Clear Outside v1.0 - International Weather Forecasts For Astronomers

Monday 12

Waning Crescent 24%

03:11

12:45

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

Sun - Rise: 07:24, Set: 17:10, Transit: 12:17. Moon - Rise: 03:11, Set: 12:45. Civil Dark: 17:39 - 06:55. Nautical Dark: 18:12 - 06:23. Astro Dark: 18:43 - 05:51

Total Clouds (% Sky Obscured)

57
38
29
22
2
2
16
20
20
33
38
25
0
0
0
38
3
5
8
21
8
65
97
49

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)

30
0
0
0
0
0
0
4
4
0
0
2
0
0
0
1
0
4
0
0
5
9
28
5

High Clouds (% Sky Obscured)

0
0
0
0
2
2
16
20
20
33
38
25
0
0
0
38
3
5
7
16
7
43
92
49

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

Chance of Frost

Temperature (°C)

5
4
3
2
1
1
1
1
1
1
1
1
0
0
2
4
6
8
9
11
11
11
9
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
71
73
73
74
74
74
71
69
67
69
70
69
66
56
48
44
40
39
44
46
50
55
60

Pressure (mb)

1023
1023
1023
1023
1023
1023
1023
1023
1022
1022
1021
1021
1021
1021
1021
1020
1020
1018
1016
1015
1014
1013
1012
1012

Ozone (du)

326
330
332
331
334
331
327
325
325
324
322
324
325
327
328
324
322
322
323
325
325
324
324
328

Tuesday 13

Waning Crescent 16%

04:12

13:23

19 OK
20 OK
21 OK
22 OK
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

Sun - Rise: 07:24, Set: 17:11, Transit: 12:17. Moon - Rise: 04:12, Set: 13:23. Civil Dark: 17:40 - 06:55. Nautical Dark: 18:12 - 06:22. Astro Dark: 18:44 - 05:51

Total Clouds (% Sky Obscured)

34
38
36
40
71
77
74
81
61
63
76
72
86
91
93
90
81
56
71
89
99
99
100
100

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
23
61

Medium Clouds (% Sky Obscured)

0
0
6
14
68
77
74
81
61
35
51
53
71
87
90
87
77
56
53
52
45
41
61
100

High Clouds (% Sky Obscured)

34
38
36
38
15
3
2
0
0
0
0
0
11
2
22
38
27
50
67
86
99
90
100
99

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
1
3
4
5
2
3
3
4
3
2
2
3
5
9

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
12
12
11
10
9
9
7
7
7
6
5
5
5
7
8
8
7
6
5
5
4
3

Chance of Frost

Temperature (°C)

8
7
7
7
6
6
6
6
5
5
4
4
4
4
5
7
9
10
11
12
12
11
9
8

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

61
61
58
60
63
64
65
68
71
73
75
76
79
77
72
64
58
54
53
57
59
64
76
79

Pressure (mb)

1012
1011
1010
1010
1010
1009
1009
1008
1008
1007
1007
1007
1007
1007
1007
1006
1005
1004
1003
1002
1001
1001
1000
1000

Ozone (du)

330
330
328
327
326
322
321
318
316
315
315
317
319
324
326
326
327
328
331
333
336
337
341
342

Wednesday 14

Waning Crescent 10%

05:10

14:08

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 OK
08 Good
09 Good
10 OK
11 OK
12 OK
13 OK
14 Bad
15 Bad
16 Bad
17 OK
18 Good

Sun - Rise: 07:23, Set: 17:12, Transit: 12:18. Moon - Rise: 05:10, Set: 14:08. Civil Dark: 17:41 - 06:55. Nautical Dark: 18:13 - 06:22. Astro Dark: 18:45 - 05:50

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
97
100
94
81
89
75
22
0
0
16
28
26
40
55
69
47
21
0

Low Clouds (% Sky Obscured)

