Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 28

Waxing Gibbous 84%

14:59

05:17

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

Sun - Rise: 06:55, Set: 19:28, Transit: 13:12. Moon - Rise: 14:59, Set: 05:17. Civil Dark: 19:54 - 06:28. Nautical Dark: 20:26 - 05:56. Astro Dark: 20:59 - 05:23

Total Clouds (% Sky Obscured)

40
31
0
0
0
0
8
9
9
0
1
0
0
0
0
0
0
6
5
8
13
5
17
20

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
7
7
7
0
1
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
3
2
4
8
5
7
11

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
3
0
7
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 (%)

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
8
13
13
13
12
12
12
12
12
11
9
7
4
3
3
3
3
2
2
2
2
3
3

Chance of Frost

Temperature (°C)

0
0
2
3
4
5
7
7
8
8
8
8
7
5
4
4
3
3
3
3
2
2
2
1

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

60
58
46
38
32
29
29
29
29
30
30
36
46
50
51
51
52
53
50
49
48
47
49
52

Pressure (mb)

1030
1031
1032
1033
1033
1033
1033
1032
1032
1031
1031
1032
1032
1033
1034
1034
1034
1034
1034
1035
1035
1034
1035
1035

Ozone (du)

296
302
304
312
323
338
345
347
357
363
366
361
360
365
371
373
376
381
383
382
382
377
374
371

Sunday 29

Waxing Gibbous 91%

16:09

05:42

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

21
12
27
73
69
63
41
58
65
45
50
99
64
54
50
46
47
75
59
44
27
74
85
98

Low Clouds (% Sky Obscured)

0
0
0
0
0
2
3
11
43
23
2
1
2
1
1
1
0
0
0
0
3
13
21
15

Medium Clouds (% Sky Obscured)

11
8
27
63
65
63
18
58
65
45
50
98
64
42
39
46
47
70
59
44
15
47
51
51

High Clouds (% Sky Obscured)

5
7
23
39
10
29
19
17
5
20
50
90
55
48
48
2
2
17
59
0
0
1
0
60

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
3
0
3
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)

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

Chance of Frost

Temperature (°C)

1
1
4
7
9
11
13
14
14
15
15
14
14
12
11
10
10
9
9
9
8
8
8
7

Feels Like (°C)

-1
-1
0
2
4
5
7
8
8
10
11
10
9
8
9
8
7
6
5
6
6
6
5
4

Dew Point (°C)

-7
-7
-7
-6
-5
-3
-2
-1
0
1
3
3
3
1
2
2
1
1
1
2
2
2
2
1

Relative Humidity (%)

56
54
46
41
37
36
37
36
38
39
43
45
47
49
53
56
56
58
59
61
63
64
66
65

Pressure (mb)

1035
1035
1035
1035
1034
1033
1032
1031
1030
1029
1028
1028
1028
1028
1028
1028
1028
1028
1027
1027
1026
1026
1026
1026

Ozone (du)

371
370
364
358
355
352
347
345
342
339
337
335
336
335
334
333
332
330
330
331
329
329
327
326

Monday 30

Waxing Gibbous 96%

17:16

06:05

07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
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: 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)

99
100
89
96
94
95
84
89
89
77
85
34
74
67
51
73
97
100
99
93
83
72
63
55

Low Clouds (% Sky Obscured)

26
46
30
45
43
76
69
40
45
59
25
34
48
50
16
38
68
47
44
42
24
3
2
3

Medium Clouds (% Sky Obscured)

61
80
63
63
81
92
78
89
76
54
75
4
49
34
24
24
25
26
34
34
36
40
31
38

High Clouds (% Sky Obscured)

49
71
8
74
47
3
2
3
2
1
1
1
0
0
15
70
86
91
85
54
28
2
1
1

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
22
19
19
13
10
3
2
15
7
1
2
0
0
0
0
0
0
2
9
12
11
11
7

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

Chance of Frost

Temperature (°C)

8
9
10
11
12
15
16
17
18
18
19
19
18
18
17
17
16
16
16
16
15
15
14
14

Feels Like (°C)

4
5
6
8
9
11
12
13
14
15
16
17
15
14
14
13
13
13
12
12
12
11
12
12

Dew Point (°C)

1
2
2
1
3
4
5
5
6
9
9
10
10
9
9
8
9
9
9
9
10
9
10
10

Relative Humidity (%)

62
63
58
50
52
47
47
44
44
52
50
53
57
56
57
58
62
61
62
64
68
69
75
79

Pressure (mb)

1026
1026
1026
1026
1025
1025
1024
1023
1022
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

327
326
327
326
326
327
326
324
323
324
324
324
321
317
317
318
318
318
317
318
320
322
324
325

Tuesday 31

Waxing Gibbous 99%

18:21

06:27

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

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)

46
45
47
48
60
80
100
99
98
98
80
65
44
13
4
3
14
23
42
44
29
30
27
34

Low Clouds (% Sky Obscured)

5
5
5
6
4
2
0
2
4
5
4
2
0
0
0
0
0
0
0
0
0
0
13
27

Medium Clouds (% Sky Obscured)

31
32
33
33
34
37
33
30
25
21
16
29
18
3
1
0
0
0
0
0
1
0
10
19

High Clouds (% Sky Obscured)

0
2
4
5
33
63
99
98
97
96
80
65
14
11
3
3
10
14
31
39
19
30
16
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 (%)

1
1
0
0
0
0
0
0
0
1
2
2
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)

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

Chance of Frost

Temperature (°C)

14
14
16
18
19
21
22
24
24
25
25
24
23
22
21
21
20
20
19
19
18
18
17
17

Feels Like (°C)

