Clear Outside v1.0 - International Weather Forecasts For Astronomers

Tuesday 17

Waning Crescent 2%

06:32

17:59

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

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)

83
70
60
32
31
20
9
18
38
43
59
79
87
87
89
100
98
63
89
84
34
30
12
24

Low Clouds (% Sky Obscured)

15
25
17
22
23
13
6
14
14
43
59
79
85
86
77
69
73
38
73
84
30
27
10
15

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
16
20
16
30
27
23
42
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
1
0
1
0
1
16
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
5
9
9
7
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
3
24
9
10
9
7
4
7
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
76
77
77
75
71
74
78
71
64
62
57
53
54
50
48
51
56
61
70
67
62
63
63

Pressure (mb)

1005
1006
1007
1008
1010
1012
1013
1014
1015
1016
1017
1017
1016
1016
1016
1016
1017
1018
1019
1021
1023
1023
1024
1025

Ozone (du)

372
368
364
366
370
372
377
378
382
389
396
405
415
418
419
422
428
435
447
456
461
457
441
432

Wednesday 18

New Moon 0%

06:56

19:08

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

16
78
78
87
100
100
100
99
88
97
72
51
31
16
26
32
21
20
21
20
43
65
73
61

Low Clouds (% Sky Obscured)

9
18
19
21
0
0
0
0
0
2
1
1
8
8
5
1
0
0
0
0
0
1
7
2

Medium Clouds (% Sky Obscured)

0
0
4
4
60
88
83
92
57
48
45
41
25
5
23
23
21
20
21
20
13
25
57
61

High Clouds (% Sky Obscured)

0
55
50
68
100
100
100
97
75
46
50
11
2
3
3
2
1
0
0
6
32
49
46
30

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
3
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-4
-4
-6
-6
-6
-6
-6
-6
-6
-4
-5
-3
-1
1
1
2
2
1
1
-1
-2
-3
-4
-4

Dew Point (°C)

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

Relative Humidity (%)

64
67
66
66
67
65
60
58
48
39
34
31
30
30
28
28
29
34
45
52
54
56
57
60

Pressure (mb)

1025
1026
1026
1027
1028
1029
1030
1030
1030
1030
1030
1030
1030
1029
1028
1028
1027
1027
1027
1027
1028
1028
1027
1027

Ozone (du)

423
416
412
410
411
417
419
420
417
413
409
405
403
401
400
400
400
398
394
392
390
388
386
384

Thursday 19

Waxing Crescent 1%

07:20

20:20

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
00 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)

85
82
98
99
90
91
92
90
91
95
84
86
74
64
75
99
92
82
90
93
96
100
82
63

Low Clouds (% Sky Obscured)

5
10
21
23
49
45
61
48
32
38
35
35
19
18
33
43
61
60
52
62
53
41
23
12

Medium Clouds (% Sky Obscured)

84
80
68
55
76
81
88
79
91
92
74
71
45
32
18
46
7
56
65
57
85
53
39
40

High Clouds (% Sky Obscured)

24
11
23
70
5
1
2
30
6
1
2
10
3
14
16
52
15
10
69
75
69
77
55
30

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

Chance of Frost

Temperature (°C)

1
0
1
1
1
1
1
1
2
4
5
7
8
10
11
12
12
11
10
9
8
8
7
7

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
69
71
74
75
73
75
75
63
53
48
47
45
46
46
46
48
56
62
67
69
69
69
69

Pressure (mb)

1027
1027
1026
1025
1025
1025
1025
1025
1025
1025
1025
1024
1024
1023
1021
1021
1020
1020
1020
1021
1021
1021
1021
1021

Ozone (du)

384
387
388
390
393
393
392
391
392
391
390
388
389
389
389
389
389
388
386
384
384
384
385
387

Friday 20

Waxing Crescent 4%

07:45

21:34

01 OK
02 Bad
03 Bad
04 Bad
05 Bad
06 OK
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

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)

45
49
49
50
50
40
29
60
80
100
87
76
69
81
89
98
99
97
100
99
100
100
96
91

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
5
10
11
17
20
18
15
11
25
39
53
42
31

Medium Clouds (% Sky Obscured)

28
41
28
50
50
40
25
43
62
80
64
49
38
57
62
62
56
82
100
99
95
96
93
87

High Clouds (% Sky Obscured)

6
10
10
10
15
0
0
20
42
57
67
73
69
79
88
28
98
86
100
48
45
100
85
73

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
1
2
1
7
14
21
37
41

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
4
4
4
3
3
3
3
3
3
4
4
5
5
5
5
5
4
3
4
4
3
3
3

Chance of Frost

Temperature (°C)

6
6
6
5
5
5
5
5
7
9
10
12
13
14
16
17
17
16
15
14
13
13
12
11

Feels Like (°C)

3
3
2
2
2
2
2
5
5
7
8
10
11
12
14
15
15
15
14
12
11
11
9
9

Dew Point (°C)

