Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 26

Waxing Gibbous 76%

15:56

03:58

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

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 - 03:49

Total Clouds (% Sky Obscured)

1
3
3
7
8
31
31
21
15
3
3
3
0
0
0
4
9
0
0
8
9
2
4
30

Low Clouds (% Sky Obscured)

0
0
0
0
0
31
31
21
15
0
0
1
0
0
0
4
9
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
7
7
0
0
0

High Clouds (% Sky Obscured)

0
3
3
6
6
5
3
0
0
0
0
0
0
0
0
0
1
0
0
0
2
2
4
30

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)

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

Chance of Frost

Temperature (°C)

11
10
9
8
7
6
5
4
4
6
10
13
15
17
19
20
20
21
21
21
20
19
16
14

Feels Like (°C)

10
10
9
8
7
6
5
4
4
7
10
14
16
18
21
21
22
22
23
23
22
20
16
14

Dew Point (°C)

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

Relative Humidity (%)

71
74
77
78
81
80
80
82
85
81
72
65
61
57
53
49
45
43
43
43
46
58
63
65

Pressure (mb)

1022
1023
1023
1023
1023
1023
1024
1025
1025
1026
1026
1026
1026
1026
1025
1025
1024
1024
1023
1023
1023
1023
1023
1023

Ozone (du)

367
366
365
365
367
370
375
380
383
381
379
378
377
375
376
376
374
374
373
370
367
364
362
361

Monday 27

Waxing Gibbous 88%

17:04

04:15

22 OK
23 Bad
00 OK
01 Bad
02 OK
03 OK
04 Good
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

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 - 03:47

Total Clouds (% Sky Obscured)

35
63
45
57
42
30
15
62
81
28
96
76
46
73
96
95
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
3
0
0
0
0
9
1
33

Medium Clouds (% Sky Obscured)

0
0
5
0
0
0
0
0
0
0
0
0
0
0
0
1
19
95
100
100
100
100
100
100

High Clouds (% Sky Obscured)

35
63
45
57
23
30
13
62
81
16
96
76
46
73
96
95
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
4
4
4
4
5
5
5
6
7
10
11
12
13
13
14
15
14
14
13
11
11
11

Chance of Frost

Temperature (°C)

12
11
11
10
9
9
9
9
9
10
14
16
18
19
21
22
22
22
21
20
20
19
17
16

Feels Like (°C)

10
9
8
8
7
8
6
7
6
7
12
13
14
15
16
17
18
17
17
15
15
14
13
12

Dew Point (°C)

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

Relative Humidity (%)

69
72
73
74
76
77
74
75
77
76
65
58
52
48
45
44
44
47
52
54
57
56
57
60

Pressure (mb)

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

Ozone (du)

359
359
358
354
351
348
347
345
345
345
343
342
343
344
344
343
341
341
341
342
342
344
344
346

Tuesday 28

Waxing Gibbous 94%

18:11

04:32

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: 05:42, 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 - 03:45

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

18
15
15
36
100
100
93
99
96
96
80
60
47
50
63
53
36
15
10
29
40
41
64
70

Medium Clouds (% Sky Obscured)

59
23
32
43
55
37
39
27
34
25
49
42
35
92
74
88
61
89
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
81
10
10
0
0
4
70
6
2
23
6
52
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 (%)

1
3
9
23
1
2
12
0
5
1
0
1
1
1
1
0
0
1
0
0
0
1
7
20

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)

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

Chance of Frost

Temperature (°C)

15
14
13
13
12
13
13
12
12
12
13
13
14
15
17
17
17
17
17
17
15
14
13
13

Feels Like (°C)

11
10
8
7
8
8
8
8
7
8
9
10
11
12
15
15
15
15
15
16
14
11
11
10

Dew Point (°C)

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

Relative Humidity (%)

60
58
57
65
69
65
61
62
61
63
66
69
68
66
61
60
68
72
72
73
78
80
81
79

Pressure (mb)

1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1013
1013
1012
1011
1010
1009
1009
1009
1008
1008
1008

Ozone (du)

350
353
362
366
371
366
365
365
367
367
365
364
364
364
370
369
371
370
370
369
369
368
370
370

Wednesday 29

Waxing Gibbous 98%

19:19

04:50

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: 05:41, 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 - 03:42

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)

84
87
91
93
91
90
92
94
97
100
97
96
96
96
98
98
99
99
99
100
100
100
100
100

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
99
100
100
100
99
100
99
100
100
96
88
99
98
84
77
93
92
67

High Clouds (% Sky Obscured)

100
100
100
100
89
76
64
76
88
95
99
95
95
95
95
95
95
95
95
63
30
0
0
0

ISS Passover

Visibility (miles)

9
9
9
8
9
5
6
6
5
5
4
5
7
8
9
8
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
None
None

Precipitation Probability (%)

41
57
74
83
94
95
95
95
95
95
95
95
95
92
86
71
66
71
75
64
56
55
47
44

Precipitation Amount (mm)

0
0
0.3
0.4
0.5
0.7
0.7
0.8
0.8
0.9
0.8
0.8
0.8
0.5
0.5
0.3
0.2
0.3
0.4
0.2
0
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
81
89
88
87
88
93
96
96
95
96
95
96
95
93
91
90
84
82
87
85
87
88
88

Pressure (mb)

1007
1007
1007
1006
1006
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1005
1006
1006
1006
1007
1007
1007
1008

