Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 1

Full Moon 100%

19:25

06:28

05 Bad
06 Bad
07 OK
08 Good
09 Good
10 OK
11 OK
12 OK
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 OK

Sun - Rise: 06:51, Set: 19:32, Transit: 13:12. Moon - Rise: 19:25, Set: 06:28. Civil Dark: 19:59 - 06:25. Nautical Dark: 20:30 - 05:53. Astro Dark: 21:03 - 05:21

Total Clouds (% Sky Obscured)

65
68
35
4
10
22
33
31
93
99
100
100
100
56
100
100
100
89
100
69
84
97
65
29

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
30
32
50
36
42
31
41
44
16
24
30
35
42
31
31
13

Medium Clouds (% Sky Obscured)

0
0
0
0
0
2
6
5
5
6
18
9
13
8
16
10
8
17
11
15
84
53
13
6

High Clouds (% Sky Obscured)

18
18
20
4
10
9
33
31
86
99
100
100
100
32
100
98
100
87
99
39
68
83
36
10

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
7
3
2
2
2
4
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
Very Light Rain
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None

Precipitation Probability (%)

0
0
0
0
0
0
0
5
28
17
10
19
46
12
24
43
81
95
95
95
77
53
30
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0
0
0.5
0.7
1.5
1.1
0.5
0.2
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

20
18
17
18
20
22
25
27
28
28
28
29
27
25
24
23
22
20
19
18
18
17
17
17

Feels Like (°C)

19
19
17
17
20
22
25
26
27
27
27
27
27
26
25
24
22
21
21
19
19
19
18
19

Dew Point (°C)

17
16
15
15
15
16
16
16
15
15
15
15
17
17
17
17
16
18
18
17
17
17
17
17

Relative Humidity (%)

81
85
88
85
76
66
57
50
46
45
43
43
55
59
65
67
69
85
91
95
98
98
100
100

Pressure (mb)

1017
1018
1018
1019
1019
1020
1020
1019
1019
1018
1018
1017
1017
1017
1018
1018
1019
1019
1020
1020
1020
1021
1021
1021

Ozone (du)

322
321
321
324
326
325
323
321
320
322
323
321
320
322
323
324
324
326
328
329
328
328
327
328

Thursday 2

Waning Gibbous 99%

20:28

06:51

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

Sun - Rise: 06:50, Set: 19:33, Transit: 13:11. Moon - Rise: 20:28, Set: 06:51. Civil Dark: 20:00 - 06:23. Nautical Dark: 20:31 - 05:51. Astro Dark: 21:04 - 05:19

Total Clouds (% Sky Obscured)

27
25
51
74
90
91
75
78
80
90
69
73
66
66
73
86
80
71
50
26
15
10
25
48

Low Clouds (% Sky Obscured)

15
10
35
65
85
87
64
64
55
66
52
49
44
36
44
66
58
52
32
0
0
0
17
42

Medium Clouds (% Sky Obscured)

6
5
5
4
4
4
4
5
11
18
11
9
3
6
16
27
17
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

7
5
35
5
6
5
9
3
20
57
52
42
57
55
44
13
37
50
47
26
15
10
25
40

ISS Passover

Visibility (miles)

9
8
8
8
9
9
9
8
2
8
9
9
9
3
9
9
9
9
9
8
8
9
8
7

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 (%)

2
2
8
6
10
9
4
6
16
20
23
24
39
38
4
1
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)

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

Chance of Frost

Temperature (°C)

17
16
17
17
18
19
20
20
19
19
19
19
18
18
17
15
14
13
12
12
12
12
11
11

Feels Like (°C)

19
18
18
19
20
20
21
21
19
18
17
18
17
17
15
13
12
11
10
10
10
10
10
10

Dew Point (°C)

16
16
16
16
17
18
19
19
18
18
17
17
16
17
16
14
13
12
12
11
11
11
11
11

Relative Humidity (%)

98
98
98
96
95
92
91
92
93
92
91
88
86
90
93
95
95
95
95
96
96
96
98
98

Pressure (mb)

1021
1022
1022
1023
1024
1024
1025
1025
1025
1025
1024
1024
1024
1024
1025
1025
1026
1026
1026
1026
1026
1026
1026
1026

Ozone (du)

330
331
331
332
330
327
327
329
327
324
324
326
325
325
323
321
319
318
316
315
316
317
318
320

Friday 3

Waning Gibbous 95%

21:30

07:15

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

Sun - Rise: 06:48, Set: 19:34, Transit: 13:11. Moon - Rise: 21:30, Set: 07:15. Civil Dark: 20:01 - 06:22. Nautical Dark: 20:32 - 05:50. Astro Dark: 21:05 - 05:17

Total Clouds (% Sky Obscured)

