Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 18

Waxing Crescent 25%

10:46

23:05

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: 05:57, 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)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
92
79
100
89
100
86
80
85

Low Clouds (% Sky Obscured)

34
48
35
36
42
42
55
41
51
25
53
30
61
30
15
23
14
9
4
45
39
38
38
44

Medium Clouds (% Sky Obscured)

22
51
50
62
62
41
28
80
41
9
59
22
41
39
34
24
12
63
70
67
43
70
31
4

High Clouds (% Sky Obscured)

81
100
100
100
100
100
100
100
100
100
100
100
100
100
100
42
84
64
99
67
100
50
25
30

ISS Passover

Visibility (miles)

3
3
9
9
9
9
9
9
9
9
9
9
9
9
9
6
5
3
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
None
None
None
None
None
Light Rain
Light Rain
Very Light Rain
None
Light Rain
Light Rain
Light Rain
Ice pellet
None
Very Light Rain
Light Rain
None
None
None
None
None
None
None

Precipitation Probability (%)

11
0
0
19
14
15
91
95
82
74
71
95
95
95
72
81
74
27
4
9
15
3
2
1

Precipitation Amount (mm)

0.6
0.2
0
0
0
0
0.7
1.5
0.2
0
0.4
1.1
1.4
0.7
0
0.3
0.5
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
23
24
28
29
30
31
29
28
29
29
29
28
26
26
25
24
25
25
25
25
24
23
23

Feels Like (°C)

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

Dew Point (°C)

22
22
23
25
25
25
23
20
18
21
22
24
24
23
22
21
23
24
24
24
24
23
22
22

Relative Humidity (%)

95
91
91
85
80
71
63
58
52
61
64
73
82
79
79
79
91
94
94
95
95
92
94
94

Pressure (mb)

1015
1015
1014
1014
1014
1013
1012
1011
1010
1009
1009
1008
1008
1008
1009
1009
1009
1009
1008
1008
1008
1008
1009
1009

Ozone (du)

311
311
312
311
311
310
310
309
309
309
309
308
308
308
309
309
310
311
313
317
317
322
324
324

Sunday 19

Waxing Crescent 35%

11:52

23:27

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

Sun - Rise: 05:58, Set: 20:30, Transit: 13:14. Moon - Rise: 11:52, Set: 23:27. Civil Dark: 21:01 - 05:27. Nautical Dark: 21:40 - 04:48. Astro Dark: 22:23 - 04:05

Total Clouds (% Sky Obscured)

85
81
83
85
54
73
68
42
41
43
58
78
84
28
6
1
21
11
22
27
49
54
79
59

Low Clouds (% Sky Obscured)

19
7
44
43
54
52
55
42
41
43
45
39
31
24
6
0
0
0
0
0
17
39
32
25

Medium Clouds (% Sky Obscured)

12
0
0
0
5
10
0
0
0
0
0
0
0
0
0
0
0
0
0
23
33
37
41
38

High Clouds (% Sky Obscured)

25
33
34
67
14
54
65
8
5
17
58
71
63
25
2
0
5
3
5
0
4
4
51
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

26
26
26
25
26
28
28
28
29
30
29
28
28
26
24
24
23
22
21
21
21
19
19
18

Dew Point (°C)

21
21
21
19
19
18
18
17
16
15
14
15
17
17
15
15
13
13
13
13
13
11
12
12

Relative Humidity (%)

89
84
78
70
63
57
52
49
45
43
41
45
53
58
58
60
60
59
61
62
63
62
63
63

Pressure (mb)

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

Ozone (du)

324
323
323
326
329
329
327
327
327
328
328
329
329
329
328
327
326
326
324
324
324
324
326
326

Monday 20

Waxing Crescent 45%

12:56

23:51

07 Bad
08 Bad
09 OK
10 OK
11 OK
12 OK
13 OK
14 Good
15 OK
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: 05:58, Set: 20:30, Transit: 13:14. Moon - Rise: 12:56, Set: 23:51. Civil Dark: 21:00 - 05:28. Nautical Dark: 21:39 - 04:49. Astro Dark: 22:22 - 04:07

