Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 5

Waning Gibbous 84%

23:46

08:05

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
22 Bad

Sun - Rise: 06:21, Set: 19:27, Transit: 12:54. Moon - Rise: 23:46, Set: 08:05. Civil Dark: 19:57 - 05:51. Nautical Dark: 20:33 - 05:15. Astro Dark: 21:11 - 04:37

Total Clouds (% Sky Obscured)

95
86
91
95
98
98
98
97
94
98
99
100
100
100
100
100
100
100
91
70
58
67
73
81

Low Clouds (% Sky Obscured)

65
77
81
82
83
95
88
78
80
84
95
100
99
76
100
100
100
100
39
51
32
5
5
15

Medium Clouds (% Sky Obscured)

50
50
51
57
81
88
68
72
47
82
92
35
54
100
100
100
100
100
86
47
49
67
73
81

High Clouds (% Sky Obscured)

0
0
0
0
0
1
0
0
0
0
0
0
0
12
23
25
27
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
2
9
8
3
9
9
8
0
9
9
9
9
8
9
9
9
9
9
9
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
0
0

Precipitation Type

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

Precipitation Probability (%)

10
28
41
32
33
48
49
41
46
42
24
13
4
16
4
19
9
20
12
16
5
0
1
1

Precipitation Amount (mm)

0
0
0.1
0
0
0.2
0.1
0
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
13
17
15
16
15
15
15
15
14
14
15
14
14
14
15
16
16
15
13
11
8
6
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
74
88
89
91
84
80
78
80
87
68
61
53
50
50
51
49
52
52
53
57
64
69
71

Pressure (mb)

1007
1006
1007
1007
1007
1007
1008
1009
1010
1011
1012
1013
1013
1013
1013
1013
1013
1013
1014
1014
1015
1016
1017
1017

Ozone (du)

358
363
361
361
364
370
379
388
397
403
404
405
404
406
404
403
404
408
409
411
412
412
414
416

Monday 6

Waning Gibbous 76%

00:48

08:46

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 OK
21 Good
22 Good

Sun - Rise: 06:19, Set: 19:28, Transit: 12:54. Moon - Rise: 00:48, Set: 08:46. Civil Dark: 19:58 - 05:49. Nautical Dark: 20:35 - 05:13. Astro Dark: 21:13 - 04:35

Total Clouds (% Sky Obscured)

77
86
99
100
95
92
96
95
95
94
88
96
89
80
69
80
79
82
84
80
65
47
3
3

Low Clouds (% Sky Obscured)

13
12
56
83
84
88
90
94
87
84
73
71
64
64
47
64
64
64
64
49
33
4
1
1

Medium Clouds (% Sky Obscured)

77
86
93
88
91
54
76
53
48
68
24
40
20
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
2
2
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
3
7
24
19
22
18
15
6
4
2
2
1
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
5
6
7
9
11
11
11
11
11
10
10
9
9
9
10
10
10
10
10
10
9
8
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-5
-6
-7
-8
-5
-7
-9
-10
-11
-13
-15
-15
-16
-17
-17
-16
-17
-18
-17
-17
-15
-13
-12
-12

Relative Humidity (%)

70
67
64
64
79
78
72
69
63
55
46
41
39
35
33
33
29
26
27
27
33
42
47
48

Pressure (mb)

1017
1018
1018
1019
1019
1020
1021
1022
1023
1024
1025
1026
1027
1027
1027
1028
1028
1028
1028
1029
1030
1031
1032
1033

Ozone (du)

418
416
417
419
418
420
422
427
433
433
433
435
438
441
442
444
445
445
446
449
453
453
453
451

Tuesday 7

Waning Gibbous 67%

01:44

09:36

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

Sun - Rise: 06:17, Set: 19:29, Transit: 12:53. Moon - Rise: 01:44, Set: 09:36. Civil Dark: 20:00 - 05:47. Nautical Dark: 20:36 - 05:11. Astro Dark: 21:15 - 04:32

Total Clouds (% Sky Obscured)

3
3
3
3
2
0
0
0
0
0
0
1
4
3
15
58
79
20
20
10
13
18
35
23

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
3
3
9
58
48
15
15
7
11
13
19
21

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
1
0
0
2
50
38
5
3
3
2
4
15
4

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

50
51
52
53
55
58
57
55
52
45
39
35
34
34
35
35
36
35
36
46
49
51
59
60

Pressure (mb)

1033
1034
1034
1035
1035
1036
1036
1037
1037
1038
1038
1038
1038
1037
1037
1036
1036
1035
1035
1034
1034
1034
1034
1034

Ozone (du)

442
435
427
422
420
416
405
403
401
401
397
391
381
374
375
377
376
377
377
378
377
375
376
377

Wednesday 8

Waning Gibbous 57%

02:30

10:35

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

Sun - Rise: 06:16, Set: 19:31, Transit: 12:53. Moon - Rise: 02:30, Set: 10:35. Civil Dark: 20:01 - 05:45. Nautical Dark: 20:38 - 05:09. Astro Dark: 21:16 - 04:30

Total Clouds (% Sky Obscured)

33
45
61
49
35
17
36
58
45
74
51
54
38
64
29
76
78
91
44
96
98
83
99
100

Low Clouds (% Sky Obscured)

1
1
1
1
1
2
2
2
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

18
19
18
17
14
10
19
55
24
24
25
24
16
12
5
10
18
47
31
28
24
33
80
88

High Clouds (% Sky Obscured)

15
37
61
49
31
1
3
3
3
33
51
54
38
31
2
5
5
5
30
65
92
83
97
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
1
2
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
7
8
9
10
10
10
10
9
10
12
15
18
18
18
19
19
19
20
20
19
18
18
18

