Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 24

Waxing Gibbous 82%

18:23

01:16

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

Sun - Rise: 05:28, Set: 20:34, Transit: 13:01. Moon - Rise: 18:23, Set: 01:16. Civil Dark: 21:11 - 04:52. Nautical Dark: 21:57 - 04:06. Astro Dark: 22:55 - 03:09

Total Clouds (% Sky Obscured)

32
21
16
2
7
9
8
8
3
0
0
1
0
3
14
20
29
34
43
81
24
59
45
40

Low Clouds (% Sky Obscured)

8
0
0
0
0
8
8
0
0
0
0
0
0
3
14
20
29
34
39
39
22
17
0
0

Medium Clouds (% Sky Obscured)

2
2
9
2
7
6
6
7
3
0
0
0
0
0
0
0
0
2
17
22
3
5
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
0
0
0
0
0
0
3
45
4
45
45
35

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

Chance of Frost

Temperature (°C)

19
17
16
15
16
15
15
15
15
15
17
19
20
21
22
23
24
24
24
25
24
24
23
20

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
85
83
84
85
82
79
76
78
78
74
58
46
42
41
40
40
40
41
39
39
46
59
75

Pressure (mb)

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

Ozone (du)

352
351
350
348
348
345
345
344
343
340
336
333
334
333
332
333
332
330
328
327
325
324
325
326

Saturday 25

Waxing Gibbous 89%

19:12

02:04

21 OK
22 OK
23 OK
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 OK

Sun - Rise: 05:29, Set: 20:33, Transit: 13:01. Moon - Rise: 19:12, Set: 02:04. Civil Dark: 21:10 - 04:54. Nautical Dark: 21:56 - 04:07. Astro Dark: 22:53 - 03:11

Total Clouds (% Sky Obscured)

26
40
43
85
84
99
97
95
98
100
100
89
99
94
93
90
95
88
85
88
89
94
76
25

Low Clouds (% Sky Obscured)

0
0
0
16
5
37
31
26
0
0
0
2
5
17
32
37
30
35
67
65
50
44
2
0

Medium Clouds (% Sky Obscured)

0
0
0
5
20
25
43
60
87
89
96
71
48
67
81
81
92
72
66
67
62
55
66
25

High Clouds (% Sky Obscured)

19
30
33
72
62
96
88
76
90
85
66
40
44
29
38
0
0
3
4
4
5
11
30
24

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
3
4
6
5
8
4
6
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
Light Rain
Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
1
1
2
9
26
53
60
53
56
50
53
73
41
12

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.5
0.3
0.4
0.3
0.3
0.5
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

18
17
16
16
16
16
16
16
16
16
18
19
20
22
21
22
21
21
21
21
21
21
20
19

Feels Like (°C)

18
17
16
16
15
16
15
16
15
16
18
18
19
21
21
21
23
23
23
23
22
23
20
20

Dew Point (°C)

14
14
14
13
12
12
11
12
13
13
14
13
13
16
13
11
16
18
16
16
16
18
17
17

Relative Humidity (%)

81
83
85
83
79
77
75
77
81
83
81
71
63
72
61
52
73
84
76
75
74
86
86
90

Pressure (mb)

1015
1015
1015
1015
1015
1014
1014
1014
1013
1014
1014
1014
1013
1013
1013
1012
1012
1012
1011
1011
1011
1011
1010
1010

Ozone (du)

326
326
323
321
320
319
322
323
325
327
330
333
336
337
336
334
334
333
331
331
328
326
325
325

Sunday 26

Waxing Gibbous 94%

19:51

03:01

21 OK
22 Bad
23 OK
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: 05:30, Set: 20:31, Transit: 13:01. Moon - Rise: 19:51, Set: 03:01. Civil Dark: 21:08 - 04:55. Nautical Dark: 21:54 - 04:09. Astro Dark: 22:50 - 03:14

Total Clouds (% Sky Obscured)

10
5
11
10
30
47
71
99
93
90
94
99
100
93
100
91
89
75
85
87
89
81
83
81

Low Clouds (% Sky Obscured)

0
0
0
0
8
2
3
0
0
19
41
29
34
54
64
83
66
57
66
56
49
30
41
53

Medium Clouds (% Sky Obscured)

4
3
4
6
30
42
48
63
54
59
57
62
58
57
58
43
40
21
44
52
49
65
38
41

High Clouds (% Sky Obscured)

