Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 2%

05:37

16:40

00 OK
01 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 OK
08 OK
09 OK
10 OK
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: 17:52, Transit: 12:21. Moon - Rise: 05:37, Set: 16:40. Civil Dark: 18:15 - 06:26. Nautical Dark: 18:43 - 05:59. Astro Dark: 19:10 - 05:32

Total Clouds (% Sky Obscured)

50
37
27
32
26
34
29
40
33
39
11
49
55
50
48
67
66
69
72
63
60
59
55
56

Low Clouds (% Sky Obscured)

26
12
19
21
14
26
24
18
13
18
5
17
17
27
28
37
29
28
42
39
35
31
19
23

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
26
38
0
0
21
22
24
24
22
26
25
38
28

High Clouds (% Sky Obscured)

3
15
2
1
1
1
1
2
2
2
2
0
0
1
1
2
2
2
3
3
3
3
2
1

ISS Passover

Visibility (miles)

-
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
9
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

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
1
0
0
0
1
3
12
12
15
16
24
46
66
69
66
71
54
43
39
41

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.5
0.5
0.7
0.4
0
0
0

Wind Speed/Direction (mph)

7
7
6
5
5
6
7
7
9
9
11
13
13
14
14
14
15
15
14
13
12
12
12
12

Chance of Frost

Temperature (°C)

25
25
25
25
25
25
25
25
26
27
27
27
27
27
27
27
26
26
26
26
26
26
26
26

Feels Like (°C)

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

Dew Point (°C)

22
21
21
21
21
21
20
21
21
20
20
20
20
20
21
22
22
22
22
22
22
22
22
22

Relative Humidity (%)

82
79
78
78
77
77
74
76
73
68
65
65
65
66
69
74
77
78
81
81
81
79
79
81

Pressure (mb)

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

Ozone (du)

257
256
255
255
255
257
260
262
263
264
264
264
264
263
263
263
263
261
259
258
256
255
254
255

Friday 19

New Moon 0%

06:30

17:31

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 OK
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 06:51, Set: 17:52, Transit: 12:21. Moon - Rise: 06:30, Set: 17:31. Civil Dark: 18:16 - 06:27. Nautical Dark: 18:43 - 06:00. Astro Dark: 19:10 - 05:33

Total Clouds (% Sky Obscured)

83
84
86
85
78
56
71
66
50
49
52
53
39
42
45
46
44
50
47
21
53
63
67
44

Low Clouds (% Sky Obscured)

24
30
21
27
55
45
23
31
23
22
40
30
33
36
42
28
17
18
16
7
21
19
22
26

Medium Clouds (% Sky Obscured)

20
41
37
36
33
1
1
0
0
0
18
21
0
0
0
0
0
0
0
0
0
42
47
36

High Clouds (% Sky Obscured)

27
31
35
35
24
14
25
7
1
1
1
1
1
1
1
2
1
1
1
1
2
2
1
0

ISS Passover

Visibility (miles)

9
9
7
6
7
9
9
9
9
9
9
9
9
9
8
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
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

47
70
95
85
57
25
19
19
18
19
25
20
36
45
40
30
7
4
5
14
16
20
20
28

Precipitation Amount (mm)

0
0.5
1.2
0.9
0.4
0
0
0
0
0
0
0
0
0.4
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

26
26
25
25
25
26
26
26
26
27
27
27
27
27
27
27
27
27
26
26
26
26
26
26

Feels Like (°C)

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

Dew Point (°C)

22
22
22
22
22
21
21
21
21
21
21
22
22
22
22
22
22
22
21
21
21
21
22
22

Relative Humidity (%)

81
79
83
83
83
77
75
75
73
71
70
70
70
73
75
75
76
74
72
72
73
76
77
78

Pressure (mb)

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

Ozone (du)

254
253
252
251
252
253
253
254
253
253
254
254
252
251
251
249
247
247
246
245
244
245
245
246

Saturday 20

Waxing Crescent 1%

07:23

18:24

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 OK
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: 06:51, Set: 17:53, Transit: 12:22. Moon - Rise: 07:23, Set: 18:24. Civil Dark: 18:16 - 06:27. Nautical Dark: 18:44 - 06:00. Astro Dark: 19:11 - 05:33

Total Clouds (% Sky Obscured)

46
53
51
49
58
33
48
48
62
68
66
66
58
46
45
44
43
40
47
44
54
60
64
61

Low Clouds (% Sky Obscured)

44
53
51
49
47
13
12
18
21
35
37
35
29
19
24
26
20
15
26
21
31
32
33
32

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
27
0
30
39
44
38
36
29
29
23
26
22
28
27
31
36
39
40

High Clouds (% Sky Obscured)

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

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
7
9
9
9
6
7
9
9
7
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
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

26
29
23
18
8
12
17
21
24
42
53
48
52
47
47
44
49
52
48
46
51
51
49
49

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

26
26
26
26
26
26
26
25
26
27
27
27
27
27
27
27
27
26
26
26
26
26
26
26

Feels Like (°C)

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

Dew Point (°C)

22
22
22
22
21
21
21
21
21
22
22
22
22
22
21
22
22
22
22
22
22
22
22
22

Relative Humidity (%)

79
81
79
79
75
73
76
77
76
75
74
74
72
71
71
72
75
77
79
79
79
79
82
81

Pressure (mb)

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

Ozone (du)

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

Sunday 21

Waxing Crescent 3%

08:12

19:19

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: 17:53, Transit: 12:22. Moon - Rise: 08:12, Set: 19:19. Civil Dark: 18:17 - 06:28. Nautical Dark: 18:44 - 06:01. Astro Dark: 19:11 - 05:34

