Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 17

Waxing Crescent 29%

12:50

22:18

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
14 Bad

Sun - Rise: 06:24, Set: 19:59, Transit: 13:11. Moon - Rise: 12:50, Set: 22:18. Civil Dark: 20:28 - 05:55. Nautical Dark: 21:02 - 05:21. Astro Dark: 21:38 - 04:45

Total Clouds (% Sky Obscured)

84
90
92
100
100
100
100
100
70
100
100
72
45
45
49
56
57
84
77
78
74
66
50
56

Low Clouds (% Sky Obscured)

51
46
45
13
5
2
0
15
29
33
21
22
28
42
49
41
42
43
39
61
63
64
50
56

Medium Clouds (% Sky Obscured)

1
21
22
23
71
18
22
24
28
37
35
44
45
41
45
54
44
25
20
24
18
2
0
0

High Clouds (% Sky Obscured)

63
80
90
99
99
100
100
100
70
100
100
72
45
40
2
2
2
48
45
14
0
1
0
1

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

4
6
22
31
32
26
17
21
8
14
34
62
67
78
53
47
31
10
22
37
26
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
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

54
50
57
58
78
84
84
84
87
87
88
89
91
91
92
92
94
88
80
72
66
59
52
49

Pressure (mb)

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

Ozone (du)

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

Tuesday 18

Waxing Crescent 39%

13:54

22:46

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

Sun - Rise: 06:24, Set: 19:58, Transit: 13:11. Moon - Rise: 13:54, Set: 22:46. Civil Dark: 20:26 - 05:56. Nautical Dark: 21:00 - 05:22. Astro Dark: 21:37 - 04:46

Total Clouds (% Sky Obscured)

51
32
32
22
27
46
44
58
36
5
5
4
30
22
2
0
1
0
12
2
2
2
3
0

Low Clouds (% Sky Obscured)

51
32
32
22
27
38
32
27
24
2
4
4
0
0
0
0
0
0
7
0
0
0
3
0

Medium Clouds (% Sky Obscured)

3
7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
1
0
0
0
3
17
30
10
1
0
0
25
18
1
0
1
0
0
2
2
2
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 (%)

1
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
7
7
6
5
3
3
3
3
4
4
4
5
4
4
3
3
3
4
4
5
6
6
6

Chance of Frost

Temperature (°C)

29
29
29
28
27
25
24
23
22
21
21
20
20
19
19
19
19
20
23
25
26
28
29
29

Feels Like (°C)

31
32
32
30
31
29
26
25
23
23
22
21
21
19
19
20
20
23
25
26
28
29
30
31

Dew Point (°C)

17
18
17
17
18
18
17
17
16
14
13
12
12
12
12
12
12
12
13
13
13
14
14
14

Relative Humidity (%)

49
49
48
48
57
62
65
72
70
65
61
59
60
63
64
63
63
59
52
48
44
42
41
39

Pressure (mb)

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

Ozone (du)

308
308
307
307
304
303
303
302
301
300
299
300
298
299
299
299
300
299
298
299
300
300
300
300

Wednesday 19

First Quarter 49%

14:56

23:19

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

Sun - Rise: 06:25, Set: 19:57, Transit: 13:10. Moon - Rise: 14:56, Set: 23:19. Civil Dark: 20:25 - 05:57. Nautical Dark: 20:59 - 05:23. Astro Dark: 21:35 - 04:47

Total Clouds (% Sky Obscured)

0
26
38
5
20
32
39
68
89
91
90
99
76
30
51
29
45
93
95
93
98
88
95
97

Low Clouds (% Sky Obscured)

0
0
0
0
1
0
0
0
5
10
13
33
44
30
21
4
0
4
9
13
9
4
0
1

Medium Clouds (% Sky Obscured)

0
3
4
4
7
32
9
9
69
56
40
49
34
30
51
29
41
43
49
52
53
55
78
88

High Clouds (% Sky Obscured)

0
22
38
2
10
10
19
45
39
13
8
42
3
4
21
4
16
80
81
84
90
72
88
91

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
2
9
4
4
9
8
5
6
4
0
2
1
1
7
9
9
36

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
14
14
15
17
17
17
16
17
16
16
16
16
16
16
16
16
16
15
14
14
14
14
16

Relative Humidity (%)

37
37
37
42
51
53
58
60
61
60
58
59
58
60
61
61
62
61
53
47
44
43
42
45

Pressure (mb)

1013
1012
1012
1012
1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1013
1014
1014
1015
1015
1015
1015
1015
1015
1014

Ozone (du)

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

Thursday 20

Waxing Gibbous 58%

14:56

23:58

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
14 Bad

Sun - Rise: 06:26, Set: 19:55, Transit: 13:10. Moon - Rise: 14:56, Set: 23:58. Civil Dark: 20:23 - 05:58. Nautical Dark: 20:57 - 05:24. Astro Dark: 21:33 - 04:49

Total Clouds (% Sky Obscured)

98
100
100
95
95
96
66
44
86
100
99
96
98
97
95
92
90
93
96
100
91
83
74
74

Low Clouds (% Sky Obscured)

2
3
4
4
5
12
18
23
41
56
73
72
67
63
74
69
69
68
67
66
61
56
48
51

Medium Clouds (% Sky Obscured)

95
100
99
77
35
31
27
23
19
19
74
38
27
65
64
57
55
61
68
74
21
23
21
16

High Clouds (% Sky Obscured)

96
100
100
45
51
46
46
40
76
99
72
90
90
87
82
78
72
80
89
100
57
28
10
20

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
2
3
3
1
0
1
1
0
3
8
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
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None

Precipitation Probability (%)

