Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 7

Waning Gibbous 78%

22:02

10:15

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

Sun - Rise: 07:27, Set: 17:01, Transit: 12:14. Moon - Rise: 22:02, Set: 10:15. Civil Dark: 17:30 - 06:57. Nautical Dark: 18:04 - 06:24. Astro Dark: 18:36 - 05:52

Total Clouds (% Sky Obscured)

47
39
32
18
22
35
50
61
53
85
94
67
75
70
27
55
20
28
4
2
0
0
0
0

Low Clouds (% Sky Obscured)

13
14
10
13
22
35
50
61
53
84
92
66
75
70
15
55
18
3
1
1
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
2
4
0
0
0
3
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
1
2
3
2
2
14
2
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 (%)

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)

2
2
3
6
5
4
6
9
10
11
11
10
9
7
6
5
5
5
5
4
4
4
4
4

Chance of Frost

Temperature (°C)

4
5
6
7
6
7
10
11
12
12
13
13
12
11
9
9
7
6
6
5
5
5
4
4

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

83
85
85
88
90
82
77
76
72
64
64
69
68
69
73
84
79
81
81
85
85
86
88
88

Pressure (mb)

1005
1006
1007
1008
1009
1010
1011
1012
1012
1012
1012
1013
1014
1014
1015
1017
1017
1017
1018
1018
1019
1019
1020
1020

Ozone (du)

346
346
345
346
349
355
355
354
351
349
348
344
340
334
328
327
326
326
323
321
321
322
329
341

Thursday 8

Waning Gibbous 72%

23:06

10:37

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

Sun - Rise: 07:27, Set: 17:02, Transit: 12:14. Moon - Rise: 23:06, Set: 10:37. Civil Dark: 17:31 - 06:57. Nautical Dark: 18:04 - 06:24. Astro Dark: 18:37 - 05:52

Total Clouds (% Sky Obscured)

0
7
22
3
32
68
14
64
63
36
33
42
33
61
55
29
85
88
100
100
95
84
88
100

Low Clouds (% Sky Obscured)

0
5
12
2
0
0
0
2
5
12
10
4
0
0
0
0
0
0
0
0
0
0
5
1

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
15
3
59
45
11
42
30
43
41
60
66
83
100

High Clouds (% Sky Obscured)

0
0
0
0
32
68
13
59
55
19
19
28
31
5
8
17
54
72
100
100
74
53
60
36

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

Chance of Frost

Temperature (°C)

4
4
4
4
4
4
6
8
10
11
11
12
11
10
7
6
5
4
4
4
4
4
4
4

Feels Like (°C)

3
3
3
4
4
2
4
7
9
8
10
11
10
8
5
3
3
1
1
1
-0
1
1
0

Dew Point (°C)

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

Relative Humidity (%)

88
86
86
86
86
80
75
69
66
62
59
59
65
69
74
79
85
85
85
85
83
83
79
77

Pressure (mb)

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

Ozone (du)

342
337
338
338
335
332
328
321
319
314
312
309
305
303
300
298
296
294
290
289
289
288
285
284

Friday 9

Waning Gibbous 62%

00:08

10:58

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
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:27, Set: 17:03, Transit: 12:15. Moon - Rise: 00:08, Set: 10:58. Civil Dark: 17:32 - 06:57. Nautical Dark: 18:05 - 06:24. Astro Dark: 18:38 - 05:51

Total Clouds (% Sky Obscured)

100
99
96
81
76
60
94
100
100
100
100
100
99
99
100
96
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
37
62
67
61
54
59
71
78
73
76
79
76
53
53
71
65
69
68
77
72
64
57
76

Medium Clouds (% Sky Obscured)

100
62
4
5
35
27
37
98
70
87
98
78
89
86
58
35
50
55
60
100
100
100
100
100

High Clouds (% Sky Obscured)

