Clear Outside v1.0 - International Weather Forecasts For Astronomers

Saturday 27

First Quarter 53%

12:13

01:04

11 Bad
12 Bad
13 Bad
14 Bad
15 OK
16 OK
17 OK
18 OK
19 OK
20 OK
21 OK
22 OK
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: 07:26, Set: 17:38, Transit: 12:32. Moon - Rise: 12:13, Set: 01:04. Civil Dark: 18:04 - 07:00. Nautical Dark: 18:34 - 06:30. Astro Dark: 19:03 - 06:01

Total Clouds (% Sky Obscured)

92
76
64
57
23
23
24
25
23
36
41
27
62
89
92
100
100
96
98
100
100
100
100
99

Low Clouds (% Sky Obscured)

70
31
23
22
21
21
22
23
18
11
16
24
52
88
92
92
95
95
98
96
94
94
96
95

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)

2
0
0
0
0
0
0
0
3
36
41
5
9
1
9
76
91
50
47
98
71
91
76
96

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
3
1
1
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
10
11
11
13
13
11
9
9
11
13
13
14
13
14
14
14
14
14
12
12
10
12
12

Chance of Frost

Temperature (°C)

23
24
25
26
27
26
26
24
23
23
22
21
20
20
20
20
20
20
20
20
20
20
20
21

Feels Like (°C)

22
22
25
25
25
25
26
24
23
22
21
20
20
19
18
18
17
17
18
18
18
19
18
20

Dew Point (°C)

19
19
17
15
14
14
15
15
15
16
17
18
18
18
18
17
17
16
16
16
16
16
16
17

Relative Humidity (%)

78
72
61
50
46
46
51
58
60
66
75
82
88
92
88
84
81
78
78
80
78
78
75
76

Pressure (mb)

1015
1014
1012
1011
1010
1010
1011
1011
1011
1012
1012
1012
1012
1012
1012
1012
1012
1011
1011
1012
1012
1013
1014
1014

Ozone (du)

247
248
247
247
247
246
246
245
245
244
244
244
243
242
242
242
241
241
243
243
243
243
243
243

Sunday 28

Waxing Gibbous 64%

12:44

02:09

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: 07:27, Set: 17:38, Transit: 12:32. Moon - Rise: 12:44, Set: 02:09. Civil Dark: 18:05 - 07:00. Nautical Dark: 18:35 - 06:30. Astro Dark: 19:04 - 06:01

Total Clouds (% Sky Obscured)

93
89
100
91
100
100
100
84
99
98
100
100
100
92
80
86
82
90
80
80
99
100
99
89

Low Clouds (% Sky Obscured)

93
89
92
87
11
5
0
7
19
6
0
0
0
2
0
1
0
3
4
3
0
0
0
0

Medium Clouds (% Sky Obscured)

0
0
0
27
8
0
8
12
45
19
12
4
8
19
32
43
42
52
45
56
84
92
95
63

High Clouds (% Sky Obscured)

38
31
55
58
100
100
100
61
60
91
100
100
100
81
53
53
38
29
20
61
87
79
77
58

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

Precipitation Probability (%)

0
0
2
0
1
0
2
25
54
52
7
0
0
0
0
0
1
0
0
0
0
0
0
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
0.4
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

12
12
10
9
8
7
5
4
8
14
24
22
20
19
18
19
18
18
17
17
16
15
16
18

Chance of Frost

Temperature (°C)

22
23
23
24
24
25
24
23
22
19
15
13
11
10
9
8
7
6
5
5
5
5
5
6

Feels Like (°C)

20
21
23
24
24
25
25
23
19
10
6
4
3
2
1
-1
-2
-2
-3
-3
-3
-3
-3
-3

Dew Point (°C)

17
17
18
18
19
18
18
18
16
5
2
0
-1
-3
-5
-8
-10
-12
-14
-14
-15
-15
-16
-16

Relative Humidity (%)

74
72
71
71
70
65
67
74
72
39
42
42
43
39
36
33
28
26
24
23
23
22
21
19

Pressure (mb)

1014
1014
1013
1012
1012
1013
1013
1013
1015
1017
1020
1022
1024
1025
1026
1027
1028
1029
1030
1030
1031
1032
1033
1034

Ozone (du)

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

Monday 29

Waxing Gibbous 75%

13:19

03:18

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 OK
05 OK
06 OK
07 OK
08 OK
09 OK
10 OK