Total Clouds (% Sky Obscured)

72
50
28
37
37
20
25
12
22
60
75
64
94
96
98
100
100
99
99
99
99
99
99
94

Low Clouds (% Sky Obscured)

12
21
21
21
22
0
25
0
22
60
45
51
48
47
45
43
46
52
54
65
65
73
77
80

Medium Clouds (% Sky Obscured)

29
23
19
24
28
20
25
12
22
43
36
39
28
21
17
13
12
13
11
20
25
31
62
71

High Clouds (% Sky Obscured)

46
28
2
6
10
1
0
0
0
12
15
46
94
96
98
100
100
99
99
98
97
96
96
74

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
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
0
1
1
0
5
6
7
16
58

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
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

21
21
22
24
26
27
28
30
30
31
30
29
29
26
25
24
23
23
22
21
22
22
22
23

Dew Point (°C)

13
12
11
10
11
11
12
13
14
14
15
17
18
17
18
19
18
18
17
17
16
18
18
19

Relative Humidity (%)

66
60
51
46
43
40
40
39
40
39
41
49
53
57
64
69
71
71
70
71
67
74
76
79

Pressure (mb)

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

Ozone (du)

326
327
329
328
327
328
328
328
327
323
320
319
318
318
316
314
315
312
312
309
309
310
311
311

Tuesday 21

First Quarter 55%

14:00

00:17

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: 05:59, Set: 20:29, Transit: 13:14. Moon - Rise: 14:00, Set: 00:17. Civil Dark: 21:00 - 05:29. Nautical Dark: 21:38 - 04:50. Astro Dark: 22:20 - 04:08

Total Clouds (% Sky Obscured)

97
98
99
100
100
100
100
100
100
100
94
100
100
100
100
100
100
100
100
100
99
100
94
84

Low Clouds (% Sky Obscured)

84
80
76
72
61
52
45
51
56
32
25
26
35
37
45
37
40
49
58
65
69
73
69
64

Medium Clouds (% Sky Obscured)

47
19
17
20
17
50
79
84
92
100
38
64
25
93
98
100
100
100
81
99
27
30
23
12

High Clouds (% Sky Obscured)

88
94
97
99
99
100
100
100
100
100
92
100
100
100
100
100
100
100
100
99
91
91
73
53

ISS Passover

Visibility (miles)

5
8
9
9
9
9
9
2
7
4
9
9
9
9
3
2
7
5
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
None
None
None
None
Light Rain
Light Rain
Light Rain
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

86
87
43
19
30
53
95
89
88
64
65
74
95
95
95
95
95
95
95
95
95
95
82
60

Precipitation Amount (mm)

0.7
0.9
0
0
0
0
1.6
0.5
0.4
0
0.3
0.4
0.6
1.2
1.2
1.3
1.2
1.9
3
1.7
1.6
0.8
0.7
0.4

Wind Speed/Direction (mph)

8
9
9
9
10
9
11
11
9
11
7
8
8
8
9
9
9
10
10
10
10
9
9
8

Chance of Frost

Temperature (°C)

23
24
24
26
27
28
29
31
31
30
30
29
27
26
26
25
26
25
25
25
24
24
24
24

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

89
92
91
91
86
85
71
93
95
91
91
83
84
87
92
97
98
98
97
97
95
97
97
97

Pressure (mb)

1012
1012
1012
1011
1011
1010
1010
1009
1009
1008
1007
1007
1007
1007
1008
1007
1007
1007
1006
1006
1006
1006
1006
1007

Ozone (du)

312
311
311
310
310
308
309
310
311
316
316
316
316
312
309
308
309
309
310
310
312
314
315
314

Wednesday 22

Waxing Gibbous 65%

15:03

00:47

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 OK
22 OK
23 OK
00 OK
01 OK
02 OK
03 OK
04 Bad
05 Bad
06 Bad

