Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 31

Waning Gibbous 82%

20:30

10:02

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

Sun - Rise: 06:04, Set: 19:25, Transit: 12:44. Moon - Rise: 20:30, Set: 10:02. Civil Dark: 19:57 - 05:33. Nautical Dark: 20:35 - 04:54. Astro Dark: 21:17 - 04:13

Total Clouds (% Sky Obscured)

37
28
32
32
40
43
53
68
60
67
38
35
28
24
65
75
76
77
35
37
59
47
79
79

Low Clouds (% Sky Obscured)

35
28
32
32
40
43
34
32
28
26
27
27
25
22
25
29
31
29
29
26
26
24
29
10

Medium 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

High Clouds (% Sky Obscured)

2
0
1
0
1
4
15
25
16
20
0
0
0
0
48
66
60
60
4
3
59
26
78
74

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

Chance of Frost

Temperature (°C)

7
10
12
14
15
16
17
17
17
16
16
13
11
10
9
8
7
7
7
6
6
5
5
7

Feels Like (°C)

6
9
12
13
15
15
15
15
14
13
14
13
11
10
9
7
5
5
4
6
6
5
5
6

Dew Point (°C)

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

Relative Humidity (%)

70
58
51
46
41
38
37
37
39
43
54
69
75
78
78
74
73
71
72
75
76
78
80
76

Pressure (mb)

1021
1021
1020
1020
1019
1019
1018
1018
1018
1018
1017
1018
1019
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021

Ozone (du)

331
329
328
327
325
323
325
327
329
330
331
328
325
323
319
315
313
311
309
310
311
311
311
310

Tuesday 1

Waning Gibbous 72%

20:53

11:20

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

Sun - Rise: 06:06, Set: 19:23, Transit: 12:44. Moon - Rise: 20:53, Set: 11:20. Civil Dark: 19:55 - 05:34. Nautical Dark: 20:33 - 04:56. Astro Dark: 21:14 - 04:15

Total Clouds (% Sky Obscured)

76
73
81
79
72
79
77
90
100
100
100
100
73
48
72
54
68
62
60
66
58
62
82
60

Low Clouds (% Sky Obscured)

14
24
31
27
20
16
15
13
0
0
2
3
0
0
0
0
13
19
15
20
38
40
35
35

Medium Clouds (% Sky Obscured)

0
0
0
15
7
9
13
0
0
20
64
26
67
43
54
42
51
48
51
41
28
57
59
60

High Clouds (% Sky Obscured)

74
65
80
63
39
52
50
90
100
100
100
100
70
10
22
17
52
33
3
11
0
0
77
55

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
2
2
6
5
8
2

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

Chance of Frost

Temperature (°C)

10
14
14
15
16
17
17
18
17
17
15
13
11
10
9
9
9
8
8
9
9
9
10
11

Feels Like (°C)

11
14
14
14
15
14
14
15
16
15
14
12
10
8
9
7
7
8
8
7
7
9
10
10

Dew Point (°C)

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

Relative Humidity (%)

64
55
50
45
43
42
42
42
45
50
66
71
76
76
78
77
75
75
78
80
80
85
88
84

Pressure (mb)

1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020
1021
1021
1021
1022
1022
1022
1021
1021
1021
1021

Ozone (du)

312
312
311
309
307
307
307
307
306
305
305
306
306
305
304
303
304
305
306
306
305
303
303
303

Wednesday 2

Waning Gibbous 61%

21:22

12:41

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
07 Bad

Sun - Rise: 06:07, Set: 19:21, Transit: 12:43. Moon - Rise: 21:22, Set: 12:41. Civil Dark: 19:53 - 05:35. Nautical Dark: 20:31 - 04:58. Astro Dark: 21:12 - 04:17

Total Clouds (% Sky Obscured)

92
72
92
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)

35
48
67
83
100
100
98
100
100
100
100
98
99
92
98
83
91
98
99
99
100
100
98
100

Medium Clouds (% Sky Obscured)

48
37
21
18
22
33
60
62
70
91
62
83
67
100
71
63
91
73
93
82
82
66
83
72

High Clouds (% Sky Obscured)

71
27
61
54
100
85
100
100
100
100
100
100
100
100
100
100
96
44
77
70
55
50
45
26

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
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

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

Precipitation Probability (%)

0
0
0
1
6
5
28
39
34
30
73
44
28
59
61
32
60
43
30
33
30
31
39
37

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.6
0
0
0.2
0.4
0
0.5
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
13
14
14
15
14
13
13
13
13
13
12
12
12
12
12
11
11
11
11
11
11
11
11

Feels Like (°C)

13
12
13
13
13
12
11
12
12
11
12
11
11
11
11
11
10
11
11
11
11
10
10
11

Dew Point (°C)

8
8
8
9
9
9
10
10
10
10
10
11
11
11
11
11
11
11
11
11
11
11
11
11

Relative Humidity (%)

73
74
69
69
67
70
80
80
79
83
84
90
92
93
93
93
96
96
98
98
98
98
100
96

Pressure (mb)

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

Ozone (du)

303
304
304
303
304
303
302
301
300
300
299
298
298
298
298
297
298
299
301
300
300
300
302
302

Thursday 3

Waning Gibbous 49%

22:02

14:02

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
07 Bad

Sun - Rise: 06:08, Set: 19:19, Transit: 12:43. Moon - Rise: 22:02, Set: 14:02. Civil Dark: 19:51 - 05:37. Nautical Dark: 20:29 - 04:59. Astro Dark: 21:09 - 04:19

