Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 8

Waning Gibbous 57%

02:30

10:35

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

Sun - Rise: 06:16, Set: 19:31, Transit: 12:53. Moon - Rise: 02:30, Set: 10:35. Civil Dark: 20:01 - 05:45. Nautical Dark: 20:38 - 05:09. Astro Dark: 21:15 - 04:30

Total Clouds (% Sky Obscured)

32
42
8
39
28
17
6
6
6
3
2
5
11
72
79
61
38
43
43
42
31
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
17
38

Medium Clouds (% Sky Obscured)

2
24
2
19
28
17
0
0
0
0
0
0
8
29
30
18
8
41
30
26
1
100
93
100

High Clouds (% Sky Obscured)

2
5
4
23
4
0
2
1
1
1
1
1
3
72
71
37
38
37
43
42
31
100
100
72

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
3
20

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)

1
1
4
4
5
5
5
5
6
6
6
7
9
10
15
17
19
20
20
20
19
20
19
18

Chance of Frost

Temperature (°C)

1
1
-0
-0
-0
-0
0
0
0
0
1
3
6
8
10
11
13
14
15
15
14
13
12
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

51
52
54
56
60
60
61
59
58
58
56
46
38
35
33
32
33
33
34
35
38
41
44
45

Pressure (mb)

1034
1034
1034
1033
1033
1032
1032
1031
1031
1031
1031
1031
1030
1029
1028
1027
1026
1025
1024
1023
1022
1022
1022
1022

Ozone (du)

361
367
368
370
370
369
368
367
365
366
367
372
376
376
376
375
373
372
371
367
364
363
364
367

Thursday 9

Waning Gibbous 48%

03:08

11:41

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:14, Set: 19:32, Transit: 12:53. Moon - Rise: 03:08, Set: 11:41. Civil Dark: 20:02 - 05:43. Nautical Dark: 20:39 - 05:07. Astro Dark: 21:16 - 04:28

Total Clouds (% Sky Obscured)

87
91
59
87
100
98
99
88
92
100
100
100
100
100
100
100
100
100
100
100
100
99
98
99

Low Clouds (% Sky Obscured)

45
67
59
71
85
70
76
62
74
77
93
85
83
76
57
53
69
71
88
99
97
88
94
94

Medium Clouds (% Sky Obscured)

79
86
34
23
55
46
46
18
13
0
56
48
100
100
100
100
100
100
99
100
100
96
93
93

High Clouds (% Sky Obscured)

26
5
4
11
59
82
40
12
32
67
100
100
100
100
100
100
100
100
90
96
100
4
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
3
3
4
5
3
2
4
5
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None

Precipitation Probability (%)

27
8
20
7
5
12
16
6
4
14
1
1
3
54
86
95
95
95
95
95
95
95
77
56

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.6
1.1
1.7
1
1.4
2.1
1.4
0.9
0.3
0.2

Wind Speed/Direction (mph)

18
18
17
15
14
13
12
12
11
10
9
9
9
9
8
6
6
5
5
4
4
4
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

45
48
52
55
61
64
68
71
72
76
78
79
78
78
85
90
91
93
90
94
96
94
94
96

Pressure (mb)

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

Ozone (du)

363
360
362
361
364
365
364
366
367
365
366
363
362
356
344
338
336
340
340
342
344
350
350
349

Friday 10

Third Quarter 38%

03:39

12:50

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 OK
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Good

Sun - Rise: 06:12, Set: 19:33, Transit: 12:53. Moon - Rise: 03:39, Set: 12:50. Civil Dark: 20:04 - 05:42. Nautical Dark: 20:41 - 05:05. Astro Dark: 21:18 - 04:26

Total Clouds (% Sky Obscured)

100
98
96
98
99
92
87
98
91
92
90
68
44
72
77
72
72
71
70
73
58
63
55
9

Low Clouds (% Sky Obscured)

100
92
79
95
97
89
81
95
78
79
76
51
40
54
58
50
47
45
41
42
34
39
34
8

Medium Clouds (% Sky Obscured)

60
64
38
20
22
0
0
3
4
17
7
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)

