Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 28

Waxing Gibbous 94%

17:08

04:35

05 OK
06 OK
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
04 Bad

Sun - Rise: 05:46, Set: 20:00, Transit: 12:53. Moon - Rise: 17:08, Set: 04:35. Civil Dark: 20:33 - 05:13. Nautical Dark: 21:13 - 04:31. Astro Dark: 21:59 - 03:45

Total Clouds (% Sky Obscured)

29
24
42
87
67
100
100
100
100
100
100
100
100
100
90
74
79
93
95
91
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
2
15
14
16
12
30
30
30
90
83
88
100
100
100
100

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
51
56
74
100
100
93
100
40
41
53
61
62
58
75
65
70
75

High Clouds (% Sky Obscured)

29
24
42
87
38
100
100
100
100
100
100
100
100
100
77
48
37
77
0
0
0
0
2
2

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
5
0
0
0
3
26
27
13
8
20
26
24

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

Chance of Frost

Temperature (°C)

8
7
9
11
14
16
18
19
20
21
21
20
19
18
16
15
13
13
12
12
12
12
11
11

Feels Like (°C)

6
5
7
10
12
16
16
16
17
17
17
17
16
15
13
11
10
10
9
10
9
8
8
9

Dew Point (°C)

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

Relative Humidity (%)

77
79
78
73
64
56
52
49
45
39
37
48
49
51
56
53
59
64
72
75
72
70
77
84

Pressure (mb)

1019
1019
1019
1019
1018
1018
1017
1016
1015
1015
1014
1014
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

340
337
336
334
335
334
334
335
334
334
336
338
341
342
347
349
351
354
356
363
363
361
363
366

Wednesday 29

Waxing Gibbous 98%

18:16

04:53

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
04 Bad

Sun - Rise: 05:45, Set: 20:01, Transit: 12:53. Moon - Rise: 18:16, Set: 04:53. Civil Dark: 20:34 - 05:12. Nautical Dark: 21:15 - 04:29. Astro Dark: 22:01 - 03:43

Total Clouds (% Sky Obscured)

97
100
100
100
100
100
98
91
87
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

93
84
97
90
83
85
92
90
78
58
63
93
58
77
96
99
90
90
93
90
93
95
98
97

Medium Clouds (% Sky Obscured)

57
43
32
55
74
64
73
56
65
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

4
24
19
100
100
85
86
25
41
100
100
100
100
100
100
100
100
100
100
100
100
100
100
92

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
2
2
2
3
3
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
13
0
1
7
1

Precipitation Type

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

Precipitation Probability (%)

20
6
2
0
4
1
0
2
51
94
95
95
82
51
81
95
95
95
95
95
95
95
95
88

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.2
0.9
1.6
0.6
0.5
0
0.5
1
1.7
1.8
3.8
3.6
2.6
2.7
1.2
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
11
11
11
13
14
14
15
15
14
13
13
12
11
11
10
10
10
10
9
9
9
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
90
88
84
80
68
63
60
54
50
48
50
57
57
64
61
62
78
88
93
96
95
96
91

Pressure (mb)

1013
1013
1013
1013
1013
1012
1012
1011
1011
1010
1010
1010
1010
1009
1009
1009
1009
1008
1007
1007
1006
1005
1005
1004

Ozone (du)

364
361
359
363
369
367
364
365
369
369
369
368
365
362
360
360
362
365
364
365
367
366
372
373

Thursday 30

Waxing Gibbous 100%

19:24

04:53

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

Sun - Rise: 05:43, Set: 20:03, Transit: 12:53. Moon - Rise: 19:24, Set: 04:53. Civil Dark: 20:36 - 05:10. Nautical Dark: 21:17 - 04:27. Astro Dark: 22:03 - 03:41

Total Clouds (% Sky Obscured)

100
100
100
100
100
97
100
98
90
85
77
90
90
81
74
53
39
20
25
20
19
14
2
1

Low Clouds (% Sky Obscured)

100
100
100
98
99
70
72
72
67
76
67
81
82
69
60
49
39
15
15
15
11
8
1
0

Medium Clouds (% Sky Obscured)

81
76
82
71
83
76
90
91
69
31
27
31
15
17
28
6
2
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

24
15
15
14
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
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
1
17
17
17
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

Light Rain
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 (%)

82
62
45
30
18
19
24
17
11
3
9
14
2
1
1
0
0
0
0
1
0
0
0
0

Precipitation Amount (mm)

0.4
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
8
9
10
10
10
10
10
11
10
9
9
6
5
5
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

90
90
90
91
90
88
88
85
85
85
82
77
77
73
70
74
78
82
82
80
80
86
91
91

Pressure (mb)

1004
1004
1005
1005
1005
1005
1006
1006
1006
1007
1007
1007
1007
1008
1008
1009
1010
1010
1010
1010
1010
1010
1010
1010

Ozone (du)

377
380
383
384
384
385
387
388
389
386
385
388
389
388
388
389
390
393
398
400
402
404
402
403

Friday 1

Full Moon 100%

20:33

05:13

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

Sun - Rise: 05:41, Set: 20:04, Transit: 12:53. Moon - Rise: 20:33, Set: 05:13. Civil Dark: 20:37 - 05:08. Nautical Dark: 21:18 - 04:25. Astro Dark: 22:05 - 03:38

Total Clouds (% Sky Obscured)

11
20
30
32
38
53
67
79
90
89
89
89
70
56
26
23
27
23
13
15
15
12
6
1

Low Clouds (% Sky Obscured)