Sun - Rise: 07:27, Set: 17:39, Transit: 12:33. Moon - Rise: 13:19, Set: 03:18. Civil Dark: 18:05 - 07:01. Nautical Dark: 18:35 - 06:31. Astro Dark: 19:05 - 06:01

Total Clouds (% Sky Obscured)

98
99
100
97
89
93
96
100
100
100
100
100
100
95
92
94
74
40
22
23
25
25
20
20

Low Clouds (% Sky Obscured)

0
50
49
55
60
60
70
70
70
65
65
65
45
40
30
20
20
6
1
1
2
3
1
0

Medium Clouds (% Sky Obscured)

77
63
85
66
63
83
87
71
100
98
89
97
73
68
73
92
70
7
6
6
10
10
5
5

High Clouds (% Sky Obscured)

60
38
28
15
28
40
59
86
97
99
84
97
89
55
46
42
18
35
17
23
25
25
20
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 (%)

20
26
36
18
6
3
1
8
18
8
3
3
4
3
1
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)

17
17
14
13
14
13
12
10
10
10
10
10
10
10
10
9
9
8
7
5
6
5
5
6

Chance of Frost

Temperature (°C)

6
7
6
7
7
7
7
8
8
8
7
7
7
7
7
6
6
6
5
4
4
4
5
6

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

17
15
15
15
17
18
19
19
19
19
20
21
22
23
24
23
22
20
22
24
23
23
22
20

Pressure (mb)

1034
1032
1032
1031
1031
1031
1031
1032
1032
1032
1032
1033
1033
1033
1033
1033
1033
1033
1033
1033
1034
1034
1035
1034

Ozone (du)

243
243
242
242
243
243
242
240
240
240
239
238
239
240
241
244
245
249
254
258
259
262
265
269

Tuesday 30

Waxing Gibbous 85%

14:00

04:31

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

Sun - Rise: 07:27, Set: 17:40, Transit: 12:33. Moon - Rise: 14:00, Set: 04:31. Civil Dark: 18:06 - 07:01. Nautical Dark: 18:36 - 06:31. Astro Dark: 19:05 - 06:02

Total Clouds (% Sky Obscured)

20
15
15
15
12
10
24
25
35
40
40
21
33
40
30
34
25
25
30
35
39
48
35
35

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
0
0
4
10
15
15
31
36
31
35

Medium Clouds (% Sky Obscured)

5
0
0
0
0
1
3
0
0
9
10
2
3
5
4
3
5
4
5
10
20
30
30
35

High Clouds (% Sky Obscured)

14
10
5
10
3
2
5
5
5
14
15
9
13
23
28
34
25
25
25
25
20
15
10
5

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

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

Dew Point (°C)

-15
-14
-14
-14
-13
-14
-12
-13
-13
-13
-14
-14
-13
-13
-13
-13
-13
-13
-13
-14
-13
-13
-13
-12

Relative Humidity (%)

19
18
17
17
16
16
19
20
20
20
21
20
23
24
22
23
25
23
22
22
22
23
22
22

Pressure (mb)

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

Ozone (du)

271
273
273
274
277
278
278
278
278
281
281
282
286
290
291
290
292
293
295
296
297
297
297
294

Wednesday 31

Waxing Gibbous 93%

14:49

05:44

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

Sun - Rise: 07:27, Set: 17:40, Transit: 12:34. Moon - Rise: 14:49, Set: 05:44. Civil Dark: 18:07 - 07:01. Nautical Dark: 18:37 - 06:31. Astro Dark: 19:06 - 06:02

Total Clouds (% Sky Obscured)

35
30
35
50
50
50
40
38
43
49
36
21
15
26
31
36
44
51
55
53
58
59
59
55

Low Clouds (% Sky Obscured)

35
28
30
8
17
35
35
25
20
20
20
20
15
11
5
2
2
1
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

23
30
35
37
50
50
40
38
43
40
35
0
0
0
0
0
0
0
0
0
0
0
14
19

High Clouds (% Sky Obscured)

5
5
5
10
15
15
20
30
39
49
36
14
0
6
8
10
18
22
33
45
49
54
44
40

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
5
7
8
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
0
2
14
53
59
39
26
2
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0.2
0.2
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

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

Chance of Frost

Temperature (°C)

