Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 29

Waxing Gibbous 91%

16:09

05:42

11 Bad
12 Bad
13 OK
14 Good
15 OK
16 OK
17 OK
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

Sun - Rise: 06:53, Set: 19:29, Transit: 13:12. Moon - Rise: 16:09, Set: 05:42. Civil Dark: 19:56 - 06:26. Nautical Dark: 20:27 - 05:54. Astro Dark: 21:00 - 05:21

Total Clouds (% Sky Obscured)

54
47
36
6
20
25
41
82
100
100
100
100
100
100
100
100
100
75
83
91
72
91
99
97

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
0
0
0
3
5
52
67
0
1
24
4
5
36
60
60
66

Medium Clouds (% Sky Obscured)

54
47
12
4
9
5
13
24
98
100
100
96
100
100
100
82
92
75
83
46
30
70
99
94

High Clouds (% Sky Obscured)

2
7
2
2
16
24
10
65
100
100
100
100
81
96
100
100
100
30
40
45
15
3
55
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
4
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
1
33
34
17

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
11
13
15
15
15
13
13
11
10
10
11
11
11
12
11
11
11
11
10
10
10
10
10

Chance of Frost

Temperature (°C)

10
12
13
14
14
14
14
14
13
11
10
10
10
9
9
9
9
8
8
8
8
8
10
12

Feels Like (°C)

5
7
7
9
9
9
11
10
8
6
5
4
4
4
4
4
4
3
3
3
3
4
6
8

Dew Point (°C)

-4
-2
-2
-2
-2
-2
1
0
0
-2
-3
-3
-3
-3
-3
-3
-1
-1
0
1
2
4
6
10

Relative Humidity (%)

38
36
34
34
33
33
39
39
41
39
40
41
42
41
42
43
49
53
56
61
68
71
80
87

Pressure (mb)

1035
1034
1033
1032
1031
1029
1029
1029
1029
1029
1029
1028
1028
1028
1027
1027
1026
1026
1026
1026
1026
1026
1026
1026

Ozone (du)

352
347
345
339
337
335
331
326
323
320
320
319
319
318
318
319
321
323
323
322
319
319
319
321

Monday 30

Waxing Gibbous 96%

17:16

06:05

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
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:51, Set: 19:30, Transit: 13:11. Moon - Rise: 17:16, Set: 06:05. Civil Dark: 19:57 - 06:24. Nautical Dark: 20:28 - 05:52. Astro Dark: 21:01 - 05:20

Total Clouds (% Sky Obscured)

97
100
100
94
99
100
67
96
75
97
94
96
96
80
98
100
79
77
72
83
48
55
60
65

Low Clouds (% Sky Obscured)

65
78
83
63
38
94
29
29
56
76
72
63
48
55
36
36
1
4
5
2
0
0
0
0

Medium Clouds (% Sky Obscured)

79
93
28
76
81
79
29
94
30
42
33
40
67
46
73
70
64
64
61
73
42
35
50
47

High Clouds (% Sky Obscured)

80
98
26
5
34
45
15
8
2
12
2
25
41
55
55
100
42
30
30
15
4
20
46
38

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
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
Light Rain
Very Light Rain
None
None
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Very Light Rain
None
None
None
None

Precipitation Probability (%)

26
53
93
53
40
40
52
45
37
37
33
34
9
9
12
11
17
45
62
49
27
24
9
1

Precipitation Amount (mm)

0
0
1
0.2
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0.4
0.2
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
14
15
13
14
15
15
15
15
14
14
14
14
14
14
14
14
13
13
13
12
13
15
17

Feels Like (°C)

10
11
11
10
10
11
13
14
12
13
12
12
13
12
12
12
11
11
11
11
10
12
13
15

Dew Point (°C)

11
13
13
11
9
9
10
9
10
10
9
11
11
12
10
11
11
11
11
11
11
11
12
13

Relative Humidity (%)

87
89
89
90
75
67
70
68
71
75
74
78
82
83
79
83
82
84
84
90
92
90
82
76

Pressure (mb)

1025
1025
1024
1024
1023
1022
1022
1022
1022
1021
1021
1021
1021
1020
1020
1020
1020
1020
1020
1020
1021
1021
1021
1021

Ozone (du)

321
320
320
320
321
321
323
325
323
321
322
323
323
320
320
320
320
321
323
322
324
322
321
321

Tuesday 31

Waxing Gibbous 99%

18:21

06:27

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

Sun - Rise: 06:50, Set: 19:31, Transit: 13:11. Moon - Rise: 18:21, Set: 06:27. Civil Dark: 19:58 - 06:23. Nautical Dark: 20:29 - 05:51. Astro Dark: 21:02 - 05:18

Total Clouds (% Sky Obscured)

