Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 25

Waxing Gibbous 89%

19:07

02:04

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

Sun - Rise: 05:28, Set: 20:30, Transit: 12:58. Moon - Rise: 19:07, Set: 02:04. Civil Dark: 21:05 - 04:53. Nautical Dark: 21:51 - 04:08. Astro Dark: 22:46 - 03:13

Total Clouds (% Sky Obscured)

92
100
85
72
90
97
96
100
100
100
100
99
70
77
84
84
82
88
100
89
88
74
60
56

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
1
4
23
14
7
12
13
3

Medium Clouds (% Sky Obscured)

13
4
18
18
12
52
83
80
92
38
28
34
28
72
84
46
32
41
58
61
87
49
43
44

High Clouds (% Sky Obscured)

92
68
85
72
82
93
90
100
100
100
100
97
39
31
35
35
45
40
35
38
34
14
4
4

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
1
2
2
1
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
1
1
2
7
5
3
2
2
3

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

Chance of Frost

Temperature (°C)

25
23
22
21
19
18
17
17
17
18
18
18
21
23
24
25
26
28
28
27
27
27
27
26

Feels Like (°C)

27
25
22
21
19
18
17
17
17
18
18
18
21
23
24
25
27
28
29
28
28
28
29
31

Dew Point (°C)

19
19
17
16
14
13
13
12
14
15
15
15
15
17
17
17
17
18
17
16
16
19
18
20

Relative Humidity (%)

69
74
73
73
72
73
76
75
79
83
83
81
71
68
64
61
56
54
52
51
51
58
59
68

Pressure (mb)

1014
1014
1014
1014
1014
1013
1013
1013
1012
1012
1013
1013
1013
1013
1012
1012
1012
1011
1010
1010
1010
1010
1009
1009

Ozone (du)

326
324
323
321
320
319
319
319
320
320
322
324
325
327
327
328
329
332
335
335
335
335
334
332

Sunday 26

Waxing Gibbous 94%

19:46

03:01

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

Sun - Rise: 05:30, Set: 20:29, Transit: 12:58. Moon - Rise: 19:46, Set: 03:01. Civil Dark: 21:04 - 04:55. Nautical Dark: 21:49 - 04:09. Astro Dark: 22:44 - 03:16

Total Clouds (% Sky Obscured)

59
75
59
63
42
68
77
75
68
69
55
72
77
77
69
78
83
82
85
96
99
99
43
13

Low Clouds (% Sky Obscured)

1
0
0
0
0
26
29
41
54
60
54
52
55
58
42
47
40
37
42
39
29
10
23
0

Medium Clouds (% Sky Obscured)

50
40
30
30
34
55
67
54
45
47
17
31
39
33
13
7
37
28
0
2
2
2
3
2

High Clouds (% Sky Obscured)

4
25
23
34
4
7
3
4
2
3
5
2
2
15
30
55
62
67
69
72
65
57
7
11

ISS Passover

Visibility (miles)

9
9
4
4
9
9
4
9
9
9
9
9
9
9
9
9
9
9
8
8
9
9
2
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 (%)

5
21
45
30
25
22
30
26
8
1
1
0
0
25
45
34
35
39
41
27
14
33
39
44

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

24
23
23
22
21
20
20
19
19
19
19
20
21
23
24
25
26
26
27
27
27
27
26
26

Feels Like (°C)

28
26
24
23
22
22
21
21
21
21
20
23
25
26
26
27
28
29
29
29
28
28
29
29

Dew Point (°C)

19
19
19
19
18
18
18
18
18
18
17
19
19
20
19
18
18
17
16
16
16
19
20
21

Relative Humidity (%)

71
77
80
84
84
86
89
92
91
92
92
92
88
83
73
67
61
56
52
50
50
61
69
76

Pressure (mb)

1009
1009
1010
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1010
1009
1008
1008
1008
1008
1007
1007

Ozone (du)

330
330
330
328
325
324
323
322
323
325
327
330
331
331
331
330
331
332
333
334
333
333
333
332

Monday 27

Waxing Gibbous 98%

No Rise

04:05

20 OK
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 OK
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

Sun - Rise: 05:31, Set: 20:27, Transit: 12:58. Moon - Rise: No Rise, Set: 04:05. Civil Dark: 21:02 - 04:56. Nautical Dark: 21:47 - 04:11. Astro Dark: 22:41 - 03:18

Total Clouds (% Sky Obscured)

30
35
39
66
60
52
54
46
36
42
56
67
72
69
53
53
53
83
89
94
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
6
44
34
28
38
46
36
42
38
36
42
35
34
34
50
62
59
51
49
35
39
27

Medium Clouds (% Sky Obscured)

