Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 26

Waning Gibbous 89%

23:29

07:22

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

Sun - Rise: 05:44, Set: 19:58, Transit: 12:52. Moon - Rise: 23:29, Set: 07:22. Civil Dark: 20:31 - 05:11. Nautical Dark: 21:12 - 04:29. Astro Dark: 21:58 - 03:43

Total Clouds (% Sky Obscured)

51
3
3
1
0
0
0
0
0
2
51
11
64
60
38
100
100
100
100
99
100
100
100
100

Low Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
25
0
91
100
96
98

High Clouds (% Sky Obscured)

0
0
0
1
0
0
0
0
0
2
59
12
72
70
57
100
100
100
100
99
100
74
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
3

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)

5
3
2
3
3
2
2
3
2
3
3
4
4
4
7
9
10
11
11
11
11
12
12
12

Chance of Frost

Temperature (°C)

10
9
6
3
2
2
2
2
1
2
2
2
1
2
6
7
9
10
11
11
12
12
12
11

Feels Like (°C)

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

Dew Point (°C)

-4
1
2
-0
-1
-2
-2
-3
-3
-3
-3
-2
-3
-4
-3
-3
-2
-1
0
2
2
2
1
1

Relative Humidity (%)

38
57
74
80
80
74
74
74
76
74
74
73
74
66
54
49
46
45
47
51
52
50
48
49

Pressure (mb)

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

Ozone (du)

413
409
402
399
394
393
392
393
398
391
387
383
378
373
370
368
366
365
365
366
366
365
363
362

Saturday 27

Waning Gibbous 82%

00:35

08:12

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
17 Bad

Sun - Rise: 05:42, Set: 20:00, Transit: 12:52. Moon - Rise: 00:35, Set: 08:12. Civil Dark: 20:33 - 05:09. Nautical Dark: 21:14 - 04:27. Astro Dark: 22:01 - 03:41

Total Clouds (% Sky Obscured)

100
100
100
100
95
100
100
100
100
100
100
100
97
97
98
95
100
100
100
100
99
100
95
96

Low Clouds (% Sky Obscured)

25
27
39
62
92
100
100
100
95
95
92
96
93
92
95
86
100
100
100
100
95
96
75
88

Medium Clouds (% Sky Obscured)

100
100
100
95
86
73
22
25
67
66
63
78
84
57
33
33
27
39
0
0
20
49
24
17

High Clouds (% Sky Obscured)

100
100
100
100
37
100
72
70
100
69
91
100
35
35
35
35
40
49
45
45
45
55
23
10

ISS Passover

Visibility (miles)

9
9
5
3
3
3
2
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
1
83
100
100
100
100
100
95
64
25
4
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

21
74
95
95
90
19
13
5
19
55
87
81
61
51
67
77
46
30
11
5
5
13
18
18

Precipitation Amount (mm)

0
0.4
1.1
1
0.7
0
0
0
0
0.2
0.3
0.4
0
0
0.3
0.5
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

3
4
5
7
7
7
7
7
7
7
7
7
7
8
8
9
10
11
11
12
12
13
13
14

Relative Humidity (%)

58
67
77
91
95
98
98
98
98
98
98
98
98
98
96
98
96
98
98
98
98
98
98
98

Pressure (mb)

1023
1023
1023
1023
1022
1021
1020
1020
1019
1019
1018
1018
1018
1017
1017
1016
1016
1015
1015
1015
1014
1015
1014
1014

Ozone (du)

362
360
360
359
358
364
369
373
374
374
371
370
370
372
364
360
357
355
353
351
349
349
348
347

Sunday 28

Waning Gibbous 72%

01:32

09:15

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
17 Bad

Sun - Rise: 05:41, Set: 20:01, Transit: 12:51. Moon - Rise: 01:32, Set: 09:15. Civil Dark: 20:34 - 05:07. Nautical Dark: 21:16 - 04:25. Astro Dark: 22:03 - 03:38

Total Clouds (% Sky Obscured)