53
67
71
72
73
25
23
24
14
50
19
3
86
100
50
97
100
99
92
97
93
81
70
55

Low Clouds (% Sky Obscured)

51
65
71
72
73
25
23
24
13
27
4
0
0
0
0
0
0
0
0
0
0
0
0
1

Medium Clouds (% Sky Obscured)

0
2
0
0
0
0
0
0
0
15
14
0
0
3
29
22
26
31
35
28
43
36
36
19

High Clouds (% Sky Obscured)

25
14
1
0
0
0
0
2
4
21
3
3
86
100
30
95
100
99
76
91
85
63
50
35

ISS Passover

Visibility (miles)

4
7
7
8
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
1
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)

3
4
5
4
7
11
12
13
13
14
13
13
11
9
6
7
8
9
9
8
7
7
7
7

Chance of Frost

Temperature (°C)

11
11
11
13
16
19
22
24
26
27
28
28
28
26
23
21
20
20
20
19
18
18
17
17

Feels Like (°C)

10
10
11
14
17
20
23
25
26
26
26
27
27
25
23
21
20
20
19
20
19
19
18
17

Dew Point (°C)

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

Relative Humidity (%)

98
100
98
95
87
80
67
59
49
44
40
39
43
51
64
67
75
72
75
80
83
89
93
89

Pressure (mb)

1026
1026
1026
1026
1026
1026
1026
1025
1024
1023
1023
1022
1021
1021
1021
1022
1023
1023
1023
1022
1022
1022
1022
1022

Ozone (du)

321
321
322
322
321
321
320
320
320
320
320
323
324
324
324
325
325
325
327
329
329
329
331
330

Saturday 4

Waning Gibbous 90%

22:33

07:42

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

Sun - Rise: 06:47, Set: 19:35, Transit: 13:11. Moon - Rise: 22:33, Set: 07:42. Civil Dark: 20:01 - 06:20. Nautical Dark: 20:33 - 05:48. Astro Dark: 21:06 - 05:15

Total Clouds (% Sky Obscured)

62
66
61
51
42
28
32
38
40
39
38
39
33
30
27
30
32
30
25
31
18
44
54
63

Low Clouds (% Sky Obscured)

13
25
25
18
9
0
9
19
28
30
32
33
25
17
9
6
3
0
0
0
0
15
29
44

Medium Clouds (% Sky Obscured)

23
31
41
35
29
21
17
15
11
7
4
0
0
0
0
2
0
0
0
0
0
0
0
4

High Clouds (% Sky Obscured)

30
14
2
3
8
1
4
10
10
15
19
22
1
21
10
30
32
30
25
31
18
44
54
55

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
1
5
11
12
10
4
5
4
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
8
9
10
10
10
11
12
12
13
11
10
9
8
8
8
10
12
13
14
14

Chance of Frost

Temperature (°C)

17
17
18
18
20
22
24
26
27
28
28
28
28
25
24
23
23
21
20
20
20
20
20
19

Feels Like (°C)

18
18
17
19
20
22
25
25
25
27
26
26
26
24
23
23
22
20
19
18
18
19
17
17

Dew Point (°C)

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

Relative Humidity (%)

88
86
86
85
77
67
59
52
48
44
41
42
46
56
60
61
63
66
67
65
68
70
75
77

Pressure (mb)

1022
1022
1022
1023
1022
1022
1022
1021
1020
1020
1019
1018
1017
1017
1017
1017
1017
1017
1016
1016
1015
1015
1014
1014

Ozone (du)

329
327
327
327
326
327
326
326
326
324
324
325
326
325
323
322
320
318
317
316
315
314
312
311

Sunday 5

Waning Gibbous 84%

23:35

08:13

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 OK
04 Good

Sun - Rise: 06:45, Set: 19:36, Transit: 13:10. Moon - Rise: 23:35, Set: 08:13. Civil Dark: 20:02 - 06:18. Nautical Dark: 20:34 - 05:47. Astro Dark: 21:07 - 05:14

Total Clouds (% Sky Obscured)

64
71
79
71
68
62
74
89
100
100
100
100
100
99
100
95
85
90
100
100
100
68
36
4

Low Clouds (% Sky Obscured)

35
30
24
16
8
5
27
47
71
63
55
46
46
45
44
29
15
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

15
20
19
25
20
20
50
73
100
100
100
97
86
85
80
80
70
70
53
27
0
0
0
0

High Clouds (% Sky Obscured)

59
61
69
66
68
62
74
89
93
91
95
100
100
99
100
95
85
87
85
82
70
48
22
2

ISS Passover

Visibility (miles)

9
9
9
9
6
5
3
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
Light Rain
Light Rain
Very Light Rain
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
7
46
85
95
90
76
59
78
95
95
95
95
69
70
33
3
2
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0.4
0.6
0.3
0
0
0.5
0.8
0.9
1.1
0.8
0.4
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

