Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 15

Waning Gibbous 88%

23:57

07:59

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

Sun - Rise: 05:37, Set: 20:28, Transit: 13:03. Moon - Rise: 23:57, Set: 07:59. Civil Dark: 21:02 - 05:03. Nautical Dark: 21:45 - 04:20. Astro Dark: 22:35 - 03:29

Total Clouds (% Sky Obscured)

85
86
77
15
5
2
2
0
32
23
4
9
8
34
100
100
100
100
100
100
100
100
100
97

Low Clouds (% Sky Obscured)

5
3
1
1
0
0
0
0
29
23
0
6
4
27
70
75
88
71
68
59
66
87
100
97

Medium Clouds (% Sky Obscured)

27
13
1
9
1
1
1
0
5
0
0
0
0
0
0
0
0
36
69
100
100
64
83
44

High Clouds (% Sky Obscured)

58
40
13
15
5
2
0
0
0
0
0
0
0
3
57
60
100
100
100
100
100
100
100
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
3
2
2
0
0
0
0
0
2
2
2
3
1
0

Fog (%)

0
0
0
0
0
0
0
6
24
39
49
56
91
100
100
100
100
100
15
0
0
0
1
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
2
7
7
7
4
10
7
11
2
3
1
12
2
0
2
0
7
50
95
95
95
93

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.9
1.3
1
0.8

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
21
22
21
20
18
17
16
15
15
15
14
14
13
13
13
13
14
16
16
17
18
17
15

Feels Like (°C)

20
22
23
23
22
21
19
18
18
18
17
15
14
13
12
12
13
14
15
15
17
19
17
14

Dew Point (°C)

15
16
17
16
17
16
15
15
14
14
14
14
14
13
13
12
13
14
15
15
15
15
16
15

Relative Humidity (%)

72
73
74
76
81
88
90
92
93
93
96
98
100
98
98
98
98
96
93
89
89
86
96
98

Pressure (mb)

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

Ozone (du)

325
326
330
332
333
334
337
338
335
334
336
334
337
336
336
333
331
331
330
329
328
329
332
337

Friday 16

Waning Gibbous 81%

00:43

09:04

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 05:36, Set: 20:29, Transit: 13:03. Moon - Rise: 00:43, Set: 09:04. Civil Dark: 21:03 - 05:02. Nautical Dark: 21:46 - 04:18. Astro Dark: 22:37 - 03:27

Total Clouds (% Sky Obscured)

91
91
43
61
46
61
68
80
93
96
92
100
100
100
100
100
100
100
100
100
91
85
60
64

Low Clouds (% Sky Obscured)

91
85
43
61
37
53
64
72
86
91
86
88
97
100
100
61
56
49
58
41
80
81
60
47

Medium Clouds (% Sky Obscured)

0
1
0
17
0
3
0
0
0
0
0
0
0
77
100
91
89
89
83
39
16
0
4
64

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
54
55
80
60
100
100
100
100
100
100
100
50
45
13
0
0
4

ISS Passover

Visibility (miles)

2
6
9
9
2
2
1
0
0
0
0
3
1
0
0
0
0
0
0
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
18
100
100
100
100
100
100
100
100
100
100
100
95
1
1
0
0
0

Precipitation Type

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

Precipitation Probability (%)

36
16
19
11
5
4
2
3
14
3
2
2
1
0
24
69
84
59
69
70
79
51
17
25

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

6
7
7
7
7
5
5
4
4
5
4
4
4
4
4
3
4
3
5
6
6
7
10
13

Chance of Frost

Temperature (°C)

17
19
19
20
19
17
15
15
14
13
13
13
12
11
11
12
13
13
14
14
15
16
19
21

Feels Like (°C)

17
19
19
22
20
18
16
15
14
12
13
12
10
10
10
11
12
13
13
13
14
15
17
19

Dew Point (°C)

16
16
17
17
17
16
15
14
14
13
13
13
12
11
11
12
13
13
13
13
14
15
17
15

Relative Humidity (%)

92
82
86
82
89
95
96
98
98
96
98
96
96
100
98
98
100
98
96
96
96
95
88
71

Pressure (mb)

1004
1004
1003
1003
1003
1003
1003
1003
1003
1004
1003
1003
1002
1002
1001
1001
1001
1001
1000
1000
999
999
999
998

