Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 21

First Quarter 65%

15:13

23:45

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: 05:25, Set: 20:38, Transit: 13:01. Moon - Rise: 15:13, Set: 23:45. Civil Dark: 21:14 - 04:48. Nautical Dark: 22:02 - 04:01. Astro Dark: 23:01 - 03:02

Total Clouds (% Sky Obscured)

100
99
85
100
100
100
100
100
100
94
96
98
100
100
93
95
97
95
96
95
100
100
100
100

Low Clouds (% Sky Obscured)

82
99
85
100
100
100
100
94
100
86
88
93
100
100
85
81
85
76
87
91
100
100
100
100

Medium Clouds (% Sky Obscured)

3
34
50
81
66
46
89
75
91
72
51
33
27
3
0
35
60
47
48
46
43
40
41
45

High Clouds (% Sky Obscured)

100
99
85
100
100
94
99
100
100
55
2
0
0
0
0
0
0
2
19
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

14
89
94
51
51
92
84
85
74
44
55
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

50
51
77
95
95
95
95
95
95
95
65
51
18
21
10
8
7
35
44
30
21
8
13
8

Precipitation Amount (mm)

0.4
0.6
0.3
0.6
0.9
0.6
0.8
1.2
0.7
0.7
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
12
11
11
8
8
7
6
6
5
4
6
8
9
9
8
11
10
11
11
11
11
11
11

Chance of Frost

Temperature (°C)

19
19
18
18
17
17
17
18
17
17
17
17
17
16
15
15
16
16
16
15
14
12
12
12

Feels Like (°C)

18
18
18
18
17
17
17
18
18
18
18
17
16
14
13
13
13
13
13
12
11
9
9
8

Dew Point (°C)

19
19
18
18
17
17
17
18
17
17
17
17
17
15
14
14
12
13
11
12
11
9
10
10

Relative Humidity (%)

96
98
98
98
98
98
98
100
98
98
100
98
98
98
96
93
77
79
73
82
78
81
84
86

Pressure (mb)

1001
1001
1000
1000
999
999
998
997
997
997
997
998
999
999
1000
1001
1001
1002
1002
1003
1004
1005
1006
1007

Ozone (du)

353
351
352
352
351
354
354
354
357
364
371
372
371
371
367
370
373
372
373
376
374
370
362
364

Wednesday 22

Waxing Gibbous 62%

16:21

00:09

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 OK

Sun - Rise: 05:26, Set: 20:37, Transit: 13:01. Moon - Rise: 16:21, Set: 00:09. Civil Dark: 21:13 - 04:50. Nautical Dark: 22:01 - 04:03. Astro Dark: 22:59 - 03:05

Total Clouds (% Sky Obscured)

100
97
93
100
99
95
90
98
96
94
94
98
100
91
89
77
82
52
83
66
46
58
46
20

Low Clouds (% Sky Obscured)

100
94
74
100
97
78
34
19
0
25
45
53
16
13
1
2
41
3
29
17
22
34
32
20

Medium Clouds (% Sky Obscured)

49
53
48
53
58
53
41
50
81
92
88
94
74
39
29
51
46
52
75
54
20
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
8
61
63
81
100
88
75
49
19
5
4
1
17
44
34
0

ISS Passover

Visibility (miles)

9
9
9
4
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 (%)

19
6
7
8
10
11
12
17
27
24
20
1
0
0
0
0
0
0
0
1
4
11
6
1

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)

10
11
11
11
12
12
13
13
11
11
10
8
9
11
11
11
12
12
11
11
11
10
8
6

Chance of Frost

Temperature (°C)

12
11
10
10
10
10
10
10
9
9
10
10
12
13
15
17
19
19
20
20
21
20
19
19

Feels Like (°C)

8
7
7
7
6
6
6
5
5
5
5
7
8
9
11
13
15
15
17
17
17
17
17
19

Dew Point (°C)

10
9
9
9
9
8
7
7
8
8
7
8
7
6
5
5
5
4
4
3
3
3
5
11

Relative Humidity (%)

