Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 4

Third Quarter 37%

23:59

16:04

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
15 Bad
16 Bad
17 Bad

Sun - Rise: 06:40, Set: 19:33, Transit: 13:05. Moon - Rise: 23:59, Set: 16:04. Civil Dark: 20:00 - 06:13. Nautical Dark: 20:32 - 05:41. Astro Dark: 21:06 - 05:07

Total Clouds (% Sky Obscured)

50
67
74
66
89
100
97
100
100
100
100
100
100
100
100
90
100
100
100
91
89
80
92
56

Low Clouds (% Sky Obscured)

11
17
25
15
15
48
59
86
84
88
96
30
20
22
20
34
20
33
81
89
89
58
91
46

Medium Clouds (% Sky Obscured)

50
35
44
57
51
68
53
59
52
73
84
85
76
76
51
51
41
53
51
35
40
26
20
21

High Clouds (% Sky Obscured)

50
67
74
66
89
100
89
64
100
100
100
100
100
100
100
87
100
100
100
35
30
35
0
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

7
0
0
19
9
9
3
89
79
95
95
95
89
88
23
13
3
27
44
28
32
34
19
19

Precipitation Amount (mm)

0
0
0
0
0
0
0
1.2
0.3
1.5
2.3
1.4
0.9
1.2
0
0
0
0
0.2
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

16
18
18
18
21
21
21
21
19
19
20
22
22
22
21
21
18
17
17
17
17
19
20
20

Relative Humidity (%)

48
60
66
71
74
77
78
78
77
77
81
97
96
96
94
88
74
69
67
65
66
72
77
72

Pressure (mb)

1011
1012
1012
1012
1012
1012
1012
1012
1011
1011
1011
1011
1011
1011
1012
1012
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

294
294
292
292
293
294
297
299
298
299
300
299
301
301
301
301
301
301
303
304
305
304
304
304

Saturday 5

Waning Crescent 26%

01:06

16:56

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

Sun - Rise: 06:41, Set: 19:31, Transit: 13:05. Moon - Rise: 01:06, Set: 16:56. Civil Dark: 19:58 - 06:14. Nautical Dark: 20:30 - 05:42. Astro Dark: 21:04 - 05:08

Total Clouds (% Sky Obscured)

40
21
14
23
26
15
38
37
34
20
15
22
43
41
38
37
31
28
47
64
44
40
21
26

Low Clouds (% Sky Obscured)

25
9
8
8
4
0
7
5
4
0
0
4
13
6
0
0
0
9
29
61
44
40
14
26

Medium Clouds (% Sky Obscured)

31
19
14
23
25
14
30
29
27
17
15
20
38
38
38
37
31
23
25
15
0
0
3
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
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 (%)

13
1
3
0
0
2
10
1
0
0
0
0
0
0
0
0
0
0
3
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
5
4
4
3
4
4
5
5
5
5
5
5
5
6
7
8
7
7
7
7
6
6
6

Chance of Frost

Temperature (°C)

25
24
22
21
21
20
20
19
19
19
19
18
18
18
19
20
21
23
24
25
26
26
26
26

Feels Like (°C)

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

Dew Point (°C)

19
20
19
18
18
18
17
17
16
15
15
14
14
14
14
14
14
14
14
14
14
13
12
12

Relative Humidity (%)

70
78
81
83
82
84
85
88
81
76
76
77
78
79
75
68
62
57
53
50
47
45
41
42

Pressure (mb)

1011
1011
1011
1011
1012
1012
1012
1013
1013
1013
1013
1013
1013
1014
1015
1015
1016
1016
1016
1016
1015
1015
1015
1015

Ozone (du)

304
303
300
300
300
301
300
301
301
301
301
302
305
306
307
308
307
306
306
306
306
306
306
305

Sunday 6

Waning Crescent 16%

02:20

17:38

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

Sun - Rise: 06:42, Set: 19:29, Transit: 13:05. Moon - Rise: 02:20, Set: 17:38. Civil Dark: 19:56 - 06:15. Nautical Dark: 20:29 - 05:43. Astro Dark: 21:02 - 05:09

