Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 25

First Quarter 52%

11:45

00:38

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: 06:23, Set: 18:36, Transit: 12:30. Moon - Rise: 11:45, Set: 00:38. Civil Dark: 18:58 - 06:01. Nautical Dark: 19:23 - 05:36. Astro Dark: 19:49 - 05:10

Total Clouds (% Sky Obscured)

61
57
59
61
68
63
60
57
59
58
44
51
54
57
65
58
52
66
65
62
73
73
68
58

Low Clouds (% Sky Obscured)

31
24
26
29
33
32
28
30
26
36
32
30
36
37
40
26
16
18
20
21
21
22
23
24

Medium Clouds (% Sky Obscured)

35
42
40
43
46
40
38
29
22
11
7
33
28
28
27
28
22
26
30
33
34
33
33
27

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
6
23
12
4
15
16
9
8

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
6
9
7
5
7
7
6
5
9
9
9
9
9

Fog (%)

0
0
0
1
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
Very Light Rain
None
Very Light Rain
None
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

35
26
29
46
42
51
53
60
59
40
54
51
57
75
77
74
74
81
70
64
51
40
42
42

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
82
80
82
83
83
83
83
79
77
73
72
72
73
73
72
72
75
78
80
82
83
83
84

Pressure (mb)

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

Ozone (du)

275
273
271
272
271
271
271
271
271
272
275
276
278
278
276
274
271
270
270
269
268
268
267
267

Thursday 26

Waxing Gibbous 63%

12:49

01:39

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: 06:22, Set: 18:36, Transit: 12:29. Moon - Rise: 12:49, Set: 01:39. Civil Dark: 18:58 - 06:00. Nautical Dark: 19:24 - 05:35. Astro Dark: 19:49 - 05:09

Total Clouds (% Sky Obscured)

57
60
59
63
73
82
80
71
81
78
58
65
70
91
72
94
100
99
98
92
59
41
17
12

Low Clouds (% Sky Obscured)

28
35
35
42
43
32
38
44
26
23
36
33
26
25
33
25
24
14
13
13
13
6
15
12

Medium Clouds (% Sky Obscured)

32
29
29
26
31
32
22
24
28
23
30
34
25
26
29
40
44
70
59
41
15
14
7
1

High Clouds (% Sky Obscured)

1
0
0
2
13
30
25
16
24
25
4
7
33
79
21
74
99
93
97
83
23
25
14
3

ISS Passover

Visibility (miles)

9
9
9
6
7
9
9
7
9
9
9
9
5
5
9
5
9
9
9
9
9
5
6
7

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

Precipitation Probability (%)

37
33
59
49
46
28
48
57
50
72
78
81
88
90
94
91
95
95
95
63
44
55
55
55

Precipitation Amount (mm)

0
0
0.5
0.3
0
0
0.2
0.3
0
0.4
0.4
0.4
0.6
0.6
0.6
0.4
0.4
0.4
0.6
0.2
0.2
0.4
0.5
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21

Relative Humidity (%)

84
84
84
84
83
83
83
83
80
77
75
75
73
75
76
75
73
73
76
79
79
80
80
82

Pressure (mb)

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

Ozone (du)

267
266
266
266
265
266
265
267
269
269
269
269
269
269
269
267
266
265
267
267
268
268
269
270

Friday 27

Waxing Gibbous 74%

13:52

02:33

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 OK
06 Bad
07 OK
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: 06:21, Set: 18:37, Transit: 12:29. Moon - Rise: 13:52, Set: 02:33. Civil Dark: 18:58 - 06:00. Nautical Dark: 19:24 - 05:34. Astro Dark: 19:50 - 05:09

Total Clouds (% Sky Obscured)

35
36
47
52
50
34
25
10
49
63
68
96
75
100
71
100
100
100
100
100
85
86
72
72

Low Clouds (% Sky Obscured)

26
15
21
23
23
22
18
6
9
13
23
21
23
17
13
18
17
14
18
16
14
15
23
17

Medium Clouds (% Sky Obscured)

1
5
14
20
25
5
19
8
34
37
29
22
18
1
13
17
28
37
46
68
36
19
1
11

High Clouds (% Sky Obscured)

21
30
25
25
21
12
15
10
7
17
18
93
40
100
52
100
99
100
100
100
76
70
48
46

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
1
1
1
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain
None
Very Light Rain
None
None

Precipitation Probability (%)

44
35
29
32
17
15
31
25
64
71
82
69
62
60
71
86
84
79
60
45
39
51
32
32

Precipitation Amount (mm)

0.3
0
0
0
0
0
0
0
0.4
0.5
0.9
0.6
0.4
0.3
0.4
0.5
0.4
0.4
0
0.2
0
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21
21

Relative Humidity (%)

83
82
82
83
83
84
84
83
78
76
76
76
73
71
70
71
75
78
80
79
80
80
82
80

Pressure (mb)

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

Ozone (du)

270
269
268
267
269
268
268
268
269
271
271
273
272
272
270
269
270
269
269
270
270
272
272
273

Saturday 28

Waxing Gibbous 83%

14:52

03:20

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: 06:21, Set: 18:37, Transit: 12:29. Moon - Rise: 14:52, Set: 03:20. Civil Dark: 18:59 - 05:59. Nautical Dark: 19:24 - 05:33. Astro Dark: 19:50 - 05:08

