Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 24

Waxing Gibbous 91%

18:17

02:46

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
22 OK
23 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 05:55, Set: 19:39, Transit: 12:46. Moon - Rise: 18:17, Set: 02:46. Civil Dark: 20:11 - 05:23. Nautical Dark: 20:51 - 04:43. Astro Dark: 21:34 - 04:00

Total Clouds (% Sky Obscured)

86
80
58
73
60
41
46
82
73
75
100
100
54
66
45
38
41
73
91
90
86
98
100
90

Low Clouds (% Sky Obscured)

86
69
58
73
58
41
46
36
32
26
22
73
25
62
28
36
38
37
44
42
37
46
48
40

Medium Clouds (% Sky Obscured)

2
0
0
4
25
0
0
79
72
70
94
100
50
50
19
2
0
0
0
0
5
2
39
16

High Clouds (% Sky Obscured)

0
0
0
0
1
0
3
25
25
19
97
100
54
0
0
5
3
47
60
60
61
38
42
33

ISS Passover

Visibility (miles)

0
7
7
9
9
9
9
9
9
9
9
3
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

77
48
0
0
0
0
0
0
0
0
0
0
0
0
0
1
59
72
100
95
96
81
91
98

Precipitation Type

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

Precipitation Probability (%)

25
19
31
21
23
18
27
16
28
43
84
82
15
1
1
1
1
0
0
0
0
0
1
7

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0.5
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
96
92
78
68
55
58
57
62
59
85
98
96
93
96
96
96
95
95
95
95
96
95

Pressure (mb)

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

Ozone (du)

330
332
336
336
337
338
335
334
332
331
333
334
339
345
347
340
336
337
335
335
335
335
337
337

Tuesday 25

Waxing Gibbous 96%

18:43

03:57

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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 05:56, Set: 19:37, Transit: 12:46. Moon - Rise: 18:43, Set: 03:57. Civil Dark: 20:09 - 05:24. Nautical Dark: 20:49 - 04:45. Astro Dark: 21:32 - 04:02

Total Clouds (% Sky Obscured)

68
100
100
95
100
94
94
88
81
85
88
77
100
93
96
80
67
63
57
55
61
58
57
50

Low Clouds (% Sky Obscured)

29
73
77
82
66
67
80
79
74
71
82
64
71
66
66
39
49
52
44
37
42
42
35
30

Medium Clouds (% Sky Obscured)

35
100
51
40
70
65
49
35
29
32
23
2
4
12
42
46
39
19
4
7
4
0
0
0

High Clouds (% Sky Obscured)

36
100
100
79
82
38
8
45
38
56
64
23
46
86
25
23
3
2
2
2
3
2
2
2

ISS Passover

Visibility (miles)

9
9
4
5
7
9
9
9
9
9
9
7
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

94
43
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
9
44

Precipitation Type

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

Precipitation Probability (%)

17
66
92
79
59
25
22
34
54
52
46
42
25
7
11
24
13
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0.3
0.7
0.4
0.2
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
2
2
3
3
3
3
3
3
4
4
3
2
2
2
3
4
3
3
3
3
4
3
3

Chance of Frost

Temperature (°C)

10
13
13
13
14
15
16
16
16
16
15
15
14
13
12
12
11
10
10
10
10
10
10
10

Feels Like (°C)

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

Dew Point (°C)

10
11
12
13
14
13
14
14
14
13
13
13
13
11
11
11
10
10
10
10
9
10
10
10

Relative Humidity (%)

95
90
93
96
96
90
90
89
87
85
83
87
90
90
92
95
96
96
96
98
96
98
98
96

Pressure (mb)

1013
1013
1013
1013
1013
1012
1012
1012
1011
1011
1012
1012
1012
1013
1014
1014
1014
1014
1014
1015
1015
1015
1015
1016

Ozone (du)

336
332
330
329
327
326
325
325
325
325
326
326
326
326
327
328
326
325
326
327
329
328
328
327

Wednesday 26

Waxing Gibbous 99%

19:05

05:08

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

Sun - Rise: 05:58, Set: 19:35, Transit: 12:46. Moon - Rise: 19:05, Set: 05:08. Civil Dark: 20:07 - 05:26. Nautical Dark: 20:46 - 04:47. Astro Dark: 21:29 - 04:04

Total Clouds (% Sky Obscured)

39
40
42
41
51
46
73
89
76
24
21
22
37
13
10
15
10
63
50
50
50
55
65
63

Low Clouds (% Sky Obscured)