50
62
62
60
56
58
59
59
66
57
49
57
66
89
95
95
95
95
89
78
95
84
48
27

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0.4
0.7
2
5.3
9.7
3.5
0.5
0.4
0.9
0.7
0.2
0

Wind Speed/Direction (mph)

5
4
3
3
4
3
4
3
3
3
2
1
2
2
4
4
5
3
4
5
4
6
7
6

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
59
58
59
62
67
65
68
72
75
83
84
88
92
96
96
100
98
98
98
97
97
95
95

Pressure (mb)

1015
1015
1014
1014
1014
1015
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1015
1015
1015
1015
1016
1016
1016
1015

Ozone (du)

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

Friday 21

Waxing Gibbous 68%

15:54

00:44

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

Sun - Rise: 06:27, Set: 19:54, Transit: 13:10. Moon - Rise: 15:54, Set: 00:44. Civil Dark: 20:22 - 05:59. Nautical Dark: 20:56 - 05:26. Astro Dark: 21:31 - 04:50

Total Clouds (% Sky Obscured)

76
78
79
69
78
65
94
100
76
55
32
98
96
93
96
98
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

54
58
49
40
31
20
10
0
5
9
13
48
50
52
58
64
68
71
76
79
83
86
89
86

Medium Clouds (% Sky Obscured)

14
12
7
4
1
1
0
0
0
0
0
21
27
29
28
33
35
36
40
37
43
44
45
43

High Clouds (% Sky Obscured)

13
2
16
27
60
56
87
100
68
37
5
98
95
93
96
98
99
99
98
97
98
99
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

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

Precipitation Probability (%)

13
13
12
11
10
8
5
1
1
1
0
7
9
7
39
61
78
79
71
46
75
83
85
87

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0.7
0.5
0.3
0
0.3
0.5
0.7
0.7

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

26
27
27
27
26
24
24
23
23
22
22
22
20
20
20
20
21
21
21
22
22
22
22
22

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

94
95
92
90
88
91
92
91
92
92
92
92
89
89
88
86
85
85
83
83
81
80
80
80

Pressure (mb)

1015
1015
1015
1014
1015
1015
1015
1015
1015
1015
1015
1015
1016
1015
1015
1015
1016
1016
1016
1016
1016
1016
1015
1015

Ozone (du)

302
300
299
298
299
297
299
300
302
302
303
301
301
302
302
302
302
302
302
302
302
301
300
299

Saturday 22

Waxing Gibbous 77%

16:46

01:38

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
14 Bad

Sun - Rise: 06:28, Set: 19:52, Transit: 13:10. Moon - Rise: 16:46, Set: 01:38. Civil Dark: 20:20 - 06:00. Nautical Dark: 20:54 - 05:27. Astro Dark: 21:29 - 04:51

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
97
93
90
78
69
59
62
66
71
73
75
75
75
74
73
73

Low Clouds (% Sky Obscured)

84
82
83
85
86
88
90
93
90
88
85
75
64
51
52
56
58
57
55
54
50
46
42
44

Medium Clouds (% Sky Obscured)

42
36
30
28
31
28
21
14
23
32
41
47
53
55
61
63
60
60
51
47
49
51
61
59

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
80
57
36
29
22
15
10
10
15
10
20
35
50
55
55
37

ISS Passover

Visibility (miles)

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

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

Precipitation Probability (%)

86
86
78
69
58
52
43
22
30
31
29
35
40
45
52
58
62
67
69
69
60
50
36
33

Precipitation Amount (mm)

0.6
0.7
0.5
0.3
0.2
0
0
0
0
0
0
0
0
0
0.2
0.3
0.3
0.3
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
4
4
4
4
3
3
3
2
2
2
2
2
2
3
3
4
4
3
3
3
2
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

19
19
19
19
19
19
19
19
20
20
20
20
20
20
20
20
19
19
20
21
22
22
21
22

Relative Humidity (%)

78
76
74
78
80
85
88
89
92
94
95
95
96
96
98
96
93
91
92
92
94
88
83
79

Pressure (mb)

1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014
1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1013
1013
1012

Ozone (du)

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

Sunday 23

Waxing Gibbous 84%

17:31

02:37

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

Sun - Rise: 06:29, Set: 19:51, Transit: 13:09. Moon - Rise: 17:31, Set: 02:37. Civil Dark: 20:19 - 06:01. Nautical Dark: 20:52 - 05:28. Astro Dark: 21:28 - 04:53

Total Clouds (% Sky Obscured)

78
82
78
75
71
57
41
28
19
9
1
12
24
36
28
22
13

Low Clouds (% Sky Obscured)

47
50
42
35
28
19
10
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

54
48
44
38
29
20
15
13
6
3
1
0
0
0
0
0
0

High Clouds (% Sky Obscured)

24
9
4
2
0
0
0
0
0
0
0
9
18
29
25
20
13

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 (%)

31
28
32
36
38
38
34
23
31
28
20
17
13
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
4
4
3
2
3
3
3
4
3
4
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

26
27
27
26
24
23
22
22
21
21
20
20
19
19
19
19
19

Feels Like (°C)

29
29
29
29
29
29
26
26
26
25
25
24
23
23
22
22
22

Dew Point (°C)

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

Relative Humidity (%)

77
76
73
77
83
89
92
92
94
95
95
93
93
93
92
89
88

Pressure (mb)

1012
1012
1012
1012
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1015
1015

Ozone (du)

302
303
304
306
308
309
311
313
315
314
312
311
311
311
311
311
310

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

Generated: 17/08/26 14:37:08. Forecast: 17/08/26 to 23/08/26. Timezone: UTC-4.00