Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 24

Waxing Gibbous 60%

12:51

02:49

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

Sun - Rise: 06:16, Set: 19:54, Transit: 13:05. Moon - Rise: 12:51, Set: 02:49. Civil Dark: 20:23 - 05:48. Nautical Dark: 20:57 - 05:13. Astro Dark: 21:34 - 04:37

Total Clouds (% Sky Obscured)

45
34
28
52
73
84
42
45
38
29
65
56
57
78
81
33
99
100
49
95
73
69
95
99

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
6
2
46
43
29
48
45
17
70
80
21
41
60
3
15
16

Medium Clouds (% Sky Obscured)

11
8
1
0
2
4
6
8
26
16
21
14
36
62
59
13
92
100
15
71
66
69
63
98

High Clouds (% Sky Obscured)

9
10
25
29
73
83
31
35
1
0
0
0
4
2
12
3
72
62
48
63
8
5
70
53

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
5
2
9
5
2
7
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
6
39
53
37
40
47
95
95
95
95
95
49
5
2
16

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
1.1
0.8
0.9
0.7
0.5
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

17
17
16
16
16
16
16
16
18
21
23
23
23
24
25
26
27
26
22
20
19
17
17
16

Feels Like (°C)

17
17
16
15
15
17
15
15
17
22
24
23
23
25
25
26
28
26
21
22
19
17
16
15

Dew Point (°C)

14
14
13
12
13
13
13
13
14
16
16
15
15
15
16
15
22
22
20
18
18
16
16
16

Relative Humidity (%)

81
82
82
80
81
82
83
82
76
69
64
60
59
57
56
53
76
81
91
88
92
93
95
96

Pressure (mb)

1011
1010
1010
1009
1009
1009
1009
1009
1010
1010
1010
1010
1010
1009
1009
1008
1008
1008
1008
1009
1009
1009
1009
1009

Ozone (du)

354
355
353
354
354
356
355
356
356
355
355
353
352
351
350
351
352
352
354
354
355
355
355
354

Saturday 25

Waxing Gibbous 71%

14:01

03:21

00 Bad
01 Bad
02 Bad
03 Bad
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

Sun - Rise: 06:15, Set: 19:55, Transit: 13:05. Moon - Rise: 14:01, Set: 03:21. Civil Dark: 20:24 - 05:46. Nautical Dark: 20:58 - 05:12. Astro Dark: 21:35 - 04:35

Total Clouds (% Sky Obscured)

100
89
100
91
48
74
93
96
99
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

72
33
33
18
47
74
76
85
89
86
84
76
75
81
63
70
79
79
90
93
92
99
100
100

Medium Clouds (% Sky Obscured)

87
48
88
62
48
74
93
89
96
88
98
98
100
82
55
84
96
100
100
54
90
96
69
47

High Clouds (% Sky Obscured)

96
49
50
66
46
10
4
3
14
33
99
92
100
96
58
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
7
9
9
9
1
0
0
0
0
4
8
1
4
5
9
9
9
9
9
2
8
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
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

19
23
13
12
3
11
14
7
8
24
43
68
94
84
68
69
44
27
38
33
29
34
8
20

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0.3
0.7
0.6
0.2
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

16
16
14
13
12
11
10
10
11
12
13
14
14
13
13
13
13
13
12
11
10
10
9
9

Feels Like (°C)

16
15
14
12
10
9
8
8
10
10
11
12
13
12
12
12
11
10
9
9
7
7
7
6

Dew Point (°C)

16
15
14
13
12
10
10
9
11
12
13
13
14
13
12
13
12
11
11
10
10
9
9
8

Relative Humidity (%)

96
95
95
96
96
95
96
96
96
98
96
95
96
95
93
95
93
92
92
93
95
95
96
95

Pressure (mb)

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

Ozone (du)

353
352
350
350
350
349
349
351
351
352
351
352
353
353
351
350
348
347
347
346
346
349
349
353