Ozone (du)

339
339
340
340
340
345
353
354
349
346
345
343
346
347
349
348
351
356
358
355
353
353
354
353

Saturday 17

Waning Gibbous 72%

01:20

10:14

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 05:35, Set: 20:30, Transit: 13:03. Moon - Rise: 01:20, Set: 10:14. Civil Dark: 21:04 - 05:01. Nautical Dark: 21:48 - 04:17. Astro Dark: 22:39 - 03:26

Total Clouds (% Sky Obscured)

81
100
100
76
59
40
64
84
94
83
89
98
97
100
95
99
99
99
100
100
100
96
99
100

Low Clouds (% Sky Obscured)

35
48
46
48
48
34
8
5
5
5
10
33
46
56
40
36
79
86
93
100
100
96
99
100

Medium Clouds (% Sky Obscured)

21
100
100
47
34
2
58
84
94
83
87
92
91
96
80
73
94
63
81
53
50
43
38
38

High Clouds (% Sky Obscured)

39
0
0
21
0
3
0
0
0
0
0
0
0
3
2
60
35
45
44
48
55
47
63
46

ISS Passover

Visibility (miles)

8
9
9
8
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

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

Precipitation Probability (%)

56
87
66
65
33
8
6
36
32
25
14
7
20
20
16
13
27
35
40
48
38
28
12
11

Precipitation Amount (mm)

0.2
0.6
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
19
17
17
16
15
13
12
12
12
12
11
11
11
11
11
11
11
11
12
12
12
13
13

Feels Like (°C)

18
17
14
14
14
13
12
11
10
9
9
9
9
8
8
8
8
8
9
9
9
8
9
8

Dew Point (°C)

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

Relative Humidity (%)

71
80
85
81
81
86
89
93
93
95
93
95
93
93
93
93
93
90
90
89
87
84
71
71

Pressure (mb)

998
997
998
998
999
999
1000
1000
1001
1001
1001
1001
1001
1001
1001
1001
1001
1002
1002
1002
1002
1003
1003
1004

Ozone (du)

358
364
371
375
376
374
373
376
377
381
384
383
383
380
380
378
375
372
369
368
368
362
360
360

Sunday 18

Waning Gibbous 61%

01:49

11:28

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

Sun - Rise: 05:34, Set: 20:31, Transit: 13:03. Moon - Rise: 01:49, Set: 11:28. Civil Dark: 21:05 - 05:00. Nautical Dark: 21:49 - 04:16. Astro Dark: 22:41 - 03:24

Total Clouds (% Sky Obscured)

100
91
97
100
100
98
94
95
92
75
50
37
45
45
42
44
41
41
35
24
21
22
24
23

Low Clouds (% Sky Obscured)

100
91
97
100
100
94
88
82
83
75
50
37
45
45
42
44
41
41
35
24
21
22
24
23

Medium Clouds (% Sky Obscured)

40
37
37
34
37
50
61
72
44
28
16
17
19
16
19
17
18
11
8
0
0
0
0
0

High Clouds (% Sky Obscured)

24
0
0
1
0
5
4
1
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 (%)

10
9
9
4
1
1
1
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)

12
12
11
11
10
10
10
8
7
6
6
7
7
8
8
8
9
9
9
9
8
8
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
69
66
66
67
67
64
68
69
72
81
78
75
69
70
74
72
64
57
52
47
44
41
39

Pressure (mb)

1005
1005
1006
1007
1008
1009
1010
1010
1011
1011
1011
1012
1012
1012
1012
1014
1014
1015
1015
1015
1015
1014
1014
1014

Ozone (du)

362
361
359
358
357
358
359
362
365
366
366
366
365
365
368
366
360
358
356
356
356
355
356
358

Monday 19

Waning Gibbous 50%

02:14

12:42

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

Sun - Rise: 05:33, Set: 20:32, Transit: 13:03. Moon - Rise: 02:14, Set: 12:42. Civil Dark: 21:07 - 04:59. Nautical Dark: 21:50 - 04:15. Astro Dark: 22:43 - 03:22

Total Clouds (% Sky Obscured)

