Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 13

Waning Crescent 25%

02:18

13:19

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

Sun - Rise: 07:18, Set: 16:48, Transit: 12:03. Moon - Rise: 02:18, Set: 13:19. Civil Dark: 17:18 - 06:49. Nautical Dark: 17:51 - 06:15. Astro Dark: 18:23 - 05:43

Total Clouds (% Sky Obscured)

54
64
72
100
100
100
100
100
100
100
96
48
15
20
24
17
11
20
27
42
1
0
0
0

Low Clouds (% Sky Obscured)

0
29
58
73
79
78
96
100
94
82
25
0
15
20
24
17
11
20
27
42
0
0
0
0

Medium Clouds (% Sky Obscured)

54
64
72
100
100
100
100
100
100
100
96
48
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

54
64
72
100
100
100
100
100
100
30
0
0
0
0
0
0
0
0
0
0
0
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
8
0
0
0
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
Light Rain
Snow
Snow
Snow
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
2
3
5
13
38
95
95
95
57
11
2
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0.8
2.3
1.1
0.1
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
4
4
4
6
7
7
10
11
13
14
14
14
14
15
15
15
16
16
15
15
14
14

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

1
1
0
-1
-1
-1
-1
-2
-5
-6
-6
-8
-9
-7
-8
-8
-8
-9
-10
-10
-12
-12
-12
-12

Dew Point (°C)

1
0
0
-0
0
0
1
1
-1
-2
-4
-7
-8
-8
-9
-11
-12
-12
-13
-14
-15
-15
-15
-15

Relative Humidity (%)

79
80
82
82
85
83
89
98
96
91
75
69
67
65
60
54
50
49
49
51
52
52
53
53

Pressure (mb)

1017
1016
1016
1015
1015
1015
1015
1015
1016
1016
1017
1018
1020
1021
1021
1021
1021
1021
1022
1024
1025
1026
1026
1027

Ozone (du)

310
313
314
315
316
318
317
311
308
309
315
317
327
334
341
348
357
364
367
368
364
364
364
366

Sunday 14

Waning Crescent 17%

03:18

13:44

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

Sun - Rise: 07:19, Set: 16:49, Transit: 12:04. Moon - Rise: 03:18, Set: 13:44. Civil Dark: 17:18 - 06:49. Nautical Dark: 17:51 - 06:16. Astro Dark: 18:24 - 05:44

Total Clouds (% Sky Obscured)

8
30
14
19
18
3
10
5
2
30
23
70
61
100
77
54
52
56
84
96
92
88
69
54

Low Clouds (% Sky Obscured)

1
0
13
19
18
0
5
0
0
0
0
0
0
0
0
0
0
0
37
37
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
2
0
0
3
7
79
63
51
52
56
70
89
92
88
65
54

High Clouds (% Sky Obscured)

0
0
0
0
0
2
6
3
0
30
23
70
61
100
52
41
27
0
0
0
1
0
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
6
8
3
8
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
4
8
19
7
13
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
12
10
9
9
8
8
8
7
6
8
8
8
7
6
5
5
4
2
4
4
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

-12
-12
-13
-11
-11
-10
-10
-10
-10
-10
-11
-10
-9
-8
-7
-6
-5
-4
-4
-3
-5
-5
-6
-5

Dew Point (°C)

-15
-14
-13
-14
-13
-12
-12
-12
-12
-12
-12
-12
-12
-12
-12
-12
-12
-12
-12
-10
-8
-8
-7
-7

Relative Humidity (%)

51
56
58
56
58
62
64
64
64
64
64
65
55
49
45
42
43
39
37
45
62
64
76
76

Pressure (mb)

1027
1027
1027
1028
1027
1028
1028
1029
1029
1030
1030
1030
1030
1030
1029
1028
1027
1026
1026
1025
1025
1025
1024
1023

Ozone (du)

374
374
352
333
324
320
327
319
315
309
307
302
300
292
286
287
286
286
286
285
284
282
282
283

