Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 25

Waxing Gibbous 96%

18:41

04:47

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

Sun - Rise: 06:33, Set: 19:48, Transit: 13:10. Moon - Rise: 18:41, Set: 04:47. Civil Dark: 20:15 - 06:06. Nautical Dark: 20:48 - 05:33. Astro Dark: 21:22 - 04:59

Total Clouds (% Sky Obscured)

64
63
54
51
28
64
74
58
66
78
95
97
93
81
69
66
64
40
34
60
62
41
45
78

Low Clouds (% Sky Obscured)

3
5
6
34
16
35
35
21
37
49
48
22
25
22
16
21
19
4
0
0
0
0
0
9

Medium Clouds (% Sky Obscured)

21
22
27
22
11
25
41
35
31
35
41
49
43
34
38
30
30
26
26
16
17
28
23
22

High Clouds (% Sky Obscured)

38
42
39
0
0
0
2
2
48
40
78
82
87
72
63
65
59
14
10
50
52
16
24
55

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
53
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
6
6
3
2
3
3
3
2
1
2
3
2
2
1
1
1
1
2
3
5
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
12
11
11
14
18
16
16
17
16
15
15
17
18
18
18
18
18
18
17
16
15
14
14

Relative Humidity (%)

37
35
34
35
42
57
57
60
67
66
63
65
72
75
78
81
82
82
74
63
57
47
42
38

Pressure (mb)

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

Ozone (du)

313
312
313
312
309
309
309
308
307
306
306
306
305
305
304
305
306
306
306
305
305
305
305
306

Wednesday 26

Waxing Gibbous 99%

19:09

05:51

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

Sun - Rise: 06:34, Set: 19:46, Transit: 13:09. Moon - Rise: 19:09, Set: 05:51. Civil Dark: 20:14 - 06:07. Nautical Dark: 20:46 - 05:34. Astro Dark: 21:20 - 05:00

Total Clouds (% Sky Obscured)

94
83
85
85
90
50
44
48
61
61
77
64
99
98
71
92
80
86
82
72
82
48
58
99

Low Clouds (% Sky Obscured)

11
9
8
2
3
2
0
2
5
2
0
0
3
0
0
0
0
5
5
5
9
0
16
47

Medium Clouds (% Sky Obscured)

21
17
28
32
23
20
24
7
17
61
26
28
65
69
42
43
52
82
80
71
63
43
57
43

High Clouds (% Sky Obscured)

84
62
66
58
88
32
24
34
37
28
52
25
98
90
59
84
75
6
43
44
42
45
46
95

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
6
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
1
20
3
11
12
9
8
9
11
2
0
0
5
15

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)

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

Chance of Frost

Temperature (°C)

30
30
31
30
30
28
25
24
24
23
23
22
22
22
21
21
21
21
22
24
25
28
30
31

Feels Like (°C)

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

Dew Point (°C)

14
14
14
15
18
19
19
17
17
17
17
17
18
18
19
20
20
20
20
20
20
19
20
19

Relative Humidity (%)

36
35
35
38
48
59
69
62
67
70
67
73
79
81
85
91
92
94
87
78
70
58
54
48

Pressure (mb)

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

Ozone (du)

306
306
306
305
306
306
306
304
304
301
301
300
298
298
298
298
300
302
303
303
303
302
302
302

Thursday 27

Waxing Gibbous 100%

19:34

06:55

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:35, Set: 19:45, Transit: 13:09. Moon - Rise: 19:34, Set: 06:55. Civil Dark: 20:12 - 06:08. Nautical Dark: 20:45 - 05:35. Astro Dark: 21:19 - 05:01

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
88
98
100
100
99
100
99
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

60
61
67
66
55
64
56
26
23
29
25
23
26
24
17
32
43
38
72
78
64
60
61
51

Medium Clouds (% Sky Obscured)

11
14
10
6
13
71
35
6
5
70
30
32
32
37
57
100
79
100
93
86
80
86
89
58

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
78
95
100
100
96
100
96
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
5
4
9
9
9
9
9
9
9
9
9
9
2
3
2
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
None
None
None
None
None
None
None
None
Very Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
None
None
None
Very Light Rain