Ozone (du)

370
371
370
371
372
372
376
375
376
377
377
377
378
375
372
373
375
377
380
383
384
385
385
388

Thursday 30

Waxing Gibbous 100%

20:27

05:11

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: 05:39, Set: 19:59, Transit: 12:49. Moon - Rise: 20:27, Set: 05:11. Civil Dark: 20:31 - 05:06. Nautical Dark: 21:12 - 04:26. Astro Dark: 21:57 - 03:40

Total Clouds (% Sky Obscured)

100
100
100
100
100
92
98
97
98
74
63
99
99
100
99
99
100
100
100
100
100
100
99
98

Low Clouds (% Sky Obscured)

100
100
100
100
99
92
97
95
93
74
63
89
84
93
88
77
88
88
88
81
75
72
76
76

Medium Clouds (% Sky Obscured)

53
59
58
56
57
57
50
37
32
28
31
27
31
35
44
89
100
100
100
100
100
100
97
94

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
35
35
45
50
60
35
35
35
40
40
60
70
75

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
5
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 (%)

35
35
35
40
36
35
33
35
39
42
41
41
37
33
26
22
32
33
28
31
30
22
27
27

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
90
90
91
93
93
93
88
79
72
66
62
61
59
55
56
58
58
59
62
63
61

Pressure (mb)

1008
1008
1008
1008
1008
1009
1009
1009
1010
1010
1011
1010
1010
1011
1010
1011
1011
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

389
388
389
389
389
388
385
385
388
388
387
385
384
385
385
383
383
384
384
384
384
384
383
382

Friday 1

Full Moon 100%

21:34

05:35

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: 05:38, Set: 20:00, Transit: 12:49. Moon - Rise: 21:34, Set: 05:35. Civil Dark: 20:33 - 05:05. Nautical Dark: 21:13 - 04:24. Astro Dark: 22:00 - 03:38

Total Clouds (% Sky Obscured)

98
93
89
84
86
87
88
90
92
94
96
96
97
99
99
100
100
100
100
100
99
98
97
94

Low Clouds (% Sky Obscured)

74
68
63
58
66
74
82
84
90
92
93
94
91
93
96
100
92
83
75
72
70
69
59
54

Medium Clouds (% Sky Obscured)

90
83
81
73
62
53
45
47
49
56
66
71
76
86
91
95
96
98
99
96
92
89
77
67

High Clouds (% Sky Obscured)

75
85
85
25
15
15
15
15
10
10
15
15
10
4
5
12
30
38
43
23
7
0
1
2

ISS Passover

Visibility (miles)

9
9
9
8
8
5
3
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

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

Precipitation Probability (%)

10
44
49
43
70
84
88
95
95
95
95
94
83
93
95
95
95
95
95
95
95
95
84
74

Precipitation Amount (mm)

0
0
0
0
0.3
0.5
0.5
0.7
0.8
1
0.8
0.7
0.5
0.6
0.8
0.9
1.1
1.3
1.4
1.1
0.9
0.8
0.5
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

63
62
68
76
85
89
93
96
96
98
98
98
100
98
98
98
98
100
98
98
100
100
100
98

Pressure (mb)

1010
1010
1009
1009
1008
1008
1008
1007
1007
1007
1008
1007
1007
1007
1006
1006
1006
1006
1006
1006
1006
1006
1006
1006

Ozone (du)

381
380
380
380
380
381
383
384
386
387
388
392
396
400
399
399
399
400
402
404
402
401
399
398

Saturday 2

Waning Gibbous 98%

No Rise

06:06

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

Sun - Rise: 05:36, Set: 20:01, Transit: 12:49. Moon - Rise: No Rise, Set: 06:06. Civil Dark: 20:34 - 05:03. Nautical Dark: 21:15 - 04:22. Astro Dark: 22:00 - 03:36

Total Clouds (% Sky Obscured)

94
94
93
94
95
96
96
97
100
100
100
100
100
100
100
100
97
94
91
86
79
74

Low Clouds (% Sky Obscured)

47
56
64
72
73
75
77
77
78
78
89
95
100
88
70
35
40
45
50
40
40
40

Medium Clouds (% Sky Obscured)

57
62
69
77
74
70
66
45
26
6
5
5
10
10
10
5
5
4
7
3
3
3

High Clouds (% Sky Obscured)

4
6
7
2
2
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

0
0
0
0
0
0
0
0
3
6
9
8
7
7
7
8
9
9
8
8
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
Very 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
None
None
None

Precipitation Probability (%)

67
65
62
59
59
53
51
46
39
27
26
24
20
24
26
24
25
25
26
26
26
25

Precipitation Amount (mm)

0.3
0.3
0.3
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-0
-1
-1
-1
-0
1
1
2
2
2
2
3
3
4
4
4
4
7
7
7
7
7

Dew Point (°C)

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

Relative Humidity (%)

100
100
100
98
100
100
100
100
100
98
98
93
90
88
85
82
79
80
77
76
81
85

Pressure (mb)

1006
1006
1006
1006
1006
1006
1006
1006
1006
1007
1007
1007
1007
1007
1007
1007
1007
1007
1006
1006
1007
1007

Ozone (du)

396
394
391
388
385
384
383
382
383
384
385
386
387
388
391
394
396
397
398
399
400
401

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

Generated: 26/04/26 22:20:51. Forecast: 26/04/26 to 02/05/26. Timezone: UTC-4.00