72
72
73
79
77
78
82
76
73
13
47
0
0
0
0
16
24
26
40
52
65
43
19
0

Medium Clouds (% Sky Obscured)

100
100
100
100
100
100
95
100
90
74
77
75
20
0
0
0
0
0
2
3
5
3
2
0

High Clouds (% Sky Obscured)

99
100
100
100
100
84
20
15
10
15
15
8
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
6
1
4
1
2
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
Very Light Rain
Light Rain
Snow
None
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

15
40
37
30
50
72
90
65
49
53
22
3
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0.3
0.8
0.2
0
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
4
3
2
3
7
14
15
13
13
13
14
13
12
13
13
13
13
13
12
12
12
12

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

4
4
4
4
4
4
5
3
-0
-2
-3
-7
-9
-10
-11
-11
-13
-13
-14
-14
-14
-14
-14
-14

Relative Humidity (%)

81
79
79
81
82
87
91
94
86
84
83
66
62
61
56
50
45
41
38
35
38
39
42
44

Pressure (mb)

1000
1000
999
999
998
998
998
999
1000
1001
1001
1003
1004
1005
1006
1006
1006
1005
1004
1004
1005
1005
1006
1007

Ozone (du)

345
352
358
360
359
359
361
368
375
381
396
398
392
389
389
394
394
394
395
406
408
412
419
426

Thursday 15

Waning Crescent 5%

06:04

15:01

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

Sun - Rise: 07:23, Set: 17:13, Transit: 12:18. Moon - Rise: 06:04, Set: 15:01. Civil Dark: 17:42 - 06:54. Nautical Dark: 18:14 - 06:22. Astro Dark: 18:46 - 05:50

Total Clouds (% Sky Obscured)

20
48
66
53
45
37
25
13
0
0
0
0
0
2
30
34
42
54
52
58
58
50
60
95

Low Clouds (% Sky Obscured)

20
43
64
43
21
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
13
26
39

Medium Clouds (% Sky Obscured)

0
0
0
9
20
30
20
10
0
0
0
0
0
0
0
5
28
26
36
43
51
50
60
89

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
30
34
42
54
52
58
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
1
1
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
12
12
12
12
11
10
9
8
7
7
6
6
6
6
5
5
6
7
8
9
7
7

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-9
-9
-11
-11
-10
-11
-11
-11
-10
-10
-10
-10
-9
-8
-7
-8
-6
-5
-5
-5
-4
-3
-2
-4

Dew Point (°C)

-15
-14
-14
-15
-16
-17
-17
-17
-17
-17
-17
-17
-17
-16
-17
-17
-17
-17
-16
-15
-14
-12
-11
-10

Relative Humidity (%)

44
47
48
46
43
42
42
41
42
42
41
41
41
42
37
33
30
28
28
28
29
35
44
52

Pressure (mb)

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

Ozone (du)

445
459
458
442
447
442
417
385
360
355
347
347
342
336
333
329
326
323
318
312
308
309
306
306

Friday 16

Waning Crescent 1%

06:52

16:01

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

Sun - Rise: 07:23, Set: 17:14, Transit: 12:18. Moon - Rise: 06:52, Set: 16:01. Civil Dark: 17:43 - 06:54. Nautical Dark: 18:15 - 06:21. Astro Dark: 18:47 - 05:50

Total Clouds (% Sky Obscured)

78
71
59
52
55
55
50
50
50
47
65
81
62
51
15
27
54
81
87
92
97
70
44
33

Low Clouds (% Sky Obscured)

36
34
30
20
10
0
0
0
0
0
0
0
0
0
0
0
0
0
10
20
30
20
10
0

Medium Clouds (% Sky Obscured)

66
43
20
25
20
25
15
5
10
36
57
79
60
47
15
27
54
81
84
83
83
60
36
31

High Clouds (% Sky Obscured)

