Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 30

Waning Gibbous 97%

21:07

07:59

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

Sun - Rise: 06:07, Set: 20:21, Transit: 13:14. Moon - Rise: 21:07, Set: 07:59. Civil Dark: 20:51 - 05:37. Nautical Dark: 21:28 - 05:00. Astro Dark: 22:08 - 04:20

Total Clouds (% Sky Obscured)

46
59
69
65
73
63
54
46
34
27
36
47
54
70
59
46
18
0
2
6
18
33
43
44

Low Clouds (% Sky Obscured)

46
59
69
38
2
1
0
0
0
0
7
36
49
64
56
43
18
0
2
6
18
33
30
33

Medium Clouds (% Sky Obscured)

45
54
53
41
53
36
35
28
18
14
13
14
15
10
5
8
0
0
0
0
0
0
16
12

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
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)

12
12
11
11
11
9
8
6
5
4
4
4
3
4
3
4
4
4
3
3
3
4
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

45
44
45
49
50
52
50
57
69
73
76
76
75
74
74
75
81
85
88
85
75
65
58
49

Pressure (mb)

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

Ozone (du)

332
332
332
330
330
330
329
328
330
334
336
338
339
339
339
338
332
330
331
330
329
328
327
327

Friday 31

Waning Gibbous 93%

21:30

09:03

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

Sun - Rise: 06:08, Set: 20:20, Transit: 13:13. Moon - Rise: 21:30, Set: 09:03. Civil Dark: 20:50 - 05:38. Nautical Dark: 21:27 - 05:02. Astro Dark: 22:07 - 04:22

Total Clouds (% Sky Obscured)

31
29
30
26
25
24
33
16
5
29
13
35
18
34
36
60
89
95
92
100
100
100
100
92

Low Clouds (% Sky Obscured)

31
29
30
26
25
24
32
9
0
0
0
0
0
0
0
22
0
11
0
0
0
0
0
8

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
7
18
23
35
35
30
26
10
2
5
0
19

High Clouds (% Sky Obscured)

0
0
1
1
3
2
2
2
4
21
8
25
4
11
10
18
78
83
77
100
100
100
100
81

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)

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

Chance of Frost

Temperature (°C)

28
28
29
30
30
30
30
29
27
25
24
24
23
22
21
21
21
21
20
21
22
24
25
27

Feels Like (°C)

30
30
31
32
32
33
32
32
29
26
25
25
23
23
22
23
23
22
21
22
23
24
26
27

Dew Point (°C)

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

Relative Humidity (%)

44
40
38
36
35
36
39
50
54
59
62
62
62
65
67
70
74
76
79
79
69
61
53
47

Pressure (mb)

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

Ozone (du)

326
325
323
320
317
316
314
313
312
310
309
308
307
305
304
304
303
303
303
304
304
303
302
302

Saturday 1

Waning Gibbous 87%

21:53

10:08

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:09, Set: 20:19, Transit: 13:13. Moon - Rise: 21:53, Set: 10:08. Civil Dark: 20:49 - 05:39. Nautical Dark: 21:25 - 05:03. Astro Dark: 22:05 - 04:23

Total Clouds (% Sky Obscured)

100
92
92
99
100
100
100
100
100
100
99
100
49
89
100
100
100
80
97
99
100
100
100
100

Low Clouds (% Sky Obscured)

12
36
29
0
0
0
0
0
0
0
5
0
0
0
0
0
15
17
23
27
28
29
30
32

Medium Clouds (% Sky Obscured)

19
0
30
51
33
41
88
88
88
89
86
61
26
30
26
60
60
43
23
41
27
85
57
63

High Clouds (% Sky Obscured)

100
84
79
98
96
100
100
100
100
100
98
99
44
89
100
100
100
76
92
99
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
4
5
3
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)

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

Chance of Frost

Temperature (°C)

29
30
32
32
32
31
31
29
27
26
25
24
24
23
23
23
22
22
22
22
23
24
25
26

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

41
36
34
33
33
36
47
55
56
62
66
67
67
65
67
67
67
68
72
74
72
64
58
49

Pressure (mb)

1014
1014
1013
1012
1012
1012
1011
1011
1012
1012
1013
1013
1013
1013
1013
1013
1013
1013
1013
1013
1014
1014
1013
1013

Ozone (du)

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

Sunday 2

Waning Gibbous 78%

22:15

11:13

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:10, Set: 20:18, Transit: 13:13. Moon - Rise: 22:15, Set: 11:13. Civil Dark: 20:47 - 05:40. Nautical Dark: 21:24 - 05:04. Astro Dark: 22:04 - 04:24

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

35
38
40
41
43
29
14
0
11
22
36
39
47
56
56
60
62
60
62
63
61
58
54
57

Medium Clouds (% Sky Obscured)

99
100
100
100
100
100
90
100
99
99
98
99
99
100
100
100
100
100
100
100
100
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
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
8
9
9
9
8
3
0
1
1
0
0
0
9
3

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

Precipitation Probability (%)

5
4
13
17
13
24
21
11
50
72
62
61
76
64
95
95
95
95
95
95
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.5
0.3
0.2
0.4
0
0.9
2.2
1.5
1.8
2.6
10
2.7
0.5
0.7
0.8

Wind Speed/Direction (mph)

10
11
10
10
8
6
7
7
3
3
5
7
6
7
6
6
6
6
5
5
6
8
7
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

14
14
15
14
15
15
15
16
17
18
21
21
21
21
21
21
22
22
22
22
22
22
22
22

Relative Humidity (%)

43
40
43
40
42
45
46
53
62
69
88
91
92
92
95
98
98
98
98
98
98
98
94
95

Pressure (mb)