2
1
1
1
1
2
2
2
3
5
6
7
7
8
9
9
10
10
10
10
9
8
7
7

Relative Humidity (%)

72
72
74
75
76
79
82
80
74
74
74
71
69
66
63
61
62
67
75
76
75
75
75
76

Pressure (mb)

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

Ozone (du)

388
387
386
385
384
382
383
385
388
393
394
394
395
397
395
395
396
395
391
389
390
390
391
390

Saturday 21

Waxing Crescent 10%

08:14

22:50

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
00 Bad

Sun - Rise: 07:07, Set: 19:21, Transit: 13:14. Moon - Rise: 08:14, Set: 22:50. Civil Dark: 19:47 - 06:41. Nautical Dark: 20:19 - 06:09. Astro Dark: 20:51 - 05:37

Total Clouds (% Sky Obscured)

88
92
97
100
92
85
74
80
90
100
100
99
98
98
96
96
97
98
99
97
95
92
95
98

Low Clouds (% Sky Obscured)

20
24
29
36
33
29
26
44
68
90
86
82
78
0
0
0
0
0
0
4
29
57
48
39

Medium Clouds (% Sky Obscured)

70
90
83
93
81
66
40
47
42
36
54
71
88
68
58
45
41
38
34
28
18
13
10
5

High Clouds (% Sky Obscured)

65
12
74
100
60
76
69
16
87
48
41
40
68
59
44
28
27
30
36
63
82
92
95
98

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 (%)

40
51
54
51
41
32
14
10
6
0
2
4
1
7
13
17
24
25
24
25
21
8
2
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
3
2
2
3
3
3
4
5
7
9
9
9
10
11
9
7
6
6
6
6
6
6
6

Chance of Frost

Temperature (°C)

10
10
10
10
9
9
8
8
9
10
12
12
13
14
17
17
17
17
16
15
15
14
14
13

Feels Like (°C)

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

Dew Point (°C)

6
6
6
6
5
5
5
6
5
5
5
6
6
6
9
10
12
12
12
13
12
12
11
11

Relative Humidity (%)

76
80
77
76
76
77
81
82
76
71
65
68
62
58
61
65
70
74
79
86
86
87
86
89

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1015
1014
1014
1008
1007
1006
1007
1007
1007
1008
1008
1008
1008

Ozone (du)

390
392
391
385
382
379
376
374
370
367
365
363
360
360
358
356
354
352
350
348
344
341
337
334

Sunday 22

Waxing Crescent 18%

08:48

00:07

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
00 Bad

Sun - Rise: 07:06, Set: 19:22, Transit: 13:14. Moon - Rise: 08:48, Set: 00:07. Civil Dark: 19:48 - 06:39. Nautical Dark: 20:20 - 06:08. Astro Dark: 20:52 - 05:36

Total Clouds (% Sky Obscured)

100
97
98
98
88
76
63
75
88
100
100
100
100
96
93
91
97
99
100
100
100
100
94
89

Low Clouds (% Sky Obscured)

25
14
0
0
0
0
0
12
23
35
40
45
50
44
38
32
25
20
24
53
75
93
71
53

Medium Clouds (% Sky Obscured)

0
10
22
31
30
30
26
35
34
29
18
11
4
4
9
13
25
37
49
61
74
87
64
40

High Clouds (% Sky Obscured)

100
97
98
98
80
59
39
59
80
100
100
100
100
78
64
77
95
97
100
100
100
100
89
77

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
4
1
4
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
None
None
None
None
None
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

0
0
0
0
1
2
1
5
5
2
4
4
3
6
8
6
36
58
77
95
95
95
82
54

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.7
0.8
0.8
0.6
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
12
12
12
12
13
13
13
14
16
18
20
22
23
24
24
24
22
21
19
16
12
9
7

Feels Like (°C)

12
12
10
10
10
11
10
10
10
11
12
13
14
14
22
21
20
20
21
21
14
13
12
11

Dew Point (°C)

11
11
11
11
12
12
12
12
12
12
13
13
14
14
14
14
15
15
16
16
13
9
5
3

Relative Humidity (%)

90
92
92
93
95
95
95
95
86
78
73
67
61
56
56
55
55
63
73
85
82
79
77
74

Pressure (mb)

1008
1008
1008
1007
1007
1007
1008
1008
1008
1008
1008
1008
1008
1008
1007
1007
1007
1008
1008
1009
1011
1013
1015
1016

Ozone (du)

331
328
325
321
318
317
317
316
316
316
315
314
312
310
309
309
308
308
308
309
309
309
308
309

Monday 23

Waxing Crescent 29%

09:30

No Set

Sun - Rise: 07:04, Set: 19:23, Transit: 13:13. Moon - Rise: 09:30, Set: No Set. Civil Dark: 19:49 - 06:37. Nautical Dark: 20:21 - 06:06. Astro Dark: 20:53 - 05:34

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: 17/03/26 01:22:01. Forecast: 17/03/26 to 23/03/26. Timezone: UTC-4.00