Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 31

Waxing Gibbous 87%

16:52

02:52

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

Sun - Rise: 05:47, Set: 20:09, Transit: 12:58. Moon - Rise: 16:52, Set: 02:52. Civil Dark: 20:38 - 05:18. Nautical Dark: 21:13 - 04:43. Astro Dark: 21:52 - 04:04

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
90
100
100
100
94
39
100
86
92
84
64
67
62
97
97
96
100

Low Clouds (% Sky Obscured)

5
7
7
11
15
14
15
10
9
21
48
13
15
20
23
23
29
28
27
50
95
95
94
100

Medium Clouds (% Sky Obscured)

42
79
92
42
33
36
28
22
98
100
100
39
22
33
81
57
40
22
26
9
11
26
42
64

High Clouds (% Sky Obscured)

100
100
100
100
100
100
100
57
100
100
100
94
34
100
51
53
37
1
0
0
0
3
3
4

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

Moderate Rain
Moderate Rain
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

95
95
95
0
0
0
0
0
1
5
12
6
1
3
6
9
5
2
9
23
27
31
27
25

Precipitation Amount (mm)

8.1
2.7
0.5
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)

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

Chance of Frost

Temperature (°C)

17
17
19
20
21
22
23
23
23
23
22
21
21
21
20
19
19
19
19
19
19
19
19
19

Feels Like (°C)

16
17
19
20
20
21
21
21
21
21
20
20
20
21
20
19
18
18
19
19
20
18
18
18

Dew Point (°C)

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

Relative Humidity (%)

77
70
63
58
52
53
53
50
51
51
60
59
57
61
67
70
69
70
76
80
85
82
84
86

Pressure (mb)

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

Ozone (du)

276
278
281
280
282
284
284
285
286
286
289
293
297
296
295
296
295
296
294
292
291
290
289
288

Thursday 1

Waxing Gibbous 95%

18:08

03:48

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 OK
03 Bad
04 Bad
05 OK

Sun - Rise: 05:48, Set: 20:09, Transit: 12:58. Moon - Rise: 18:08, Set: 03:48. Civil Dark: 20:38 - 05:19. Nautical Dark: 21:13 - 04:43. Astro Dark: 21:52 - 04:05

Total Clouds (% Sky Obscured)

91
92
96
99
97
99
99
99
96
97
97
96
95
94
87
94
90
73
77
79
44
52
48
37

Low Clouds (% Sky Obscured)

87
91
95
99
97
99
98
99
96
94
95
93
95
94
85
90
85
67
58
61
44
52
48
37

Medium Clouds (% Sky Obscured)

52
56
54
70
53
66
67
71
55
44
25
14
0
0
0
5
2
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

4
4
0
0
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
8
8
5
7
7
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
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
None
None
None

Precipitation Probability (%)

36
36
47
51
49
45
41
25
27
27
9
4
2
6
2
1
2
0
1
3
3
1
4
0

Precipitation Amount (mm)

0
0
0.3
0.3
0.3
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

11
11
10
13
16
17
18
18
17
16
15
15
15
13
11
10
10
9
8
8
8
6
5
5

Chance of Frost

Temperature (°C)

19
19
19
19
19
19
19
19
19
19
19
19
19
19
18
18
18
18
18
18
18
17
17
16

Feels Like (°C)

18
18
19
18
17
17
17
16
16
16
17
17
16
16
16
16
17
17
16
16
16
17
17
17

Dew Point (°C)

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

Relative Humidity (%)

86
85
82
81
84
81
80
78
78
76
77
75
71
71
71
69
67
66
67
66
67
72
73
73

Pressure (mb)

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

Ozone (du)

289
288
285
283
282
279
278
277
276
276
276
275
274
274
275
275
275
275
274
273
274
274
273
273

Friday 2

Waxing Gibbous 99%

19:19

04:54

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

Sun - Rise: 05:49, Set: 20:09, Transit: 12:59. Moon - Rise: 19:19, Set: 04:54. Civil Dark: 20:38 - 05:20. Nautical Dark: 21:14 - 04:44. Astro Dark: 21:52 - 04:06

