Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 1

Waxing Gibbous 98%

17:00

06:04

09 OK
10 OK
11 OK
12 OK
13 OK
14 OK
15 OK
16 OK
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
08 Bad

Sun - Rise: 06:41, Set: 18:30, Transit: 12:36. Moon - Rise: 17:00, Set: 06:04. Civil Dark: 18:52 - 06:20. Nautical Dark: 19:17 - 05:54. Astro Dark: 19:43 - 05:29

Total Clouds (% Sky Obscured)

29
23
38
32
29
32
24
29
31
23
25
39
57
46
43
39
42
36
53
55
48
43
43
37

Low Clouds (% Sky Obscured)

14
10
11
11
14
13
11
14
15
10
11
13
16
18
18
18
21
20
26
27
28
31
34
22

Medium Clouds (% Sky Obscured)

0
0
27
7
0
0
0
0
0
0
0
10
26
0
0
0
0
0
21
24
1
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
2
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

0
0
0
10
0
0
4
1
1
6
21
18
26
38
33
36
38
48
59
70
61
46
54
48

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
0.3
0
0.3
0

Wind Speed/Direction (mph)

14
15
16
17
17
16
16
16
15
14
13
13
12
12
13
13
13
12
11
12
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

20
20
19
18
18
18
18
19
20
21
21
21
21
21
21
21
21
21
21
21
21
20
21
21

Relative Humidity (%)

69
65
62
56
54
54
56
61
67
72
77
78
79
80
80
80
79
80
82
82
82
80
82
78

Pressure (mb)

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

Ozone (du)

256
257
257
257
257
256
255
255
255
256
255
254
253
253
253
253
251
250
249
249
249
250
251
251

Monday 2

Waxing Gibbous 100%

17:57

06:42

09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 OK
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

Sun - Rise: 06:41, Set: 18:30, Transit: 12:36. Moon - Rise: 17:57, Set: 06:42. Civil Dark: 18:52 - 06:19. Nautical Dark: 19:18 - 05:53. Astro Dark: 19:43 - 05:28

Total Clouds (% Sky Obscured)

48
34
24
41
42
41
28
30
27
35
32
44
32
56
53
53
41
45
44
41
33
52
38
34

Low Clouds (% Sky Obscured)

30
25
12
14
15
15
13
14
14
10
10
16
14
14
17
20
14
26
21
15
11
30
21
11

Medium Clouds (% Sky Obscured)

29
0
6
26
19
17
0
0
0
21
17
21
13
27
28
1
22
0
0
0
20
0
0
6

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)

7
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

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

Precipitation Probability (%)

53
51
44
29
18
16
14
26
26
20
28
34
28
28
29
32
33
37
30
20
42
52
49
43

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
69
67
66
65
63
63
65
68
71
75
77
78
78
78
79
79
82
79
78
77
80
80
74

Pressure (mb)

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

Ozone (du)

251
252
252
251
251
250
249
249
249
249
250
251
251
251
252
252
252
251
251
251
252
253
253
253

Tuesday 3

Full Moon 99%

18:51

07:17

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
08 Bad

Sun - Rise: 06:40, Set: 18:31, Transit: 12:36. Moon - Rise: 18:51, Set: 07:17. Civil Dark: 18:53 - 06:18. Nautical Dark: 19:18 - 05:53. Astro Dark: 19:43 - 05:27

Total Clouds (% Sky Obscured)

42
37
33
39
29
33
36
33
40
30
39
35
35
31
53
41
50
62
67
74
70
67
63
60

Low Clouds (% Sky Obscured)

27
13
12
16
10
11
18
13
21
14
15
25
26
19
25
26
27
42
49
60
58
51
46
32

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
1
1
36
0
0
0
35
22
25
27
28
30
30
33
32
37

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

Precipitation Probability (%)

18
14
28
27
31
34
22
30
27
22
31
42
44
39
43
60
51
53
65
62
62
64
70
73

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

15
16
17
18
18
17
17
17
17
16
15
15
15
14
14
14
13
14
14
14
13
14
14
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
65
62
63
61
62
66
69
70
75
76
77
78
77
77
78
79
80
82
82
80
82
80
79

Pressure (mb)

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

Ozone (du)

254
256
257
257
257
257
257
256
256
257
257
258
259
260
260
260
258
258
257
256
257
258
259
259

Wednesday 4

Waning Gibbous 97%

19:44

07:51

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
08 Bad

Sun - Rise: 06:39, Set: 18:31, Transit: 12:35. Moon - Rise: 19:44, Set: 07:51. Civil Dark: 18:53 - 06:17. Nautical Dark: 19:18 - 05:52. Astro Dark: 19:43 - 05:27

Total Clouds (% Sky Obscured)

60
63
61
61
57
51
46
35
35
41
45
44
47
45
53
58
56
52
74
77
55
69
66
67

Low Clouds (% Sky Obscured)

28
31
19
17
15
15
25
16
15
25
28
27
33
31
40
42
37
22
69
67
16
48
46
45

Medium Clouds (% Sky Obscured)

40
42
46
49
53
35
18
0
7
12
19
21
23
25
26
27
27
31
34
37
35
31
28
27

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
9
13
14

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

75
74
63
55
46
41
34
27
37
41
44
46
48
52
48
36
32
37
39
39
44
45
45
37

Precipitation Amount (mm)