Monday 15

Waning Crescent 11%

04:19

14:12

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

Sun - Rise: 07:19, Set: 16:49, Transit: 12:04. Moon - Rise: 04:19, Set: 14:12. Civil Dark: 17:19 - 06:50. Nautical Dark: 17:52 - 06:17. Astro Dark: 18:24 - 05:44

Total Clouds (% Sky Obscured)

51
68
59
33
10
7
68
96
98
67
0
1
0
0
0
0
3
9
10
15
16
16
21
26

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)

50
60
49
23
0
0
0
0
0
2
0
0
0
0
0
0
0
1
0
1
0
0
0
0

High Clouds (% Sky Obscured)

2
12
18
20
10
7
68
86
92
61
0
0
0
0
0
0
3
9
10
15
16
16
21
26

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-8
-8
-8
-8
-8
-8
-8
-8
-8
-7
-7
-8
-9
-9
-9
-9
-8
-8
-7
-4
-4
-4
-4
-5

Relative Humidity (%)

73
81
81
79
80
79
82
85
89
90
90
79
61
51
46
42
41
41
44
61
75
75
80
77

Pressure (mb)

1023
1022
1022
1022
1022
1022
1023
1022
1023
1023
1024
1024
1025
1025
1025
1024
1023
1023
1023
1022
1022
1022
1022
1022

Ozone (du)

284
287
287
290
292
294
295
297
298
294
286
284
283
282
280
279
279
277
276
274
273
271
269
268

Tuesday 16

Waning Crescent 6%

05:20

14:46

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

Sun - Rise: 07:20, Set: 16:49, Transit: 12:05. Moon - Rise: 05:20, Set: 14:46. Civil Dark: 17:19 - 06:50. Nautical Dark: 17:52 - 06:17. Astro Dark: 18:25 - 05:45

Total Clouds (% Sky Obscured)

27
51
73
95
68
40
12
8
4
1
12
40
46
43
45
51
40
38
36
37
47
38
53
48

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
0
0
1
0
25
20
15
15
3
1
12
23
35
38
47

High Clouds (% Sky Obscured)

27
51
72
85
57
34
10
7
3
1
12
40
46
43
45
51
40
38
36
37
40
7
25
24

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

Chance of Frost

Temperature (°C)

-2
-2
-2
-2
-2
-1
-1
-1
-1
-1
-1
1
3
5
8
9
11
11
12
11
9
8
7
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

78
79
79
83
83
81
83
81
81
83
81
78
68
63
60
60
59
63
62
68
85
90
91
93

Pressure (mb)

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

Ozone (du)

267
267
267
267
268
268
270
269
270
271
271
271
272
272
272
273
279
281
283
286
286
286
287
287

Wednesday 17

Waning Crescent 2%

06:21

15:26

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

Sun - Rise: 07:21, Set: 16:50, Transit: 12:05. Moon - Rise: 06:21, Set: 15:26. Civil Dark: 17:19 - 06:51. Nautical Dark: 17:53 - 06:18. Astro Dark: 18:25 - 05:45

Total Clouds (% Sky Obscured)

88
94
98
99
89
58
57
65
76
47
49
50
48
57
71
84
88
91
94
94
95
97
98
99

Low Clouds (% Sky Obscured)

0
10
20
31
20
10
0
0
0
0
0
0
0
24
49
73
62
50
39
47
55
63
63
64

Medium Clouds (% Sky Obscured)

53
33
18
0
13
30
42
44
49
47
46
37
33
31
26
20
44
67
89
88
92
96
97
99

High Clouds (% Sky Obscured)

81
93
97
98
88
56
57
57
52
15
16
16
15
17
19
30
31
42
43
35
42
48
66
81

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
6
10
5
7
11
16
25
31

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

Chance of Frost

Temperature (°C)

6
5
5
5
4
3
3
2
2
2
1
3
4
6
7
8
9
9
9
9
10
10
11
12

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

93
91
90
89
93
93
91
91
91
91
91
86
80
75
73
70
70
74
80
85
84
82
81
81

Pressure (mb)

