Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 4

Full Moon 100%

17:28

07:25

10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
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

Sun - Rise: 06:43, Set: 17:47, Transit: 12:15. Moon - Rise: 17:28, Set: 07:25. Civil Dark: 18:10 - 06:19. Nautical Dark: 18:37 - 05:52. Astro Dark: 19:04 - 05:26

Total Clouds (% Sky Obscured)

51
59
56
57
56
53
60
43
47
43
33
45
46
39
49
54
52
74
72
40
44
45
44
41

Low Clouds (% Sky Obscured)

33
29
32
30
30
23
23
16
12
19
13
15
33
22
32
27
38
48
41
20
19
19
17
10

Medium Clouds (% Sky Obscured)

0
13
19
25
28
25
17
16
32
0
0
15
13
0
0
0
0
25
28
0
0
0
23
28

High Clouds (% Sky Obscured)

3
5
2
3
2
4
10
3
3
2
2
2
2
2
2
9
5
2
2
2
1
2
2
2

ISS Passover

Visibility (miles)

9
9
7
9
8
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
39
47
55
40
33
12
11
14
27
30
27
22
23
29
23
24
19
9
20
12
23

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

27
27
27
28
28
27
27
27
26
26
26
26
26
26
26
26
26
26
26
26
26
26
27
27

Feels Like (°C)

29
29
29
30
30
29
30
29
30
29
29
29
29
28
28
29
28
28
28
27
28
29
29
30

Dew Point (°C)

22
23
23
23
23
23
23
23
23
22
22
23
23
23
23
23
23
23
22
21
21
22
22
22

Relative Humidity (%)

74
76
77
75
74
75
76
79
81
78
78
81
82
81
83
82
83
84
81
77
77
78
75
70

Pressure (mb)

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

Ozone (du)

255
254
253
252
251
251
250
249
249
248
248
248
248
247
246
247
247
247
247
247
247
248
248
249

Friday 5

Waning Gibbous 97%

18:34

08:32

10 Bad
11 Bad
12 Bad
13 Bad
14 OK
15 OK
16 OK
17 OK
18 OK
19 OK
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

Sun - Rise: 06:44, Set: 17:47, Transit: 12:15. Moon - Rise: 18:34, Set: 08:32. Civil Dark: 18:11 - 06:20. Nautical Dark: 18:38 - 05:53. Astro Dark: 19:04 - 05:26

Total Clouds (% Sky Obscured)

31
31
44
42
32
22
21
32
31
31
32
24
30
42
46
46
56
51
51
64
53
64
57
46

Low Clouds (% Sky Obscured)

12
17
40
27
13
11
10
15
17
16
16
14
12
24
22
22
19
14
14
52
53
43
37
38

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
9
0
21
0
21
27
21
0
0
36
21
0

High Clouds (% Sky Obscured)

2
2
2
3
4
2
2
2
1
1
0
1
1
1
1
1
0
2
1
1
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
Very Light Rain
None
None
None
None
None
None
None
None
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

30
30
23
5
6
7
5
5
5
11
35
42
20
25
24
19
20
21
23
36
42
44
36
28

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

28
28
28
28
28
28
27
27
26
26
26
26
26
26
26
26
26
25
25
25
25
26
26
27

Feels Like (°C)

29
30
29
28
28
28
28
28
28
27
27
28
28
28
27
26
27
26
27
27
27
26
28
28

Dew Point (°C)

21
22
22
22
21
20
20
20
20
20
21
22
22
22
22
21
20
19
20
21
21
22
22
22

Relative Humidity (%)

66
68
69
68
66
61
62
67
69
70
75
79
81
78
78
73
71
70
74
78
78
78
76
72

Pressure (mb)

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

Ozone (du)

250
249
249
248
248
248
247
246
246
245
245
245
245
246
246
247
247
247
247
246
245
245
246
246

Saturday 6

Waning Gibbous 92%

19:42

09:32

10 Bad
11 Bad
12 Bad
13 Bad
14 OK
15 OK
16 OK
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

Sun - Rise: 06:44, Set: 17:47, Transit: 12:15. Moon - Rise: 19:42, Set: 09:32. Civil Dark: 18:11 - 06:21. Nautical Dark: 18:38 - 05:53. Astro Dark: 19:05 - 05:27

Total Clouds (% Sky Obscured)

43
41
41
42
19
28
34
37
33
50
54
66
42
44
46
37
36
50
50
59
46
34
40
45

Low Clouds (% Sky Obscured)