97
84
85
97
97
98
98
100
96
96
93
93
98
98
94
91
86
89
91
98
99
98
100
100

Low Clouds (% Sky Obscured)

92
61
61
41
61
71
76
78
80
77
71
70
67
67
66
54
37
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

38
12
50
52
78
86
82
52
29
36
45
64
86
85
71
63
44
72
75
80
82
92
100
100

High Clouds (% Sky Obscured)

6
35
40
86
67
39
41
58
45
41
31
51
57
45
50
58
67
78
49
95
96
81
98
99

ISS Passover

Visibility (miles)

2
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 (%)

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

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
10
7
6
4
3
2
2
1
0
-1
-1
-1
-1
-1
-1
-3
-4
-4
-4
-3
-4
-4
-1

Relative Humidity (%)

98
95
93
91
93
93
93
93
88
88
86
86
88
84
77
68
55
44
40
37
36
35
35
43

Pressure (mb)

1015
1017
1018
1019
1020
1020
1020
1020
1021
1021
1021
1021
1022
1022
1023
1023
1022
1022
1021
1020
1019
1020
1019
1019

Ozone (du)

346
346
347
347
346
345
346
345
344
344
343
342
342
343
344
342
341
340
339
339
338
336
334
335

Monday 29

Waning Gibbous 62%

02:17

10:30

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
17 Bad

Sun - Rise: 05:39, Set: 20:02, Transit: 12:51. Moon - Rise: 02:17, Set: 10:30. Civil Dark: 20:36 - 05:06. Nautical Dark: 21:18 - 04:23. Astro Dark: 22:05 - 03:36

Total Clouds (% Sky Obscured)

100
100
100
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)

0
0
0
0
0
18
34
47
33
23
8
25
44
59
58
55
59
65
70
74
76
75
72
50

Medium Clouds (% Sky Obscured)

99
76
100
99
100
100
100
100
100
100
100
89
61
46
88
100
100
73
73
96
98
99
100
100

High Clouds (% Sky Obscured)

99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
97
95
89
95
98
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 (%)

4
3
6
10
25
42
27
21
30
27
8
13
11
2
3
3
0
0
1
1
13
17
23
29

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-2
1
2
3
1
-0
-1
-2
-2
-3
-2
-2
-3
-3
-4
-3
-4
-3
-4
-3
-2
-1
-1
1

Relative Humidity (%)

46
56
67
71
66
63
61
59
57
58
60
62
62
63
61
60
56
56
55
52
55
58
57
62

Pressure (mb)

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

Ozone (du)

334
335
335
332
333
332
334
336
337
340
339
341
343
346
346
347
348
352
353
355
359
361
369
365

Tuesday 30

Waning Gibbous 50%

02:52

11:50

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
17 Bad

Sun - Rise: 05:37, Set: 20:04, Transit: 12:51. Moon - Rise: 02:52, Set: 11:50. Civil Dark: 20:37 - 05:04. Nautical Dark: 21:19 - 04:22. Astro Dark: 22:07 - 03:33

Total Clouds (% Sky Obscured)

100
95
75
100
100
100
100
100
100
100
100
100
92
100
100
100
100
90
79
69
75
82
89
68

Low Clouds (% Sky Obscured)

62
57
69
85
87
78
68
56
50
46
46
32
18
5
14
17
21
29
24
26
17
8
0
0

Medium Clouds (% Sky Obscured)

100
76
57
56
60
66
60
60
55
55
55
48
46
49
47
46
44
36
28
24
18
21
23
17

High Clouds (% Sky Obscured)

100
89
10
10
10
10
10
12
10
5
10
8
5
1
8
17
24
29
31
35
51
67
83
67

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

45
61
86
95
95
95
95
95
93
81
67
55
40
14
20
15
2
3
2
0
0
0
0
0

Precipitation Amount (mm)

0
0
0.5
0.9
1.4
1.3
1.3
1.3
1
0.8
0.6
0.4
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
4
4
5
5
5
4
4
3
3
3
3
3
4
4
4
4
4
3
4
4
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

