Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 11%

04:14

16:33

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
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:12, Set: 18:23, Transit: 12:18. Moon - Rise: 04:14, Set: 16:33. Civil Dark: 18:45 - 05:51. Nautical Dark: 19:10 - 05:25. Astro Dark: 19:36 - 05:00

Total Clouds (% Sky Obscured)

98
100
100
100
100
100
100
100
100
100
100
100
100
100
98
63
65
55
85
81
76
78
67
68

Low Clouds (% Sky Obscured)

20
20
22
21
17
24
21
16
11
13
12
11
1
0
3
6
3
2
1
0
1
0
1
0

Medium Clouds (% Sky Obscured)

48
55
61
59
58
58
54
51
46
46
28
29
32
30
28
26
25
19
16
19
32
16
5
1

High Clouds (% Sky Obscured)

98
99
100
100
100
100
100
100
100
100
100
100
100
100
96
41
45
41
75
69
52
65
61
65

ISS Passover

Visibility (miles)

5
5
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
0
0
0

Precipitation Type

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

Precipitation Probability (%)

0
0
0
39
24
23
21
20
26
41
45
52
54
47
29
44
54
30
35
34
26
26
49
67

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

30
30
29
29
29
30
30
31
31
31
31
30
30
30
29
30
30
30
30
31
31
30
30
31

Dew Point (°C)

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

Relative Humidity (%)

77
77
76
78
78
77
76
74
74
73
77
78
80
82
79
81
82
82
82
82
83
84
84
84

Pressure (mb)

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

Ozone (du)

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

Friday 19

Waning Crescent 5%

05:06

17:10

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
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:13, Set: 18:22, Transit: 12:17. Moon - Rise: 05:06, Set: 17:10. Civil Dark: 18:44 - 05:51. Nautical Dark: 19:09 - 05:26. Astro Dark: 19:35 - 05:00

Total Clouds (% Sky Obscured)

79
90
96
100
100
98
100
94
100
100
96
90
91
87
87
87
86
82
71
76
81
81
81
83

Low Clouds (% Sky Obscured)

3
15
15
28
35
46
56
62
49
19
21
16
12
15
8
0
0
0
0
0
0
6
11
0

Medium Clouds (% Sky Obscured)

1
7
1
2
33
39
48
31
39
25
2
1
1
1
2
1
1
1
0
0
0
0
0
0

High Clouds (% Sky Obscured)

76
86
96
100
100
97
100
89
100
100
94
84
83
73
77
77
76
71
66
71
71
71
72
74

ISS Passover

Visibility (miles)

9
6
9
9
9
9
9
8
6
3
7
9
7
6
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
2
0

Precipitation Type

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

Precipitation Probability (%)

62
46
23
26
38
65
83
95
95
87
88
77
73
69
64
68
57
59
34
32
28
20
8
2

Precipitation Amount (mm)

0.3
0
0
0
0
0.2
0.5
2
2.2
0.6
0.6
0.7
0.5
0.4
0.2
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

32
32
33
33
32
32
32
32
33
33
32
32
32
32
32
32
32
32
32
32
32
32
32
32

Dew Point (°C)

24
23
23
23
22
23
23
23
23
23
23
23
24
24
24
24
24
24
24
24
23
23
23
24

Relative Humidity (%)

81
76
68
64
62
63
64
65
71
71
72
75
78
81
82
83
84
86
86
86
84
84
84
84

Pressure (mb)

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

Ozone (du)

267
268
269
270
271
271
269
268
270
272
272
271
272
274
273
274
274
272
272
272
271
269
269
270

Saturday 20

Waning Crescent 1%

05:57

17:45

08 Bad
09 Bad
10 Bad
11 Bad
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 OK
05 OK
06 OK
07 Good

Sun - Rise: 06:13, Set: 18:21, Transit: 12:17. Moon - Rise: 05:57, Set: 17:45. Civil Dark: 18:43 - 05:51. Nautical Dark: 19:08 - 05:26. Astro Dark: 19:34 - 05:00

Total Clouds (% Sky Obscured)

86
71
58
57
27
65
98
100
100
100
100
100
100
100
100
97
86
83
66
47
29
20
9
4

Low Clouds (% Sky Obscured)

2
10
5
18
20
32
53
54
55
40
24
21
12
9
4
4
0
0
3
5
8
5
3
0

Medium Clouds (% Sky Obscured)

