Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 28

Waxing Gibbous 64%

12:44

No Set

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
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:26, Set: 17:38, Transit: 12:32. Moon - Rise: 12:44, Set: No Set. Civil Dark: 18:05 - 07:00. Nautical Dark: 18:35 - 06:30. Astro Dark: 19:04 - 06:01

Total Clouds (% Sky Obscured)

97
90
93
100
100
100
100
100
98
100
81
76
68
60
82
99
86
95
73
100
87
100
99
100

Low Clouds (% Sky Obscured)

91
90
93
95
98
96
93
95
93
94
81
76
68
60
75
80
15
9
9
0
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
3
3
0
0
0
3
41
58
8
11
15
10
29
51

High Clouds (% Sky Obscured)

0
0
62
60
75
100
100
99
89
100
25
5
3
5
45
86
40
35
48
100
67
100
99
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
4
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
7
0
1
2
1
0
0
0
0
0
0
0
0
0
36
44
5
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)

11
10
11
10
11
11
9
10
11
10
10
9
9
8
7
4
4
3
10
22
22
20
19
19

Chance of Frost

Temperature (°C)

21
21
21
20
20
20
20
21
21
22
23
24
25
25
25
25
24
22
22
16
13
11
10
9

Feels Like (°C)

20
19
19
19
20
19
20
20
21
22
23
23
24
25
25
26
24
23
22
8
4
3
2
1

Dew Point (°C)

19
18
17
17
17
17
17
17
17
18
18
18
18
18
18
18
17
18
18
4
1
-3
-4
-5

Relative Humidity (%)

86
82
81
79
82
81
82
80
77
74
71
68
67
65
64
65
67
74
75
46
43
37
36
36

Pressure (mb)

1012
1011
1011
1012
1012
1012
1013
1014
1015
1015
1014
1013
1013
1013
1013
1013
1014
1015
1016
1020
1023
1024
1025
1026

Ozone (du)

243
242
243
244
244
244
244
245
244
244
244
244
243
243
243
242
242
243
243
244
244
244
246
247

Monday 29

Waxing Gibbous 75%

13:19

02:09

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
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 07:27, Set: 17:39, Transit: 12:33. Moon - Rise: 13:19, Set: 02:09. Civil Dark: 18:05 - 07:00. Nautical Dark: 18:35 - 06:30. Astro Dark: 19:05 - 06:01

Total Clouds (% Sky Obscured)

97
96
71
99
100
94
98
100
90
100
100
97
100
95
98
100
97
93
95
96
92
97
96
100

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
3
9
53
75
75
75
75
75
75
75
14
47
75
75
75
75
75

Medium Clouds (% Sky Obscured)

68
77
62
87
55
49
52
55
46
88
100
91
100
94
97
99
96
91
94
92
92
95
95
100

High Clouds (% Sky Obscured)

85
85
24
86
100
94
91
60
49
100
91
24
60
59
75
60
82
50
17
83
49
90
79
18

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
1
13
5
6
9
8
4
2
2
13
10
12
21

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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

0
0
-1
-1
-2
-2
-2
-2
-2
-1
-0
0
1
1
1
1
2
2
2
1
2
1
2
1

Dew Point (°C)

-6
-8
-10
-12
-13
-14
-14
-15
-16
-17
-16
-16
-16
-16
-16
-15
-15
-15
-14
-15
-14
-14
-14
-14

Relative Humidity (%)

35
33
29
25
23
23
22
21
18
16
16
17
17
16
17
18
18
19
20
19
19
20
21
21

Pressure (mb)

1028
1028
1029
1030
1031
1032
1033
1034
1034
1034
1033
1033
1032
1032
1032
1032
1033
1033
1033
1033
1033
1033
1033
1033

Ozone (du)

246
245
245
244
244
244
244
244
243
243
243
244
242
241
241
241
240
239
238
236
236
237
240
241

Tuesday 30

Waxing Gibbous 85%

14:00

03:18

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

Sun - Rise: 07:27, Set: 17:40, Transit: 12:33. Moon - Rise: 14:00, Set: 03:18. Civil Dark: 18:06 - 07:01. Nautical Dark: 18:36 - 06:31. Astro Dark: 19:05 - 06:01

Total Clouds (% Sky Obscured)

92
92
62
41
17
15
20
15
20
15
15
15
9
19
20
25
33
5
9
32
7
20
20
16

Low Clouds (% Sky Obscured)

65
70
60
41
17
15
20
15
20
13
4
4
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

92
91
62
41
17
15
20
15
20
15
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

11
47
21
15
3
2
9
1
1
3
15
15
9
19
20
25
28
4
8
32
6
20
18
15

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 (%)

15
5
1
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
8
8
8
7
5
6
6
5
4
3
3
3
3
3
3
3
4
4
4
4
4
4

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

2
1
1
0
0
-1
-1
0
2
4
7
8
9
11
10
8
7
5
6
6
5
5
5
5

Dew Point (°C)

-14
-14
-13
-13
-13
-13
-14
-13
-12
-12
-12
-12
-12
-11
-12
-9
-10
-11
-11
-11
-12
-12
-12
-11

Relative Humidity (%)

21
22
24
24
25
26
26
26
26
24
21
19
17
17
17
22
22
23
24
25
25
25
25
26

Pressure (mb)

1034
1034
1033
1034
1034
1034
1035
1035
1035
1035
1033
1031
1030
1029
1029
1028
1028
1028
1029
1028
1028
1028
1028
1027