14
15
15
15
15
16
17
14
12
12
12
10
10
9
10
10
9
9
11
11
11
11
11
10

Chance of Frost

Temperature (°C)

19
19
19
19
19
19
20
20
19
19
19
20
20
20
18
16
15
14
13
12
10
9
8
7

Feels Like (°C)

17
16
16
16
17
17
18
18
18
16
16
18
17
17
15
12
13
12
13
11
10
10
6
5

Dew Point (°C)

15
15
15
15
16
18
18
18
16
13
11
9
8
8
8
7
6
6
5
4
3
3
1
0

Relative Humidity (%)

78
76
76
77
81
89
91
91
84
69
61
47
45
45
51
56
56
58
60
61
61
63
62
61

Pressure (mb)

1013
1013
1012
1012
1012
1011
1011
1011
1011
1010
1010
1010
1010
1010
1011
1011
1012
1013
1014
1014
1015
1016
1016
1017

Ozone (du)

311
312
314
316
316
316
317
319
320
322
323
322
322
323
324
324
325
326
327
328
329
329
332
335

Monday 6

Waning Gibbous 76%

00:35

08:50

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

Sun - Rise: 06:44, Set: 19:37, Transit: 13:10. Moon - Rise: 00:35, Set: 08:50. Civil Dark: 20:03 - 06:17. Nautical Dark: 20:35 - 05:45. Astro Dark: 21:08 - 05:12

Total Clouds (% Sky Obscured)

3
2
3
3
3
3
2
1
1
16
28
42
52
61
72
61
52
49
58
62
68
45
23
0

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
3
11
18
30
48
67
55
43
32
43
47
43
13
3
0

High Clouds (% Sky Obscured)

2
1
0
0
0
0
0
0
0
16
28
42
52
60
59
61
52
49
18
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)

10
10
9
9
10
10
11
10
9
9
9
9
10
8
6
4
2
2
2
2
2
4
4
5

Chance of Frost

Temperature (°C)

7
7
7
7
8
9
11
12
14
15
16
16
17
15
13
11
10
9
9
8
8
7
7
6

Feels Like (°C)

6
5
5
5
5
5
6
6
6
7
13
13
12
12
13
13
7
7
8
7
7
7
6
5

Dew Point (°C)

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

Relative Humidity (%)

60
60
59
60
52
46
40
36
32
28
28
28
27
33
41
50
53
56
59
61
63
65
67
70

Pressure (mb)

1017
1018
1019
1020
1020
1020
1021
1020
1019
1019
1018
1017
1017
1017
1018
1018
1019
1019
1019
1019
1019
1019
1020
1020

Ozone (du)

338
340
341
343
343
344
345
343
342
341
341
340
339
341
343
344
346
347
348
352
355
358
357
356

Tuesday 7

Waning Gibbous 76%

01:29

09:34

05 Good
06 Good
07 Good
08 OK
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

Sun - Rise: 06:42, Set: 19:38, Transit: 13:10. Moon - Rise: 01:29, Set: 09:34. Civil Dark: 20:04 - 06:15. Nautical Dark: 20:36 - 05:43. Astro Dark: 21:10 - 05:10

Total Clouds (% Sky Obscured)

2
3
5
27
48
69
78
87
96
92
75
65
61
52
46
24
17
10
19
19
27

Low Clouds (% Sky Obscured)

0
0
0
1
4
8
24
40
56
43
29
5
0
0
0
0
0
0
0
0
5

Medium Clouds (% Sky Obscured)

1
2
3
24
46
69
76
80
82
71
66
62
60
52
46
24
16
0
0
0
0

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
8
8
8
8
9
7
6
5
6
8

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
Very Light Rain
None
None
None
None
None
Very Light Rain
None
None
None

Precipitation Probability (%)

2
3
4
3
2
0
1
2
2
26
37
47
45
41
33
34
37
41
36
29
20

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

5
6
6
7
9
11
13
13
13
13
12
11
9
9
8
8
7
7
6
5
5

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

72
71
70
69
59
51
46
44
44
43
54
69
88
90
90
90
90
90
91
90
88

Pressure (mb)

1020
1021
1021
1022
1022
1023
1023
1023
1023
1023
1024
1024
1024
1025
1026
1027
1028
1029
1030
1030
1031

Ozone (du)

355
357
360
362
363
363
364
365
366
367
369
371
373
375
377
380
383
387
390
392
395

Forecast for Friendship Acres, Charles County, United States of America (38.44,-77.13)

Generated: 01/04/26 05:25:45. Forecast: 01/04/26 to 07/04/26. Timezone: UTC-4.00