87
88
88
95
90
85
84
84
90
90
81
87
73
59
52
44
39
35
35
33
30
31
41
61

Pressure (mb)

1007
1008
1009
1009
1010
1010
1011
1011
1012
1013
1014
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017

Ozone (du)

366
366
366
366
369
371
378
386
385
375
366
363
360
357
356
356
356
358
363
366
365
366
370
373

Thursday 23

Waxing Gibbous 74%

17:25

00:38

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

Sun - Rise: 05:27, Set: 20:36, Transit: 13:01. Moon - Rise: 17:25, Set: 00:38. Civil Dark: 21:12 - 04:51. Nautical Dark: 21:59 - 04:04. Astro Dark: 22:57 - 03:07

Total Clouds (% Sky Obscured)

53
35
46
4
53
3
34
51
10
25
17
8
19
50
64
71
66
82
79
75
22
31
29
32

Low Clouds (% Sky Obscured)

15
6
17
1
12
1
12
34
2
16
7
1
1
1
9
31
27
27
31
34
22
27
17
8

Medium Clouds (% Sky Obscured)

0
0
1
0
33
0
5
1
0
11
0
0
0
0
0
25
0
48
31
21
1
6
12
17

High Clouds (% Sky Obscured)

0
2
0
0
0
0
0
2
5
2
3
7
19
50
64
70
66
65
67
67
4
8
7
10

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)

3
3
2
3
3
3
3
3
3
3
3
2
3
5
7
8
9
10
9
9
9
9
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
15
15
13
14
12
14
13
12
14
13
15
18
18
18
19
19
19
20
20
20
22
21
22

Dew Point (°C)

12
9
10
8
8
7
9
8
7
9
8
10
10
8
7
5
5
5
5
6
6
7
9
12

Relative Humidity (%)

72
63
73
69
70
64
74
71
66
75
74
74
61
50
42
35
33
32
31
31
32
35
44
56

Pressure (mb)

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

Ozone (du)

372
372
369
367
368
365
360
357
357
357
357
357
354
351
351
352
352
349
351
355
352
352
351
350

Friday 24

Waxing Gibbous 82%

18:23

01:16

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

Sun - Rise: 05:28, Set: 20:35, 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)

19
13
5
9
22
14
14
17
64
84
73
8
5
3
10
27
41
67
32
54
50
50
39
33

Low Clouds (% Sky Obscured)

5
2
0
0
0
0
0
0
0
0
0
0
0
0
0
5
11
16
30
39
50
41
31
20

Medium Clouds (% Sky Obscured)

11
5
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)

12
9
4
7
18
8
9
11
64
84
73
8
5
3
10
27
41
67
8
28
9
18
19
33

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
19
18
17
16
16
16
15
15
13
13
15
19
20
21
21
22
22
21
23
22
23
22
22

Dew Point (°C)

14
14
13
12
12
12
12
11
11
10
12
12
12
10
10
9
8
7
8
8
8
10
11
13

Relative Humidity (%)

73
78
79
80
80
79
80
82
83
83
84
78
65
55
50
44
39
35
35
34
36
39
48
57

Pressure (mb)

1019
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1019
1019
1019
1019
1018
1018
1017
1016
1016
1015
1014
1014
1014

Ozone (du)

346
344
342
340
339
337
336
336
337
337
336
335
334
333
332
329
328
329
328
327
327
327
325
324

Saturday 25

Waxing Gibbous 89%

19:12

02:04

20 OK
21 OK
22 OK
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: 05:29, Set: 20:34, 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)

23
21
20
50
75
100
100
96
100
100
100
100
97
93
89
90
92
94
91
89
87
78
67
56

Low Clouds (% Sky Obscured)

13
7
0
0
0
0
0
0
19
32
22
45
36
30
28
31
39
45
53
51
51
42
30
14

Medium Clouds (% Sky Obscured)

0
0
0
22
35
98
48
77
83
93
97
100
87
74
62
60
63
68
58
39
25
24
28
33

High Clouds (% Sky Obscured)