Precipitation Probability (%)

13
6
14
16
37
43
82
39
7
15
14
41
46
22
22
62
95
95
95
95
50
49
49
49

Precipitation Amount (mm)

0
0
0
0
0
0
0.6
0
0
0
0
0
0
0
0
0.3
1.2
2.5
1.3
1.1
0
0
0
0.2

Wind Speed/Direction (mph)

9
8
8
6
5
3
2
5
3
3
2
2
3
1
3
3
3
4
2
2
1
3
3
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

19
18
17
21
22
26
25
24
23
23
23
23
23
22
22
22
22
21
22
23
23
23
22
19

Relative Humidity (%)

46
42
42
56
63
91
92
95
95
95
97
97
97
97
97
97
96
96
98
98
98
91
82
66

Pressure (mb)

1015
1014
1013
1013
1013
1014
1014
1015
1015
1014
1015
1015
1015
1014
1014
1015
1015
1015
1016
1017
1017
1017
1017
1017

Ozone (du)

302
302
301
301
299
298
299
300
300
299
298
296
294
294
295
295
296
297
298
298
297
297
298
299

Friday 28

Full Moon 99%

19:58

08:00

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
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:36, Set: 19:43, Transit: 13:09. Moon - Rise: 19:58, Set: 08:00. Civil Dark: 20:10 - 06:08. Nautical Dark: 20:43 - 05:36. Astro Dark: 21:17 - 05:02

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)

52
52
54
52
51
51
60
51
43
54
61
56
41
42
38
38
37
33
40
45
40
45
49
55

Medium Clouds (% Sky Obscured)

64
59
60
50
37
28
32
20
16
14
8
0
9
19
26
26
25
23
24
24
22
15
7
0

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

Precipitation Probability (%)

51
49
46
57
66
58
78
95
95
95
95
87
77
60
28
28
26
24
28
31
33
34
35
33

Precipitation Amount (mm)

0.2
0
0.2
0.2
0.3
0
0.4
1
1.4
1.3
1.1
0.8
0.6
0.3
0
0
0
0
0
0
0.2
0
0
0

Wind Speed/Direction (mph)

2
2
2
2
2
2
2
2
1
2
1
2
2
2
2
3
3
3
3
4
4
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

18
17
16
16
18
20
20
20
20
20
20
21
21
21
21
21
20
19
19
18
17
18
17
16

Relative Humidity (%)

59
55
53
53
60
73
78
77
83
85
87
88
89
91
92
92
89
85
83
73
66
65
60
54

Pressure (mb)

1016
1016
1016
1016
1016
1017
1017
1017
1018
1018
1018
1018
1019
1019
1019
1019
1020
1020
1021
1021
1022
1022
1021
1021

Ozone (du)

299
299
298
299
301
302
302
303
303
303
302
302
303
304
305
305
305
306
306
307
308
308
308
308

Saturday 29

Waning Gibbous 95%

20:21

09:05

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
09 Bad
10 Bad
11 Bad
12 Bad
13 OK

Sun - Rise: 06:36, Set: 19:42, Transit: 13:08. Moon - Rise: 20:21, Set: 09:05. Civil Dark: 20:09 - 06:09. Nautical Dark: 20:41 - 05:37. Astro Dark: 21:15 - 05:03

Total Clouds (% Sky Obscured)

100
98
100
100
100
100
100
99
100
75
69
69
95
91
80
68
57
48
60
68
76
67
56
45

Low Clouds (% Sky Obscured)

61
63
62
59
48
51
47
42
31
32
28
23
29
38
49
56
57
48
57
54
51
42
36
29

Medium Clouds (% Sky Obscured)

5
11
15
13
13
10
7
5
2
2
3
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
95
100
100
100
100
100
99
100
53
26
0
75
75
60
34
18
2
13
25
37
35
31
28

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 (%)

30
26
13
18
24
13
12
7
0
3
4
4
16
23
28
25
21
14
13
9
0
2
2
1

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

28
28
28
28
28
27
26
26
24
24
26
27
27
27
27
27
27
27
27
29
29
29
30
31

Dew Point (°C)

