Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 12

Waning Crescent 5%

04:30

19:27

07 Bad
08 Bad
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

Sun - Rise: 05:52, Set: 20:34, Transit: 13:13. Moon - Rise: 04:30, Set: 19:27. Civil Dark: 21:06 - 05:21. Nautical Dark: 21:45 - 04:41. Astro Dark: 22:30 - 03:57

Total Clouds (% Sky Obscured)

99
95
94
91
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

68
69
54
44
41
30
37
36
49
42
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

9
5
2
0
0
0
0
37
18
0
2
0
0
0
0
0
0
0
0
0
9
22
23
22

High Clouds (% Sky Obscured)

95
66
74
65
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

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
5
6
7
7
9
11
11
9
4
1
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
5
5
5
7
9
9
9
9
9
9
8
8
6
5
5
5
4
4
4
4
3
3
4

Chance of Frost

Temperature (°C)

22
23
24
25
26
27
28
29
29
29
29
28
27
25
23
22
21
20
19
19
19
18
18
18

Feels Like (°C)

23
24
24
25
26
27
28
28
29
28
27
28
26
25
22
21
20
20
20
19
19
19
18
18

Dew Point (°C)

21
21
20
18
17
17
18
18
18
18
19
19
19
18
16
15
15
15
15
15
15
15
15
15

Relative Humidity (%)

92
87
77
67
60
56
53
51
49
52
53
57
59
63
63
65
67
70
75
76
78
80
81
82

Pressure (mb)

1019
1020
1021
1021
1021
1020
1020
1020
1019
1019
1020
1020
1020
1020
1021
1022
1022
1022
1022
1022
1022
1022
1022
1022

Ozone (du)

330
330
332
334
336
336
333
331
330
329
327
327
326
325
326
326
327
328
330
332
334
334
333
334

Monday 13

Waning Crescent 1%

05:47

20:25

07 Bad
08 Bad
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 OK
00 OK
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good

Sun - Rise: 05:53, Set: 20:34, Transit: 13:13. Moon - Rise: 05:47, Set: 20:25. Civil Dark: 21:05 - 05:21. Nautical Dark: 21:45 - 04:42. Astro Dark: 22:29 - 03:58

Total Clouds (% Sky Obscured)

100
100
100
98
100
51
100
100
100
100
100
100
100
100
100
100
35
35
15
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
0
28
28
15
9
3
0
0
18
5
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

18
4
7
2
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
98
100
51
100
100
100
100
100
100
100
100
100
100
35
35
15
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 (%)

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)

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

Chance of Frost

Temperature (°C)

18
21
23
23
25
27
28
29
29
29
29
28
27
25
23
22
22
21
21
20
19
19
19
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
76
68
59
52
47
44
42
41
42
43
49
56
60
60
62
65
70
79
85
89
89
90
89

Pressure (mb)

1023
1023
1023
1023
1023
1023
1022
1022
1021
1021
1021
1021
1021
1021
1022
1023
1023
1022
1022
1021
1021
1021
1021
1021

Ozone (du)

334
332
332
332
331
331
331
331
331
332
329
329
329
328
327
328
330
332
333
334
335
336
335
335

Tuesday 14

New Moon 0%

07:07

21:11

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

Sun - Rise: 05:54, Set: 20:33, Transit: 13:13. Moon - Rise: 07:07, Set: 21:11. Civil Dark: 21:05 - 05:22. Nautical Dark: 21:44 - 04:43. Astro Dark: 22:28 - 03:59

Total Clouds (% Sky Obscured)

8
3
7
9
1
2
0
1
0
0
0
0
0
0
0
0
0
4
2
2
10
5
5
0

Low 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

Medium Clouds (% Sky Obscured)

0
0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

5
3
6
6
0
2
0
1
0
0
0
0
0
0
0
0
0
4
2
2
10
5
5
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 (%)

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)

2
0
1
2
3
3
3
4
5
5
5
5
5
4
4
5
5
6
6
5
5
5
5
5

Chance of Frost

Temperature (°C)

19
22
24
26
28
30
31
32
33
33
33
32
32
30
28
26
24
24
23
22
22
21
21
22

Feels Like (°C)

22
26
29
30
31
33
35
35
35
35
35
35
35
33
31
28
26
24
23
23
22
22
22
23

Dew Point (°C)

16
17
18
17
17
17
17
17
18
18
18
18
21
21
20
18
16
16
14
14
14
14
13
15

Relative Humidity (%)

85
75
68
57
50
46
43
41
40
40
41
42
53
60
60
60
60
60
58
59
61
63
63
63

Pressure (mb)

1022
1022
1023
1022
1022
1021
1021
1020
1019
1018
1018
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1015
1015
1015

Ozone (du)

334
330
327
325
323
322
319
316
315
312
310
308
307
306
306
306
306
306
306
305
304
303
302
302

Wednesday 15

Waxing Crescent 3%

07:07

21:47

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

Sun - Rise: 05:54, Set: 20:33, Transit: 13:13. Moon - Rise: 07:07, Set: 21:47. Civil Dark: 21:04 - 05:23. Nautical Dark: 21:43 - 04:44. Astro Dark: 22:27 - 04:00

Total Clouds (% Sky Obscured)

0
2
7
54
59
7
3
3
3
6
3
2
4
14
42
100
100
60
67
100
100
100
90
79

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
3
5
3
2
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
5
5
8
8
10
9
10
15
21

