Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Gibbous 87%

15:35

03:55

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 OK
00 Bad
01 Bad
02 Bad
03 Good
04 Good
05 Good
06 Good

Sun - Rise: 05:17, Set: 19:42, Transit: 12:30. Moon - Rise: 15:35, Set: 03:55. Civil Dark: 20:16 - 04:42. Nautical Dark: 21:00 - 03:59. Astro Dark: 21:49 - 03:08

Total Clouds (% Sky Obscured)

70
76
82
100
100
100
100
100
100
95
80
74
49
40
75
55
10
56
83
42
5
5
5
9

Low Clouds (% Sky Obscured)

65
61
60
68
56
45
9
8
8
15
16
7
4
34
70
54
8
56
83
39
4
4
4
4

Medium Clouds (% Sky Obscured)

70
76
82
93
98
76
66
0
0
0
0
0
1
1
0
2
1
5
0
0
0
0
0
0

High Clouds (% Sky Obscured)

70
76
82
100
100
100
100
100
100
86
60
55
34
0
0
0
0
0
0
0
0
0
0
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
3
3
2
0
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)

4
3
2
2
2
2
2
2
2
2
2
2
3
3
4
4
4
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

4
6
8
11
12
14
14
15
15
16
15
14
12
9
8
8
8
6
6
6
6
5
5
5

Feels Like (°C)

2
4
6
9
11
12
13
13
14
14
14
13
10
8
8
6
6
6
5
5
5
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

83
78
73
71
67
64
61
60
59
59
61
73
81
88
88
88
90
91
90
90
93
93
94
94

Pressure (mb)

1026
1026
1026
1026
1025
1025
1025
1025
1024
1024
1024
1024
1025
1025
1026
1025
1025
1026
1025
1025
1025
1025
1025
1025

Ozone (du)

362
367
371
376
383
379
377
374
373
380
385
386
387
386
381
378
380
379
374
369
366
363
361
360

Tuesday 28

Waxing Gibbous 93%

16:46

04:09

07 Good
08 Good
09 Good
10 Good
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 OK
01 OK
02 Bad
03 Bad
04 OK
05 Bad
06 Bad

Sun - Rise: 05:15, Set: 19:43, Transit: 12:30. Moon - Rise: 16:46, Set: 04:09. Civil Dark: 20:18 - 04:40. Nautical Dark: 21:02 - 03:56. Astro Dark: 21:52 - 03:05

Total Clouds (% Sky Obscured)

5
5
14
18
83
55
95
89
51
100
95
71
63
70
97
100
100
40
43
98
100
23
89
94

Low Clouds (% Sky Obscured)

4
4
1
1
3
40
70
66
51
17
4
1
1
1
0
0
0
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
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
14
16
78
27
75
89
51
100
94
70
63
68
96
100
100
40
43
98
100
23
72
87

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
2
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
5
8
8
9
9
10
10
10
10
10
10
9
8
9
10
10
11
11
10
10
9
9
9

Chance of Frost

Temperature (°C)

7
10
12
14
15
16
17
16
17
17
17
15
13
11
11
10
10
9
8
7
6
5
4
4

Feels Like (°C)

7
10
12
14
14
13
14
13
13
14
14
12
11
9
9
6
6
5
5
4
1
1
2
0

Dew Point (°C)

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

Relative Humidity (%)

87
80
75
67
60
56
50
52
52
52
53
56
63
68
66
66
63
70
68
60
58
60
62
62

Pressure (mb)

1025
1025
1024
1023
1022
1021
1021
1020
1019
1019
1018
1018
1018
1019
1019
1019
1018
1018
1018
1019
1019
1019
1018
1018

Ozone (du)

359
361
359
358
357
356
354
354
354
354
355
355
355
353
350
348
349
347
347
347
348
347
349
350

Wednesday 29

Waxing Gibbous 98%

17:56

04:24

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

Sun - Rise: 05:13, Set: 19:45, Transit: 12:30. Moon - Rise: 17:56, Set: 04:24. Civil Dark: 20:19 - 04:39. Nautical Dark: 21:03 - 03:54. Astro Dark: 21:54 - 03:03

