Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Gibbous 98%

20:22

04:05

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
21 Bad

Sun - Rise: 05:32, Set: 20:30, Transit: 13:01. Moon - Rise: 20:22, Set: 04:05. Civil Dark: 21:05 - 04:56. Nautical Dark: 21:51 - 04:11. Astro Dark: 22:48 - 03:16

Total Clouds (% Sky Obscured)

82
42
99
98
90
99
100
100
100
100
99
79
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

39
34
46
55
54
66
71
95
95
95
96
79
59
73
76
84
72
59
51
53
77
69
91
83

Medium Clouds (% Sky Obscured)

4
2
9
26
36
38
24
9
19
16
39
34
29
61
45
49
59
80
96
100
100
100
100
100

High Clouds (% Sky Obscured)

76
42
99
87
35
94
99
100
100
100
97
79
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

85
100
95
90
56
75
11
0
1
13
20
31
5
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

8
16
0
22
23
13
38
38
38
38
32
75
76
87
94
82
85
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.5
0.4
0.6
0.9
0.4
0.4
0.7
0.6
0.6
0.6
0.9
1
2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
93
93
93
95
93
95
96
98
98
96
88
92
91
86
84
89
89
86
89
95
95
98
98

Pressure (mb)

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

Ozone (du)

336
337
336
336
334
334
335
335
334
334
335
336
337
338
339
338
338
338
336
334
332
331
331
331

Tuesday 28

Waxing Gibbous 100%

20:47

05:14

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
21 Bad

Sun - Rise: 05:33, Set: 20:29, Transit: 13:01. Moon - Rise: 20:47, Set: 05:14. Civil Dark: 21:04 - 04:58. Nautical Dark: 21:49 - 04:12. Astro Dark: 22:46 - 03:18

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)

89
86
92
81
91
89
93
86
82
90
90
89
85
82
79
76
73
72
75
71
69
72
73
82

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
100
96
98
100
100
100
100
95
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)

6
3
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Fog (%)

2
31
83
77
38
80
85
82
56
11
9
2
0
0
0
0
0
0
0
0
0
14
2
8

Precipitation Type

Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Very Light Rain
Light Rain
Moderate Rain
Moderate 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
89
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

1.4
1.9
3.5
2.2
1.8
1.9
1.3
0.9
0.5
0.8
3.9
3.6
2.7
0.4
0.3
0.7
2.5
2.9
1.7
0.6
1.1
1.5
1.6
1.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

19
17
17
17
16
16
15
15
15
15
15
15
14
14
15
16
15
15
16
16
16
16
15
15

Dew Point (°C)

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

Relative Humidity (%)

100
100
98
100
100
100
100
98
98
100
98
100
98
98
100
98
98
100
98
98
100
100
98
98

Pressure (mb)

1005
1005
1005
1005
1005
1004
1004
1004
1005
1005
1005
1006
1006
1006
1007
1007
1007
1007
1008
1008
1008
1009
1009
1009

Ozone (du)

331
330
331
331
331
330
328
328
330
333
333
335
333
334
334
332
333
330
330
332
332
332
332
331

Wednesday 29

Full Moon 100%

21:08

06:24

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
21 Bad

Sun - Rise: 05:34, Set: 20:28, Transit: 13:01. Moon - Rise: 21:08, Set: 06:24. Civil Dark: 21:03 - 04:59. Nautical Dark: 21:48 - 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
97
97
99
91
95
96
88
86
86

Low Clouds (% Sky Obscured)

84
87
84
87
82
83
85
84
84
79
67
68
48
76
72
76
48
65
36
34
46
31
31
26

Medium Clouds (% Sky Obscured)

100
97
93
90
95
93
94
98
100
100
100
100
100
93
88
89
92
95
80
89
86
74
57
61

High Clouds (% Sky Obscured)

97
100
100
100
100
98
100
100
100
100
100
100
100
100
100
54
80
84
67
81
86
63
63
57

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
1
31
33
32
29
16
2
0
2
1
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
68
65
57
49
45
47
60
62
47
31
30
22
18
8
8
4
4
3
3
1
4
4

Precipitation Amount (mm)

