Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 2%

06:40

14:41

01 Bad
02 Bad
03 OK
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: 07:33, Set: 16:13, Transit: 11:53. Moon - Rise: 06:40, Set: 14:41. Civil Dark: 16:47 - 06:58. Nautical Dark: 17:25 - 06:21. Astro Dark: 18:02 - 05:44

Total Clouds (% Sky Obscured)

51
50
35
78
58
90
84
100
100
100
97
100
100
100
100
100
100
83
84
100
85
96
64
92

Low Clouds (% Sky Obscured)

2
2
2
2
1
34
33
19
21
13
1
18
47
23
35
33
58
16
3
25
3
2
2
54

Medium Clouds (% Sky Obscured)

0
0
2
35
42
50
34
100
100
99
50
75
100
50
37
63
64
29
20
25
61
39
60
81

High Clouds (% Sky Obscured)

0
4
32
78
58
75
61
100
87
80
94
100
100
100
100
100
99
46
84
100
85
96
64
91

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
1
0
2
0
0
1
4
0
35

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

Chance of Frost

Temperature (°C)

-12
-13
-14
-13
-12
-12
-12
-12
-9
-8
-6
-4
-3
-3
-3
-3
-4
-4
-5
-5
-5
-4
-4
-4

Feels Like (°C)

-15
-16
-16
-16
-16
-16
-15
-15
-12
-11
-10
-8
-7
-6
-5
-6
-8
-7
-9
-9
-8
-8
-8
-7

Dew Point (°C)

-14
-15
-16
-15
-14
-14
-13
-14
-11
-9
-7
-6
-4
-5
-4
-4
-5
-5
-6
-6
-6
-5
-5
-4

Relative Humidity (%)

88
86
86
86
86
88
88
86
85
88
87
89
94
89
92
92
94
92
94
94
92
92
92
94

Pressure (mb)

1022
1023
1022
1022
1022
1023
1024
1023
1023
1022
1021
1019
1017
1016
1015
1014
1013
1012
1012
1011
1009
1008
1007
1006

Ozone (du)

324
319
315
314
315
313
313
315
319
320
320
318
316
309
307
308
311
310
309
310
309
311
309
308

Friday 19

New Moon 0%

07:40

15:27

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: 07:33, Set: 16:13, Transit: 11:53. Moon - Rise: 07:40, Set: 15:27. Civil Dark: 16:48 - 06:59. Nautical Dark: 17:26 - 06:21. Astro Dark: 18:02 - 05:45

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
98
100
99
93
95
98
93
90
77
61
87
81

Low Clouds (% Sky Obscured)

80
93
90
92
94
93
98
100
92
86
70
95
94
100
98
90
79
82
68
52
62
61
86
78

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
97
96
100
100
100
100
47
30
9
62
86
92
81
63
44
2
1
1

High Clouds (% Sky Obscured)

97
100
100
100
92
100
100
100
100
100
90
43
45
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
0
0
0
0
0
0
0
0
0
0
0
9
9
0
0
7
9
9
0
6
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

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

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
52
15
32
40
50
59
49
40
34
11
7
3
9

Precipitation Amount (mm)

1.5
3.5
2.7
2.4
2.5
2.6
2.7
3.1
1.3
1.8
1
0
0
0
0
0
0.2
0.1
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
6
6
8
5
2
1
7
9
13
12
10
12
11
13
15
18
17
18
18
18
17
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-6
-5
-4
-3
-2
0
1
2
-0
-1
-3
-3
-3
-3
-3
-4
-6
-8
-8
-10
-13
-15
-16
-16

Dew Point (°C)

-4
-2
-0
1
2
3
3
4
4
3
3
2
2
2
2
1
-2
-4
-5
-4
-8
-12
-13
-14

Relative Humidity (%)

94
100
100
100
100
100
100
100
100
100
100
98
96
96
100
98
84
80
75
92
84
72
71
68

Pressure (mb)

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

Ozone (du)

308
309
309
309
310
312
317
319
326
332
335
339
342
353
364
370
379
390
395
407
411
414
414
409

Saturday 20

Waxing Crescent 1%

08:31

16:23

01 Bad
02 OK
03 OK
04 OK
05 OK
06 OK
07 OK
08 OK
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: 07:34, Set: 16:14, Transit: 11:54. Moon - Rise: 08:31, Set: 16:23. Civil Dark: 16:48 - 07:00. Nautical Dark: 17:26 - 06:22. Astro Dark: 18:02 - 05:45

Total Clouds (% Sky Obscured)

73
36
31
30
42
25
23
36
84
81
83
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