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
53
38
41
100
60
46
50
35
45
99
92
94
97
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
24
29
16
19
19
33
47
35
45
40
56
72
80
89
85
81

Medium Clouds (% Sky Obscured)

0
0
0
0
0
22
13
25
51
37
16
1
5
36
33
0
0
29
31
52
51
85
95
98

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
2
1
5
99
28
0
2
0
9
98
71
82
91
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
8
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
1
7
24
23
35
44
30
17
19
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)

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

Chance of Frost

Temperature (°C)

6
8
10
12
13
14
15
16
16
17
15
13
11
9
8
8
7
7
7
6
6
6
6
6

Feels Like (°C)

1
3
4
6
8
10
11
11
12
13
12
9
7
6
5
4
3
3
2
1
1
1
1
1

Dew Point (°C)

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

Relative Humidity (%)

59
56
48
42
39
36
35
36
40
45
58
67
78
85
87
84
84
87
82
81
78
79
80
78

Pressure (mb)

1018
1018
1018
1017
1016
1015
1014
1014
1013
1013
1012
1012
1013
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013

Ozone (du)

353
355
357
361
361
363
367
368
371
367
377
375
375
375
375
373
371
372
371
369
369
371
370
369

Thursday 30

Waxing Gibbous 100%

19:07

04:42

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
05 Bad
06 Bad

Sun - Rise: 05:12, Set: 19:46, Transit: 12:30. Moon - Rise: 19:07, Set: 04:42. Civil Dark: 20:21 - 04:37. Nautical Dark: 21:05 - 03:52. Astro Dark: 21:57 - 03:00

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
99

Low Clouds (% Sky Obscured)

70
73
78
80
82
87
91
90
78
87
87
91
90
91
92
90
90
90
91
91
91
92
93
95

Medium Clouds (% Sky Obscured)

97
100
88
99
100
100
100
100
100
100
100
100
100
100
100
100
99
98
96
98
99
100
98
96

High 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
73
45

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
4
4
4
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
Light Rain
Light Rain
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

Precipitation Probability (%)

29
31
22
27
36
26
23
45
61
77
80
82
95
95
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.4
0.4
0.3
0.6
0.7
0.8
0.9
1
1
0.7
1.1
1.3
1.1
1.2
1.1

Wind Speed/Direction (mph)

11
12
12
11
11
11
11
11
10
11
11
11
11
12
12
13
13
13
14
14
14
15
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
70
65
66
64
59
60
55
58
53
58
71
76
76
83
88
83
85
88
91
93
94
94
93

Pressure (mb)

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

Ozone (du)

370
371
370
368
364
365
364
364
366
368
369
368
368
368
366
365
363
366
366
365
362
362
363
364

Friday 1

Full Moon 100%

20:18

05:03

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
05 Bad
06 Bad

Sun - Rise: 05:10, Set: 19:48, Transit: 12:30. Moon - Rise: 20:18, Set: 05:03. Civil Dark: 20:23 - 04:35. Nautical Dark: 21:07 - 03:50. Astro Dark: 21:59 - 02:57

Total Clouds (% Sky Obscured)

99
99
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)

96
95
93
93
92
92
94
95
97
99
98
98
97
98
99
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

93
95
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
95
89
81

High Clouds (% Sky Obscured)

18
48
78
100
100
100
100
100
100
100
100
100
100
99
98
97
98
99
100
93
77
30
10
5

ISS Passover

Visibility (miles)

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

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Snow
Snow
Snow

Precipitation Probability (%)

95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
91
92
86
79

Precipitation Amount (mm)

1
1
1
0.9
1.3
1.4
1
1.1
1.2
1
1.2
1.2
0.6
1.3
1.2
0.8
1.3
1.2
0.7
0.5
0.5
0.6
0.5
0.4

Wind Speed/Direction (mph)

