Clear Outside v1.0 - International Weather Forecasts For Astronomers

Thursday 18

Waning Crescent 10%

05:10

18:00

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

Sun - Rise: 07:18, Set: 19:31, Transit: 13:24. Moon - Rise: 05:10, Set: 18:00. Civil Dark: 19:55 - 06:54. Nautical Dark: 20:23 - 06:26. Astro Dark: 20:51 - 05:57

Total Clouds (% Sky Obscured)

13
43
52
100
83
89
97
97
100
100
100
100
100
90
57
57
51
64
39
31
33
47
27
27

Low Clouds (% Sky Obscured)

10
16
19
25
66
71
67
50
25
21
48
77
16
15
10
0
0
0
0
0
2
0
0
9

Medium Clouds (% Sky Obscured)

13
28
9
32
15
50
45
19
6
12
25
65
69
83
57
57
51
62
39
31
33
47
27
27

High Clouds (% Sky Obscured)

4
43
52
100
37
39
80
97
100
100
100
100
100
90
57
57
51
56
3
0
2
2
2
2

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
8
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
1
1
0
0
0
0
0
10
10
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
6
8
7
6
6
7
8
10
6
6
8
9
9
8
7
7
7
5
4
4
3
4
3

Chance of Frost

Temperature (°C)

30
31
33
33
34
33
33
33
31
30
29
28
28
27
26
26
25
25
24
24
24
24
26
28

Feels Like (°C)

31
32
32
33
33
32
33
31
29
29
28
27
27
26
26
27
27
27
26
26
27
27
28
30

Dew Point (°C)

16
15
15
14
12
12
12
12
14
14
13
17
18
17
18
17
18
18
18
18
18
18
17
16

Relative Humidity (%)

42
38
34
30
27
26
27
27
35
38
37
50
53
54
58
59
63
65
67
67
70
67
58
49

Pressure (mb)

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

Ozone (du)

285
284
283
282
279
276
275
276
277
277
277
277
278
278
278
277
276
275
275
277
277
277
277
278

Friday 19

Waning Crescent 5%

06:09

18:31

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

Sun - Rise: 07:18, Set: 19:30, Transit: 13:24. Moon - Rise: 06:09, Set: 18:31. Civil Dark: 19:54 - 06:54. Nautical Dark: 20:22 - 06:26. Astro Dark: 20:50 - 05:58

Total Clouds (% Sky Obscured)

23
21
14
18
74
77
81
98
78
84
74
92
71
39
4
55
6
5
6
1
1
0
2
1

Low Clouds (% Sky Obscured)

10
10
9
16
74
77
81
75
65
67
66
66
43
34
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

22
16
1
0
2
31
50
66
32
26
48
52
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
39
12
19
19
45
51
15
3
45
4
5
5
1
1
0
2
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)

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

Chance of Frost

Temperature (°C)

30
31
33
34
34
34
34
33
32
31
30
29
27
26
26
25
24
24
23
23
23
23
25
28

Feels Like (°C)

33
33
34
34
36
34
33
33
31
30
28
27
26
26
25
26
25
26
25
26
25
26
28
29

Dew Point (°C)

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

Relative Humidity (%)

42
38
33
29
26
26
27
28
30
34
35
36
50
53
54
58
59
61
62
62
64
63
55
47

Pressure (mb)

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

Ozone (du)

277
275
272
270
271
271
272
271
272
273
274
275
277
278
278
277
278
279
279
278
277
276
276
276

Saturday 20

Waning Crescent 1%

07:06

18:58

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

Sun - Rise: 07:19, Set: 19:28, Transit: 13:23. Moon - Rise: 07:06, Set: 18:58. Civil Dark: 19:52 - 06:55. Nautical Dark: 20:20 - 06:27. Astro Dark: 20:49 - 05:58

Total Clouds (% Sky Obscured)

7
27
25
100
100
99
42
40
27
49
49
43
52
71
73
75
63
45
48
48
53
52
51
51

Low Clouds (% Sky Obscured)

3
6
2
5
11
11
19
23
27
49
49
43
52
71
68
58
38
38
46
48
46
46
43
44

Medium Clouds (% Sky Obscured)

0
0
0
0
2
0
0
0
3
46
43
7
0
19
10
31
45
25
13
19
26
32
36
34

High Clouds (% Sky Obscured)

1
13
16
100
100
98
15
14
16
1
0
0
0
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
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
2
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)

