Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 31

Waxing Gibbous 92%

13:47

05:17

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

Sun - Rise: 06:58, Set: 16:43, Transit: 11:50. Moon - Rise: 13:47, Set: 05:17. Civil Dark: 17:11 - 06:29. Nautical Dark: 17:43 - 05:57. Astro Dark: 18:15 - 05:26

Total Clouds (% Sky Obscured)

13
10
33
82
85
29
100
19
100
100
12
19
12
25
5
5
2
9
1
2
2
1
1
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
1
19
2
18
25
19
35
40
12
19
4
2
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
10
7
41
48
7
100
19
100
100
12
19
11
25
5
5
2
9
1
2
2
1
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

45
46
46
42
40
37
35
36
38
41
45
50
54
56
60
63
64
65
68
69
69
71
73
73

Pressure (mb)

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

Ozone (du)

325
313
313
317
312
311
308
303
300
295
291
286
284
283
282
285
288
289
291
293
289
285
285
284

Thursday 1

Waxing Gibbous 98%

14:43

No Set

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

Sun - Rise: 06:58, Set: 16:44, Transit: 11:51. Moon - Rise: 14:43, Set: No Set. Civil Dark: 17:12 - 06:29. Nautical Dark: 17:44 - 05:57. Astro Dark: 18:15 - 05:26

Total Clouds (% Sky Obscured)

2
1
2
1
1
0
3
2
1
4
1
1
2
5
10
10
28
25
53
50
25
62
88
98

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
0
0
0
0
0
0
0
0
13
19
21
42
31

High Clouds (% Sky Obscured)

2
1
2
1
1
0
2
2
1
4
1
1
2
5
10
10
28
25
53
50
25
62
76
95

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
56
56

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
74
69
61
54
50
47
45
45
45
50
56
60
62
64
66
70
74
73
73
75
75
75
75

Pressure (mb)

1017
1018
1018
1018
1018
1017
1016
1015
1014
1014
1014
1014
1015
1015
1015
1014
1014
1014
1014
1014
1013
1013
1013
1013

Ozone (du)

284
287
289
291
291
286
286
286
287
284
283
282
283
284
285
287
286
287
285
285
284
285
285
285

Friday 2

Waxing Gibbous 100%

15:51

06:27

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
05 Bad

Sun - Rise: 06:58, Set: 16:44, Transit: 11:51. Moon - Rise: 15:51, Set: 06:27. Civil Dark: 17:13 - 06:29. Nautical Dark: 17:45 - 05:58. Astro Dark: 18:16 - 05:26

Total Clouds (% Sky Obscured)

100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
4
40
54
83
73
84
67
84
89
95
100
97
93
90

Medium Clouds (% Sky Obscured)

27
44
66
80
80
83
91
100
98
97
100
100
100
100
100
100
100
100
100
100
100
100
100
99

High Clouds (% Sky Obscured)

100
99
100
100
100
100
100
100
100
100
100
100
100
100
100
86
100
78
67
97
100
100
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 (%)

100
100
56
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
Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
None
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

0
0
0
0
0
0
2
7
10
21
20
9
15
43
67
75
75
61
41
45
47
65
79
90

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.4
0.3
0.5
0.2
0
0
0
0.4
0.6
0.9

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

73
73
73
71
69
66
65
67
66
70
75
78
81
82
85
84
82
82
81
80
78
78
77
77

Pressure (mb)

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

Ozone (du)

285
283
282
281
282
283
285
285
286
286
288
289
290
292
292
294
298
301
303
303
304
303
303
303

Saturday 3

Full Moon 99%

17:05

07:27

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
22 Good
23 Good
00 Good
01 Good
02 Good
03 Good
04 Good
05 Good

Sun - Rise: 06:58, Set: 16:45, Transit: 11:52. Moon - Rise: 17:05, Set: 07:27. Civil Dark: 17:14 - 06:30. Nautical Dark: 17:46 - 05:58. Astro Dark: 18:17 - 05:27

Total Clouds (% Sky Obscured)

99
99
98
99
99
100
100
100
100
73
46
19
13
6
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