0
0
0
0
0
2
9
9
9
9
7
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 (%)

29
33
25
11
11
10
11
20
18
15
4
3
3
1
2
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)

3
6
6
6
7
7
7
7
6
7
7
8
9
12
12
12
12
11
10
10
10
8
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
98
98
96
98
96
96
93
91
93
83
70
63
56
51
49
48
44
41
39
38
39
48
58

Pressure (mb)

1021
1021
1021
1021
1021
1022
1022
1022
1023
1023
1024
1025
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1028
1029

Ozone (du)

347
351
358
367
376
383
387
388
386
391
396
400
405
405
407
400
393
388
382
379
378
381
384
383

Saturday 11

Waning Crescent 28%

04:04

14:01

21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
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

Sun - Rise: 06:10, Set: 19:35, Transit: 12:52. Moon - Rise: 04:04, Set: 14:01. Civil Dark: 20:05 - 05:40. Nautical Dark: 20:42 - 05:03. Astro Dark: 21:20 - 04:23

Total Clouds (% Sky Obscured)

6
3
2
2
0
3
3
4
28
87
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

5
2
2
2
0
3
3
4
3
4
4
0
0
0
89
80
80
65
68
94
84
70
59
57

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
13
27
35
31
41
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

0
0
0
0
0
1
2
2
28
69
100
100
100
100
100
100
100
100
100
98
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
None
None
None
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
16
11
7
19
32
42
53
69
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
0
0.3
0.7
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
64
69
74
80
84
88
89
89
87
81
70
62
54
51
52
53
52
51
49
51
53
57
70

Pressure (mb)

1029
1030
1030
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1031
1029
1029
1027
1026
1024
1022
1021
1019
1018

Ozone (du)

382
379
372
371
371
369
368
367
366
366
370
372
373
374
371
366
364
363
363
359
355
351
350
346

Sunday 12

Waning Crescent 19%

04:25

15:14

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:08, Set: 19:36, Transit: 12:52. Moon - Rise: 04:25, Set: 15:14. Civil Dark: 20:06 - 05:38. Nautical Dark: 20:44 - 05:01. Astro Dark: 21:22 - 04:21

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
99
89
78
68
69

Low Clouds (% Sky Obscured)

52
50
45
40
39
45
55
65
79
90
96
98
99
100
100
100
99
99
98
98
78
69
63
69

Medium Clouds (% Sky Obscured)

100
100
97
95
94
94
96
97
97
97
98
98
99
100
87
70
43
32
23
15
19
26
27
33

High Clouds (% Sky Obscured)

100
100
100
100
100
99
98
97
98
99
100
100
100
100
68
35
3
9
15
16
19
27
34
24

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

95
95
95
95
95
95
95
77
83
95
95
95
95
95
87
63
25
35
49
59
56
61
65
67

Precipitation Amount (mm)

1.5
0.9
1
1.7
1.1
1.1
0.6
0.3
0.4
1
0.9
1.6
1.6
1.2
0.6
0.3
0
0
0
0.2
0
0
0.2
0.3

Wind Speed/Direction (mph)

13
16
19
20
20
19
19
18
17
17
17
17
16
16
15
14
13
12
12
11
11
10
9
9

Chance of Frost

Temperature (°C)

9
10
10
11
11
11
11
11
11
11
12
12
12
12
13
15
17
19
19
19
19
18
17
16

Feels Like (°C)

3
4
2
2
2
4
4
4
5
5
6
5
6
6
6
6
6
5
15
14
14
14
15
16

Dew Point (°C)

5
7
7
7
7
8
9
9
9
9
9
9
10
11
12
13
13
14
14
13
13
13
13
13

Relative Humidity (%)

73
81
81
80
80
83
84
85
88
84
86
86
89
90
92
86
79
75
72
70
68
73
77
82

Pressure (mb)

1016
1015
1013
1012
1011
1010
1010
1009
1009
1008
1007
1007
1006
1006
1006
1006
1006
1005
1005
1005
1005
1006
1006
1006

Ozone (du)

