Clear Outside v1.0 - International Weather Forecasts For Astronomers

Sunday 28

First Quarter 57%

12:46

00:24

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 Bad
16 Bad
17 Good
18 Bad
19 Bad
20 Good
21 Good
22 Good
23 Good
00 Good
01 Good

Sun - Rise: 05:11, Set: 19:24, Transit: 12:18. Moon - Rise: 12:46, Set: 00:24. Civil Dark: 19:52 - 04:43. Nautical Dark: 20:27 - 04:08. Astro Dark: 21:04 - 03:31

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
60
47
3
57
69
5
0
0
0
0
0

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
2
2
0
0
0
0
0
0
0

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
23
16
0
57
69
5
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
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)

16
14
12
11
10
10
9
8
6
8
15
18
21
23
23
23
22
21
22
23
22
20
19
17

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

14
15
15
15
15
16
17
20
23
22
19
18
18
17
16
16
17
18
17
17
17
17
16
16

Dew Point (°C)

9
9
9
9
9
9
8
7
8
8
10
12
13
12
13
14
15
16
16
14
13
12
11
11

Relative Humidity (%)

58
56
58
61
63
57
49
40
38
37
43
52
55
53
58
63
67
71
68
63
59
55
57
58

Pressure (mb)

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

Ozone (du)

285
283
284
284
283
283
284
285
286
287
285
285
285
283
283
283
284
285
286
286
286
285
285
284

Monday 29

Waxing Gibbous 69%

13:52

00:57

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 OK
21 Bad
22 Bad
23 OK
00 Good
01 Good

Sun - Rise: 05:12, Set: 19:25, Transit: 12:18. Moon - Rise: 13:52, Set: 00:57. Civil Dark: 19:53 - 04:43. Nautical Dark: 20:27 - 04:09. Astro Dark: 21:04 - 03:32

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
8
0
0
0
0
0
0
0
3
19
68
49
30
1
0

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
8
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)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
19
25
27
15
1
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)

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

Chance of Frost

Temperature (°C)

19
19
18
18
18
18
20
22
24
25
26
26
26
26
25
26
26
27
27
26
24
22
21
20

Feels Like (°C)

16
15
16
15
16
16
18
20
23
25
26
24
22
22
21
22
22
24
25
22
19
17
17
17

Dew Point (°C)

11
11
12
11
11
11
10
10
10
11
12
13
14
15
16
16
16
14
11
9
9
10
10
10

Relative Humidity (%)

60
62
64
65
65
61
53
47
43
40
42
45
46
52
55
56
53
45
37
35
39
46
49
50

Pressure (mb)

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

Ozone (du)

284
286
286
288
290
291
291
292
293
292
292
291
291
291
290
289
289
289
289
289
288
288
288
287

Tuesday 30

Waxing Gibbous 79%

15:02

01:36

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 Good

Sun - Rise: 05:12, Set: 19:25, Transit: 12:19. Moon - Rise: 15:02, Set: 01:36. Civil Dark: 19:53 - 04:44. Nautical Dark: 20:27 - 04:10. Astro Dark: 21:05 - 03:33

Total Clouds (% Sky Obscured)

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

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
2
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)

0
0
0
0
2
2
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
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)

16
15
15
14
14
14
13
12
10
8
5
7
13
15
15
13
12
10
10
10
10
8
12
13

Chance of Frost

Temperature (°C)

19
19
18
18
18
19
20
22
25
26
27
28
26
25
25
25
25
25
25
25
24
24
24
23

Feels Like (°C)

15
16
15
15
16
16
18
20
24
26
29
28
24
22
22
22
23
23
23
24
24
24
21
20

Dew Point (°C)

10
10
10
10
10
11
11
11
11
11
12
13
13
13
15
16
16
16
16
15
15
13
9
10

Relative Humidity (%)

54
57
59
59
59
58
53
47
42
39
38
38
43
48
55
56
58
59
57
54
55
50
37
45

Pressure (mb)

1019
1019
1019
1019
1020
1020
1020
1020
1019
1018
1017
1016
1016
1015
1015
1014
1014
1014
1014
1014
1014
1014
1014
1014

Ozone (du)

286
286
287
287
287
288
287
287
287
286
285
286
285
284
283
283
282
280
280
280
280
279
278
278

Wednesday 31

Waxing Gibbous 88%

16:16

No Set

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

Sun - Rise: 05:13, Set: 19:25, Transit: 12:19. Moon - Rise: 16:16, Set: No Set. Civil Dark: 19:53 - 04:45. Nautical Dark: 20:28 - 04:11. Astro Dark: 21:05 - 03:33

