Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 20

Waxing Crescent 3%

08:55

18:11

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

Sun - Rise: 07:22, Set: 16:51, Transit: 12:07. Moon - Rise: 08:55, Set: 18:11. Civil Dark: 17:21 - 06:52. Nautical Dark: 17:54 - 06:19. Astro Dark: 18:26 - 05:47

Total Clouds (% Sky Obscured)

35
15
23
3
26
2
3
10
6
94
87
100
100
100
27
100
100
100
100
100
30
2
0
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
5
0
0
0
0
24
87
100
100
100
27
85
3
15
44
82
3
0
0
0

High Clouds (% Sky Obscured)

1
2
2
3
0
2
3
10
6
51
47
94
100
99
27
100
100
100
100
100
30
2
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)

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

Chance of Frost

Temperature (°C)

4
4
3
4
4
4
3
3
3
3
3
5
7
8
8
9
9
8
7
5
4
3
1
0

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

69
64
64
64
64
68
75
79
76
72
70
67
55
48
46
45
45
45
48
51
53
57
61
66

Pressure (mb)

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

Ozone (du)

274
275
276
277
278
277
276
276
276
276
276
276
277
278
281
284
286
292
297
304
309
314
315
315

Sunday 21

Waxing Crescent 7%

09:33

19:15

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

Sun - Rise: 07:23, Set: 16:52, Transit: 12:07. Moon - Rise: 09:33, Set: 19:15. Civil Dark: 17:21 - 06:53. Nautical Dark: 17:55 - 06:20. Astro Dark: 18:27 - 05:47

Total Clouds (% Sky Obscured)

0
0
0
0
0
1
0
0
0
0
0
7
26
58
33
36
30
29
69
93
87
63
87
95

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
17
0
0
17

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
2
3
19
22
29
25
25
59
85
82
63
87
92

High Clouds (% Sky Obscured)

0
0
0
0
0
1
0
0
0
0
0
1
26
45
2
3
2
0
0
39
40
42
45
40

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
3
1
2
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
68
67
66
64
64
63
62
60
60
57
46
40
37
35
34
34
36
49
57
58
57
56
54

Pressure (mb)

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

Ozone (du)

311
308
308
308
309
309
306
303
302
300
298
298
300
301
302
301
298
297
294
290
287
285
284
283

Monday 22

Waxing Crescent 13%

10:05

20:20

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 07:23, Set: 16:52, Transit: 12:08. Moon - Rise: 10:05, Set: 20:20. Civil Dark: 17:22 - 06:53. Nautical Dark: 17:55 - 06:20. Astro Dark: 18:27 - 05:48

Total Clouds (% Sky Obscured)

96
98
89
100
100
100
100
94
99
100
94
100
100
100
100
92
91
91
91
93
81
76
72
67

Low Clouds (% Sky Obscured)

42
0
0
0
69
100
100
72
75
100
73
83
84
82
89
88
90
90
90
93
81
76
72
67

Medium Clouds (% Sky Obscured)

92
97
89
100
99
100
99
87
98
86
83
72
50
44
43
25
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

25
41
20
28
100
100
36
26
20
3
60
100
100
100
99
13
4
0
12
15
10
20
20
21

ISS Passover

Visibility (miles)

9
9
9
9
9
7
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
Snow
Snow
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
6
39
58
76
63
36
43
33
16
28
4
0
0
0
0
0
0
0
0
0
1
3
0

Precipitation Amount (mm)

0
0
0
0.2
0.5
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
8
8
8
8
10
11
11
11
10
10
8
8
8
8
7
7
4
4
4
4
3
3
3

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-2
-2
-2
-2
-2
-2
-2
-2
-1
-1
-1
1
2
4
6
7
9
8
7
7
7
6
6
6

Dew Point (°C)

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

Relative Humidity (%)

53
51
52
52
53
57
69
75
71
68
73
73
71
69
70
69
68
78
82
84
88
90
88
88

Pressure (mb)

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

Ozone (du)

281
282
282
283
281
280
281
279
278
278
277
277
278
281
283
284
286
287
286
286
282
282
284
284

Tuesday 23

Waxing Crescent 21%

10:33

21:25

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

Sun - Rise: 07:23, Set: 16:53, Transit: 12:08. Moon - Rise: 10:33, Set: 21:25. Civil Dark: 17:23 - 06:54. Nautical Dark: 17:56 - 06:21. Astro Dark: 18:28 - 05:48

Total Clouds (% Sky Obscured)

49
23
1
2
1
0
14
28
42
47
52
54
57
52
69
55
38
8
46
64
82
74
68
62

Low Clouds (% Sky Obscured)

47
22
0
0
0
0
14
28
42
47
52
54
53
51
49
32
16
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
3
6
7
5
4
1
21
39
72
57
56
49

High Clouds (% Sky Obscured)

2
2
1
2
1
0
0
0
0
4
6
8
14
10
43
50
38
8
46
64
70
66
68
58

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

88
88
91
91
93
93
93
94
93
93
91
79
64
57
52
51
50
51
61
67
70
71
75
79

Pressure (mb)

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

Ozone (du)

285
284
282
283
285
285
284
282
281
281
281
284
284
283
281
279
279
274
273
272
272
274
273
272