20
17
15
14
50
10
42
2
40
6
0
1
1
1
3
6
8
17
25
33
44
47
47
49

Low Clouds (% Sky Obscured)

20
17
15
14
9
6
3
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
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
4
6
50
10
42
2
40
6
0
0
0
1
3
3
4
3
0
0
0
0
4
13

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
15
15
14
13
9
9
6
6
4
5
4
5
4
4
4
4
3
6
6
6
7
7
8

Dew Point (°C)

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

Relative Humidity (%)

38
38
43
46
52
56
51
52
56
56
57
57
57
58
58
56
54
53
47
42
37
36
35
33

Pressure (mb)

1014
1014
1013
1014
1014
1015
1016
1016
1016
1017
1017
1017
1017
1017
1018
1018
1019
1019
1019
1019
1019
1018
1018
1017

Ozone (du)

358
357
356
355
355
355
355
355
356
358
357
360
359
359
359
358
358
358
358
358
358
359
360
361

Tuesday 20

Third Quarter 39%

02:35

13:57

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

Sun - Rise: 05:32, Set: 20:33, Transit: 13:03. Moon - Rise: 02:35, Set: 13:57. Civil Dark: 21:08 - 04:58. Nautical Dark: 21:52 - 04:13. Astro Dark: 22:44 - 03:20

Total Clouds (% Sky Obscured)

46
43
59
79
100
79
55
32
28
23
12
6
4
1
5
9
13
30
45
58
72
88
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
11
21
32
40

Medium Clouds (% Sky Obscured)

1
1
1
0
0
0
0
0
0
0
0
0
0
0
3
5
7
16
25
30
25
25
30
35

High Clouds (% Sky Obscured)

18
19
43
67
100
67
33
0
0
0
0
6
4
1
3
5
6
16
26
36
57
80
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
0
0
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)

8
8
8
6
4
3
4
4
5
5
6
6
6
6
5
6
8
9
9
10
10
11
13
14

Chance of Frost

Temperature (°C)

16
17
17
15
13
11
10
9
8
8
7
6
6
5
5
6
7
9
10
11
13
13
13
13

Feels Like (°C)

13
13
12
13
13
12
8
8
9
8
7
7
4
3
3
3
3
2
7
7
7
8
8
8

Dew Point (°C)

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

Relative Humidity (%)

35
38
39
46
53
60
59
58
56
56
57
58
59
59
60
59
57
57
55
52
51
52
54
55

Pressure (mb)

1017
1017
1016
1016
1016
1017
1017
1017
1017
1017
1016
1016
1016
1017
1017
1017
1016
1016
1016
1015
1015
1014
1014
1013

Ozone (du)

363
365
367
369
371
373
372
372
371
368
365
362
361
360
359
359
359
360
359
358
357
356
355
354

Wednesday 21

Waning Crescent 28%

02:55

No Set

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
07 Bad

Sun - Rise: 05:31, Set: 20:34, Transit: 13:03. Moon - Rise: 02:55, Set: No Set. Civil Dark: 21:09 - 04:57. Nautical Dark: 21:53 - 04:12. Astro Dark: 22:46 - 03:19

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
99
95
91
88
92
95
98
97
96
95

Low Clouds (% Sky Obscured)

49
59
52
45
39
27
15
4
8
13
17
34
49
66
70
76
82

Medium Clouds (% Sky Obscured)

40
40
55
55
60
59
57
56
56
61
61
58
44
35
35
35
35

High Clouds (% Sky Obscured)

100
100
100
99
99
99
99
98
88
77
67
70
74
77
59
44
27

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
1
3
3
1
2
2
1
2
2
0
3
4
4
11
13
9

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

13
12
11
11
12
12
12
11
11
10
10
10
9
9
9
9
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
8
7
7
7
7
4
4
4
4
4
4
3
3
3
3
2

Dew Point (°C)

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

Relative Humidity (%)

57
59
61
64
68
72
74
78
81
82
85
88
87
87
87
84
81

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013

Ozone (du)

353
352
351
351
350
350
352
354
356
359
362
365
368
371
374
376
378

Forecast for Yarker, Lennox and Addington County, Canada (44.37,-76.77)

Generated: 15/05/25 15:03:25. Forecast: 15/05/25 to 21/05/25. Timezone: UTC-4.00