11
20
30
32
38
51
55
55
58
60
65
65
58
56
26
23
27
23
6
8
8
10
5
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
14
28
42
44
37
40
28
19
1
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
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
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
1
18
9
8
5
3
3
3
1
3
1
0
0
0
1
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
6
6
7
8
9
10
11
12
13
13
12
11
9
8
6
6
6
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
89
81
68
61
57
55
55
51
52
52
52
52
51
57
66
71
73
73
73
77
81
84
86

Pressure (mb)

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

Ozone (du)

406
406
404
404
404
406
408
409
408
408
408
407
406
405
406
406
407
408
412
414
413
413
413
415

Saturday 2

Waning Gibbous 98%

21:40

05:37

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

Sun - Rise: 05:40, Set: 20:05, Transit: 12:53. Moon - Rise: 21:40, Set: 05:37. Civil Dark: 20:38 - 05:07. Nautical Dark: 21:20 - 04:23. Astro Dark: 22:07 - 03:36

Total Clouds (% Sky Obscured)

9
14
19
33
42
54
81
89
91
94
96
98
96
48
54
39
25
11
16
21
26
33
36
39

Low Clouds (% Sky Obscured)

9
14
19
33
42
54
77
71
60
55
54
59
54
23
25
22
12
4
4
1
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
7
14
21
20
20
22
17
11
0
0
0
0
1
2
3

High Clouds (% Sky Obscured)

0
0
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
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
1
0
1
0
9
10
4
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
6
7
9
10
10
10
10
10
11
11
11
11
8
6
5
4
4
4
4
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
83
73
61
52
47
43
40
40
42
44
48
53
56
60
68
72
74
77
78
80
81
81
80

Pressure (mb)

1012
1012
1012
1013
1012
1012
1012
1011
1011
1010
1010
1010
1009
1010
1010
1010
1010
1010
1010
1010
1009
1009
1009
1009

Ozone (du)

416
418
422
425
424
423
424
425
422
415
408
408
412
414
414
414
414
414
414
413
412
411
410
409

Sunday 3

Waning Gibbous 94%

22:45

06:07

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 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 05:39, Set: 20:07, Transit: 12:53. Moon - Rise: 22:45, Set: 06:07. Civil Dark: 20:40 - 05:05. Nautical Dark: 21:22 - 04:22. Astro Dark: 22:09 - 03:34

Total Clouds (% Sky Obscured)

55
67
82
69
49
38
58
79
100
100
100
100
100
100
100
98
96
93
94
92
90
90
92
93

Low Clouds (% Sky Obscured)

0
0
0
10
21
31
27
22
18
12
6
0
0
0
0
12
24
36
39
42
45
32
18
5

Medium Clouds (% Sky Obscured)

14
24
35
28
18
9
27
46
65
60
60
60
62
50
44
36
40
44
41
38
41
35
30
29

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
5
19
40
37
23
6
4
3
2
33
65
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
6
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
None
None

Precipitation Probability (%)

0
0
0
1
2
1
6
9
7
12
12
7
14
17
19
19
16
5
11
13
13
16
21
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

81
75
70
65
59
52
47
47
48
48
49
50
51
57
65
74
79
85
91
91
91
93
94
94

Pressure (mb)

1009
1009
1009
1009
1009
1008
1008
1007
1007
1006
1006
1006
1005
1005
1005
1005
1005
1005
1005
1004
1004
1004
1004
1003

Ozone (du)

408
409
411
412
411
411
410
410
411
411
410
409
408
405
403
400
401
401
402
401
400
400
402
404

Monday 4

Waning Gibbous 89%

23:43

06:45

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 OK
20 OK
21 OK
22 Good
23 OK
00 OK
01 OK

Sun - Rise: 05:37, Set: 20:08, Transit: 12:52. Moon - Rise: 23:43, Set: 06:45. Civil Dark: 20:41 - 05:04. Nautical Dark: 21:23 - 04:20. Astro Dark: 22:11 - 03:31

Total Clouds (% Sky Obscured)

95
94
91
84
73
67
79
90
99
87
77
69
61
51
41
28
27
16
20
23
29

Low Clouds (% Sky Obscured)

4
2
0
10
15
14
35
61
86
58
31
6
16
25
25
26
25
16
20
23
29

Medium Clouds (% Sky Obscured)

33
42
47
54
52
47
40
31
31
33
39
39
26
14
2
2
1
0
3
2
3

High Clouds (% Sky Obscured)

78
55
33
21
10
2
2
2
3
14
25
42
28
14
0
0
0
0
6
13
19

ISS Passover

Visibility (miles)

0
3
6
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

Precipitation Type

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

Precipitation Probability (%)

27
25
16
15
11
5
8
8
5
13
14
10
14
12
4
8
7
0
5
3
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
91
86
82
72
64
56
58
59
61
60
58
57
63
70
78
82
86
91
93
93

Pressure (mb)

1003
1004
1004
1004
1004
1004
1004
1003
1003
1002
1002
1001
1001
1001
1001
1002
1002
1003
1003
1003
1004

Ozone (du)

407
407
408
409
409
409
409
406
403
400
399
398
396
398
400
401
404
407
410
404
399

Forecast for Domaine-Laurentien, Laurentides, Canada (45.81,-74.06)

Generated: 28/04/26 05:14:02. Forecast: 28/04/26 to 04/05/26. Timezone: UTC-4.00