Total Clouds (% Sky Obscured)

45
39
61
65
65
58
52
45
52
43
36
29
29
39
87
85
85
82
79
75
81
85
88
89

Low Clouds (% Sky Obscured)

34
12
55
57
64
57
52
45
52
43
36
29
29
39
55
68
80
78
76
43
42
50
33
32

Medium Clouds (% Sky Obscured)

0
0
0
0
0
1
0
5
11
1
0
0
0
0
0
0
0
0
0
1
2
19
25
33

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
4
0
1
28
23
25
24
19
44
50
53
60
65

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
1
2
14
16
17
7
4
11
11
3
7

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
4
6
7
8
10
11
11
10
11
11
10
10
10
8
5
6
8
8
7
6
5
5
5

Chance of Frost

Temperature (°C)

16
17
19
20
21
21
21
22
22
22
22
21
21
20
19
19
19
19
19
19
18
18
18
18

Feels Like (°C)

17
17
19
20
19
20
19
20
21
21
20
21
20
20
20
18
19
18
18
18
18
18
18
18

Dew Point (°C)

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

Relative Humidity (%)

74
67
59
55
53
53
53
52
52
54
56
57
60
62
69
78
77
75
71
70
73
74
73
76

Pressure (mb)

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

Ozone (du)

272
273
274
273
273
273
272
272
272
272
272
273
273
274
273
272
271
270
270
270
269
269
269
269

Saturday 3

Full Moon 100%

20:21

06:06

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: 05:49, Set: 20:09, Transit: 12:59. Moon - Rise: 20:21, Set: 06:06. Civil Dark: 20:38 - 05:21. Nautical Dark: 21:14 - 04:45. Astro Dark: 21:52 - 04:07

Total Clouds (% Sky Obscured)

89
62
91
94
97
94
90
87
53
49
67
76
86
99
99
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

29
26
39
48
78
86
71
69
39
33
15
8
12
17
14
10
9
6
3
0
8
17
26
18

Medium Clouds (% Sky Obscured)

46
48
51
53
49
51
42
25
23
20
30
35
56
55
39
30
25
42
59
77
75
58
72
64

High Clouds (% Sky Obscured)

55
4
29
40
35
30
30
25
3
4
21
40
67
96
97
99
100
100
100
100
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 (%)

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
Light Rain
Very Light Rain

Precipitation Probability (%)

10
6
6
6
4
7
6
2
12
12
6
8
13
8
1
3
2
0
0
0
8
38
64
49

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
0.6
0.3

Wind Speed/Direction (mph)

5
4
6
7
8
11
11
11
13
13
14
13
13
13
14
11
10
9
8
9
6
9
3
2

Chance of Frost

Temperature (°C)

18
19
20
21
22
23
23
23
24
24
24
23
22
22
21
21
21
21
20
20
20
20
20
19

Feels Like (°C)

18
19
21
20
21
21
21
22
22
23
22
22
21
21
19
20
21
21
21
20
21
19
21
21

Dew Point (°C)

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

Relative Humidity (%)

76
71
63
59
56
57
60
59
59
58
60
63
71
75
79
81
85
85
88
88
85
85
88
86

Pressure (mb)

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

Ozone (du)

269
271
272
271
271
272
272
271
272
272
269
267
268
269
270
271
273
274
277
279
280
281
282
283

Sunday 4

Waning Gibbous 98%

21:12

06:06

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

Sun - Rise: 05:50, Set: 20:09, Transit: 12:59. Moon - Rise: 21:12, Set: 06:06. Civil Dark: 20:38 - 05:22. Nautical Dark: 21:14 - 04:46. Astro Dark: 21:52 - 04:08

Total Clouds (% Sky Obscured)

99
87
64
38
16
17
52
57
69
84
99
34
54
74
68
63
58
71
80
90
66
40
13
13

Low Clouds (% Sky Obscured)

10
0
7
15
16
17
24
24
16
12
0
0
0
4
2
1
0
1
1
0
0
0
0
0

Medium Clouds (% Sky Obscured)

