Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 22

Waxing Crescent 45%

11:22

01:27

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

Sun - Rise: 05:12, Set: 20:30, Transit: 12:51. Moon - Rise: 11:22, Set: 01:27. Civil Dark: 21:07 - 04:35. Nautical Dark: 21:55 - 03:47. Astro Dark: 22:56 - 02:46

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
80
59
58
54
67
88
89
92
85
76
13
1
4
2
3

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
35
11
2
2
20
19
21
17
25
2
13
1
2
2
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
39
33
39
33
41
47
51
62
71
76
7
1
2
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
4
3
3
6
25
12
10
37
44
34
0
1
0
0
3

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

Chance of Frost

Temperature (°C)

1
1
1
1
-1
-0
4
7
9
11
11
13
14
14
15
15
14
14
13
11
8
7
6
6

Feels Like (°C)

1
0
0
-0
-2
-2
3
6
8
9
10
11
12
12
13
12
11
11
10
9
6
6
5
5

Dew Point (°C)

-5
-5
-5
-5
-7
-7
-5
-4
-4
-4
-5
-4
-3
-3
-2
-2
-2
-1
3
4
2
2
2
1

Relative Humidity (%)

64
65
65
65
66
61
52
46
40
35
32
31
31
30
30
31
31
37
50
63
65
71
72
70

Pressure (mb)

1030
1030
1031
1031
1031
1032
1031
1031
1031
1030
1030
1029
1029
1028
1028
1027
1027
1028
1028
1029
1030
1031
1031
1032

Ozone (du)

371
367
367
367
368
367
367
365
366
364
363
364
363
362
364
366
366
369
368
370
371
375
372
369

Saturday 23

First Quarter 56%

12:38

01:49

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

Sun - Rise: 05:11, Set: 20:31, Transit: 12:51. Moon - Rise: 12:38, Set: 01:49. Civil Dark: 21:08 - 04:34. Nautical Dark: 21:57 - 03:46. Astro Dark: 22:58 - 02:44

Total Clouds (% Sky Obscured)

2
4
10
12
21
38
33
38
37
35
100
96
89
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
3
2
0
0
0
0
0
0
0
0
0
0
0

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
4
10
12
21
38
33
38
37
35
100
93
75
100
100
100
100
100
100
100
100
100
100
100

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

Chance of Frost

Temperature (°C)

6
5
4
4
3
3
7
10
12
13
14
15
16
16
17
17
16
16
15
12
10
9
8
8

Feels Like (°C)

5
4
3
2
1
0
4
8
9
10
10
11
12
13
13
13
13
13
13
10
7
7
6
7

Dew Point (°C)

1
1
1
0
0
-1
0
1
0
-1
-1
-1
-0
-0
1
2
3
4
7
7
6
6
5
5

Relative Humidity (%)

71
73
76
77
80
74
64
51
45
40
36
35
33
33
35
38
41
44
57
71
76
80
79
81

Pressure (mb)

1032
1032
1033
1033
1034
1034
1034
1034
1034
1034
1033
1033
1032
1032
1031
1031
1031
1031
1031
1031
1032
1032
1032
1032

Ozone (du)

370
369
368
369
367
367
368
367
365
363
361
361
359
356
355
354
352
350
350
350
349
349
349
349

Sunday 24

Waxing Gibbous 66%

13:50

02:07

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
22 Bad
23 Bad
00 Bad

Sun - Rise: 05:10, Set: 20:32, Transit: 12:51. Moon - Rise: 13:50, Set: 02:07. Civil Dark: 21:09 - 04:33. Nautical Dark: 21:58 - 03:44. Astro Dark: 23:01 - 02:42

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
99
100
99
95
96
98
99
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
19
30
35
84
98
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

0
43
75
75
80
80
80
75
75
92
90
95
100
89
89
86
92
96
96
100
99
100
86
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
91
87
42
40
85
90
95
45
45
40
79
93
95
97
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
3
5
6
9
9
9
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
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
1
4
12
41
81
90
80
68
59
49
65
70
55
52

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

3
3
3
3
3
3
3
5
7
9
11
12
13
13
12
10
9
9
10
11
11
11
10
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
4
3
3
3
3
3
3
1
0
1
3
2
7
11
10
8
7
7
6
7
6
7

Relative Humidity (%)

79
78
75
74
74
73
68
60
55
44
39
41
46
44
62
90
95
95
94
96
94
96
96
98

Pressure (mb)

1032
1032
1031
1031
1031
1031
1031
1031
1031
1030
1029
1029
1028
1028
1027
1028
1027
1027
1027
1027
1026
1026
1025
1024

Ozone (du)

348
349
349
349
349
347
346
345
344
344
345
346
347
345
342
340
340
340
341
339
337
338
339
340

Monday 25

Waxing Gibbous 76%

14:59

02:24

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
22 OK
23 Bad
00 Bad

Sun - Rise: 05:09, Set: 20:34, Transit: 12:51. Moon - Rise: 14:59, Set: 02:24. Civil Dark: 21:11 - 04:32. Nautical Dark: 22:00 - 03:43. Astro Dark: 23:03 - 02:40