72
36
31
16
8
1
1
1
1
1
0
0
31
66
19
38
35
49
66
82
100
96
93
89

Medium Clouds (% Sky Obscured)

1
0
0
0
33
25
23
36
84
75
69
99
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
2
0
1
0
0
3
28
42
94
100
45
100
90
100
100
100
100
100
100
100
97

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
3
9
4
9
1
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
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

5
1
0
1
0
0
0
0
0
0
0
0
0
0
11
24
29
36
26
59
80
76
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
0.4
1.1
1.4

Wind Speed/Direction (mph)

15
15
14
13
13
11
9
6
6
5
5
5
7
6
6
4
5
7
9
8
7
5
5
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-16
-16
-16
-16
-17
-16
-15
-15
-14
-13
-13
-12
-13
-12
-12
-11
-11
-12
-12
-12
-11
-11
-10
-9

Dew Point (°C)

-13
-13
-14
-14
-15
-15
-15
-15
-15
-15
-14
-13
-12
-12
-12
-11
-10
-10
-10
-10
-8
-7
-7
-6

Relative Humidity (%)

71
72
71
72
70
72
72
76
75
69
69
71
71
70
72
79
83
85
85
79
87
94
96
96

Pressure (mb)

1008
1011
1013
1015
1017
1018
1020
1020
1021
1021
1021
1020
1019
1019
1018
1017
1016
1013
1011
1010
1009
1008
1006
1005

Ozone (du)

402
385
381
376
374
377
377
373
370
369
357
349
346
341
337
333
334
334
337
339
341
341
343
342

Sunday 21

Waxing Crescent 3%

09:13

17:28

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 OK
21 OK
22 Bad
23 OK
00 OK

Sun - Rise: 07:34, Set: 16:14, Transit: 11:54. Moon - Rise: 09:13, Set: 17:28. Civil Dark: 16:49 - 07:00. Nautical Dark: 17:27 - 06:22. Astro Dark: 18:03 - 05:46

Total Clouds (% Sky Obscured)

95
91
86
78
72
65
51
39
25
45
59
66
66
74
81
68
59
47
47
29
34
44
35
32

Low Clouds (% Sky Obscured)

87
85
85
78
72
65
51
39
25
45
59
65
53
74
81
68
59
47
16
29
28
34
24
14

Medium Clouds (% Sky Obscured)

75
50
30
45
14
0
0
0
0
4
3
2
2
2
29
28
14
34
30
1
6
3
4
6

High Clouds (% Sky Obscured)

75
47
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)

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

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

Precipitation Probability (%)

95
95
95
78
39
32
35
44
57
59
28
11
21
11
13
24
50
19
5
6
6
6
7
1

Precipitation Amount (mm)

1.1
1
0.8
0.5
0.1
0
0
0.1
0.2
0.3
0
0
0
0
0
0
0.1
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
6
9
11
13
14
14
15
17
20
17
17
16
15
14
13
12
11
12
14
14
14
14
14

Chance of Frost

Temperature (°C)

-5
-4
-3
-1
-1
-1
-1
-2
-3
-4
-6
-6
-6
-6
-7
-8
-8
-8
-9
-9
-10
-11
-11
-12

Feels Like (°C)

-9
-8
-7
-6
-7
-7
-7
-9
-10
-12
-12
-13
-12
-12
-13
-13
-14
-13
-16
-16
-16
-17
-18
-18

Dew Point (°C)

-5
-4
-3
-1
-1
-2
-2
-4
-5
-7
-10
-11
-11
-11
-11
-12
-10
-10
-13
-13
-13
-14
-15
-16

Relative Humidity (%)

96
96
98
98
98
94
89
87
84
81
70
66
69
70
70
72
83
85
72
74
75
75
73
72

Pressure (mb)

1004
1004
1003
1003
1003
1003
1003
1003
1004
1005
1006
1007
1008
1009
1011
1012
1013
1014
1016
1017
1018
1019
1020
1021

Ozone (du)

342
344
347
351
358
364
364
358
361
369
379
389
400
402
391
383
372
369
369
364
363
363
365
366

Monday 22

Waxing Crescent 7%

09:47

18:37

01 OK
02 OK
03 OK
04 Bad
05 Bad
06 Bad
07 Bad
08 OK
09 OK
10 OK
11 Good
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: 07:35, Set: 16:15, Transit: 11:55. Moon - Rise: 09:47, Set: 18:37. Civil Dark: 16:49 - 07:00. Nautical Dark: 17:27 - 06:23. Astro Dark: 18:03 - 05:46

Total Clouds (% Sky Obscured)

33
39
36
45
70
68
69
43
16
15
9
49
67
79
91
87
83
82
83
91
95
98
98
100

Low Clouds (% Sky Obscured)