Ozone (du)

242
244
249
255
261
264
269
271
275
281
286
289
292
295
300
299
299
299
301
300
297
295
294
294

Wednesday 31

Waxing Gibbous 93%

14:49

04:31

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

Sun - Rise: 07:27, Set: 17:40, Transit: 12:34. Moon - Rise: 14:49, Set: 04:31. Civil Dark: 18:07 - 07:01. Nautical Dark: 18:37 - 06:31. Astro Dark: 19:06 - 06:02

Total Clouds (% Sky Obscured)

13
15
16
18
13
7
2
3
4
4
2
1
0
1
2
3
3
2
3
4
6
5
12
21

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
0
0
0
0
0

High Clouds (% Sky Obscured)

13
15
16
18
13
7
1
2
3
4
2
1
0
1
2
3
3
2
3
4
6
5
10
14

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

Chance of Frost

Temperature (°C)

7
6
6
6
6
6
7
9
11
13
16
17
18
18
18
16
15
14
13
12
12
11
11
11

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

26
27
28
30
32
33
34
29
25
22
20
20
20
22
23
26
28
29
30
31
32
33
34
35

Pressure (mb)

1027
1027
1027
1026
1026
1026
1026
1026
1026
1025
1024
1023
1021
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020
1020

Ozone (du)

294
298
302
304
303
298
294
292
289
286
281
276
274
271
272
272
271
272
271
271
272
271
269
268

Thursday 1

Waxing Gibbous 98%

15:48

05:44

02 Good
03 OK
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 OK
20 OK
21 Bad
22 Bad
23 Bad
00 Bad
01 OK

Sun - Rise: 07:27, Set: 17:41, Transit: 12:34. Moon - Rise: 15:48, Set: 05:44. Civil Dark: 18:07 - 07:01. Nautical Dark: 18:37 - 06:31. Astro Dark: 19:07 - 06:02

Total Clouds (% Sky Obscured)

3
28
50
71
83
86
52
59
58
82
75
72
81
91
85
87
65
46
35
58
77
94
71
41

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
11
22
33
31
36
45
47
46
53
39
24
9
18
35
52
52
41

High Clouds (% Sky Obscured)

2
28
50
71
83
86
52
59
58
65
63
63
71
77
63
74
65
46
35
58
77
94
71
41

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)

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

Chance of Frost

Temperature (°C)

10
10
9
9
9
9
10
11
14
17
19
20
21
21
21
20
19
18
17
16
16
16
17
17

Feels Like (°C)

6
8
7
7
7
7
7
10
12
14
16
18
19
19
18
18
16
16
16
15
14
14
14
14

Dew Point (°C)

-4
-2
-0
1
2
2
3
3
5
6
8
8
8
8
8
9
10
11
11
11
11
11
11
12

Relative Humidity (%)

38
44
51
57
60
62
61
57
54
50
47
45
43
43
45
49
58
62
65
68
69
71
71
75

Pressure (mb)

1019
1019
1019
1018
1019
1019
1019
1019
1019
1018
1017
1016
1014
1013
1013
1012
1013
1012
1012
1012
1012
1012
1011
1011

Ozone (du)

267
267
269
268
267
266
266
267
265
262
262
262
262
261
260
260
261
263
265
266
267
267
267
269

Friday 2

Waxing Gibbous 100%

16:56

06:54

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

Sun - Rise: 07:28, Set: 17:42, Transit: 12:35. Moon - Rise: 16:56, Set: 06:54. Civil Dark: 18:08 - 07:01. Nautical Dark: 18:38 - 06:31. Astro Dark: 19:07 - 06:02

Total Clouds (% Sky Obscured)

15
10
9
9
6
3
1
1
1
1
7
14
20
21
30
30
27
24
19
21
23
21
6
3

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)

15
10
9
7
5
2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

15
10
9
9
6
3
1
1
1
1
7
14
20
21
30
30
27
24
19
20
23
21
6
3

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
8
8
8
8
8
10
10
11
12
13
13
13
13
11
8
6
6
5
5
5
6
6
6

Chance of Frost

Temperature (°C)

16
16
16
16
16
17
18
19
21
23
26
27
27
28
27
25
24
23
21
19
19
18
17
17

Feels Like (°C)

14
14
14
15
15
14
15
15
16
16
17
26
24
23
23
24
24
20
20
20
20
20
20
15

Dew Point (°C)

13
14
13
13
13
12
11
10
9
8
7
7
7
7
7
7
8
7
6
5
8
11
14
14

Relative Humidity (%)

79
83
83
83
81
72
64
57
46
36
29
28
26
25
28
31
34
36
37
38
49
62
79
81

Pressure (mb)

1011
1010
1010
1010
1009
1009
1010
1010
1009
1009
1009
1007
1006
1005
1006
1006
1006
1007
1008
1009
1009
1010
1010
1010

Ozone (du)

271
273
274
274
275
275
275
276
276
276
276
276
276
276
275
275
275
275
275
275
275
274
274
275

Saturday 3

Full Moon 99%

18:08

07:55

Sun - Rise: 07:28, Set: 17:43, Transit: 12:35. Moon - Rise: 18:08, Set: 07:55. Civil Dark: 18:09 - 07:02. Nautical Dark: 18:39 - 06:32. Astro Dark: 19:08 - 06:02

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

Generated: 28/12/25 02:49:18. Forecast: 28/12/25 to 03/01/26. Timezone: UTC-6.00