Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 27

Waxing Gibbous 88%

16:23

04:23

02 Good
03 Good
04 Good
05 Good
06 OK
07 OK
08 Good
09 OK
10 Good
11 Good
12 OK
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: 06:14, Set: 20:16, Transit: 13:15. Moon - Rise: 16:23, Set: 04:23. Civil Dark: 20:47 - 05:43. Nautical Dark: 21:25 - 05:05. Astro Dark: 22:07 - 04:23

Total Clouds (% Sky Obscured)

1
1
0
14
28
33
9
28
12
8
47
74
79
97
74
83
58
86
100
100
85
100
100
98

Low 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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
29
39
18
58
82
69
62
50
85
94
81

High Clouds (% Sky Obscured)

1
1
0
5
28
33
9
28
12
8
47
49
57
96
67
78
58
56
100
100
84
97
100
85

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
9
16
17
20
16
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

56
58
61
63
65
66
62
55
49
45
42
42
43
43
44
45
49
54
60
64
71
76
71
67

Pressure (mb)

1023
1023
1023
1024
1024
1024
1025
1025
1025
1025
1024
1023
1023
1022
1021
1021
1020
1020
1019
1019
1017
1017
1016
1016

Ozone (du)

364
363
361
359
356
356
356
355
353
353
351
352
353
351
351
351
350
351
349
347
347
349
349
344

Tuesday 28

Waxing Gibbous 94%

17:29

04:41

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
00 Bad
01 Bad

Sun - Rise: 06:12, Set: 20:17, Transit: 13:15. Moon - Rise: 17:29, Set: 04:41. Civil Dark: 20:48 - 05:41. Nautical Dark: 21:27 - 05:03. Astro Dark: 22:09 - 04:21

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
93
92
96
95
91
85
80
86
85
83
72
100
90

Low Clouds (% Sky Obscured)

0
8
14
14
45
100
100
100
100
99
100
93
91
95
90
91
83
78
86
85
83
72
91
90

Medium Clouds (% Sky Obscured)

86
78
100
93
100
99
90
37
34
4
35
29
23
32
48
0
24
0
0
1
2
12
10
4

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
17
0
0
0
0
0
0
0
0
2
2
1
55
48
35
7

ISS Passover

Visibility (miles)

9
9
9
9
2
6
9
5
9
9
9
6
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
Light Rain
Light Rain
Light Rain
Light Rain
None
Light Rain
None
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
5
14
80
95
95
95
78
69
36
66
46
41
29
15
19
21
20
9
7
21
5
4
0

Precipitation Amount (mm)

0
0
0
0.6
1.4
0.9
0.6
0
0.4
0
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

11
11
11
10
10
10
9
9
10
10
11
12
13
14
15
16
16
15
14
14
13
12
12
11

Feels Like (°C)

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

Dew Point (°C)

5
5
5
4
7
8
8
8
8
9
10
11
12
13
14
12
12
12
11
10
10
9
9
9

Relative Humidity (%)

68
68
66
66
80
88
88
93
91
91
90
92
92
93
92
79
78
82
84
78
81
81
80
84

Pressure (mb)

1015
1015
1014
1013
1012
1012
1012
1012
1012
1011
1011
1011
1010
1010
1010
1010
1011
1012
1012
1013
1013
1014
1014
1014

Ozone (du)

343
343
342
342
344
346
348
351
354
354
357
363
366
374
368
362
361
364
366
363
361
359
357
357

Wednesday 29

Waxing Gibbous 98%

18:35

04:59

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
00 Bad
01 Bad

Sun - Rise: 06:11, Set: 20:18, Transit: 13:15. Moon - Rise: 18:35, Set: 04:59. Civil Dark: 20:49 - 05:40. Nautical Dark: 21:28 - 05:01. Astro Dark: 22:10 - 04:19

Total Clouds (% Sky Obscured)

100
100
99
100
90
100
100
100
100
100
100
100
100
100
99
98
96
92
60
76
76
69
66
64

Low Clouds (% Sky Obscured)

90
93
90
90
63
49
57
73
79
90
83
83
92
90
92
79
66
57
21
18
20
30
25
16

Medium Clouds (% Sky Obscured)

16
99
38
40
50
100
98
100
100
100
100
100
100
87
59
50
46
40
51
66
70
69
64
64

High Clouds (% Sky Obscured)

29
70
96
40
35
92
100
100
100
100
100
100
40
92
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
Very Light Rain
Very Light Rain
None
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
4
3
2
2
7
18
61
64
59
88
86
76
60
41
15
4
1
1
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.2
0
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
82
84
82
78
73
69
75
73
68
61
53
55
56
56
56
58
59
65
70
71
72
71

Pressure (mb)

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

Ozone (du)

