Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 27

Waxing Gibbous 74%

13:47

04:47

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

Sun - Rise: 06:56, Set: 19:27, Transit: 13:12. Moon - Rise: 13:47, Set: 04:47. Civil Dark: 19:53 - 06:29. Nautical Dark: 20:25 - 05:58. Astro Dark: 20:58 - 05:25

Total Clouds (% Sky Obscured)

100
100
100
99
100
100
100
100
100
100
95
35
18
53
38
64
73
72
33
3
0
0
0
0

Low Clouds (% Sky Obscured)

93
97
79
79
61
80
89
77
55
70
42
0
7
53
38
64
73
72
32
3
0
0
0
0

Medium Clouds (% Sky Obscured)

100
86
77
91
100
100
100
100
100
100
44
17
1
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

70
100
100
93
100
100
100
100
100
68
81
29
10
27
2
1
2
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

6
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

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

Precipitation Probability (%)

62
13
24
10
66
95
95
95
47
12
1
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.4
0
0
0
0.3
0.4
0.6
0.7
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

15
12
11
11
10
8
7
6
6
6
5
6
6
5
4
3
2
2
1
1
0
0
0
1

Feels Like (°C)

9
8
6
7
5
3
3
2
2
2
2
2
4
2
0
-0
-3
-3
-4
-3
-3
-3
-4
-5

Dew Point (°C)

13
10
8
6
2
-1
-0
-1
-2
-2
-2
-1
-1
-1
-2
-3
-5
-5
-7
-7
-6
-5
-8
-11

Relative Humidity (%)

89
84
79
70
58
52
59
59
57
60
59
61
62
66
64
65
59
59
56
57
62
67
53
41

Pressure (mb)

1015
1017
1017
1017
1018
1018
1019
1019
1019
1020
1021
1022
1022
1023
1023
1023
1024
1024
1025
1027
1028
1029
1030
1032

Ozone (du)

280
278
277
280
278
278
279
279
279
278
281
284
287
292
295
295
295
296
296
298
302
304
308
315

Saturday 28

Waxing Gibbous 84%

14:59

05:17

10 Good
11 Good
12 OK
13 OK
14 OK
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 OK
06 Bad
07 OK
08 OK
09 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)

0
3
14
33
16
2
2
1
0
0
0
0
1
2
6
7
8
6
11
27
53
38
30
34

Low Clouds (% Sky Obscured)

0
3
14
33
16
2
2
1
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
2
5
3
5
3
3
24
43
32
30
30

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
0
1
1
1
0
4
3
15
7
4
5

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)

13
12
13
13
12
12
12
11
10
7
4
4
3
4
4
3
2
2
2
3
4
4
4
7

Chance of Frost

Temperature (°C)

2
4
5
6
7
7
8
8
8
7
6
5
4
3
3
3
3
2
2
2
2
1
1
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

36
35
32
31
30
29
29
31
38
46
51
52
52
52
52
50
49
49
49
51
53
54
53
46

Pressure (mb)

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

Ozone (du)

324
334
348
354
358
367
372
374
372
367
368
373
378
382
390
398
394
392
389
384
381
378
378
376

Sunday 29

Waxing Gibbous 91%

16:09

05:42

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

80
88
80
32
35
53
71
100
100
100
47
46
75
97
100
100
46
73
86
83
92
97
97
93

Low Clouds (% Sky Obscured)

1
1
0
0
1
1
0
0
0
1
1
3
2
3
2
26
36
31
35
33
34
27
42
42

Medium Clouds (% Sky Obscured)

76
87
80
32
35
53
71
100
100
100
0
40
56
55
55
29
44
49
78
70
78
51
55
87

High Clouds (% Sky Obscured)

7
1
15
6
28
30
30
53
81
73
47
19
45
91
100
100
0
8
48
1
28
82
65
51

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
1
2

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

Chance of Frost

Temperature (°C)

6
9
10
12
13
14
14
14
14
13
12
11
10
9
9
8
8
8
8
8
8
8
9
10

Feels Like (°C)

2
3
4
6
8
9
9
10
10
9
8
7
6
7
6
4
5
4
4
4
4
4
5
6

Dew Point (°C)

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

Relative Humidity (%)

41
39
38
39
38
39
43
46
47
49
51
53
56
58
59
60
61
59
63
62
64
65
68
65

Pressure (mb)

1035
1034
1033
1032
1031
1030
1029
1028
1027
1027
1027
1028
1027
1027
1027
1027
1026
1026
1026
1025
1025
1025
1026
1025

Ozone (du)

370
367
363
360
354
349
345
343
340
339
340
340
339
338
334
331
330
329
329
329
329
329
328
326

Monday 30

Waxing Gibbous 96%

17:16

06:05

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 OK
07 Good
08 Good
09 Good

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)

88
90
91
95
97
98
100
85
67
50
69
84
88
87
92
100
94
100
91
70
31
12
10
7

Low Clouds (% Sky Obscured)

35
35
36
37
43
49
56
47
39
31
24
17
10
7
4
10
2
3
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

