Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 19

Waxing Crescent 16%

07:32

23:14

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
18 OK
19 Good
20 OK
21 OK

Sun - Rise: 05:56, Set: 19:45, Transit: 12:51. Moon - Rise: 07:32, Set: 23:14. Civil Dark: 20:16 - 05:25. Nautical Dark: 20:54 - 04:47. Astro Dark: 21:36 - 04:05

Total Clouds (% Sky Obscured)

76
85
90
92
96
90
93
89
90
91
64
66
77
89
92
100
95
96
74
92
48
12
38
37

Low Clouds (% Sky Obscured)

65
0
28
42
52
79
86
77
10
26
46
53
69
87
83
100
39
33
34
15
39
2
26
23

Medium Clouds (% Sky Obscured)

68
53
53
55
57
45
54
48
54
48
0
0
2
2
18
70
55
59
27
45
19
5
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0
0
3
2
0
3
4
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 (%)

20
23
29
26
22
15
24
13
10
8
7
7
5
4
1
0
0
2
0
1
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)

0
1
6
6
5
4
6
9
8
7
8
9
9
10
11
11
11
10
10
10
9
8
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-3
-2
-2
-2
-2
-2
-3
-3
-5
-6
-8
-8
-10
-10
-11
-11
-11
-11
-11
-12
-12
-10
-10
-10

Relative Humidity (%)

69
76
81
84
84
84
81
83
77
70
55
54
44
40
36
34
34
33
33
31
32
39
47
50

Pressure (mb)

1012
1012
1013
1013
1014
1015
1016
1016
1018
1019
1021
1021
1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1024
1025

Ozone (du)

406
404
406
409
412
414
412
414
414
413
414
416
419
428
441
448
458
458
454
451
453
452
453
454

Monday 20

Waxing Crescent 26%

08:32

00:30

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

Sun - Rise: 05:55, Set: 19:46, Transit: 12:50. Moon - Rise: 08:32, Set: 00:30. Civil Dark: 20:17 - 05:23. Nautical Dark: 20:56 - 04:45. Astro Dark: 21:38 - 04:03

Total Clouds (% Sky Obscured)

32
3
0
0
0
0
0
2
36
57
75
53
100
95
88
93
86
98
97
93
90
97
95
99

Low Clouds (% Sky Obscured)

20
1
0
0
0
0
0
0
0
0
0
0
0
0
8
10
9
7
15
15
15
15
33
50

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
10
54
72
51
99
93
82
88
84
93
95
84
88
97
91
97

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
36
29
4
4
59
67
0
0
0
0
0
17
89
82
90
90

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
8
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
5
9
20
41
54
52

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
0.3
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-9
-9
-9
-9
-9
-9
-10
-10
-10
-10
-8
-9
-10
-11
-11
-10
-9
-8
-8
-7
-5
-2
2
3

Relative Humidity (%)

55
57
59
60
63
64
64
64
62
59
54
44
37
33
31
31
32
32
32
35
42
54
80
88

Pressure (mb)

1025
1026
1026
1026
1026
1027
1027
1027
1027
1027
1027
1027
1027
1026
1025
1024
1023
1022
1022
1021
1020
1020
1020
1020

Ozone (du)

458
466
466
455
444
436
436
428
421
418
414
411
406
405
408
408
408
401
393
388
389
387
383
380

Tuesday 21

Waxing Crescent 37%

09:43

01:31

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
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 05:53, Set: 19:47, Transit: 12:50. Moon - Rise: 09:43, Set: 01:31. Civil Dark: 20:19 - 05:22. Nautical Dark: 20:58 - 04:43. Astro Dark: 21:40 - 04:01

Total Clouds (% Sky Obscured)

100
100
100
100
100
99
94
100
99
94
91
97
100
100
96
75
68
88
92
92
93
92
91
87

Low Clouds (% Sky Obscured)

70
74
68
69
85
81
82
100
93
74
77
78
65
42
14
21
15
13
15
19
31
34
22
28

Medium Clouds (% Sky Obscured)

100
100
100
95
55
49
33
26
43
28
13
24
40
40
49
39
39
40
40
36
39
39
46
45

High Clouds (% Sky Obscured)

80
75
0
0
0
0
0
0
0
5
3
41
50
2
0
0
0
0
0
0
1
2
1
1

ISS Passover

Visibility (miles)

9
9
9
9
8
9
9
9
9
7
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

34
30
36
37
47
32
24
9
34
23
2
1
14
4
13
4
2
1
1
1
1
1
0
0

Precipitation Amount (mm)

0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
9
9
8
8
8
7
5
5
6
8
9
7
7
7
7
6
5
4
2
2
3
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
86
89
93
94
94
94
94
94
93
94
91
87
77
71
73
64
60
62
65
70
73
76
75

Pressure (mb)

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

Ozone (du)

382
384
386
387
387
386
387
391
395
397
399
402
405
408
412
411
406
404
402
401
401
401
401
400

Wednesday 22

Waxing Crescent 49%

11:00

02:17

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

Sun - Rise: 05:51, Set: 19:49, Transit: 12:50. Moon - Rise: 11:00, Set: 02:17. Civil Dark: 20:20 - 05:20. Nautical Dark: 20:59 - 04:41. Astro Dark: 21:42 - 03:58

Total Clouds (% Sky Obscured)

84
89
93
98
93
91
81
58
34
11
9
4
10
46
8
58
62
66
77
85
92
100
96
46

Low Clouds (% Sky Obscured)

45
52
39
26
23
56
66
52
11
4
4
1
8
0
4
4
33
39
43
35
1
1
0
0

Medium Clouds (% Sky Obscured)

