Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 0%

06:28

17:29

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 OK
13 OK
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 OK
20 OK
21 Bad
22 Bad

Sun - Rise: 06:49, Set: 17:51, Transit: 12:20. Moon - Rise: 06:28, Set: 17:29. Civil Dark: 18:14 - 06:25. Nautical Dark: 18:42 - 05:58. Astro Dark: 19:08 - 05:31

Total Clouds (% Sky Obscured)

62
58
53
67
60
58
50
48
66
73
61
62
42
40
44
67
68
55
72
71
47
46
47
60

Low Clouds (% Sky Obscured)

45
45
36
57
48
44
26
13
21
52
46
51
14
10
11
39
54
43
9
11
15
15
21
56

Medium 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
0
0

High Clouds (% Sky Obscured)

3
3
4
2
2
3
3
5
12
25
17
6
1
1
1
21
26
29
29
21
2
2
2
2

ISS Passover

Visibility (miles)

9
9
4
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
44
33
27
11
7
12
18
15
16
2
4
5
6
9
9
0
0
1
3
11
13

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
5
5
5
5
5
6
6
6
5
8
10
10
10
10
10
9
9
8
5
5
4
4
4

Chance of Frost

Temperature (°C)

23
23
23
23
23
23
23
22
22
23
26
27
27
27
28
27
27
26
25
23
23
22
22
22

Feels Like (°C)

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

Dew Point (°C)

22
21
21
21
22
21
21
21
20
21
22
23
22
21
21
21
22
22
21
20
19
19
19
19

Relative Humidity (%)

91
91
91
92
91
89
88
89
88
88
82
78
75
69
67
69
74
76
78
81
80
81
81
85

Pressure (mb)

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

Ozone (du)

254
253
252
252
253
254
255
256
256
255
254
254
253
251
250
250
248
247
246
247
247
247
248
248

Friday 19

New Moon 1%

07:21

18:23

23 Bad
00 Bad
01 Bad
02 OK
03 OK
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

Sun - Rise: 06:49, Set: 17:51, Transit: 12:20. Moon - Rise: 07:21, Set: 18:23. Civil Dark: 18:15 - 06:26. Nautical Dark: 18:42 - 05:58. Astro Dark: 19:09 - 05:31

Total Clouds (% Sky Obscured)

80
76
58
41
42
60
68
71
75
72
78
71
69
73
69
54
61
53
49
64
66
66
64
58

Low Clouds (% Sky Obscured)

80
76
16
13
13
55
68
69
75
72
76
71
48
43
39
40
24
14
17
60
59
55
46
24

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
8
0
0
0
0
27
26
20
3
27
22
8
5
0
0
0
1

High Clouds (% Sky Obscured)

4
1
11
2
2
2
1
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

15
12
7
7
9
12
13
20
22
27
36
48
44
48
49
45
38
33
22
31
34
35
38
41

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
23
24
23
22
21
22
22
22
24
26
26
26
26
26
26
26
26
25
23
23
23
23
22

Feels Like (°C)

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

Dew Point (°C)

20
21
21
20
19
19
20
20
21
22
23
22
22
22
22
22
22
22
22
21
21
21
21
21

Relative Humidity (%)

89
87
83
84
87
88
88
88
89
88
83
78
78
79
79
78
78
78
83
88
91
91
91
92

Pressure (mb)

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

Ozone (du)

247
246
246
247
248
248
247
247
245
245
245
245
247
246
245
244
244
244
243
243
243
242
242
242

Saturday 20

Waxing Crescent 3%

08:10

19:18

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

Sun - Rise: 06:50, Set: 17:52, Transit: 12:21. Moon - Rise: 08:10, Set: 19:18. Civil Dark: 18:15 - 06:26. Nautical Dark: 18:43 - 05:59. Astro Dark: 19:09 - 05:32

Total Clouds (% Sky Obscured)

56
58
59
63
60
62
62
63
55
70
61
72
59
60
52
48
46
40
43
57
59
65
67
69

Low Clouds (% Sky Obscured)

