Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 15

Waning Gibbous 88%

23:55

07:59

15 Bad
16 Bad
17 Bad
18 OK
19 OK
20 OK
21 OK
22 OK
23 Bad
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: 05:36, Set: 20:26, Transit: 13:02. Moon - Rise: 23:55, Set: 07:59. Civil Dark: 21:00 - 05:02. Nautical Dark: 21:43 - 04:19. Astro Dark: 22:33 - 03:29

Total Clouds (% Sky Obscured)

87
89
84
23
23
28
2
1
38
16
1
2
6
22
100
100
100
93
100
100
100
100
100
99

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
31
16
0
0
3
5
52
54
44
47
62
57
60
74
94
93

Medium Clouds (% Sky Obscured)

16
15
3
0
1
1
1
1
12
1
0
0
0
0
0
0
0
9
59
100
100
87
75
63

High Clouds (% Sky Obscured)

74
59
30
15
23
24
2
0
0
0
0
0
0
6
47
55
100
92
100
100
100
100
100
25

ISS Passover

Visibility (miles)

4
4
4
4
4
4
4
4
4
4
4
4
1
0
0
0
0
0
4
4
4
4
1
0

Fog (%)

49
46
37
33
23
52
79
95
100
100
95
100
100
99
81
94
63
52
43
44
39
47
50
39

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
3
9
9
11
3
21
8
5
3
2
0
12
2
0
2
0
3
30
77
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
1.2
0.9
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
22
22
20
19
18
16
16
15
15
15
15
14
14
13
13
14
15
16
17
16
17
16
15

Feels Like (°C)

20
21
22
22
22
20
18
18
18
18
17
17
16
14
12
12
13
14
15
16
15
17
16
15

Dew Point (°C)

16
17
18
16
16
15
14
14
14
14
14
14
14
14
13
13
13
14
15
15
14
15
16
15

Relative Humidity (%)

73
73
75
77
82
86
89
90
93
93
96
98
100
100
98
98
96
96
93
85
89
85
95
98

Pressure (mb)

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

Ozone (du)

327
326
328
331
332
334
336
338
337
335
335
334
336
337
336
333
332
331
331
329
328
328
330
335

Friday 16

Waning Gibbous 81%

00:41

09:03

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: 20:28, Transit: 13:02. Moon - Rise: 00:41, Set: 09:03. Civil Dark: 21:01 - 05:01. Nautical Dark: 21:44 - 04:18. Astro Dark: 22:35 - 03:27

Total Clouds (% Sky Obscured)

76
94
34
37
26
61
79
88
100
100
100
100
100
100
100
100
100
100
100
100
100
85
66
42

Low Clouds (% Sky Obscured)

76
94
34
37
26
50
71
81
100
100
100
100
100
100
100
73
60
57
50
49
79
70
57
42

Medium Clouds (% Sky Obscured)

7
0
0
17
6
19
5
0
0
0
0
0
0
24
99
95
85
97
96
79
15
16
3
4

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
50
53
55
100
100
100
100
100
100
100
35
35
35
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

58
85
55
39
91
98
100
100
100
100
100
100
100
100
100
100
100
57
6
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

33
21
14
8
5
4
0
10
6
2
2
2
0
0
10
55
85
89
79
74
82
71
31
12

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
18
17
18
17
15
14
13
13
13
12
12
11
11
12
12
13
13
13
13
13
14
16
17

Feels Like (°C)

16
19
18
19
18
16
13
12
11
11
11
11
10
10
11
12
13
13
12
12
12
14
15
16

Dew Point (°C)

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

Relative Humidity (%)

95
85
89
86
92
98
96
98
98
96
96
96
96
98
96
98
98
98
98
98
96
96
92
85

Pressure (mb)

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

Ozone (du)

339
339
339
340
339
342
349
355
349
346
346
344
345
348
349
349
349
354
358
355
352
352
354
353

Saturday 17

Waning Gibbous 72%

01:18

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: 05:34, Set: 20:29, Transit: 13:02. Moon - Rise: 01:18, Set: 10:14. Civil Dark: 21:03 - 05:00. Nautical Dark: 21:46 - 04:17. Astro Dark: 22:36 - 03:26

Total Clouds (% Sky Obscured)

46
100
100
80
99
53
48
88
99
88
94
93
97
97
98
92
95
97
98
100
100
99
100
98

Low Clouds (% Sky Obscured)

14
38
52
45
65
53
27
5
3
4
18
24
42
50
51
38
58
72
87
100
100
99
100
97

Medium Clouds (% Sky Obscured)

42
100
100
55
54
31
22
87
97
86
88
83
94
93
95
71
71
75
75
62
87
56
51
52

High Clouds (% Sky Obscured)

9
0
0
18
0
2
1
0
0
0
0
0
0
2
37
5
56
26
62
50
50
48
51
42

ISS Passover

Visibility (miles)

4
4
9
9
9
9
9
9
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

54
70
49
60
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
Very Light Rain
None
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

Precipitation Probability (%)

37
72
55
64
52
13
5
28
33
29
15
7
21
22
21
24
17
34
41
49
46
32
18
17

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

19
18
15
15
15
14
13
12
11
11
11
11
11
11
11
11
11
11
12
12
13
11
12
13

Feels Like (°C)

18
16
12
12
12
10
11
10
9
8
8
8
8
8
8
8
8
8
9
9
9
7
8
8

Dew Point (°C)

14
14
13
12
11
11
10
10
10
10
10
10
10
10
10
10
9
10
10
10
10
9
8
8

Relative Humidity (%)

