Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 9

Waning Gibbous 65%

21:40

11:43

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 07:21, Set: 16:09, Transit: 11:45. Moon - Rise: 21:40, Set: 11:43. Civil Dark: 16:43 - 06:47. Nautical Dark: 17:20 - 06:10. Astro Dark: 17:56 - 05:34

Total Clouds (% Sky Obscured)

67
74
80
100
100
100
100
100
100
100
96
96
96
92
98
95
94
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
5
5
5
8
5
89
91
84
83
84
79
87
96
87
81
86
81
70
79
78
95
100

Medium Clouds (% Sky Obscured)

67
74
80
100
100
100
100
100
100
100
90
70
79
84
66
91
89
97
99
100
100
100
100
100

High Clouds (% Sky Obscured)

67
74
80
82
100
100
81
79
30
0
4
8
2
30
26
35
49
96
100
96
100
100
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

3
1
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
Snow
Snow
None
Snow
Snow
None
None
None
None
None
Snow
Snow
Snow
Snow
Snow
Snow

Precipitation Probability (%)

0
0
0
0
0
0
17
24
51
53
38
44
47
25
24
23
20
26
36
50
65
94
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0.2
0
0.2
0.2
0
0
0
0
0
0.1
0.2
0.4
0.8
1.2
1.5

Wind Speed/Direction (mph)

7
6
2
6
5
5
5
7
9
11
11
11
10
9
10
10
10
9
9
7
7
7
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-15
-14
-14
-14
-14
-15
-16
-15
-15
-15
-14
-14
-14
-14
-13
-12
-12
-11
-11
-9
-8
-7
-6
-6

Dew Point (°C)

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

Relative Humidity (%)

72
72
74
75
78
78
77
72
71
80
79
80
89
85
76
76
77
77
85
94
96
94
96
96

Pressure (mb)

1018
1017
1016
1015
1014
1013
1012
1011
1010
1009
1009
1008
1007
1006
1005
1005
1004
1004
1003
1002
1002
1001
999
997

Ozone (du)

430
428
424
419
423
426
424
419
417
407
400
394
385
378
364
349
340
338
337
334
332
332
334
330

Wednesday 10

Waning Gibbous 55%

22:52

12:01

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 07:22, Set: 16:10, Transit: 11:46. Moon - Rise: 22:52, Set: 12:01. Civil Dark: 16:43 - 06:48. Nautical Dark: 17:20 - 06:11. Astro Dark: 17:56 - 05:35

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

100
95
91
87
86
80
89
88
90
89
92
92
88
90
92
93
92
92
90
87
84
89
94
90

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
99
100
100
98
54
62
56
53
52
55
81
88
88
87

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
34
100
86
63
74
85
85
5
16
1
0
0
1
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
2
0
0
0
0
0
5
6
9
9
9
4
1
1
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

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

Precipitation Probability (%)

95
95
91
77
79
70
49
62
72
83
91
94
89
69
68
76
65
52
46
43
41
37
49
56

Precipitation Amount (mm)

1.2
0.7
0.7
0.4
0.5
0.4
0.2
0.3
0.3
0.5
0.6
0.7
0.6
0.3
0.3
0.4
0.3
0.2
0.1
0.1
0.1
0
0.2
0.3

Wind Speed/Direction (mph)

8
8
7
6
5
4
5
5
5
6
6
6
6
7
8
8
13
13
13
12
14
16
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-6
-5
-6
-5
-5
-6
-6
-6
-5
-6
-5
-6
-7
-9
-10
-12
-14
-15
-15
-15
-16
-17
-17

Dew Point (°C)

-2
-2
-2
-2
-2
-2
-2
-2
-2
-1
-1
-1
-0
-1
-3
-4
-6
-9
-9
-9
-9
-10
-10
-10

Relative Humidity (%)

96
96
98
98
98
98
98
96
94
98
98
98
100
98
89
87
82
82
80
80
80
83
85
88

Pressure (mb)

996
994
993
993
992
992
991
990
989
989
988
988
987
987
988
989
990
991
992
993
993
994
994
994

Ozone (du)

329
331
331
336
340
345
355
352
348
341
346
352
353
353
356
360
363
365
368
374
378
378
388
398

Thursday 11

Third Quarter 44%

00:00

12:18

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 07:22, Set: 16:10, Transit: 11:46. Moon - Rise: 00:00, Set: 12:18. Civil Dark: 16:43 - 06:49. Nautical Dark: 17:21 - 06:11. Astro Dark: 17:56 - 05:36

Total Clouds (% Sky Obscured)

95
96
98
98
98
100
99
99
99
97
100
99
99
97
97
98
97
99
97
94
88
70
77
51

Low Clouds (% Sky Obscured)

