Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 23

First Quarter 48%

11:46

01:19

05 OK
06 OK
07 OK
08 OK
09 OK
10 OK
11 OK
12 OK
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
03 Bad
04 Bad

Sun - Rise: 06:01, Set: 18:43, Transit: 12:22. Moon - Rise: 11:46, Set: 01:19. Civil Dark: 19:06 - 05:38. Nautical Dark: 19:32 - 05:12. Astro Dark: 19:59 - 04:44

Total Clouds (% Sky Obscured)

28
27
26
16
29
39
33
25
68
86
100
100
95
94
97
100
100
100
87
91
90
100
71
66

Low Clouds (% Sky Obscured)

9
13
15
16
29
21
13
10
13
13
30
41
55
58
52
55
26
22
24
22
23
16
19
16

Medium Clouds (% Sky Obscured)

14
13
21
1
0
0
1
0
0
0
0
0
0
37
31
27
0
2
24
0
23
21
0
0

High Clouds (% Sky Obscured)

0
1
0
1
2
1
2
5
53
81
100
100
92
68
85
95
100
100
73
89
85
100
39
35

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
None

Precipitation Probability (%)

0
0
0
4
14
3
3
2
2
6
10
12
20
24
21
19
15
16
18
16
20
18
13
8

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)

3
3
3
2
2
4
6
8
9
11
11
11
9
8
8
7
6
6
6
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

77
78
77
73
70
66
62
62
63
63
62
62
64
67
69
71
71
71
72
72
73
74
75
75

Pressure (mb)

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

Ozone (du)

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

Friday 24

Waxing Gibbous 60%

12:47

02:03

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

Sun - Rise: 06:00, Set: 18:44, Transit: 12:22. Moon - Rise: 12:47, Set: 02:03. Civil Dark: 19:06 - 05:38. Nautical Dark: 19:33 - 05:11. Astro Dark: 20:00 - 04:44

Total Clouds (% Sky Obscured)

27
38
74
100
100
57
47
100
100
58
69
100
100
100
98
100
100
98
100
100
100
80
100
100

Low Clouds (% Sky Obscured)

7
1
0
6
13
10
6
10
10
9
16
18
19
15
11
16
16
16
6
25
23
5
4
1

Medium Clouds (% Sky Obscured)

0
4
4
7
13
6
4
1
0
22
22
35
30
12
18
25
5
11
0
0
0
0
0
0

High Clouds (% Sky Obscured)

10
29
72
100
100
31
31
100
100
26
31
100
100
100
97
100
100
96
100
100
100
78
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
6
6
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
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

8
9
6
3
2
1
1
3
2
3
8
31
64
72
73
59
46
32
35
37
23
9
12
11

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
0.6
0.4
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

19
19
19
19
18
18
17
18
18
19
20
20
21
22
22
22
22
22
22
22
22
22
22
22

Relative Humidity (%)

77
78
75
71
65
59
56
55
57
58
62
66
71
77
82
82
83
83
83
84
84
85
87
88

Pressure (mb)

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

Ozone (du)

273
274
274
275
276
277
277
277
276
275
274
273
272
273
273
274
274
273
273
274
273
273
272
271

Saturday 25

Waxing Gibbous 70%

13:45

02:41

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 OK
18 OK
19 OK
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 OK

Sun - Rise: 06:00, Set: 18:44, Transit: 12:22. Moon - Rise: 13:45, Set: 02:41. Civil Dark: 19:07 - 05:37. Nautical Dark: 19:33 - 05:10. Astro Dark: 20:00 - 04:43

Total Clouds (% Sky Obscured)

100
99
99
94
100
97
86
94
100
100
63
51
30
43
37
75
72
65
100
49
63
53
45
38

Low Clouds (% Sky Obscured)

2
0
0
0
8
13
17
18
19
15
29
17
5
7
5
12
5
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
10
28
67
65
17
11
0
0
0
0
27
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
98
99
90
100
94
70
85
99
100
34
25
25
25
32
49
68
65
100
49
63
53
45
38

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
None

Precipitation Probability (%)

13
13
9
12
8
19
13
13
15
11
10
4
3
2
10
10
10
8
5
5
5
6
8
5

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

21
21
22
22
22
21
21
20
20
19
20
20
20
21
21
21
21
21
21
21
21
21
21
21

Relative Humidity (%)

87
87
87
83
76
68
65
61
57
54
55
57
61
68
74
77
79
82
82
83
84
84
85
85

Pressure (mb)

1012
1012
1013
1013
1013
1013
1013
1012
1012
1011
1011
1010
1011
1011
1011
1012
1013
1013
1013
1013
1012
1012
1012
1012

Ozone (du)

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

Sunday 26

Waxing Gibbous 80%

14:39

03:17

05 Bad
06 Bad
07 OK
08 OK
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
03 Bad
04 Bad

Sun - Rise: 05:59, Set: 18:44, Transit: 12:22. Moon - Rise: 14:39, Set: 03:17. Civil Dark: 19:07 - 05:36. Nautical Dark: 19:33 - 05:10. Astro Dark: 20:00 - 04:42

Total Clouds (% Sky Obscured)

47
48
30
40
47
65
70
77
85
86
87
88
87
85
80
60
61
48
64
82
100
100
100
86

Low Clouds (% Sky Obscured)