0
0
0
30
0
21
42
32
32
2
5
4
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

76
48
41
13
6
22
88
97
100
100
100
100
100
100
100
96
85
83
58
34
10
5
2
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
8
4
2
3
9
9
9
9
7
7
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
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

2
2
6
9
12
27
95
95
95
95
87
73
45
43
66
61
62
36
15
14
11
21
21
9

Precipitation Amount (mm)

0
0
0
0
0
0
1.8
2.6
2.2
1.8
1.2
0.9
0.2
0.4
0.8
0.4
0.4
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
3
4
8
10
11
7
2
1
2
3
3
4
4
4
4
3
3
3
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

33
33
34
35
34
33
33
33
33
33
32
31
31
31
30
30
31
31
32
31
31
31
31
32

Dew Point (°C)

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

Relative Humidity (%)

82
76
67
65
66
66
66
69
73
72
75
77
78
81
82
82
82
83
83
83
84
84
86
86

Pressure (mb)

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

Ozone (du)

271
269
270
270
270
269
268
266
265
266
266
266
265
265
266
266
265
265
265
265
265
266
266
265

Sunday 21

New Moon 0%

06:46

18:17

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
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:13, Set: 18:20, Transit: 12:17. Moon - Rise: 06:46, Set: 18:17. Civil Dark: 18:42 - 05:51. Nautical Dark: 19:07 - 05:26. Astro Dark: 19:33 - 05:01

Total Clouds (% Sky Obscured)

22
43
54
69
83
93
96
98
100
89
77
63
61
56
54
49
44
52
61
65
73
62
56
56

Low Clouds (% Sky Obscured)

3
6
8
11
22
31
47
43
48
10
9
17
12
10
11
11
10
10
12
11
13
13
15
15

Medium Clouds (% Sky Obscured)

10
21
31
21
10
0
0
0
0
11
21
31
21
11
0
0
0
0
10
21
31
21
10
0

High Clouds (% Sky Obscured)

10
20
19
42
64
86
89
96
100
78
57
35
30
30
30
25
20
29
29
28
29
20
13
17

ISS Passover

Visibility (miles)

9
9
9
9
9
9
6
6
2
5
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

15
15
13
18
21
32
68
77
77
74
76
82
66
49
33
29
23
20
23
24
22
25
24
22

Precipitation Amount (mm)

0
0
0
0
0
0
0.5
0.6
0.6
0.5
0.7
1
0.5
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
5
7
9
10
11
9
8
7
6
6
5
5
5
6
5
5
5
5
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

33
33
34
34
33
32
33
33
32
33
32
31
30
31
31
30
30
30
30
30
30
30
31
32

Dew Point (°C)

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

Relative Humidity (%)

82
76
69
66
66
65
65
66
71
73
76
78
80
81
81
82
83
82
83
83
83
86
86
84

Pressure (mb)

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

Ozone (du)

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

Monday 22

Waxing Crescent 1%

07:35

18:50

08 Bad
09 Bad
10 OK
11 Bad
12 Bad
13 OK
14 OK
15 OK
16 Good
17 OK
18 OK
19 OK
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: 06:13, Set: 18:20, Transit: 12:16. Moon - Rise: 07:35, Set: 18:50. Civil Dark: 18:41 - 05:51. Nautical Dark: 19:07 - 05:26. Astro Dark: 19:32 - 05:01

Total Clouds (% Sky Obscured)

47
50
45
41
41
31
23
13
2
14
26
34
42
50
63
56
56
52
59
64
69
60
53
44

Low Clouds (% Sky Obscured)

12
13
19
27
36
1
11
7
2
5
10
15
15
14
14
17
17
20
20
23
23
22
18
17

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
3
6
11
15
20
24
25
26
28
19
9
0

High Clouds (% Sky Obscured)

8
13
13
15
22
28
18
10
2
5
8
10
24
35
43
36
29
10
11
13
12
6
4
4

ISS Passover

Visibility (miles)

9
9
9
9
6
6
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 (%)

18
11
4
15
27
8
11
12
7
8
9
6
19
22
22
27
33
38
39
39
38
37
34
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)

5
6
7
9
12
13
14
15
15
15
14
13
12
11
11
10
10
10
9
9
9
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

32
33
33
34
33
32
33
32
32
32
32
31
31
31
31
31
31
31
31
31
31
31
30
31

Dew Point (°C)