Sunday 26

Waxing Gibbous 80%

15:08

03:47

00 Bad
01 Bad
02 Bad
03 Bad
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 OK
23 OK

Sun - Rise: 06:13, Set: 19:56, Transit: 13:05. Moon - Rise: 15:08, Set: 03:47. Civil Dark: 20:25 - 05:45. Nautical Dark: 20:59 - 05:10. Astro Dark: 21:36 - 04:33

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
86
78
69
75
69
68
73
72
74
69
67
64
59
47
25

Low Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
86
78
69
75
69
68
73
72
71
69
64
64
56
44
25

Medium Clouds (% Sky Obscured)

39
85
39
25
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

30
21
31
30
33
100
100
35
18
5
2
1
0
0
0
0
0
0
0
14
20
1
0
0

ISS Passover

Visibility (miles)

7
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 (%)

20
11
22
27
23
27
17
7
0
0
0
2
15
1
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)

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

Chance of Frost

Temperature (°C)

9
9
8
7
7
7
7
7
7
7
8
10
12
13
14
14
15
15
14
14
13
12
11
11

Feels Like (°C)

6
5
4
4
4
3
3
4
3
4
5
7
9
10
12
12
12
12
12
12
11
10
9
8

Dew Point (°C)

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

Relative Humidity (%)

96
95
95
93
93
93
93
93
91
91
87
81
73
68
64
63
67
69
70
71
74
75
75
73

Pressure (mb)

1014
1015
1015
1016
1016
1017
1018
1019
1020
1020
1020
1021
1020
1020
1020
1020
1020
1020
1020
1021
1022
1022
1023
1023

Ozone (du)

354
358
359
360
363
366
368
367
369
370
372
375
375
375
376
379
379
379
376
376
375
375
373
369

Monday 27

Waxing Gibbous 88%

16:13

04:10

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

Sun - Rise: 06:12, Set: 19:57, Transit: 13:05. Moon - Rise: 16:13, Set: 04:10. Civil Dark: 20:26 - 05:43. Nautical Dark: 21:01 - 05:09. Astro Dark: 21:38 - 04:31

Total Clouds (% Sky Obscured)

11
0
0
0
2
18
2
2
2
1
14
40
49
61
62
54
51
47
48
45
32
37
26
19

Low Clouds (% Sky Obscured)

11
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
1
14
2
2
2
1
14
40
49
61
62
54
51
47
48
45
32
37
20
12

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

Chance of Frost

Temperature (°C)

10
8
7
7
7
6
6
7
8
10
12
14
15
16
17
18
18
18
17
15
13
12
11
10

Feels Like (°C)

8
8
6
6
5
5
3
6
7
9
10
11
11
13
13
14
14
14
13
12
10
9
8
7

Dew Point (°C)

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

Relative Humidity (%)

72
74
74
74
74
75
76
76
66
59
51
47
47
45
43
42
43
44
50
56
62
65
67
68

Pressure (mb)

1024
1024
1024
1024
1024
1025
1025
1026
1026
1027
1027
1027
1026
1026
1025
1025
1024
1024
1024
1024
1024
1025
1025
1025

Ozone (du)

366
364
364
364
362
360
358
357
356
355
354
354
352
351
352
352
351
351
351
350
349
348
350
352

Tuesday 28

Waxing Gibbous 94%

17:16

04:32

00 Good
01 Good
02 OK
03 Bad
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

Sun - Rise: 06:11, Set: 19:58, Transit: 13:04. Moon - Rise: 17:16, Set: 04:32. Civil Dark: 20:27 - 05:42. Nautical Dark: 21:02 - 05:07. Astro Dark: 21:39 - 04:30

Total Clouds (% Sky Obscured)

13
7
31
51
68
57
100
100
100
100
100
100
100
100
100
100
100
99
98
97
91
88
85
88

Low Clouds (% Sky Obscured)