23
34
37
27
48
43
58
54
30
29
23
32
15
22
38
30
25
21
17
25
22
37
48
56

Medium Clouds (% Sky Obscured)

0
7
1
28
4
4
1
1
0
33
1
41
36
27
0
0
0
0
0
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
0
0

ISS Passover

Visibility (miles)

4
2
2
2
2
9
9
3
4
7
3
8
9
9
3
2
3
7
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
0
0
0
0
0
0

Precipitation Type

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

Precipitation Probability (%)

43
46
51
48
49
33
36
46
44
54
48
43
34
33
31
47
43
25
20
12
19
20
25
28

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
4
4
4
4
4
5
6
5
4
7
9
10
9
10
10
9
7
7
6
6
5
5
5

Chance of Frost

Temperature (°C)

22
22
22
22
22
22
22
22
22
24
25
26
26
27
27
26
26
25
25
24
23
23
23
23

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
94
94
95
95
94
92
92
92
88
84
81
77
71
74
81
82
83
86
88
89
89
91
92

Pressure (mb)

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

Ozone (du)

242
241
240
240
241
240
239
238
239
239
240
240
241
241
240
239
238
237
236
237
236
236
237
238

Sunday 21

Waxing Crescent 7%

08:56

20:13

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

Sun - Rise: 06:50, Set: 17:52, Transit: 12:21. Moon - Rise: 08:56, Set: 20:13. Civil Dark: 18:16 - 06:27. Nautical Dark: 18:43 - 05:59. Astro Dark: 19:10 - 05:32

Total Clouds (% Sky Obscured)

68
67
65
66
63
61
65
67
71
72
69
68
70
75
77
70
57
48
48
54
51
58
64
67

Low Clouds (% Sky Obscured)

57
54
40
53
49
52
59
64
71
72
33
30
32
50
47
46
39
34
11
12
13
20
24
27

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
10
20
28
32
33
35
23
12
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

8
9
3
9
7
9
9
7
7
8
7
8
5
3
7
5
8
8
8
9
9
9
7
8

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

Precipitation Probability (%)

31
31
31
37
36
29
32
35
35
35
39
41
52
52
55
52
44
41
37
34
24
36
34
39

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
23
23
22
22
22
22
22
23
24
25
26
27
27
27
26
26
26
25
23
22
22
22
22

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

92
92
92
92
92
92
94
94
91
89
84
81
77
76
78
79
81
81
85
91
92
94
94
92

Pressure (mb)

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

Ozone (du)

238
237
237
236
236
236
236
237
237
238
239
240
241
241
242
242
240
240
240
240
240
240
241
241

Monday 22

Waxing Crescent 13%

09:39

21:08

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

Sun - Rise: 06:51, Set: 17:53, Transit: 12:22. Moon - Rise: 09:39, Set: 21:08. Civil Dark: 18:16 - 06:27. Nautical Dark: 18:44 - 06:00. Astro Dark: 19:11 - 05:33

Total Clouds (% Sky Obscured)

70
71
72
72
73
71
71
72
75
74
73
75
78
82
84
71
63
55
54
54
54
56
59
62

Low Clouds (% Sky Obscured)

50
59
64
58
56
46
43
46
58
47
18
38
46
66
73
61
53
43
42
40
40
42
44
48

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
2
5
7
8
9
10
17
25
33
19
10
0
0
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
0
0

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

43
43
43
47
49
44
53
53
45
59
60
56
60
61
59
49
51
53
53
53
51
54
53
46

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

22
22
22
22
22
22
22
22
22
23
25
25
26
26
26
26
25
25
24
23
22
21
22
22

Feels Like (°C)

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

Dew Point (°C)

21
21
21
21
21
21
20
20
20
22
22
22
22
22
22
22
21
21
21
21
21
20
20
20

Relative Humidity (%)

94
94
92
92
91
91
91
92
92
89
82
79
79
78
78
77
79
82
83
85
89
92
92
92

Pressure (mb)