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

Chance of Frost

Temperature (°C)

30
32
33
34
34
34
34
33
32
31
29
28
27
26
26
25
25
24
24
23
23
24
25
27

Feels Like (°C)

31
32
33
32
33
33
33
33
32
28
27
25
25
24
25
24
24
26
26
26
26
27
28
29

Dew Point (°C)

15
13
12
12
12
12
11
10
11
12
14
14
16
16
17
17
17
19
19
19
19
20
20
19

Relative Humidity (%)

39
32
28
25
25
25
24
24
26
32
38
42
48
54
59
59
64
71
74
77
79
78
71
61

Pressure (mb)

1017
1017
1016
1015
1014
1013
1013
1012
1013
1013
1013
1014
1015
1015
1015
1015
1014
1014
1014
1014
1014
1014
1014
1015

Ozone (du)

277
277
276
275
275
273
273
273
273
272
273
274
274
273
273
272
272
271
270
270
270
269
268
268

Sunday 21

New Moon 0%

08:01

19:25

11 OK
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 OK
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

Sun - Rise: 07:19, Set: 19:27, Transit: 13:23. Moon - Rise: 08:01, Set: 19:25. Civil Dark: 19:51 - 06:55. Nautical Dark: 20:19 - 06:27. Astro Dark: 20:47 - 05:59

Total Clouds (% Sky Obscured)

48
45
45
42
40
36
30
25
42
81
100
60
60
62
57
63
55
64
65
63
59
57
48
59

Low Clouds (% Sky Obscured)

42
40
41
42
40
31
15
0
8
17
28
30
35
40
48
57
55
64
65
63
59
55
48
52

Medium Clouds (% Sky Obscured)

29
24
17
9
0
10
20
25
21
12
12
23
45
62
57
57
50
45
39
34
31
26
21
24

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
32
63
85
60
60
62
50
23
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
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
2
2
2
2
1
8
0
0
0
0
1
3
3
6
5
1
3
4
2
52

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
9
9
9
8
7
7
6
10
9
11
13
13
12
12
11
11
11
9
7
6
8
11
12

Chance of Frost

Temperature (°C)

29
30
32
33
34
35
34
34
33
31
30
28
27
26
25
25
25
24
24
24
24
24
26
27

Feels Like (°C)

31
32
33
34
36
36
36
36
33
31
28
26
26
26
26
26
26
26
27
27
27
28
28
29

Dew Point (°C)

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

Relative Humidity (%)

54
47
41
36
32
29
27
27
32
39
42
48
56
64
68
70
74
77
80
83
85
83
76
66

Pressure (mb)

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

Ozone (du)

268
269
269
271
271
270
270
270
269
269
268
267
268
268
268
268
267
267
267
266
265
265
266
267

Monday 22

Waxing Crescent 1%

08:57

19:51

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:20, Set: 19:26, Transit: 13:23. Moon - Rise: 08:57, Set: 19:51. Civil Dark: 19:50 - 06:56. Nautical Dark: 20:18 - 06:28. Astro Dark: 20:46 - 06:00

Total Clouds (% Sky Obscured)

58
56
64
62
50
50
50
65
77
83
90
90
90
79
74
86
96
95
95
92
85
82
75
71

Low Clouds (% Sky Obscured)

48
48
41
31
21
22
22
27
46
65
66
65
65
64
56
54
50
60
70
80
82
82
75
71

Medium Clouds (% Sky Obscured)

24
29
36
44
50
34
17
1
10
20
36
26
14
3
24
44
65
62
60
57
59
60
54
35

High Clouds (% Sky Obscured)

0
0
32
62
50
50
50
65
61
42
44
54
63
38
13
21
25
35
35
45
55
55
55
45

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
Very Light Rain
Moderate Rain
Moderate Rain
Moderate Rain
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Ice pellet
Ice pellet
Ice pellet
Ice pellet
Ice pellet
Light Rain

Precipitation Probability (%)

67
70
95
95
95
32
29
23
65
79
85
80
67
54
95
95
95
95
95
95
95
95
93
86

Precipitation Amount (mm)

0.3
0.2
2.5
4.8
7.3
0
0
0
0
0
0
0
0
0
0.5
0.9
1
0.9
1
1.2
0.9
0.7
0.6
0.5

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

29
30
32
32
32
31
31
31
29
28
27
26
25
24
23
23
23
22
23
23
23
23
24
24

Feels Like (°C)

