Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 17

Waning Crescent 10%

03:11

16:54

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

Sun - Rise: 06:32, Set: 18:50, Transit: 12:40. Moon - Rise: 03:11, Set: 16:54. Civil Dark: 19:15 - 06:07. Nautical Dark: 19:45 - 05:37. Astro Dark: 20:16 - 05:06

Total Clouds (% Sky Obscured)

43
27
25
18
41
45
46
47
41
44
47
39
48
53
59
54
47
38
26
39
35
31
29
31

Low Clouds (% Sky Obscured)

0
3
0
0
0
0
0
0
0
0
2
0
0
0
4
4
0
0
25
0
0
0
0
0

Medium Clouds (% Sky Obscured)

37
0
0
14
34
38
32
33
29
33
33
28
29
32
33
33
27
23
4
24
22
20
18
16

High Clouds (% Sky Obscured)

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

Chance of Frost

Temperature (°C)

31
29
26
25
24
23
22
22
21
21
20
20
20
19
19
22
25
28
30
32
33
33
33
33

Feels Like (°C)

31
30
27
26
24
24
24
24
23
23
22
22
21
21
21
23
26
29
31
33
34
35
34
33

Dew Point (°C)

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

Relative Humidity (%)

28
32
37
41
41
44
48
52
51
50
50
49
50
52
52
47
39
33
28
24
22
20
20
20

Pressure (mb)

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

Ozone (du)

291
291
290
289
288
288
287
287
287
287
286
286
285
286
287
287
288
288
288
288
288
289
290
290

Thursday 18

Waning Crescent 5%

04:16

17:25

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

Sun - Rise: 06:33, Set: 18:48, Transit: 12:40. Moon - Rise: 04:16, Set: 17:25. Civil Dark: 19:14 - 06:08. Nautical Dark: 19:44 - 05:38. Astro Dark: 20:14 - 05:07

Total Clouds (% Sky Obscured)

30
28
8
0
25
33
32
33
33
7
1
0
1
1
31
46
6
7
27
72
63
78
78
86

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
22
0
0
0
0

Medium Clouds (% Sky Obscured)

16
15
4
0
14
17
17
17
17
3
0
0
0
0
0
0
0
0
0
37
46
39
45
45

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
1
0
1
1
21
46
6
7
24
26
29
57
61
78

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
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)

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

Chance of Frost

Temperature (°C)

32
31
28
26
25
24
24
23
22
22
21
20
20
19
19
22
26
28
31
32
34
34
34
34

Feels Like (°C)

32
31
28
27
26
26
25
25
25
24
23
22
22
21
21
24
26
30
32
33
35
34
35
35

Dew Point (°C)

9
10
10
10
10
11
11
11
11
11
10
10
10
10
10
11
12
13
12
11
10
10
10
10

Relative Humidity (%)

23
28
32
35
39
43
46
48
49
50
51
51
53
54
54
48
42
37
31
27
24
22
22
22

Pressure (mb)

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

Ozone (du)

291
290
288
288
288
287
287
287
287
286
287
287
288
289
289
289
290
290
291
291
293
294
295
293

Friday 19

Waning Crescent 1%

05:19

17:52

17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad
02 Bad
03 OK
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

Sun - Rise: 06:34, Set: 18:47, Transit: 12:40. Moon - Rise: 05:19, Set: 17:52. Civil Dark: 19:12 - 06:08. Nautical Dark: 19:42 - 05:38. Astro Dark: 20:13 - 05:08

Total Clouds (% Sky Obscured)

80
89
100
100
100
100
99
92
94
77
37
68
76
95
95
24
35
38
37
64
72
89
100
94

Low Clouds (% Sky Obscured)

0
10
5
2
0
0
0
0
0
0
0
7
28
18
0
0
0
0
28
58
57
54
54
51

Medium Clouds (% Sky Obscured)

55
55
59
54
55
77
84
84
93
76
32
54
56
45
29
21
33
31
13
8
25
40
54
52

High Clouds (% Sky Obscured)

37
57
99
100
100
100
90
68
66
0
0
0
0
65
70
0
0
0
2
2
25
79
100
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
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
Very Light Rain
None
None
None
None
None
None
None
None
Light Rain
None
None
None
None
None
None
None
None
None
Very Light Rain

Precipitation Probability (%)

13
23
30
24
35
7
2
3
3
15
5
17
23
80
18
0
0
0
12
14
17
22
25
46

Precipitation Amount (mm)