94
97
87
59
48
44
86
100
100
100
100
100
80
92
99
86
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
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
1
12
29
15
18
11
27
57
46
10
1
18
1
1
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.2
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
7
7
8
8
9
10
10
11
10
9
9
8
8
7
6
6
6
6
6
5
4
3
3

Chance of Frost

Temperature (°C)

4
4
4
4
5
6
7
9
10
11
11
11
12
12
13
13
13
12
12
13
12
12
11
11

Feels Like (°C)

0
0
0
0
1
2
3
5
7
8
8
9
9
11
11
12
12
11
11
11
11
11
11
10

Dew Point (°C)

1
1
1
0
1
3
4
7
8
8
9
10
11
11
12
12
12
12
12
12
12
12
11
11

Relative Humidity (%)

77
79
79
76
78
79
81
84
84
85
88
88
93
92
95
96
96
96
96
96
96
96
96
98

Pressure (mb)

1024
1024
1024
1024
1024
1024
1024
1023
1021
1020
1019
1019
1018
1018
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019

Ozone (du)

286
286
287
288
286
285
284
281
280
279
278
278
277
276
273
273
272
271
271
270
269
267
266
265

Saturday 10

Third Quarter 52%

01:09

11:20

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
01 Bad
02 Bad
03 Bad

Sun - Rise: 07:26, Set: 17:04, Transit: 12:15. Moon - Rise: 01:09, Set: 11:20. Civil Dark: 17:33 - 06:57. Nautical Dark: 18:06 - 06:24. Astro Dark: 18:39 - 05:51

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

66
58
50
55
60
66
75
84
94
95
96
97
86
77
67
69
70
72
75
79
83
56
28
0

Medium Clouds (% Sky Obscured)

100
98
100
100
100
100
100
100
100
99
98
96
98
99
100
100
100
100
97
93
90
93
94
93

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
70
100
100
100
79
99
100
100
100
100
100
100
100
100

ISS Passover

Visibility (miles)

9
9
7
3
9
2
0
0
0
0
4
4
9
7
9
5
4
9
3
4
9
8
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
Very Light Rain
Very Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
Light Rain
None
None
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain
Very Light Rain

Precipitation Probability (%)

24
21
52
68
95
95
95
95
95
95
95
95
95
62
45
86
53
43
65
56
59
56
51
46

Precipitation Amount (mm)

0
0
0.3
0.3
0.9
1
1.3
2.5
2.5
1.7
1.3
0.6
0.6
0.2
0
0.8
0
0
0.2
0.2
0.3
0.3
0.3
0.3

Wind Speed/Direction (mph)

3
3
3
3
4
5
5
6
7
9
9
10
10
10
10
10
10
11
12
12
10
11
11
12

Chance of Frost

Temperature (°C)

11
11
11
11
11
11
11
11
11
11
12
12
13
14
15
16
16
16
16
17
17
17
16
14

Feels Like (°C)

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

Dew Point (°C)

11
11
11
11
11
11
11
11
11
11
11
12
11
13
14
15
15
15
16
15
15
15
13
9

Relative Humidity (%)

96
96
96
98
98
100
100
100
98
98
96
95
92
95
95
95
95
95
95
90
89
89
81
71

Pressure (mb)

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

Ozone (du)

267
266
264
262
261
261
261
259
259
261
262
262
263
264
263
262
263
265
264
264
268
271
275
276

Sunday 11

Waning Crescent 42%

02:11

11:43

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 OK
18 OK
19 OK
20 OK
21 OK
22 OK
23 OK
00 OK
01 OK
02 OK
03 Good

Sun - Rise: 07:26, Set: 17:05, Transit: 12:15. Moon - Rise: 02:11, Set: 11:43. Civil Dark: 17:34 - 06:57. Nautical Dark: 18:07 - 06:24. Astro Dark: 18:40 - 05:51

Total Clouds (% Sky Obscured)