0
0
0
0
0
12
24
36
37
39
39
30
20
11
51
71
91
81
70
59
53
60
77
79

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
30
63
100
95
90
85
51
74
100
78
57
35
27
14
0
7

High Clouds (% Sky Obscured)

9
7
15
26
40
44
100
100
100
100
100
100
100
100
100
100
100
91
80
64
32
13
4
33

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
4
6
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
12
19
26
53
76
95
95
88
69
54
38
4
16

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.6
0.7
0.6
0.4
0.2
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

9
8
7
6
6
6
6
6
8
10
11
13
15
16
17
16
15
13
13
13
13
13
13
12

Feels Like (°C)

7
7
6
5
5
5
4
3
5
7
8
10
11
12
13
14
14
13
12
12
11
10
10
9

Dew Point (°C)

4
5
5
5
4
4
5
5
6
7
6
5
5
5
6
9
11
12
12
11
11
12
12
12

Relative Humidity (%)

73
81
87
88
90
91
93
93
85
80
70
58
51
47
49
61
75
92
92
90
90
92
93
95

Pressure (mb)

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

Ozone (du)

348
347
344
341
340
337
336
336
337
336
337
339
337
338
337
338
339
340
341
342
343
346
348
351

Wednesday 29

Waxing Gibbous 98%

18:18

04:53

00 Bad
01 Bad
02 Bad
03 Bad
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

Sun - Rise: 06:10, Set: 19:59, Transit: 13:04. Moon - Rise: 18:18, Set: 04:53. Civil Dark: 20:28 - 05:41. Nautical Dark: 21:03 - 05:06. Astro Dark: 21:41 - 04:28

Total Clouds (% Sky Obscured)

94
100
100
99
99
96
93
90
94
97
100
100
100
100
91
83
79
89
96
97
99
99
99
99

Low Clouds (% Sky Obscured)

81
79
74
68
74
78
83
87
66
45
24
24
23
23
26
28
34
24
28
62
85
78
68
63

Medium Clouds (% Sky Obscured)

13
10
3
3
0
1
2
8
30
40
40
51
71
96
90
81
71
74
76
79
65
51
41
35

High Clouds (% Sky Obscured)

67
100
96
93
89
76
64
51
67
84
100
100
100
100
72
54
70
89
90
90
80
75
55
36

ISS Passover

Visibility (miles)

6
3
0
0
0
0
0
0
0
3
6
9
9
9
9
7
6
4
6
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
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

18
22
19
15
7
8
7
3
7
8
4
35
52
61
71
66
67
80
86
80
74
66
56
50

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0.4
0.2
0.2
0.4
0.4
0.3
0.3
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

9
10
10
11
11
11
11
11
11
13
14
15
15
15
15
17
16
16
16
16
17
15
15
15

Dew Point (°C)

12
12
12
12
13
12
13
13
13
14
14
14
15
15
15
16
16
16
16
15
14
14
13
13

Relative Humidity (%)

95
96
98
98
98
98
100
98
98
95
92
89
92
92
93
93
95
96
93
93
92
95
95
96

Pressure (mb)

1017
1017
1017
1016
1016
1015
1016
1016
1016
1015
1015
1015
1014
1013
1012
1011
1010
1010
1010
1010
1010
1010
1010
1011

Ozone (du)

354
357
359
359
359
359
359
359
360
359
358
357
356
355
354
353
351
350
351
351
351
354
357
359

Thursday 30

Waxing Gibbous 99%

19:21

05:16

Sun - Rise: 06:08, Set: 20:00, Transit: 13:04. Moon - Rise: 19:21, Set: 05:16. Civil Dark: 20:29 - 05:39. Nautical Dark: 21:04 - 05:04. Astro Dark: 21:42 - 04:26

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: 24/04/26 00:40:06. Forecast: 24/04/26 to 30/04/26. Timezone: UTC-4.00