Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 25

Waning Gibbous 98%

21:05

06:16

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

Sun - Rise: 05:47, Set: 19:56, Transit: 12:52. Moon - Rise: 21:05, Set: 06:16. Civil Dark: 20:28 - 05:14. Nautical Dark: 21:09 - 04:33. Astro Dark: 21:54 - 03:48

Total Clouds (% Sky Obscured)

98
100
28
28
24
14
4
0
0
0
1
1
1
7
6
9
22
25
16
0
4
8
3
0

Low Clouds (% Sky Obscured)

66
44
37
40
32
21
6
0
0
0
0
0
0
8
7
12
30
32
21
0
6
0
0
0

Medium Clouds (% Sky Obscured)

86
100
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0

High Clouds (% Sky Obscured)

48
6
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
9
9
9

Fog (%)

-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-9
-8
-8
-8
-8
-8
-8
-9
-10
-9
-9
-10
-10
-11
-10
-11
-11
-11
-11
-10
-9
-7
-6
-4

Dew Point (°C)

-7
-9
-12
-14
-15
-15
-15
-15
-16
-16
-15
-14
-14
-14
-14
-14
-14
-13
-13
-13
-14
-17
-18
-19

Relative Humidity (%)

70
57
45
38
36
37
38
40
42
42
46
49
52
55
56
57
59
60
61
57
50
37
29
25

Pressure (mb)

1013
1014
1015
1016
1017
1018
1019
1021
1023
1023
1024
1025
1025
1026
1026
1026
1027
1028
1028
1029
1029
1030
1030
1029

Ozone (du)

456
457
463
470
469
463
463
469
479
474
469
469
473
472
466
466
464
462
459
457
457
460
464
470

Friday 26

Waning Gibbous 95%

22:17

06:44

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

Sun - Rise: 05:45, Set: 19:57, Transit: 12:52. Moon - Rise: 22:17, Set: 06:44. Civil Dark: 20:30 - 05:12. Nautical Dark: 21:11 - 04:31. Astro Dark: 21:56 - 03:45

Total Clouds (% Sky Obscured)

0
43
94
99
65
35
23
1
0
0
0
1
1
1
1
6
5
6
2
2
3
2
1
12

Low Clouds (% Sky Obscured)

0
18
32
77
18
26
26
0
0
0
0
0
0
0
0
0
2
2
0
0
0
0
0
13

Medium Clouds (% Sky Obscured)

0
14
53
90
48
21
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
21
60
40
2
0
0
0
0
0
0
2
2
1
0
0
0
0
0
0
2
2
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 (%)

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)

7
7
8
8
9
9
9
7
5
4
4
3
3
3
2
2
1
1
1
1
2
3
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-18
-17
-17
-16
-15
-15
-15
-13
-12
-12
-12
-13
-13
-12
-13
-13
-13
-14
-14
-14
-14
-14
-13
-12

Relative Humidity (%)

23
22
21
22
23
24
26
31
43
46
46
46
47
49
49
48
48
47
46
40
33
29
29
28

Pressure (mb)

1029
1028
1027
1027
1026
1026
1026
1027
1028
1029
1030
1030
1030
1031
1031
1032
1032
1032
1033
1034
1034
1033
1033
1032

Ozone (du)

467
461
453
449
448
447
444
441
440
438
437
435
435
433
431
432
431
432
432
431
430
430
429
427

Saturday 27

Waning Gibbous 89%

23:29

07:22

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

21
71
87
80
77
87
63
39
2
0
0
0
3
5
4
8
7
5
26
33
87
91
87
79

Low Clouds (% Sky Obscured)

23
81
12
30
41
26
52
35
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
14
56
47
36
47
29
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
2
2
2
3
4
2
34
40
84
83
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
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
5
5
5
5
4
3
3
2
2
2
2
2
2
3
3
3
4
4
7
9
10
11

Chance of Frost

Temperature (°C)

7
8
9
9
9
9
8
7
4
2
2
1
1
0
0
0
0
0
0
2
5
7
8
9

Feels Like (°C)

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

Dew Point (°C)

-10
-9
-8
-7
-7
-7
-4
-1
-1
-3
-3
-3
-4
-4
-4
-4
-4
-3
-3
-3
-3
-2
-2
-2

Relative Humidity (%)

29
30
30
30
31
33
42
58
71
72
73
74
74
73
73
74
77
78
78
72
59
53
50
49

Pressure (mb)

1032
1031
1031
1030
1030
1030
1030
1030
1031
1032
1032
1032
1032
1032
1032
1032
1032
1033
1032
1032
1032
1031
1030
1030

Ozone (du)

422
416
414
413
412
410
406
399
397
398
397
396
395
392
390
389
389
386
382
381
379
378
376
375

Sunday 28

Waning Gibbous 82%

00:35

08:12

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
08 Bad
09 Bad
10 Bad
11 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)

92
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
0
5
28
49
90
89
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