2
3
38
40
25
29
24
4
2
6
12
39
42
17
11
8
15
17
21
26
28
35
41
77

High Clouds (% Sky Obscured)

30
35
39
16
21
42
28
5
0
1
25
21
35
37
18
23
5
38
60
81
99
99
100
100

ISS Passover

Visibility (miles)

8
9
9
9
9
5
9
9
9
9
9
4
4
9
9
9
9
8
9
9
9
9
8
8

Fog (%)

0
0
0
0
0
1
1
1
0
0
4
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

20
43
28
17
31
19
42
3
0
27
38
40
28
2
2
9
15
32
24
20
29
61
82
82

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0
0
0
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0.5
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

24
23
21
20
20
19
19
18
18
18
18
20
21
23
25
26
28
29
29
29
30
30
28
27

Feels Like (°C)

28
24
22
21
21
20
20
20
20
21
21
22
22
23
26
27
28
30
29
29
29
30
26
27

Dew Point (°C)

21
20
19
17
17
18
17
17
17
17
18
19
20
21
21
19
20
20
20
19
19
20
23
24

Relative Humidity (%)

80
83
87
85
85
89
91
92
92
93
95
95
92
88
78
65
60
57
55
53
51
56
74
84

Pressure (mb)

1008
1008
1008
1007
1007
1007
1007
1006
1006
1006
1006
1006
1006
1006
1005
1005
1005
1004
1004
1003
1003
1003
1003
1003

Ozone (du)

331
329
328
329
330
332
333
334
336
338
336
335
333
331
331
329
330
329
329
330
329
329
329
328

Tuesday 28

Waxing Gibbous 100%

20:18

05:13

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

Sun - Rise: 05:32, Set: 20:26, Transit: 12:58. Moon - Rise: 20:18, Set: 05:13. Civil Dark: 21:01 - 04:57. Nautical Dark: 21:46 - 04:13. Astro Dark: 22:39 - 03:20

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
95
91
85
90
95
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

22
21
15
25
10
5
5
5
10
20
10
15
15
10
5
28
52
75
76
78
80
79
77
76

Medium Clouds (% Sky Obscured)

76
73
67
60
56
44
36
28
25
50
73
92
96
98
100
99
99
98
99
99
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
95
91
85
90
95
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

2
2
2
2
2
2
3
1
2
2
3
1
1
1
1
1
1
4
4
3
3
3
4
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
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
94
95
95
95
95
95
95

Precipitation Amount (mm)

1.3
1.7
2
1.6
1.3
1.5
2.3
4.1
2.2
1.2
2
3.5
1.8
1.1
2.5
1.9
0.8
0.5
0.8
1
1.2
1.2
1.3
1.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

26
25
24
23
22
21
20
19
18
18
18
19
19
20
21
22
22
22
23
21
20
19
18
18

Feels Like (°C)

27
27
27
24
23
21
20
20
19
19
20
20
21
21
22
22
21
21
22
21
20
18
18
18

Dew Point (°C)

24
24
23
23
22
21
20
19
18
17
18
19
19
20
21
21
22
22
22
21
20
18
18
18

Relative Humidity (%)

91
94
94
97
96
96
98
98
98
98
100
98
100
96
96
96
98
96
98
96
98
96
96
98

Pressure (mb)

1003
1003
1003
1004
1004
1004
1004
1004
1004
1004
1005
1005
1005
1006
1006
1006
1007
1007
1007
1007
1007
1008
1008
1008

Ozone (du)

328
329
328
328
328
327
328
329
330
331
333
333
333
334
334
333
333
334
334
335
333
333
331
331

Wednesday 29

Full Moon 100%

20:43

06:23

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

Sun - Rise: 05:33, Set: 20:25, Transit: 12:58. Moon - Rise: 20:43, Set: 06:23. Civil Dark: 21:00 - 04:58. Nautical Dark: 21:44 - 04:14. Astro Dark: 22:37 - 03:22

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)

79
73
72
71
69
71
70
69
75
76
75
76
73
76
76
76
80
80
84
86
88
81
73
55

Medium Clouds (% Sky Obscured)

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

High 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

ISS Passover

Visibility (miles)

4
5
4
5
5
9
9
9
9
9
9
9
9
8
8
7
8
8
9
9
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
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

95
95
95
95
95
85
75
67
64
65
65
68
95
82
68
63
61
58
60
60
59
64
65
62

Precipitation Amount (mm)

1.2
1.1
0.9
0.8
0.6
0.5
0.4
0.3
0.3
0.4
0.3
0.3
0.7
0.5
0.4
0.3
0.2
0.2
0.2
0.2
0.2
0.3
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
18
18
18
18
18
18
18
18
18
18
18
18
19
19
19
19
19
19
19
20
20
20
20

Feels Like (°C)