46
45
30
15
0
0
0
0
18
35
28
30
49
67
63
59
53
50
48
43
33
24
12
9

High Clouds (% Sky Obscured)

99
87
64
32
0
0
15
20
47
72
99
11
26
37
30
22
14
41
68
90
63
33
0
1

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
5
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
Very Light Rain
Very Light Rain
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

21
3
28
25
4
3
3
4
64
95
42
68
58
21
29
24
1
5
4
1
3
6
8
10

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.3
1.5
0
0.3
0.2
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

4
4
3
5
7
10
12
14
15
16
11
8
4
3
8
5
3
4
3
2
2
3
4
5

Chance of Frost

Temperature (°C)

19
20
21
23
24
25
26
26
27
26
23
25
26
25
24
23
23
22
22
22
22
21
21
21

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

86
80
66
55
51
50
50
55
60
65
72
54
60
64
70
77
84
91
92
92
92
94
94
95

Pressure (mb)

1012
1013
1013
1013
1013
1012
1012
1011
1010
1010
1009
1009
1009
1010
1010
1010
1011
1011
1010
1009
1009
1008
1008
1008

Ozone (du)

285
285
285
284
284
284
285
284
283
281
283
282
284
285
286
287
287
288
287
286
285
285
285
285

Monday 5

Waning Gibbous 93%

21:53

07:21

06 OK
07 OK
08 OK
09 OK
10 OK
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: 05:51, Set: 20:10, Transit: 13:00. Moon - Rise: 21:53, Set: 07:21. Civil Dark: 20:38 - 05:22. Nautical Dark: 21:14 - 04:47. Astro Dark: 21:52 - 04:09

Total Clouds (% Sky Obscured)

14
19
28
37
46
61
77
90
93
94
96
94
92
90
93
96
100
98
98
98
98
99
99
84

Low Clouds (% Sky Obscured)

0
0
0
0
0
7
13
13
20
21
22
20
29
31
29
11
3
4
4
0
0
0
0
0

Medium Clouds (% Sky Obscured)

6
1
7
13
17
16
20
23
22
22
21
37
49
56
62
71
89
69
49
29
27
23
21
16

High Clouds (% Sky Obscured)

1
5
9
17
22
48
69
90
88
86
83
68
51
32
55
77
100
98
98
98
98
99
99
63

ISS Passover

Visibility (miles)

9
9
9
9
9
9
7
5
3
4
5
6
6
7
7
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
Very Light Rain
Light Rain
Light Rain
None
Very Light Rain
Light Rain
Very Light Rain
Very Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None

Precipitation Probability (%)

5
0
6
5
2
10
22
32
53
68
71
58
63
73
64
58
62
49
38
28
25
21
19
23

Precipitation Amount (mm)

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

Wind Speed/Direction (mph)

4
3
2
2
4
6
7
8
9
10
11
12
12
12
14
13
12
12
12
12
13
12
11
11

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

24
25
25
26
27
28
34
34
34
33
33
31
27
26
25
24
24
23
21
21
21
21
21
21

Dew Point (°C)

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

Relative Humidity (%)

88
80
73
66
60
54
61
69
77
79
81
83
84
88
89
89
91
91
89
89
89
89
89
89

Pressure (mb)

1008
1008
1009
1008
1008
1008
1007
1006
1006
1006
1007
1007
1008
1008
1009
1009
1010
1010
1010
1010
1010
1009
1009
1009

Ozone (du)

286
287
287
287
286
286
285
283
282
286
290
295
294
294
293
291
290
288
286
284
282
280
278
276

Tuesday 6

Waning Gibbous 86%

22:27

08:32

Sun - Rise: 05:52, Set: 20:10, Transit: 13:00. Moon - Rise: 22:27, Set: 08:32. Civil Dark: 20:38 - 05:23. Nautical Dark: 21:14 - 04:48. Astro Dark: 21:52 - 04:10

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 Sydney, Australia (-33.87,151.21)

Generated: 31/12/25 06:12:08. Forecast: 31/12/25 to 06/01/26. Timezone: UTC+11.00