Total Clouds (% Sky Obscured)

34
33
33
14
32
50
53
55
59
62
39
38
38
29
23
16
9
10
22
48
53
58
40
14

Low Clouds (% Sky Obscured)

34
33
33
7
11
50
53
55
59
62
19
22
30
21
19
12
8
9
21
48
53
55
38
14

Medium Clouds (% Sky Obscured)

0
2
0
0
12
6
6
6
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

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
4
31
2
2
2
2
2
2
2
2
2
2

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
4
8
12
5
13
11
12
12
4
13
4
6
3
7
7
16
23
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
15
14
15
17
18
17
17
17
16
16
16
16
15
16
16
15
14
13
13
13
13
14
14

Relative Humidity (%)

51
57
60
67
82
89
89
88
88
88
88
89
90
90
86
78
67
57
51
45
42
43
46
49

Pressure (mb)

1016
1016
1017
1018
1018
1018
1019
1019
1019
1020
1020
1020
1021
1021
1022
1022
1023
1023
1023
1022
1022
1022
1021
1021

Ozone (du)

305
305
304
304
306
307
307
306
306
307
308
309
310
311
311
310
311
312
312
312
312
312
312
312

Monday 7

Waning Crescent 8%

03:36

No Set

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

Sun - Rise: 06:43, Set: 19:28, Transit: 13:04. Moon - Rise: 03:36, Set: No Set. Civil Dark: 19:55 - 06:16. Nautical Dark: 20:27 - 05:44. Astro Dark: 21:00 - 05:11

Total Clouds (% Sky Obscured)

8
2
12
40
4
11
16
21
24
34
28
49
52
57
53
48
44
50
53
45
70
68
65
64

Low Clouds (% Sky Obscured)

8
1
5
2
0
9
16
21
23
23
22
13
6
0
0
0
0
4
9
13
11
9
4
2

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
7
9
9
8
8
10
11
11
10

High Clouds (% Sky Obscured)

1
1
1
29
2
3
3
0
1
16
5
49
52
57
53
48
44
50
43
27
65
64
56
60

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 (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

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

Chance of Frost

Temperature (°C)

25
24
22
21
21
20
19
19
19
18
18
18
18
18
18
20
22
24
25
26
28
28
28
28

Feels Like (°C)

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

Dew Point (°C)

14
15
15
15
14
14
14
14
14
14
14
14
15
15
14
13
13
13
13
13
13
13
13
14

Relative Humidity (%)

50
58
63
65
66
68
69
70
72
73
76
79
81
82
76
65
58
52
47
43
41
40
39
40

Pressure (mb)

1021
1022
1022
1023
1024
1024
1024
1024
1024
1024
1024
1024
1025
1025
1025
1026
1026
1026
1025
1025
1024
1024
1023
1023

Ozone (du)

311
312
312
313
313
312
309
309
309
307
306
306
306
305
305
304
304
304
303
303
301
301
301
300

Tuesday 8

Waning Crescent 3%

04:51

18:12

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

Sun - Rise: 06:44, Set: 19:26, Transit: 13:04. Moon - Rise: 04:51, Set: 18:12. Civil Dark: 19:53 - 06:17. Nautical Dark: 20:25 - 05:45. Astro Dark: 20:58 - 05:12

Total Clouds (% Sky Obscured)

59
55
47
35
35
28
72
72
49
53
65
80
91
100
93
84
75
52
29
6
5
3
2
3

Low Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
2
3
4
3
1
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

9
9
6
3
0
0
1
1
8
4
0
0
1
1
8
14
21
13
8
2
1
1
0
0

High Clouds (% Sky Obscured)

58
55
47
35
35
28
69
71
38
51
64
80
91
100
91
83
74
49
28
6
5
3
2
3

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 (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

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)

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

Chance of Frost

Temperature (°C)

27
25
24
23
22
21
21
20
20
21
20
20
20
20
20
22
24
26
27
29
31
31
31
31

Feels Like (°C)

