Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 14

Waning Crescent 21%

05:05

14:35

00 OK
01 Good
02 Good
03 Good
04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good
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: 07:18, Set: 19:14, Transit: 13:16. Moon - Rise: 05:05, Set: 14:35. Civil Dark: 19:40 - 06:52. Nautical Dark: 20:11 - 06:21. Astro Dark: 20:43 - 05:49

Total Clouds (% Sky Obscured)

21
15
12
0
0
2
1
1
4
3
5
51
45
100
100
100
100
100
100
98
97
83
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
3
3

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
30
30
29
36
43
31
87
17

High Clouds (% Sky Obscured)

0
0
0
0
0
1
1
1
2
2
2
39
35
100
100
100
100
100
100
80
88
72
100
100

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
5
5
9
10
11
12
12
11
12
15
15
14
14
13
13
12
10
8
5
3
3
4
3

Chance of Frost

Temperature (°C)

10
9
8
6
7
6
6
5
5
6
6
7
9
10
10
11
11
11
11
10
9
9
7
6

Feels Like (°C)

6
5
5
3
2
2
1
0
0
1
1
2
2
3
4
4
5
6
6
7
6
6
4
3

Dew Point (°C)

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

Relative Humidity (%)

61
64
69
57
50
52
51
52
52
53
46
42
41
36
34
32
32
37
42
49
50
50
49
49

Pressure (mb)

1011
1011
1012
1012
1013
1014
1015
1016
1018
1019
1020
1021
1022
1022
1022
1022
1023
1023
1023
1024
1025
1026
1027
1027

Ozone (du)

376
377
375
373
366
365
361
358
356
359
360
362
364
364
365
366
367
368
368
367
368
367
362
359

Sunday 15

Waning Crescent 13%

05:38

15:42

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: 07:17, Set: 19:15, Transit: 13:16. Moon - Rise: 05:38, Set: 15:42. Civil Dark: 19:41 - 06:50. Nautical Dark: 20:12 - 06:19. Astro Dark: 20:44 - 05:47

Total Clouds (% Sky Obscured)

100
97
96
98
98
82
87
100
100
100
100
99
100
100
100
100
100
98
98
96
92
89
90
97

Low Clouds (% Sky Obscured)

3
0
0
0
0
0
0
0
1
40
40
53
58
63
58
34
52
62
65
55
70
52
72
82

Medium Clouds (% Sky Obscured)

85
57
91
98
86
66
35
26
10
30
0
21
36
1
0
1
0
0
0
49
17
71
70
74

High Clouds (% Sky Obscured)

100
69
91
90
92
42
77
100
100
100
100
95
100
100
100
100
99
71
91
44
49
47
30
46

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
7
5
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
Light Rain
Light Rain
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
25
80
95
63

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.7
1.1
0

Wind Speed/Direction (mph)

3
5
6
6
7
7
7
8
8
9
11
12
14
15
15
15
15
15
15
13
13
12
12
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
2
1
1
0
-0
-1
-1
-1
-1
1
3
4
5
7
8
9
8
8
8
7
7
7
6

Dew Point (°C)

-4
-4
-4
-4
-4
-4
-4
-4
-3
-3
-2
-1
-1
0
1
4
7
7
7
8
8
8
9
9

Relative Humidity (%)

51
51
53
55
54
57
60
61
63
60
56
53
47
45
46
50
60
62
66
72
76
80
90
95

Pressure (mb)

1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1027
1026
1025
1024
1022
1021
1020
1020
1019
1018
1018
1016
1015

Ozone (du)

349
347
346
346
344
342
342
344
343
342
340
339
337
337
337
337
336
334
334
332
332
332
330
330

Monday 16

Waning Crescent 7%

06:06

16:50

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 OK

Sun - Rise: 07:15, Set: 19:16, Transit: 13:15. Moon - Rise: 06:06, Set: 16:50. Civil Dark: 19:42 - 06:49. Nautical Dark: 20:14 - 06:17. Astro Dark: 20:45 - 05:46

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
78
53
14
8

Low Clouds (% Sky Obscured)