343
343
343
339
339
338
337
334
333
330
334
337
337
336
335
334
332
330
331
332
333
333
333
334

Monday 13

Waning Crescent 11%

04:45

16:28

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
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad

Sun - Rise: 06:07, Set: 19:37, Transit: 12:52. Moon - Rise: 04:45, Set: 16:28. Civil Dark: 20:08 - 05:36. Nautical Dark: 20:45 - 04:59. Astro Dark: 21:23 - 04:19

Total Clouds (% Sky Obscured)

71
69
81
93
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

71
69
81
93
100
100
100
100
100
100
100
100
100
100
94
88
81
68
54
40
27
13
15
39

Medium Clouds (% Sky Obscured)

36
44
36
32
28
31
34
37
45
52
57
66
74
82
84
87
93
86
77
67
46
28
12
25

High Clouds (% Sky Obscured)

11
1
16
32
48
51
56
67
68
68
56
47
38
29
43
59
76
89
95
100
98
97
96
98

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

73
87
72
52
29
28
30
30
25
23
16
20
33
55
73
83
84
90
90
78
66
67
66
69

Precipitation Amount (mm)

0.4
0.7
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.4
0.6
0.6
0.4
0.3
0.3
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
13
14
13
13
12
11
10
9
10
10
10
6
7
7
7
8
8
6
6
6
6
6
6

Dew Point (°C)

13
13
13
13
12
11
11
10
10
9
7
6
5
5
5
6
7
8
8
8
8
8
9
9

Relative Humidity (%)

85
86
86
86
86
84
87
89
90
88
85
81
81
80
79
82
85
90
90
90
91
93
95
96

Pressure (mb)

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

Ozone (du)

331
329
327
325
323
322
322
322
322
322
322
322
321
321
321
320
319
318
318
318
318
319
320
322

Tuesday 14

Waning Crescent 5%

05:04

17:43

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
13 Bad

Sun - Rise: 06:05, Set: 19:38, Transit: 12:52. Moon - Rise: 05:04, Set: 17:43. Civil Dark: 20:09 - 05:34. Nautical Dark: 20:47 - 04:57. Astro Dark: 21:25 - 04:16

Total Clouds (% Sky Obscured)

100
99
92
85
78
84
92
100
92
85
79
79
78
76
84
92
100

Low Clouds (% Sky Obscured)

60
77
81
85
78
84
92
100
92
85
71
70
77
76
77
73
71

Medium Clouds (% Sky Obscured)

28
30
39
39
39
31
28
24
28
28
32
33
34
35
37
41
40

High Clouds (% Sky Obscured)

99
99
87
49
24
23
22
31
61
59
51
60
69
52
61
79
100

ISS Passover

Visibility (miles)

4
4
3
5
6
7
8
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

Precipitation Type

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

Precipitation Probability (%)

80
93
95
95
95
95
95
83
71
58
50
47
44
44
70
84
92

Precipitation Amount (mm)

0.5
0.7
1
1.3
2.1
1.5
1
0.5
0.4
0.2
0
0
0
0
0.4
0.6
0.7

Wind Speed/Direction (mph)

3
4
5
7
9
12
12
11
12
11
11
11
10
10
9
9
9

Chance of Frost

Temperature (°C)

10
10
11
11
11
10
8
5
3
2
1
0
1
2
3
4
4

Feels Like (°C)

9
9
10
10
10
10
7
5
3
2
1
1
-5
-4
-4
-4
-4

Dew Point (°C)

10
10
11
10
10
9
6
2
-1
-3
-4
-6
-6
-6
-6
-8
-9

Relative Humidity (%)

98
98
98
98
95
93
87
80
74
72
67
64
59
54
51
44
38

Pressure (mb)

1007
1006
1006
1007
1007
1008
1010
1011
1013
1015
1017
1018
1019
1020
1020
1020
1020

Ozone (du)

322
322
322
327
332
336
339
341
343
344
345
346
346
346
346
344
342

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

Generated: 08/04/26 20:23:10. Forecast: 08/04/26 to 14/04/26. Timezone: UTC-4.00