Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 9

Waning Gibbous 58%

01:19

11:34

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 OK
17 Bad
18 OK
19 OK
20 Good
21 Good
22 Good
23 OK
00 OK
01 OK
02 OK

Sun - Rise: 06:11, Set: 18:40, Transit: 12:25. Moon - Rise: 01:19, Set: 11:34. Civil Dark: 19:02 - 05:49. Nautical Dark: 19:28 - 05:23. Astro Dark: 19:54 - 04:57

Total Clouds (% Sky Obscured)

62
58
52
58
57
62
57
57
51
42
58
52
37
27
34
37
17
2
0
5
14
25
41
36

Low Clouds (% Sky Obscured)

23
23
20
20
20
23
38
46
48
42
50
37
31
27
14
6
0
0
0
2
6
15
29
20

Medium Clouds (% Sky Obscured)

27
23
23
23
17
5
2
0
0
0
0
11
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

7
1
2
0
2
9
1
1
2
0
2
21
12
2
23
28
16
2
0
2
1
1
6
2

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

19
21
18
16
16
24
19
23
23
38
45
35
21
12
17
2
1
0
1
2
5
6
7
7

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
84
84
83
80
76
73
73
74
73
74
76
76
75
73
76
78
79
81
81
82
82
82
82

Pressure (mb)

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

Ozone (du)

267
268
270
270
270
269
269
269
270
270
270
269
269
270
269
269
269
270
270
270
270
269
269
269

Friday 10

Third Quarter 48%

02:03

12:29

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

Sun - Rise: 06:10, Set: 18:40, Transit: 12:25. Moon - Rise: 02:03, Set: 12:29. Civil Dark: 19:02 - 05:48. Nautical Dark: 19:28 - 05:22. Astro Dark: 19:54 - 04:56

Total Clouds (% Sky Obscured)

57
83
58
75
78
55
50
29
15
26
29
29
27
26
23
11
26
33
40
69
55
66
54
63

Low Clouds (% Sky Obscured)

21
24
25
30
22
55
50
10
3
10
29
29
20
16
10
4
11
12
14
13
15
19
19
29

Medium Clouds (% Sky Obscured)

34
22
0
22
37
0
0
0
0
0
0
0
2
7
4
0
0
0
0
0
28
23
0
6

High Clouds (% Sky Obscured)

2
25
11
14
23
10
7
2
10
21
20
29
27
26
23
2
0
0
3
43
4
1
7
3

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
Very Light Rain

Precipitation Probability (%)

10
22
15
14
22
16
4
5
7
22
23
18
21
9
9
8
5
5
3
10
11
14
22
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
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
83
82
82
80
77
72
66
63
64
69
70
69
69
70
75
79
82
82
83
83
82
82
83

Pressure (mb)

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

Ozone (du)

269
269
270
272
273
273
274
274
273
272
270
269
269
269
270
271
271
273
273
274
275
274
275
275

Saturday 11

Waning Crescent 38%

02:43

13:24

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

Sun - Rise: 06:09, Set: 18:40, Transit: 12:25. Moon - Rise: 02:43, Set: 13:24. Civil Dark: 19:02 - 05:47. Nautical Dark: 19:28 - 05:21. Astro Dark: 19:54 - 04:55

Total Clouds (% Sky Obscured)

69
51
51
42
36
29
44
43
37
40
16
11
8
11
22
16
20
24
32
32
39
45
55
51

Low Clouds (% Sky Obscured)

32
33
31
30
20
15
24
26
32
40
16
10
8
11
6
2
4
10
11
15
19
45
55
51

Medium Clouds (% Sky Obscured)

0
2
0
0
0
0
31
0
0
0
0
0
0
0
1
2
7
1
0
1
0
0
0
0

High Clouds (% Sky Obscured)

23
3
1
0
2
4
2
2
1
0
0
0
0
2
11
8
12
10
12
3
8
7
23
13

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
5
6
6
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 (%)

29
25
12
21
5
5
11
8
17
24
30
32
27
18
28
31
14
15
18
30
29
21
21
16

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
8
9
9
10
12
14
15
15
15
15
15
14
12
11
10
9
8
7
7
7

Chance of Frost

Temperature (°C)

25
24
24
24
25
26
27
27
28
28
27
28
27
27
27
26
26
25
25
25
25
25
25
25

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
84
83
84
82
78
72
69
69
69
71
73
71
71
74
78
82
83
83
84
84
84
82
79

Pressure (mb)

1015
1014
1015
1015
1016
1016
1016
1016
1016
1016
1015
1014
1014
1014
1014
1014
1015
1015
1016
1016
1016
1016
1015
1015

Ozone (du)

274
274
274
275
274
274
274
276
276
276
275
275
273
271
270
270
270
271
271
271
271
271
271
272

Sunday 12

Waning Crescent 28%

No Rise

14:18

03 Bad
04 OK
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
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
00 Bad
01 Bad
02 Bad

Sun - Rise: 06:09, Set: 18:40, Transit: 12:25. Moon - Rise: No Rise, Set: 14:18. Civil Dark: 19:03 - 05:46. Nautical Dark: 19:28 - 05:21. Astro Dark: 19:55 - 04:54

Total Clouds (% Sky Obscured)

64
39
60
61
55
48
44
34
38
37
45
68
84
100
96
91
87
90
95
100
92
83
75
71

Low Clouds (% Sky Obscured)

61
23
23
19
19
21
29
18
22
32
28
39
13
11
17
21
24
30
37
39
37
38
50
48

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
1
1
9
9
13
24
36
48
45
46
40
32
21
17
17