31
32
33
33
33
32
32
32
27
27
26
24
24
24
23
23
23
23
23
23
23
23
23
24

Dew Point (°C)

19
17
16
14
12
10
9
9
13
14
15
15
16
17
18
19
19
19
20
20
20
20
19
18

Relative Humidity (%)

54
45
38
33
29
27
25
25
38
41
46
52
60
64
71
74
78
81
83
85
85
80
73
67

Pressure (mb)

1010
1010
1009
1008
1007
1006
1006
1006
1006
1007
1008
1009
1009
1010
1009
1009
1009
1009
1010
1010
1010
1011
1012
1012

Ozone (du)

267
266
265
265
265
265
265
265
264
266
268
268
267
266
267
267
267
268
269
270
271
271
271
272

Tuesday 23

Waxing Crescent 4%

09:52

20:18

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
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad

Sun - Rise: 07:20, Set: 19:25, Transit: 13:22. Moon - Rise: 09:52, Set: 20:18. Civil Dark: 19:48 - 06:56. Nautical Dark: 20:16 - 06:29. Astro Dark: 20:45 - 06:00

Total Clouds (% Sky Obscured)

63
58
62
46
40
42
44
46
55
71
86
99
100
100
86
72
60
70
78
89
82
76
69
46

Low Clouds (% Sky Obscured)

63
56
29
23
15
18
18
23
25
20
13
13
13
12
27
41
56
67
78
88
82
76
69
46

Medium Clouds (% Sky Obscured)

22
14
0
0
0
0
0
0
1
2
4
24
44
65
58
52
45
59
70
79
66
52
39
26

High Clouds (% Sky Obscured)

40
40
35
25
15
10
15
15
34
53
73
82
91
100
86
72
60
70
55
33
22
11
0
0

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
8
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
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None
None
None
Very Light Rain
Light Rain
Very Light Rain

Precipitation Probability (%)

74
54
49
44
36
28
21
11
30
42
50
71
86
95
85
66
36
32
25
6
33
46
54
46

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

23
23
23
33
32
29
30
30
29
29
29
29
29
30
29
23
24
25
26
26
26
24
23
23

Dew Point (°C)

16
14
13
13
12
10
9
8
8
10
12
15
16
18
19
19
19
19
19
19
19
18
17
17

Relative Humidity (%)

56
46
38
35
31
28
28
28
28
34
42
52
59
69
79
79
79
80
80
80
81
75
70
64

Pressure (mb)

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

Ozone (du)

272
272
272
271
270
269
268
268
268
268
269
269
269
269
269
269
268
267
267
268
268
268
269
270

Wednesday 24

Waxing Crescent 9%

10:49

20:47

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

Sun - Rise: 07:21, Set: 19:23, Transit: 13:22. Moon - Rise: 10:49, Set: 20:47. Civil Dark: 19:47 - 06:57. Nautical Dark: 20:15 - 06:29. Astro Dark: 20:43 - 06:01

Total Clouds (% Sky Obscured)

23
0
3
5
8
6
3
1
11
21
32
29
25
22
14
7
0
2
3
5

Low Clouds (% Sky Obscured)

23
0
0
1
3
5
3
1
8
5
1
3
4
5
3
1
0
1
3
5

Medium Clouds (% Sky Obscured)

15
0
1
0
0
0
0
0
1
4
11
13
15
17
11
5
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
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
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 (%)

33
4
9
8
1
2
2
1
4
4
2
11
13
11
9
6
0
2
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

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

25
26
27
28
28
29
28
28
28
27
26
25
25
25
25
25
25
25
25
26

Feels Like (°C)

24
23
23
33
32
32
32
32
33
32
31
31
30
30
30
28
28
29
29
30

Dew Point (°C)

16
15
14
13
13
12
12
12
13
13
13
12
13
14
15
17
17
19
20
20

Relative Humidity (%)

57
49
44
40
37
35
35
36
38
41
43
46
49
51
53
59
63
68
70
71

Pressure (mb)

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

Ozone (du)

270
270
270
270
271
271
272
272
273
273
274
274
274
274
273
273
272
272
272
271

Forecast for Round Rock, Williamson, United States of America (30.51,-97.68)

Generated: 18/09/25 11:12:55. Forecast: 18/09/25 to 24/09/25. Timezone: UTC-5.00