Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 9

Waxing Gibbous 94%

16:30

03:49

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: 05:52, Set: 18:49, Transit: 12:20. Moon - Rise: 16:30, Set: 03:49. Civil Dark: 19:12 - 05:29. Nautical Dark: 19:39 - 05:02. Astro Dark: 20:07 - 04:34

Total Clouds (% Sky Obscured)

92
90
89
80
90
86
72
67
60
67
47
59
53
42
65
46
47
57
83
21
53
65
46
64

Low Clouds (% Sky Obscured)

25
26
18
24
38
33
45
48
39
42
36
50
53
40
25
14
9
14
0
8
18
19
24
30

Medium Clouds (% Sky Obscured)

25
28
31
25
23
15
0
0
0
0
0
0
0
0
30
23
25
28
2
0
27
39
3
31

High Clouds (% Sky Obscured)

50
48
51
35
42
39
35
22
20
35
14
7
10
20
32
18
28
26
79
4
4
9
2
7

ISS Passover

Visibility (miles)

-
9
9
9
9
9
9
9
9
9
9
9
9
6
6
6
9
6
9
9
9
3
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
24

Precipitation Type

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

Precipitation Probability (%)

0
0
0
0
44
38
40
19
17
11
18
14
27
32
41
41
57
66
83
76
66
89
95
86

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.2
0.5
0.5
0.9
0.8
0.5
1.1
1.6
1.1

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
79
82
82
83
83
83
80
77
76
74
74
73
77
75
76
77
78
81
84
84
83
84
87

Pressure (mb)

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

Ozone (du)

304
302
300
299
299
300
299
298
299
298
299
298
298
297
295
293
291
291
289
288
287
286
286
286

Saturday 10

Waxing Gibbous 98%

17:18

04:21

00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 OK
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 OK
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:52, Set: 18:49, Transit: 12:20. Moon - Rise: 17:18, Set: 04:21. Civil Dark: 19:12 - 05:28. Nautical Dark: 19:40 - 05:01. Astro Dark: 20:08 - 04:33

Total Clouds (% Sky Obscured)

32
52
45
49
56
51
7
40
50
55
36
43
45
25
38
86
86
89
86
22
19
46
57
70

Low Clouds (% Sky Obscured)

25
40
33
34
43
40
7
24
19
35
36
43
45
11
13
6
14
11
0
3
8
20
18
24

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
31
26
0
0
0
0
0
0
14
0
0
0
0
0
32
30

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
14
71
76
82
76
13
1
0
0
29

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
6
6
6
6
9
9
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

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

Precipitation Probability (%)

59
24
20
18
45
33
24
25
20
21
25
25
34
30
33
42
47
35
16
27
22
38
34
52

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

9
9
9
9
10
11
10
9
10
11
12
13
15
16
16
16
15
14
13
12
11
10
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

23
23
23
23
23
23
23
23
23
23
23
23
23
24
24
24
24
24
24
24
24
24
24
23

Relative Humidity (%)

87
86
87
86
86
86
87
86
82
78
73
74
75
76
76
76
77
80
82
84
86
87
86
86

Pressure (mb)

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

Ozone (du)

286
287
286
285
286
287
286
284
283
284
285
286
285
285
285
284
282
281
282
283
283
284
286
286

Sunday 11

Waxing Gibbous 100%

18:08

04:55

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 OK
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad

Sun - Rise: 05:51, Set: 18:49, Transit: 12:20. Moon - Rise: 18:08, Set: 04:55. Civil Dark: 19:13 - 05:28. Nautical Dark: 19:40 - 05:01. Astro Dark: 20:08 - 04:33

Total Clouds (% Sky Obscured)

58
73
69
70
67
67
64
71
63
54
22
39
34
30
12
24
23
25
26
41
42
41
38
37

Low Clouds (% Sky Obscured)

30
36
27
32
37
34
34
34
20
31
15
20
27
21
12
24
19
17
13
21
18
23
22
22

Medium Clouds (% Sky Obscured)

0
32
30
13
0
27
0
0
0
0
0
4
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

9
6
11
3
30
9
4
11
7
8
7
6
0
1
2
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
7
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 (%)

39
42
40
34
24
27
34
26
19
19
33
41
32
20
39
21
31
33
26
24
34
23
21
22

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
12
12
12
13
12
12
13
14
15
16
17
17
17
18
18
19
18
17
16
15
14
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23

Relative Humidity (%)

86
86
86
86
86
86
86
84
81
77
74
73
72
72
72
73
74
76
79
82
84
84
86
84

Pressure (mb)

1017
1017
1017
1017
1016
1017
1017
1018
1018
1018
1018
1018
1018
1017
1017
1016
1016
1016
1017
1017
1018
1018
1019
1019

Ozone (du)

285
285
285
286
287
287
287
288
289
288
290
290
290
289
289
289
287
286
286
288
289
289
289
289