15
16
15
15
15
15
15
14
14
14
14
13
12
12
11
10
9
8
7
6
5
4
3
3

Chance of Frost

Temperature (°C)

4
4
4
4
4
4
4
4
4
4
4
3
3
3
3
3
3
3
2
2
2
2
2
2

Feels Like (°C)

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

Dew Point (°C)

3
3
3
3
4
3
3
3
3
3
2
2
2
2
2
2
2
2
2
2
2
2
2
2

Relative Humidity (%)

94
93
94
93
94
93
93
93
93
93
91
93
93
94
93
94
94
94
96
96
96
98
100
100

Pressure (mb)

1009
1009
1009
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1008
1009

Ozone (du)

364
365
364
366
366
367
368
366
365
365
367
367
367
367
369
370
372
373
374
375
376
377
377
379

Saturday 2

Waning Gibbous 98%

21:28

05:31

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 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad

Sun - Rise: 05:09, Set: 19:49, Transit: 12:30. Moon - Rise: 21:28, Set: 05:31. Civil Dark: 20:24 - 04:33. Nautical Dark: 21:09 - 03:48. Astro Dark: 22:02 - 02:55

Total Clouds (% Sky Obscured)

100
95
90
86
90
92
96
94
89
81
81
89
100
94
88
82
65
47
30
53
77
100
100
100

Low Clouds (% Sky Obscured)

100
93
86
78
77
81
87
83
80
78
75
67
63
50
37
26
17
9
0
0
0
0
8
16

Medium Clouds (% Sky Obscured)

75
75
75
70
45
40
35
19
13
8
17
26
34
42
49
53
42
32
20
29
40
53
67
79

High Clouds (% Sky Obscured)

5
0
0
0
0
0
0
0
0
5
37
68
100
73
46
19
13
9
3
36
68
100
100
95

ISS Passover

Visibility (miles)

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

Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

68
70
75
83
82
78
70
57
46
41
40
33
22
18
14
5
5
4
0
0
0
0
0
0

Precipitation Amount (mm)

0.3
0.3
0.4
0.5
0.5
0.4
0.3
0.2
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

3
4
4
4
4
3
3
2
3
3
4
4
4
4
3
3
4
4
4
4
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

100
98
100
100
100
98
100
98
98
98
98
100
98
98
100
100
98
100
98
98
98
100
98
96

Pressure (mb)

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

Ozone (du)

380
381
383
384
385
387
390
392
394
396
398
404
410
416
418
420
421
419
417
416
415
414
414
412

Sunday 3

Waning Gibbous 94%

22:34

06:07

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

Sun - Rise: 05:07, Set: 19:50, Transit: 12:29. Moon - Rise: 22:34, Set: 06:07. Civil Dark: 20:26 - 04:31. Nautical Dark: 21:11 - 03:46. Astro Dark: 22:04 - 02:52

Total Clouds (% Sky Obscured)

100
100
100
100
99
99
100
100
99
100
100
100
97
97
97
97
94
91
90

Low Clouds (% Sky Obscured)

24
46
67
89
87
85
84
73
62
51
62
75
80
82
85
88
80
74
70

Medium Clouds (% Sky Obscured)

85
73
73
71
74
74
80
86
93
100
99
98
96
96
96
96
89
80
70

High Clouds (% Sky Obscured)

70
31
11
2
17
33
49
66
83
100
98
34
14
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

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
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
7
10
11
19
27
33
36
43
53
52
49
49
50
48
45
43
37
24

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
88
80
71
64
67
70
74
76
81
85
88
91
93
93
93
94
94
94

Pressure (mb)

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

Ozone (du)

411
410
410
410
410
409
408
407
408
409
409
407
404
401
402
403
403
404
405

Forecast for Saint-Narcisse-de-Rimouski, Bas-Saint-Laurent, Canada (48.34,-68.29)

Generated: 27/04/26 07:29:00. Forecast: 27/04/26 to 03/05/26. Timezone: UTC-4.00