4
4
3
4
2
1
0
0
-1
-1
-1
-1
-0
0
1
1
1
1
2
2
1
10
10
11

Dew Point (°C)

-1
0
2
2
-1
-3
-5
-5
-4
-5
-5
-5
-5
-5
-5
-4
-4
-4
-3
-2
-1
-1
1
2

Relative Humidity (%)

58
66
79
79
68
60
54
57
61
58
58
58
59
57
55
52
48
45
44
43
41
42
44
46

Pressure (mb)

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

Ozone (du)

363
363
360
361
360
361
363
363
361
359
358
359
361
363
363
360
357
354
355
356
356
358
360
361

Wednesday 1

Third Quarter 39%

03:19

13:12

18 Bad
19 OK
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 OK
09 OK
10 OK
11 OK
12 OK
13 OK
14 Bad
15 Bad
16 Bad
17 Bad

Sun - Rise: 05:36, Set: 20:05, Transit: 12:51. Moon - Rise: 03:19, Set: 13:12. Civil Dark: 20:39 - 05:02. Nautical Dark: 21:21 - 04:20. Astro Dark: 22:09 - 03:31

Total Clouds (% Sky Obscured)

54
38
59
80
95
75
58
50
56
66
82
82
75
57
41
32
19
25
30
36
69
75
78
73

Low Clouds (% Sky Obscured)

0
0
0
0
0
1
1
0
0
0
4
1
5
6
19
26
28
26
27
30
37
36
34
43

Medium Clouds (% Sky Obscured)

10
2
2
2
2
13
22
33
29
24
28
48
58
58
47
40
33
37
45
48
64
72
75
70

High Clouds (% Sky Obscured)

51
35
55
79
95
86
76
67
75
84
93
75
66
64
61
46
43
43
52
57
67
70
77
53

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 (%)

1
2
1
0
0
0
1
1
10
14
15
13
10
3
7
9
7
11
12
8
41
58
72
71

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
0.4
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

2
3
4
3
3
2
2
2
2
2
2
3
3
4
5
3
2
0
-0
-0
-0
-1
-0
0

Relative Humidity (%)

53
63
75
76
78
78
76
75
74
76
80
83
82
82
81
66
54
45
42
39
36
36
36
37

Pressure (mb)

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

Ozone (du)

362
363
363
363
363
362
364
365
366
365
365
365
366
366
366
367
368
369
368
368
368
368
368
368

Thursday 2

Waning Crescent 27%

03:41

14:33

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: 05:34, Set: 20:06, Transit: 12:51. Moon - Rise: 03:41, Set: 14:33. Civil Dark: 20:40 - 05:01. Nautical Dark: 21:23 - 04:18. Astro Dark: 22:11 - 03:28

Total Clouds (% Sky Obscured)

68
66
63
55
48
65
82
98
99
99
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

53
60
61
54
49
36
32
25
20
25
47
61
77
85
89
93
100
93
86
78

Medium Clouds (% Sky Obscured)

60
50
45
40
25
24
36
39
58
74
88
82
78
73
64
54
44
47
50
53

High Clouds (% Sky Obscured)

28
5
6
9
11
30
51
75
70
59
43
33
23
8
15
18
20
30
40
56

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

68
62
51
39
24
20
15
5
24
37
50
52
52
51
51
50
49
40
29
4

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
14
15
8
9
10
10
10
10
6
7
6
6
6
4
9
9
9
9
10

Dew Point (°C)

2
4
5
5
5
5
5
5
5
5
5
5
6
6
5
5
5
5
5
4

Relative Humidity (%)

46
57
68
72
76
80
80
78
78
81
85
88
84
80
74
68
64
59
55
51

Pressure (mb)

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

Ozone (du)

369
370
370
370
369
369
368
368
368
365
363
361
359
358
357
356
354
352
349
346

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

Generated: 26/04/24 18:03:30. Forecast: 26/04/24 to 02/05/24. Timezone: UTC-4.00