24
24
23
23
24
25
23
23
23
23
23
23
23
23
24
24
24
24
24
24
24
24
23
24

Relative Humidity (%)

81
75
70
68
70
74
66
64
65
68
71
73
75
77
78
81
81
82
82
82
81
81
78
77

Pressure (mb)

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

Ozone (du)

267
268
268
269
268
267
267
267
267
267
268
269
269
269
270
270
270
270
269
269
268
268
268
269

Tuesday 23

Waxing Crescent 4%

No Rise

19:23

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
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:13, Set: 18:19, Transit: 12:16. Moon - Rise: No Rise, Set: 19:23. Civil Dark: 18:40 - 05:52. Nautical Dark: 19:06 - 05:26. Astro Dark: 19:31 - 05:01

Total Clouds (% Sky Obscured)

40
32
24
27
29
35
48
60
69
72
77
84
88
91
95
86
77
67
78
89
100
93
87
80

Low Clouds (% Sky Obscured)

17
18
17
15
13
11
10
11
11
12
10
10
12
14
16
18
20
23
22
23
24
18
14
14

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
1
1
2
1
1
0
0
0
0
7
14
22
20
17
15
22
27
32

High Clouds (% Sky Obscured)

3
3
3
2
1
5
28
48
62
66
75
83
87
90
94
70
41
10
40
70
100
75
50
27

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

32
31
30
27
23
15
20
23
19
28
33
37
38
37
35
41
48
54
66
76
83
77
69
62

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.5
0.7
0.5
0.4
0.3

Wind Speed/Direction (mph)

8
10
12
15
15
15
15
15
15
14
13
12
11
11
10
10
10
11
11
10
10
9
9
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

31
33
33
33
34
34
33
33
32
32
31
31
32
30
31
31
31
31
30
30
30
30
30
30

Dew Point (°C)

23
23
24
24
24
24
24
24
24
24
24
24
24
24
25
25
25
25
24
24
24
24
24
24

Relative Humidity (%)

75
73
71
69
69
69
68
70
71
74
75
77
78
78
81
81
82
82
82
82
82
83
82
80

Pressure (mb)

1015
1015
1015
1015
1015
1014
1013
1013
1013
1013
1014
1014
1015
1015
1015
1015
1015
1014
1014
1014
1013
1013
1014
1014

Ozone (du)

270
271
272
273
272
272
271
271
272
273
273
273
273
273
273
274
273
273
272
273
273
274
275
276

Wednesday 24

Waxing Crescent 8%

08:24

19:58

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: 06:14, Set: 18:18, Transit: 12:16. Moon - Rise: 08:24, Set: 19:58. Civil Dark: 18:40 - 05:52. Nautical Dark: 19:05 - 05:26. Astro Dark: 19:30 - 05:01

Total Clouds (% Sky Obscured)

75
70
66
78
89
100
100
100
100
100
100
100
93
84
75
82
90
100

Low Clouds (% Sky Obscured)

16
18
21
29
34
40
44
50
57
45
32
19
16
14
11
11
11
12

Medium Clouds (% Sky Obscured)

31
28
28
21
14
6
13
20
26
18
10
1
4
7
11
12
12
18

High Clouds (% Sky Obscured)

25
25
24
48
74
99
100
100
100
100
100
100
87
74
53
65
83
100

ISS Passover

Visibility (miles)

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

Precipitation Type

Very Light Rain
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
Very Light Rain
None
None
None

Precipitation Probability (%)

59
54
47
66
80
92
90
95
95
95
95
95
91
83
69
61
49
24

Precipitation Amount (mm)

0.2
0
0
0.3
0.6
0.8
0.7
0.8
1.1
0.9
0.7
0.6
0.6
0.5
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

29
32
32
32
33
33
34
34
33
32
32
32
32
29
29
30
29
29

Dew Point (°C)

23
23
23
22
23
23
23
23
23
24
23
24
23
24
23
23
23
23

Relative Humidity (%)

77
73
69
64
65
64
64
66
68
72
73
76
77
80
81
82
83
83

Pressure (mb)

1015
1015
1015
1015
1014
1014
1013
1013
1013
1013
1014
1014
1015
1015
1015
1015
1015
1014

Ozone (du)

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

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

Generated: 18/09/25 08:20:39. Forecast: 18/09/25 to 24/09/25. Timezone: UTC-4.00