Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 29

Full Moon 100%

20:39

05:55

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

Sun - Rise: 06:08, Set: 20:21, Transit: 13:14. Moon - Rise: 20:39, Set: 05:55. Civil Dark: 20:50 - 05:40. Nautical Dark: 21:27 - 05:04. Astro Dark: 22:06 - 04:24

Total Clouds (% Sky Obscured)

27
21
19
34
34
50
39
53
43
51
35
45
80
36
23
27
21
24
55
31
27
32
38
28

Low Clouds (% Sky Obscured)

0
0
18
34
34
50
38
47
43
38
25
1
10
0
0
0
21
24
25
22
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
8
22
28
21
25
16
16
19
18
21
8
16
17
23
16
25
25
27
25

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
47
13
5
7
14
0

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

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)

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

Chance of Frost

Temperature (°C)

20
20
22
24
25
26
27
28
29
30
30
30
29
28
27
26
25
24
23
23
22
22
22
21

Feels Like (°C)

23
23
24
26
26
27
28
28
29
30
30
30
30
27
27
27
25
26
25
25
25
24
23
23

Dew Point (°C)

19
19
20
19
17
16
16
14
13
13
13
13
15
18
18
18
18
19
19
19
19
19
18
18

Relative Humidity (%)

93
93
88
72
61
54
48
41
37
35
34
34
42
53
59
62
64
71
75
79
81
81
79
79

Pressure (mb)

1004
1004
1005
1005
1005
1006
1005
1005
1005
1005
1005
1004
1005
1006
1007
1007
1008
1009
1009
1009
1009
1009
1009
1009

Ozone (du)

337
339
338
338
339
341
341
340
338
337
340
343
343
342
341
342
342
339
338
335
334
336
333
332

Thursday 30

Waning Gibbous 97%

21:06

06:58

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

Sun - Rise: 06:09, Set: 20:20, Transit: 13:14. Moon - Rise: 21:06, Set: 06:58. Civil Dark: 20:49 - 05:41. Nautical Dark: 21:25 - 05:05. Astro Dark: 22:05 - 04:25

Total Clouds (% Sky Obscured)

33
17
61
56
54
57
55
53
60
52
54
54
41
27
20
35
51
37
49
40
35
31
21
8

Low Clouds (% Sky Obscured)

0
0
36
40
46
57
55
53
41
23
32
3
0
0
0
0
10
8
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

31
13
43
31
35
36
29
25
34
28
32
40
32
27
20
35
51
37
49
37
32
29
21
7

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

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)

8
8
9
11
12
12
11
10
10
10
9
9
8
7
6
5
5
4
5
5
4
4
3
3

Chance of Frost

Temperature (°C)

21
21
22
24
24
25
26
27
28
28
29
28
28
28
27
25
24
24
23
23
23
22
22
22

Feels Like (°C)

23
23
24
24
24
25
26
27
28
28
29
29
29
29
29
26
26
25
25
24
25
24
25
25

Dew Point (°C)

17
17
16
14
12
11
11
9
9
9
10
9
11
15
17
16
16
15
15
16
17
18
19
19

Relative Humidity (%)

79
77
67
54
44
41
37
33
31
29
30
29
35
44
55
55
58
59
60
64
72
76
80
83

Pressure (mb)

1009
1010
1010
1011
1011
1011
1011
1011
1010
1010
1010
1010
1010
1011
1012
1012
1013
1013
1014
1014
1014
1014
1014
1014

Ozone (du)

331
329
328
328
327
326
325
325
326
327
329
329
329
329
329
329
329
330
335
338
335
336
334
333

Friday 31

Waning Gibbous 93%

21:30

08:02

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

Sun - Rise: 06:10, Set: 20:19, Transit: 13:14. Moon - Rise: 21:30, Set: 08:02. Civil Dark: 20:48 - 05:42. Nautical Dark: 21:24 - 05:06. Astro Dark: 22:03 - 04:27

Total Clouds (% Sky Obscured)

7
3
1
17
22
33
40
28
26
20
41
31
34
62
79
78
84
44
92
82
81
80
89
86

Low Clouds (% Sky Obscured)

0
0
0
17
22
33
24
17
26
20
15
9
7
14
20
0
0
0
22
0
7
15
22
15

Medium Clouds (% Sky Obscured)

6
2
1
2
0
0
16
8
9
5
9
10
14
11
16
23
36
40
46
37
41
37
37
40

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
2
3
2
21
8
11
57
70
65
59
12
55
50
40
34
40
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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
4
5
6
6
6
5
5
5
4
4
3
3
2
3
3
4
4
4
3
3
2
2