15
15
15
17
18
20
21
21
20
20
21
21
22
22
22
22
22
22
22
22
22
21
20
19

Relative Humidity (%)

51
49
50
56
60
73
82
87
87
88
95
96
98
96
98
98
98
97
95
84
76
67
60
53

Pressure (mb)

1021
1020
1020
1020
1020
1020
1021
1021
1021
1021
1021
1022
1021
1022
1021
1021
1022
1022
1022
1022
1022
1022
1021
1020

Ozone (du)

308
308
307
306
307
306
307
307
308
308
309
308
307
305
304
302
301
300
299
298
297
296
295
294

Sunday 30

Waning Gibbous 89%

20:45

10:13

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 OK
04 Good
05 Good
06 OK
07 OK
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad

Sun - Rise: 06:37, Set: 19:40, Transit: 13:08. Moon - Rise: 20:45, Set: 10:13. Civil Dark: 20:07 - 06:10. Nautical Dark: 20:40 - 05:38. Astro Dark: 21:13 - 05:05

Total Clouds (% Sky Obscured)

61
76
92
93
94
94
88
82
76
68
70
68
50
27
8
16
25
39
51
61
71
73
74
78

Low Clouds (% Sky Obscured)

29
30
26
22
22
22
26
23
18
14
12
11
9
7
5
7
12
17
12
6
0
8
15
20

Medium Clouds (% Sky Obscured)

10
20
30
18
9
0
0
0
0
0
0
0
0
0
0
0
0
0
4
7
11
17
24
30

High Clouds (% Sky Obscured)

31
36
39
47
48
49
55
58
52
57
59
66
50
26
1
5
9
18
36
52
71
71
69
67

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 (%)

2
2
1
1
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)

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

Chance of Frost

Temperature (°C)

31
31
30
29
28
27
26
25
25
24
24
24
24
23
23
23
23
24
24
26
28
30
32
33

Feels Like (°C)

31
37
37
35
34
33
32
28
28
29
28
28
28
27
27
27
27
27
26
29
29
29
30
32

Dew Point (°C)

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

Relative Humidity (%)

46
53
62
71
75
79
83
82
80
79
80
82
83
84
85
87
83
82
78
66
55
47
41
36

Pressure (mb)

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

Ozone (du)

293
293
292
292
292
291
291
291
291
291
290
289
288
287
286
285
285
284
283
283
283
283
282
281

Monday 31

Waning Gibbous 81%

21:12

11:23

14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 OK
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad

Sun - Rise: 06:38, Set: 19:39, Transit: 13:08. Moon - Rise: 21:12, Set: 11:23. Civil Dark: 20:06 - 06:11. Nautical Dark: 20:38 - 05:39. Astro Dark: 21:12 - 05:06

Total Clouds (% Sky Obscured)

77
78
81
77
69
59
50
45
39
47
52
52
46
48
45
49
53
65

Low Clouds (% Sky Obscured)

25
33
40
35
29
24
18
10
0
0
0
0
0
0
0
0
1
1

Medium Clouds (% Sky Obscured)

31
32
33
24
15
7
5
4
3
2
1
0
0
0
0
11
22
33

High Clouds (% Sky Obscured)

77
78
81
69
43
17
24
31
36
47
52
52
46
48
45
49
53
52

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

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
5
9
11
11
10
4
14
21
24
30
33
34

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

5
4
3
2
2
2
2
2
2
3
3
3
4
3
3
2
1
1

Chance of Frost

Temperature (°C)

34
34
33
33
31
30
29
28
27
26
26
25
24
24
23
23
24
24

Feels Like (°C)

32
39
38
37
36
34
32
31
31
32
31
31
30
26
26
26
26
26

Dew Point (°C)

16
18
20
21
21
20
20
20
20
20
20
20
20
20
20
20
21
21

Relative Humidity (%)

33
38
44
51
53
55
58
61
65
69
70
72
74
77
80
83
83
83

Pressure (mb)

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

Ozone (du)

280
280
279
279
280
280
281
281
281
281
280
279
279
279
279
279
280
281

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

Generated: 25/08/26 14:57:37. Forecast: 25/08/26 to 31/08/26. Timezone: UTC-4.00