Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 3

Waning Gibbous 99%

21:54

07:16

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
23 Bad

Sun - Rise: 06:55, Set: 19:49, Transit: 13:22. Moon - Rise: 21:54, Set: 07:16. Civil Dark: 20:18 - 06:27. Nautical Dark: 20:52 - 05:52. Astro Dark: 21:28 - 05:16

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
90
74
99
87
70
60
79
81
59
57
53
73
71
85
69
100
60
87

Low Clouds (% Sky Obscured)

77
54
41
83
87
90
83
72
97
85
68
56
79
75
59
53
50
32
27
25
0
14
29
36

Medium Clouds (% Sky Obscured)

33
72
70
100
93
100
1
0
6
0
0
0
0
0
0
0
0
0
0
0
0
0
21
9

High Clouds (% Sky Obscured)

100
100
100
100
96
72
31
3
58
4
4
3
3
4
4
4
8
73
71
83
69
100
41
73

ISS Passover

Visibility (miles)

0
9
9
5
9
4
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
Very Light Rain
Light Rain
Very Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
3
40
87
68
73
30
6
17
12
14
22
10
17
15
3
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0.3
0.5
0.3
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
4
7
10
18
18
18
17
18
19
20
21
24
20
21
20
17
15
14
12
10
8
7
6

Chance of Frost

Temperature (°C)

5
9
12
13
14
14
14
14
15
15
16
17
19
18
19
21
20
18
16
14
11
10
8
7

Feels Like (°C)

2
5
7
9
9
10
10
10
11
10
11
13
15
15
16
17
15
14
12
10
7
6
5
5

Dew Point (°C)

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

Relative Humidity (%)

100
95
87
90
89
86
89
89
90
89
86
79
76
83
76
60
61
63
68
71
75
76
75
75

Pressure (mb)

1015
1014
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1015
1015
1016
1017
1018
1020
1021
1022
1023

Ozone (du)

331
332
333
336
342
346
347
345
345
347
347
346
345
345
347
347
345
343
341
338
335
334
336
336

Saturday 4

Waning Gibbous 95%

23:01

07:40

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
23 Bad

Sun - Rise: 06:54, Set: 19:50, Transit: 13:22. Moon - Rise: 23:01, Set: 07:40. Civil Dark: 20:19 - 06:25. Nautical Dark: 20:53 - 05:50. Astro Dark: 21:30 - 05:14

Total Clouds (% Sky Obscured)

86
91
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)

30
35
47
39
45
46
76
96
98
95
100
100
100
98
85
78
72
65
55
86
89
67
74
57

Medium Clouds (% Sky Obscured)

41
3
21
8
76
57
94
99
100
100
98
86
48
76
75
76
76
78
100
100
100
100
100
100

High Clouds (% Sky Obscured)

77
83
100
100
100
100
100
98
100
100
100
100
97
99
100
90
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
0
0
10
59
95
95
95
38
17
19
13
34
48
86
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.8
2.5
0.4
0
0
0
0
0
0
0.3
0.5
0.7
1.2
1.8
2.7
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

6
6
5
5
4
4
4
3
3
3
3
3
3
3
4
5
7
8
8
8
9
14
13
12

Feels Like (°C)

3
2
2
1
0
-1
-1
-2
-2
-3
-3
-3
-3
-2
-0
1
4
5
5
6
8
11
10
9

Dew Point (°C)

2
2
1
0
0
-0
0
0
1
2
2
2
2
3
3
4
6
6
6
7
9
13
13
11

Relative Humidity (%)

75
74
73
73
75
73
77
79
85
89
93
94
94
94
93
94
90
87
91
96
98
93
96
93

Pressure (mb)

1023
1024
1024
1024
1023
1023
1023
1022
1022
1021
1020
1019
1018
1017
1016
1014
1013
1011
1010
1009
1008
1007
1007
1007

Ozone (du)

338
338
336
334
331
333
334
331
330
330
330
331
329
332
331
329
328
329
331
331
330
330
330
331

Sunday 5

Waning Gibbous 90%

00:06

08:08

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
23 Bad

Sun - Rise: 06:52, Set: 19:51, Transit: 13:21. Moon - Rise: 00:06, Set: 08:08. Civil Dark: 20:20 - 06:23. Nautical Dark: 20:55 - 05:48. Astro Dark: 21:31 - 05:12

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
69
87
82
93
92
97
88
93
87
92
91
91
90
94
87
60
60
71

Low Clouds (% Sky Obscured)

56
69
67
64
71
86
61
81
67
84
92
95
75
84
64
89
86
82
81
91
85
60
60
62

Medium Clouds (% Sky Obscured)

93
96
45
26
45
0
0
0
8
42
53
62
44
57
38
35
30
20
19
4
2
1
0
25

High Clouds (% Sky Obscured)

100
100
100
100
100
100
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
8
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

45
10
5
2
2
1
1
3
5
19
23
16
25
41
33
15
24
24
10
5
6
5
1
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

11
11
12
14
14
14
16
15
15
16
18
19
19
19
20
20
20
18
18
16
15
14
13
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
81
81
77
78
79
71
66
62
75
72
63
61
58
56
65
60
61
62
62
64
70
73
74

Pressure (mb)

1008
1008
1008
1008
1009
1009
1009
1010
1011
1011
1012
1012
1012
1012
1013
1013
1014
1014
1015
1016
1017
1018
1018
1019

Ozone (du)

333
333
334
337
339
347
357
358
353
357
367
367
369
370
364
363
364
370
369
368
375
379
385
390