Chance of Frost

Temperature (°C)

21
22
23
25
26
28
29
30
31
31
32
32
31
31
29
27
26
25
24
24
24
23
23
22

Feels Like (°C)

24
24
26
28
29
30
31
32
33
34
34
33
33
34
30
28
27
26
27
25
25
25
25
24

Dew Point (°C)

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

Relative Humidity (%)

85
85
73
62
53
44
39
36
33
31
31
31
33
49
57
67
77
79
80
82
85
88
91
92

Pressure (mb)

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

Ozone (du)

331
332
331
330
331
329
325
322
319
317
315
312
311
310
309
307
307
306
305
305
303
301
301
302

Saturday 1

Waning Gibbous 87%

21:53

09:05

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
05 Bad

Sun - Rise: 06:11, Set: 20:18, Transit: 13:14. Moon - Rise: 21:53, Set: 09:05. Civil Dark: 20:47 - 05:43. Nautical Dark: 21:23 - 05:07. Astro Dark: 22:02 - 04:28

Total Clouds (% Sky Obscured)

80
78
82
84
88
92
97
97
99
100
100
100
99
98
99
99
100
99
99
98
99
99
100
100

Low Clouds (% Sky Obscured)

7
0
0
0
0
12
23
35
23
16
15
14
13
22
21
25
27
22
21
20
26
33
39
46

Medium Clouds (% Sky Obscured)

45
43
51
69
62
65
69
70
72
71
64
81
76
72
75
77
77
75
73
74
78
82
84
83

High Clouds (% Sky Obscured)

30
30
45
59
74
81
91
82
94
85
100
98
97
97
98
99
100
98
93
92
94
97
100
98

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
6
4
2
3
6
9
9
8
6
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
Very Light Rain
None
Light Rain
Light Rain
Light Rain
None
None
None
Very Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
1
6
37
77
80
95
89
83
57
43
46
58
40
9
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
1.2
0.7
0.4
0
0
0
0.3
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
23
24
26
27
29
30
31
32
32
31
31
30
29
28
27
26
25
25
24
24
24
24
23

Feels Like (°C)

24
25
26
27
29
30
31
32
32
32
32
32
31
29
30
30
29
28
28
27
26
27
26
26

Dew Point (°C)

21
21
21
20
20
20
19
18
17
16
19
19
20
26
27
27
26
25
25
24
24
24
23
23

Relative Humidity (%)

89
88
80
72
64
60
52
46
41
38
47
48
54
86
95
98
98
100
100
98
98
100
98
98

Pressure (mb)

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

Ozone (du)

303
304
303
302
302
301
300
299
298
298
298
299
298
296
296
296
296
296
295
295
295
295
296
297

Sunday 2

Waning Gibbous 78%

22:16

10:09

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
05 Bad

Sun - Rise: 06:12, Set: 20:17, Transit: 13:14. Moon - Rise: 22:16, Set: 10:09. Civil Dark: 20:46 - 05:44. Nautical Dark: 21:22 - 05:08. Astro Dark: 22:00 - 04:29

Total Clouds (% Sky Obscured)

100
99
99
98
97
95
93
93
94
96
97
98
94
98
95
93
91
92
93
94
93
93
93
93

Low Clouds (% Sky Obscured)

52
58
54
49
45
42
40
37
39
43
45
39
32
29
22
16
10
19
25
32
38
45
52
53

Medium Clouds (% Sky Obscured)

81
80
79
79
78
79
56
20
35
21
19
16
22
63
55
47
45
60
68
78
59
41
27
30

High Clouds (% Sky Obscured)

75
94
91
88
85
81
77
75
80
84
89
93
89
84
84
83
78
78
77
77
71
67
67
65

ISS Passover

Visibility (miles)

9
9
7
9
9
9
9
9
9
9
9
9
9
4
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
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

5
15
10
11
12
23
29
18
20
22
31
40
59
39
42
34
4
6
6
4
3
1
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.2
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
23
24
24
25
27
28
29
30
30
30
30
30
29
28
27
26
25
25
24
24
23
23
23

Feels Like (°C)

26
26
26
27
28
28
29
29
29
30
31
32
31
32
31
31
30
30
29
28
27
26
26
25

Dew Point (°C)

23
23
23
24
24
22
21
20
21
23
25
26
24
26
26
26
25
25
25
24
23
23
23
22

Relative Humidity (%)

