Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 24

Waxing Gibbous 60%

12:18

03:18

04 OK
05 OK
06 OK
07 OK
08 Good
09 OK
10 Bad
11 Bad
12 Bad
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

Sun - Rise: 05:50, Set: 19:50, Transit: 12:50. Moon - Rise: 12:18, Set: 03:18. Civil Dark: 20:22 - 05:18. Nautical Dark: 21:01 - 04:39. Astro Dark: 21:44 - 03:54

Total Clouds (% Sky Obscured)

34
26
44
22
6
27
56
64
60
76
83
86
86
83
78
28
2
2
9
5
3
0
0
0

Low Clouds (% Sky Obscured)

34
26
16
4
0
18
31
34
15
56
68
75
76
73
78
28
0
0
9
5
3
0
0
0

Medium Clouds (% Sky Obscured)

0
5
2
2
0
0
0
0
6
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
2
3
2
0
0
0
0
0
0
0
0
0
0
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
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
2
2
4
6
7
8
10
11
11
11
10
10
9
8
8
7
7
6
5
5
5
5

Chance of Frost

Temperature (°C)

0
-1
-1
0
2
4
5
7
8
8
9
9
9
9
9
8
6
4
3
2
2
1
0
-1

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
81
81
73
64
60
55
48
44
44
45
45
43
42
45
54
59
60
63
63
66
70
70
74

Pressure (mb)

1014
1014
1014
1014
1015
1014
1014
1014
1013
1013
1013
1013
1013
1013
1014
1015
1016
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

411
413
410
405
403
402
398
394
390
385
381
379
377
376
376
374
375
374
373
370
365
364
365
362

Saturday 25

Waxing Gibbous 70%

13:34

03:39

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

Sun - Rise: 05:48, Set: 19:51, Transit: 12:50. Moon - Rise: 13:34, Set: 03:39. Civil Dark: 20:23 - 05:16. Nautical Dark: 21:02 - 04:37. Astro Dark: 21:46 - 03:51

Total Clouds (% Sky Obscured)

1
3
18
45
5
60
67
100
72
55
72
100
100
95
98
99
100
100
100
100
100
84
34
85

Low Clouds (% Sky Obscured)

0
1
1
0
0
0
0
0
3
24
24
33
47
39
59
51
27
29
28
21
15
8
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
4
16
21
18
50
97
55
55
57
29
20
17

High Clouds (% Sky Obscured)

1
3
18
45
5
51
43
99
72
54
72
100
100
95
98
98
100
100
100
100
100
84
30
76

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)

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

Chance of Frost

Temperature (°C)

-1
-1
-1
0
3
6
8
10
11
12
13
14
14
14
13
12
10
8
7
6
6
5
4
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
80
81
71
58
49
42
37
34
31
31
30
30
33
46
57
65
70
73
78
79
79
79
82

Pressure (mb)

1017
1018
1018
1018
1019
1019
1018
1018
1017
1017
1017
1016
1016
1016
1016
1017
1017
1018
1019
1019
1019
1019
1019
1020

Ozone (du)

360
359
358
358
356
355
357
360
360
359
356
354
352
354
357
355
357
360
364
366
369
372
374
375

Sunday 26

Waxing Gibbous 80%

14:46

03:58

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

Sun - Rise: 05:47, Set: 19:52, Transit: 12:50. Moon - Rise: 14:46, Set: 03:58. Civil Dark: 20:24 - 05:15. Nautical Dark: 21:04 - 04:35. Astro Dark: 21:48 - 03:49

Total Clouds (% Sky Obscured)

100
66
49
34
24
24
42
41
22
23
35
52
32
27
18
2
2
0
0
0
0
0
8
17

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
14
22
23
35
42
32
27
18
1
1
0
0
0
0
0
8
17

Medium Clouds (% Sky Obscured)

24
0
0
0
0
0
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
66
49
34
22
8
15
16
3
5
9
22
2
1
1
0
0
0
0
0
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
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
4
3
4
5
6
7
7
7
7
7
7
6
6
5
5
5
4
4
3
3
3
3

Chance of Frost

Temperature (°C)

3
3
2
3
6
9
11
12
14
14
15
15
15
15
15
14
11
9
8
7
7
6
5
4

Feels Like (°C)

0
-1
-0
0
4
7
9
11
12
13
13
14
13
13
14
13
9
8
7
7
6
5
5
4

Dew Point (°C)

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

Relative Humidity (%)

83
82
83
77
67
61
55
51
49
45
44
44
44
45
49
61
68
77
81
84
84
85
86
88

Pressure (mb)

1020
1021
1021
1022
1022
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1023
1024
1024
1024
1024
1024
1025
1025

Ozone (du)

375
376
377
378
380
382
384
388
389
389
389
390
389
389
390
389
390
390
392
391
388
388
388
386

Monday 27

Waxing Gibbous 88%

15:56

03:58

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

Sun - Rise: 05:45, Set: 19:54, Transit: 12:49. Moon - Rise: 15:56, Set: 03:58. Civil Dark: 20:26 - 05:13. Nautical Dark: 21:05 - 04:33. Astro Dark: 21:50 - 03:47

Total Clouds (% Sky Obscured)

26
20
9
0
0
0
0
4
6
7
23
37
61
30
19
22
11
11
12
69
16
30
75
79

Low Clouds (% Sky Obscured)

26
20
9
0
0
0
0
1
1
2
1
0
0
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
2
4
4
3
1
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

3
3
0
0
0
0
0
3
5
7
23
37
61
30
19
2
1
2
3
18
16
30
48
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)

3
3
3
2
2
1
2
3
2
3
3
3
3
3
2
1
3
3
3
4
5
4
5
4

Chance of Frost

Temperature (°C)