Wednesday 24

Waxing Crescent 30%

10:58

No Set

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad

Sun - Rise: 07:24, Set: 16:54, Transit: 12:09. Moon - Rise: 10:58, Set: No Set. Civil Dark: 17:23 - 06:54. Nautical Dark: 17:56 - 06:21. Astro Dark: 18:29 - 05:49

Total Clouds (% Sky Obscured)

71
86
98
100
100
100
100
100
100
92
100
100
100
96
100
98
99
99
99
98
97
97
98
98

Low Clouds (% Sky Obscured)

0
0
0
0
0
5
26
44
66
72
77
83
89
94
100
90
88
84
80
76
71
64
58
51

Medium Clouds (% Sky Obscured)

29
25
16
29
40
70
81
90
97
87
77
59
48
40
29
40
23
17
26
27
29
31
31
36

High Clouds (% Sky Obscured)

69
82
97
100
100
88
62
20
28
50
50
60
51
28
2
35
62
89
87
85
83
86
92
98

ISS Passover

Visibility (miles)

9
9
9
9
9
7
9
9
9
9
5
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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
33
37
40
67
76
88
92
95
75
51
23
47
31
15
14
10
5
4
5
5

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.4
0.6
0.7
0.8
0.5
0
0
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

80
82
83
85
77
82
75
75
80
88
91
90
90
90
83
93
93
93
91
93
93
93
95
95

Pressure (mb)

1028
1027
1027
1026
1024
1024
1023
1022
1021
1021
1021
1021
1020
1019
1018
1017
1017
1017
1016
1016
1016
1016
1015
1015

Ozone (du)

274
274
276
277
277
276
275
275
274
272
271
271
270
269
268
267
266
266
265
264
263
262
262
261

Thursday 25

Waxing Crescent 41%

11:22

22:30

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
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 OK
18 Good
19 Good
20 Good
21 Good

Sun - Rise: 07:24, Set: 16:54, Transit: 12:09. Moon - Rise: 11:22, Set: 22:30. Civil Dark: 17:24 - 06:54. Nautical Dark: 17:57 - 06:21. Astro Dark: 18:29 - 05:49

Total Clouds (% Sky Obscured)

92
88
87
92
97
98
98
98
99
99
99
99
97
94
93
71
59
75
57
32
5
9
10
13

Low Clouds (% Sky Obscured)

59
67
74
78
82
91
88
85
82
55
27
0
19
38
57
43
31
26
24
22
5
9
10
13

Medium Clouds (% Sky Obscured)

39
44
45
57
63
76
79
82
92
80
66
65
75
86
91
71
59
59
42
21
0
0
0
0

High Clouds (% Sky Obscured)

92
88
87
92
97
96
92
94
96
97
96
96
84
72
60
40
20
15
47
26
1
1
2
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
8
7
5
7
8
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
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

5
4
0
1
1
0
1
1
1
23
35
42
50
51
46
34
25
19
16
11
2
2
1
0

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
10
10
10
10
10
10
10
11
11
13
14
15
16
17
18
16
15
14
14
12
10
10
9

Feels Like (°C)

9
9
8
8
10
9
9
9
9
9
11
11
12
12
13
13
16
16
15
16
16
16
8
7

Dew Point (°C)

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

Relative Humidity (%)

96
95
93
91
91
91
90
90
90
90
89
89
87
85
82
79
78
76
75
75
73
73
72
72

Pressure (mb)

1014
1014
1013
1012
1011
1011
1010
1009
1009
1008
1007
1007
1007
1006
1005
1004
1005
1006
1006
1008
1009
1011
1011
1012

Ozone (du)

261
260
259
257
259
260
262
262
263
264
264
263
262
263
263
264
267
270
274
278
282
286
290
294

Friday 26

Waxing Crescent 52%

11:46

23:36

22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 OK
06 OK
07 OK
08 OK
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: 16:55, Transit: 12:10. Moon - Rise: 11:46, Set: 23:36. Civil Dark: 17:24 - 06:55. Nautical Dark: 17:58 - 06:22. Astro Dark: 18:30 - 05:49

Total Clouds (% Sky Obscured)

12
14
13
12
11
12
15
22
28
41
46
53
67
81
91
93
94
100
96
91
86

Low Clouds (% Sky Obscured)

12
14
13
12
11
12
15
22
28
41
46
53
50
43
35
24
14
3
4
6
7

Medium Clouds (% Sky Obscured)

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

High Clouds (% Sky Obscured)

0
0
0
0
0
0
2
5
8
15
22
31
53
76
91
93
94
99
96
91
86

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
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

70
71
73
74
74
75
76
77
79
80
72
63
57
53
49
47
49
53
56
60
67

Pressure (mb)

1013
1014
1015
1017
1017
1018
1019
1020
1021
1022
1023
1024
1025
1024
1024
1023
1023
1023
1023
1023
1024

Ozone (du)

297
302
307
312
313
315
316
318
319
321
322
322
323
322
321
320
318
317
315
315
314

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

Generated: 20/12/25 22:27:40. Forecast: 20/12/25 to 26/12/25. Timezone: UTC-5.00