98
98
95
95
90
77
65
56
60
66
75
76
70
83
92
94
95
98
98
98
98
98
98
98

Pressure (mb)

1013
1013
1013
1013
1013
1013
1013
1013
1013
1012
1012
1012
1012
1012
1012
1012
1012
1013
1012
1012
1012
1012
1012
1013

Ozone (du)

299
301
301
304
303
302
302
302
302
302
302
302
303
302
303
304
305
306
306
306
306
307
309
311

Monday 3

Waning Gibbous 69%

22:41

11:13

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
05 Bad

Sun - Rise: 06:13, Set: 20:16, Transit: 13:14. Moon - Rise: 22:41, Set: 11:13. Civil Dark: 20:45 - 05:45. Nautical Dark: 21:20 - 05:09. Astro Dark: 21:59 - 04:31

Total Clouds (% Sky Obscured)

96
96
92
92
92
94
97
99
99
99
100
100
100
100
96
91
86
81
76
65
50
45
45
65

Low Clouds (% Sky Obscured)

55
56
51
45
40
52
65
77
76
75
73
74
76
74
77
80
78
64
67
65
50
45
45
64

Medium Clouds (% Sky Obscured)

32
30
32
34
38
52
59
70
78
85
88
72
52
32
37
41
48
49
50
52
50
45
45
40

High Clouds (% Sky Obscured)

69
60
48
49
50
58
67
75
81
81
83
87
94
100
93
86
75
58
34
30
30
25
14
30

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

Precipitation Probability (%)

0
0
2
3
1
9
12
14
27
38
48
63
73
80
84
83
70
78
89
95
86
72
57
49

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.2
0.3
0.4
0.5
0.5
0.2
0.4
0.6
0.9
0.6
0.4
0.2
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
23
24
25
26
27
28
29
29
29
28
27
27
26
26
25
25
24
25
25
24
24
24
23

Feels Like (°C)

26
25
25
28
28
28
28
28
28
31
30
27
29
31
32
26
28
29
30
29
29
30
29
28

Dew Point (°C)

23
23
23
23
22
22
21
20
19
18
16
15
17
19
21
22
22
23
23
23
23
24
23
23

Relative Humidity (%)

97
97
95
86
78
70
64
59
54
52
49
47
55
64
76
80
86
89
91
92
94
95
95
97

Pressure (mb)

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

Ozone (du)

311
312
313
315
316
318
318
318
317
317
317
316
317
318
319
321
322
324
323
323
322
321
319
317

Tuesday 4

Waning Gibbous 66%

23:08

12:21

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 OK
01 Good

Sun - Rise: 06:14, Set: 20:15, Transit: 13:14. Moon - Rise: 23:08, Set: 12:21. Civil Dark: 20:44 - 05:45. Nautical Dark: 21:19 - 05:10. Astro Dark: 21:57 - 04:32

Total Clouds (% Sky Obscured)

75
75
80
84
89
94
90
85
84
83
78
81
81
84
71
64
63
51
34
14

Low Clouds (% Sky Obscured)

72
75
74
71
68
57
48
42
42
41
37
22
29
34
47
58
63
50
31
12

Medium Clouds (% Sky Obscured)

25
18
23
21
25
36
38
30
23
20
14
16
18
20
20
13
0
0
0
0

High Clouds (% Sky Obscured)

53
70
72
69
61
61
60
55
55
50
52
65
75
75
47
15
4
2
1
0

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Probability (%)

40
25
24
21
13
33
42
47
48
43
27
23
18
8
9
7
0
6
4
1

Precipitation Amount (mm)

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
6
5
4
3
2
3
5
5
5
6
5
5
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

28
27
27
29
28
27
27
26
25
34
34
34
35
37
38
28
28
29
28
28

Dew Point (°C)

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

Relative Humidity (%)

89
82
75
66
57
49
46
42
39
39
39
40
46
55
65
67
69
72
74
78

Pressure (mb)

1016
1017
1017
1018
1018
1018
1018
1017
1017
1017
1017
1016
1016
1017
1017
1017
1018
1018
1018
1018

Ozone (du)

317
317
317
318
318
319
318
317
316
316
316
316
315
314
313
312
312
311
310
309

Forecast for Friendship Acres, Charles County, United States of America (38.44,-77.13)

Generated: 29/07/26 06:23:39. Forecast: 29/07/26 to 04/08/26. Timezone: UTC-4.00