Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 4

Waning Gibbous 58%

23:08

12:21

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: 06:14, 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)

85
86
91
68
97
98
100
100
100
100
100
100
100
100
100
96
99
100
99
95
91
93
94
85

Low Clouds (% Sky Obscured)

11
5
8
30
74
81
42
53
73
52
55
74
67
57
66
56
73
75
61
57
74
78
84
83

Medium Clouds (% Sky Obscured)

0
0
0
3
20
22
77
86
89
87
88
89
100
100
96
89
95
100
97
88
72
71
76
33

High Clouds (% Sky Obscured)

85
86
65
42
97
98
100
100
100
100
100
100
100
100
100
46
17
5
3
4
6
10
1
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
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
Light Rain
Light Rain
None
None
Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
1
3
5
10
11
18
27
35
44
41
70
70
37
17
51
43
31
18
22
14
30

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.5
0.6
0
0
0.6
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
6
6
7
7
8
7
7
6
6
6
6
3
4
4
4
3
3
3
2
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
55
51
48
45
44
44
51
56
59
75
90
95
94
94
97
98
97
98
98
100
98
97
97

Pressure (mb)

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

Ozone (du)

309
307
306
305
304
304
303
302
302
302
301
301
302
302
301
300
300
298
297
297
297
298
297
298

Wednesday 5

Third Quarter 46%

23:41

13:32

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 OK
04 OK
05 OK
06 OK
07 OK
08 Bad

Sun - Rise: 06:15, Set: 20:13, Transit: 13:14. Moon - Rise: 23:41, Set: 13:32. Civil Dark: 20:42 - 05:46. Nautical Dark: 21:18 - 05:11. Astro Dark: 21:56 - 04:33

Total Clouds (% Sky Obscured)

87
91
81
89
97
96
86
88
76
61
67
64
46
44
46
43
48
69
34
41
40
36
35
41

Low Clouds (% Sky Obscured)

80
69
52
63
57
55
31
39
41
14
14
34
15
33
43
40
37
50
23
41
40
36
35
41

Medium Clouds (% Sky Obscured)

29
31
52
58
71
49
54
54
54
33
29
48
38
33
30
26
25
13
24
20
2
5
2
8

High Clouds (% Sky Obscured)

2
2
3
23
60
75
46
50
40
32
42
9
4
7
9
3
12
57
0
4
0
0
0
0

ISS Passover

Visibility (miles)

4
5
3
4
4
9
3
7
4
4
3
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
Very Light Rain
Very Light Rain
Very Light Rain
None
None
Very Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

55
64
66
67
69
55
55
54
43
51
37
21
29
8
10
16
12
7
12
1
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

29
30
30
31
32
32
33
33
35
35
36
33
32
32
32
31
30
30
28
29
28
28
29
29

Dew Point (°C)

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

Relative Humidity (%)

88
90
88
88
86
88
87
83
87
86
87
91
94
92
92
94
95
97
97
97
98
97
97
92

Pressure (mb)

1019
1019
1019
1019
1019
1019
1018
1018
1018
1018
1018
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1020
1020

Ozone (du)

299
300
300
300
300
297
297
299
300
300
299
300
303
304
304
305
305
301
301
302
303
304
304
303

Thursday 6

Waning Crescent 34%

00:21

14:45

09 Bad
10 OK
11 OK
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 OK
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: 06:16, Set: 20:12, Transit: 13:14. Moon - Rise: 00:21, Set: 14:45. Civil Dark: 20:41 - 05:47. Nautical Dark: 21:16 - 05:12. Astro Dark: 21:54 - 04:35

Total Clouds (% Sky Obscured)

52
40
33
38
46
58
65
57
54
35
35
8
66
100
46
54
45
48
46
44
47
55
52
47

Low Clouds (% Sky Obscured)

50
40
33
34
35
35
42
36
28
19
4
2
7
10
26
0
16
22
28
35
41
47
52
47

Medium Clouds (% Sky Obscured)

21
2
3
13
17
14
9
0
0
0
0
0
0
45
0
0
0
1
1
2
1
1
0
0

High Clouds (% Sky Obscured)