10
3
8
3
4
15
23
48
50
47
63
95
100
82
78
64
63
5
6
42
59
39
47
20

ISS Passover

Visibility (miles)

9
5
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
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

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

Precipitation Probability (%)

28
27
30
35
29
6
2
3
8
1
14
30
47
39
37
72
86
57
46
66
80
86
81
88

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0.5
0.9
0
0
0.3
0.4
0.6
0.4
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
16
15
15
14
14
14
13
14
15
16
18
19
21
22
22
22
22
22
23
22
22
21
19

Feels Like (°C)

18
18
17
17
17
15
15
14
15
14
17
19
20
21
21
21
21
21
22
23
21
22
23
21

Dew Point (°C)

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

Relative Humidity (%)

90
90
93
93
92
93
93
95
96
96
98
93
85
70
75
67
73
67
69
72
64
76
85
92

Pressure (mb)

1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1008
1008
1008
1008
1007
1008

Ozone (du)

325
325
324
324
324
323
322
322
324
325
327
328
329
330
329
328
328
328
327
326
327
328
329
330

Monday 27

Waxing Gibbous 98%

20:22

04:05

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: 05:32, Set: 20:30, Transit: 13:01. Moon - Rise: 20:22, Set: 04:05. Civil Dark: 21:07 - 04:56. Nautical Dark: 21:53 - 04:11. Astro Dark: 22:48 - 03:16

Total Clouds (% Sky Obscured)

88
87
87
87
86
88
91
93
92
94
94
95
97
98
99
99
100
100
100
100
100
100
100
96

Low Clouds (% Sky Obscured)

88
85
87
87
52
83
84
66
73
87
85
81
76
74
77
80
83
82
80
78
75
73
71
67

Medium Clouds (% Sky Obscured)

44
35
35
35
26
40
47
55
44
46
50
57
62
63
29
23
16
31
51
52
60
64
68
70

High Clouds (% Sky Obscured)

45
45
50
52
53
5
40
45
41
61
68
78
86
92
95
97
100
99
100
100
100
100
100
87

ISS Passover

Visibility (miles)

2
9
9
2
9
9
9
2
1
0
0
2
8
0
0
3
9
9
9
5
2
2
2
2

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

Precipitation Probability (%)

75
55
68
56
23
34
47
65
52
38
37
36
37
38
39
37
37
44
61
82
95
95
95
95

Precipitation Amount (mm)

0.4
0
0.4
0.3
0
0
0
0.5
0.2
0
0
0
0
0
0
0
0
0
0.2
0.4
0.8
0.8
1
1.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

18
17
16
17
16
16
16
16
17
17
18
18
18
19
19
19
19
19
19
21
22
21
20
20

Relative Humidity (%)

96
96
95
98
98
98
96
98
100
100
98
98
96
98
96
91
83
78
79
91
96
96
98
100

Pressure (mb)

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

Ozone (du)

329
329
329
329
331
330
328
330
331
333
335
335
335
334
333
333
332
328
327
328
328
327
329
330

Tuesday 28

Waxing Gibbous 100%

20:47

05:14

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: 05:33, Set: 20:29, Transit: 13:01. Moon - Rise: 20:47, Set: 05:14. Civil Dark: 21:05 - 04:58. Nautical Dark: 21:51 - 04:12. Astro Dark: 22:46 - 03:18

Total Clouds (% Sky Obscured)

93
90
93
97
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
100
100
100
100

Low Clouds (% Sky Obscured)

60
57
56
59
66
74
80
87
93
97
100
98
97
96
98
99
100
96
94
90
90
95
100
94

Medium Clouds (% Sky Obscured)

73
76
83
90
97
97
97
82
78
72
67
62
57
57
57
56
56
60
59
58
69
82
97
98

High Clouds (% Sky Obscured)

74
64
77
89
100
98
96
93
95
98
100
100
100
100
70
40
15
79
64
46
66
84
100
100

ISS Passover

Visibility (miles)

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

Light Rain
Light Rain
Very Light Rain
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
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

92
88
67
41
43
28
32
31
57
72
83
95
95
95
95
95
95
88
93
91
89
93
95
95

Precipitation Amount (mm)

