Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 18

Waxing Crescent 23%

11:44

22:50

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 OK
08 Good
09 Good
10 Good
11 Good
12 OK
13 OK
14 Bad
15 Bad
16 Bad

Sun - Rise: 05:21, Set: 20:41, Transit: 13:01. Moon - Rise: 11:44, Set: 22:50. Civil Dark: 21:18 - 04:45. Nautical Dark: 22:06 - 03:57. Astro Dark: 23:08 - 02:56

Total Clouds (% Sky Obscured)

95
100
99
100
100
90
67
81
80
90
81
85
75
60
16
11
7
6
5
19
28
47
60
59

Low Clouds (% Sky Obscured)

90
89
80
83
100
81
47
67
60
85
65
76
64
56
16
11
7
6
5
19
28
47
51
54

Medium Clouds (% Sky Obscured)

20
34
47
39
2
3
36
39
12
0
0
0
2
0
0
0
0
0
0
0
13
0
18
32

High Clouds (% Sky Obscured)

0
1
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
2

ISS Passover

Visibility (miles)

0
0
0
0
0
9
5
3
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
69
2
2
2
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

69
42
2
38
35
46
58
35
12
0
8
1
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

9
7
7
10
9
12
12
13
14
13
13
14
13
13
13
13
13
13
14
14
15
16
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
17
18
17
15
12
11
9
8
8
9
8
8
8
8
10
11
12
12
13
13
14
13
12

Dew Point (°C)

17
17
18
17
16
13
13
11
11
11
11
11
10
10
9
7
5
5
3
1
1
1
1
2

Relative Humidity (%)

98
98
100
100
100
96
98
96
96
96
96
95
92
92
83
71
59
52
41
35
32
32
33
36

Pressure (mb)

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

Ozone (du)

350
360
367
361
362
368
378
390
390
387
380
381
384
383
385
386
386
387
386
387
391
388
382
380

Sunday 19

Waxing Crescent 35%

12:54

23:07

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

Sun - Rise: 05:22, Set: 20:40, Transit: 13:01. Moon - Rise: 12:54, Set: 23:07. Civil Dark: 21:17 - 04:46. Nautical Dark: 22:05 - 03:58. Astro Dark: 23:06 - 02:58

Total Clouds (% Sky Obscured)

61
61
47
46
40
40
75
82
59
66
64
67
77
20
9
4
8
46
62
51
62
78
93
72

Low Clouds (% Sky Obscured)

28
26
36
2
1
0
0
0
0
0
3
0
25
3
5
2
2
2
38
8
6
33
31
17

Medium Clouds (% Sky Obscured)

27
0
4
21
30
19
17
13
10
37
18
31
34
17
0
0
7
46
43
50
62
57
71
43

High Clouds (% Sky Obscured)

36
61
47
46
40
40
58
82
9
1
1
0
0
0
0
0
0
0
0
18
2
30
36
49

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
2
5
11

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)

14
12
10
6
4
3
2
2
2
3
3
3
4
4
2
4
7
7
8
8
7
9
7
7

Chance of Frost

Temperature (°C)

17
16
16
14
13
12
11
10
9
9
8
10
9
10
12
15
17
19
20
21
22
23
23
22

Feels Like (°C)

13
13
13
12
11
11
10
9
7
7
7
8
8
8
13
15
16
18
20
19
22
22
22
21

Dew Point (°C)

3
4
6
6
7
7
7
6
4
3
3
5
4
4
7
7
7
8
8
7
7
7
12
9

Relative Humidity (%)

39
43
52
58
68
73
76
76
74
67
68
70
68
66
70
57
52
47
44
42
37
35
51
42

Pressure (mb)

1008
1008
1009
1010
1010
1011
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1010
1010
1010

Ozone (du)

378
376
375
375
377
377
381
380
381
382
380
378
378
373
369
368
365
361
356
352
350
349
346
345