0
0
0
0
0
4
50
50
40
25
20
25
19
10
5
4
3
2
1
1
0
0
1
1

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
1
1
0
0
0
0
0
1
1

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-10
-11
-11
-11
-11
-11
-11
-10
-9
-8
-8
-8
-8
-8
-8
-7
-6
-5
-4
-3
-3
-2
-1
-1

Relative Humidity (%)

52
45
42
42
42
43
45
47
54
58
60
58
60
55
51
47
47
45
45
48
52
57
65
74

Pressure (mb)

1017
1017
1016
1016
1016
1016
1016
1016
1016
1015
1015
1016
1016
1016
1017
1017
1016
1016
1015
1014
1014
1014
1014
1014

Ozone (du)

305
303
305
306
306
306
306
308
308
308
309
308
309
310
311
312
314
316
318
323
329
335
341
346

Saturday 17

Waning Crescent 0%

07:33

17:05

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 OK
09 OK
10 OK
11 OK
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad

Sun - Rise: 07:22, Set: 17:15, Transit: 12:19. Moon - Rise: 07:33, Set: 17:05. Civil Dark: 17:44 - 06:53. Nautical Dark: 18:16 - 06:21. Astro Dark: 18:48 - 05:49

Total Clouds (% Sky Obscured)

42
51
55
63
71
76
81
89
100
100
100
100
72
43
25
39
44
50
64
80
95
88
87
89

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
12
22
22
18
10
6
0
0
0

Medium Clouds (% Sky Obscured)

21
12
3
12
21
29
52
75
100
100
100
100
67
33
0
13
36
50
64
80
82
85
87
89

High Clouds (% Sky Obscured)

1
1
1
16
29
40
53
68
82
77
73
64
64
43
25
20
0
0
0
0
0
0
18
29

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 (%)

18
23
15
21
15
4
4
3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

84
84
81
80
83
89
93
93
93
94
84
78
71
65
59
53
51
48
44
45
46
47
52
56

Pressure (mb)

1015
1015
1015
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1018
1018
1018
1017
1016
1016
1015
1015
1015
1015
1016

Ozone (du)

352
355
358
361
365
369
373
371
370
368
371
373
375
378
381
384
394
403
412
423
434
444
444
443

Sunday 18

New Moon 1%

08:07

18:11

19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 OK
01 Bad
02 OK
03 OK
04 OK
05 Good
06 Good
07 Good
08 Good
09 Good
10 Good
11 Good
12 Good

Sun - Rise: 07:22, Set: 17:16, Transit: 12:19. Moon - Rise: 08:07, Set: 18:11. Civil Dark: 17:45 - 06:53. Nautical Dark: 18:17 - 06:21. Astro Dark: 18:49 - 05:49

Total Clouds (% Sky Obscured)

88
87
85
69
54
40
52
42
30
24
10
0
0
0
0
0
1
2

Low Clouds (% Sky Obscured)

11
20
29
32
35
38
30
23
5
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

88
85
79
54
34
19
16
8
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

20
8
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

Fog (%)

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

Precipitation Probability (%)

1
1
0
1
1
0
1
1
0
1
3
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

Wind Speed/Direction (mph)

10
9
9
8
8
8
8
9
10
12
11
11
10
10
10
10
9
9

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-6
-6
-6
-7
-7
-7
-7
-7
-8
-8
-9
-9
-10
-10
-10
-9
-10

Dew Point (°C)

-8
-8
-9
-9
-9
-9
-9
-11
-13
-14
-15
-15
-15
-15
-16
-16
-15
-15

Relative Humidity (%)

62
62
63
64
65
68
70
64
56
51
50
50
50
47
43
40
37
34

Pressure (mb)

1016
1016
1017
1017
1017
1017
1017
1018
1018
1019
1019
1020
1020
1021
1021
1022
1021
1020

Ozone (du)

443
442
441
440
442
445
447
450
452
455
439
423
407
397
388
378
378
377

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

Generated: 12/01/26 19:55:01. Forecast: 12/01/26 to 18/01/26. Timezone: UTC-5.00