64
100
100
100
100
100
92
18
3
17
32
38
100
92
37
71
83
69
92
74
9
13
11
13

Low Clouds (% Sky Obscured)

0
0
0
20
39
39
31
0
3
0
0
0
0
0
0
0
0
0
0
0
0
2
4
8

Medium Clouds (% Sky Obscured)

35
33
27
31
11
28
35
7
0
17
0
0
0
1
0
0
5
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

20
100
100
100
100
100
85
18
3
2
28
38
100
91
37
71
83
69
92
74
7
8
7
6

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
1
2
2
3
1
0
0
1
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)

10
10
11
12
12
13
12
12
13
12
13
14
14
14
13
12
12
11
11
10
10
10
10
11

Chance of Frost

Temperature (°C)

19
21
23
24
25
25
25
25
24
22
21
20
20
19
18
18
18
17
17
16
16
16
19
21

Feels Like (°C)

18
19
21
22
22
23
22
23
21
20
19
18
17
16
16
17
16
16
16
14
14
15
18
20

Dew Point (°C)

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

Relative Humidity (%)

69
62
58
57
55
56
54
54
57
60
64
66
69
70
72
76
77
79
82
85
86
83
78
69

Pressure (mb)

1021
1020
1019
1018
1017
1017
1016
1016
1016
1015
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1017
1017
1018
1018

Ozone (du)

324
326
326
325
324
326
327
328
328
327
328
329
330
329
330
328
326
326
327
327
327
328
328
329

Wednesday 1

Full Moon 100%

19:25

06:49

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
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:48, Set: 19:32, Transit: 13:11. Moon - Rise: 19:25, Set: 06:49. Civil Dark: 19:59 - 06:21. Nautical Dark: 20:31 - 05:49. Astro Dark: 21:04 - 05:16

Total Clouds (% Sky Obscured)

36
59
90
94
93
99
95
95
92
95
98
100
99
98
98
94
66
61
62
90
86
87
100
100

Low Clouds (% Sky Obscured)

24
39
53
57
60
63
44
25
6
22
37
53
61
66
70
78
66
61
62
90
86
87
100
100

Medium Clouds (% Sky Obscured)

8
23
34
43
52
61
64
74
84
74
80
84
79
75
75
78
66
61
62
67
59
57
50
48

High Clouds (% Sky Obscured)

20
36
60
73
78
99
67
53
48
68
84
100
89
84
82
73
39
34
31
77
68
40
70
60

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
6
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

15
22
27
72
95
95
95
95
76
79
81
54
37
37
34
35
31
17
22
17
0
2
3
3

Precipitation Amount (mm)

0
0
0
0.4
0.8
1.3
1
0.6
0
0.3
0.5
0.3
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

23
24
25
26
25
24
23
21
20
18
17
15
15
14
14
13
12
11
11
12
12
12
13
13

Feels Like (°C)

22
23
25
24
23
22
21
21
18
16
16
15
15
14
13
13
12
11
11
12
12
12
12
11

Dew Point (°C)

15
15
15
16
15
13
12
12
11
10
12
13
13
12
11
11
9
8
8
9
10
10
10
8

Relative Humidity (%)

62
57
53
52
53
50
49
54
55
58
75
87
86
84
83
83
81
81
81
84
89
87
81
71

Pressure (mb)

1018
1018
1018
1018
1018
1017
1018
1018
1019
1020
1021
1022
1022
1023
1023
1023
1023
1023
1024
1024
1025
1025
1026
1026

Ozone (du)

327
326
324
322
320
319
319
320
320
319
318
318
320
322
323
324
323
324
324
323
323
323
324
324

Thursday 2

Waning Gibbous 99%

20:28

07:12

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
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:47, Set: 19:33, Transit: 13:10. Moon - Rise: 20:28, Set: 07:12. Civil Dark: 20:00 - 06:20. Nautical Dark: 20:32 - 05:47. Astro Dark: 21:05 - 05:14

Total Clouds (% Sky Obscured)

100
100
87
81
84
67
98
98
89
94
95
74
72
76
76
63
67
79
86
93
100
100
100
100

Low Clouds (% Sky Obscured)

100
100
87
81
84
67
98
98
89
94
95
74
72
76
76
63
67
79
86
93
100
100
90
92

Medium Clouds (% Sky Obscured)

56
57
53
42
31
21
15
11
5
3
2
0
22
43
65
8
7
5
6
7
8
19
26
24

High Clouds (% Sky Obscured)

57
63
13
7
39
13
11
35
55
50
51
6
4
5
6
24
40
54
63
71
78
75
82
97

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
4
2
4
5
3
4
3
2
2
2
0
2
2
2
1
1
0
3
4
3
12
16
18

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)

11
11
11
11
11
11
11
12
11
11
10
9
9
8
8
9
9
8
8
8
8
8
9
9

Chance of Frost

Temperature (°C)

