Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 30

Waning Gibbous 99%

21:34

05:55

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

Sun - Rise: 05:44, Set: 20:38, Transit: 13:11. Moon - Rise: 21:34, Set: 05:55. Civil Dark: 21:10 - 05:12. Nautical Dark: 21:51 - 04:31. Astro Dark: 22:37 - 03:45

Total Clouds (% Sky Obscured)

34
26
31
26
11
11
45
44
0
20
8
5
20
13
8
23
22
24
70
72
68
40
64
82

Low Clouds (% Sky Obscured)

0
0
0
0
0
5
0
0
0
16
0
5
20
6
0
0
0
0
5
5
0
28
0
14

Medium Clouds (% Sky Obscured)

0
0
0
0
2
0
0
0
0
20
0
5
3
0
0
22
22
20
33
35
40
40
52
46

High Clouds (% Sky Obscured)

4
9
13
26
7
8
45
44
0
1
8
0
4
13
6
6
4
8
10
1
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
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

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
3
30
35
28
14
2
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
21
20
21
23
25
27
28
30
31
32
33
33
33
32
31
30
28
26
25
24
24
23
23

Feels Like (°C)

23
24
23
24
25
27
29
30
31
33
33
34
35
34
33
32
32
30
28
25
23
23
23
23

Dew Point (°C)

19
19
18
18
19
19
19
18
17
17
17
17
17
17
18
18
22
24
23
21
19
17
17
16

Relative Humidity (%)

86
88
88
84
74
67
61
53
47
43
40
38
37
38
41
45
61
82
84
80
74
67
66
63

Pressure (mb)

1020
1020
1021
1021
1021
1021
1021
1021
1020
1020
1019
1018
1018
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018

Ozone (du)

304
305
306
308
311
311
311
311
313
312
312
312
312
313
312
312
312
312
311
310
310
309
307
306

Wednesday 1

Waning Gibbous 95%

22:08

06:56

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

Sun - Rise: 05:45, Set: 20:38, Transit: 13:11. Moon - Rise: 22:08, Set: 06:56. Civil Dark: 21:10 - 05:12. Nautical Dark: 21:50 - 04:32. Astro Dark: 22:37 - 03:46

Total Clouds (% Sky Obscured)

59
52
39
60
57
45
36
31
23
0
21
32
36
47
36
19
31
22
10
0
0
0
0
0

Low Clouds (% Sky Obscured)

32
30
23
43
14
8
0
26
23
0
21
32
36
42
30
3
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

53
36
20
42
40
38
36
26
0
0
0
0
10
40
35
19
31
22
10
0
0
0
0
0

High Clouds (% Sky Obscured)

0
4
7
4
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)

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

Chance of Frost

Temperature (°C)

22
22
22
23
24
26
27
30
32
34
36
37
37
37
37
36
34
32
30
29
28
27
26
25

Feels Like (°C)

21
23
24
25
26
29
31
34
37
38
40
41
41
42
42
43
40
37
34
33
32
31
29
29

Dew Point (°C)

15
16
17
18
18
19
19
21
22
22
23
23
23
22
22
24
24
23
22
22
22
22
21
20

Relative Humidity (%)

62
67
72
74
69
65
61
59
56
51
47
44
42
40
42
50
56
56
62
66
70
72
72
72

Pressure (mb)

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

Ozone (du)

307
308
307
307
308
308
307
306
306
307
307
308
309
309
309
309
308
309
308
309
308
308
308
308

Thursday 2

Waning Gibbous 90%

22:37

08:00

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

Sun - Rise: 05:45, Set: 20:38, Transit: 13:11. Moon - Rise: 22:37, Set: 08:00. Civil Dark: 21:10 - 05:13. Nautical Dark: 21:50 - 04:32. Astro Dark: 22:37 - 03:47

Total Clouds (% Sky Obscured)

0
16
3
7
13
10
9
4
15
18
16
15
17
15
15
8
6
2
0
18
14
42
43
68

Low Clouds (% Sky Obscured)

0
16
3
0
0
0
0
0
15
0
0
0
0
0
0
0
1
1
0
1
1
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
4
9
9
8
4
0
18
16
15
17
15
15
8
6
2
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
6
5
4
0
0
0
0
18
14
42
43
68

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

Chance of Frost

Temperature (°C)

25
24
24
25
27
30
32
35
37
38
39
39
40
39
39
38
36
34
32
30
29
28
27
26

Feels Like (°C)

28
27
28
30
33
35
37
41
42
42
42
43
42
43
42
43
42
38
36
34
32
32
30
29

Dew Point (°C)

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

Relative Humidity (%)

74
78
79
76
68
61
53
48
43
38
36
34
33
34
36
47
52
55
59
62
64
67
69
68

Pressure (mb)

1016
1017
1017
1018
1018
1019
1018
1018
1018
1018
1017
1017
1016
1016
1016
1015
1016
1016
1017
1017
1017
1017
1017
1017

Ozone (du)

309
309
310
311
313
313
312
311
311
311
311
313
311
310
310
310
309
309
310
310
307
306
307
306

Friday 3

Waning Gibbous 88%

23:02

09:03

04 Bad
05 Bad
06 OK
07 Good
08 Good
09 OK
10 OK
11 OK
12 OK
13 OK
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

Sun - Rise: 05:46, Set: 20:37, Transit: 13:12. Moon - Rise: 23:02, Set: 09:03. Civil Dark: 21:10 - 05:14. Nautical Dark: 21:50 - 04:33. Astro Dark: 22:36 - 03:48

Total Clouds (% Sky Obscured)

