Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Gibbous 88%

17:08

04:19

22 OK
23 OK
00 Bad
01 Bad
02 Bad
03 Bad
04 OK
05 OK
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: 05:46, Set: 20:00, Transit: 12:53. Moon - Rise: 17:08, Set: 04:19. Civil Dark: 20:33 - 05:13. Nautical Dark: 21:13 - 04:33. Astro Dark: 21:59 - 03:47

Total Clouds (% Sky Obscured)

19
22
62
85
74
96
39
27
30
83
99
75
68
100
100
100
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
6
0
1
0
3
22
16
25
40

Medium Clouds (% Sky Obscured)

0
0
0
0
15
3
0
0
0
0
0
0
0
0
23
59
75
100
100
100
100
100
36
33

High Clouds (% Sky Obscured)

19
22
52
77
66
96
34
23
30
82
99
74
67
100
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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
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)

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

Chance of Frost

Temperature (°C)

13
12
11
9
8
8
8
7
7
8
12
14
17
19
20
21
22
21
20
20
18
17
15
14

Feels Like (°C)

13
11
10
7
7
7
6
4
5
7
9
12
15
16
16
17
17
17
17
16
14
14
12
10

Dew Point (°C)

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

Relative Humidity (%)

57
61
65
69
71
75
78
82
85
84
75
66
57
49
45
38
35
37
43
48
52
60
61
58

Pressure (mb)

1022
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1019
1018
1017
1017
1016
1015
1015
1014
1014
1014
1014
1014
1014

Ozone (du)

355
351
349
348
348
345
343
344
343
340
338
337
336
337
335
336
337
339
342
343
344
348
351
355

Tuesday 28

Waxing Gibbous 94%

18:16

04:35

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: 05:45, Set: 20:01, Transit: 12:53. Moon - Rise: 18:16, Set: 04:35. Civil Dark: 20:34 - 05:12. Nautical Dark: 21:15 - 04:31. Astro Dark: N/A - 03:45

Total Clouds (% Sky Obscured)

99
93
99
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)

74
82
91
93
100
100
100
97
100
100
100
93
100
100
100
96
100
92
91
89
93
100
87
90

Medium Clouds (% Sky Obscured)

50
42
54
65
70
56
70
66
72
36
98
75
100
95
82
100
98
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

90
47
0
0
0
2
98
47
16
84
96
19
85
1
53
100
100
100
100
100
100
100
100
95

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
2
2
2
2
2

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
Very Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain

Precipitation Probability (%)

2
0
1
9
7
15
26
14
38
19
16
7
10
29
24
36
59
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.6
2.4
3.2
3
2.5
3.7
2.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
13
13
12
12
12
11
11
10
10
10
10
11
12
12
12
12
12
11
11
11
11
10
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
70
71
73
76
79
78
80
83
84
85
88
88
87
87
86
81
80
80
93
96
98
98
98

Pressure (mb)

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

Ozone (du)

358
362
364
360
359
364
363
364
362
362
367
373
370
368
363
365
361
363
361
360
360
362
359
361

Wednesday 29

Waxing Gibbous 98%

19:24

04:53

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: 05:43, Set: 20:03, Transit: 12:53. Moon - Rise: 19:24, Set: 04:53. Civil Dark: 20:36 - 05:10. Nautical Dark: 21:17 - 04:29. Astro Dark: 22:01 - 03:43

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
96
95
94
92
86
74
67
58
48

Low Clouds (% Sky Obscured)

85
96
92
100
100
100
91
93
93
93
90
100
98
98
94
93
89
84
78
72
64
56
54
48

Medium Clouds (% Sky Obscured)

100
100
100
100
100
97
96
100
97
91
94
100
85
100
93
82
78
66
58
54
35
25
17
6

High Clouds (% Sky Obscured)

80
98
86
100
100
100
93
100
100
100
90
75
75
30
62
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

2
3
3
6
6
9
9
6
3
4
7
9
9
9
9
9
2
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
4
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
65
51
66
67
51
27
18
18
17
16
12
6
7
6

Precipitation Amount (mm)

2
2.1
2
0.8
0.6
0.6
0.7
0.9
1.2
0.7
0
0
0.3
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

98
98
96
96
98
96
95
96
95
96
96
95
93
93
91
90
91
93
88
82
79
81
85
88

Pressure (mb)

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

Ozone (du)

365
365
368
368
366
366
369
374
376
378
381
388
391
393
391
390
389
387
385
386
384
384
387
388

Thursday 30

Waxing Gibbous 100%

20:33

05:13

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: 20:04, Transit: 12:53. Moon - Rise: 20:33, Set: 05:13. Civil Dark: 20:37 - 05:08. Nautical Dark: 21:18 - 04:27. Astro Dark: 22:03 - 03:41