10
9
13
15
20
13
15
11
2
2
3
27
24
49
73
77
81
82
83
86
87
85
83
81

Medium Clouds (% Sky Obscured)

4
2
1
2
0
0
10
20
16
15
9
0
37
36
39
45
46
45
59
82
94
96
98
100

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
16
30
46
29
14
0
1
2
2
2
2
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
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 (%)

2
4
3
3
2
1
0
0
0
0
0
0
5
6
6
13
18
24
28
31
33
33
32
32

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
13
13
12
12
12
11
11
11
12
12
12
11
9
8
7
6
5
3
3
3
4
3
3

Chance of Frost

Temperature (°C)

-12
-12
-12
-12
-13
-13
-14
-14
-14
-13
-12
-11
-11
-11
-11
-11
-11
-13
-13
-13
-14
-14
-14
-14

Feels Like (°C)

-18
-19
-19
-18
-19
-20
-20
-20
-19
-18
-16
-16
-17
-16
-15
-15
-15
-15
-15
-18
-19
-18
-18
-18

Dew Point (°C)

-16
-16
-16
-16
-16
-17
-17
-18
-17
-17
-16
-15
-15
-15
-14
-14
-14
-15
-16
-16
-17
-16
-16
-16

Relative Humidity (%)

73
72
72
75
73
73
73
73
74
71
72
72
72
72
73
75
78
79
83
83
82
83
83
83

Pressure (mb)

1022
1024
1025
1025
1026
1028
1029
1029
1030
1031
1032
1031
1031
1030
1030
1030
1030
1030
1030
1029
1029
1028
1028
1027

Ozone (du)

371
375
379
382
383
384
385
389
381
382
380
378
381
377
374
370
365
360
354
354
353
352
347
341

Tuesday 23

Waxing Crescent 13%

10:14

19:48

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: 07:35, Set: 16:16, Transit: 11:55. Moon - Rise: 10:14, Set: 19:48. Civil Dark: 16:50 - 07:01. Nautical Dark: 17:28 - 06:23. Astro Dark: 18:04 - 05:47

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

79
78
77
80
83
86
89
91
93
95
97
99
100
100
100
99
97
96
92
88
85
88
92
96

Medium Clouds (% Sky Obscured)

84
70
63
78
89
94
95
96
98
98
97
97
98
99
100
91
84
82
72
61
25
20
6
1

High Clouds (% Sky Obscured)

3
5
6
37
68
100
90
64
38
19
12
8
38
69
100
100
100
100
63
27
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
6
3
0
0
0
0
0
0
0
0
0
0
3
6
9
8
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
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
Snow
Snow

Precipitation Probability (%)

27
19
10
11
10
6
12
20
31
48
60
73
76
78
76
68
60
52
44
33
20
33
43
56

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

2
2
3
3
2
2
2
2
2
3
3
3
3
3
2
2
2
3
4
5
7
8
9
9

Chance of Frost

Temperature (°C)

-13
-13
-13
-13
-12
-11
-10
-10
-9
-9
-8
-8
-7
-6
-6
-5
-5
-4
-4
-3
-2
-2
-2
-2

Feels Like (°C)

-17
-17
-17
-16
-16
-17
-16
-14
-14
-15
-15
-15
-14
-10
-10
-9
-9
-8
-8
-7
-6
-7
-6
-6

Dew Point (°C)

-16
-15
-15
-15
-13
-13
-12
-11
-10
-10
-9
-9
-7
-7
-7
-5
-5
-5
-4
-4
-4
-4
-4
-4

Relative Humidity (%)

83
84
83
84
86
86
86
88
88
90
90
92
94
94
94
98
96
96
98
91
87
83
84
84

Pressure (mb)

1027
1027
1026
1026
1026
1025
1025
1024
1024
1023
1021
1020
1018
1018
1017
1016
1016
1016
1015
1015
1015
1014
1014
1015

Ozone (du)

336
338
339
341
343
346
349
348
348
347
347
346
346
348
350
352
354
357
359
363
366
369
369
369

Wednesday 24

Waxing Crescent 21%

10:36

21:00

Sun - Rise: 07:36, Set: 16:16, Transit: 11:56. Moon - Rise: 10:36, Set: 21:00. Civil Dark: 16:51 - 07:01. Nautical Dark: 17:28 - 06:23. Astro Dark: 18:05 - 05:47

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-Laurentien, Laurentides, Canada (45.81,-74.06)

Generated: 18/12/25 01:25:30. Forecast: 18/12/25 to 24/12/25. Timezone: UTC-5.00