0
0
0
0
0.2
0
0
0
0
0
0
0
0
0.8
0
0
0
0
0
0
0
0
0
0.2

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

33
31
27
25
24
24
24
24
23
22
22
21
20
20
20
22
24
27
29
31
32
32
31
31

Feels Like (°C)

34
31
27
24
23
24
24
23
24
24
23
24
24
23
23
24
26
30
32
34
34
34
30
30

Dew Point (°C)

10
14
16
18
16
14
14
14
14
14
14
13
13
14
14
13
12
12
12
11
10
9
8
8

Relative Humidity (%)

24
35
50
64
59
54
53
53
56
59
60
62
64
66
67
58
48
40
33
28
25
23
23
24

Pressure (mb)

1014
1014
1015
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1019
1019
1019
1019
1019
1018
1018
1017
1016
1016

Ozone (du)

292
290
289
289
289
289
290
292
292
291
290
290
290
290
290
290
290
290
289
288
287
285
284
283

Saturday 20

Waning Crescent 0%

06:20

18:16

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:35, Set: 18:45, Transit: 12:39. Moon - Rise: 06:20, Set: 18:16. Civil Dark: 19:11 - 06:09. Nautical Dark: 19:41 - 05:39. Astro Dark: 20:11 - 05:09

Total Clouds (% Sky Obscured)

89
82
62
48
32
49
67
84
83
82
80
87
93
100
99
98
97
90
87
83
86
89
93
95

Low Clouds (% Sky Obscured)

46
40
33
22
15
10
4
0
15
33
58
57
54
50
41
33
25
28
30
33
44
54
65
53

Medium Clouds (% Sky Obscured)

50
48
38
29
18
11
14
1
9
18
24
27
32
43
49
47
51
52
49
50
53
51
53
43

High Clouds (% Sky Obscured)

70
52
31
18
7
32
56
84
64
47
39
62
84
87
88
61
64
55
67
59
59
73
84
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
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
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

59
68
63
53
41
36
24
0
1
0
0
0
1
1
4
6
2
5
6
5
15
18
22
41

Precipitation Amount (mm)

0.4
0.5
0.5
0.4
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

29
27
25
25
24
23
23
23
23
22
22
22
22
21
22
23
25
26
28
30
31
31
31
31

Feels Like (°C)

29
27
26
27
26
26
25
25
24
25
22
22
22
22
23
23
26
27
28
29
30
30
30
30

Dew Point (°C)

8
9
10
10
10
11
11
12
12
13
12
12
13
13
13
13
13
13
14
14
14
13
13
13

Relative Humidity (%)

26
31
37
39
42
45
47
49
52
54
54
55
56
58
58
54
48
44
41
37
35
33
32
33

Pressure (mb)

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

Ozone (du)

283
283
282
281
279
278
277
277
276
275
275
275
275
275
275
276
276
276
276
275
276
276
276
277

Sunday 21

New Moon 1%

07:19

18:39

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad

Sun - Rise: 06:35, Set: 18:44, Transit: 12:39. Moon - Rise: 07:19, Set: 18:39. Civil Dark: 19:09 - 06:10. Nautical Dark: 19:39 - 05:40. Astro Dark: 20:10 - 05:10

Total Clouds (% Sky Obscured)

98
100
87
77
50
85
94
100
98
96
94
95
97
100
90
81
72
70
70
70
82
92
100
99

Low Clouds (% Sky Obscured)

42
30
25
20
15
20
26
31
36
41
46
46
46
46
41
35
29
35
40
44
43
38
33
27

Medium Clouds (% Sky Obscured)

35
25
23
18
16
11
8
6
16
19
27
26
26
35
31
21
11
12
15
15
15
16
15
13

High Clouds (% Sky Obscured)

92
100
84
77
16
82
93
100
95
90
85
90
94
100
89
79
68
61
28
12
41
74
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

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

Precipitation Probability (%)

55
66
55
38
0
3
3
1
12
15
15
38
48
53
73
56
37
31
22
4
11
15
17
28

Precipitation Amount (mm)

0.3
0.4
0.3
0
0
0
0
0
0
0
0
0
0
0
0.4
0.2
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

30
28
27
26
25
25
24
25
24
24
24
23
23
23
22
24
25
26
27
29
30
30
31
31

Feels Like (°C)

29
28
27
27
26
27
25
24
23
23
22
22
22
21
21
21
22
22
23
24
25
29
29
29

Dew Point (°C)

13
13
13
15
15
15
14
14
13
12
13
12
13
12
12
12
11
11
12
13
14
14
14
14

Relative Humidity (%)

35
38
43
50
53
54
53
50
50
47
50
51
52
52
50
46
42
40
38
37
36
35
35
35

Pressure (mb)