0
10
0
6
4
1
35
30
25
25
25
2
35
40
40
46
45
48
46
43
42
38
32
22

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

15
7
4
4
2
4
8
7
5
3
2
18
17
12
42
24
0
0
0
0
0
4
0
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

31
31
33
34
35
35
35
35
35
34
34
33
32
32
30
31
31
31
30
30
29
29
30
30

Dew Point (°C)

24
22
21
20
19
18
18
16
16
18
21
21
22
22
22
24
25
24
24
24
23
24
24
23

Relative Humidity (%)

86
71
59
50
44
40
37
34
34
40
51
58
65
72
71
86
92
91
94
94
94
95
92
87

Pressure (mb)

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

Ozone (du)

302
302
302
302
301
301
300
300
300
301
302
303
302
301
301
301
301
302
302
303
304
306
307
308

Friday 7

Waning Crescent 32%

01:11

15:59

09 Bad
10 OK
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: 06:17, Set: 20:11, Transit: 13:14. Moon - Rise: 01:11, Set: 15:59. Civil Dark: 20:40 - 05:48. Nautical Dark: 21:15 - 05:13. Astro Dark: 21:53 - 04:36

Total Clouds (% Sky Obscured)

47
42
59
67
56
77
74
74
67
63
38
70
83
99
99
95
100
100
100
100
89
73
67
74

Low Clouds (% Sky Obscured)

47
42
49
48
47
49
53
59
50
39
30
28
24
21
15
7
0
9
19
28
34
40
45
49

Medium Clouds (% Sky Obscured)

1
0
7
13
19
15
10
4
2
4
0
30
30
25
20
12
24
25
35
35
40
7
48
37

High Clouds (% Sky Obscured)

14
5
21
30
22
46
24
24
11
61
17
70
83
99
94
77
100
99
100
100
75
49
30
41

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
1
7
9
2
9
2
4
4
8
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
Light Rain
Light Rain
None
Light Rain
Very Light Rain
None
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None

Precipitation Probability (%)

3
2
8
10
9
9
8
6
12
18
73
95
52
85
48
34
60
61
40
41
17
5
1
14

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.6
2
0
0.7
0.2
0
0.6
0.6
0.2
0.2
0
0
0
0

Wind Speed/Direction (mph)

7
7
7
7
7
7
7
5
5
5
5
10
2
4
6
5
5
5
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

31
32
34
34
34
36
35
36
37
35
34
30
32
31
28
28
27
27
27
27
26
26
27
28

Dew Point (°C)

22
21
20
19
17
17
18
22
22
24
23
28
27
27
26
25
25
25
25
24
24
24
24
24

Relative Humidity (%)

77
65
54
47
40
37
39
54
52
61
62
92
95
95
97
95
97
98
98
98
98
98
97
92

Pressure (mb)

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

Ozone (du)

309
310
311
311
311
310
310
311
310
311
310
307
307
308
308
309
311
314
313
314
310
308
308
312

Saturday 8

Waning Crescent 23%

02:14

17:08

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: 06:18, Set: 20:10, Transit: 13:14. Moon - Rise: 02:14, Set: 17:08. Civil Dark: 20:39 - 05:49. Nautical Dark: 21:14 - 05:15. Astro Dark: 21:51 - 04:37

Total Clouds (% Sky Obscured)

86
100
100
98
100
100
100
93
91
94
100
97
95
93
70
50
46
48
51
51
57
54
55
56

Low Clouds (% Sky Obscured)

52
56
60
65
69
55
39
25
16
8
0
5
15
30
35
19
10
5
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

44
41
18
51
65
65
72
24
16
27
65
65
64
54
36
30
20
24
25
32
26
18
8
6

High Clouds (% Sky Obscured)

73
100
100
92
100
100
100
93
91
91
83
86
87
84
59
34
13
18
20
20
38
50
55
56

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
3
5
7
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
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

22
28
26
24
23
31
32
27
30
31
61
68
58
39
38
35
24
21
14
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
4
4
4
5
4
3
5
7
5
5
6
5
4
3
3
3
2
2
2
2
2
2
2

