Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 8

Waning Crescent 14%

02:09

17:11

14 Bad
15 Bad
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
06 OK
07 OK
08 OK
09 Bad
10 Bad
11 OK
12 Bad
13 OK

Sun - Rise: 06:15, Set: 20:11, Transit: 13:13. Moon - Rise: 02:09, Set: 17:11. Civil Dark: 20:40 - 05:46. Nautical Dark: 21:16 - 05:11. Astro Dark: 21:54 - 04:33

Total Clouds (% Sky Obscured)

60
81
86
72
74
95
65
45
44
39
55
100
100
99
72
70
43
43
44
58
56
47
40
26

Low Clouds (% Sky Obscured)

56
61
24
34
5
28
41
29
0
0
0
0
0
0
0
0
0
0
0
21
21
26
29
26

Medium Clouds (% Sky Obscured)

34
34
24
19
3
6
0
0
0
0
0
0
0
0
0
0
3
16
8
4
4
2
0
0

High Clouds (% Sky Obscured)

60
62
86
37
74
95
65
35
44
39
55
100
100
99
71
70
43
43
44
53
42
18
18
1

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
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

6
34
83
46
25
14
12
8
13
1
4
2
1
0
0
0
0
0
0
0
0
0
0
1

Precipitation Amount (mm)

0
0
0.4
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
8
6
11
5
6
7
6
6
4
4
4
5
4
4
4
4
5
7
8
8
7
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

19
18
18
16
19
26
24
23
24
23
23
22
23
23
23
22
22
21
22
21
21
20
20
19

Relative Humidity (%)

44
43
42
46
53
83
81
82
88
87
88
88
91
91
91
89
88
84
80
70
65
59
52
46

Pressure (mb)

1016
1015
1015
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017

Ozone (du)

307
307
307
309
309
308
307
306
306
307
308
308
309
309
310
309
309
310
311
310
311
314
315
315

Sunday 9

Waning Crescent 6%

03:22

18:12

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

Sun - Rise: 06:16, Set: 20:10, Transit: 13:12. Moon - Rise: 03:22, Set: 18:12. Civil Dark: 20:39 - 05:47. Nautical Dark: 21:14 - 05:12. Astro Dark: 21:52 - 04:34

Total Clouds (% Sky Obscured)

17
15
22
34
20
30
32
33
34
42
45
47
52
38
31
3
11
26
32
23
18
40
40
58

Low Clouds (% Sky Obscured)

17
15
22
25
14
0
0
0
27
26
20
28
12
0
10
0
0
0
0
0
0
0
0
9

Medium Clouds (% Sky Obscured)

0
0
6
17
11
15
16
19
14
19
24
27
35
31
23
0
0
0
0
0
1
39
24
23

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
0
0
1
1
1
1
0
2
7
21
32
23
16
30
16
31

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
4
9
0
0
2

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

34
34
34
35
36
36
34
31
30
29
30
29
28
28
27
27
26
25
26
29
31
32
33
35

Dew Point (°C)

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

Relative Humidity (%)

40
37
35
36
41
50
51
49
51
55
58
58
57
57
57
56
55
58
59
52
48
48
44
43

Pressure (mb)

1016
1016
1016
1016
1015
1015
1015
1015
1016
1016
1016
1016
1016
1016
1016
1015
1016
1016
1017
1017
1017
1017
1016
1015

Ozone (du)

316
316
314
314
313
312
312
312
313
313
313
311
312
312
311
311
310
309
310
310
310
309
309
308

Monday 10

Waning Crescent 2%

04:40

19:02

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: 06:17, Set: 20:09, Transit: 13:12. Moon - Rise: 04:40, Set: 19:02. Civil Dark: 20:37 - 05:48. Nautical Dark: 21:13 - 05:13. Astro Dark: 21:51 - 04:35

Total Clouds (% Sky Obscured)

55
53
44
63
64
61
78
71
70
65
56
59
75
94
76
75
89
90
100
100
92
84
63
68

Low Clouds (% Sky Obscured)

36
6
6
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
15
30
46
56
63
68

Medium Clouds (% Sky Obscured)