Monday 20

Waxing Crescent 45%

14:04

23:24

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 05:24, Set: 20:39, Transit: 13:01. Moon - Rise: 14:04, Set: 23:24. Civil Dark: 21:16 - 04:47. Nautical Dark: 22:03 - 04:00. Astro Dark: 23:04 - 03:00

Total Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
95
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

52
22
52
41
22
24
1
3
20
20
35
74
46
1
4
43
13
52
54
65
56
69
77
86

Medium Clouds (% Sky Obscured)

7
3
11
48
56
86
91
100
100
100
92
78
100
62
82
79
69
60
75
100
68
64
98
98

High Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
100
100
66
100
100
100
100
74
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
6
5
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
4
3

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

Precipitation Probability (%)

35
66
33
3
0
0
0
3
20
36
19
0
10
6
0
0
0
0
1
8
40
75
93
95

Precipitation Amount (mm)

0
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
0.7

Wind Speed/Direction (mph)

10
10
9
6
6
7
6
3
3
4
4
4
4
6
7
9
10
11
13
13
13
13
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

20
20
20
20
18
17
17
17
15
15
14
14
13
13
13
14
14
17
17
18
18
18
19
17

Dew Point (°C)

11
16
19
18
17
15
14
14
13
13
11
10
9
10
11
11
11
12
12
12
12
15
18
18

Relative Humidity (%)

47
66
86
88
86
81
77
82
81
79
78
74
71
70
76
73
66
62
60
58
60
76
95
96

Pressure (mb)

1010
1010
1010
1010
1011
1011
1011
1010
1010
1010
1010
1009
1009
1009
1008
1008
1008
1007
1006
1006
1005
1005
1004
1004

Ozone (du)

344
346
342
339
338
338
337
335
337
335
336
337
341
343
340
341
340
338
337
335
336
337
336
337

Tuesday 21

First Quarter 55%

15:13

23:45

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 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
100
91
100
99
99
99
99
99
98
97
96
93
90
87
87
90
91
91
90
88
92
96
100

Low Clouds (% Sky Obscured)

89
93
91
93
90
86
87
88
89
83
76
71
69
66
68
75
81
88
88
83
84
78
72
65

Medium Clouds (% Sky Obscured)

95
91
71
61
65
69
64
81
79
78
74
70
65
65
65
55
3
20
23
4
3
21
40
59

High Clouds (% Sky Obscured)

100
100
16
50
32
90
70
90
90
92
93
95
93
87
80
75
80
5
3
0
0
10
27
50

ISS Passover

Visibility (miles)

6
6
9
5
0
0
0
5
4
0
0
0
0
0
0
0
0
0
0
0
5
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

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

Precipitation Probability (%)

95
95
95
95
95
95
95
95
74
73
95
95
94
71
44
24
16
6
7
5
10
2
4
0

Precipitation Amount (mm)

2.4
4.1
5.8
1.3
0.9
0.4
0.7
0.6
0.3
0.3
0.6
1
0.5
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

95
96
98
98
98
100
98
98
98
100
98
100
100
100
100
100
100
98
96
96
93
87
85
81

Pressure (mb)

1003
1003
1002
1001
1001
1001
1001
1001
1001
1001
1001
1000
1000
1001
1001
1001
1001
1002
1002
1003
1004
1004
1005
1005

Ozone (du)

340
345
345
340
339
337
337
335
335
335
339
338
341
348
348
349
349
352
352
355
359
362
369
371

Wednesday 22

Waxing Gibbous 65%

16:21

00:09

17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 OK
01 OK
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

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
99
99
95
92
89
71
37
19
56
84
79
75
73
73
68
66
66
56
60
60
72
71
71

Low Clouds (% Sky Obscured)

58
51
43
40
39
39
24
12
0
1
30
2
1
0
0
2
4
6
6
8
9
23
35
49

Medium Clouds (% Sky Obscured)

