Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 28

Waxing Gibbous 94%

17:08

04:35

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

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

Total Clouds (% Sky Obscured)

85
88
100
100
100
100
100
100
89
96
98
100
96
100
100
100
100
90
100
100
97
97
93
100

Low Clouds (% Sky Obscured)

0
0
0
2
0
3
0
12
54
87
96
94
82
89
100
99
100
88
100
100
92
78
58
66

Medium Clouds (% Sky Obscured)

0
21
71
100
100
100
100
100
80
44
53
69
62
74
73
75
58
46
56
75
62
68
83
91

High Clouds (% Sky Obscured)

85
88
100
100
100
100
100
100
70
29
2
1
2
0
0
0
70
0
0
37
9
62
63
75

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
2
5
4
0
0
0
3
25
26
12
5
16
6
3
2
4
5
4
5

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

Chance of Frost

Temperature (°C)

18
18
20
21
20
20
19
17
16
14
14
13
13
12
12
12
12
11
11
10
11
11
12
13

Feels Like (°C)

16
15
17
17
17
17
17
14
12
11
10
8
9
9
10
10
10
9
9
8
9
9
9
10

Dew Point (°C)

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

Relative Humidity (%)

53
49
45
38
41
48
54
51
54
57
57
58
61
71
75
77
80
83
84
85
90
86
68
59

Pressure (mb)

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

Ozone (du)

335
335
334
335
337
338
338
340
346
353
354
356
359
366
364
363
363
364
366
364
360
361
369
366

Wednesday 29

Waxing Gibbous 98%

18:16

04:53

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:43, Set: 20:01, Transit: 12:53. Moon - Rise: 18:16, Set: 04:53. Civil Dark: 20:34 - 05:10. Nautical Dark: 21:15 - 04:29. Astro Dark: 22:01 - 03:43

Total Clouds (% Sky Obscured)

89
81
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
96
97
100

Low Clouds (% Sky Obscured)

67
54
64
66
75
55
100
93
80
93
100
88
85
100
92
100
100
98
100
100
98
92
88
83

Medium Clouds (% Sky Obscured)

72
72
93
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
81
90
92

High Clouds (% Sky Obscured)

45
14
21
20
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
48
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
7
4
2
3
3
0
4
1
6
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
1
9
0
0
0
0
0
17
17
17
17
17
8
0

Precipitation Type

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

Precipitation Probability (%)

1
4
19
55
60
94
71
55
95
95
95
95
95
95
95
95
95
95
95
71
56
55
39
26

Precipitation Amount (mm)

0
0
0
0.3
0.2
1.1
0.2
0
1.2
0.8
0.8
2
3.4
2.8
2.5
1.7
1.6
1
0.7
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
54
51
50
50
52
53
63
65
66
72
83
93
96
98
98
96
96
95
91
90
87
85
84

Pressure (mb)

1012
1012
1011
1010
1010
1010
1009
1009
1008
1008
1007
1007
1006
1005
1005
1004
1003
1003
1003
1003
1003
1004
1004
1005

Ozone (du)

365
366
368
367
365
368
368
361
361
360
363
366
366
366
368
369
369
369
370
375
380
381
382
383

Thursday 30

Waxing Gibbous 100%

19:24

05:13

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

Sun - Rise: 05:41, Set: 20:03, Transit: 12:53. Moon - Rise: 19:24, Set: 05:13. Civil Dark: 20:36 - 05:08. Nautical Dark: 21:17 - 04:27. Astro Dark: 22:03 - 03:41

Total Clouds (% Sky Obscured)

100
100
100
92
89
92
90
80
79
79
60
37
27
14
10
8
6
18
19
23
30
28
27
20

Low Clouds (% Sky Obscured)

100
99
100
85
82
86
80
60
62
63
55
33
22
9
10
8
6
15
11
18
20
19
12
5

Medium Clouds (% Sky Obscured)

96
98
92
32
49
33
41
55
35
23
6
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
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 (%)

25
32
29
8
9
3
16
1
3
1
1
1
1
1
0
0
0
0
0
0
0
0
0
1

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
84
87
87
84
79
79
77
74
81
85
82
80
80
83
83
88
94
89
80
68
64
62
59

Pressure (mb)

1005
1005
1006
1006
1006
1007
1007
1007
1008
1009
1009
1009
1009
1009
1009
1010
1010
1010
1011
1011
1011
1011
1011
1010

Ozone (du)

381
384
387
387
385
385
385
386
387
388
388
390
393
397
398
397
399
402
403
405
406
406
405
405

Friday 1

Full Moon 100%

20:33

05:37

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

Sun - Rise: 05:40, Set: 20:04, Transit: 12:53. Moon - Rise: 20:33, Set: 05:37. Civil Dark: 20:37 - 05:07. Nautical Dark: 21:18 - 04:25. Astro Dark: 22:05 - 03:38

Total Clouds (% Sky Obscured)

43
70
100
79
58
36
49
63
74
54
51
49
43
39
39
56
67
77
66
43
30
29
49
64

Low Clouds (% Sky Obscured)

5
5
5
5
5
15
25
30
39
9
8
10
9
7
10
44
51
53
66
43
30
29
49
64

Medium Clouds (% Sky Obscured)

27
53
80
55
35
14
21
29
39
36
26
22
21
28
24
27
31
39
28
14
1
1
1
15

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 (%)