84
80
74
73
75
72
61
47
23
13
7
0
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

95
95
91
82
88
88
99
96
94
67
46
15
8
3
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

73
39
11
16
25
33
53
78
100
54
28
19
13
4
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

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

Precipitation Probability (%)

88
82
76
77
75
73
68
61
50
39
25
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0.7
0.5
0.4
0.4
0.3
0.3
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

5
5
6
7
6
5
6
7
7
7
7
6
6
6
5
5
5
5
5
6
5
5
5
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

75
75
72
70
69
65
64
64
63
60
61
63
64
63
63
63
62
64
65
66
68
67
67
67

Pressure (mb)

1010
1010
1011
1011
1011
1011
1011
1011
1011
1012
1013
1013
1014
1015
1015
1016
1017
1017
1017
1018
1018
1019
1019
1020

Ozone (du)

303
304
305
308
306
306
304
303
301
299
298
298
301
303
303
303
303
301
302
300
298
297
295
294

Sunday 4

Waning Gibbous 95%

18:20

08:15

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

Sun - Rise: 06:58, Set: 16:46, Transit: 11:52. Moon - Rise: 18:20, Set: 08:15. Civil Dark: 17:14 - 06:30. Nautical Dark: 17:46 - 05:58. Astro Dark: 18:17 - 05:27

Total Clouds (% Sky Obscured)

2
4
6
5
5
5
17
31
68
84
90
100
83
65
51
34
19
10
18
24
18
23
28
35

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
1
2
3
30
46
95
83
65
51
34
19
10
18
24
18
23
16
3

High Clouds (% Sky Obscured)

1
2
3
3
4
4
13
20
66
84
90
100
83
65
51
34
16
10
8
11
8
15
22
27

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

67
66
60
51
45
40
40
40
42
44
48
52
55
56
57
58
58
58
58
59
61
62
62
62

Pressure (mb)

1021
1021
1022
1023
1023
1022
1022
1021
1021
1021
1021
1021
1022
1022
1022
1021
1021
1021
1021
1021
1021
1021
1021
1021

Ozone (du)

292
291
289
288
287
286
285
284
283
282
283
284
284
285
286
287
290
293
296
296
296
296
297
297

Monday 5

Waning Gibbous 89%

19:33

08:54

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

Sun - Rise: 06:58, Set: 16:47, Transit: 11:52. Moon - Rise: 19:33, Set: 08:54. Civil Dark: 17:15 - 06:30. Nautical Dark: 17:47 - 05:58. Astro Dark: 18:18 - 05:27

Total Clouds (% Sky Obscured)

46
59
67
48
29
13
34
56
79
82
86
88
85
80
72
79
86
97
97
96
94
95
97
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
5
16
45
59
73
84

Medium Clouds (% Sky Obscured)

2
1
0
0
0
0
5
13
30
40
45
35
23
4
4
4
3
3
3
3
8
9
5
1

High Clouds (% Sky Obscured)

39
50
67
48
29
13
34
56
79
82
86
88
85
80
72
79
84
87
77
70
55
45
25
25

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
2
2
1
1
1
0
6
7
6

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)

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

Chance of Frost

Temperature (°C)

3
4
5
6
8
10
13
13
14
15
14
13
12
11
11
10
10
10
10
9
9
9
9
9

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

62
59
56
52
47
43
40
40
41
41
46
52
59
60
63
65
66
67
67
67
67
67
66
66

Pressure (mb)

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

Ozone (du)

298
298
298
298
298
298
298
296
295
294
294
294
294
294
293
293
292
291
290
290
291
291
291
291

Tuesday 6

Waning Gibbous 81%

20:41

09:25

Sun - Rise: 06:58, Set: 16:48, Transit: 11:53. Moon - Rise: 20:41, Set: 09:25. Civil Dark: 17:16 - 06:30. Nautical Dark: 17:48 - 05:58. Astro Dark: 18:19 - 05:27

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Nashville, Davidson, United States of America (36.16,-86.78)

Generated: 31/12/25 06:04:01. Forecast: 31/12/25 to 06/01/26. Timezone: UTC-6.00