18
18
19
18
19
18
18
18
18
18
18
18
17
18
18
18
18
18
18
18
18
18
18
19

Dew Point (°C)

18
18
18
17
18
17
17
18
18
18
18
18
18
18
18
18
18
18
18
18
19
19
19
19

Relative Humidity (%)

98
98
98
96
96
95
95
96
96
96
96
96
95
95
95
95
95
95
95
93
95
93
93
95

Pressure (mb)

1008
1009
1009
1009
1009
1008
1008
1008
1008
1008
1008
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1009
1010
1010

Ozone (du)

332
333
333
333
334
334
335
335
336
336
336
337
337
335
334
333
332
331
330
331
331
331
330
329

Thursday 30

Waning Gibbous 97%

21:04

07:33

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

Sun - Rise: 05:34, Set: 20:24, Transit: 12:58. Moon - Rise: 21:04, Set: 07:33. Civil Dark: 20:58 - 05:00. Nautical Dark: 21:43 - 04:16. Astro Dark: 22:35 - 03:24

Total Clouds (% Sky Obscured)

96
91
85
88
90
93
89
85
82
55
28
2
13
25
40
40
44
49
48
55
55
54
58
54

Low Clouds (% Sky Obscured)

49
44
53
62
58
55
36
28
24
16
8
0
12
25
40
40
44
49
48
55
55
25
13
5

Medium Clouds (% Sky Obscured)

93
90
85
78
66
57
40
35
34
43
28
2
13
25
31
37
41
49
36
28
25
33
45
54

High Clouds (% Sky Obscured)

79
49
24
35
56
77
73
67
66
49
28
2
13
24
29
22
15
10
24
35
33
22
25
18

ISS Passover

Visibility (miles)

4
6
7
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

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

Precipitation Probability (%)

59
60
65
59
43
12
28
32
30
23
17
12
13
14
16
23
30
37
31
25
18
16
13
2

Precipitation Amount (mm)

0.2
0.2
0.3
0.3
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
7
7
7
7
6
6
5
5
5
5
5
5
4
4
4
4
3
3
3
3
3
3
3

Chance of Frost

Temperature (°C)

20
19
19
19
18
18
17
17
17
16
17
18
19
20
21
22
23
23
24
24
25
25
24
23

Feels Like (°C)

20
19
19
19
18
18
17
17
17
16
17
17
18
20
20
21
22
23
25
24
25
25
24
24

Dew Point (°C)

19
19
18
18
17
17
16
16
16
16
16
17
18
19
20
20
21
22
23
23
24
24
23
22

Relative Humidity (%)

95
95
95
95
95
95
95
93
95
95
93
93
92
91
92
91
91
92
92
94
92
92
92
91

Pressure (mb)

1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010

Ozone (du)

328
329
331
332
332
332
333
333
333
334
334
334
334
334
333
333
333
332
332
331
331
331
332
333

Friday 31

Waning Gibbous 93%

21:23

08:42

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
13 Bad

Sun - Rise: 05:35, Set: 20:22, Transit: 12:58. Moon - Rise: 21:23, Set: 08:42. Civil Dark: 20:57 - 05:01. Nautical Dark: 21:41 - 04:17. Astro Dark: 22:32 - 03:26

Total Clouds (% Sky Obscured)

61
66
70
66
64
65
62
56
49
59
68
77
72
62
60
58
55
53

Low Clouds (% Sky Obscured)

5
5
5
3
2
0
1
1
1
8
16
23
23
26
27
26
25
28

Medium Clouds (% Sky Obscured)

61
66
70
66
49
34
27
26
28
33
36
38
40
39
38
37
35
31

High Clouds (% Sky Obscured)

10
4
1
1
0
0
0
0
0
0
0
0
0
0
0
0
1
1

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

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

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)

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

Chance of Frost

Temperature (°C)

22
22
21
20
20
20
19
19
19
18
19
20
20
22
23
25
26
27

Feels Like (°C)

23
22
21
21
21
22
22
20
20
20
19
19
18
23
24
24
25
26

Dew Point (°C)

21
20
20
19
19
19
19
18
18
17
18
18
19
19
20
20
21
21

Relative Humidity (%)

91
91
92
92
93
95
95
95
95
95
93
92
91
85
80
76
75
71

Pressure (mb)

1010
1010
1011
1011
1011
1011
1011
1010
1010
1010
1010
1011
1011
1011
1010
1010
1010
1009

Ozone (du)

334
334
333
333
334
334
335
335
335
334
332
330
328
327
327
327
327
326

Forecast for Sorel-Tracy, Montérégie, Canada (46.04,-73.11)

Generated: 25/07/26 20:47:27. Forecast: 25/07/26 to 31/07/26. Timezone: UTC-4.00