360
364
369
370
368
370
371
371
375
373
375
377
377
379
383
382
380
380
379
379
378
382
379
378

Thursday 30

Waxing Gibbous 100%

19:41

05:19

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

Sun - Rise: 06:10, Set: 20:19, Transit: 13:14. Moon - Rise: 19:41, Set: 05:19. Civil Dark: 20:51 - 05:38. Nautical Dark: 21:29 - 04:59. Astro Dark: 22:12 - 04:17

Total Clouds (% Sky Obscured)

60
40
27
23
17
11
14
17
18
34
56
100
88
75
63
58
52
36
26
27
26
27
27
25

Low Clouds (% Sky Obscured)

12
18
23
16
9
0
5
11
18
23
33
59
56
61
63
58
51
34
17
9
0
10
20
25

Medium Clouds (% Sky Obscured)

53
24
3
6
10
11
9
4
0
23
47
65
40
22
0
0
0
0
8
14
21
13
6
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 (%)

0
0
0
0
0
0
0
0
0
1
4
1
3
3
4
7
7
1
2
3
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)

9
8
8
7
8
8
10
11
12
12
11
12
13
12
13
12
11
10
8
8
8
8
8
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
74
76
79
79
71
52
43
38
38
37
38
39
36
36
37
39
42
49
56
61
63
66
69

Pressure (mb)

1010
1010
1010
1011
1011
1012
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1013
1013
1014
1014
1015
1015
1015
1016

Ozone (du)

380
382
386
385
385
388
386
389
392
393
392
393
394
393
392
392
394
394
396
396
396
397
398
401

Friday 1

Full Moon 100%

20:48

05:41

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

Sun - Rise: 06:08, Set: 20:20, Transit: 13:14. Moon - Rise: 20:48, Set: 05:41. Civil Dark: 20:52 - 05:37. Nautical Dark: 21:31 - 04:58. Astro Dark: 22:14 - 04:15

Total Clouds (% Sky Obscured)

18
20
13
13
19
24
31
39
47
62
84
100
17
23
26
20
9
1
1
1
1
6
10
12

Low Clouds (% Sky Obscured)

18
13
4
9
15
20
27
35
42
60
81
100
17
23
26
20
9
1
1
1
1
2
1
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
1
2
3
2
1
3
1
1
0
0
0
0
0
0
0
4
7
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 (%)

0
0
0
0
0
0
0
1
9
14
7
6
8
7
1
2
2
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
6
6
6
6
6
7
8
8
8
9
10
11
12
12
13
12
11
10
9
9
9
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
71
72
73
76
74
71
64
56
51
41
41
42
39
38
35
40
44
49
49
50
50
51
52

Pressure (mb)

1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

402
401
403
403
403
405
406
408
412
414
414
413
412
412
411
411
414
417
420
420
420
420
420
419

Saturday 2

Waning Gibbous 99%

21:54

06:07

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

Sun - Rise: 06:07, Set: 20:22, Transit: 13:14. Moon - Rise: 21:54, Set: 06:07. Civil Dark: 20:53 - 05:35. Nautical Dark: 21:32 - 04:56. Astro Dark: 22:16 - 04:13

Total Clouds (% Sky Obscured)

16
20
25
17
12
1
1
1
1
23
45
64
76
89
100
89
78
67
60
53
46
60
69
77

Low Clouds (% Sky Obscured)

1
2
2
3
3
1
1
1
1
9
18
25
26
26
29
33
32
29
19
10
0
0
0
0

Medium Clouds (% Sky Obscured)

11
14
19
13
6
0
0
0
0
12
24
46
65
78
93
85
78
67
60
53
46
60
69
77

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
9
22
35
46
54
65
79
78
67
60
53
46
48
14
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
0
0
0
0
0
0
0
0
3
3
1
2
2
1
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-6
-5
-5
-5
-5
-5
-4
-5
-5
-6
-5
-5
-5
-5
-5
-4
-4
-4
-4
-4
-4
-4
-4
-4

Relative Humidity (%)

53
55
56
58
57
56
56
50
43
37
37
37
36
36
36
36
38
40
41
42
43
45
47
47

Pressure (mb)

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

Ozone (du)

419
419
419
420
419
419
419
418
418
417
411
406
400
397
395
393
392
391
390
391
392
393
391
389

Sunday 3

Waning Gibbous 98%

22:57

06:39

Sun - Rise: 06:05, Set: 20:23, Transit: 13:14. Moon - Rise: 22:57, Set: 06:39. Civil Dark: 20:55 - 05:34. Nautical Dark: 21:34 - 04:54. Astro Dark: 22:18 - 04:11

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 High Park-Swansea, Toronto, Canada (43.65,-79.46)

Generated: 27/04/26 02:54:09. Forecast: 27/04/26 to 03/05/26. Timezone: UTC-4.00