31
45
41
15
22
11
4
0
0
0
0
0
0
0
0
3
36
39
66
82
92
59
54
51

High Clouds (% Sky Obscured)

2
2
0
60
64
61
78
71
63
65
56
57
65
92
66
70
86
57
43
41
34
74
44
50

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
Very Light Rain
Light Rain

Precipitation Probability (%)

9
9
12
45
16
15
2
2
1
2
8
2
0
2
15
0
1
1
24
38
41
63
71
80

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
0.3
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

34
35
35
35
32
30
29
28
27
26
26
25
25
24
24
24
23
23
25
25
26
26
26
26

Feels Like (°C)

35
37
37
37
36
36
33
30
29
27
28
27
26
26
25
25
25
26
27
27
26
26
26
27

Dew Point (°C)

20
21
21
21
18
20
19
18
18
18
18
18
19
19
19
20
20
20
21
20
19
17
15
13

Relative Humidity (%)

43
45
44
43
43
52
56
57
58
61
63
65
69
71
73
79
80
81
77
73
65
57
51
45

Pressure (mb)

1015
1014
1014
1013
1013
1013
1013
1014
1015
1014
1015
1015
1015
1014
1014
1014
1014
1014
1015
1015
1015
1015
1014
1014

Ozone (du)

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

Tuesday 11

Waning Crescent 0%

05:58

19:41

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: 06:18, Set: 20:07, Transit: 13:12. Moon - Rise: 05:58, Set: 19:41. Civil Dark: 20:36 - 05:49. Nautical Dark: 21:11 - 05:14. Astro Dark: 21:49 - 04:37

Total Clouds (% Sky Obscured)

84
100
100
92
57
70
84
94
100
100
100
100
100
100
100
70
82
97
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

74
71
68
56
44
32
35
38
40
35
32
31
27
25
23
31
37
43
46
49
53
62
71
85

Medium Clouds (% Sky Obscured)

37
20
6
4
2
0
63
63
65
56
73
77
79
76
25
24
34
82
92
96
100
72
48
40

High Clouds (% Sky Obscured)

53
48
62
91
32
49
82
92
100
100
100
100
100
100
100
61
76
71
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
1
2
3
9
3
2
9
9
9
9
9
9
3
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

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

Precipitation Probability (%)

78
73
66
54
45
95
95
95
69
95
95
91
1
0
0
4
28
54
64
71
77
95
95
95

Precipitation Amount (mm)

0.4
0.3
0.2
0
0
3.3
6.2
1.5
0.6
1.1
1.5
1.2
0
0
0
0
0
0.4
0.3
0
0
1.1
2.4
4.1

Wind Speed/Direction (mph)

9
8
6
5
4
5
18
7
4
5
9
10
6
4
5
4
4
4
4
5
7
4
3
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

12
11
15
17
17
16
22
22
22
22
22
22
21
21
21
21
21
21
21
21
21
21
19
18

Relative Humidity (%)

41
38
50
55
53
54
83
92
91
94
96
96
95
95
94
95
95
94
89
88
89
87
77
69

Pressure (mb)

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

Ozone (du)

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

Wednesday 12

New Moon 1%

07:13

20:14

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

Sun - Rise: 06:19, Set: 20:06, Transit: 13:12. Moon - Rise: 07:13, Set: 20:14. Civil Dark: 20:35 - 05:50. Nautical Dark: 21:10 - 05:15. Astro Dark: 21:47 - 04:38

Total Clouds (% Sky Obscured)

94
87
81
73
73
69
72
46
59
73
86
100
42
37
30
26
26
26
36
44
53
48
42
37

Low Clouds (% Sky Obscured)

81
78
75
67
60
53
51
46
46
46
40
37
17
9
3
12
21
26
36
38
43
38
36
33

Medium Clouds (% Sky Obscured)

24
12
1
4
7
11
7
4
2
3
29
55
42
37
30
26
11
1
1
0
0
0
0
0

High Clouds (% Sky Obscured)

73
28
1
0
2
10
20
3
10
37
68
100
31
23
14
9
5
1
5
8
12
13
8
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
7
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

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

Precipitation Probability (%)

