Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 29

Waxing Crescent 6%

07:17

21:07

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
00 Bad

Sun - Rise: 05:57, Set: 18:45, Transit: 12:21. Moon - Rise: 07:17, Set: 21:07. Civil Dark: 19:08 - 05:34. Nautical Dark: 19:35 - 05:08. Astro Dark: 20:02 - 04:40

Total Clouds (% Sky Obscured)

63
64
86
57
61
66
70
68
62
67
80
64
72
79
74
71
68
70
70
77
89
80
69
100

Low Clouds (% Sky Obscured)

36
33
28
28
27
31
20
16
23
28
38
34
31
32
33
18
23
18
25
30
24
21
18
21

Medium Clouds (% Sky Obscured)

44
41
27
30
24
0
0
0
0
0
0
0
0
15
10
17
4
16
23
25
20
0
0
0

High Clouds (% Sky Obscured)

2
2
35
2
7
17
52
47
39
42
61
32
36
47
26
35
20
25
30
31
59
35
30
100

ISS Passover

Visibility (miles)

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

Fog (%)

0
1
0
0
1
31
24
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
44
26
18
16
17
13
15
24
44
58
70
78
77
73
86
74
60
58
75
62
28
28

Precipitation Amount (mm)

0
0
0.3
0
0
0
0
0
0
0
0
0.3
0.6
0.7
0.6
0.7
1
0.7
0.3
0.2
0.6
0.4
0
0

Wind Speed/Direction (mph)

5
6
6
6
5
4
3
3
3
5
7
8
10
11
10
8
8
7
5
5
5
5
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
84
84
84
83
82
82
79
76
71
74
75
78
78
78
78
79
82
82
83
83
84
84
84

Pressure (mb)

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

Ozone (du)

281
283
283
284
284
284
283
283
283
282
281
281
281
281
281
280
280
280
281
281
281
280
280
280

Wednesday 30

Waxing Crescent 13%

08:17

22:14

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
00 Bad

Sun - Rise: 05:56, Set: 18:46, Transit: 12:21. Moon - Rise: 08:17, Set: 22:14. Civil Dark: 19:08 - 05:34. Nautical Dark: 19:35 - 05:07. Astro Dark: 20:02 - 04:40

Total Clouds (% Sky Obscured)

100
90
81
100
90
90
97
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

26
31
30
48
32
34
34
27
42
36
38
33
34
31
33
24
22
24
18
19
28
37
27
49

Medium Clouds (% Sky Obscured)

0
0
0
24
32
25
25
31
28
29
24
8
13
2
18
16
20
20
18
18
35
35
8
42

High Clouds (% Sky Obscured)

100
74
49
99
30
25
80
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
2
7
3
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
Very Light Rain
None
None
None
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

18
39
49
48
48
28
32
32
59
53
69
72
74
76
91
95
95
53
17
24
15
15
17
31

Precipitation Amount (mm)

0
0
0.3
0.2
0.2
0
0
0
0.4
0.2
0.4
0.4
0.4
0.4
0.7
2.1
1.9
0.2
0
0
0
0
0
0

Wind Speed/Direction (mph)

2
2
2
3
3
3
3
5
5
5
6
7
8
8
7
6
6
6
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
83
84
83
84
84
83
81
78
79
79
78
77
77
76
77
80
80
80
79
79
78
79
79

Pressure (mb)

1013
1012
1012
1012
1012
1012
1013
1014
1014
1014
1014
1013
1013
1012
1012
1012
1012
1012
1013
1013
1013
1014
1013
1013

Ozone (du)

280
280
280
280
280
281
281
281
280
280
281
282
280
279
278
277
277
277
279
279
280
280
281
280

Thursday 1

Waxing Crescent 22%

09:20

23:16

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
00 Bad

Sun - Rise: 05:56, Set: 18:46, Transit: 12:21. Moon - Rise: 09:20, Set: 23:16. Civil Dark: 19:09 - 05:33. Nautical Dark: 19:36 - 05:06. Astro Dark: 20:03 - 04:39

Total Clouds (% Sky Obscured)

100
100
100
84
79
88
87
82
86
75
68
72
61
68
83
87
81
85
87
86
86
86
86
84

Low Clouds (% Sky Obscured)

46
39
33
42
26
27
28
24
27
33
28
32
22
30
40
63
35
59
68
75
85
80
75
56

Medium Clouds (% Sky Obscured)

24
39
47
49
20
53
34
26
41
5
35
22
23
15
41
61
49
43
28
36
45
54
50
42

High Clouds (% Sky Obscured)

100
100
100
25
8
20
20
20
20
15
17
25
35
40
45
45
40
30
4
2
25
1
6
18

ISS Passover

Visibility (miles)

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

Fog (%)

0
0
2
0
3
23
23
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
None
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

52
73
65
49
77
57
47
47
78
77
65
73
92
84
95
95
95
77
63
44
43
43
40
35

Precipitation Amount (mm)

0.3
0.7
0.3
0
0.9
0.4
0.3
0.3
0.9
0.5
0.4
0.6
1.5
1
1.9
2.6
1.1
0.5
0.3
0
0
0
0
0

Wind Speed/Direction (mph)

6
5
5
5
6
6
7
7
8
8
8
8
9
9
10
9
9
9
9
8
9
9
10
10

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
82
82
82
82
82
83
81
78
79
78
78
78
78
78
82
87
87
85
87
84
82
80
79

Pressure (mb)

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

Ozone (du)

280
280
281
281
280
280
280
281
282
283
284
283
282
282
282
280
281
282
283
285
286
286
286
287