Monday 6

Waning Gibbous 84%

00:06

08:42

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
23 Bad

Sun - Rise: 06:50, Set: 19:52, Transit: 13:21. Moon - Rise: 00:06, Set: 08:42. Civil Dark: 20:21 - 06:21. Nautical Dark: 20:56 - 05:46. Astro Dark: 21:33 - 05:10

Total Clouds (% Sky Obscured)

60
98
100
100
100
100
95
90
97
92
94
96
98
100
98
96
95
86
77
38
39
40
45
64

Low Clouds (% Sky Obscured)

41
36
29
21
14
34
21
18
20
18
25
45
65
85
83
82
81
71
57
38
39
40
45
51

Medium Clouds (% Sky Obscured)

54
98
100
100
100
100
95
90
89
89
74
78
81
80
77
82
75
60
45
11
12
13
18
19

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
4
3
1
2
1
6
9
9
2
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
Sleet
Very Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

1
0
0
0
0
0
0
0
0
2
15
22
26
30
38
40
41
52
60
63
52
38
8
8

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.3
0.2
0
0
0

Wind Speed/Direction (mph)

11
10
9
8
8
7
7
7
7
8
8
9
10
11
12
11
11
11
10
9
10
11
12
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

74
77
80
78
80
75
73
77
77
74
69
69
63
62
59
54
48
48
64
73
82
76
77
80

Pressure (mb)

1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1017
1017
1016
1016
1015
1016
1016
1016
1017
1018
1019

Ozone (du)

394
398
399
398
400
406
410
409
409
409
410
412
413
413
416
416
415
413
415
411
410
410
412
417

Tuesday 7

Waning Gibbous 76%

01:07

09:24

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 OK
17 OK
18 OK
19 Good
20 Good
21 Good
22 Good
23 Good

Sun - Rise: 06:48, Set: 19:53, Transit: 13:21. Moon - Rise: 01:07, Set: 09:24. Civil Dark: 20:22 - 06:19. Nautical Dark: 20:57 - 05:44. Astro Dark: 21:34 - 05:08

Total Clouds (% Sky Obscured)

70
61
51
55
59
60
64
65
70
72
70
62
58
52
61
51
42
32
21
12
8
4
0
9

Low Clouds (% Sky Obscured)

49
45
46
50
56
60
64
62
67
72
66
59
55
52
57
48
42
32
21
12
8
4
0
0

Medium Clouds (% Sky Obscured)

18
17
12
9
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
9

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 (%)

5
1
3
4
2
4
4
3
6
5
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-4
-5
-6
-7
-7
-8
-9
-10
-13
-14
-16
-17
-18
-17
-17
-17
-17
-16
-15
-15
-14
-13
-13
-13

Relative Humidity (%)

75
68
72
69
71
67
65
62
54
45
38
32
28
27
26
26
27
28
31
35
38
41
43
46

Pressure (mb)

1020
1020
1021
1022
1023
1024
1025
1026
1028
1029
1030
1031
1031
1032
1032
1032
1032
1032
1032
1033
1033
1034
1034
1034

Ozone (du)

420
422
426
425
427
430
432
435
443
449
446
444
441
444
448
447
447
446
442
437
433
425
418
410

Wednesday 8

Waning Gibbous 67%

02:02

10:14

00 OK
01 OK
02 OK
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
23 Bad

Sun - Rise: 06:47, Set: 19:55, Transit: 13:21. Moon - Rise: 02:02, Set: 10:14. Civil Dark: 20:24 - 06:18. Nautical Dark: 20:59 - 05:42. Astro Dark: 21:36 - 05:06

Total Clouds (% Sky Obscured)

19
29
45
59
75
71
64
61
64
71
77
82
88
95
89
85
80
76
72
68
75
81
89
82

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
7
16
24
29
32
28
27
25
11
9
7
5
3
4
5
8

Medium Clouds (% Sky Obscured)

17
25
40
55
66
62
55
52
55
55
56
65
71
80
73
65
60
55
49
42
48
52
56
64

High Clouds (% Sky Obscured)

0
0
0
0
0
1
2
3
12
38
57
61
64
64
47
29
12
9
7
6
9
12
6
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
8
15
28
35
35
28
24
18
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)

2
2
2
2
2
3
4
4
5
6
8
10
10
11
11
11
12
12
11
11
10
11
12
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-13
-13
-13
-13
-13
-13
-13
-13
-13
-12
-12
-11
-11
-11
-11
-10
-9
-8
-6
-5
-4
-4
-3
-3

Relative Humidity (%)

45
45
45
46
46
47
45
45
44
42
39
36
35
34
32
32
32
32
38
46
55
54
53
52

Pressure (mb)

1035
1035
1035
1034
1034
1034
1034
1034
1034
1034
1033
1033
1032
1030
1029
1028
1027
1025
1025
1024
1023
1023
1022
1022

Ozone (du)

403
395
387
385
383
381
380
379
378
378
378
378
380
382
385
384
383
382
378
375
371
369
367
365

Thursday 9

Waning Gibbous 57%

02:49

11:13

Sun - Rise: 06:45, Set: 19:56, Transit: 13:20. Moon - Rise: 02:49, Set: 11:13. Civil Dark: 20:25 - 06:16. Nautical Dark: 21:00 - 05:41. Astro Dark: 21:37 - 05:04

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Waterdown, Canada (43.35,-79.88)

Generated: 03/04/26 00:25:32. Forecast: 03/04/26 to 09/04/26. Timezone: UTC-4.00