2
6
14
1
3
9
19
10
0
2
2
0
1
1
0
4
4
3
5
4
1
0
1
6

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

58
59
56
53
52
52
48
58
61
67
76
79
77
78
83
84
88
87
89
84
77
68
59
52

Pressure (mb)

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

Ozone (du)

405
406
409
410
411
409
408
408
410
412
413
413
414
415
416
417
416
416
415
416
417
418
419
420

Saturday 2

Waning Gibbous 98%

21:40

06:07

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:39, Set: 20:05, Transit: 12:53. Moon - Rise: 21:40, Set: 06:07. Civil Dark: 20:38 - 05:05. Nautical Dark: 21:20 - 04:23. Astro Dark: 22:07 - 03:36

Total Clouds (% Sky Obscured)

78
88
100
100
100
100
92
90
88
89
78
78
50
50
93
88
82
76
79
83
87
75
56
41

Low Clouds (% Sky Obscured)

58
51
39
27
19
15
25
39
45
39
32
33
24
28
40
0
0
0
0
0
0
10
21
31

Medium Clouds (% Sky Obscured)

43
71
100
100
100
93
86
74
74
77
49
31
19
31
83
49
50
47
54
66
78
65
40
21

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
9
5
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 (%)

6
19
4
19
18
7
8
7
3
1
1
1
2
2
1
4
4
4
13
16
15
23
27
30

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

Chance of Frost

Temperature (°C)

6
6
7
6
7
6
7
6
6
3
2
1
0
0
-1
-1
-2
-1
-1
-0
1
1
2
3

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

50
54
53
58
55
58
53
57
59
65
72
76
81
86
87
91
89
87
87
87
86
84
88
91

Pressure (mb)

1011
1011
1011
1011
1010
1010
1010
1010
1010
1010
1011
1011
1011
1010
1010
1010
1008
1008
1008
1008
1008
1008
1008
1007

Ozone (du)

418
420
422
425
425
424
421
420
419
417
416
415
415
416
416
416
416
417
417
419
421
423
423
424

Sunday 3

Waning Gibbous 94%

22:45

06:45

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
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 05:37, Set: 20:07, Transit: 12:53. Moon - Rise: 22:45, Set: 06:45. Civil Dark: 20:40 - 05:04. Nautical Dark: 21:22 - 04:22. Astro Dark: 22:09 - 03:34

Total Clouds (% Sky Obscured)

59
80
100
100
100
100
100
100
100
99
98
97
98
99
100
100
100
100
98
96
92
85
77
69

Low Clouds (% Sky Obscured)

27
22
18
12
6
0
0
0
0
12
24
43
48
53
58
59
59
53
37
31
30
30
25
20

Medium Clouds (% Sky Obscured)

47
74
100
100
99
99
99
100
100
99
98
97
98
99
99
87
76
66
72
78
81
81
77
69

High Clouds (% Sky Obscured)

11
22
37
38
35
27
48
69
93
83
50
28
6
1
0
33
67
100
78
55
33
21
9
0

ISS Passover

Visibility (miles)

0
1
2
2
4
6
7
6
5
4
2
1
0
0
0
0
0
0
0
0
0
0
2
4

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

Precipitation Probability (%)

32
35
36
37
40
41
41
41
41
42
43
44
51
55
57
56
53
46
40
36
32
30
29
28

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.2
0.3
0.3
0.2
0.1
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
88
80
76
76
79
79
85
90
96
96
96
98
98
98
98
98
98
98
98
98
98
96
93

Pressure (mb)

1007
1006
1006
1005
1005
1004
1004
1004
1004
1004
1003
1003
1003
1003
1003
1002
1002
1002
1002
1003
1003
1003
1003
1003

Ozone (du)

424
423
422
420
419
418
418
418
419
420
420
420
420
422
423
424
425
425
425
426
426
427
427
427

Monday 4

Waning Gibbous 89%

23:43

07:31

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
05 Bad
06 Bad
07 Bad

Sun - Rise: 05:36, Set: 20:08, Transit: 12:52. Moon - Rise: 23:43, Set: 07:31. Civil Dark: 20:41 - 05:02. Nautical Dark: 21:23 - 04:20. Astro Dark: 22:11 - 03:31

Total Clouds (% Sky Obscured)

83
94
100
97
96
94
87
83
79
78
78
76
66
59
52
50
52
50
51
56
70

Low Clouds (% Sky Obscured)

38
61
85
58
32
55
63
60
62
63
66
69
60
58
52
50
52
50
51
56
70

Medium Clouds (% Sky Obscured)

83
94
100
97
96
94
78
60
39
30
23
18
13
8
2
2
1
0
1
1
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1

ISS Passover

Visibility (miles)

7
5
3
1
3
5
8
8
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 (%)

30
32
32
34
36
38
33
28
20
19
15
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-1
-1
-0
-0
5
5
5
5
5
5
1
-1
-1
-1
-0
-1
-2
-1
-1
-1
-2

Dew Point (°C)

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

Relative Humidity (%)

89
82
74
67
69
71
74
79
85
91
93
94
96
94
93
91
92
94
96
91
85

Pressure (mb)

1003
1002
1002
1001
1001
1001
1000
1001
1001
1002
1002
1003
1004
1004
1004
1004
1005
1005
1005
1006
1006

Ozone (du)

427
426
425
424
424
424
424
423
422
421
422
423
423
423
423
422
422
421
420
416
412

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

Generated: 28/04/26 10:26:46. Forecast: 28/04/26 to 04/05/26. Timezone: UTC-4.00