85
96
100
100
100
100
100
100
100
100
100
90
94
80
77
58
60
87
89
100
78
50
10
7

Medium Clouds (% Sky Obscured)

92
65
62
86
100
100
100
84
63
74
86
67
71
41
65
55
100
100
94
100
78
53
0
0

High Clouds (% Sky Obscured)

89
97
93
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
73
47
0
0

ISS Passover

Visibility (miles)

1
0
0
0
0
0
0
0
9
9
9
9
9
9
9
4
4
3
0
2
1
2
9
9

Fog (%)

0
0
0
0
0
0
21
27
0
0
2
100
97
36
1
1
1
1
1
1
1
1
1
1

Precipitation Type

Very Light Rain
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Heavy Rain
Light Rain
Light Rain
Light Rain
Sleet
Light Rain
None

Precipitation Probability (%)

65
42
33
31
27
9
3
23
76
67
91
95
95
74
69
95
95
95
95
95
95
71
63
36

Precipitation Amount (mm)

0.3
0
0
0
0
0
0
0
0.5
0.4
0.7
0.7
0.8
0.5
0.4
0.5
2.9
11.3
2
2
1.2
0.3
0.4
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
11
11
11
12
12
13
14
14
15
17
18
19
20
21
21
19
9
7
6
5
4
3

Feels Like (°C)

7
7
8
9
10
10
10
11
12
12
13
14
15
16
17
17
17
14
1
1
1
-2
-3
-4

Dew Point (°C)

10
10
11
11
11
11
12
13
14
13
14
15
15
16
17
17
17
15
8
6
5
3
-1
-2

Relative Humidity (%)

96
98
98
96
98
98
98
96
96
93
92
87
83
82
81
80
79
81
93
93
91
88
72
74

Pressure (mb)

1013
1011
1009
1008
1006
1005
1004
1003
1002
1001
1000
999
997
996
995
993
991
990
994
996
998
1000
1002
1004

Ozone (du)

328
326
328
326
324
323
323
321
322
323
322
322
322
322
323
326
329
330
333
339
343
348
355
357

Tuesday 17

Waning Crescent 2%

06:32

17:59

00 OK
01 OK
02 OK
03 Good
04 Good
05 OK
06 OK
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 OK
20 OK
21 Bad
22 Bad
23 Bad

Sun - Rise: 07:14, Set: 19:17, Transit: 13:15. Moon - Rise: 06:32, Set: 17:59. Civil Dark: 19:43 - 06:47. Nautical Dark: 20:15 - 06:16. Astro Dark: 20:46 - 05:44

Total Clouds (% Sky Obscured)

14
21
14
11
1
34
43
64
78
90
99
93
87
84
84
80
78
70
65
32
39
54
72
51

Low Clouds (% Sky Obscured)

14
21
14
7
0
22
43
64
77
87
98
88
79
72
66
62
57
46
37
28
19
9
0
0

Medium Clouds (% Sky Obscured)

0
0
2
2
0
0
0
0
7
13
20
13
7
0
0
0
0
0
0
0
14
27
42
28

High Clouds (% Sky Obscured)

0
1
1
3
0
12
3
0
0
0
0
0
0
0
0
0
0
0
0
0
11
19
29
22

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
8
8
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

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 (%)

16
0
0
0
0
0
0
0
0
0
6
2
2
2
3
2
1
3
1
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)

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

Chance of Frost

Temperature (°C)

1
0
-1
-2
-2
-3
-3
-3
-3
-2
-1
-1
0
1
1
1
1
1
-0
-1
-2
-2
-3
-3

Feels Like (°C)

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

Dew Point (°C)

-4
-4
-5
-7
-8
-8
-8
-9
-10
-11
-10
-12
-13
-14
-14
-13
-13
-13
-12
-12
-12
-12
-12
-12

Relative Humidity (%)

70
74
71
67
65
65
64
60
57
53
50
43
36
32
32
34
35
36
39
42
46
47
48
49

Pressure (mb)

1005
1007
1008
1009
1009
1010
1011
1012
1014
1015
1016
1016
1017
1017
1017
1018
1018
1019
1020
1022
1023
1024
1025
1026

Ozone (du)