25
28
29
29
23
31
64
82
65
15
12
12
9
10
5
8
0
0
0
0
0
0
4
8

Medium Clouds (% Sky Obscured)

0
0
0
0
16
33
22
33
24
21
21
17
34
0
0
0
0
0
0
0
0
0
14
25

High Clouds (% Sky Obscured)

0
0
0
0
2
2
2
2
2
1
2
5
5
3
3
3
10
63
50
50
50
55
51
30

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 (%)

29
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
1
8
1
1
2
2
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

12
15
16
18
18
18
18
17
17
17
18
18
17
15
15
14
13
13
11
11
10
10
10
11

Dew Point (°C)

10
11
11
10
8
7
7
8
11
11
10
11
13
12
11
11
10
10
10
10
10
10
9
10

Relative Humidity (%)

95
87
78
65
55
49
45
46
61
62
58
65
81
92
92
92
93
93
93
93
93
93
93
95

Pressure (mb)

1016
1016
1016
1016
1016
1016
1015
1015
1016
1016
1016
1016
1017
1017
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017

Ozone (du)

324
323
322
322
322
320
318
316
314
314
313
314
315
315
315
313
311
308
306
305
305
305
305
304

Thursday 27

Waxing Gibbous 100%

19:23

06:20

07 Bad
08 Bad
09 OK
10 OK
11 OK
12 Bad
13 OK
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: 05:59, Set: 19:33, Transit: 12:45. Moon - Rise: 19:23, Set: 06:20. Civil Dark: 20:05 - 05:27. Nautical Dark: 20:44 - 04:48. Astro Dark: 21:27 - 04:06

Total Clouds (% Sky Obscured)

94
84
43
37
40
73
37
58
67
73
92
100
100
100
100
100
100
100
100
100
100
100
99
99

Low Clouds (% Sky Obscured)

12
14
16
18
19
21
21
34
36
20
10
79
82
84
88
90
87
96
100
100
99
99
95
92

Medium Clouds (% Sky Obscured)

34
23
14
2
15
29
37
33
30
20
30
40
88
92
96
93
71
85
81
43
40
61
63
30

High Clouds (% Sky Obscured)

56
55
36
37
40
70
37
55
62
73
92
50
100
100
100
100
100
100
100
86
71
57
73
84

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
4
4
1
3
8
3
0
0
0
1
0
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

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
2
5
43
40
95
95
95
95
95
95
95
95
95
82
67
55

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0
1.3
1
0.6
0.8
0.9
1.1
1.2
1.1
0.9
0.4
0.3
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
15
17
18
19
20
20
21
21
21
21
19
18
17
16
16
15
15
15
15
15
15
15
15

Feels Like (°C)

13
15
17
19
19
19
19
20
20
20
20
19
18
15
16
16
15
15
16
15
15
15
15
15

Dew Point (°C)

11
12
11
11
10
10
11
11
11
11
12
15
16
16
16
15
15
15
15
15
15
15
15
15

Relative Humidity (%)

90
82
71
61
55
52
53
54
53
51
55
76
85
98
98
98
100
100
100
98
98
100
98
100

Pressure (mb)

1017
1017
1017
1017
1016
1016
1015
1015
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1013

Ozone (du)

304
304
306
307
306
306
305
306
305
306
306
304
304
301
302
305
306
307
307
308
308
309
310
312

Friday 28

Full Moon 99%

19:39

No Set

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 OK
20 OK
21 OK
22 OK
23 OK
00 OK
01 Good
02 OK
03 OK
04 OK
05 OK
06 OK

Sun - Rise: 06:00, Set: 19:31, Transit: 12:45. Moon - Rise: 19:39, Set: No Set. Civil Dark: 20:03 - 05:28. Nautical Dark: 20:42 - 04:50. Astro Dark: 21:24 - 04:08

Total Clouds (% Sky Obscured)

99
99
100
100
100
85
71
97
96
95
89
87
32
27
19
15
13
13
13
19
22
24
23
20

Low Clouds (% Sky Obscured)

89
89
89
90
94
85
71
96
94
91
87
83
32
27
19
14
11
12
11
19
22
24
23
20

Medium Clouds (% Sky Obscured)

30
24
24
22
14
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

91
93
96
60
40
22
0
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
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 (%)

44
42
43
32
37
35
34
31
25
23
22
22
7
11
9
2
3
2
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
5
5
5
5
7
7
8
8
9
8
7
5
5
4
3
3
3
3
3
3
3
2

Chance of Frost

Temperature (°C)

15
15
16
16
16
16
16
16
15
14
13
12
11
10
10
9
8
7
7
6
6
6
5
7

Feels Like (°C)