88
90
92
97
95
99
92
89
88
88
92
93
98
92
91
92
91
83
79
73
69
58
55
37

Medium Clouds (% Sky Obscured)

85
89
94
95
95
95
95
98
97
94
100
98
96
93
94
86
76
71
51
45
53
33
35
35

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
6
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
7
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

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

Precipitation Probability (%)

55
60
62
66
72
74
72
68
63
56
48
49
50
51
49
43
29
9
5
3
1
3
1
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

16
16
16
16
16
15
15
16
17
17
17
17
17
17
17
18
17
18
17
17
17
16
16
16

Chance of Frost

Temperature (°C)

-9
-9
-10
-10
-11
-11
-11
-11
-11
-11
-11
-11
-11
-11
-10
-10
-10
-10
-11
-11
-11
-11
-10
-9

Feels Like (°C)

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

Dew Point (°C)

-10
-11
-11
-12
-12
-12
-12
-12
-12
-12
-12
-13
-13
-13
-13
-13
-13
-13
-13
-13
-13
-13
-12
-12

Relative Humidity (%)

88
88
88
88
88
88
90
88
88
88
86
85
85
85
83
81
80
80
81
81
81
83
83
83

Pressure (mb)

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

Ozone (du)

394
394
399
399
397
398
398
400
401
403
403
397
395
390
386
380
372
372
367
367
370
364
363
362

Friday 12

Waning Crescent 34%

01:06

12:34

13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
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

Sun - Rise: 07:23, Set: 16:10, Transit: 11:47. Moon - Rise: 01:06, Set: 12:34. Civil Dark: 16:43 - 06:49. Nautical Dark: 17:21 - 06:12. Astro Dark: 17:57 - 05:36

Total Clouds (% Sky Obscured)

51
53
68
81
81
85
76
56
21
62
77
84
85
82
82
85
93
100
99
99
99
99
98
99

Low Clouds (% Sky Obscured)

44
45
58
70
69
71
70
51
13
62
77
84
85
76
82
59
16
96
93
92
91
86
88
89

Medium Clouds (% Sky Obscured)

38
34
28
32
40
41
31
20
9
5
3
3
71
41
69
71
87
100
98
96
94
93
86
91

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
5
5
5
3
10
5
5
0
0
0
0
0

ISS Passover

Visibility (miles)

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

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
None
Snow
Snow
Snow

Precipitation Probability (%)

1
2
2
3
2
2
2
4
3
3
1
0
0
0
0
2
3
3
13
33
38
39
40
42

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0
0.1
0.1
0.1

Wind Speed/Direction (mph)

16
15
14
13
12
10
9
9
8
7
6
6
5
4
4
4
4
4
5
5
6
7
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-15
-14
-14
-14
-14
-13
-14
-15
-15
-15
-16
-17
-17
-17
-17
-16
-16
-14
-13
-12
-11
-10
-9
-8

Dew Point (°C)

-11
-11
-11
-11
-11
-11
-11
-12
-13
-13
-14
-14
-15
-14
-15
-13
-14
-11
-10
-9
-8
-7
-6
-5

Relative Humidity (%)

82
82
82
82
85
87
90
90
88
88
86
88
88
88
86
88
88
88
88
88
90
90
87
87

Pressure (mb)

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

Ozone (du)

364
363
364
367
370
366
361
361
359
360
366
354
346
351
362
367
362
365
367
365
368
367
365
367

Saturday 13

Waning Crescent 25%

02:11

12:51

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 07:24, Set: 16:10, Transit: 11:47. Moon - Rise: 02:11, Set: 12:51. Civil Dark: 16:44 - 06:50. Nautical Dark: 17:21 - 06:13. Astro Dark: 17:57 - 05:37

Total Clouds (% Sky Obscured)

99
99
99
95
95
84
93
92
89
96
97
97
76
88
100
100
100
100
93
87
80
84
85
85

Low Clouds (% Sky Obscured)

89
89
90
76
62
50
45
45
49
68
82
88
56
52
44
51
62
75
71
74
74
72
66
60

Medium Clouds (% Sky Obscured)

93
94
56
28
12
3
3
1
3
47
42
56
63
87
100
100
100
100
93
87
80
77
68
62

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

0
0
0
1
9
9
9
8
5
7
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

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

Precipitation Probability (%)

44
57
50
44
43
42
33
23
18
11
8
4
19
12
2
8
9
5
11
12
9
9
7
3

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-3
-2
-2
-2
-3
-4
-5
-6
-6
-7
-7
-9
-11
-10
-12
-13
-13
-14
-14
-14
-14
-13
-13
-13

Feels Like (°C)