3
3
4
6
8
10
13
15
16
17
18
18
18
18
18
16
13
12
11
9
9
8
7
7

Feels Like (°C)

3
2
3
6
8
11
13
15
17
18
18
18
18
18
17
16
13
11
10
8
6
7
5
4

Dew Point (°C)

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

Relative Humidity (%)

88
91
89
85
74
66
60
56
52
49
45
43
42
43
45
55
60
65
68
74
77
75
77
78

Pressure (mb)

1025
1026
1026
1027
1027
1027
1027
1027
1027
1026
1025
1025
1025
1024
1024
1024
1024
1024
1024
1024
1023
1023
1023
1024

Ozone (du)

385
387
389
392
388
386
383
379
377
376
373
370
368
366
363
362
361
359
357
357
356
355
348
343

Tuesday 28

Waxing Gibbous 94%

17:04

04:15

04 Bad
05 Bad
06 Bad
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
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:44, Set: 19:55, Transit: 12:49. Moon - Rise: 17:04, Set: 04:15. Civil Dark: 20:27 - 05:11. Nautical Dark: 21:07 - 04:31. Astro Dark: 21:52 - 03:45

Total Clouds (% Sky Obscured)

86
81
85
30
91
95
99
86
62
96
100
100
100
100
100
100
99
99
99
99
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9
16
24
40
62
81
84
87

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
15
27
35
36
28
28
32
39
40
54
64
75
76
81
94
75
54

High Clouds (% Sky Obscured)

62
58
56
30
71
86
99
86
62
96
100
100
100
100
100
100
96
93
89
92
96
100
98
93

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

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
10
23
33
77
68
46
40
27
15
18
18

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.4
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

7
7
7
8
11
13
15
16
18
19
20
20
20
20
18
16
14
13
12
11
11
11
11
11

Feels Like (°C)

4
3
4
5
8
9
10
11
13
15
15
14
14
15
14
12
8
8
7
8
7
7
6
5

Dew Point (°C)

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

Relative Humidity (%)

78
79
79
75
63
54
46
44
41
40
38
37
39
45
50
54
48
48
46
47
47
48
49
48

Pressure (mb)

1023
1023
1022
1023
1022
1022
1021
1020
1019
1018
1016
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013

Ozone (du)

342
341
338
341
339
336
336
336
338
336
335
336
336
336
336
336
337
338
339
340
342
344
346
352

Wednesday 29

Waxing Gibbous 98%

18:11

04:32

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
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:42, Set: 19:56, Transit: 12:49. Moon - Rise: 18:11, Set: 04:32. Civil Dark: 20:29 - 05:10. Nautical Dark: 21:09 - 04:30. Astro Dark: 21:53 - 03:42

Total Clouds (% Sky Obscured)

100
99
97
96
95
95
95
96
98
100
96
91
88
91
96
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

89
92
92
90
85
81
79
69
59
48
32
16
0
14
22
25
34
43
52
52
61
69
61
52

Medium Clouds (% Sky Obscured)

34
50
62
71
57
47
37
39
41
43
41
39
38
56
72
85
69
53
35
29
33
38
56
77

High Clouds (% Sky Obscured)

90
95
95
95
64
34
2
23
44
66
59
51
34
44
65
95
70
43
18
45
72
97
87
82

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 (%)

11
38
45
36
30
24
21
17
11
0
2
4
3
9
14
11
16
21
27
22
16
7
37
54

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

0
0
1
3
3
4
4
4
5
6
7
7
8
8
8
8
8
8
7
6
5
5
5
5

Relative Humidity (%)

48
48
53
59
64
65
63
64
63
63
62
64
67
69
72
76
79
79
76
74
77
80
82
84

Pressure (mb)

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

Ozone (du)

358
364
366
368
370
372
373
374
377
380
384
386
388
390
390
389
389
384
378
373
373
373
373
374

Thursday 30

Waxing Gibbous 100%

19:19

04:50

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
01 Bad

Sun - Rise: 05:41, Set: 19:57, Transit: 12:49. Moon - Rise: 19:19, Set: 04:50. Civil Dark: 20:30 - 05:08. Nautical Dark: 21:10 - 04:28. Astro Dark: 21:55 - 03:40

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
100
100
99
100
100
100
100
98
96
87
81
74
72
80
89
97

Low Clouds (% Sky Obscured)

43
29
14
15
42
66
87
75
63
52
57
57
57
50
42
42
48
40
37
44
52
59

Medium Clouds (% Sky Obscured)

99
98
97
95
91
89
87
89
94
98
88
77
67
46
26
7
4
2
0
0
0
0

High Clouds (% Sky Obscured)

79
74
63
50
25
25
40
40
80
80
80
80
70
23
8
0
0
0
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
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

Precipitation Type

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

Precipitation Probability (%)

70
76
73
56
43
28
12
18
16
12
23
25
18
34
35
34
23
12
0
4
6
5

Precipitation Amount (mm)

0.3
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
4
4
3
3
3
2
2
2
2
2
1
1
1
1
2
2
1
1
1
1
2

Relative Humidity (%)

84
85
82
79
76
73
68
64
62
61
60
59
59
59
60
63
65
65
66
67
71
76

Pressure (mb)

1012
1011
1012
1012
1012
1012
1012
1011
1011
1011
1010
1010
1010
1010
1011
1011
1012
1012
1012
1012
1012
1012

Ozone (du)

376
377
377
377
378
377
377
377
375
373
372
374
377
379
386
393
400
401
402
403
403
402

Forecast for Domaine-Joyeux, Montérégie, Canada (45.22,-73.09)

Generated: 24/04/26 04:37:12. Forecast: 24/04/26 to 30/04/26. Timezone: UTC-4.00