87
54
72
92
96
90
99
61
53
29
50
40
38
41
43
57
36
26
21
19
17
12
10
6

High Clouds (% Sky Obscured)

28
21
12
10
37
64
91
58
31
34
55
59
62
67
84
65
81
80
85
65
19
3
1
5

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
9
12
13
21
21
19
20
19
11
12
9
1
4
4
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
10
11
11
12
11
12
10
9
9
7
7
8
9
10
11
11
10
10
9
9
8
8
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
53
50
49
52
59
53
63
69
71
77
78
73
73
68
66
68
72
73
75
78
83
83
74

Pressure (mb)

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

Ozone (du)

325
325
324
323
323
324
325
325
325
324
325
325
325
325
324
323
324
324
326
325
326
326
326
325

Tuesday 31

Waxing Gibbous 99%

18:21

06:27

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

4
4
8
4
12
19
41
51
56
9
32
23
15
5
3
25
84
62
43
39
31
28
19
10

Low Clouds (% Sky Obscured)

0
0
0
0
8
15
21
14
7
0
0
0
0
0
0
0
0
0
0
14
29
28
19
10

Medium Clouds (% Sky Obscured)

3
3
8
2
7
11
16
12
30
1
10
3
0
0
0
0
15
8
3
2
2
1
3
2

High Clouds (% Sky Obscured)

4
4
6
2
5
4
35
50
17
5
32
5
0
0
0
25
73
46
23
23
21
17
19
10

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
39
30
10
10
9
4
6
5

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

17
20
21
22
24
24
25
24
22
20
20
19
18
18
17
17
15
15
15
15
15
15
15
16

Dew Point (°C)

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

Relative Humidity (%)

66
62
56
54
53
51
52
51
53
55
55
57
58
60
62
63
67
70
72
74
77
78
81
75

Pressure (mb)

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

Ozone (du)

325
326
327
328
329
330
331
332
332
332
331
332
330
327
325
324
324
324
325
325
324
324
323
324

Wednesday 1

Full Moon 100%

19:25

06:49

10 Good
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
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 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)

2
12
21
44
66
92
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98

Low Clouds (% Sky Obscured)

0
1
3
5
11
10
10
20
30
40
51
62
73
82
91
100
100
100
96
96
83
40
11
8

Medium Clouds (% Sky Obscured)

0
8
15
34
57
66
90
84
78
73
72
71
70
79
88
98
100
100
100
92
83
75
50
25

High Clouds (% Sky Obscured)

2
12
21
44
66
92
100
100
100
100
100
100
100
100
100
100
100
100
100
97
93
90
80
74

ISS Passover

Visibility (miles)

9
9
9
9
9
8
7
6
6
7
7
8
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
3
5
2
25
35
41
83
95
95
95
95
86
74
52
23
25
23
14
13
12
7
6
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.4
0.8
1.1
0.9
0.7
0.3
0.3
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

21
23
24
26
27
27
26
26
22
19
15
13
12
10
9
8
7
7
6
5
5
5
4
5

Feels Like (°C)

17
18
19
20
20
26
25
23
24
24
24
9
10
10
9
8
8
3
2
2
1
1
1
-0

Dew Point (°C)

15
16
16
16
16
17
16
16
16
15
14
11
9
7
6
5
3
3
2
1
-0
-1
-1
-2

Relative Humidity (%)

69
64
60
55
52
54
54
56
66
78
93
87
84
81
80
77
75
74
74
72
71
69
69
59

Pressure (mb)

1016
1016
1015
1014
1014
1013
1013
1013
1014
1015
1016
1018
1019
1021
1022
1023
1023
1024
1024
1025
1026
1027
1027
1028

Ozone (du)

325
326
324
322
319
320
321
321
322
322
323
325
326
328
331
334
337
341
344
347
348
349
349
348

Thursday 2

Waning Gibbous 99%

20:28

07:12

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
07 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)

97
97
97
97
98
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

11
21
25
30
45
50
60
75
95
100
100
100
100
100
100
100
100
100
100
100
100
100

Medium Clouds (% Sky Obscured)

4
5
4
3
15
26
37
51
68
85
83
82
85
82
80
86
75
69
70
74
79
91

High Clouds (% Sky Obscured)

54
6
1
0
7
14
25
36
49
50
40
50
65
57
49
24
18
17
11
6
5
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
7
6
4

Fog (%)

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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

1
2
1
0
1
3
3
4
4
1
4
6
7
18
27
35
48
59
67
71
74
77

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
1
1
2
7
7
7
7
7
8
6
6
6
7
7
7
3
3
3
4
4

Dew Point (°C)

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

Relative Humidity (%)

51
43
41
40
38
39
40
41
44
48
52
54
56
59
62
65
71
76
81
88
90
91

Pressure (mb)

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

Ozone (du)

346
345
344
343
343
340
338
336
336
336
335
336
336
336
336
335
334
333
332
331
332
333

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

Generated: 27/03/26 10:09:38. Forecast: 27/03/26 to 02/04/26. Timezone: UTC-4.00