28
25
23
22
22
20
21
19
19
19
19
19
19
19
19
19
20
21
21
22
23
33
32
31

Dew Point (°C)

15
15
14
15
15
15
14
13
12
13
12
12
13
13
13
13
13
13
13
14
14
14
15
15

Relative Humidity (%)

47
52
56
59
63
66
65
63
59
60
60
59
62
64
66
57
51
45
42
39
36
36
36
36

Pressure (mb)

1023
1023
1023
1024
1024
1024
1024
1024
1024
1023
1023
1023
1023
1023
1023
1023
1023
1023
1022
1021
1020
1020
1019
1018

Ozone (du)

300
299
298
298
297
296
294
293
291
291
290
290
289
288
287
287
286
286
285
284
283
283
283
283

Wednesday 9

Waning Crescent 0%

06:04

18:41

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

Sun - Rise: 06:45, Set: 19:25, Transit: 13:04. Moon - Rise: 06:04, Set: 18:41. Civil Dark: 19:52 - 06:18. Nautical Dark: 20:24 - 05:46. Astro Dark: 20:56 - 05:13

Total Clouds (% Sky Obscured)

4
5
8
10
9
7
5
1
8
18
26
22
17
14
29
44
54
49
44
48
53
38
34
45

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
5
10
15
12
7
2
1
1
0
0
0
0
4
7
13
10

Medium Clouds (% Sky Obscured)

1
1
5
9
9
7
5
1
5
11
18
12
5
0
0
1
1
1
2
2
8
18
28
18

High Clouds (% Sky Obscured)

4
4
3
1
0
0
0
0
0
0
0
2
6
12
26
39
49
47
43
47
52
38
34
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 (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2
2

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
1
1
0
0
0
0
0
0
0
0
0
0
0
0
1
3

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
6
7
7
7
7
7
6
6
6
5
5
5
5
7
9
10
11
12
13
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

15
14
14
14
14
14
14
14
14
15
15
15
16
17
17
16
15
14
13
13
13
13
15
15

Relative Humidity (%)

39
41
45
47
49
51
54
56
56
59
61
64
66
68
71
60
52
44
40
37
35
37
40
43

Pressure (mb)

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

Ozone (du)

283
282
282
281
280
279
279
278
277
278
278
279
280
281
281
282
284
285
285
286
287
286
286
286

Thursday 10

New Moon 1%

07:13

19:06

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

Sun - Rise: 06:46, Set: 19:23, Transit: 13:03. Moon - Rise: 07:13, Set: 19:06. Civil Dark: 19:50 - 06:19. Nautical Dark: 20:22 - 05:47. Astro Dark: 20:55 - 05:14

Total Clouds (% Sky Obscured)

52
66
78
89
100
100
100
100
98
96
93
93
95
96

Low Clouds (% Sky Obscured)

6
0
0
0
0
0
0
0
1
2
4
11
21
36

Medium Clouds (% Sky Obscured)

9
0
0
0
0
0
0
0
0
0
0
12
24
39

High Clouds (% Sky Obscured)

52
66
78
89
100
100
100
100
97
95
92
83
74
66

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

2
2
2
2
2
2
2
2
2
2
2
2
2
2

Precipitation Type

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

Precipitation Probability (%)

3
0
2
2
0
0
0
0
0
0
0
2
3
2

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

27
26
24
23
22
21
21
20
19
19
18
18
18
18

Feels Like (°C)

28
28
27
20
20
21
21
20
19
17
17
17
16
16

Dew Point (°C)

15
16
16
16
15
16
15
14
14
14
14
13
13
13

Relative Humidity (%)

47
53
58
61
65
69
70
70
71
72
73
74
72
70

Pressure (mb)

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

Ozone (du)

286
287
288
290
292
293
294
294
294
294
294
294
295
296

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

Generated: 04/09/26 18:41:29. Forecast: 04/09/26 to 10/09/26. Timezone: UTC-4.00