0
20
68
89
99
99
100
100
100
100
100
84
82
32
79
45
89
60
64
71
63
59
53
52

High Clouds (% Sky Obscured)

83
100
100
100
90
100
100
99
100
100
100
98
75
82
93
87
80
63
17
24
100
100
100
97

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
7
9
9
3
9
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
Light Rain
Light Rain
None
None
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
11
67
75
52
58
61
43
26
30
35
40
27
20
15
16
23
20
29

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.4
0.5
0
0
0.4
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-1
1
1
2
1
2
3
4
4
5
6
8
8
8
7
7
7
7
7
7
7
8
9
10

Relative Humidity (%)

48
50
51
51
49
51
60
66
70
84
90
96
98
98
98
98
98
98
98
98
98
98
96
98

Pressure (mb)

1029
1028
1027
1026
1025
1024
1023
1023
1022
1023
1022
1021
1021
1020
1020
1019
1019
1019
1018
1018
1018
1018
1018
1017

Ozone (du)

374
372
371
370
368
366
363
362
362
361
363
366
368
371
372
374
374
371
372
374
368
365
356
358

Monday 29

Waning Gibbous 72%

01:32

09:15

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
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 05:41, Set: 20:01, Transit: 12:52. 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)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
100
100
100

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
97
94
90
85
79
73
76
77
78
82
91
97
93

Medium Clouds (% Sky Obscured)

60
52
81
89
85
91
85
79
82
57
50
54
69
73
61
97
60
80
100
82
72
65
60
79

High Clouds (% Sky Obscured)

97
95
89
89
89
90
95
79
97
15
19
52
83
79
66
62
100
100
100
87
38
81
40
57

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
8
3
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

34
32
34
30
33
26
22
7
7
18
17
8
7
1
3
9
1
10
25
26
36
37
27
36

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

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

Pressure (mb)

1017
1017
1016
1016
1016
1016
1017
1017
1017
1018
1019
1019
1019
1019
1019
1019
1020
1020
1021
1021
1022
1021
1021
1021

Ozone (du)

350
349
347
348
347
346
347
344
342
341
340
340
341
341
340
339
341
341
340
340
338
339
338
336

Tuesday 30

Waning Gibbous 62%

02:17

10:30

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
08 Bad
09 Bad
10 Bad
11 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)

88
83
88
93
100
100
100
100
97
95
92
94
94
94
96
98
100
100
100
100
100
100
100
93

Medium Clouds (% Sky Obscured)

98
100
100
100
67
99
76
51
51
51
52
62
74
89
92
96
100
100
100
100
90
85
84
83

High Clouds (% Sky Obscured)

75
91
15
97
97
97
97
97
98
100
100
100
100
99
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

0
0
0
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

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

Precipitation Probability (%)

51
38
50
47
39
28
21
8
21
23
18
31
43
55
88
95
95
95
95
95
95
95
89
95

Precipitation Amount (mm)

0.3
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.8
1
1.5
1.7
1.7
1.3
0.9
0.6
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

8
9
9
9
9
9
8
8
8
8
8
8
8
8
8
8
8
8
9
9
9
9
10
10

Feels Like (°C)

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

Dew Point (°C)

8
8
8
9
8
8
8
8
8
8
8
8
8
8
8
8
8
8
9
9
9
9
10
10

Relative Humidity (%)

96
96
96
100
98
96
98
100
98
98
98
98
100
100
100
100
100
100
100
100
100
98
98
100

Pressure (mb)

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

Ozone (du)

334
333
330
330
330
330
332
332
333
334
335
336
334
333
331
332
333
334
336
338
339
340
341
342

Wednesday 1

Third Quarter 50%

02:52

11:50

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
08 OK
09 OK
10 OK
11 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
100
100
100
100
100
100
100
100
99
98
84
69
54
55
66
76
70
65
57
47
41
36
53

Low Clouds (% Sky Obscured)

87
79
86
92
99
90
82
72
75
81
88
75
61
46
52
63
76
65
55
45
31
20
12
28

Medium Clouds (% Sky Obscured)

88
87
87
90
92
73
55
38
46
54
62
44
26
14
6
3
0
5
12
23
17
10
2
19

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
90
85
78
59
35
15
9
5
1
0
0
0
5
11
16
25

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
0
0
0
0
3
6
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

Light Rain
Light Rain
Light Rain
Light Rain
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

Precipitation Probability (%)

95
95
95
95
95
95
85
63
51
36
25
21
14
1
1
1
0
0
0
0
1
0
0
12

Precipitation Amount (mm)

0.8
0.7
0.8
0.9
1
0.8
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
98
98
96
96
98
96
98
98
100
100
100
100
98
98
96
95
93
90
87
82
73
66
60

Pressure (mb)

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

Ozone (du)

342
342
342
342
342
342
343
344
345
349
353
357
355
353
352
355
359
363
368
373
378
375
372
369

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

Generated: 25/04/24 09:47:48. Forecast: 25/04/24 to 01/05/24. Timezone: UTC-4.00