75
79
89
83
78
80
83
89
92
95
93
93
93
93
93
93
90
90
88
87
84
83
73
71

Pressure (mb)

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

Ozone (du)

356
362
368
375
377
375
375
375
376
377
383
383
383
382
381
381
378
375
371
368
369
365
360
360

Sunday 18

Waning Gibbous 61%

01:48

11:27

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 OK
06 Bad
07 Bad
08 OK
09 OK
10 OK
11 Good
12 Good
13 OK
14 OK

Sun - Rise: 05:33, Set: 20:30, Transit: 13:02. Moon - Rise: 01:48, Set: 11:27. Civil Dark: 21:04 - 04:59. Nautical Dark: 21:47 - 04:15. Astro Dark: 22:38 - 03:24

Total Clouds (% Sky Obscured)

97
80
94
98
100
99
98
97
97
83
67
50
51
49
48
52
51
44
35
21
17
15
20
20

Low Clouds (% Sky Obscured)

94
80
93
97
100
97
95
92
93
83
67
50
51
49
48
52
51
43
34
21
17
15
20
20

Medium Clouds (% Sky Obscured)

72
49
45
43
38
54
63
67
48
31
16
20
25
24
24
26
25
17
8
0
0
0
0
0

High Clouds (% Sky Obscured)

23
6
5
2
1
1
2
6
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 (%)

12
7
10
7
2
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
72
64
66
67
67
66
66
64
63
71
77
70
65
68
69
70
63
57
51
47
44
40
39

Pressure (mb)

1004
1005
1006
1007
1008
1009
1009
1010
1010
1011
1011
1011
1011
1011
1012
1013
1014
1015
1015
1014
1014
1014
1014
1014

Ozone (du)

362
364
359
359
358
359
359
361
364
366
367
365
365
365
368
368
362
360
358
357
357
357
357
359

Monday 19

Waning Gibbous 50%

02:12

12:41

15 OK
16 Good
17 Good
18 Good
19 OK
20 OK
21 OK
22 Good
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 OK
12 OK
13 OK
14 OK

Sun - Rise: 05:32, Set: 20:31, Transit: 13:02. Moon - Rise: 02:12, Set: 12:41. Civil Dark: 21:05 - 04:58. Nautical Dark: 21:49 - 04:14. Astro Dark: 22:40 - 03:22

Total Clouds (% Sky Obscured)

22
16
12
7
45
35
35
4
18
16
3
2
1
0
1
1
1
5
11
15
21
24
32
36

Low Clouds (% Sky Obscured)

22
16
12
7
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
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
2
45
35
35
4
18
16
3
1
1
0
1
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

38
39
42
44
49
52
50
50
53
55
54
55
55
54
55
54
52
51
47
42
38
37
35
35

Pressure (mb)

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

Ozone (du)

360
359
358
357
356
356
355
355
356
358
358
359
359
359
359
359
359
359
359
359
359
360
361
362

Tuesday 20

Third Quarter 39%

02:34

13:56

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 OK
11 Bad
12 Bad
13 Bad
14 Bad

Sun - Rise: 05:31, Set: 20:32, Transit: 13:02. Moon - Rise: 02:34, Set: 13:56. Civil Dark: 21:06 - 04:57. Nautical Dark: 21:50 - 04:13. Astro Dark: 22:42 - 03:20

Total Clouds (% Sky Obscured)

40
44
63
83
100
78
56
35
26
24
13
8
5
2
4
6
8
23
33
43
66
84
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
15
29
44
46

Medium Clouds (% Sky Obscured)

1
1
1
0
0
0
0
0
0
0
0
0
0
0
2
3
4
17
24
35
30
30
35
35

High Clouds (% Sky Obscured)

0
0
33
67
100
67
33
0
0
0
0
1
4
2
3
4
5
14
23
31
54
77
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
2

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

13
12
12
12
12
12
8
8
8
8
8
8
4
4
3
3
3
3
7
6
7
7
8
8

Dew Point (°C)

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

Relative Humidity (%)

36
39
40
46
52
58
58
57
56
55
54
54
55
58
59
58
56
57
56
54
54
55
56
58

Pressure (mb)

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

Ozone (du)

364
366
367
370
372
375
374
373
372
369
366
363
362
361
360
360
360
360
360
359
359
357
356
354

Wednesday 21

Waning Crescent 28%

02:54

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: 20:33, Transit: 13:02. Moon - Rise: 02:54, Set: No Set. Civil Dark: 21:07 - 04:56. Nautical Dark: 21:51 - 04:12. Astro Dark: 22:44 - 03:19

Total Clouds (% Sky Obscured)

100
100
100
100
100
98
97
95
94
92
90
93
95
97
97
97
96

Low Clouds (% Sky Obscured)

49
48
45
41
37
26
15
3
7
14
24
38
53
67
71
76
81

Medium Clouds (% Sky Obscured)

40
45
50
60
70
68
65
63
65
66
68
64
49
40
30
30
25

High Clouds (% Sky Obscured)

100
100
100
100
100
94
94
95
83
70
57
57
57
57
48
39
31

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
4
3
1
2
2
1
2
1
0
3
4
4
10
12
8

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
11
11
10
10
10
9
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

5
5
5
5
5
6
5
5
5
5
5
5
5
5
5
5
5

Relative Humidity (%)

60
62
65
68
71
74
76
78
82
84
85
87
87
88
88
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
357
359
362
364
367
370
373
375
377

Forecast for Kingston, Canada (44.23,-76.49)

Generated: 15/05/25 14:29:20. Forecast: 15/05/25 to 21/05/25. Timezone: UTC-4.00