Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 1

Full Moon 100%

18:26

06:24

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

Sun - Rise: 06:16, Set: 18:38, Transit: 12:27. Moon - Rise: 18:26, Set: 06:24. Civil Dark: 19:00 - 05:55. Nautical Dark: 19:25 - 05:29. Astro Dark: 19:51 - 05:03

Total Clouds (% Sky Obscured)

32
35
33
36
38
33
52
50
65
61
67
68
88
98
91
88
79
94
84
69
81
79
73
40

Low Clouds (% Sky Obscured)

15
16
14
14
18
13
17
16
33
27
37
33
31
30
34
29
31
21
36
29
21
23
22
19

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
36
35
40
34
30
30
29
37
0
30
28
33
0
24
19
15
2
2

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
46
90
63
57
30
77
37
14
30
30
36
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
7
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
Very Light Rain
None
None
Very Light Rain
Very Light Rain
Very Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

18
12
22
10
23
26
33
40
49
43
43
46
46
47
40
43
39
43
43
32
38
38
45
38

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0
0
0.2
0.2
0.2
0
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

13
13
13
13
12
13
13
13
13
13
12
12
13
12
12
13
12
12
12
12
12
12
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

68
69
70
72
76
76
76
77
79
79
78
78
79
79
79
79
78
73
71
70
68
67
69
69

Pressure (mb)

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

Ozone (du)

273
272
272
274
274
275
275
274
273
272
271
271
270
269
269
268
269
270
270
270
270
269
268
268

Thursday 2

Waning Gibbous 99%

19:17

06:59

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

Sun - Rise: 06:16, Set: 18:38, Transit: 12:27. Moon - Rise: 19:17, Set: 06:59. Civil Dark: 19:00 - 05:54. Nautical Dark: 19:26 - 05:28. Astro Dark: 19:51 - 05:02

Total Clouds (% Sky Obscured)

77
76
81
76
94
100
100
88
87
86
84
73
88
87
100
95
71
50
46
34
56
88
93
100

Low Clouds (% Sky Obscured)

20
18
19
21
32
30
34
36
36
41
40
34
44
48
44
32
22
17
13
13
14
16
9
16

Medium Clouds (% Sky Obscured)

22
22
27
21
23
25
26
30
27
33
28
24
30
34
29
33
21
0
0
0
0
14
0
0

High Clouds (% Sky Obscured)

35
30
36
28
78
100
99
48
35
25
25
27
35
29
100
75
30
12
21
4
30
77
88
100

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

38
31
49
49
46
53
52
53
64
64
66
68
60
56
40
41
38
39
27
26
27
25
13
14

Precipitation Amount (mm)

0
0
0.2
0.2
0.2
0.3
0.3
0.3
0.6
0.5
0.6
0.7
0.5
0.4
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

27
25
25
25
24
24
24
24
23
23
23
23
23
23
23
23
23
24
25
25
26
26
25
25

Dew Point (°C)

20
20
20
21
21
20
20
20
20
20
20
20
20
20
20
20
20
20
20
19
20
20
20
20

Relative Humidity (%)

69
69
72
76
78
77
77
77
77
77
77
77
78
78
77
76
77
74
71
67
67
66
67
68

Pressure (mb)

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

Ozone (du)

267
267
268
268
268
268
269
270
271
270
270
270
270
270
269
269
270
270
271
272
272
274
274
275

Friday 3

Waning Gibbous 95%

20:09

07:37

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

Sun - Rise: 06:15, Set: 18:38, Transit: 12:27. Moon - Rise: 20:09, Set: 07:37. Civil Dark: 19:00 - 05:53. Nautical Dark: 19:26 - 05:27. Astro Dark: 19:52 - 05:01

Total Clouds (% Sky Obscured)

81
94
94
70
84
86
88
85
89
91
86
84
76
77
78
75
80
71
58
55
60
60
64
76

Low Clouds (% Sky Obscured)

20
16
14
17
27
26
30
26
31
30
31
27
23
20
16
18
25
18
26
14
17
14
16
19

Medium Clouds (% Sky Obscured)

0
0
0
27
29
36
42
42
40
52
31
23
28
34
40
37
34
30
27
24
19
15
9
10

High Clouds (% Sky Obscured)

62
88
85
29
27
52
25
26
25
25
41
43
45
45
40
30
30
30
18
25
24
27
35
59

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

Precipitation Probability (%)

28
24
31
45
35
34
41
40
51
39
42
36
30
30
39
28
34
33
30
36
39
49
52
67

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
70
70
73
76
77
77
77
78
78
79
79
79
79
79
78
78
76
70
69
68
67
67
69

Pressure (mb)

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

Ozone (du)

275
275
275
276
276
276
277
278
278
278
277
277
277
277
277
277
278
277
278
278
277
277
276
276

Saturday 4

Waning Gibbous 90%

21:01

08:17

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

Sun - Rise: 06:14, Set: 18:39, Transit: 12:26. Moon - Rise: 21:01, Set: 08:17. Civil Dark: 19:00 - 05:52. Nautical Dark: 19:26 - 05:26. Astro Dark: 19:52 - 05:01

Total Clouds (% Sky Obscured)

88
100
92
83
77
78
81
82
79
76
71
71
69
66
67
64
62
59
68
65
78
78
87
97

Low Clouds (% Sky Obscured)

18
20
24
18
19
32
48
44
26
25
34
42
59
19
18
27
27
25
38
26
26
17
17
14

Medium Clouds (% Sky Obscured)

11
14
11
11
6
9
11
16
9
5
1
12
17
21
22
23
24
16
8
1
4
8
10
16

High Clouds (% Sky Obscured)