16
16
16
16
16
16
15
16
14
13
11
11
10
11
11
10
10
9
9
9
7
7
7
6

Dew Point (°C)

16
15
16
15
15
15
13
11
10
9
9
8
8
10
9
9
8
7
6
6
5
5
4
4

Relative Humidity (%)

100
100
100
96
96
93
83
71
72
71
76
76
80
96
96
98
98
96
96
96
96
94
93
85

Pressure (mb)

1013
1014
1014
1014
1015
1015
1015
1015
1015
1015
1016
1017
1017
1018
1019
1019
1020
1020
1021
1021
1021
1021
1022
1022

Ozone (du)

315
316
317
317
315
314
315
316
316
317
318
320
319
319
320
322
323
323
323
322
323
323
323
323

Saturday 29

Waning Gibbous 95%

19:55

07:33

07 Good
08 OK
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
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:02, Set: 19:29, Transit: 12:45. Moon - Rise: 19:55, Set: 07:33. Civil Dark: 20:01 - 05:30. Nautical Dark: 20:40 - 04:51. Astro Dark: 21:22 - 04:10

Total Clouds (% Sky Obscured)

17
39
62
85
82
78
75
71
65
56
58
60
62
59
62
72
91
97
96
97
85
76
80
90

Low Clouds (% Sky Obscured)

17
39
60
81
74
64
57
42
28
18
27
35
39
37
34
32
46
63
66
69
72
75
76
80

Medium Clouds (% Sky Obscured)

0
0
0
0
6
13
27
37
38
32
43
56
62
59
56
49
44
34
28
38
44
49
37
40

High Clouds (% Sky Obscured)

0
2
2
3
6
9
11
8
4
1
2
2
2
15
22
28
25
22
23
21
23
25
35
40

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
Very Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
2
3
2
7
8
7
6
4
1
5
8
9
27
43
57
66
76

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
5
10
11
11
12
13
14
12
12
12
13
14
15
10
10
11
11
11
11
11
11
11
10

Dew Point (°C)

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

Relative Humidity (%)

79
72
62
55
49
54
58
63
62
61
60
70
80
93
95
95
98
96
98
98
96
98
96
95

Pressure (mb)

1022
1022
1022
1021
1021
1021
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018
1017
1017
1016
1016

Ozone (du)

322
321
320
319
318
317
317
317
317
318
318
319
320
321
321
322
322
323
324
325
326
327
329
329

Sunday 30

Waning Gibbous 89%

20:11

08:46

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
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 06:03, Set: 19:27, Transit: 12:44. Moon - Rise: 20:11, Set: 08:46. Civil Dark: 19:59 - 05:31. Nautical Dark: 20:38 - 04:53. Astro Dark: 21:19 - 04:12

Total Clouds (% Sky Obscured)

98
96
93
90
96
99
100
97
96
94
95
95
96
97
94
95
89
79
55

Low Clouds (% Sky Obscured)

85
81
74
65
76
88
100
74
53
34
34
34
33
33
33
32
27
26
26

Medium Clouds (% Sky Obscured)

43
33
23
13
13
18
27
31
39
47
52
62
67
64
56
57
53
46
38

High Clouds (% Sky Obscured)

40
40
70
75
75
75
95
67
33
0
0
0
0
33
67
95
67
32
0

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

85
75
62
43
52
61
69
66
57
38
37
34
29
33
39
47
57
65
73

Precipitation Amount (mm)

0.5
0.4
0.3
0
0
0.3
0.5
0.4
0.3
0
0
0
0
0
0
0.2
0.3
0.3
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
12
13
14
15
15
15
14
15
16
18
16
14
12
11
10
9
8
8

Feels Like (°C)

10
10
12
12
12
13
13
14
13
13
13
15
16
18
10
10
11
11
10

Dew Point (°C)

10
10
10
10
10
10
11
12
10
9
8
8
9
9
8
7
6
6
6

Relative Humidity (%)

93
92
83
76
71
75
79
84
72
61
51
60
71
84
84
81
81
84
87

Pressure (mb)

1016
1016
1015
1015
1014
1014
1013
1013
1012
1012
1012
1012
1012
1013
1013
1013
1013
1013
1013

Ozone (du)

330
330
330
330
330
329
329
328
328
327
327
328
329
330
331
331
332
331
331

Forecast for Sainte-Brigitte-de-Laval, Capitale-Nationale, Canada (47.33,-71.14)

Generated: 24/08/26 07:15:44. Forecast: 24/08/26 to 30/08/26. Timezone: UTC-4.00