12
12
14
16
18
19
20
20
21
22
21
21
20
19
19
18
18
17
17
16
15
16
14
16

Dew Point (°C)

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

Relative Humidity (%)

83
82
77
66
60
56
54
53
52
53
53
56
56
55
65
68
69
71
72
73
76
78
82
85

Pressure (mb)

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

Ozone (du)

324
325
324
323
325
324
324
324
324
323
324
326
328
329
329
329
328
328
329
329
330
328
328
329

Wednesday 1

Full Moon 100%

19:25

06:49

07 OK
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: 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)

40
48
50
82
92
96
100
100
100
100
100
100
100
99
97
97
99
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

40
48
50
62
60
58
60
65
68
74
73
72
72
80
88
96
98
99
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

23
21
19
20
61
66
74
74
72
69
80
90
100
99
97
91
92
96
97
96
95
95
93
92

High Clouds (% Sky Obscured)

2
10
11
62
79
90
100
100
100
100
100
100
100
95
89
84
89
94
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
5
8
6
4
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
Very Light Rain
Light Rain
Very Light Rain
Light Rain
Light Rain
None
Very Light Rain
Light Rain
Very Light Rain
None
Very Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
2
20
59
63
70
95
95
59
69
76
75
53
78
64
54
38
46
52
57
50
41

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.4
0.3
0.8
1.2
0
0.3
0.4
0.3
0
0.3
0.3
0.2
0
0
0
0.2
0
0

Wind Speed/Direction (mph)

11
10
10
10
10
10
11
11
11
12
11
9
8
6
7
8
9
9
9
9
9
9
10
9

Chance of Frost

Temperature (°C)

17
17
19
20
22
22
22
20
18
14
12
11
11
11
10
9
9
8
8
7
7
6
6
6

Feels Like (°C)

15
16
18
19
19
20
20
18
16
10
9
8
9
9
8
9
8
7
8
7
4
3
3
3

Dew Point (°C)

15
15
15
15
16
15
15
15
14
12
10
8
7
7
5
4
3
2
2
1
0
-0
-1
-2

Relative Humidity (%)

87
86
81
74
66
61
64
72
78
87
86
80
75
77
73
70
68
67
64
63
63
63
61
58

Pressure (mb)

1015
1016
1016
1017
1017
1017
1018
1018
1019
1020
1021
1021
1022
1023
1024
1025
1026
1026
1026
1026
1027
1027
1028
1028

Ozone (du)

328
327
327
326
324
323
324
324
325
326
328
331
334
336
337
339
340
340
339
338
337
336
335
334

Thursday 2

Waning Gibbous 99%

20:28

No Set

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: 06:47, Set: 19:33, Transit: 13:10. Moon - Rise: 20:28, Set: No Set. Civil Dark: 20:00 - 06:20. Nautical Dark: 20:32 - 05:47. Astro Dark: 21:05 - 05:14

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
93
82
71
78
86
94
84
74
64
76
88
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

100
97
94
91
89
89
90
85
80
71
72
71
83
63
44
25
33
41
49
65
79
92
95
97

Medium Clouds (% Sky Obscured)

90
82
74
67
73
76
71
62
60
50
47
50
54
53
52
57
70
69
61
72
85
100
100
100

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
68
36
4
13
14
15
10
0
0
33
67
100
98
95
93
91
88

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
3
1
0
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
0
0
0

Precipitation Type

None
None
None
None
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

Precipitation Probability (%)

27
21
15
1
8
9
5
18
22
24
29
28
23
27
25
24
29
34
36
79
95
95
95
95

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.8
1.1
1.2
1.2

Wind Speed/Direction (mph)

9
9
9
9
9
9
10
10
10
10
9
9
9
9
9
9
10
10
9
9
9
9
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

3
3
2
1
2
2
2
2
3
3
3
3
3
3
1
1
1
1
1
1
2
2
2
2

Dew Point (°C)

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

Relative Humidity (%)

55
52
50
49
49
51
53
55
62
70
76
81
83
90
91
93
93
94
94
94
96
96
96
96

Pressure (mb)

1028
1029
1029
1030
1031
1030
1030
1030
1030
1030
1029
1030
1030
1030
1030
1030
1031
1030
1030
1030
1029
1029
1028
1028

Ozone (du)

333
331
330
329
328
328
329
329
329
330
330
330
329
329
330
331
332
332
332
332
333
333
333
335

Friday 3

Waning Gibbous 95%

21:32

07:12

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

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

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

99
99
99
100
100
100
100
91
82
75
58
32
13
13
13
12
7
3
2

High Clouds (% Sky Obscured)

89
89
91
94
96
98
100
76
52
27
23
19
19
52
83
100
98
96
93

ISS Passover

Visibility (miles)

0
0
0
0
0
2
4
6
7
8
9
9
9
9
6
3
0
0
0

Fog (%)

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

Precipitation Probability (%)

95
95
95
95
95
91
53
39
26
0
4
3
1
5
5
2
9
8
2

Precipitation Amount (mm)

1.3
1.4
1.4
1.5
1.1
0.7
0.2
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
3
3
3
3
3
2
8
8
8
8
9
10
8
8
7
7
8

Dew Point (°C)

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

Relative Humidity (%)

98
98
98
98
96
94
93
91
93
91
91
91
95
98
98
98
98
98
98

Pressure (mb)

1028
1028
1029
1029
1029
1029
1028
1028
1028
1027
1027
1027
1027
1027
1027
1028
1028
1028
1027

Ozone (du)

337
339
338
338
337
339
341
343
343
342
342
339
336
334
334
335
335
333
332

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

Generated: 28/03/26 06:33:41. Forecast: 28/03/26 to 03/04/26. Timezone: UTC-4.00