Monday 12

Full Moon 100%

19:01

05:32

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: 05:51, Set: 18:50, Transit: 12:20. Moon - Rise: 19:01, Set: 05:32. Civil Dark: 19:13 - 05:28. Nautical Dark: 19:40 - 05:00. Astro Dark: 20:09 - 04:32

Total Clouds (% Sky Obscured)

40
41
48
50
56
59
62
64
68
83
71
79
76
70
70
66
70
57
43
50
61
47
55
53

Low Clouds (% Sky Obscured)

24
31
37
33
38
36
36
41
35
26
25
28
29
28
28
32
22
16
15
13
14
17
26
22

Medium Clouds (% Sky Obscured)

0
0
7
14
22
23
23
24
25
25
26
17
8
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
2
2
2
2
1
2
12
35
21
35
35
35
29
23
30
16
2
19
27
10
13
16

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
7
9
9
9
9
9
9
9
9
9
7
8
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 (%)

25
28
30
31
37
38
37
41
36
36
40
36
33
32
27
26
21
20
29
26
29
30
22
21

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)

12
12
11
12
13
13
13
14
14
16
16
18
18
19
19
19
19
19
19
18
18
17
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
84
84
83
82
83
83
79
77
75
71
70
72
72
72
73
74
75
77
79
81
82
79
79

Pressure (mb)

1018
1018
1017
1017
1017
1017
1018
1018
1019
1019
1019
1019
1018
1017
1016
1016
1016
1015
1016
1016
1017
1017
1018
1018

Ozone (du)

290
289
288
288
288
288
289
289
290
290
290
290
290
289
289
287
287
287
287
285
285
285
285
285

Tuesday 13

Waning Gibbous 100%

19:55

06:13

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: 05:50, Set: 18:50, Transit: 12:20. Moon - Rise: 19:55, Set: 06:13. Civil Dark: 19:13 - 05:27. Nautical Dark: 19:41 - 05:00. Astro Dark: 20:09 - 04:31

Total Clouds (% Sky Obscured)

63
70
84
75
61
62
50
43
44
46
42
59
65
70
52
52
54
54
54
53
53
51
49
58

Low Clouds (% Sky Obscured)

24
27
28
33
31
31
24
32
32
23
17
17
19
19
26
24
22
19
16
14
23
34
43
58

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

34
52
63
54
39
40
28
21
30
41
33
53
60
66
22
27
32
29
27
24
19
14
10
7

ISS Passover

Visibility (miles)

9
9
9
9
7
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 (%)

22
24
30
39
34
31
26
18
15
20
20
22
20
21
28
27
24
24
24
22
21
20
19
22

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

27
28
28
26
26
27
26
27
26
27
27
28
27
27
27
27
27
27
27
27
27
26
27
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
21
21

Relative Humidity (%)

81
82
82
82
82
82
82
79
76
75
71
70
72
70
69
70
71
73
75
76
77
76
73
72

Pressure (mb)

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

Ozone (du)

285
285
284
283
283
283
282
282
283
284
285
285
285
285
284
283
283
282
282
282
283
283
283
283

Wednesday 14

Waning Gibbous 98%

20:49

06:59

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: 05:50, Set: 18:50, Transit: 12:20. Moon - Rise: 20:49, Set: 06:59. Civil Dark: 19:14 - 05:27. Nautical Dark: 19:41 - 04:59. Astro Dark: 20:10 - 04:31

Total Clouds (% Sky Obscured)

67
77
77
78
81
77
73
70
65
60
57
53
51
50
43
35
28
39
52
63
60
57
53
57

Low Clouds (% Sky Obscured)

67
77
77
69
59
52
46
40
34
30
26
26
26
27
23
19
16
15
15
14
14
15
17
35

Medium Clouds (% Sky Obscured)

0
0
11
20
29
19
9
0
0
0
0
1
3
4
3
1
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

5
4
7
10
13
15
9
8
9
10
7
1
2
4
3
2
1
0
0
0
0
0
2
3

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

26
29
32
36
41
40
40
41
40
40
40
42
44
46
46
44
42
38
31
21
19
15
4
10

Precipitation Amount (mm)

0
0
0
0
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)

15
15
15
14
14
13
13
13
13
14
14
15
15
15
16
16
16
16
15
15
14
14
14
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
75
75
77
79
79
78
77
76
74
71
69
69
72
72
74
75
76
77
79
81
79
78
78

Pressure (mb)

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

Ozone (du)

282
282
282
282
282
282
282
282
282
283
283
284
283
283
282
282
282
282
282
283
284
284
284
284

Thursday 15

Waning Gibbous 94%

21:43

07:49

Sun - Rise: 05:50, Set: 18:51, Transit: 12:20. Moon - Rise: 21:43, Set: 07:49. Civil Dark: 19:14 - 05:26. Nautical Dark: 19:42 - 04:59. Astro Dark: 20:10 - 04:30

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: 09/05/25 01:46:28. Forecast: 09/05/25 to 15/05/25. Timezone: UTC-4.00