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
99
100
100
100
100
100
100
95
91
83
80
78
17
83
85

Low Clouds (% Sky Obscured)

100
100
100
100
99
98
99
99
99
99
99
100
100
100
100
100
95
91
83
80
78
2
8
13

Medium Clouds (% Sky Obscured)

99
100
100
100
100
100
100
99
97
80
37
22
1
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
81
62
53
52
1
0
0
0
0
0
0
0
0
0
0
0
0
1
10
15

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
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
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

50
38
55
70
75
95
91
73
59
57
34
20
5
2
2
7
20
7
19
1
4
0
0
0

Precipitation Amount (mm)

0.2
0
0
0.4
0.4
0.7
0.6
0.3
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

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

Ozone (du)

342
342
343
344
346
346
351
361
371
367
364
369
371
372
373
376
374
370
367
365
364
363
362
362

Tuesday 26

Waxing Gibbous 84%

16:07

02:40

01 Bad
02 Bad
03 Bad
04 Bad
05 OK
06 OK
07 OK
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

Sun - Rise: 05:08, Set: 20:35, Transit: 12:51. Moon - Rise: 16:07, Set: 02:40. Civil Dark: 21:12 - 04:31. Nautical Dark: 22:01 - 03:42. Astro Dark: 23:05 - 02:38

Total Clouds (% Sky Obscured)

90
91
95
44
35
28
18
82
86
100
100
92
94
96
98
100
99
98
89
78
73
71
80
87

Low Clouds (% Sky Obscured)

30
41
58
44
35
28
18
27
35
15
13
17
15
24
38
52
47
44
41
47
53
59
53
46

Medium Clouds (% Sky Obscured)

0
0
0
0
6
10
15
24
35
50
52
92
94
71
79
92
89
87
77
71
66
68
58
48

High Clouds (% Sky Obscured)

30
49
68
21
13
14
12
67
72
100
100
92
64
29
36
41
34
33
23
16
9
8
37
65

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
5
9
11
8
11
11
25
32
37
45
44
40
37
32

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)

2
2
2
3
2
3
3
5
7
9
10
10
10
10
12
12
13
11
10
9
8
6
5
4

Chance of Frost

Temperature (°C)

7
7
7
7
7
8
10
12
14
16
17
18
18
19
21
20
19
19
17
16
15
15
14
13

Feels Like (°C)

6
6
5
5
7
9
11
13
12
13
14
15
15
16
18
18
17
18
17
17
12
13
13
14

Dew Point (°C)

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

Relative Humidity (%)

96
96
96
96
96
98
91
89
80
67
57
44
41
44
51
56
64
72
79
87
90
95
96
95

Pressure (mb)

1019
1019
1019
1019
1019
1018
1018
1017
1017
1016
1015
1014
1013
1013
1012
1012
1011
1011
1011
1011
1011
1011
1011
1012

Ozone (du)

362
365
367
371
368
362
357
355
354
352
352
353
351
351
352
352
352
352
352
352
354
357
359
359

Wednesday 27

Waxing Gibbous 90%

17:16

02:56

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 Good
17 Good
18 Good
19 Good
20 Good
21 Good
22 Good
23 Good
00 Good

Sun - Rise: 05:08, Set: 20:36, Transit: 12:52. Moon - Rise: 17:16, Set: 02:56. Civil Dark: 21:13 - 04:30. Nautical Dark: 22:03 - 03:41. Astro Dark: 23:07 - 02:36

Total Clouds (% Sky Obscured)

94
98
99
100
100
100
100
96
91
86
58
27
0
1
2
3
3
3
4
3
3
2
2
2

Low Clouds (% Sky Obscured)

40
47
55
62
73
83
94
94
91
86
58
27
0
1
2
3
3
3
4
3
3
2
2
2

Medium Clouds (% Sky Obscured)

39
57
76
90
85
65
50
30
15
10
5
5
0
1
2
0
0
0
0
0
0
0
2
2

High Clouds (% Sky Obscured)

83
76
86
100
81
60
44
38
31
30
30
27
0
1
2
1
0
0
0
0
0
2
1
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
Very Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

26
27
27
22
42
58
74
95
95
95
95
95
84
70
50
8
8
5
1
2
2
1
3
6

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
1.3
2.2
3.2
1.6
1
0.6
0.4
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
11
11
10
10
10
9
8
8
7
6
4
2
0
-1
-1
-1
0
2
3
2
2
1
1

Relative Humidity (%)

96
96
95
93
91
88
83
80
73
70
64
52
42
34
34
35
35
40
47
55
58
62
66
69

Pressure (mb)

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

Ozone (du)

360
360
363
365
368
371
374
377
380
383
387
384
381
378
377
376
376
376
377
378
378
377
377
374

Thursday 28

Waxing Gibbous 95%

18:24

03:15

Sun - Rise: 05:07, Set: 20:37, Transit: 12:52. Moon - Rise: 18:24, Set: 03:15. Civil Dark: 21:14 - 04:29. Nautical Dark: 22:04 - 03:40. Astro Dark: 23:09 - 02:34

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 22/05/26 01:44:12. Forecast: 22/05/26 to 28/05/26. Timezone: UTC-4.00