1
0.7
0.2
0
0
0
0
0
0.2
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
16
16
16
16
15
15
15
15
15
16
17
17
18
19
20
21
21
21
21
21
21
19
18

Feels Like (°C)

15
15
15
16
15
15
14
14
14
14
15
16
16
17
18
19
20
20
20
21
21
21
19
18

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
100
100
98
100
100
98
100
98
100
98
100
98
96
93
81
77
76
77
80
88
95

Pressure (mb)

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

Ozone (du)

331
331
333
333
333
333
332
332
332
331
330
328
326
326
324
323
323
324
322
321
321
321
321
320

Thursday 30

Waning Gibbous 97%

21:26

07:34

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

Sun - Rise: 05:35, Set: 20:26, Transit: 13:01. Moon - Rise: 21:26, Set: 07:34. Civil Dark: 21:01 - 05:00. Nautical Dark: 21:46 - 04:16. Astro Dark: 22:41 - 03:23

Total Clouds (% Sky Obscured)

84
76
68
51
57
62
75
58
58
49
48
41
48
50
53
54
54
47
48
47
55
65
64
60

Low Clouds (% Sky Obscured)

22
20
16
14
20
28
36
48
38
24
30
36
39
37
38
37
27
14
2
3
5
5
19
32

Medium Clouds (% Sky Obscured)

50
31
16
9
7
4
1
5
1
2
2
1
0
12
24
36
36
35
35
21
11
0
8
15

High Clouds (% Sky Obscured)

58
58
58
38
33
30
45
24
40
40
31
1
0
2
2
0
0
0
0
14
28
65
46
18

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 (%)

1
1
0
0
0
0
0
0
0
0
0
0
0
2
3
1
4
4
2
3
10
1
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
2
2
2
2
3
3
3
3
3
2
3
4
3
4
4
4
5
5
5
3
3
2
2

Chance of Frost

Temperature (°C)

17
16
16
15
14
14
13
13
14
16
17
19
21
22
23
24
24
24
24
24
23
21
20
19

Feels Like (°C)

17
16
16
15
14
14
14
13
14
16
18
19
22
23
24
24
25
25
25
25
25
24
21
21

Dew Point (°C)

16
16
15
15
13
13
13
13
13
15
15
14
14
13
12
12
12
12
12
13
14
17
17
18

Relative Humidity (%)

95
96
96
96
95
95
96
96
93
93
85
71
64
57
50
46
44
45
46
49
55
77
85
92

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1015
1016
1016
1016
1015
1015
1015
1014
1014
1013
1013
1013
1013
1013
1013
1014
1014

Ozone (du)

320
320
321
321
323
325
326
327
328
329
329
327
325
324
323
322
322
322
321
320
320
319
319
320

Friday 31

Waning Gibbous 93%

21:42

08:44

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
21 Bad

Sun - Rise: 05:36, Set: 20:25, Transit: 13:01. Moon - Rise: 21:42, Set: 08:44. Civil Dark: 21:00 - 05:02. Nautical Dark: 21:44 - 04:17. Astro Dark: 22:39 - 03:25

Total Clouds (% Sky Obscured)

76
79
80
81
79
76
73
79
85
90
92
94
95
95
95
97
88
93
100
100
100
100
99
97

Low Clouds (% Sky Obscured)

41
43
45
46
37
27
16
8
3
1
0
3
0
6
22
33
36
41
45
45
35
20
14
7

Medium Clouds (% Sky Obscured)

23
23
25
28
24
18
12
16
21
24
28
71
72
70
52
59
51
47
43
40
36
28
21
20

High Clouds (% Sky Obscured)

28
36
36
37
42
48
58
64
71
80
80
82
77
73
72
69
46
73
100
100
100
100
98
97

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
6
6
3
4
5
6
7
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
3
19
42
63
67
68
66
75
87
90
91
88
73
58

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
18
18
17
16
16
16
16
17
19
21
22
22
24
25
26
26
25
24
23
24
24
24
19

Dew Point (°C)

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

Relative Humidity (%)

93
93
90
90
90
92
92
93
90
89
81
79
69
67
70
73
73
78
81
85
88
92
95
96

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012

Ozone (du)

