Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 25

First Quarter 52%

No Rise

03:26

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
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:59, Set: 19:25, Transit: 13:13. Moon - Rise: No Rise, Set: 03:26. Civil Dark: 19:51 - 06:33. Nautical Dark: 20:23 - 06:01. Astro Dark: 20:55 - 05:29

Total Clouds (% Sky Obscured)

83
87
88
91
98
98
98
69
92
76
82
100
100
100
100
100
100
100
99
93
80
97
100
94

Low Clouds (% Sky Obscured)

44
69
6
57
34
3
4
43
16
3
18
11
21
70
60
46
60
55
5
6
0
7
2
3

Medium Clouds (% Sky Obscured)

83
87
75
71
49
15
54
65
88
76
82
99
100
50
34
26
33
31
25
35
50
72
79
17

High Clouds (% Sky Obscured)

64
14
32
83
86
89
93
42
71
34
33
73
80
87
100
100
100
100
95
92
75
95
100
94

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)

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

Chance of Frost

Temperature (°C)

10
12
11
12
12
12
11
11
9
8
8
7
7
8
8
8
8
9
9
9
9
11
14
17

Feels Like (°C)

6
7
6
7
7
7
6
6
4
4
3
2
3
3
4
3
4
4
5
5
6
8
11
14

Dew Point (°C)

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

Relative Humidity (%)

44
44
38
35
35
36
38
42
46
51
50
54
57
60
60
59
59
59
60
64
68
64
59
56

Pressure (mb)

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

Ozone (du)

354
353
349
346
345
343
341
338
338
335
331
330
328
330
324
321
320
318
317
314
311
309
307
305

Thursday 26

Waxing Gibbous 64%

12:34

04:11

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
08 Bad
09 Bad
10 Bad
11 Bad

Sun - Rise: 06:58, Set: 19:26, Transit: 13:12. Moon - Rise: 12:34, Set: 04:11. Civil Dark: 19:52 - 06:31. Nautical Dark: 20:24 - 05:59. Astro Dark: 20:56 - 05:27

Total Clouds (% Sky Obscured)

99
50
88
100
100
91
65
78
76
99
100
93
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

2
4
35
76
66
65
43
0
1
17
26
3
7
0
1
6
36
41
86
81
74
86
80
72

Medium Clouds (% Sky Obscured)

12
11
60
85
17
6
3
14
44
62
86
69
78
93
100
100
100
99
100
100
100
100
100
100

High Clouds (% Sky Obscured)

97
28
51
98
100
81
52
62
48
94
100
64
100
100
100
100
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
6
9
9
2
3
6
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
Very Light Rain
None
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

0
0
0
6
11
0
0
1
2
2
0
3
19
37
79
60
80
95
95
95
95
74
41
29

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0.2
2
1.9
1.1
0.9
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
22
23
24
24
23
24
23
21
20
20
20
19
19
19
18
18
17
16
16
15
12
10
9

Feels Like (°C)

16
18
21
21
21
20
20
19
18
18
17
17
17
16
16
16
15
15
15
14
11
8
6
5

Dew Point (°C)

10
11
13
15
18
17
19
18
17
16
17
17
16
15
15
16
16
16
16
15
14
10
8
7

Relative Humidity (%)

54
52
52
56
67
69
73
74
76
79
82
82
80
77
81
85
88
90
95
96
92
90
85
87

Pressure (mb)

1015
1014
1013
1012
1011
1011
1010
1010
1010
1010
1009
1008
1008
1007
1007
1007
1006
1007
1008
1009
1011
1013
1015
1017

Ozone (du)

303
302
297
292
290
288
289
288
283
284
282
282
282
281
281
281
282
280
279
277
278
280
281
280

Friday 27

Waxing Gibbous 74%

13:47

04:47

12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Good
00 OK
01 Bad
02 Bad
03 Bad
04 Bad
05 OK
06 Good
07 Good
08 Good
09 Good
10 Good
11 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
100
100
100
100
100
100
100
100
5
32
74
86
78
76
30
3
0
0
0
0
1

Low Clouds (% Sky Obscured)

75
67
65
51
70
62
52
26
0
0
0
3
32
64
68
75
54
30
2
0
0
0
0
0

Medium Clouds (% Sky Obscured)

98
100
100
100
100
100
100
100
94
69
5
0
1
19
47
31
32
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
94
100
100
85
30
100
77
96
100
5
1
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
4
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
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

37
60
93
82
63
23
24
6
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0.7
0.5
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
13
12
11
10
9
9
8
6
5
5
4
5
6
7
8
9
9
8
9
10
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

82
79
79
88
84
76
75
74
75
76
76
73
76
77
73
69
66
66
68
71
70
53
43
38

Pressure (mb)

1017
1018
1019
1019
1019
1019
1020
1020
1021
1022
1022
1023
1023
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1032

Ozone (du)

280
277
277
276
277
278
279
284
288
290
291
295
297
297
298
299
299
300
303
304
307
305
308
308

Saturday 28

Waxing Gibbous 84%

14:59

05:17

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

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)

10
10
15
15
14
9
1
0
0
0
0
7
13
16
16
20
18
23
25
27
21
11
2
17

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)