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

Ozone (du)

277
277
278
278
278
278
278
278
278
279
278
278
278
279
280
280
279
279
280
280
280
280
280
280

Monday 22

Waxing Crescent 4%

08:18

19:02

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

Sun - Rise: 06:36, Set: 18:42, Transit: 12:39. Moon - Rise: 08:18, Set: 19:02. Civil Dark: 19:08 - 06:11. Nautical Dark: 19:38 - 05:41. Astro Dark: 20:08 - 05:11

Total Clouds (% Sky Obscured)

98
98
86
76
63
59
52
42
39
35
36
43
54
61
46
33
29
47
62
78
86
93
100
97

Low Clouds (% Sky Obscured)

21
22
17
10
3
10
17
25
22
21
19
12
4
0
0
0
0
1
1
2
25
44
60
57

Medium Clouds (% Sky Obscured)

10
7
5
1
0
10
20
30
22
14
9
8
4
0
1
3
5
7
8
9
8
7
11
11

High Clouds (% Sky Obscured)

98
96
84
71
60
53
42
30
39
35
36
43
54
61
46
33
20
43
62
78
86
93
100
93

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 (%)

34
37
30
21
15
12
8
0
0
0
0
0
0
0
1
1
0
3
3
2
20
28
33
47

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)

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

Chance of Frost

Temperature (°C)

29
28
26
26
25
24
24
23
22
22
22
21
21
21
20
23
25
27
28
29
31
30
30
29

Feels Like (°C)

29
28
29
25
25
26
25
25
25
23
23
23
23
23
22
23
24
25
26
27
27
32
30
29

Dew Point (°C)

14
14
14
14
14
14
14
14
13
14
14
14
15
15
15
16
16
16
16
16
16
15
14
13

Relative Humidity (%)

38
42
46
48
50
53
54
55
56
59
62
64
67
69
71
64
59
53
48
43
40
38
38
37

Pressure (mb)

1013
1013
1013
1013
1013
1013
1014
1014
1014
1014
1014
1014
1014
1015
1015
1015
1016
1016
1015
1015
1014
1014
1014
1013

Ozone (du)

280
280
280
281
282
282
283
283
284
283
283
282
282
283
283
283
282
282
282
282
282
282
282
282

Tuesday 23

Waxing Crescent 8%

09:17

19:26

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad

Sun - Rise: 06:37, Set: 18:41, Transit: 12:38. Moon - Rise: 09:17, Set: 19:26. Civil Dark: 19:06 - 06:12. Nautical Dark: 19:36 - 05:42. Astro Dark: 20:07 - 05:11

Total Clouds (% Sky Obscured)

96
96
97
98
100
100
100
100
100
100
100
100
100
100
100
100
100
99
98
98

Low Clouds (% Sky Obscured)

51
42
40
39
39
52
66
77
70
62
48
35
39
40
52
74
93
89
88
88

Medium Clouds (% Sky Obscured)

5
0
12
23
35
35
36
36
37
36
41
63
81
95
97
98
100
97
95
85

High Clouds (% Sky Obscured)

92
89
95
98
100
100
100
100
100
100
100
100
100
100
100
100
100
98
93
80

ISS Passover

Visibility (miles)

9
8
7
8
9
9
9
9
9
9
9
9
8
6
5
5
6
7
8
8

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
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Moderate Rain
Light Rain
Light Rain
Light Rain
Light Rain

Precipitation Probability (%)

56
60
93
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
95
93

Precipitation Amount (mm)

0
0
0.6
1.1
1.4
1.4
1.4
1.3
1.5
1.7
2.5
4.8
7.8
9.7
4.1
3
1.6
0.8
0.7
0.4

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

27
26
24
23
22
21
21
21
21
21
21
21
20
20
20
20
21
21
21
21

Feels Like (°C)

29
29
30
24
24
25
24
24
24
22
22
22
22
22
22
22
23
23
24
24

Dew Point (°C)

14
16
17
18
19
19
20
20
20
19
19
19
19
19
20
20
20
20
20
20

Relative Humidity (%)

44
54
64
72
79
88
91
92
93
92
92
91
92
93
95
95
95
93
95
95

Pressure (mb)

1013
1014
1014
1015
1015
1015
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1015
1014
1014

Ozone (du)

282
282
281
281
282
282
281
280
279
278
278
278
278
278
278
278
278
277
278
278

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

Generated: 17/09/25 17:23:20. Forecast: 17/09/25 to 23/09/25. Timezone: UTC-5.00