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

Ozone (du)

296
295
296
295
295
296
295
294
295
294
294
295
294
294
294
294
295
296
295
295
294
295
296
295

Monday 3

Waning Gibbous 69%

22:39

No Set

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:11, Set: 20:17, Transit: 13:13. Moon - Rise: 22:39, Set: No Set. Civil Dark: 20:46 - 05:41. Nautical Dark: 21:23 - 05:05. Astro Dark: 22:02 - 04:26

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
98
100
100
100
99
100
96
96
97
95
93
90
93
96
100
100

Low Clouds (% Sky Obscured)

57
59
58
56
55
43
32
20
27
35
39
47
55
65
39
40
45
32
18
5
21
38
54
53

Medium Clouds (% Sky Obscured)

100
93
99
98
96
94
91
87
29
19
20
39
18
26
14
8
1
2
2
2
6
10
15
20

High Clouds (% Sky Obscured)

98
97
100
94
80
96
100
80
86
100
100
100
99
100
88
90
93
91
89
88
91
95
100
99

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
6
0
4
6
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

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

Precipitation Probability (%)

69
59
58
46
34
41
29
23
40
51
52
63
44
40
40
33
13
14
11
1
3
3
1
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

24
25
25
25
25
24
25
24
24
24
24
24
24
24
24
24
24
24
24
24
24
25
25
25

Dew Point (°C)

23
23
22
23
23
22
23
23
23
22
22
22
22
22
22
21
21
21
21
20
20
19
18
18

Relative Humidity (%)

95
92
85
92
88
85
92
92
95
95
97
97
98
98
98
96
98
98
94
91
88
79
70
64

Pressure (mb)

1011
1011
1011
1011
1011
1011
1011
1011
1011
1012
1012
1012
1012
1013
1013
1014
1014
1014
1015
1015
1016
1016
1016
1017

Ozone (du)

295
297
296
296
296
296
297
297
299
301
300
300
300
300
300
301
302
302
303
304
305
308
311
313

Tuesday 4

Waning Gibbous 58%

23:05

12:22

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
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:12, Set: 20:16, Transit: 13:13. Moon - Rise: 23:05, Set: 12:22. Civil Dark: 20:45 - 05:42. Nautical Dark: 21:21 - 05:06. Astro Dark: 22:00 - 04:27

Total Clouds (% Sky Obscured)

99
99
94
88
82
82
87
88
85
81
76
78
77
75
81
77
78
76
73
66
59
52
50
51

Low Clouds (% Sky Obscured)

52
50
56
61
69
68
68
68
72
76
76
78
75
70
67
73
78
76
73
66
59
52
50
51

Medium Clouds (% Sky Obscured)

23
24
27
31
30
29
31
37
43
46
48
46
39
33
34
34
37
28
22
20
17
18
17
21

High Clouds (% Sky Obscured)

98
97
83
71
54
64
70
75
80
80
76
78
77
75
64
43
23
16
8
0
1
1
1
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

5
5
17
18
12
42
58
72
91
95
95
95
76
51
45
38
30
33
33
30
38
44
50
49

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.3
0.7
1
1.4
0.9
0.5
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

26
25
27
32
31
31
31
32
32
25
25
26
26
26
26
25
25
24
24
23
23
25
25
25

Dew Point (°C)

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

Relative Humidity (%)

58
54
51
53
57
60
68
78
88
89
91
92
89
88
88
87
88
88
88
85
84
75
68
61

Pressure (mb)

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

Ozone (du)

314
315
316
316
316
317
317
318
319
322
326
330
330
330
330
329
329
328
329
331
332
328
324
320

Wednesday 5

Third Quarter 46%

23:37

13:33

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 OK
02 OK
03 OK
04 OK
05 OK
06 OK
07 OK

Sun - Rise: 06:12, Set: 20:15, Transit: 13:13. Moon - Rise: 23:37, Set: 13:33. Civil Dark: 20:44 - 05:43. Nautical Dark: 21:20 - 05:07. Astro Dark: 21:59 - 04:29

Total Clouds (% Sky Obscured)

56
60
70
72
75
76
78
79
62
42
24
19
13
9
16
24
32
32
33
32

Low Clouds (% Sky Obscured)

56
60
65
63
62
64
66
68
57
42
24
19
13
9
16
24
32
30
28
24

Medium Clouds (% Sky Obscured)

25
26
18
13
8
11
13
14
7
3
0
0
0
0
1
2
4
2
1
0

High Clouds (% Sky Obscured)

0
0
0
0
0
6
14
22
15
7
0
0
0
0
0
1
1
5
9
13

ISS Passover

Visibility (miles)

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

Precipitation Type

Very Light Rain
Very Light Rain
None
None
None
Very Light Rain
Ice pellet
Ice pellet
Ice pellet
Ice pellet
Ice pellet
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

49
49
42
35
28
49
63
74
77
78
75
65
51
21
20
19
12
10
6
0

Precipitation Amount (mm)

0.2
0.3
0
0
0
0.2
0.4
0.6
0.5
0.3
0.2
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

25
26
26
32
31
31
30
30
30
27
27
28
28
27
27
27
26
26
26
26

Dew Point (°C)

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

Relative Humidity (%)

57
54
50
54
60
64
66
68
72
72
73
75
75
76
78
80
81
84
80
79

Pressure (mb)

1018
1017
1017
1017
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018

Ozone (du)

318
317
315
312
310
307
306
304
302
302
302
301
301
301
301
302
302
302
302
302

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

Generated: 30/07/26 12:22:18. Forecast: 30/07/26 to 05/08/26. Timezone: UTC-4.00