0.6
0.6
0.2
0
0
0
0
0
0
0.3
0.4
0.7
1
1.3
1.4
1.4
1.2
0.4
0.4
0.3
0.4
0.5
0.7
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
18
18
18
18
17
17
17
16
16
15
15
15
15
16
16
16
16
17
17
17
16
16
16

Feels Like (°C)

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

Dew Point (°C)

19
18
18
18
18
17
17
17
16
16
15
15
15
15
16
16
16
16
17
17
17
16
16
16

Relative Humidity (%)

98
98
100
98
100
100
100
100
98
100
100
100
98
96
98
98
98
98
98
98
98
98
98
98

Pressure (mb)

1005
1005
1005
1005
1005
1005
1005
1005
1005
1006
1006
1006
1007
1007
1007
1007
1007
1008
1007
1007
1007
1007
1007
1007

Ozone (du)

331
329
329
330
330
327
328
328
329
331
332
333
333
332
332
329
328
328
328
328
328
327
326
326

Wednesday 29

Full Moon 100%

No Rise

06:24

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: 05:34, Set: 20:28, Transit: 13:01. Moon - Rise: No Rise, Set: 06:24. Civil Dark: 21:04 - 04:59. Nautical Dark: 21:49 - 04:14. Astro Dark: 22:43 - 03:20

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)

88
83
80
78
75
71
72
73
77
82
86
86
89
90
87
83
73
66
70
75
78
83
89
91

Medium Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

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)

0
0
0
0
0
0
0
0
0
3
5
8
8
8
8
5
3
0
2
3
4
3
2
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

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
None
Very Light 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
79
70
59
62
60
55
70
79
88
95
95
95
95
95
95
95

Precipitation Amount (mm)

0.7
0.6
0.7
0.8
1
0.9
0.9
1.1
0.5
0.3
0
0.2
0.2
0
0.3
0.4
0.6
0.7
0.6
0.7
0.7
0.7
0.7
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
16
15
16
15
15
15
15
15
15
15
15
15
15
15
15
16
16
15
15
15
15
15
15

Feels Like (°C)

15
16
16
16
16
16
15
15
15
15
15
15
14
14
14
15
16
16
15
14
14
14
14
14

Dew Point (°C)

15
16
15
15
15
15
15
15
15
15
14
14
14
14
15
15
15
15
15
15
15
15
15
15

Relative Humidity (%)

98
100
98
98
98
98
100
100
100
98
98
98
96
96
96
98
98
98
98
98
98
98
100
98

Pressure (mb)

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

Ozone (du)

326
327
327
328
328
329
329
329
328
329
329
329
329
329
329
328
327
326
326
327
327
327
327
327

Thursday 30

Waning Gibbous 97%

21:08

07:34

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: 05:35, Set: 20:26, Transit: 13:01. Moon - Rise: 21:08, Set: 07:34. Civil Dark: 21:03 - 05:00. Nautical Dark: 21:48 - 04:16. Astro Dark: 22:41 - 03:23

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
99
100
100
100
88
76
64
69
73
77

Low Clouds (% Sky Obscured)

92
94
95
96
96
90
83
76
74
74
74
68
65
64
70
76
79
74
70
63
60
63
71

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
92
78
64
63
76
91
94
97
100
88
75
64
58
50
42

High Clouds (% Sky Obscured)

100
100
100
100
99
100
100
100
98
97
94
89
83
78
64
52
46
43
35
31
21
12
8

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

87
81
86
95
95
95
85
75
69
55
14
19
19
14
19
21
21
22
22
22
36
45
30

Precipitation Amount (mm)

0.5
0.3
0.5
0.8
0.9
0.9
0.6
0.5
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
15
14
14
14
14
14
14
14
14
15
14
16
17
17
18
18
19
19
20
20
19
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
100
98
98
100
100
100
98
98
98
98
96
96
95
93
92
92
89
89
86
86
91
92

Pressure (mb)

1010
1010
1010
1010
1010
1010
1010
1010
1010
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1011
1011
1012
1012

Ozone (du)

328
328
329
329
328
328
329
329
329
329
328
328
328
327
327
327
328
328
330
333
335
334
332

Forecast for Lac-Saint-Louis, Lanaudière, Canada (46.53,-73.70)

Generated: 24/07/26 21:52:27. Forecast: 24/07/26 to 30/07/26. Timezone: UTC-4.00