Total Clouds (% Sky Obscured)

43
45
45
49
55
60
74
81
84
84
88
95
95
86
88
95
91
83
82
88
74
66
61
49

Low Clouds (% Sky Obscured)

43
42
42
41
36
36
71
81
84
84
88
95
83
67
71
92
89
77
78
75
58
48
40
30

Medium Clouds (% Sky Obscured)

1
0
0
0
0
0
0
5
12
16
12
10
9
17
23
30
38
46
50
54
62
62
59
49

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 (%)

3
3
2
1
2
1
0
2
2
1
2
2
1
4
3
2
3
6
3
6
4
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
91
91
91
93
93
94
84
77
73
68
66
61
55
52
51
50
52
50
53
57
63
68
76

Pressure (mb)

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

Ozone (du)

389
391
393
396
397
399
400
403
404
405
406
408
409
409
410
410
411
412
412
412
412
410
409
410

Friday 1

Full Moon 100%

21:40

05:37

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

Total Clouds (% Sky Obscured)

46
42
23
15
12
12
8
13
9
9
10
2
3
23
44
64
76
88
97
97
97
98
98
95

Low Clouds (% Sky Obscured)

19
25
23
15
12
12
8
13
9
9
10
2
3
23
44
64
75
76
77
83
88
94
91
88

Medium Clouds (% Sky Obscured)

45
34
23
15
12
12
8
13
9
9
10
2
3
23
24
21
15
10
6
16
25
34
41
47

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
11
23
33
44
47
39
32
31
45
55
65

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
78
80
80
81
83
83
84
84
77
64
55
47
40
40
40
40
41
42
43
49
57
65
66

Pressure (mb)

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

Ozone (du)

411
412
413
414
412
408
404
405
407
409
406
403
399
395
391
387
383
383
382
382
384
385
387
386

Saturday 2

Waning Gibbous 98%

No Rise

06:07

22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 OK
07 OK
08 OK
09 OK
10 OK
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: 20:07, Transit: 12:53. Moon - Rise: No Rise, Set: 06:07. Civil Dark: 20:40 - 05:05. Nautical Dark: 21:22 - 04:23. Astro Dark: 22:07 - 03:36

Total Clouds (% Sky Obscured)

94
82
73
63
75
88
100
74
46
19
26
34
45
63
89
100
100
100
100
93
87
81
77
86

Low Clouds (% Sky Obscured)

85
68
51
34
34
34
34
23
11
0
12
23
35
33
31
29
22
16
10
7
3
0
25
41

Medium Clouds (% Sky Obscured)

51
54
57
61
75
86
97
74
46
19
26
34
45
63
89
100
81
63
47
42
43
43
58
65

High Clouds (% Sky Obscured)

65
76
73
63
70
65
53
57
46
19
16
10
6
3
4
4
10
4
3
13
22
31
19
9

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
2
2
1
5
5
3
15
19
20
20
18
13
16
15
11
10
8

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
67
68
68
69
69
69
70
70
72
72
66
61
56
50
46
41
44
46
50
53
58
63
65

Pressure (mb)

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

Ozone (du)

386
385
385
386
386
389
391
394
395
397
398
399
400
402
404
406
408
409
410
411
411
411
412
411

Sunday 3

Waning Gibbous 94%

22:45

06:45

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

Sun - Rise: 05:37, Set: 20:08, Transit: 12:52. Moon - Rise: 22:45, Set: 06:45. Civil Dark: 20:41 - 05:04. Nautical Dark: 21:23 - 04:22. Astro Dark: 22:09 - 03:34

Total Clouds (% Sky Obscured)

83
65
46
30
34
40
45
44
47
49
71
75
86
87
89
91

Low Clouds (% Sky Obscured)

56
54
46
30
34
40
45
44
36
31
49
67
86
79
71
63

Medium Clouds (% Sky Obscured)

69
31
9
0
7
19
33
44
47
49
46
38
21
16
9
8

High Clouds (% Sky Obscured)

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

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 (%)

1
6
7
5
6
5
1
4
6
7
13
16
17
19
17
9

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

5
4
3
2
2
2
2
1
3
4
6
6
7
7
9
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
71
72
72
74
74
76
76
76
76
76
79
84
90
81
76

Pressure (mb)

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

Ozone (du)

410
410
408
406
404
403
403
402
401
401
400
402
403
405
405
405

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

Generated: 27/04/26 22:34:49. Forecast: 27/04/26 to 03/05/26. Timezone: UTC-4.00