0.6
0.6
0.4
0.3
0.2
0
0
0
0
0
0
0.2
0.2
0.4
0.3
0
0
0
0
0
0.2
0.2
0.2
0

Wind Speed/Direction (mph)

15
16
17
17
17
17
17
17
16
16
16
15
15
15
15
15
15
15
15
17
16
17
18
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

79
77
68
62
63
63
65
65
67
73
76
78
79
80
80
80
76
74
79
77
77
78
79
77

Pressure (mb)

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

Ozone (du)

260
260
261
261
261
261
261
262
262
262
262
262
261
260
260
260
260
260
260
261
261
260
261
262

Thursday 5

Waning Gibbous 92%

20:35

08:26

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
08 Bad

Sun - Rise: 06:38, Set: 18:31, Transit: 12:35. Moon - Rise: 20:35, Set: 08:26. Civil Dark: 18:53 - 06:17. Nautical Dark: 19:18 - 05:51. Astro Dark: 19:44 - 05:26

Total Clouds (% Sky Obscured)

57
55
51
47
51
65
62
70
60
47
58
67
76
83
82
80
78
74
71
67
68
68
68
68

Low Clouds (% Sky Obscured)

19
15
15
14
39
29
31
24
20
27
26
26
25
24
26
26
27
29
32
34
35
35
36
33

Medium Clouds (% Sky Obscured)

24
21
15
11
7
11
13
16
11
5
0
9
17
29
30
32
33
32
32
34
25
16
7
11

High Clouds (% Sky Obscured)

14
13
9
4
0
26
24
36
25
11
28
36
47
60
57
45
29
21
17
11
7
4
3
5

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

27
25
25
28
37
37
32
33
37
39
35
48
46
45
45
48
56
56
60
68
63
61
63
58

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

20
19
18
18
18
19
18
18
17
17
17
17
17
17
17
17
17
17
18
18
19
19
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
64
62
63
65
70
71
71
72
75
76
77
78
78
79
79
79
80
80
80
80
79
78
77

Pressure (mb)

1019
1019
1019
1019
1018
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1018
1019

Ozone (du)

263
265
265
264
264
263
262
262
261
261
261
261
262
262
263
263
263
262
262
262
262
261
261
261

Friday 6

Waning Gibbous 85%

21:26

09:02

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
08 Bad

Sun - Rise: 06:38, Set: 18:32, Transit: 12:35. Moon - Rise: 21:26, Set: 09:02. Civil Dark: 18:53 - 06:16. Nautical Dark: 19:19 - 05:51. Astro Dark: 19:44 - 05:25

Total Clouds (% Sky Obscured)

69
71
74
79
77
69
59
48
50
51
56
60
59
62
65
71
72
67
60
51
53
55
55
51

Low Clouds (% Sky Obscured)

32
29
25
21
16
14
15
14
14
13
13
13
12
12
15
18
24
22
24
25
24
25
28
25

Medium Clouds (% Sky Obscured)

15
19
13
6
0
0
0
0
6
12
18
21
24
27
33
37
43
30
15
0
11
22
31
31

High Clouds (% Sky Obscured)

11
16
40
63
77
64
49
32
38
47
52
54
51
53
48
28
6
4
2
0
0
0
0
0

ISS Passover

Visibility (miles)

8
8
9
9
9
9
8
8
7
8
8
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

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

Precipitation Probability (%)

53
53
46
38
27
27
27
26
30
34
38
37
38
42
44
50
60
58
59
61
58
59
64
59

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

19
19
19
19
19
19
19
19
19
19
18
18
18
18
18
18
18
18
18
18
19
19
19
19

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
72
70
69
69
68
69
70
72
75
76
77
78
79
79
79
79
80
79
79
79
78
77
74

Pressure (mb)

1019
1019
1020
1019
1018
1018
1017
1017
1017
1017
1017
1018
1018
1018
1019
1018
1018
1017
1017
1017
1016
1017
1018
1018

Ozone (du)

261
261
261
261
261
260
260
260
259
260
261
262
262
262
262
262
263
263
262
261
261
261
262
262

Saturday 7

Waning Gibbous 78%

22:18

09:02

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: 06:37, Set: 18:32, Transit: 12:35. Moon - Rise: 22:18, Set: 09:02. Civil Dark: 18:54 - 06:15. Nautical Dark: 19:19 - 05:50. Astro Dark: 19:44 - 05:24

Total Clouds (% Sky Obscured)

49
48
45
42
36
42
47
51
51
52
53
53
56
51
53
58
54

Low Clouds (% Sky Obscured)

22
22
22
19
16
16
15
14
12
13
16
16
19
19
22
22
25

Medium Clouds (% Sky Obscured)

30
31
21
12
2
1
1
0
0
0
0
11
21
32
31
29
26

High Clouds (% Sky Obscured)

0
0
1
2
4
23
42
51
51
52
50
34
17
0
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

57
59
53
51
54
46
38
30
32
33
34
37
39
44
41
40
41

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
71
69
69
68
68
69
69
70
72
75
77
77
77
78
78
79

Pressure (mb)

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

Ozone (du)

263
263
263
263
263
262
262
261
261
261
261
261
261
262
263
264
265

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

Generated: 01/03/26 09:44:43. Forecast: 01/03/26 to 07/03/26. Timezone: UTC-4.00