-7
-7
-7
-7
-8
-9
-10
-11
-11
-12
-13
-15
-16
-14
-14
-15
-15
-15
-16
-19
-19
-19
-19
-19

Dew Point (°C)

-4
-3
-3
-2
-5
-6
-7
-7
-7
-8
-10
-12
-14
-13
-14
-15
-15
-16
-16
-17
-16
-16
-15
-16

Relative Humidity (%)

92
91
96
94
82
85
87
87
90
90
79
77
78
80
83
83
84
84
84
82
81
81
81
78

Pressure (mb)

1010
1010
1010
1010
1011
1012
1013
1013
1014
1014
1015
1015
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

365
365
363
356
350
349
350
351
350
350
351
351
349
349
349
350
356
362
368
378
388
398
396
394

Sunday 14

Waning Crescent 17%

03:16

No Set

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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 07:25, Set: 16:10, Transit: 11:48. Moon - Rise: 03:16, Set: No Set. Civil Dark: 16:44 - 06:51. Nautical Dark: 17:21 - 06:14. Astro Dark: 17:57 - 05:38

Total Clouds (% Sky Obscured)

87
90
93
74
60
55
60
60
65
70
70
75
90
90
95
95
95
90
85
69
69
67
64
67

Low Clouds (% Sky Obscured)

40
20
0
13
42
55
60
60
30
20
5
0
0
0
0
0
0
5
10
20
25
24
23
22

Medium Clouds (% Sky Obscured)

61
59
57
38
19
0
0
0
0
18
37
59
58
57
56
41
27
16
11
7
4
2
1
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
7
4
2
1
1
0
0
0
0
0
0
0
2
5
7
7
7
7
7
8
8
8
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
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

9
9
3
20
26
27
29
31
30
33
36
34
33
32
21
25
23
14
16
13
4
10
10
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.1
0.1
0.1
0.1
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-12
-13
-14
-14
-15
-15
-15
-15
-15
-15
-15
-15
-14
-13
-12
-12
-12
-13
-14
-14
-13
-13
-13
-12

Feels Like (°C)

-19
-18
-18
-19
-20
-21
-21
-21
-21
-22
-22
-22
-21
-19
-19
-20
-19
-20
-20
-21
-21
-21
-21
-21

Dew Point (°C)

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

Relative Humidity (%)

78
79
81
81
82
84
88
86
86
84
86
84
84
83
81
81
81
83
83
84
83
84
84
85

Pressure (mb)

1016
1017
1017
1018
1018
1019
1020
1020
1020
1021
1021
1022
1022
1023
1023
1024
1025
1026
1027
1027
1028
1028
1028
1028

Ozone (du)

392
389
385
382
377
372
367
362
356
351
351
351
350
351
351
352
352
352
353
340
327
315
306
297

Monday 15

Waning Crescent 11%

04:22

13:11

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
04 Bad
05 Bad
06 Bad

Sun - Rise: 07:25, Set: 16:10, Transit: 11:48. Moon - Rise: 04:22, Set: 13:11. Civil Dark: 16:44 - 06:52. Nautical Dark: 17:22 - 06:14. Astro Dark: 17:57 - 05:38

Total Clouds (% Sky Obscured)

74
82
85
90
100
100
100
99
94
88
69
52
47
41
40
40
39
43

Low Clouds (% Sky Obscured)

23
29
35
45
55
60
67
65
62
52
39
22
22
23
24
23
30
38

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

1
1
2
4
4
4
10
14
20
17
16
30
24
14
0
0
0
0

ISS Passover

Visibility (miles)

9
7
6
4
3
3
2
2
3
4
3
3
2
3
3
3
5
7

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
None
None
None
None
None
None
None
None

Precipitation Probability (%)

11
10
2
13
17
10
15
14
4
9
8
3
4
2
1
5
5
2

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

-11
-12
-12
-12
-13
-13
-13
-14
-15
-15
-16
-17
-19
-19
-19
-19
-18
-18

Feels Like (°C)

-21
-19
-18
-18
-19
-18
-19
-20
-20
-19
-19
-19
-20
-24
-23
-23
-23
-23

Dew Point (°C)

-13
-14
-14
-14
-15
-15
-15
-16
-16
-16
-17
-19
-20
-21
-21
-21
-20
-20

Relative Humidity (%)

86
85
85
84
84
86
86
86
88
88
87
86
85
85
85
85
85
85

Pressure (mb)

1027
1027
1028
1028
1028
1029
1029
1029
1029
1029
1029
1030
1030
1030
1030
1031
1031
1031

Ozone (du)

288
289
289
289
286
284
282
284
286
288
293
299
304
307
311
314
310
306

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

Generated: 09/12/25 13:15:29. Forecast: 09/12/25 to 15/12/25. Timezone: UTC-5.00