320
320
321
321
321
321
321
320
320
321
320
321
321
319
319
321
321
321
321
320
321
322
322
323

Saturday 1

Waning Gibbous 87%

21:58

09:55

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
21 Bad

Sun - Rise: 05:38, Set: 20:23, Transit: 13:01. Moon - Rise: 21:58, Set: 09:55. Civil Dark: 20:58 - 05:03. Nautical Dark: 21:42 - 04:19. Astro Dark: 22:36 - 03:27

Total Clouds (% Sky Obscured)

95
87
81
73
84
92
98
91
84
77
79
79
79
81
83
85
86
88
89
88
89
88
87
85

Low Clouds (% Sky Obscured)

0
13
25
37
54
63
73
65
53
43
43
31
28
29
32
41
52
52
50
49
46
35
33
34

Medium Clouds (% Sky Obscured)

18
22
27
36
34
35
31
23
13
1
14
27
38
47
54
62
62
59
55
48
40
33
39
47

High Clouds (% Sky Obscured)

95
87
81
73
84
92
98
79
63
49
51
38
40
45
40
40
40
46
56
72
73
79
73
62

ISS Passover

Visibility (miles)

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

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
Very Light Rain
Light Rain
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
Light Rain
Light Rain

Precipitation Probability (%)

44
39
34
23
39
48
50
40
32
24
28
38
55
64
72
79
92
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.4
0
0
0
0
0
0.3
0.4
0.4
0.5
0.7
0.9
0.8
0.8
0.8
0.8
0.8
0.9

Wind Speed/Direction (mph)

3
3
2
2
1
1
2
2
3
4
4
5
6
6
6
6
6
6
6
7
6
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

17
17
16
15
15
15
15
14
16
16
17
18
18
19
20
20
21
21
21
20
19
19
18
17

Relative Humidity (%)

95
96
96
95
95
95
96
95
96
95
95
91
88
85
87
88
89
89
91
92
92
93
93
95

Pressure (mb)

1012
1013
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1011
1011
1012
1012
1012
1012

Ozone (du)

323
324
324
323
323
322
322
321
322
323
323
323
322
322
322
322
323
323
324
325
326
326
327
330

Sunday 2

Waning Gibbous 78%

21:58

11:07

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

Sun - Rise: 05:39, Set: 20:22, Transit: 13:00. Moon - Rise: 21:58, Set: 11:07. Civil Dark: 20:57 - 05:04. Nautical Dark: 21:40 - 04:20. Astro Dark: 22:34 - 03:29

Total Clouds (% Sky Obscured)

81
67
58
48
41
37
29
20
10
5
10
19
24
27
30
29
26
31
37
25
14
3

Low Clouds (% Sky Obscured)

38
43
47
48
41
31
21
12
6
0
5
19
24
27
30
29
26
20
12
10
6
1

Medium Clouds (% Sky Obscured)

54
34
26
14
12
9
7
6
4
1
1
1
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

45
36
23
20
13
7
0
0
0
0
0
0
0
1
3
5
21
31
37
24
10
1

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

95
95
91
83
68
54
34
27
21
14
17
16
14
15
14
13
11
8
0
1
0
0

Precipitation Amount (mm)

0.9
1
0.8
0.7
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
15
15
15
14
14
14
14
14
15
16
17
18
19
21
22
23
23
23
23
22
20

Feels Like (°C)

17
17
16
16
16
14
14
14
14
15
15
17
19
19
19
18
17
25
23
23
23
23

Dew Point (°C)

16
15
15
14
14
14
14
14
14
15
15
16
17
18
16
14
12
12
12
12
13
14

Relative Humidity (%)

96
98
98
96
98
96
98
98
98
98
96
95
92
89
74
60
49
50
49
49
57
66

Pressure (mb)

1013
1013
1013
1013
1013
1013
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1015
1015

Ozone (du)

333
336
339
341
344
345
346
347
347
346
346
345
343
341
340
338
337
335
334
332
331
330

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

Generated: 27/07/26 22:27:23. Forecast: 27/07/26 to 02/08/26. Timezone: UTC-4.00