Total Clouds (% Sky Obscured)

63
68
92
96
91
89
90
76
86
86
71
64
68
78
82
93
99
95
100
99
93
85
97
80

Low Clouds (% Sky Obscured)

16
31
33
33
36
39
44
29
29
23
33
29
26
30
25
21
24
17
17
18
18
20
26
22

Medium Clouds (% Sky Obscured)

21
29
33
35
37
37
37
37
32
28
24
26
28
31
21
19
5
18
39
52
47
40
32
36

High Clouds (% Sky Obscured)

37
37
75
88
84
67
51
21
39
46
28
34
51
67
77
91
97
93
98
93
67
61
87
52

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

44
57
59
66
68
70
68
66
67
65
70
68
65
62
68
66
51
40
41
43
43
45
52
47

Precipitation Amount (mm)

0
0.3
0.3
0.3
0.5
0.4
0.3
0.4
0.4
0.4
0.6
0.4
0.3
0.3
0.2
0
0
0
0
0
0
0.2
0.4
0.3

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
82
82
83
82
82
82
82
79
77
74
72
71
69
68
68
69
71
73
74
77
79
78
78

Pressure (mb)

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

Ozone (du)

274
274
274
274
274
273
273
273
271
273
274
275
276
276
275
274
273
273
273
273
274
273
274
273

Sunday 29

Waxing Gibbous 91%

15:49

04:02

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: 06:20, Set: 18:37, Transit: 12:28. Moon - Rise: 15:49, Set: 04:02. Civil Dark: 18:59 - 05:58. Nautical Dark: 19:24 - 05:32. Astro Dark: 19:50 - 05:07

Total Clouds (% Sky Obscured)

84
83
82
82
85
86
79
82
82
87
93
94
68
89
80
80
79
80
81
82
83
82
81
86

Low Clouds (% Sky Obscured)

31
27
30
37
30
32
31
32
19
24
18
13
14
17
24
20
19
15
13
11
13
17
18
23

Medium Clouds (% Sky Obscured)

39
40
28
16
3
32
37
58
57
71
81
88
67
65
42
44
43
50
58
66
65
60
55
55

High Clouds (% Sky Obscured)

43
29
35
46
63
54
30
15
25
17
34
13
17
45
8
9
10
15
19
24
21
23
22
35

ISS Passover

Visibility (miles)

9
9
7
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
8

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 (%)

53
54
49
42
30
32
25
16
20
23
21
22
22
28
32
31
29
29
30
32
32
35
39
35

Precipitation Amount (mm)

0.3
0.5
0.3
0.2
0
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
10
10
10
10
10
11
11
11
11
12
12
13
13
13
13
13
13
13
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
78
79
78
80
79
79
78
76
71
70
69
69
68
69
69
71
72
73
76
76
77
77
77

Pressure (mb)

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

Ozone (du)

274
273
274
275
276
275
275
278
278
279
280
281
281
281
280
279
278
277
277
278
278
278
278
278

Monday 30

Waxing Gibbous 96%

16:43

04:40

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: 06:19, Set: 18:37, Transit: 12:28. Moon - Rise: 16:43, Set: 04:40. Civil Dark: 18:59 - 05:57. Nautical Dark: 19:25 - 05:32. Astro Dark: 19:50 - 05:06

Total Clouds (% Sky Obscured)

90
94
93
92
86
80
78
75
72
66
57
59
65
65
70
73
69
71
70
72
76
79
83
86

Low Clouds (% Sky Obscured)

29
32
31
26
25
24
26
29
25
22
20
19
19
20
17
16
16
15
18
20
23
27
33
34

Medium Clouds (% Sky Obscured)

56
58
49
43
37
36
34
32
27
23
18
22
25
28
33
36
37
39
40
41
39
39
38
39

High Clouds (% Sky Obscured)

52
66
72
77
83
65
52
36
24
12
0
0
0
0
6
12
17
20
23
26
28
31
36
40

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

35
38
33
32
34
34
37
43
36
31
33
30
30
33
31
31
33
39
47
56
55
59
67
61

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

25
24
24
24
24
24
24
23
24
25
26
25
25
26
26
26
26
26
26
26
26
24
23
23

Dew Point (°C)

20
19
19
19
19
19
19
19
20
19
19
19
19
19
19
19
19
20
20
20
20
20
20
20

Relative Humidity (%)

76
74
73
73
74
74
73
71
71
69
67
65
65
64
64
66
68
70
72
73
76
77
76
76

Pressure (mb)

1016
1016
1015
1015
1015
1015
1015
1016
1016
1016
1017
1017
1016
1016
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016

Ozone (du)

277
277
277
277
277
277
278
278
279
280
280
281
280
280
279
279
280
280
280
280
280
280
280
280

Tuesday 31

Waxing Gibbous 99%

17:35

05:16

Sun - Rise: 06:18, Set: 18:38, Transit: 12:28. Moon - Rise: 17:35, Set: 05:16. Civil Dark: 18:59 - 05:56. Nautical Dark: 19:25 - 05:31. Astro Dark: 19:51 - 05:05

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: 25/03/26 00:15:30. Forecast: 25/03/26 to 31/03/26. Timezone: UTC-4.00