Total Clouds (% Sky Obscured)

65
60
56
52
45
42
40
36
40
42
61
63
48
40
33
31
29
35
45
44
49
56
61
60

Low Clouds (% Sky Obscured)

36
30
35
42
42
29
22
16
15
15
43
58
38
31
18
15
16
13
17
16
22
30
38
35

Medium Clouds (% Sky Obscured)

43
41
29
15
0
0
0
0
13
26
39
26
12
0
2
4
6
12
18
24
29
33
38
34

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

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

Precipitation Probability (%)

49
51
50
52
60
55
46
20
29
33
40
37
39
43
38
32
26
27
36
39
52
57
60
61

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

25
25
25
25
25
25
25
26
26
26
27
27
27
27
27
27
27
27
26
26
26
26
26
25

Feels Like (°C)

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

Dew Point (°C)

22
22
22
22
22
22
22
22
21
21
22
22
21
22
22
22
22
22
22
22
22
22
22
22

Relative Humidity (%)

80
82
80
80
82
82
83
78
76
72
72
72
71
73
74
75
75
76
79
81
81
82
82
82

Pressure (mb)

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

Ozone (du)

243
243
243
242
242
243
242
242
242
243
243
243
242
241
241
240
239
239
239
239
239
240
240
240

Monday 22

Waxing Crescent 7%

08:58

20:15

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: 17:54, Transit: 12:23. Moon - Rise: 08:58, Set: 20:15. Civil Dark: 18:17 - 06:28. Nautical Dark: 18:45 - 06:01. Astro Dark: 19:12 - 05:34

Total Clouds (% Sky Obscured)

67
66
71
72
70
70
69
68
68
64
57
49
42
31
40
41
40
43
43
46
47
47
43
42

Low Clouds (% Sky Obscured)

47
49
52
55
47
49
49
50
48
37
30
29
27
20
22
22
23
20
19
18
16
17
15
18

Medium Clouds (% Sky Obscured)

28
23
29
33
37
23
12
0
9
16
24
16
8
0
0
0
0
5
9
14
14
13
12
8

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)

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

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

Precipitation Probability (%)

63
61
60
62
58
60
59
57
56
46
47
47
49
44
46
46
44
44
43
42
40
39
39
36

Precipitation Amount (mm)

0.5
0.5
0.4
0.5
0.5
0.4
0.4
0.4
0.3
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

25
25
25
25
25
25
25
25
25
26
26
26
27
27
27
26
26
26
26
26
26
26
26
26

Feels Like (°C)

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

Dew Point (°C)

22
22
22
22
22
22
22
22
22
22
22
22
21
21
22
22
22
22
22
22
22
22
22
21

Relative Humidity (%)

82
82
82
82
83
83
83
83
82
79
79
76
71
69
75
76
78
79
79
81
79
79
78
77

Pressure (mb)

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

Ozone (du)

240
240
239
239
238
238
239
239
239
239
240
240
240
240
240
240
240
240
240
240
240
241
241
242

Tuesday 23

Waxing Crescent 13%

09:40

21:09

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: 06:53, Set: 17:54, Transit: 12:23. Moon - Rise: 09:40, Set: 21:09. Civil Dark: 18:18 - 06:29. Nautical Dark: 18:45 - 06:02. Astro Dark: 19:12 - 05:35

Total Clouds (% Sky Obscured)

44
41
49
54
55
56
61
67
71
72
69
71
77
75
85
90
87
88
85
86
84
78
72
78

Low Clouds (% Sky Obscured)

21
22
22
20
21
21
24
27
27
28
30
27
25
25
20
19
17
18
22
25
26
26
29
33

Medium Clouds (% Sky Obscured)

4
0
14
26
37
38
38
40
38
36
33
36
37
38
41
42
40
36
31
27
25
25
25
26

High Clouds (% Sky Obscured)

0
0
1
1
2
2
1
0
0
0
0
1
1
2
29
56
83
87
85
86
84
72
58
64

ISS Passover

Visibility (miles)

9
9
9
8
7
7
6
6
6
6
6
6
6
7
7
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

31
22
31
38
45
51
58
66
63
62
65
65
66
72
70
70
75
72
75
81
74
70
71
72

Precipitation Amount (mm)

0
0
0
0
0
0.2
0.4
0.6
0.5
0.4
0.5
0.4
0.4
0.5
0.4
0.4
0.5
0.4
0.5
0.8
0.6
0.5
0.6
0.6

Wind Speed/Direction (mph)

11
11
11
11
11
12
12
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
13
12

Chance of Frost

Temperature (°C)

26
25
25
25
25
25
25
25
25
26
26
26
26
26
26
26
26
26
26
26
25
25
25
25

Feels Like (°C)

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

Dew Point (°C)

21
21
21
21
21
21
22
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21

Relative Humidity (%)

77
77
77
78
79
80
80
79
79
77
76
75
74
72
70
71
72
73
76
76
78
78
79
79

Pressure (mb)

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

Ozone (du)

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

Wednesday 24

Waxing Crescent 21%

10:19

22:03

Sun - Rise: 06:53, Set: 17:55, Transit: 12:24. Moon - Rise: 10:19, Set: 22:03. Civil Dark: 18:18 - 06:29. Nautical Dark: 18:46 - 06:02. Astro Dark: 19:13 - 05:35

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 Ramón Nevares, El Cinco Barrio, Puerto Rico (18.40,-66.07)

Generated: 18/12/25 01:14:42. Forecast: 18/12/25 to 24/12/25. Timezone: UTC-4.00