44
87
91
97
54
40
28
16
9
3
3
0
0
0
0
0
1
2
3
19
34
50
33
17

High Clouds (% Sky Obscured)

5
5
1
5
5
5
1
0
2
0
0
0
0
6
5
11
19
22
33
53
77
100
96
46

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
3
4
5
13
16
16
15
12
4
3
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
76
78
85
89
91
89
88
88
79
65
56
49
44
41
39
35
33
32
34
40
50
51
53

Pressure (mb)

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

Ozone (du)

400
399
399
398
397
397
396
396
396
396
395
394
393
394
394
393
390
390
389
389
390
391
392
390

Thursday 23

First Quarter 60%

12:18

02:52

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

Sun - Rise: 05:50, Set: 19:50, Transit: 12:50. Moon - Rise: 12:18, Set: 02:52. Civil Dark: 20:22 - 05:18. Nautical Dark: 21:01 - 04:39. Astro Dark: 21:44 - 03:56

Total Clouds (% Sky Obscured)

47
21
6
1
1
0
0
1
3
9
10
11
13
26
46
64
79
88
95
93
91
89
75
60

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
2
2
18
32
47
55
66
72
60
39
26
6
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
3
9
10
11
13
26
33
17
13
13
13
18
27
32
36
35

High Clouds (% Sky Obscured)

47
21
6
1
1
0
0
1
2
2
6
7
10
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
1
1
1
3
4
4
7
6
1
3
4

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

Chance of Frost

Temperature (°C)

5
4
3
2
1
1
0
-0
-1
1
3
5
6
8
8
9
10
10
10
10
9
8
7
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
60
63
66
71
74
80
83
81
73
60
56
52
49
49
49
50
49
48
47
52
56
61
67

Pressure (mb)

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

Ozone (du)

392
393
395
399
404
412
422
422
413
404
399
396
393
389
388
387
386
388
390
392
393
394
395
396

Friday 24

Waxing Gibbous 70%

13:34

03:18

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

Sun - Rise: 05:48, Set: 19:51, Transit: 12:50. Moon - Rise: 13:34, Set: 03:18. Civil Dark: 20:23 - 05:16. Nautical Dark: 21:02 - 04:37. Astro Dark: 21:46 - 03:54

Total Clouds (% Sky Obscured)

42
48
59
86
95
95
90
95
86
81
47
41
15
10
10
5
1
2
3
4
5
5
4
6

Low Clouds (% Sky Obscured)

0
8
17
25
18
11
3
5
6
7
30
41
15
10
10
5
1
2
3
4
5
5
4
6

Medium Clouds (% Sky Obscured)

38
36
38
40
36
32
28
36
45
50
40
35
15
10
10
5
0
0
0
0
4
5
4
6

High Clouds (% Sky Obscured)

0
0
0
0
0
4
25
45
80
81
47
41
15
10
10
0
0
0
0
0
0
0
2
4

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

Precipitation Probability (%)

2
12
18
23
21
18
16
14
11
3
16
25
33
59
73
83
83
84
83
69
51
25
18
11

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.6
0.6
0.6
0.5
0.4
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

4
3
3
3
3
2
2
2
3
4
5
7
9
10
11
12
13
13
14
14
13
11
9
8

Feels Like (°C)

2
2
2
2
1
-0
1
1
1
-1
-1
4
4
3
4
4
4
11
12
12
12
12
13
6

Dew Point (°C)

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

Relative Humidity (%)

75
83
85
86
88
88
88
88
79
69
62
55
49
43
40
38
35
38
41
44
52
60
72
75

Pressure (mb)

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

Ozone (du)

398
399
400
400
401
399
396
394
392
391
389
388
387
386
385
383
381
378
374
371
371
371
371
369

Saturday 25

Waxing Gibbous 80%

14:46

03:39

22 Good
23 Good
00 Good
01 Good
02 Good
03 OK
04 OK
05 OK
06 OK
07 OK
08 OK
09 Bad
10 Bad
11 Bad
12 Bad
13 OK

Sun - Rise: 05:47, Set: 19:52, Transit: 12:50. Moon - Rise: 14:46, Set: 03:39. Civil Dark: 20:24 - 05:15. Nautical Dark: 21:04 - 04:35. Astro Dark: 21:48 - 03:51

Total Clouds (% Sky Obscured)

4
7
13
16
10
12
15
20
24
30
48
67
85
73
60
48

Low Clouds (% Sky Obscured)

4
7
13
16
10
12
15
20
24
18
13
13
11
9
6
2

Medium Clouds (% Sky Obscured)

4
7
6
0
0
0
0
0
0
0
11
22
33
28
23
9

High Clouds (% Sky Obscured)

4
7
13
16
10
12
15
20
19
6
32
56
82
71
59
44

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

4
3
1
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

Wind Speed/Direction (mph)

5
5
5
5
5
5
5
5
5
5
5
6
6
7
7
6

Chance of Frost

Temperature (°C)

6
5
5
4
4
3
3
3
4
5
7
9
10
13
14
15

Feels Like (°C)

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

Dew Point (°C)

3
3
2
2
2
2
1
1
2
2
2
3
3
3
3
3

Relative Humidity (%)

79
82
83
85
86
88
88
91
85
78
72
65
58
52
49
46

Pressure (mb)

1017
1017
1017
1017
1017
1017
1018
1018
1018
1019
1019
1019
1019
1019
1018
1018

Ozone (du)

366
363
362
360
358
360
362
364
365
366
367
369
372
375
377
380

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

Generated: 19/04/26 21:15:14. Forecast: 19/04/26 to 25/04/26. Timezone: UTC-4.00