Clear Outside v1.0 - International Weather Forecasts For Astronomers

Friday 26

Waxing Crescent 41%

11:22

23:36

05 OK
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
04 Bad

Sun - Rise: 07:24, Set: 16:54, Transit: 12:09. Moon - Rise: 11:22, Set: 23:36. Civil Dark: 17:24 - 06:54. Nautical Dark: 17:57 - 06:21. Astro Dark: 18:29 - 05:49

Total Clouds (% Sky Obscured)

38
64
72
78
100
100
100
98
100
99
100
100
100
97
92
93
88
58
71
85
85
98
100
68

Low Clouds (% Sky Obscured)

0
0
0
50
65
84
100
97
100
88
76
71
91
63
73
51
52
35
38
67
67
94
100
68

Medium Clouds (% Sky Obscured)

9
36
72
78
100
100
100
98
100
99
84
100
100
94
64
13
11
10
5
10
7
6
0
0

High Clouds (% Sky Obscured)

38
64
72
78
100
39
4
30
18
3
2
6
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
7
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
Very Light Rain
None
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
2
11
38
26
1
6
5
42
61
45
54
38
16
4
0
3
9
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0.3
0
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

64
65
63
59
51
47
48
52
47
50
49
50
54
58
67
66
66
66
69
70
75
80
85
80

Pressure (mb)

1023
1023
1023
1024
1024
1024
1023
1021
1020
1018
1017
1016
1015
1014
1013
1012
1011
1010
1009
1008
1008
1009
1010
1011

Ozone (du)

269
270
272
272
272
272
272
270
270
270
271
272
275
279
283
284
282
283
282
283
286
287
286
286

Saturday 27

First Quarter 52%

11:46

00:44

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
04 Bad

Sun - Rise: 07:24, Set: 16:55, Transit: 12:10. Moon - Rise: 11:46, Set: 00:44. Civil Dark: 17:24 - 06:55. Nautical Dark: 17:58 - 06:22. Astro Dark: 18:30 - 05:49

Total Clouds (% Sky Obscured)

83
91
96
96
70
98
94
88
84
73
83
67
56
66
85
79
85
78
76
78
65
55
87
81

Low Clouds (% Sky Obscured)

79
87
95
94
70
98
91
88
84
73
76
67
56
66
75
79
85
78
76
78
65
47
50
56

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
2
24
40
19
27
9
2
7
5
11
20
36

High Clouds (% Sky Obscured)

0
0
0
3
2
5
36
5
6
2
49
5
3
2
29
11
4
3
5
4
6
4
68
39

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
79
79
79
78
71
71
67
60
59
59
63
71
79
86
91
94
96
96
96
98
96
96
96

Pressure (mb)

1012
1013
1015
1016
1017
1018
1019
1019
1018
1019
1020
1020
1021
1022
1023
1023
1024
1024
1025
1024
1024
1025
1025
1024

Ozone (du)

287
287
287
289
291
291
290
289
287
285
287
288
287
286
285
286
287
287
285
284
282
281
279
278

Sunday 28

Waxing Gibbous 63%

12:11

01:55

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
04 Bad

Sun - Rise: 07:25, Set: 16:56, Transit: 12:10. Moon - Rise: 12:11, Set: 01:55. Civil Dark: 17:25 - 06:55. Nautical Dark: 17:58 - 06:22. Astro Dark: 18:31 - 05:50

Total Clouds (% Sky Obscured)

80
88
92
98
100
100
98
100
100
96
97
100
100
81
100
100
100
99
96
59
73
86
100
100

Low Clouds (% Sky Obscured)

61
60
64
77
94
83
85
94
72
63
38
36
39
58
92
78
92
96
83
46
46
48
49
52

Medium Clouds (% Sky Obscured)

35
33
72
85
100
97
92
98
100
82
82
67
75
48
24
21
57
37
24
14
25
33
37
58

High Clouds (% Sky Obscured)

20
55
26
46
38
100
27
100
100
76
67
87
100
25
97
100
100
94
73
14
49
75
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
2
12
6
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
13
1
1
7
24
11
2
0
0
0
0
0
4
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)

1
2
3
2
4
4
5
6
7
7
7
7
6
7
8
9
11
11
11
12
12
13
13
13

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

96
94
94
91
83
74
68
66
63
64
69
74
75
76
76
79
78
77
80
82
84
84
85
87

Pressure (mb)

1024
1024
1024
1024
1024
1024
1023
1021
1020
1020
1019
1018
1017
1017
1016
1015
1013
1012
1011
1009
1008
1007
1006
1005

Ozone (du)

278
278
278
278
278
278
278
278
279
279
278
278
277
276
276
274
273
271
270
269
267
266
265
264

Monday 29

Waxing Gibbous 74%

12:40

03:10

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

Sun - Rise: 07:25, Set: 16:56, Transit: 12:11. Moon - Rise: 12:40, Set: 03:10. Civil Dark: 17:26 - 06:55. Nautical Dark: 17:59 - 06:22. Astro Dark: 18:31 - 05:50

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
86
78
72
55
42
32
28
23
18
15
9
4
3

Low Clouds (% Sky Obscured)

53
52
62
70
77
62
48
34
32
30
29
45
61
72
55
42
32
28
23
18
15
9
4
3

Medium Clouds (% Sky Obscured)