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

29
30
31
31
32
32
33
33
33
32
31
29
29
29
29
29
28
28
27
26
27
27
26
27

Dew Point (°C)

23
22
19
17
19
21
24
24
19
18
20
23
24
24
25
25
24
24
23
23
23
22
22
23

Relative Humidity (%)

83
69
54
45
51
56
65
65
46
47
58
74
80
84
91
92
91
92
92
92
94
91
88
88

Pressure (mb)

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

Ozone (du)

313
312
311
311
310
309
309
308
306
305
306
305
305
305
305
306
306
307
307
307
307
309
310
311

Sunday 9

Waning Crescent 14%

03:26

18:09

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

Sun - Rise: 06:19, Set: 20:09, Transit: 13:13. Moon - Rise: 03:26, Set: 18:09. Civil Dark: 20:37 - 05:50. Nautical Dark: 21:12 - 05:16. Astro Dark: 21:49 - 04:39

Total Clouds (% Sky Obscured)

41
30
28
25
32
28
21
16
14
14
12
11
10
9
12
14
20
26
26
23
26
32
43
54

Low Clouds (% Sky Obscured)

0
0
10
21
31
28
21
16
14
8
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

3
0
9
18
29
21
11
0
5
9
12
10
9
8
8
9
9
8
7
5
14
27
38
36

High Clouds (% Sky Obscured)

41
30
28
19
5
3
2
0
0
0
0
0
1
1
10
14
20
24
19
15
19
23
30
45

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
1
1
0
1
1
1
0
0
0
1
2
3
6
6
2
6
6
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)

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

Chance of Frost

Temperature (°C)

27
29
31
32
33
34
34
35
35
34
32
31
30
28
27
27
26
26
26
25
25
25
26
26

Feels Like (°C)

30
30
31
32
33
34
42
40
39
40
42
42
33
33
33
33
32
31
29
29
29
28
27
27

Dew Point (°C)

22
21
20
20
19
18
18
18
18
19
21
23
23
23
23
23
22
22
22
22
21
21
21
21

Relative Humidity (%)

74
62
53
48
42
39
37
36
35
42
50
61
67
72
78
77
77
76
78
79
82
78
75
71

Pressure (mb)

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

Ozone (du)

312
313
314
314
314
314
313
312
311
311
311
311
310
309
308
308
308
308
308
308
307
307
307
307

Monday 10

Waning Crescent 6%

04:43

19:00

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: 06:20, Set: 20:08, Transit: 13:13. Moon - Rise: 04:43, Set: 19:00. Civil Dark: 20:36 - 05:51. Nautical Dark: 21:11 - 05:17. Astro Dark: 21:48 - 04:40

Total Clouds (% Sky Obscured)

66
78
62
49
35
34
33
33
28
26
22
43
62
78
70
59
49

Low Clouds (% Sky Obscured)

0
0
9
16
22
17
12
10
28
26
22
43
27
4
2
1
0

Medium Clouds (% Sky Obscured)

41
40
24
14
5
6
6
6
18
26
22
29
24
23
18
10
3

High Clouds (% Sky Obscured)

60
74
55
36
20
14
10
4
2
1
0
12
44
75
70
59
45

ISS Passover

Visibility (miles)

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

Precipitation Type

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
5
10
12
22
25
16
29
35
37

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

28
31
33
34
35
37
37
37
37
36
34
32
30
29
27
27
26

Feels Like (°C)

30
31
31
32
33
35
42
41
40
41
43
44
32
33
33
32
31

Dew Point (°C)

20
19
19
18
18
18
18
17
17
19
22
24
22
21
19
20
21

Relative Humidity (%)

60
50
42
38
35
32
32
30
29
38
48
61
61
61
60
67
75

Pressure (mb)

1017
1017
1017
1016
1016
1015
1014
1013
1012
1012
1012
1012
1013
1013
1013
1013
1013

Ozone (du)

307
307
307
308
308
308
309
309
310
309
308
307
307
307
307
308
309

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

Generated: 04/08/26 08:52:25. Forecast: 04/08/26 to 10/08/26. Timezone: UTC-4.00