38
33
34
22
16
12
12
11
24
28
18
32
10
10
19
26
36
48
44
55
16
19
19
23

Medium Clouds (% Sky Obscured)

0
14
13
16
0
0
0
21
0
30
0
3
36
37
29
0
0
0
2
7
29
16
19
22

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
6
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
5
6
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
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain

Precipitation Probability (%)

20
29
47
45
29
20
12
30
28
25
25
23
21
17
21
17
33
54
72
66
43
32
39
41

Precipitation Amount (mm)

0
0
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
1.1
0.9
0.3
0
0.2
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

28
28
28
28
28
28
28
27
26
26
26
26
26
26
26
25
25
25
25
25
25
25
26
27

Feels Like (°C)

29
29
29
29
29
29
29
29
29
28
28
28
28
28
27
28
28
28
27
27
27
28
29
29

Dew Point (°C)

22
22
22
22
22
21
21
22
23
23
23
22
22
21
21
21
22
22
22
22
22
22
22
23

Relative Humidity (%)

69
69
69
73
70
66
66
72
79
79
81
81
78
73
73
77
79
79
80
82
82
82
81
78

Pressure (mb)

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

Ozone (du)

246
245
244
244
246
247
246
245
245
245
246
247
248
248
247
247
246
245
244
245
245
246
247
247

Sunday 7

Waning Gibbous 85%

20:50

No Set

10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 OK
16 OK
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 OK
09 OK

Sun - Rise: 06:45, Set: 17:48, Transit: 12:16. Moon - Rise: 20:50, Set: No Set. Civil Dark: 18:11 - 06:21. Nautical Dark: 18:38 - 05:54. Astro Dark: 19:05 - 05:27

Total Clouds (% Sky Obscured)

47
40
39
30
26
26
25
34
43
48
41
32
41
45
31
43
60
44
40
40
37
38
27
28

Low Clouds (% Sky Obscured)

17
19
24
20
13
15
18
14
16
17
15
13
41
45
14
25
60
26
17
19
20
38
14
14

Medium Clouds (% Sky Obscured)

25
16
9
0
0
0
0
7
14
20
14
7
0
9
16
24
20
15
10
8
3
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
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
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
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 (%)

42
34
31
31
25
19
14
16
13
11
22
30
35
32
32
32
33
36
38
36
36
27
17
16

Precipitation Amount (mm)

0.2
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
13
14
14
15
14
14
14
13
13
12
11
11
11
10
9
8
8
8
8
8
8
8
8

Chance of Frost

Temperature (°C)

27
28
28
28
28
28
28
27
27
26
26
26
26
26
26
26
25
25
25
25
25
25
26
27

Feels Like (°C)

29
30
30
30
30
30
29
30
29
29
29
29
29
28
28
30
29
28
29
29
29
29
28
30

Dew Point (°C)

22
22
22
22
22
22
23
23
23
23
22
22
23
22
22
22
22
22
22
22
22
22
22
23

Relative Humidity (%)

76
73
69
69
69
72
74
76
79
79
78
79
82
79
78
82
84
82
82
83
83
84
82
78

Pressure (mb)

1018
1017
1017
1016
1015
1015
1014
1015
1015
1016
1016
1016
1016
1016
1016
1015
1015
1015
1014
1014
1015
1015
1016
1016

Ozone (du)

247
247
246
245
245
246
245
245
245
246
247
246
246
245
246
246
246
245
244
242
243
243
243
244

Monday 8

Waning Gibbous 75%

21:52

10:23

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

Sun - Rise: 06:45, Set: 17:48, Transit: 12:16. Moon - Rise: 21:52, Set: 10:23. Civil Dark: 18:11 - 06:22. Nautical Dark: 18:39 - 05:55. Astro Dark: 19:05 - 05:28

Total Clouds (% Sky Obscured)

37
31
20
13
14
14
14
10
5
0
6
13
20
19
32
58
48
56
64
58
52
46
43
38

Low Clouds (% Sky Obscured)

35
31
11
5
4
5
5
4
2
0
2
4
12
14
32
56
48
51
48
38
27
16
14
13

Medium Clouds (% Sky Obscured)

0
1
1
2
1
1
0
0
0
0
0
0
0
0
0
0
7
14
21
19
16
14
12
9

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
2
1
2
30
6
6
5
4
3
2
1
1

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 (%)

16
12
12
12
26
26
9
7
6
5
12
11
6
21
29
22
36
41
41
41
40
41
33
25

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

Chance of Frost

Temperature (°C)