Friday 2

Waxing Crescent 33%

10:24

00:10

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
00 Bad

Sun - Rise: 05:55, Set: 18:46, Transit: 12:21. Moon - Rise: 10:24, Set: 00:10. Civil Dark: 19:09 - 05:33. Nautical Dark: 19:36 - 05:06. Astro Dark: 20:03 - 04:38

Total Clouds (% Sky Obscured)

84
84
85
85
75
67
61
56
54
28
38
22
32
32
41
54
54
54
60
61
61
63
67
73

Low Clouds (% Sky Obscured)

49
32
41
43
36
31
26
20
27
27
38
11
25
15
23
17
19
52
60
61
61
62
67
73

Medium Clouds (% Sky Obscured)

42
30
21
9
9
8
5
4
2
1
0
1
1
0
1
8
10
14
15
11
11
9
3
3

High Clouds (% Sky Obscured)

25
30
30
30
25
20
25
29
34
1
2
0
0
2
2
1
0
7
11
0
0
0
1
0

ISS Passover

Visibility (miles)

9
9
9
9
9
8
9
9
9
7
6
9
9
6
9
6
6
2
7
8
2
3
3
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
Very Light Rain
None
None
None
None
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None

Precipitation Probability (%)

34
34
38
38
43
49
50
46
41
45
32
38
49
53
67
70
95
95
88
82
72
68
53
26

Precipitation Amount (mm)

0
0
0
0
0
0.2
0
0
0
0.3
0
0
0
0
0.4
0.3
1
0.9
0.6
0.7
0.5
0.5
0.3
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
78
79
79
79
79
78
76
75
74
74
74
74
76
76
77
79
82
82
80
82
84
87
85

Pressure (mb)

1013
1012
1012
1012
1012
1013
1013
1014
1014
1014
1014
1014
1013
1013
1012
1012
1012
1013
1013
1013
1014
1014
1014
1014

Ozone (du)

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

Saturday 3

Waxing Crescent 43%

11:25

00:57

01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 OK
09 OK
10 OK
11 OK
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

Sun - Rise: 05:55, Set: 18:47, Transit: 12:21. Moon - Rise: 11:25, Set: 00:57. Civil Dark: 19:09 - 05:32. Nautical Dark: 19:36 - 05:05. Astro Dark: 20:04 - 04:37

Total Clouds (% Sky Obscured)

77
62
50
48
48
50
52
44
36
24
29
33
15
39
47
53
49
43
39
42
45
44
52
63

Low Clouds (% Sky Obscured)

77
53
20
19
18
19
20
16
13
10
26
33
9
14
15
17
16
18
19
18
19
18
18
17

Medium Clouds (% Sky Obscured)

0
0
0
1
0
0
0
0
0
0
0
0
0
8
13
19
13
7
1
0
0
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
24
45

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

11
8
9
9
8
8
4
4
3
0
20
42
48
77
87
95
93
88
82
70
54
27
25
21

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.6
0.9
1.2
1
0.8
0.7
0.5
0.2
0
0
0

Wind Speed/Direction (mph)

9
8
8
7
7
7
7
8
7
8
8
9
9
9
7
6
5
5
5
4
4
4
4
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
85
84
84
83
83
82
79
76
69
68
69
74
71
74
76
77
77
77
77
79
82
83
84

Pressure (mb)

1013
1013
1012
1012
1012
1013
1013
1014
1014
1014
1014
1014
1014
1013
1013
1013
1012
1013
1013
1013
1014
1014
1014
1014

Ozone (du)

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

Sunday 4

First Quarter 54%

12:23

00:57

01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 OK
10 Good
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

Sun - Rise: 05:54, Set: 18:47, Transit: 12:21. Moon - Rise: 12:23, Set: 00:57. Civil Dark: 19:10 - 05:31. Nautical Dark: 19:37 - 05:04. Astro Dark: 20:04 - 04:37

Total Clouds (% Sky Obscured)

67
60
49
36
50
66
85
61
34
8
36
67
98
100
100
93
80
67
56
57
56
53
64
67

Low Clouds (% Sky Obscured)

14
15
14
14
12
11
11
6
4
1
6
12
18
16
16
15
16
18
21
18
15
15
19
20

Medium Clouds (% Sky Obscured)

0
1
2
3
4
5
6
6
6
5
5
7
8
3
1
1
2
2
3
5
3
1
1
0

High Clouds (% Sky Obscured)

64
44
23
3
29
58
85
57
28
0
33
67
98
100
100
93
67
33
0
7
15
21
42
64

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
7
5
4
3
2
4
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

13
22
26
27
23
16
2
4
4
2
24
35
41
61
75
85
86
87
89
75
60
43
40
35

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
0.8
0.9
0.9
1.1
0.7
0.4
0
0
0

Wind Speed/Direction (mph)

3
3
3
3
3
3
3
4
2
3
4
6
7
9
8
8
7
6
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

29
29
29
29
29
28
28
28
30
30
30
30
32
32
30
30
29
29
29
29
27
28
28
29

Dew Point (°C)

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

Relative Humidity (%)

83
83
84
84
83
83
83
83
77
72
68
70
73
75
77
79
81
82
82
83
83
83
83
84

Pressure (mb)

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

Ozone (du)

283
283
282
282
282
282
281
281
282
282
282
282
281
280
279
278
277
277
278
278
278
279
280
280

Monday 5

Waxing Gibbous 64%

13:17

01:37

Sun - Rise: 05:54, Set: 18:47, Transit: 12:21. Moon - Rise: 13:17, Set: 01:37. Civil Dark: 19:10 - 05:31. Nautical Dark: 19:37 - 05:04. Astro Dark: 20:05 - 04:36

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: 29/04/25 01:07:19. Forecast: 29/04/25 to 05/05/25. Timezone: UTC-4.00