37
20
2
0
0
0
7
12
13
8
5
3
4
3
4
17
30
43
36
32
36
31
13
8

High Clouds (% Sky Obscured)

59
54
63
61
55
38
22
10
3
51
83
72
72
73
73
68
58
42
28
15
1
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
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
0
0
1
1
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
3
3
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)

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

Chance of Frost

Temperature (°C)

17
17
16
15
14
13
11
11
11
10
10
9
9
11
12
14
15
17
18
19
20
20
21
21

Feels Like (°C)

13
14
12
11
9
8
6
7
10
8
7
5
7
9
11
12
12
12
13
12
13
12
19
19

Dew Point (°C)

14
14
13
12
10
9
5
4
7
5
5
4
6
7
8
8
7
5
4
4
5
5
7
7

Relative Humidity (%)

81
82
81
78
78
75
66
60
78
72
70
70
80
78
76
67
56
47
39
38
37
36
38
41

Pressure (mb)

1006
1007
1008
1008
1009
1010
1010
1010
1011
1011
1012
1011
1012
1012
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014

Ozone (du)

371
371
373
375
374
371
372
373
370
370
370
372
371
371
372
372
372
372
372
372
372
372
372
372

Thursday 23

Waxing Gibbous 74%

No Rise

00:38

17 Bad
18 Bad
19 Bad
20 OK
21 OK
22 Good
23 Good
00 Good
01 Good
02 OK
03 OK
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

Sun - Rise: 05:27, Set: 20:36, Transit: 13:01. Moon - Rise: No Rise, 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)

66
59
52
35
28
12
6
8
13
30
45
60
59
57
60
71
84
93
90
84
62
72
85
99

Low Clouds (% Sky Obscured)

44
44
48
35
28
12
6
8
13
14
6
1
8
16
23
19
13
7
26
44
62
68
74
80

Medium Clouds (% Sky Obscured)

14
24
35
28
21
12
6
8
13
23
34
51
47
41
34
23
13
3
14
31
55
65
70
70

High Clouds (% Sky Obscured)

0
0
0
0
0
0
4
7
10
6
3
0
4
4
6
28
47
68
62
56
42
39
37
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
Very Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

5
6
1
2
1
0
0
0
0
0
0
0
2
3
1
1
0
0
13
21
27
63
83
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.5
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
20
18
17
16
15
14
14
14
14
14
13
13
14
16
17
18
19
21
20
19
19
17
17

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

43
48
56
64
69
73
78
76
75
74
78
80
83
76
68
62
53
48
42
40
38
36
43
52

Pressure (mb)

1014
1015
1015
1015
1016
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017

Ozone (du)

372
372
372
372
372
373
373
369
365
361
360
359
359
359
360
361
359
357
355
351
346
342
339
337

Friday 24

Waxing Gibbous 82%

17:25

01:16

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
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 05:28, Set: 20:35, Transit: 13:01. Moon - Rise: 17:25, 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)

99
100
100
100
100
100
95
89
83
71
63
69
86
94
93
93
99
100
100
99
99

Low Clouds (% Sky Obscured)

85
90
95
94
92
90
79
69
53
41
27
12
8
3
1
1
0
0
3
4
3

Medium Clouds (% Sky Obscured)

68
65
45
39
49
55
55
41
23
18
13
25
25
44
43
37
31
20
27
51
76

High Clouds (% Sky Obscured)

51
72
93
97
99
100
68
37
5
5
5
5
15
49
67
78
89
95
100
97
98

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

Fog (%)

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

Precipitation Probability (%)

95
90
79
67
51
31
23
16
3
5
3
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
68
72
77
79
82
86
83
82
81
79
76
73
71
67
64
56
51
45
42
39

Pressure (mb)

1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016

Ozone (du)

335
332
330
328
327
326
326
324
321
319
319
319
319
318
317
316
316
317
318
319
319

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

Generated: 18/07/26 17:33:42. Forecast: 18/07/26 to 24/07/26. Timezone: UTC-4.00