Chance of Frost

Temperature (°C)

1
1
1
2
2
2
2
2
2
3
5
7
9
11
13
14
14
14
13
12
11
10
10
10

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

59
57
57
55
58
58
57
57
57
56
54
49
47
46
44
44
46
47
47
47
49
48
50
51

Pressure (mb)

1034
1034
1034
1034
1033
1033
1033
1033
1033
1033
1033
1032
1032
1031
1030
1029
1028
1028
1027
1027
1027
1027
1027
1027

Ozone (du)

373
368
366
366
365
363
362
361
359
357
357
356
357
354
354
352
355
355
353
352
351
353
354
355

Thursday 9

Waning Gibbous 48%

03:08

11:41

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
22 Bad

Sun - Rise: 06:14, Set: 19:32, Transit: 12:53. Moon - Rise: 03:08, Set: 11:41. Civil Dark: 20:02 - 05:43. Nautical Dark: 20:39 - 05:07. Astro Dark: 21:18 - 04:28

Total Clouds (% Sky Obscured)

100
100
99
100
100
100
97
96
96
97
97
97
99
100
100
87
92
97
94
93
91
94
97
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
5
5
10
20
35
50
66
35
82
81
83
82
70
56
36
35
35
43

Medium Clouds (% Sky Obscured)

73
64
44
41
73
81
76
69
65
57
24
64
23
67
94
56
74
83
83
83
83
85
90
96

High Clouds (% Sky Obscured)

98
97
95
97
99
100
91
82
73
70
61
75
86
94
100
30
25
19
22
22
33
28
20
10

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
0
0
0
0
0
0
0
0
0
0
0
3
4
5
10
14
15
23
33
41
44
41
32

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)

19
18
17
16
16
16
15
15
15
15
16
17
18
17
16
16
10
10
9
7
5
4
3
2

Chance of Frost

Temperature (°C)

9
9
8
8
7
7
7
7
7
7
8
9
11
11
14
13
11
10
10
10
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
58
60
63
64
67
69
70
72
73
73
73
68
71
64
69
72
77
81
85
90
95
93
93

Pressure (mb)

1027
1027
1027
1027
1026
1026
1026
1026
1026
1026
1026
1025
1025
1025
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

352
351
350
348
347
350
350
353
355
355
354
354
352
346
343
341
340
339
338
338
339
340
341
341

Friday 10

Third Quarter 38%

03:39

12:50

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
22 OK

Sun - Rise: 06:12, Set: 19:33, Transit: 12:53. Moon - Rise: 03:39, Set: 12:50. Civil Dark: 20:04 - 05:42. Nautical Dark: 20:41 - 05:05. Astro Dark: 21:20 - 04:26

Total Clouds (% Sky Obscured)

100
100
100
97
94
92
91
91
91
90
88
87
93
96
100
100
99
99
97
94
92
73
53
33

Low Clouds (% Sky Obscured)

58
76
94
88
82
76
77
84
87
84
81
63
72
83
100
96
92
87
71
54
39
28
19
9

Medium Clouds (% Sky Obscured)

91
82
78
77
74
70
73
76
79
75
70
67
74
81
90
90
90
90
65
46
30
25
19
9

High Clouds (% Sky Obscured)

25
39
86
62
32
3
5
5
6
11
13
10
5
10
40
70
70
65
58
67
88
63
32
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
7
6
5
4
3
5
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

34
36
37
45
49
46
35
26
18
17
17
20
94
95
95
95
95
55
37
25
5
7
6
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.7
1.4
1.9
1.2
0.7
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
93
91
90
85
84
81
81
79
78
78
77
77
83
87
95
91
91
90
85
81
77
79
82

Pressure (mb)

1024
1024
1024
1023
1023
1023
1022
1022
1022
1022
1022
1022
1022
1022
1022
1022
1023
1023
1023
1024
1025
1026
1026
1027

Ozone (du)

342
342
343
343
342
341
341
341
342
342
342
342
342
341
340
339
340
342
344
350
356
362
361
360

Saturday 11

Waning Crescent 28%

04:04

14:01

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

Sun - Rise: 06:10, Set: 19:35, Transit: 12:52. Moon - Rise: 04:04, Set: 14:01. Civil Dark: 20:05 - 05:40. Nautical Dark: 20:42 - 05:03. Astro Dark: 21:22 - 04:23

Total Clouds (% Sky Obscured)

23
14
5
5
4
3
14
28
42
57
72
83
88
90
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

5
2
0
0
0
0
0
0
0
0
0
0
5
10
15
43
70
97
98
99
100

High Clouds (% Sky Obscured)

1
1
1
2
2
2
11
15
19
17
19
23
49
76
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

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 (%)

1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
6
17
32

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)

4
4
4
4
4
4
5
5
5
5
5
5
5
5
4
5
5
5
5
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

5
4
4
3
1
0
1
0
0
-1
1
2
2
3
3
4
9
10
10
9
9

Dew Point (°C)

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

Relative Humidity (%)

85
85
88
88
88
86
86
83
79
74
66
58
51
50
48
45
48
52
55
60
65

Pressure (mb)

1027
1028
1028
1028
1029
1029
1029
1030
1030
1031
1030
1030
1030
1029
1028
1027
1026
1025
1024
1023
1022

Ozone (du)

359
357
355
354
354
355
355
357
359
361
357
352
348
345
342
338
336
334
332
331
330

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

Generated: 05/04/26 23:07:49. Forecast: 05/04/26 to 11/04/26. Timezone: UTC-4.00