85
83
32
8
3
6
5
14
27
18
46
56
79
81
83
84
88
94
100
98
98
98
97
69

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
6
8
5
10
24
0
1
4
1
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
2
3
10
17
49
22
23
84
85
14
45
61
9
40
4
4

High Clouds (% Sky Obscured)

85
83
32
8
3
5
2
10
26
10
43
40
66
73
75
75
80
92
100
86
97
98
97
45

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
8
9
9
7
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
Light Rain
Moderate Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
2
56
77
95
95
61
23
30
48
12
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
1.8
3.4
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
3
4
4
4
3
3
4
5
6
7
8
8
9
7
6
5
4
7
4
3
2
2

Chance of Frost

Temperature (°C)

26
25
26
27
28
30
33
36
37
39
40
40
40
40
38
36
35
34
32
30
29
28
27
26

Feels Like (°C)

28
27
28
30
31
35
37
40
42
42
43
42
41
41
38
37
36
35
34
30
31
31
30
30

Dew Point (°C)

20
20
21
21
20
21
21
22
22
23
23
22
21
26
32
34
33
31
29
27
27
26
25
25

Relative Humidity (%)

70
71
71
69
62
56
50
45
42
40
38
35
33
45
69
89
89
84
82
81
89
87
90
91

Pressure (mb)

1017
1017
1017
1018
1018
1018
1018
1018
1017
1017
1016
1015
1014
1013
1014
1015
1016
1016
1016
1016
1016
1015
1015
1015

Ozone (du)

306
307
309
310
308
308
308
307
307
308
308
309
308
305
304
301
304
305
305
305
303
304
304
305

Saturday 4

Waning Gibbous 83%

23:25

10:07

04 Bad
05 Bad
06 Bad
07 Bad
08 OK
09 OK
10 OK
11 OK
12 OK
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

Sun - Rise: 05:46, Set: 20:37, Transit: 13:12. Moon - Rise: 23:25, Set: 10:07. Civil Dark: 21:09 - 05:14. Nautical Dark: 21:50 - 04:34. Astro Dark: 22:36 - 03:49

Total Clouds (% Sky Obscured)

65
57
66
57
28
28
13
13
25
32
52
52
57
51
46
40
65
83
100
97
94
91
83
74

Low Clouds (% Sky Obscured)

0
0
0
1
2
0
8
2
4
6
1
2
2
5
4
3
2
2
1
1
1
0
0
0

Medium Clouds (% Sky Obscured)

2
0
5
18
11
27
12
4
9
14
23
12
1
10
20
34
55
75
90
78
65
54
52
49

High Clouds (% Sky Obscured)

43
41
66
57
25
13
0
11
22
32
52
52
57
51
45
35
65
83
100
90
81
72
58
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 (%)

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

Precipitation Probability (%)

0
0
4
8
11
0
0
0
1
1
30
30
26
81
95
95
64
53
20
17
11
1
6
7

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.5
0.4
0.4
0.3
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

26
25
26
27
28
30
33
35
36
38
39
38
37
37
36
34
34
32
31
29
29
28
27
27

Feels Like (°C)

30
29
30
29
31
34
36
38
40
41
42
41
40
39
43
47
52
31
30
29
28
28
27
28

Dew Point (°C)

25
24
25
25
25
24
24
25
25
25
24
22
21
20
24
27
32
31
29
28
27
26
26
25

Relative Humidity (%)

92
92
91
88
81
70
61
57
51
47
43
41
39
37
50
67
89
90
90
90
91
90
90
87

Pressure (mb)

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

Ozone (du)

305
304
304
305
306
307
307
307
308
308
309
309
309
310
309
308
307
308
308
308
307
306
305
305

Sunday 5

Waning Gibbous 75%

23:47

11:10

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
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 Bad

Sun - Rise: 05:47, Set: 20:37, Transit: 13:12. Moon - Rise: 23:47, Set: 11:10. Civil Dark: 21:09 - 05:15. Nautical Dark: 21:49 - 04:35. Astro Dark: 22:35 - 03:49

Total Clouds (% Sky Obscured)

63
73
82
92
91
89
85
67
52
39
50
56
63
75
89
100
95
89
84
80
76
71
55
37

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
5
9
14
11
8
4
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

49
33
16
0
1
3
4
14
23
32
21
11
2
13
27
46
35
20
0
0
0
0
0
0

High Clouds (% Sky Obscured)

32
53
71
89
89
88
85
67
52
39
50
42
31
51
75
99
93
87
84
80
76
71
55
35

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
7
4
1
2
3
3
5
7
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
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

5
8
6
0
23
34
40
39
33
21
49
61
67
95
95
95
92
65
24
29
30
28
24
17

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.2
0.4
0.3
0.6
1
1.4
0.8
0.4
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

27
26
27
28
29
29
30
30
32
33
35
34
34
33
32
32
31
29
28
27
26
26
25
25

Feels Like (°C)

28
28
28
28
28
30
30
28
30
31
33
40
39
38
39
40
39
30
30
31
31
31
31
28

Dew Point (°C)

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

Relative Humidity (%)

84
84
82
80
80
71
64
56
53
49
46
52
56
63
71
82
93
94
94
95
95
95
97
97

Pressure (mb)

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

Ozone (du)

306
306
307
308
308
308
308
308
309
309
309
309
308
308
310
311
313
313
313
313
313
313
313
315

Monday 6

Waning Gibbous 65%

00:10

12:15

Sun - Rise: 05:47, Set: 20:37, Transit: 13:12. Moon - Rise: 00:10, Set: 12:15. Civil Dark: 21:09 - 05:15. Nautical Dark: 21:49 - 04:35. Astro Dark: 22:35 - 03:50

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: 30/06/26 03:49:22. Forecast: 30/06/26 to 06/07/26. Timezone: UTC-4.00