Total Clouds (% Sky Obscured)

0
2
21
11
1
0
0
2
7
6
13
10
3
7
5
1
0
0
0
13
45
45
50
50

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)

0
2
21
11
0
0
0
0
6
6
13
10
3
7
5
1
0
0
0
13
45
45
50
50

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)

15
16
15
15
15
14
14
12
10
7
2
5
11
14
15
16
15
14
13
11
9
8
7
5

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

18
17
17
16
16
19
20
23
26
28
31
30
27
25
24
24
24
24
23
24
24
22
22
23

Dew Point (°C)

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

Relative Humidity (%)

47
48
49
49
48
45
38
34
30
27
28
24
30
39
44
44
45
50
56
52
47
41
41
43

Pressure (mb)

1013
1014
1014
1014
1014
1014
1014
1014
1013
1013
1012
1011
1010
1010
1010
1009
1010
1010
1010
1010
1010
1009
1009
1008

Ozone (du)

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

Thursday 1

Waxing Gibbous 95%

17:30

02:24

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 OK
00 OK
01 OK

Sun - Rise: 05:14, Set: 19:25, Transit: 12:20. Moon - Rise: 17:30, Set: 02:24. Civil Dark: 19:53 - 04:46. Nautical Dark: 20:28 - 04:11. Astro Dark: 21:05 - 03:34

Total Clouds (% Sky Obscured)

60
80
88
87
100
98
100
100
100
82
65
47
82
66
49
54
61
78
78
68
59
44
32
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
1
2
4
0
0
0
0
0
0

High Clouds (% Sky Obscured)

60
80
88
84
100
98
100
100
100
82
65
47
82
66
49
53
61
78
75
59
41
33
27
21

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)

5
4
5
6
5
6
7
4
3
6
8
11
12
12
12
13
12
12
11
10
10
9
8
8

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

22
23
23
23
24
23
25
26
28
27
25
24
23
24
23
23
23
22
22
22
22
24
23
23

Dew Point (°C)

12
12
12
12
13
11
9
10
11
15
15
16
15
16
16
16
16
16
16
16
16
17
15
13

Relative Humidity (%)

46
48
48
47
48
40
34
33
33
40
45
49
49
51
53
55
58
60
61
62
64
65
59
54

Pressure (mb)

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

Ozone (du)

276
278
279
281
285
287
287
288
288
287
286
285
286
285
284
283
281
279
278
276
275
274
273
271

Friday 2

Waxing Gibbous 99%

18:40

03:22

02 OK
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 OK
01 Good

Sun - Rise: 05:14, Set: 19:26, Transit: 12:20. Moon - Rise: 18:40, Set: 03:22. Civil Dark: 19:54 - 04:46. Nautical Dark: 20:28 - 04:12. Astro Dark: 21:05 - 03:35

Total Clouds (% Sky Obscured)

35
50
66
65
61
54
65
76
86
92
96
100
93
88
81
77
74
72
78
85
94
68
42
12

Low Clouds (% Sky Obscured)

0
0
0
7
13
15
13
12
12
9
4
0
0
0
0
0
0
0
0
0
0
1
2
3

Medium Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
2
3
4
3
2
1
1
0
0

High Clouds (% Sky Obscured)

35
50
66
65
57
54
62
71
80
83
93
100
87
80
74
73
68
71
78
85
94
67
33
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)

7
8
9
9
9
8
7
8
9
11
12
13
14
15
15
16
15
14
13
13
13
13
12
11

Chance of Frost

Temperature (°C)

23
23
22
22
22
22
23
23
23
23
23
23
23
23
23
22
22
22
21
21
22
22
21
21

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

49
52
56
61
56
52
48
49
49
51
53
55
57
61
65
69
70
73
74
68
64
58
57
56

Pressure (mb)

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

Ozone (du)

270
269
268
267
267
266
265
265
265
265
264
264
264
263
262
262
261
260
260
260
260
260
260
259

Saturday 3

Full Moon 100%

19:41

04:28

Sun - Rise: 05:15, Set: 19:26, Transit: 12:20. Moon - Rise: 19:41, Set: 04:28. Civil Dark: 19:54 - 04:47. Nautical Dark: 20:28 - 04:13. Astro Dark: 21:05 - 03:36

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 Northbridge, City of Perth, Australia (-31.95,115.86)

Generated: 28/12/25 02:58:58. Forecast: 28/12/25 to 03/01/26. Timezone: UTC+8.00