23
21
20
50
75
100
100
93
100
77
50
15
9
8
10
7
8
9
9
5
10
14
18
22

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
4
6
8
9
8
8

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
13
17
17
29
24
4
12
21
32
34
39
45
47
52
62

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.2
0.2
0.3

Wind Speed/Direction (mph)

4
4
4
3
4
4
4
3
3
3
3
3
3
3
4
6
6
6
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
19
18
16
17
16
16
15
16
16
15
17
18
18
17
18
20
22
23
23
23
24
23
22

Dew Point (°C)

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

Relative Humidity (%)

75
81
86
89
90
89
83
87
87
79
73
77
74
65
58
52
57
65
73
78
84
91
92
91

Pressure (mb)

1014
1014
1014
1014
1014
1013
1013
1013
1012
1012
1012
1012
1012
1012
1011
1010
1010
1010
1009
1009
1009
1008
1008
1008

Ozone (du)

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

Sunday 26

Waxing Gibbous 94%

19:51

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: 20:33, 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)

49
50
39
23
23
30
31
38
38
52
66
76
80
84
89
89
90
94
91
89
82
86
89
93

Low Clouds (% Sky Obscured)

14
18
24
19
15
10
17
18
14
24
37
53
57
62
70
73
76
78
69
59
49
49
48
48

Medium Clouds (% Sky Obscured)

34
34
35
23
23
30
31
32
28
29
28
24
21
18
16
19
24
28
20
12
2
2
1
0

High Clouds (% Sky Obscured)

15
10
4
4
4
9
14
12
12
29
44
55
44
37
32
33
35
40
51
62
73
69
68
67

ISS Passover

Visibility (miles)

7
8
8
9
9
8
8
6
4
1
4
7
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None
None
None

Precipitation Probability (%)

53
48
43
37
30
25
38
48
54
50
44
35
33
31
31
35
37
39
50
54
56
49
47
47

Precipitation Amount (mm)

0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
19
18
17
17
17
16
15
15
15
16
18
19
20
21
22
22
23
24
24
23
23
22
21

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
93
93
95
95
95
96
98
98
98
100
100
98
96
93
91
83
77
70
61
56
49
55
62

Pressure (mb)

1008
1008
1008
1008
1008
1007
1007
1007
1007
1007
1007
1007
1007
1008
1008
1008
1007
1007
1007
1007
1006
1006
1006
1006

Ozone (du)

329
329
329
329
329
330
330
331
332
334
336
339
341
341
341
340
341
341
341
343
344
345
344
343

Monday 27

Waxing Gibbous 98%

No Rise

04:05

20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 OK
05 Bad
06 OK
07 OK
08 OK
09 Good
10 Good
11 OK
12 OK
13 OK

Sun - Rise: 05:32, Set: 20:31, Transit: 13:01. Moon - Rise: No Rise, 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)

90
86
81
84
91
100
77
57
46
51
42
31
22
9
0
0
0
0

Low Clouds (% Sky Obscured)

32
16
0
8
15
31
19
10
2
3
5
3
10
9
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
1
0
1
4
7
8
7
10
11
14
9
0
0
0
0

High Clouds (% Sky Obscured)

65
61
55
70
85
100
68
35
3
34
42
31
21
9
0
0
0
0

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 (%)

39
29
12
12
9
3
8
7
1
2
2
0
4
6
6
30
39
37

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

22
18
19
18
18
18
18
16
17
17
16
15
15
19
19
19
18
18

Dew Point (°C)

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

Relative Humidity (%)

70
72
74
78
72
68
64
72
79
89
81
72
67
58
51
45
41
38

Pressure (mb)

1006
1006
1007
1007
1007
1007
1006
1006
1007
1007
1006
1006
1006
1006
1006
1006
1006
1005

Ozone (du)

343
341
340
338
338
338
338
340
341
343
345
348
350
348
347
345
345
346

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

Generated: 21/07/26 20:38:22. Forecast: 21/07/26 to 27/07/26. Timezone: UTC-4.00