Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 22

Waxing Crescent 29%

09:30

00:07

23 Bad
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 Good
16 Good
17 Good
18 Good
19 OK
20 OK
21 OK
22 OK

Sun - Rise: 07:04, Set: 19:23, Transit: 13:13. Moon - Rise: 09:30, Set: 00:07. Civil Dark: 19:49 - 06:37. Nautical Dark: 20:21 - 06:06. Astro Dark: 20:53 - 05:34

Total Clouds (% Sky Obscured)

49
76
82
100
100
100
100
100
100
100
88
95
100
90
82
52
5
6
13
7
17
24
38
32

Low Clouds (% Sky Obscured)

0
0
0
3
7
53
90
65
60
93
82
94
100
90
82
52
5
5
13
7
17
22
27
26

Medium Clouds (% Sky Obscured)

49
76
80
100
100
100
100
100
81
0
0
10
6
0
0
0
0
0
0
0
0
0
14
11

High Clouds (% Sky Obscured)

49
76
82
100
100
100
100
100
100
100
23
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

4
9
9
9
7
4
2
2
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
Very Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
2
33
59
90
95
95
95
19
4
6
14
19
14
4
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0.2
0.6
0.8
4.2
3.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
1
3
4
5
8
12
9
6
3
5
7
14
16
16
16
18
17
16
14
13
12
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
15
14
17
16
14
11
12
12
12
12
14
13
9
7
7
6
6
6
5
4
3
2
1

Dew Point (°C)

16
14
13
16
14
14
14
14
13
13
13
14
15
10
8
5
3
2
2
2
0
-0
-1
-1

Relative Humidity (%)

92
92
93
95
95
96
95
95
95
93
93
87
89
79
73
62
50
49
52
56
58
58
59
60

Pressure (mb)

1004
1004
1003
1003
1003
1003
1004
1004
1005
1006
1008
1009
1010
1011
1013
1013
1014
1015
1017
1018
1020
1022
1023
1024

Ozone (du)

306
307
308
311
313
313
313
314
314
316
321
327
329
330
330
333
331
328
330
334
337
341
343
343

Monday 23

Waxing Crescent 40%

10:22

01:22

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

Sun - Rise: 07:03, Set: 19:24, Transit: 13:13. Moon - Rise: 10:22, Set: 01:22. Civil Dark: 19:50 - 06:36. Nautical Dark: 20:22 - 06:04. Astro Dark: 20:54 - 05:32

Total Clouds (% Sky Obscured)

33
40
39
39
44
45
49
51
8
6
33
7
2
0
0
0
3
5
8
11
46
66
90
94

Low Clouds (% Sky Obscured)

26
29
24
23
25
26
25
25
3
3
3
2
1
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
3
0
0
0
0
0
1
1
0
0
0
59
59
56

High Clouds (% Sky Obscured)

0
0
0
0
0
7
21
30
6
3
31
4
1
0
0
0
0
1
8
8
26
54
45
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
3
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)

10
9
9
9
8
7
7
6
6
6
7
6
5
4
1
1
2
4
5
5
5
3
3
4

Chance of Frost

Temperature (°C)

5
5
4
4
3
3
2
2
2
1
2
4
5
6
7
9
9
10
10
9
9
7
5
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
63
67
69
70
70
70
71
71
66
58
50
44
39
36
35
35
34
36
39
50
52
51
53

Pressure (mb)

1025
1025
1026
1027
1027
1027
1028
1029
1030
1030
1031
1031
1032
1031
1030
1029
1029
1028
1027
1027
1028
1028
1028
1028

Ozone (du)

343
345
350
355
354
353
352
353
357
360
360
357
354
357
361
367
368
368
369
368
369
365
362
364

Tuesday 24

Waxing Crescent 52%

11:24

02:29

23 Bad
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 OK
14 OK
15 OK
16 OK
17 OK
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad

Sun - Rise: 07:01, Set: 19:25, Transit: 13:13. Moon - Rise: 11:24, Set: 02:29. Civil Dark: 19:51 - 06:34. Nautical Dark: 20:23 - 06:03. Astro Dark: 20:55 - 05:30

Total Clouds (% Sky Obscured)