10
12
13
13
15
14
13
12
10
9
8
8
8
8
9
8
8
7
7
7
8
8
9
11

Feels Like (°C)

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

Dew Point (°C)

-10
-9
-9
-9
-7
-6
-4
-4
2
4
5
5
5
5
6
6
6
6
5
6
5
5
5
4

Relative Humidity (%)

22
21
21
21
21
24
29
31
57
73
78
79
79
81
84
87
90
90
88
90
82
78
74
63

Pressure (mb)

1026
1025
1024
1023
1022
1021
1022
1022
1023
1023
1023
1023
1023
1022
1022
1021
1021
1020
1020
1020
1020
1020
1021
1020

Ozone (du)

293
291
289
288
288
284
282
281
279
278
280
284
285
284
282
281
279
278
276
275
275
275
276
277

Thursday 1

Waxing Gibbous 98%

15:48

06:54

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

Sun - Rise: 07:28, Set: 17:41, Transit: 12:34. Moon - Rise: 15:48, Set: 06:54. Civil Dark: 18:07 - 07:01. Nautical Dark: 18:37 - 06:31. Astro Dark: 19:07 - 06:02

Total Clouds (% Sky Obscured)

55
60
45
40
39
38
37
36
43
53
58
33
8
7
6
10
11
7
8
11
10
10
9
13

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
7
16
24
16
9
0
0
0
0
0
0
0
0
0
0
0
0

Medium Clouds (% Sky Obscured)

19
0
0
0
0
0
0
0
4
4
3
1
0
0
0
0
0
0
1
0
0
0
0
0

High Clouds (% Sky Obscured)

40
35
25
15
7
5
1
6
11
15
29
33
8
7
6
10
11
7
8
11
10
10
9
13

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
1
1
9
10
6
7
6
3
2
1
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)

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

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

8
8
16
16
15
16
17
18
15
16
15
15
14
14
10
10
10
10
9
9
7
7
7
6

Dew Point (°C)

4
4
4
4
5
5
6
7
7
8
8
7
7
7
7
7
7
7
7
7
6
6
5
5

Relative Humidity (%)

55
47
45
44
42
47
52
57
60
63
67
68
70
71
72
73
75
77
78
81
78
74
71
64

Pressure (mb)

1020
1019
1018
1017
1016
1016
1016
1016
1016
1016
1017
1017
1017
1017
1017
1017
1016
1017
1017
1017
1018
1018
1019
1019

Ozone (du)

279
280
280
280
280
279
278
277
276
275
274
274
274
274
273
273
272
273
273
273
273
274
274
273

Friday 2

Waxing Gibbous 100%

16:56

07:55

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 Good
02 Good
03 OK
04 OK
05 OK

Sun - Rise: 07:28, Set: 17:42, Transit: 12:35. Moon - Rise: 16:56, Set: 07:55. Civil Dark: 18:08 - 07:02. Nautical Dark: 18:38 - 06:32. Astro Dark: 19:07 - 06:02

Total Clouds (% Sky Obscured)

8
13
9
10
4
4
3
0
0
0
0
5
5
14
15
15
15
15
15

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
5
2
0

Medium Clouds (% Sky Obscured)

0
12
9
10
4
4
3
0
0
0
0
5
5
14
15
15
15
15
15

High Clouds (% Sky Obscured)

8
13
9
10
4
4
3
0
0
0
0
5
5
14
15
15
15
15
15

ISS Passover

Visibility (miles)

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

Precipitation Type

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
13
19
22

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

8
8
7
7
7
6
5
5
4
4
4
4
3
4
4
4
4
3
3

Chance of Frost

Temperature (°C)

13
14
15
15
16
15
14
13
13
12
11
11
11
12
12
11
12
12
12

Feels Like (°C)

6
6
13
12
13
13
14
14
11
11
10
10
10
10
9
9
9
9
9

Dew Point (°C)

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

Relative Humidity (%)

59
53
51
49
48
52
56
60
62
65
66
66
66
66
71
76
80
84
87

Pressure (mb)

1019
1018
1017
1016
1015
1015
1015
1015
1015
1016
1016
1016
1015
1015
1015
1014
1014
1013
1013

Ozone (du)

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

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

Generated: 27/12/25 11:29:36. Forecast: 27/12/25 to 02/01/26. Timezone: UTC-6.00