High Clouds (% Sky Obscured)

0
1
4
54
59
6
3
2
0
2
0
0
4
12
38
100
100
45
45
100
100
100
84
59

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
1
1
1
5
6

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
5
7
8
9
9
9
8
8
8
8
7
6
4
4
4
5
5
5
5
5
5
5
6

Chance of Frost

Temperature (°C)

24
26
28
30
32
34
36
37
38
38
39
37
36
34
32
30
28
28
27
26
25
24
23
24

Feels Like (°C)

25
28
30
32
33
35
39
40
41
41
42
41
39
39
35
33
30
29
30
29
26
25
25
25

Dew Point (°C)

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

Relative Humidity (%)

66
66
60
57
57
55
52
49
46
43
41
43
52
62
65
67
68
70
71
73
74
74
78
82

Pressure (mb)

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

Ozone (du)

302
302
302
302
302
303
302
302
302
302
302
303
303
305
305
304
305
305
306
305
305
305
306
308

Thursday 16

Waxing Crescent 8%

08:24

22:16

07 Bad
08 Bad
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

Sun - Rise: 05:55, Set: 20:32, Transit: 13:13. Moon - Rise: 08:24, Set: 22:16. Civil Dark: 21:03 - 05:24. Nautical Dark: 21:42 - 04:45. Astro Dark: 22:26 - 04:02

Total Clouds (% Sky Obscured)

71
63
85
91
90
87
86
70
74
81
81
81
81
85
92
100
100
100
100
99
99
98
94
89

Low Clouds (% Sky Obscured)

0
0
0
0
2
0
0
6
10
14
13
10
0
0
0
0
0
0
0
0
0
0
3
3

Medium Clouds (% Sky Obscured)

23
22
73
78
82
47
29
14
24
35
25
15
6
5
4
4
4
5
4
9
16
20
23
29

High Clouds (% Sky Obscured)

35
29
45
62
49
36
23
51
73
81
81
79
76
82
91
100
100
100
100
99
97
94
74
57

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 (%)

4
7
6
3
2
1
0
0
0
0
1
1
1
2
2
1
1
1
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
7
8
7
6
7
8
9
11
11
11
9
7
6
5
5
5
5
5
4
4
4
4
4

Chance of Frost

Temperature (°C)

24
25
27
28
29
31
32
33
36
36
37
35
34
33
31
29
26
25
24
23
23
22
21
22

Feels Like (°C)

26
26
27
28
29
30
31
31
34
33
34
34
35
36
29
29
28
27
27
26
20
20
20
19

Dew Point (°C)

21
21
20
20
21
21
19
17
19
19
19
20
21
23
19
16
12
12
13
13
12
12
11
12

Relative Humidity (%)

82
77
66
62
60
54
44
36
37
35
35
40
46
54
49
45
40
44
48
53
52
52
52
52

Pressure (mb)

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

Ozone (du)

311
311
313
314
313
311
312
314
314
315
316
316
317
317
316
316
316
316
315
315
315
314
313
313

Friday 17

Waxing Crescent 16%

09:37

22:41

07 Bad
08 Bad
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

Sun - Rise: 05:56, Set: 20:32, Transit: 13:13. Moon - Rise: 09:37, Set: 22:41. Civil Dark: 21:03 - 05:25. Nautical Dark: 21:42 - 04:46. Astro Dark: 22:25 - 04:03

Total Clouds (% Sky Obscured)

85
81
77
76
79
76
72
66
58
51
59
67
73
64
55
46
49
52
58
61
67
74
70
63

Low Clouds (% Sky Obscured)

3
2
2
2
1
1
0
1
2
2
0
0
0
0
0
0
0
0
0
2
5
7
4
2

Medium Clouds (% Sky Obscured)

40
39
46
43
38
32
27
22
17
13
18
20
19
12
10
10
32
52
58
61
67
74
70
63

High Clouds (% Sky Obscured)

43
39
36
35
47
60
70
65
53
35
41
51
61
58
51
41
21
10
12
15
15
17
20
11

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
8
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
2
3
5
8
9
13
13
11
23
29
32
32
31

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

Chance of Frost

Temperature (°C)

23
23
25
26
28
29
30
31
32
32
32
31
30
28
27
25
23
23
22
22
21
21
21
21

Feels Like (°C)

19
19
23
24
24
26
27
27
32
31
31
32
32
33
26
25
25
25
24
24
21
22
21
22

Dew Point (°C)

12
13
14
14
14
16
17
18
18
17
17
16
16
15
13
11
10
10
10
11
12
14
16
17

Relative Humidity (%)

52
52
49
46
44
44
45
44
43
41
40
41
43
44
43
42
41
44
47
49
57
66
76
76

Pressure (mb)

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

Ozone (du)

313
313
314
315
316
316
316
315
315
316
316
315
315
315
316
316
316
318
319
320
319
318
318
318

Saturday 18

Waxing Crescent 25%

10:46

23:05

Sun - Rise: 05:57, Set: 20:31, Transit: 13:13. Moon - Rise: 10:46, Set: 23:05. Civil Dark: 21:02 - 05:26. Nautical Dark: 21:41 - 04:47. Astro Dark: 22:24 - 04:04

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

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

Generated: 12/07/26 07:26:12. Forecast: 12/07/26 to 18/07/26. Timezone: UTC-4.00