80
100
91
81
74
75
84
78
86
92
85
62
44
21
15
9
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
92
73
47
25
1
2
3
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
3
6
5
35
53
57
44
30
5
2
1
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

12
12
13
13
15
16
17
16
16
15
14
13
10
7
5
4
3
2
2
1
1
0
-0
-1

Feels Like (°C)

8
10
10
10
11
13
14
13
11
9
8
6
5
2
-0
-1
-2
-3
-3
-3
-4
-4
-4
-6

Dew Point (°C)

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

Relative Humidity (%)

87
87
86
86
79
68
65
72
59
60
54
50
46
46
48
47
47
47
47
47
47
46
46
46

Pressure (mb)

1004
1002
1001
1000
999
998
998
997
995
996
997
998
1000
1001
1003
1004
1004
1005
1005
1006
1006
1007
1008
1008

Ozone (du)

263
263
263
264
266
266
268
269
271
273
283
287
292
304
312
318
324
328
335
339
343
351
351
350

Tuesday 30

Waxing Gibbous 84%

13:15

04:28

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

Sun - Rise: 07:25, Set: 16:57, Transit: 12:11. Moon - Rise: 13:15, Set: 04:28. Civil Dark: 17:27 - 06:56. Nautical Dark: 18:00 - 06:22. Astro Dark: 18:32 - 05:50

Total Clouds (% Sky Obscured)

2
0
0
0
0
0
0
0
0
0
0
9
16
24
25
32
17
13
24
35
23
12
0
1

Low Clouds (% Sky Obscured)

2
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
9
16
24
20
19
17
13
24
35
23
12
0
1

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
3
4
6
13
17
17
13
12
11
8
5
0
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
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)

11
10
10
10
10
12
13
13
14
13
11
10
9
7
6
5
4
3
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

46
46
45
44
40
36
32
29
28
27
29
32
38
42
44
48
51
54
55
55
56
55
53
53

Pressure (mb)

1009
1009
1010
1011
1012
1013
1013
1012
1011
1011
1012
1012
1013
1013
1014
1014
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

351
346
342
340
346
353
357
362
361
369
380
400
408
406
399
389
379
369
366
363
360
354
348
342

Wednesday 31

Waxing Gibbous 92%

13:59

No Set

05 Good
06 Good
07 OK
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 OK
22 Bad
23 OK
00 OK
01 Bad
02 Bad
03 Bad
04 Bad

Sun - Rise: 07:25, Set: 16:58, Transit: 12:12. Moon - Rise: 13:59, Set: No Set. Civil Dark: 17:27 - 06:56. Nautical Dark: 18:00 - 06:23. Astro Dark: 18:33 - 05:50

Total Clouds (% Sky Obscured)

7
17
40
64
89
93
96
100
92
92
88
92
96
100
79
58
45
49
46
44
56
72
87
74

Low Clouds (% Sky Obscured)

0
0
3
6
8
20
31
42
48
54
61
40
20
0
9
17
24
24
24
26
44
62
79
74

Medium Clouds (% Sky Obscured)

1
1
1
0
0
2
4
8
9
19
23
21
15
3
2
1
0
0
13
30
50
42
26
18

High Clouds (% Sky Obscured)

4
6
34
63
89
91
95
100
76
55
36
57
78
99
79
58
45
20
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
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

54
54
55
50
44
39
39
38
39
42
44
47
52
58
66
70
73
75
77
78
81
80
79
79

Pressure (mb)

1014
1014
1014
1014
1014
1014
1014
1013
1012
1011
1011
1010
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011
1011

Ozone (du)

333
325
316
314
312
309
312
314
316
317
318
319
320
321
322
322
321
321
320
318
316
316
315
314

Thursday 1

Waxing Gibbous 98%

14:55

05:45

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

Sun - Rise: 07:25, Set: 16:59, Transit: 12:12. Moon - Rise: 14:55, Set: 05:45. Civil Dark: 17:28 - 06:56. Nautical Dark: 18:01 - 06:23. Astro Dark: 18:33 - 05:51

Total Clouds (% Sky Obscured)

59
34
33
34
39
53
65
78
59
40
38
27
17
6
4
2
1
6
10
21

Low Clouds (% Sky Obscured)

59
34
33
34
39
48
39
31
32
33
36
25
12
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

10
2
5
9
16
13
9
0
3
5
7
6
5
4
4
2
1
6
10
17

High Clouds (% Sky Obscured)

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

Fog (%)

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

Precipitation Probability (%)

12
13
12
8
5
5
4
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-5
-4
-4
-4
-6
-6
-6
-6
-6
-6
-6
-7
-6
-6
-5
-8
-8
-7
-8
-8

Dew Point (°C)

-6
-6
-7
-9
-11
-12
-14
-15
-17
-16
-16
-16
-15
-15
-14
-14
-14
-14
-15
-15

Relative Humidity (%)

75
72
68
58
51
43
37
32
28
29
29
31
34
40
46
48
50
52
50
49

Pressure (mb)

1012
1013
1014
1015
1016
1018
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1019
1019
1019

Ozone (du)

315
317
319
325
331
337
337
337
337
339
341
343
345
347
349
349
349
350
352
354

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

Generated: 26/12/25 05:37:56. Forecast: 26/12/25 to 01/01/26. Timezone: UTC-5.00