100
100
100
100
99
100
100
100
88
89
75
42
64
35
32
29
26
25
31
33
34
25
16
9

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
13
26
39
46
46
42
47
35
32
29
26
25
31
33
34
25
16
9

Medium Clouds (% Sky Obscured)

95
81
65
67
95
100
79
52
4
5
6
7
5
2
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
93
100
100
100
78
45
13
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 (%)

32
18
2
1
0
0
0
0
0
0
2
2
1
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)

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

Chance of Frost

Temperature (°C)

13
11
9
7
6
6
6
6
7
7
7
7
6
4
3
2
1
0
-0
-0
-0
-1
-1
-1

Feels Like (°C)

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

Dew Point (°C)

8
5
2
0
0
-1
-2
-4
-5
-5
-5
-5
-5
-5
-8
-8
-8
-8
-8
-8
-8
-8
-8
-8

Relative Humidity (%)

70
68
62
62
65
64
56
48
44
40
42
42
46
53
44
49
51
52
55
55
56
57
59
58

Pressure (mb)

1010
1011
1013
1013
1014
1014
1015
1014
1013
1012
1012
1013
1013
1015
1016
1017
1018
1018
1019
1019
1020
1020
1021
1022

Ozone (du)

278
281
284
283
284
283
287
293
301
307
318
328
338
341
338
340
348
357
366
373
380
388
383
378

Monday 12

Waning Crescent 33%

03:13

12:10

04 Good
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 Good
12 Good
13 Good
14 Good
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

Sun - Rise: 07:26, Set: 17:06, Transit: 12:16. Moon - Rise: 03:13, Set: 12:10. Civil Dark: 17:35 - 06:56. Nautical Dark: 18:08 - 06:23. Astro Dark: 18:40 - 05:51

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

6
3
0
0
0
0
0
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
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
0
0
0
1
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 (%)

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
11
11
11
11
11
12
12
12
12
11
9
8
7
5
4
3
3
4
4
4
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-8
-8
-8
-8
-8
-9
-9
-9
-9
-9
-8
-8
-7
-7
-7
-7
-7
-8
-8
-8
-8
-8
-8
-8

Relative Humidity (%)

60
61
61
61
56
52
49
45
41
38
39
40
42
46
49
54
53
53
53
52
52
52
54
55

Pressure (mb)

1023
1023
1024
1024
1025
1026
1027
1026
1026
1025
1025
1024
1024
1024
1025
1025
1025
1025
1025
1024
1024
1023
1023
1023

Ozone (du)

373
370
368
365
362
359
357
351
346
340
338
335
332
329
326
323
324
325
326
326
327
327
330
332

Tuesday 13

Waning Crescent 24%

No Rise

12:41

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

Sun - Rise: 07:26, Set: 17:07, Transit: 12:16. Moon - Rise: No Rise, Set: 12:41. Civil Dark: 17:36 - 06:56. Nautical Dark: 18:09 - 06:23. Astro Dark: 18:41 - 05:51

Total Clouds (% Sky Obscured)

4
5
7
17
27
37
32
27
22
31
37
40
57
76
95
95
95
93
79
78
83

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

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
1
1
6
11
15
29
39
50
53
57
60
68
78
83

High Clouds (% Sky Obscured)

0
1
2
3
4
5
4
5
7
17
27
37
57
76
95
89
79
79
79
78
83

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 (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

57
58
58
59
56
54
51
48
44
40
44
45
47
50
52
55
56
56
57
59
63

Pressure (mb)

1023
1022
1022
1022
1022
1022
1022
1021
1019
1018
1017
1016
1016
1016
1016
1015
1015
1015
1014
1014
1013

Ozone (du)

334
337
339
342
342
343
343
344
344
345
343
341
340
340
340
340
339
339
338
338
337

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

Generated: 07/01/26 04:24:15. Forecast: 07/01/26 to 13/01/26. Timezone: UTC-5.00