Sun - Rise: 06:00, Set: 20:28, Transit: 13:14. Moon - Rise: 15:03, Set: 00:47. Civil Dark: 20:59 - 05:29. Nautical Dark: 21:37 - 04:51. Astro Dark: 22:19 - 04:09

Total Clouds (% Sky Obscured)

69
75
55
66
37
39
39
41
49
58
58
58
58
46
32
18
19
20
24
31
42
50
50
50

Low Clouds (% Sky Obscured)

50
22
18
9
12
13
16
15
16
17
24
37
37
35
32
18
19
20
24
29
31
35
33
36

Medium Clouds (% Sky Obscured)

0
4
7
11
11
12
12
18
21
23
13
7
3
1
1
1
1
3
5
7
10
10
12
15

High Clouds (% Sky Obscured)

46
53
39
30
28
29
29
1
4
7
11
16
21
24
14
2
1
0
0
3
6
11
8
4

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 (%)

17
19
17
16
16
13
7
18
16
6
10
10
6
6
6
3
9
9
2
6
7
4
6
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)

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

Chance of Frost

Temperature (°C)

24
25
25
26
26
27
28
29
30
30
31
29
28
26
26
25
24
24
23
23
23
22
22
22

Feels Like (°C)

27
26
25
25
26
26
27
27
29
29
29
30
30
32
24
24
24
25
25
24
22
22
22
21

Dew Point (°C)

24
22
21
19
18
16
14
14
15
16
16
16
17
17
17
17
17
17
18
18
18
18
18
17

Relative Humidity (%)

95
87
79
68
60
49
43
39
40
41
42
46
51
56
60
63
65
67
72
74
75
76
78
76

Pressure (mb)

1008
1008
1009
1009
1010
1010
1010
1010
1009
1009
1009
1009
1010
1011
1011
1012
1013
1013
1013
1013
1013
1013
1013
1014

Ozone (du)

314
316
319
322
322
324
325
325
324
323
322
320
319
317
316
315
314
314
314
314
316
319
321
323

Thursday 23

Waxing Gibbous 74%

16:06

01:21

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

Sun - Rise: 06:01, Set: 20:27, Transit: 13:14. Moon - Rise: 16:06, Set: 01:21. Civil Dark: 20:58 - 05:30. Nautical Dark: 21:36 - 04:53. Astro Dark: 22:18 - 04:11

Total Clouds (% Sky Obscured)

50
54
58
58
46
46
49
41
31
20
25
34
40
40
40
40
43
46
44
50
52
54
64
79

Low Clouds (% Sky Obscured)

37
52
58
58
46
46
49
41
31
20
25
34
40
40
38
22
32
42
44
50
52
54
64
76

Medium Clouds (% Sky Obscured)

21
20
25
23
23
23
24
15
7
1
5
8
9
6
4
4
2
1
1
4
6
20
44
61

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
8
17
25
25
30
40
43
46
44
45
47
45
35
26

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 (%)

2
6
5
1
6
8
8
11
11
9
9
8
5
7
7
5
6
6
3
17
22
21
24
23

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

17
17
16
16
16
16
17
16
16
16
15
16
17
19
17
16
14
15
15
15
15
15
16
15

Relative Humidity (%)

74
73
66
60
56
52
50
47
46
43
41
48
54
63
62
60
59
61
63
65
65
67
68
66

Pressure (mb)

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

Ozone (du)

325
327
327
327
327
328
328
329
331
333
335
340
345
350
349
348
347
346
345
343
341
338
335
331

Friday 24

Waxing Gibbous 82%

17:06

02:03

Sun - Rise: 06:02, Set: 20:26, Transit: 13:14. Moon - Rise: 17:06, Set: 02:03. Civil Dark: 20:57 - 05:31. Nautical Dark: 21:35 - 04:54. Astro Dark: 22:17 - 04:12

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: 18/07/26 07:17:03. Forecast: 18/07/26 to 24/07/26. Timezone: UTC-4.00