0
0
0
5
9
14
15
16
15
39
68
36
21
31
18
14
11
9
8
7
6
4
2
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
14
28
42
40
39
37
39
38
40
39
39
39
36
34
31
31
30
29

High Clouds (% Sky Obscured)

39
45
30
30
27
36
37
38
47
52
57
59
53
47
38
16
18
7
33
65
100
100
100
82

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

5
5
3
6
6
4
13
16
20
33
38
44
43
47
50
43
36
17
26
28
22
26
26
17

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
4
4
4
4
3
5
6
6
6
5
4
5
6
6
6
5
5
4
4
5
5
5
4

Chance of Frost

Temperature (°C)

24
24
24
25
27
28
28
29
29
30
29
29
29
28
27
26
25
25
25
25
25
25
24
24

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
85
84
78
70
66
66
62
62
62
62
63
64
70
77
83
83
84
86
87
87
87
87
87

Pressure (mb)

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

Ozone (du)

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

Monday 27

Waxing Gibbous 87%

15:31

03:51

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
03 Bad
04 Bad

Sun - Rise: 05:58, Set: 18:45, Transit: 12:21. Moon - Rise: 15:31, Set: 03:51. Civil Dark: 19:07 - 05:36. Nautical Dark: 19:34 - 05:09. Astro Dark: 20:01 - 04:41

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
4
9
14
14
30
26
55
52
23
16
14
14
15
16
17
19
19
21
17
15
11

Medium Clouds (% Sky Obscured)

29
27
25
21
16
10
21
31
41
40
34
31
25
20
14
20
24
34
34
35
35
36
37
40

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
5
2
4
4
5
6
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Ice pellet
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
Light Rain

Precipitation Probability (%)

21
18
7
32
46
55
77
94
95
95
95
95
95
95
95
95
95
86
78
68
47
54
57
56

Precipitation Amount (mm)

0
0
0
0
0
0
0.5
0.9
1.4
1.7
1.9
2.2
1.3
0.9
0.8
1.2
0.8
0.5
0.4
0.3
0
0.2
0.3
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

87
85
83
78
74
71
70
69
72
70
75
76
77
78
82
81
80
82
82
82
83
83
83
83

Pressure (mb)

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

Ozone (du)

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

Tuesday 28

Waxing Gibbous 93%

16:21

04:24

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
03 Bad
04 Bad

Sun - Rise: 05:58, Set: 18:45, Transit: 12:21. Moon - Rise: 16:21, Set: 04:24. Civil Dark: 19:08 - 05:35. Nautical Dark: 19:34 - 05:08. Astro Dark: 20:01 - 04:40

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
98
96
95
96
98
100
96
94
92
93
92
88

Low Clouds (% Sky Obscured)

8
4
1
6
13
19
24
28
32
28
26
21
28
34
41
41
40
40
30
21
14
13
15
18

Medium Clouds (% Sky Obscured)

48
55
62
71
72
74
71
65
58
56
53
50
55
59
64
65
66
67
61
53
47
49
48
48

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
82
63
49
63
82
100
93
87
82
87
92
88

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

49
34
5
20
30
39
59
75
89
95
95
95
95
95
95
95
95
91
89
81
67
61
55
47

Precipitation Amount (mm)

0.3
0
0
0
0
0
0.2
0.5
0.8
0.7
1.1
1.9
1.7
1.7
1.7
1.2
0.8
0.5
0.6
0.5
0.3
0.2
0
0

Wind Speed/Direction (mph)

3
3
3
4
4
6
8
8
9
10
10
9
8
7
6
6
5
4
4
3
3
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
80
79
78
75
72
69
73
74
77
78
79
81
81
83
83
84
84
86
84
84
84
84
84

Pressure (mb)

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

Ozone (du)

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

Wednesday 29

Waxing Gibbous 98%

17:11

04:59

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

Sun - Rise: 05:57, Set: 18:45, Transit: 12:21. Moon - Rise: 17:11, Set: 04:59. Civil Dark: 19:08 - 05:34. Nautical Dark: 19:35 - 05:08. Astro Dark: 20:02 - 04:40

Total Clouds (% Sky Obscured)

91
94
96
92
89
86
83
79
74
82
90
100
100
100
100
97
92
88
83
81
77

Low Clouds (% Sky Obscured)

14
12
12
12
12
13
16
18
21
20
17
14
24
36
49
51
53
55
46
37
31

Medium Clouds (% Sky Obscured)

58
65
71
67
61
57
56
55
54
57
59
62
50
38
26
26
30
34
36
39
40

High Clouds (% Sky Obscured)

91
94
96
92
89
86
67
42
16
44
72
100
100
99
98
74
49
22
17
14
11

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

64
70
73
67
54
35
57
71
83
95
95
95
95
95
95
95
80
48
44
41
37

Precipitation Amount (mm)

0.3
0.4
0.6
0.4
0.2
0
0.3
0.5
0.8
1.1
1.7
2.5
2.1
1.7
1.4
1
0.5
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

85
83
83
82
78
76
73
75
76
76
78
81
83
84
86
88
87
85
85
87
87

Pressure (mb)

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

Ozone (du)

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

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

Generated: 23/04/26 05:41:44. Forecast: 23/04/26 to 29/04/26. Timezone: UTC-4.00