95
95
95
72
43
5
5
6
17
41
67
32
38
30
2
8
8
0
0
0
0
3
2
1

Precipitation Amount (mm)

1.8
1.3
0.6
0.8
0.3
0
0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
70
76
71
70
74
79
85
85
85
89
92
96
96
96
96
92
89
84
77
71
65
60
56

Pressure (mb)

1008
1008
1008
1008
1009
1009
1009
1009
1010
1011
1011
1011
1010
1010
1010
1010
1011
1011
1011
1012
1012
1012
1012
1011

Ozone (du)

312
314
315
312
312
310
310
308
308
308
307
305
307
307
307
308
308
308
309
309
309
308
307
307

Thursday 13

Waxing Crescent 1%

08:25

20:41

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: 06:20, Set: 20:05, Transit: 13:12. Moon - Rise: 08:25, Set: 20:41. Civil Dark: 20:33 - 05:51. Nautical Dark: 21:08 - 05:17. Astro Dark: 21:45 - 04:40

Total Clouds (% Sky Obscured)

52
64
78
73
74
71
81
91
100
100
100
100
98
96
94
90
86
78
72
64
61
61
66
70

Low Clouds (% Sky Obscured)

22
11
0
2
2
1
2
3
4
8
16
23
30
32
34
32
32
33
42
51
59
61
66
70

Medium Clouds (% Sky Obscured)

0
0
0
12
25
36
43
51
59
66
75
84
71
55
42
34
31
32
32
41
47
51
55
51

High Clouds (% Sky Obscured)

29
56
77
73
66
58
72
86
100
100
100
100
98
95
93
90
86
78
72
64
61
51
46
46

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

Precipitation Probability (%)

0
0
0
22
28
36
64
83
95
86
65
17
22
21
11
29
35
35
32
28
21
30
34
35

Precipitation Amount (mm)

0
0
0
0
0
0
0.2
0.4
0.8
0.6
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

31
35
34
33
34
35
36
28
28
29
29
29
28
26
26
25
25
25
25
23
23
23
23
23

Dew Point (°C)

20
19
19
18
20
22
24
25
25
25
24
24
23
23
22
21
21
20
19
18
16
14
14
13

Relative Humidity (%)

52
50
48
45
55
68
83
88
92
95
95
95
94
94
91
91
88
84
83
70
60
49
46
42

Pressure (mb)

1011
1011
1010
1010
1010
1010
1010
1011
1011
1012
1012
1012
1012
1012
1013
1013
1014
1014
1015
1015
1015
1015
1015
1015

Ozone (du)

306
306
306
306
306
306
305
305
304
303
304
304
305
306
308
309
310
311
312
313
313
313
313
313

Friday 14

Waxing Crescent 6%

09:33

21:05

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

Sun - Rise: 06:21, Set: 20:03, Transit: 13:11. Moon - Rise: 09:33, Set: 21:05. Civil Dark: 20:32 - 05:52. Nautical Dark: 21:07 - 05:18. Astro Dark: 21:44 - 04:41

Total Clouds (% Sky Obscured)

80
80
80
61
36
11
32
46
65
53
37
28
33
41
46
54
67
75

Low Clouds (% Sky Obscured)

70
62
54
37
20
3
2
1
0
0
0
0
10
20
29
27
25
21

Medium Clouds (% Sky Obscured)

31
16
0
0
0
0
0
0
0
0
0
1
1
2
4
2
2
1

High Clouds (% Sky Obscured)

50
50
60
49
30
9
32
46
65
48
33
20
19
18
18
33
50
65

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

Precipitation Probability (%)

54
67
77
64
45
14
14
9
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0.3
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

38
38
38
38
44
50
58
59
59
60
65
70
75
75
78
79
75
72

Pressure (mb)

1015
1015
1014
1014
1015
1015
1015
1016
1016
1017
1017
1017
1018
1018
1018
1018
1019
1019

Ozone (du)

313
315
318
320
322
325
327
326
326
326
326
325
325
326
327
327
328
328

Forecast for Marriottsville, Howard, United States of America (39.35,-76.90)

Generated: 08/08/26 14:10:51. Forecast: 08/08/26 to 14/08/26. Timezone: UTC-4.00