89
100
100
100
100
100
100
100
100
90
91
88
94
79
45
39
25
16
28
90
100
93
86
74

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
0
0
0

Medium Clouds (% Sky Obscured)

76
100
90
100
100
100
100
100
100
90
91
87
89
41
31
26
6
2
9
35
38
60
86
74

High Clouds (% Sky Obscured)

20
100
100
100
100
100
100
100
100
72
19
16
18
56
14
9
14
15
19
90
100
73
47
20

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
4
5
4
4
4
4
4
4
4
5
6
8
9
9
9
10
11
11
10
9
9
9
9

Chance of Frost

Temperature (°C)

4
4
4
4
3
3
3
3
3
3
5
6
9
11
12
14
15
16
16
15
13
12
11
11

Feels Like (°C)

1
0
-0
-1
-1
-0
-1
-1
-1
-1
3
4
5
6
9
10
11
12
13
11
9
7
6
6

Dew Point (°C)

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

Relative Humidity (%)

52
52
55
59
60
61
61
62
64
64
58
51
45
43
40
38
37
36
40
42
44
49
53
49

Pressure (mb)

1028
1028
1028
1028
1028
1028
1028
1028
1028
1028
1029
1029
1028
1027
1026
1025
1023
1022
1021
1021
1021
1021
1021
1021

Ozone (du)

363
360
359
357
357
356
358
358
357
359
362
360
359
358
359
357
357
356
353
354
353
350
349
347

Wednesday 25

First Quarter 64%

12:34

03:26

23 Bad
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

Sun - Rise: 06:59, Set: 19:26, Transit: 13:12. Moon - Rise: 12:34, Set: 03:26. Civil Dark: 19:52 - 06:33. Nautical Dark: 20:24 - 06:01. Astro Dark: 20:56 - 05:29

Total Clouds (% Sky Obscured)

82
91
100
100
100
99
99
99
100
100
100
100
100
100
97
78
71
76
82
91
100
83
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
5
3
2
1
1
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

82
91
100
100
100
98
67
52
35
30
30
17
1
1
1
14
25
39
38
37
33
50
61
85

High Clouds (% Sky Obscured)

40
62
89
82
76
60
80
88
100
98
100
100
100
100
90
56
54
75
80
90
100
51
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
Very Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
3
4
4
9
12
14
12
8
0
0
0
0
0
0
0
3
5
4
46
72
93

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
0.3
0.6

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
10
10
9
10
12
14
16
17
19
21
23
23
23
23
22
21
20
19

Feels Like (°C)

5
5
5
5
5
6
5
5
6
6
8
10
12
14
15
18
19
20
20
20
18
17
17
16

Dew Point (°C)

0
1
0
0
1
1
2
2
3
4
5
6
7
10
10
13
13
14
15
15
15
15
14
14

Relative Humidity (%)

49
50
49
49
50
52
55
60
66
67
64
60
57
62
58
57
54
56
60
63
65
67
70
72

Pressure (mb)

1020
1019
1019
1018
1018
1018
1017
1017
1017
1017
1017
1017
1016
1015
1014
1013
1012
1011
1010
1010
1009
1008
1009
1009

Ozone (du)

346
344
342
339
336
333
327
324
319
315
311
307
306
302
299
296
295
294
294
292
290
289
288
290

Thursday 26

Waxing Gibbous 74%

13:47

04:11

23 Bad
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

Sun - Rise: 06:58, Set: 19:27, Transit: 13:12. Moon - Rise: 13:47, Set: 04:11. Civil Dark: 19:53 - 06:31. Nautical Dark: 20:25 - 05:59. Astro Dark: 20:58 - 05:27

Total Clouds (% Sky Obscured)

100
96
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
78
59
40

Low Clouds (% Sky Obscured)

4
9
13
36
59
79
70
61
54
55
51
50
33
17
0
0
0
0
0
0
0
0
14
21

Medium Clouds (% Sky Obscured)

84
80
83
86
65
93
96
97
99
97
99
100
67
33
0
95
97
100
99
98
97
74
56
27

High Clouds (% Sky Obscured)

100
71
100
100
100
100
97
93
91
92
96
100
100
68
100
99
100
100
100
100
100
67
33
0