High Clouds (% Sky Obscured)

19
4
31
35
35
21
14
5
8
7
20
53
78
100
87
70
56
67
83
100
72
43
19
23

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
5
9
9
9
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

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

Precipitation Probability (%)

16
5
6
6
6
10
13
12
26
33
34
56
56
47
70
70
65
61
60
64
62
63
63
57

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
78
79
79
78
73
71
70
70
72
76
75
78
79
81
82
82
82
80
79
78
79
78
77

Pressure (mb)

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

Ozone (du)

272
273
273
273
273
273
273
273
274
273
272
271
271
272
272
272
272
273
274
275
275
275
274
273

Monday 13

Waning Crescent 19%

03:22

15:13

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
02 Bad

Sun - Rise: 06:08, Set: 18:41, Transit: 12:24. Moon - Rise: 03:22, Set: 15:13. Civil Dark: 19:03 - 05:46. Nautical Dark: 19:29 - 05:20. Astro Dark: 19:55 - 04:53

Total Clouds (% Sky Obscured)

67
67
72
72
80
71
61
54
57
65
70
81
90
100
90
78
66
57
52
48
60
72
84
84

Low Clouds (% Sky Obscured)

41
16
24
21
15
17
18
20
26
31
36
33
32
27
26
22
21
23
26
28
43
57
70
75

Medium Clouds (% Sky Obscured)

19
14
29
11
28
26
23
22
24
26
28
32
36
39
34
29
24
15
10
4
14
23
31
34

High Clouds (% Sky Obscured)

30
35
35
35
31
30
26
20
26
34
41
61
81
100
70
37
5
0
0
0
0
0
5
10

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
7
6
7
7
8
7
6
5
7
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

50
36
43
34
35
59
65
69
78
83
85
95
95
95
95
95
95
95
95
71
68
59
43
57

Precipitation Amount (mm)

0
0
0
0
0
0
0.3
0.4
0.5
0.6
0.7
0.9
1.4
2.4
1.4
2
2.7
1.7
0.9
0.4
0.3
0.2
0
0

Wind Speed/Direction (mph)

7
6
7
7
6
5
6
7
9
8
7
7
6
6
7
4
4
5
5
5
5
5
5
6

Chance of Frost

Temperature (°C)

25
25
25
24
24
25
26
26
26
26
26
26
26
25
25
25
25
24
24
24
24
24
24
24

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
78
80
82
80
77
73
70
68
69
71
73
75
77
79
79
80
82
82
82
82
82
82
82

Pressure (mb)

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

Ozone (du)

273
272
273
274
275
276
277
277
278
278
279
279
279
279
279
279
279
279
280
281
282
284
285
286

Tuesday 14

Waning Crescent 11%

03:59

16:07

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 OK
02 Bad

Sun - Rise: 06:07, Set: 18:41, Transit: 12:24. Moon - Rise: 03:59, Set: 16:07. Civil Dark: 19:03 - 05:45. Nautical Dark: 19:29 - 05:19. Astro Dark: 19:55 - 04:53

Total Clouds (% Sky Obscured)

84
85
74
65
53
54
59
61
65
70
78
82
87
92
86
79
70
53
38
23
17
11
3
14

Low Clouds (% Sky Obscured)

80
85
64
43
21
16
11
7
12
18
25
27
31
34
25
19
17
14
10
9
8
5
2
5

Medium Clouds (% Sky Obscured)

36
39
32
26
19
27
34
41
39
39
40
51
61
72
62
53
42
28
14
1
1
1
0
0

High Clouds (% Sky Obscured)

16
30
40
40
45
40
40
35
21
23
27
19
11
9
13
15
16
11
6
0
0
0
1
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
7
4
1
4
6
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

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

Precipitation Probability (%)

68
77
70
64
60
72
77
60
93
95
95
95
95
95
95
95
95
95
91
60
53
46
34
47

Precipitation Amount (mm)

0.3
0.5
0.3
0.2
0
0.3
0.4
0
0.6
1.2
1.1
1.4
1.8
2.1
1.9
1.7
1.6
1.1
0.6
0.2
0
0
0
0

Wind Speed/Direction (mph)

5
5
5
5
5
5
5
5
6
6
7
7
6
6
5
5
5
5
5
6
6
6
5
5

Chance of Frost

Temperature (°C)

24
24
24
24
24
24
25
26
26
26
26
27
26
26
26
25
25
24
24
24
24
24
24
24

Feels Like (°C)

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

Dew Point (°C)

21
21
20
21
21
21
20
20
20
20
20
21
21
21
21
20
20
21
21
21
21
21
20
21

Relative Humidity (%)

82
82
80
80
82
82
76
71
67
68
68
69
71
72
75
74
77
79
79
80
80
82
82
83

Pressure (mb)

1011
1011
1011
1012
1012
1013
1013
1013
1012
1012
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1013
1012
1012
1011

Ozone (du)

287
288
288
290
291
293
293
293
293
293
293
293
294
295
296
298
300
302
303
304
305
303
302
301

Wednesday 15

Waning Crescent 5%

04:36

17:04

Sun - Rise: 06:06, Set: 18:41, Transit: 12:24. Moon - Rise: 04:36, Set: 17:04. Civil Dark: 19:03 - 05:44. Nautical Dark: 19:29 - 05:18. Astro Dark: 19:56 - 04:52

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

Generated: 09/04/26 03:13:42. Forecast: 09/04/26 to 15/04/26. Timezone: UTC-4.00