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
99
99
99
99
94
88
83

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
97
96
96
96
97
90
84
79

Medium Clouds (% Sky Obscured)

67
40
75
47
80
63
41
69
61
65
64
46
63
71
41
39
41
45
34
23
13
9
31
40

High Clouds (% Sky Obscured)

2
2
2
27
29
16
9
9
22
3
22
4
4
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

3
8
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
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
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

34
29
21
28
28
38
32
40
46
63
70
51
37
30
16
20
18
11
16
13
8
14
9
13

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12
12

Feels Like (°C)

10
10
11
11
11
11
10
10
10
10
11
11
11
11
11
11
11
11
11
11
11
12
12
12

Dew Point (°C)

11
11
11
11
11
12
12
12
12
12
12
12
12
12
12
12
12
12
11
12
12
12
12
12

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

301
301
301
299
299
299
299
300
300
302
302
304
306
307
308
308
308
308
308
308
309
310
311
311

Friday 4

Third Quarter 37%

22:56

15:16

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
07 Bad

Sun - Rise: 06:10, Set: 19:17, Transit: 12:43. Moon - Rise: 22:56, Set: 15:16. Civil Dark: 19:49 - 05:38. Nautical Dark: 20:27 - 05:01. Astro Dark: 21:07 - 04:21

Total Clouds (% Sky Obscured)

83
85
85
89
94
97
98
99
100
100
100
100
99
99
99
99
99
100
96
91
86
80
72
55

Low Clouds (% Sky Obscured)

77
73
73
75
76
76
82
90
98
99
99
100
99
98
97
98
99
100
92
88
85
80
72
55

Medium Clouds (% Sky Obscured)

40
40
45
59
73
89
84
68
36
31
33
35
51
62
76
81
87
92
87
81
75
67
56
42

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
2
7
19
42
56
54
49
38
30
19
13
8
3

ISS Passover

Visibility (miles)

0
0
0
8
9
9
9
9
9
9
9
9
9
7
5
3
5
7
9
7
6
4
6
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

6
14
13
15
24
21
32
34
38
36
38
29
29
27
23
21
17
17
18
17
14
19
19
9

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
5
5
5
6
5
5
4
4
5
6
5
5
5
5
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
100
98
98
96
95
95
95
92
92
93
93
93
95
95
96
95
95
95
95
96
98
95
90

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1013
1013
1013
1013
1014
1014
1014
1014
1015
1015
1016
1016
1017
1017

Ozone (du)

311
311
310
310
310
311
315
319
321
322
322
323
322
322
321
321
321
322
323
324
325
326
325
324

Saturday 5

Waning Crescent 35%

00:04

16:18

08 OK
09 OK
10 Good
11 OK
12 Good
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 OK
06 OK
07 Good

Sun - Rise: 06:11, Set: 19:15, Transit: 12:42. Moon - Rise: 00:04, Set: 16:18. Civil Dark: 19:47 - 05:40. Nautical Dark: 20:24 - 05:02. Astro Dark: 21:04 - 04:22

Total Clouds (% Sky Obscured)

41
27
15
14
13
12
42
64
67
67
67
66
59
59
71
80
69
51
66
63
55
34
25
16

Low Clouds (% Sky Obscured)

41
27
15
14
13
12
42
64
62
47
39
30
28
25
23
30
40
41
41
42
43
30
22
14

Medium Clouds (% Sky Obscured)

37
27
15
14
13
12
38
54
62
67
67
66
59
59
65
43
19
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

2
2
2
1
0
0
30
63
67
67
67
66
20
15
10
7
4
2
6
14
25
24
14
1

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 (%)

11
10
2
5
5
5
6
6
5
7
12
5
3
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
68
56
44
41
38
35
39
43
47
57
69
83
84
85
87
87
87
88
88
88
90
81
73

Pressure (mb)

1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1020
1021
1021
1021
1022
1022
1022
1022
1023
1023
1023
1024
1024
1024

Ozone (du)

324
324
325
326
326
326
327
327
327
328
328
328
328
329
331
333
331
329
327
327
326
326
327
328

Sunday 6

Waning Crescent 26%

01:24

17:06

08 OK
09 OK
10 Bad
11 OK
12 OK
13 OK
14 OK
15 Bad
16 Bad
17 OK
18 OK
19 Good
20 OK
21 OK
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 06:12, Set: 19:13, Transit: 12:42. Moon - Rise: 01:24, Set: 17:06. Civil Dark: 19:45 - 05:41. Nautical Dark: 20:22 - 05:04. Astro Dark: 21:02 - 04:24

Total Clouds (% Sky Obscured)

29
39
49
48
43
37
44
53
60
40
20
0
20
40
59
59
62
76

Low Clouds (% Sky Obscured)

17
18
16
11
12
10
9
16
21
14
7
0
6
13
19
16
16
16

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
17
28

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
0
3
7
10
10
13
13

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 (%)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
14
14
14
15
16
17
21
21
20
20
20
20
10
11
11
11
11

Dew Point (°C)

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

Relative Humidity (%)

67
57
48
41
40
39
36
40
42
45
53
63
75
77
80
81
81
81

Pressure (mb)

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

Ozone (du)

329
327
324
322
320
318
316
316
316
316
316
316
316
316
316
317
318
320

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

Generated: 31/08/26 07:23:45. Forecast: 31/08/26 to 06/09/26. Timezone: UTC-4.00