28
28
28
29
29
28
28
28
27
26
26
26
26
25
25
25
26
25
25
25
26
26
26
27

Feels Like (°C)

31
30
30
31
31
31
31
31
30
29
29
29
29
28
29
29
28
27
27
27
28
28
28
30

Dew Point (°C)

23
22
22
20
20
22
22
23
23
22
22
22
22
22
22
22
22
22
22
22
22
22
22
21

Relative Humidity (%)

74
72
66
61
61
66
70
74
76
77
79
78
78
79
83
83
82
80
80
80
79
77
76
71

Pressure (mb)

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

Ozone (du)

244
244
244
244
244
244
245
244
244
245
245
247
247
247
247
246
246
246
246
246
246
246
246
247

Tuesday 9

Waning Gibbous 65%

22:50

11:07

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

Sun - Rise: 06:46, Set: 17:48, Transit: 12:17. Moon - Rise: 22:50, Set: 11:07. Civil Dark: 18:12 - 06:22. Nautical Dark: 18:39 - 05:55. Astro Dark: 19:06 - 05:28

Total Clouds (% Sky Obscured)

32
23
14
6
6
7
12
20
24
27
30
37
47
45
47
50
57
62
69
69
67
66
57
47

Low Clouds (% Sky Obscured)

11
9
6
2
1
1
0
2
3
5
9
13
17
17
17
19
37
56
69
64
51
38
30
21

Medium Clouds (% Sky Obscured)

5
3
2
0
0
0
0
0
0
0
0
0
0
7
14
21
24
26
26
28
30
32
29
27

High Clouds (% Sky Obscured)

1
1
2
3
4
5
6
12
12
15
14
13
8
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
8
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 (%)

15
21
22
16
17
13
3
11
15
13
26
30
32
31
28
23
28
30
31
35
36
37
38
38

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

Chance of Frost

Temperature (°C)

27
28
28
28
29
28
28
27
27
26
26
26
26
26
25
25
25
25
26
26
26
26
26
27

Feels Like (°C)

29
29
30
29
30
31
29
29
29
29
28
26
26
28
27
27
27
29
28
28
28
28
28
29

Dew Point (°C)

20
20
20
20
20
20
21
21
22
22
23
23
23
23
22
22
22
22
22
22
22
22
22
22

Relative Humidity (%)

66
63
61
60
59
62
66
70
74
78
82
82
84
86
83
82
80
80
79
78
78
78
78
76

Pressure (mb)

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

Ozone (du)

247
248
247
247
247
246
246
246
245
244
244
245
246
247
247
247
248
248
247
247
247
247
246
247

Wednesday 10

Waning Gibbous 55%

23:44

11:46

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

Sun - Rise: 06:46, Set: 17:49, Transit: 12:17. Moon - Rise: 23:44, Set: 11:46. Civil Dark: 18:12 - 06:23. Nautical Dark: 18:39 - 05:56. Astro Dark: 19:06 - 05:29

Total Clouds (% Sky Obscured)

37
34
28
22
22
22
22
22
24
33
41
38
37
42
45
47
47
46
45
38
32
26

Low Clouds (% Sky Obscured)

14
15
14
13
14
13
12
12
13
13
12
10
10
18
25
33
36
39
41
33
25
16

Medium Clouds (% Sky Obscured)

26
17
8
0
0
0
0
0
0
0
10
21
33
22
10
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
9
8
8
7
8
8
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

Precipitation Type

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

Precipitation Probability (%)

38
40
39
37
35
31
20
20
17
5
16
22
25
36
43
50
52
55
58
47
33
14

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

27
28
28
28
28
28
28
27
27
26
26
26
25
25
25
25
25
25
25
25
25
25

Feels Like (°C)

29
29
29
29
30
30
29
30
29
29
29
27
28
28
28
28
28
28
28
28
28
27

Dew Point (°C)

22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22
22

Relative Humidity (%)

74
72
72
70
71
72
73
74
75
77
78
81
82
83
83
84
84
86
86
86
83
80

Pressure (mb)

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

Ozone (du)

247
247
246
245
244
244
244
244
244
244
243
243
243
243
244
244
245
245
245
245
245
246

Forecast for San Juan, San Juan Antiguo Barrio, Puerto Rico (18.47,-66.11)

Generated: 04/12/25 10:45:28. Forecast: 04/12/25 to 10/12/25. Timezone: UTC-4.00