ISS Passover

Visibility (miles)

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

Precipitation Probability (%)

87
73
50
77
81
75
59
50
56
35
19
23
7
5
0
27
20
5
10
11
13
11
7
1

Precipitation Amount (mm)

0.6
0.4
0
0.3
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
9
7
7
5
7
9
10
10
10
13
14
14
14
15
14
9
9
9
8
7
7
6
6

Chance of Frost

Temperature (°C)

18
17
17
16
16
16
16
15
15
14
12
11
9
9
8
8
7
6
6
6
6
6
5
4

Feels Like (°C)

15
14
14
13
13
13
13
13
13
12
8
5
4
4
3
3
1
1
1
1
1
1
1
1

Dew Point (°C)

13
13
13
13
13
13
13
13
13
13
9
6
5
4
3
2
0
-1
-1
-2
-2
-3
-4
-5

Relative Humidity (%)

72
74
77
79
81
85
83
87
89
90
79
72
72
70
69
65
64
61
60
58
56
54
54
52

Pressure (mb)

1009
1008
1008
1007
1008
1008
1008
1009
1010
1011
1013
1016
1017
1018
1019
1020
1021
1022
1022
1023
1023
1024
1025
1026

Ozone (du)

289
287
287
286
281
278
276
276
277
280
279
274
273
272
272
275
278
281
283
284
285
285
285
285

Friday 27

Waxing Gibbous 84%

14:59

04:47

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

Sun - Rise: 06:56, Set: 19:28, Transit: 13:12. Moon - Rise: 14:59, Set: 04:47. Civil Dark: 19:54 - 06:29. Nautical Dark: 20:26 - 05:58. Astro Dark: 20:59 - 05:25

Total Clouds (% Sky Obscured)

33
28
18
17
21
30
41
54
67
53
39
24
40
56
69
66
60
50
38
53
76
65
51
37

Low Clouds (% Sky Obscured)

14
7
0
0
0
0
12
24
35
24
12
0
0
0
0
0
0
0
1
11
53
63
48
32

Medium Clouds (% Sky Obscured)

22
19
8
13
21
30
36
40
35
25
13
6
6
6
4
0
0
0
0
0
0
0
0
4

High 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

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
0
0
0
0
0
1
2
2
2
1
0
0
0
0
4
6
7
8
6
1
3
4
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
0
-1
-1
-5
-6
-5
-5
-5
-6
-5
-5
-4
-3
-3
-3
3
3
3
3
4
4
-2
-1

Dew Point (°C)

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

Relative Humidity (%)

52
51
48
47
48
50
51
51
49
48
40
34
28
28
28
28
28
28
29
33
37
41
45
48

Pressure (mb)

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

Ozone (du)

285
288
291
294
293
291
290
290
289
289
290
291
291
296
300
304
310
317
324
337
351
365
371
377

Saturday 28

Waxing Gibbous 91%

16:09

05:17

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

Sun - Rise: 06:55, Set: 19:29, Transit: 13:12. Moon - Rise: 16:09, Set: 05:17. Civil Dark: 19:56 - 06:28. Nautical Dark: 20:27 - 05:56. Astro Dark: 21:00 - 05:23

Total Clouds (% Sky Obscured)

24
12
0
1
1
2
1
1
0
4
9
14
24
18
16
9
8
10
8
7
7

Low Clouds (% Sky Obscured)

19
9
0
0
1
1
0
0
0
4
9
14
24
18
16
9
7
2
1
1
1

Medium Clouds (% Sky Obscured)

4
2
0
0
0
0
0
0
0
0
0
0
5
13
15
9
7
2
2
2
3

High Clouds (% Sky Obscured)

0
0
0
0
0
0
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
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

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

7
9
11
12
9
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

52
55
57
59
60
61
61
63
63
63
51
41
33
33
32
32
32
32
32
37
43

Pressure (mb)

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

Ozone (du)

383
380
378
376
378
380
382
386
390
394
399
403
408
413
418
423
427
432
437
441
444

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

Generated: 22/03/26 23:09:05. Forecast: 22/03/26 to 28/03/26. Timezone: UTC-4.00