365
367
371
374
373
377
384
388
392
396
399
403
407
417
425
448
461
469
476
476
479
477
469
459

Wednesday 18

New Moon 0%

06:56

19:08

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

Sun - Rise: 07:12, Set: 19:18, Transit: 13:15. Moon - Rise: 06:56, Set: 19:08. Civil Dark: 19:44 - 06:45. Nautical Dark: 20:16 - 06:14. Astro Dark: 20:47 - 05:42

Total Clouds (% Sky Obscured)

25
0
27
49
68
70
67
40
53
77
100
80
50
16
48
37
33
39
42
47
65
81
100
99

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
4
13
28

Medium Clouds (% Sky Obscured)

13
0
0
0
0
0
0
1
10
5
0
0
0
0
7
8
8
9
10
10
36
56
80
77

High Clouds (% Sky Obscured)

10
0
10
24
38
70
67
40
53
77
100
74
23
10
15
12
11
18
26
36
65
81
99
67

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
7
1
2
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

Precipitation Type

None
None
None
None
None
None
None
None
None
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
0
1
55
52
20
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
6
5
4
4
4
4
4
4
4
4
4
4
4
5
5
6
7
6
6
6
6
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-7
-7
-6
-7
-7
-7
-9
-9
-9
-8
-7
-5
-4
-1
1
1
1
2
1
2
2
-3
-3
-4

Dew Point (°C)

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

Relative Humidity (%)

51
50
50
50
50
50
49
48
43
34
34
35
32
31
30
29
30
31
35
40
47
49
51
52

Pressure (mb)

1027
1027
1028
1028
1028
1029
1030
1030
1031
1032
1033
1033
1032
1032
1031
1030
1029
1028
1028
1029
1029
1029
1029
1029

Ozone (du)

447
435
429
424
418
414
415
417
416
411
404
396
392
388
384
383
383
383
383
382
382
381
380
379

Thursday 19

Waxing Crescent 1%

07:20

20:20

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: 07:10, Set: 19:19, Transit: 13:15. Moon - Rise: 07:20, Set: 20:20. Civil Dark: 19:45 - 06:44. Nautical Dark: 20:17 - 06:13. Astro Dark: 20:48 - 05:41

Total Clouds (% Sky Obscured)

97
94
90
77
69
70
70
72
80
88
97
88
79
69
68
70
77
87
94
96
98
98
98
99

Low Clouds (% Sky Obscured)

44
50
30
0
0
0
0
0
0
0
0
0
0
0
13
27
43
39
45
74
97
97
95
91

Medium Clouds (% Sky Obscured)

72
77
75
61
58
60
63
52
50
37
25
14
9
5
1
1
0
0
0
0
0
1
7
9

High Clouds (% Sky Obscured)

35
2
2
1
0
0
0
0
24
49
73
49
23
0
0
0
0
0
0
0
1
2
3
11

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 (%)

1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1

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

Chance of Frost

Temperature (°C)

1
1
1
1
1
0
0
1
1
3
5
7
8
10
11
11
11
11
10
9
8
7
7
7

Feels Like (°C)

-5
-4
-5
-5
-5
-5
-5
-4
-4
-2
-1
0
1
2
3
9
9
9
9
9
9
5
5
5

Dew Point (°C)

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

Relative Humidity (%)

54
58
60
60
60
59
60
64
65
62
60
58
58
58
57
58
60
63
66
72
75
74
73
71

Pressure (mb)

1029
1029
1029
1029
1028
1028
1028
1028
1028
1028
1028
1028
1027
1026
1025
1025
1024
1023
1023
1023
1023
1023
1023
1023

Ozone (du)

380
381
381
383
385
387
387
386
385
385
384
384
383
383
382
383
383
383
380
377
374
375
375
376

Friday 20

Waxing Crescent 4%

07:45

21:34

Sun - Rise: 07:09, Set: 19:20, Transit: 13:14. Moon - Rise: 07:45, Set: 21:34. Civil Dark: 19:46 - 06:42. Nautical Dark: 20:18 - 06:11. Astro Dark: 20:50 - 05:39

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: 14/03/26 00:17:54. Forecast: 14/03/26 to 20/03/26. Timezone: UTC-4.00