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

Ozone (du)

242
242
242
242
243
243
243
244
244
246
246
247
247
247
248
248
247
246
246
245
245
245
245
246

Tuesday 23

Waxing Crescent 21%

10:17

22:01

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

Sun - Rise: 06:51, Set: 17:53, Transit: 12:22. Moon - Rise: 10:17, Set: 22:01. Civil Dark: 18:17 - 06:28. Nautical Dark: 18:44 - 06:00. Astro Dark: 19:11 - 05:33

Total Clouds (% Sky Obscured)

60
58
57
58
59
59
66
76
83
84
84
85
86
88
89
79
70
60
64
67
70
69
69
68

Low Clouds (% Sky Obscured)

50
49
49
48
46
45
46
48
49
53
57
60
60
59
59
57
54
53
49
44
40
44
48
51

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
10
20
32
35
39
42
39
40
39
26
15
5
8
15
19
19
17
13

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
3
5
5
11
17
23
17
10
4
3
3
6
12
18
24

ISS Passover

Visibility (miles)

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

None
None
None
None
None
None
None
None
None
Very 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

Precipitation Probability (%)

48
46
40
45
47
46
53
58
60
68
73
76
75
76
77
73
67
59
55
50
44
46
47
46

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
5
5
5
5
4
4
4
4
4
5
6
7
7
7
7
6
6
5
5
4
4
4
4

Chance of Frost

Temperature (°C)

22
22
22
21
22
22
21
22
22
23
24
24
25
25
25
25
24
24
23
23
22
22
21
21

Feels Like (°C)

25
25
25
24
25
25
25
24
24
24
27
27
27
27
27
28
27
27
26
26
26
26
22
23

Dew Point (°C)

20
20
20
20
20
20
20
20
21
21
21
22
22
22
22
22
21
21
21
21
20
20
20
20

Relative Humidity (%)

92
92
91
92
92
92
92
91
91
89
87
84
82
80
80
80
83
84
85
88
89
91
92
91

Pressure (mb)

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

Ozone (du)

246
246
247
247
247
246
246
246
246
245
245
244
244
244
245
245
245
245
244
244
243
243
243
244

Wednesday 24

Waxing Crescent 30%

10:54

22:54

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
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad

Sun - Rise: 06:52, Set: 17:54, Transit: 12:23. Moon - Rise: 10:54, Set: 22:54. Civil Dark: 18:17 - 06:28. Nautical Dark: 18:45 - 06:01. Astro Dark: 19:12 - 05:34

Total Clouds (% Sky Obscured)

73
77
82
86
91
94
90
86
82
83
83
84
83
88
89
89
88
88
85
83
76

Low Clouds (% Sky Obscured)

56
59
63
61
58
56
49
42
37
42
46
50
63
76
88
76
63
50
49
47
45

Medium Clouds (% Sky Obscured)

17
21
25
41
58
74
63
50
36
32
28
26
36
42
52
39
26
14
9
5
1

High Clouds (% Sky Obscured)

24
24
24
25
27
31
33
34
32
39
43
43
30
20
10
13
20
32
26
21
16

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

45
44
40
46
48
46
55
61
64
70
72
72
66
60
54
51
48
44
47
49
49

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
5
5
5
5
5
5
4
4
4
4
5
6
6
6
6
6
6
6
5
5

Chance of Frost

Temperature (°C)

21
21
21
21
21
21
22
22
22
23
23
24
24
24
23
23
23
23
23
22
22

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

91
92
92
94
91
91
89
89
89
88
87
84
83
84
87
88
87
87
87
87
89

Pressure (mb)

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

Ozone (du)

244
244
244
244
244
244
245
245
246
246
247
247
248
248
248
248
248
248
248
249
249

Forecast for Santa Isidra I Extension, Fajardo Barrio-Pueblo, Puerto Rico (18.33,-65.65)

Generated: 18/12/25 23:31:16. Forecast: 18/12/25 to 24/12/25. Timezone: UTC-4.00