80
100
78
53
33
43
51
56
49
42
35
31
31
26
26
21
18
13
31
28
53
61
87
97

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

76
84
78
75
74
66
60
60
60
52
48
48
48
33
48
49
50
53
62
63
66
69
77
74

Precipitation Amount (mm)

0.6
0.7
0.6
0.6
0.7
0.4
0.3
0.3
0.3
0.2
0.3
0
0
0
0
0
0
0
0.2
0.3
0.3
0.3
0.5
0.4

Wind Speed/Direction (mph)

15
16
16
15
14
14
14
14
13
13
12
12
11
11
11
11
12
13
14
15
16
16
16
16

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
71
75
77
79
79
79
79
80
83
83
82
83
82
82
83
83
78
75
72
72
72
71
70

Pressure (mb)

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

Ozone (du)

275
273
273
274
275
276
276
276
277
278
277
276
276
276
275
274
275
275
275
275
275
275
274
273

Sunday 5

Waning Gibbous 84%

21:55

09:01

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

Sun - Rise: 06:13, Set: 18:39, Transit: 12:26. Moon - Rise: 21:55, Set: 09:01. Civil Dark: 19:01 - 05:51. Nautical Dark: 19:26 - 05:26. Astro Dark: 19:52 - 05:00

Total Clouds (% Sky Obscured)

92
91
93
90
84
81
80
77
53
36
21
40
37
33
37
39
42
48
53
60
64
66
72
70

Low Clouds (% Sky Obscured)

13
11
10
9
26
17
14
17
16
16
14
24
24
25
23
23
22
23
25
25
28
30
31
28

Medium Clouds (% Sky Obscured)

21
26
17
9
1
1
2
2
2
2
2
1
1
1
1
1
0
0
0
0
10
19
27
32

High Clouds (% Sky Obscured)

92
89
90
86
72
69
67
68
46
26
9
14
7
1
1
1
1
2
6
9
5
9
15
14

ISS Passover

Visibility (miles)

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

Light Rain
Light Rain
Very Light Rain
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

Precipitation Probability (%)

74
78
67
63
62
55
55
44
40
48
43
52
50
41
44
41
29
38
38
34
43
47
50
48

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

71
72
75
77
82
83
83
85
85
85
87
85
85
87
87
84
82
79
76
72
69
69
70
70

Pressure (mb)

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

Ozone (du)

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

Monday 6

Waning Gibbous 76%

22:49

09:49

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

Sun - Rise: 06:12, Set: 18:39, Transit: 12:26. Moon - Rise: 22:49, Set: 09:49. Civil Dark: 19:01 - 05:50. Nautical Dark: 19:27 - 05:25. Astro Dark: 19:53 - 04:59

Total Clouds (% Sky Obscured)

70
73
62
52
41
42
44
44
42
40
36
36
36
33
34
35
36
37
37
37
43
46
47
45

Low Clouds (% Sky Obscured)

24
21
17
14
12
12
14
16
19
21
25
23
21
20
23
27
31
30
29
29
26
21
17
18

Medium Clouds (% Sky Obscured)

34
36
24
12
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
12
23
32
29

High Clouds (% Sky Obscured)

13
12
14
9
7
5
3
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1

ISS Passover

Visibility (miles)

8
8
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
None

Precipitation Probability (%)

44
36
37
37
34
38
36
30
37
37
30
33
32
26
32
30
17
25
26
24
28
30
31
31

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

Chance of Frost

Temperature (°C)

27
27
27
26
26
25
25
25
24
24
24
24
24
24
24
24
25
25
26
27
28
28
29
29

Feels Like (°C)

29
28
28
28
27
27
25
27
27
27
27
27
27
28
28
28
28
28
30
30
30
29
30
31

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
22
22

Relative Humidity (%)

71
72
74
77
81
84
85
87
87
87
87
87
87
88
87
85
83
82
77
73
69
67
67
66

Pressure (mb)

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

Ozone (du)

273
272
272
272
272
273
273
274
274
275
276
276
277
277
277
277
276
276
276
277
277
277
277
278

Tuesday 7

Waning Gibbous 67%

23:41

10:41

15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:12, Set: 18:39, Transit: 12:26. Moon - Rise: 23:41, Set: 10:41. Civil Dark: 19:01 - 05:50. Nautical Dark: 19:27 - 05:24. Astro Dark: 19:53 - 04:58

Total Clouds (% Sky Obscured)

46
46
55
67
72
62
65
67
64
64
64
62
62
66
72
74
76

Low Clouds (% Sky Obscured)

18
18
14
11
8
8
8
10
12
14
16
15
15
12
11
10
9

Medium Clouds (% Sky Obscured)

27
25
17
9
1
7
12
15
11
11
11
11
14
14
13
11
10

High Clouds (% Sky Obscured)

2
5
10
15
25
21
18
14
6
6
3
3
3
3
7
15
19

ISS Passover

Visibility (miles)

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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

31
30
28
24
15
19
19
16
19
19
18
22
24
23
27
28
27

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
14
14
13
11
10
10
9
9
8
7
6
6
6
6
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

32
31
30
30
30
30
26
27
27
27
27
27
27
27
28
28
28

Dew Point (°C)

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

Relative Humidity (%)

68
71
72
76
79
83
86
86
86
87
87
88
87
87
87
84
83

Pressure (mb)

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

Ozone (du)

278
277
277
278
278
279
279
280
280
279
278
278
277
277
277
277
276

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

Generated: 01/04/26 15:10:10. Forecast: 01/04/26 to 07/04/26. Timezone: UTC-4.00