1021
1021
1022
1022
1022
1023
1023
1023
1023
1024
1024
1023
1023
1023
1022
1020
1019
1018
1017
1016
1015
1014
1014
1012

Ozone (du)

289
290
290
286
285
283
281
279
278
278
277
278
278
279
279
279
280
281
283
285
284
284
284
285

Thursday 18

Waning Crescent 0%

07:18

16:14

21 Bad
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 OK
15 OK
16 Good
17 Good
18 Good
19 Good
20 Good

Sun - Rise: 07:21, Set: 16:50, Transit: 12:06. Moon - Rise: 07:18, Set: 16:14. Civil Dark: 17:20 - 06:51. Nautical Dark: 17:53 - 06:18. Astro Dark: 18:25 - 05:46

Total Clouds (% Sky Obscured)

100
100
100
100
99
99
98
99
99
100
80
60
47
51
51
54
45
34
21
13
10
5
5
6

Low Clouds (% Sky Obscured)

64
65
67
68
73
79
85
84
82
81
64
48
28
17
7
0
7
14
21
13
10
5
5
6

Medium Clouds (% Sky Obscured)

100
100
100
100
76
64
51
66
86
100
67
33
0
20
35
39
12
3
0
0
0
0
0
0

High Clouds (% Sky Obscured)

100
100
100
100
91
83
77
84
92
100
80
60
47
15
0
0
0
0
0
0
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
Very Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

36
56
80
95
95
95
95
95
95
95
95
81
33
22
11
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0.2
0.6
0.9
0.9
1.1
1.4
1.8
2
2.2
1.6
0.5
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

13
14
14
15
15
15
15
15
13
11
9
9
9
10
9
9
9
8
7
7
5
4
3
2

Feels Like (°C)

8
8
8
8
8
12
12
11
11
12
11
4
4
4
4
4
4
4
4
4
4
4
3
-0

Dew Point (°C)

10
11
11
11
12
12
11
11
7
3
-2
-2
-2
-1
-4
-5
-7
-7
-6
-6
-6
-6
-6
-7

Relative Humidity (%)

81
82
80
79
78
79
79
79
67
57
47
47
47
47
40
36
31
33
37
40
44
48
51
53

Pressure (mb)

1011
1010
1009
1007
1006
1006
1005
1004
1005
1007
1008
1009
1010
1011
1011
1012
1013
1014
1015
1017
1018
1020
1022
1023

Ozone (du)

287
288
291
294
297
299
301
303
307
311
315
316
317
318
318
318
319
316
313
310
307
304
301
299

Friday 19

New Moon 1%

08:10

17:10

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

Sun - Rise: 07:22, Set: 16:51, Transit: 12:06. Moon - Rise: 08:10, Set: 17:10. Civil Dark: 17:20 - 06:52. Nautical Dark: 17:54 - 06:19. Astro Dark: 18:26 - 05:46

Total Clouds (% Sky Obscured)

7
15
24
32
34
21
17
14
7
2
2
4
6
20
27
43

Low Clouds (% Sky Obscured)

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

Medium Clouds (% Sky Obscured)

0
5
8
10
9
11
15
11
6
1
0
0
0
0
0
0

High Clouds (% Sky Obscured)

1
0
0
0
0
0
0
0
0
0
0
0
3
16
24
31

ISS Passover

Visibility (miles)

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

Precipitation Type

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

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-7
-8
-8
-8
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-7
-6

Relative Humidity (%)

54
55
59
62
66
67
69
71
72
72
75
67
59
52
49
47

Pressure (mb)

1024
1025
1025
1026
1026
1027
1027
1028
1028
1029
1029
1030
1030
1030
1029
1028

Ozone (du)

296
293
292
291
290
290
289
288
286
284
282
281
280
278
278
278

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

Generated: 13/12/25 21:06:40. Forecast: 13/12/25 to 19/12/25. Timezone: UTC-5.00