0
0
0
0
0
0
0
0
0
0
0
7
13
16
16
20
18
23
25
27
21
11
0
7

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3
0
0
0
0
0
0
2
17

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)

12
12
13
12
12
11
8
6
5
4
5
5
5
4
3
3
3
3
3
3
3
5
6
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-9
-9
-9
-9
-8
-8
-6
-5
-5
-5
-6
-6
-5
-5
-6
-6
-7
-8
-8
-8
-9
-8
-7
-6

Relative Humidity (%)

34
32
31
31
31
32
38
45
51
51
48
54
58
60
58
57
56
54
53
53
47
44
40
36

Pressure (mb)

1032
1032
1031
1031
1031
1030
1030
1031
1032
1032
1033
1034
1034
1034
1034
1034
1034
1034
1035
1035
1036
1036
1036
1036

Ozone (du)

306
308
311
313
318
327
328
330
335
339
345
351
360
364
368
373
374
381
384
384
387
387
384
382

Sunday 29

Waxing Gibbous 91%

16:09

05:42

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

24
21
33
42
49
24
14
3
3
18
27
39
45
55
96
99
100
97
94
91
88
87
85
82

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
16
33
35

Medium Clouds (% Sky Obscured)

13
16
28
38
48
24
14
0
0
0
0
12
24
36
93
96
99
95
91
87
75
64
54
55

High Clouds (% Sky Obscured)

24
5
0
3
1
1
1
3
3
18
27
34
45
55
96
99
100
92
80
65
36
16
7
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 (%)

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

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)

6
7
7
7
7
7
6
5
5
5
6
6
6
7
7
9
9
9
9
9
9
11
12
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

6
7
10
11
11
11
10
9
6
5
2
1
1
1
0
-0
0
0
-1
0
1
2
2
3

Dew Point (°C)

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

Relative Humidity (%)

33
32
32
31
30
29
37
45
47
49
51
54
56
56
56
57
58
60
60
60
61
57
54
52

Pressure (mb)

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

Ozone (du)

377
376
376
375
371
369
368
367
365
363
362
359
357
356
354
352
349
347
344
341
339
337
335
333

Monday 30

Waxing Gibbous 96%

17:16

06:05

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

81
72
78
78
89
78
65
52
43
34
26
30
34
40
48
58
70
87
96
98
99
99
99
99

Low Clouds (% Sky Obscured)

37
32
38
42
64
42
21
0
7
15
22
21
19
17
12
6
5
29
59
83
90
94
96
93

Medium Clouds (% Sky Obscured)

57
52
58
70
78
70
62
52
43
34
26
30
26
14
17
21
25
50
75
98
99
99
95
94

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
1
6
6
19
61
82
86
90
80
75
55
37

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
7
5
3
3
3
3

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
Very Light Rain
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

Precipitation Probability (%)

5
6
31
43
53
47
42
39
34
28
11
14
12
3
11
11
9
27
42
56
85
95
95
95

Precipitation Amount (mm)

0
0
0
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.5
0.8
0.9
1.2

Wind Speed/Direction (mph)

14
14
14
14
14
15
14
12
12
10
9
7
7
6
5
4
4
4
4
3
3
3
3
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
5
6
8
9
11
11
10
10
10
10
10
10
10
10
10
10
10
11
11
11
11
12
12

Relative Humidity (%)

55
56
58
67
75
86
87
87
90
91
91
93
93
95
95
95
93
93
95
95
96
98
96
98

Pressure (mb)

1025
1024
1023
1022
1022
1021
1021
1021
1021
1021
1021
1022
1021
1021
1021
1021
1021
1021
1021
1022
1022
1022
1021
1021

Ozone (du)

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

Tuesday 31

Waxing Gibbous 99%

18:21

06:27

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: 06:50, 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)

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

Low Clouds (% Sky Obscured)

93
93
85
78
67
56
41
34
34
34
34
23
11
5
10
5
1
0
0
0

Medium Clouds (% Sky Obscured)

96
98
97
96
95
85
72
59
52
47
41
61
79
95
80
63
38
38
38
27

High Clouds (% Sky Obscured)

67
100
100
100
100
100
100
100
98
95
90
94
97
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

2
1
0
2
3
5
3
2
0
3
6
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

Precipitation Type

Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
95
95
90
78
59
56
46
30
32
34
33
39
32
19
26
24
10

Precipitation Amount (mm)

1.1
1
0.8
0.8
0.8
0.6
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
14
14
14
16
16
15
15
14
14
14
13
13
13
13
13
13
13
14
14

Feels Like (°C)

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

Dew Point (°C)

13
14
14
14
15
16
15
15
14
14
13
13
13
12
13
12
12
12
13
13

Relative Humidity (%)

98
100
98
98
98
98
100
98
100
98
98
98
96
96
96
95
95
93
95
93

Pressure (mb)

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

Ozone (du)

343
342
342
341
340
340
338
337
335
335
334
333
334
334
335
335
336
336
338
340

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

Generated: 25/03/26 12:38:24. Forecast: 25/03/26 to 31/03/26. Timezone: UTC-4.00