14
16
17
18
19
19
18
18
18
18
16
16
16
15
15
15
17
17
17
16
15
15
16
16

Feels Like (°C)

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

Dew Point (°C)

7
7
6
6
6
7
6
9
10
10
9
9
10
9
9
10
12
12
13
12
12
12
12
12

Relative Humidity (%)

61
53
48
44
43
44
44
54
59
60
63
65
67
66
66
68
71
73
77
78
79
82
79
77

Pressure (mb)

1026
1026
1026
1025
1025
1024
1024
1024
1024
1024
1025
1025
1025
1024
1024
1024
1025
1025
1025
1025
1025
1025
1025
1025

Ozone (du)

324
325
326
326
325
325
325
327
326
327
328
328
327
327
325
325
324
323
322
322
322
322
324
326

Friday 3

Waning Gibbous 95%

21:32

07:39

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
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 06:45, Set: 19:34, Transit: 13:10. Moon - Rise: 21:32, Set: 07:39. Civil Dark: 20:01 - 06:18. Nautical Dark: 20:33 - 05:46. Astro Dark: 21:06 - 05:12

Total Clouds (% Sky Obscured)

96
93
83
78
59
50
65
81
100
100
100
100
100
100
100
100
100
100
95
90
85
90
95
100

Low Clouds (% Sky Obscured)

88
83
75
66
47
40
27
13
0
0
0
0
0
0
0
6
12
19
15
14
21
47
67
83

Medium Clouds (% Sky Obscured)

30
38
23
9
19
10
33
55
83
79
67
49
33
20
5
1
1
1
2
3
3
14
25
39

High Clouds (% Sky Obscured)

68
39
10
8
7
5
36
68
100
99
98
96
98
99
100
100
100
99
88
78
68
68
73
78

ISS Passover

Visibility (miles)

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

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 (%)

39
41
47
47
47
48
41
31
11
12
13
7
10
9
6
13
13
5
8
6
1
2
2
1

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
17
18
18
19
19
19
19
19
18
18
17
17
17
16
16
15
15
15
15
15
15
16
17

Feels Like (°C)

13
15
17
18
17
18
19
19
19
18
18
18
18
18
18
18
16
16
15
15
15
15
16
16

Dew Point (°C)

12
14
15
17
17
17
18
18
17
17
16
16
16
16
15
15
15
14
14
14
15
15
15
15

Relative Humidity (%)

74
79
85
90
89
91
91
91
92
92
92
92
92
93
93
93
95
95
96
96
96
96
95
92

Pressure (mb)

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

Ozone (du)

327
328
329
331
333
335
337
336
336
335
334
332
330
328
327
325
324
324
323
323
322
321
321
320

Saturday 4

Waning Gibbous 90%

22:35

08:09

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
07 Bad

Sun - Rise: 06:44, Set: 19:35, Transit: 13:10. Moon - Rise: 22:35, Set: 08:09. Civil Dark: 20:02 - 06:16. Nautical Dark: 20:34 - 05:44. Astro Dark: 21:07 - 05:11

Total Clouds (% Sky Obscured)

99
99
99
99
99
100
100
100
100
100
100
100
90
87
84
89
93
96
96
96
100

Low Clouds (% Sky Obscured)

78
78
80
73
74
74
61
44
33
35
36
38
44
50
63
70
64
54
54
59
59

Medium Clouds (% Sky Obscured)

40
39
38
33
28
23
18
12
7
6
6
6
20
29
49
32
20
6
13
20
32

High Clouds (% Sky Obscured)

65
54
44
63
81
99
98
98
100
100
100
100
85
64
20
12
8
2
0
0
0

ISS Passover

Visibility (miles)

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

Fog (%)

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

Precipitation Probability (%)

6
9
10
15
16
12
22
23
17
17
15
3
10
8
0
0
0
0
4
3
1

Precipitation Amount (mm)

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

Chance of Frost

Temperature (°C)

17
17
16
15
15
16
15
15
14
13
13
12
12
11
11
11
12
12
12
13
13

Feels Like (°C)

16
17
17
17
14
14
14
13
13
12
9
9
9
8
8
8
9
9
9
9
9

Dew Point (°C)

16
15
15
13
14
14
14
13
13
12
11
11
11
10
10
11
11
11
11
12
13

Relative Humidity (%)

90
90
92
92
90
89
89
89
90
90
90
92
92
93
93
95
95
96
96
96
96

Pressure (mb)

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

Ozone (du)

319
319
319
319
319
319
320
320
320
321
322
323
324
322
320
318
316
315
313
313
312

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

Generated: 29/03/26 10:45:04. Forecast: 29/03/26 to 04/04/26. Timezone: UTC-4.00