95
95
95
50
69
82
91
95
95
95
95
79
43

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.5
1.2
1.6
2
2.2
1.4
0.8
0
0.3
0.5
0.5
0.6
0.8
1.2
0.7
0.5
0.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
96
98
98
98
98
98
98
98
100
98
98
98
98
98
98
96
96
94
92
91

Pressure (mb)

1013
1013
1014
1014
1013
1013
1013
1012
1011
1010
1009
1008
1007
1006
1005
1004
1004
1003
1002
1001
1000
999
999
999

Ozone (du)

283
284
285
286
286
287
287
288
288
288
290
291
293
296
298
301
302
304
305
313
321
329
339
348

Sunday 11

Waning Crescent 42%

01:11

11:14

Sun - Rise: 07:36, Set: 16:30, Transit: 12:03. Moon - Rise: 01:11, Set: 11:14. Civil Dark: 17:04 - 07:02. Nautical Dark: 17:42 - 06:24. Astro Dark: 18:18 - 05:48

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

Generated: 05/01/26 00:54:14. Forecast: 05/01/26 to 11/01/26. Timezone: UTC-5.00