Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 24

Waxing Crescent 17%

08:40

22:29

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

Sun - Rise: 05:08, Set: 19:23, Transit: 12:16. Moon - Rise: 08:40, Set: 22:29. Civil Dark: 19:51 - 04:40. Nautical Dark: 20:26 - 04:06. Astro Dark: 21:03 - 03:29

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
6
0
10
28
2
6
19
49
60
55
58

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
6
0
5
9
2
2
4
1
1
23
58

High Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
6
0
1
4
13
14
18
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)

17
17
16
16
16
16
14
11
9
7
4
4
7
8
10
10
8
7
7
9
11
12
12
13

Chance of Frost

Temperature (°C)

22
21
21
22
23
26
28
30
32
33
34
34
31
29
29
28
28
28
28
29
28
28
27
27

Feels Like (°C)

18
17
17
19
20
23
25
29
31
32
34
34
31
28
28
27
27
26
26
27
26
24
23
22

Dew Point (°C)

12
11
11
11
10
9
9
10
9
10
10
11
10
10
11
10
10
7
7
7
8
9
9
9

Relative Humidity (%)

53
53
53
50
43
35
30
27
24
23
23
25
27
30
32
32
31
27
25
25
27
29
31
31

Pressure (mb)

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

Ozone (du)

280
278
278
278
279
280
281
281
280
278
278
277
277
275
275
274
272
272
272
271
271
271
270
270

Thursday 25

Waxing Crescent 25%

09:41

22:58

04 Bad
05 Bad
06 Bad
07 OK
08 OK
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 Bad
02 Bad
03 Bad

Sun - Rise: 05:09, Set: 19:23, Transit: 12:16. Moon - Rise: 09:41, Set: 22:58. Civil Dark: 19:51 - 04:41. Nautical Dark: 20:26 - 04:06. Astro Dark: 21:03 - 03:30

Total Clouds (% Sky Obscured)

75
77
75
21
34
58
37
64
75
77
56
71
52
29
75
54
65
89
87
32
44
97
99
96

Low Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
1
0
0
0
0
2
2
0
2
0
0
18
36
35
40
42

Medium Clouds (% Sky Obscured)

74
72
71
19
34
58
36
64
67
72
38
69
45
27
68
52
55
84
80
32
43
62
47
34

High Clouds (% Sky Obscured)

4
21
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
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
6

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)

14
14
15
16
16
16
15
14
12
8
5
5
7
6
6
6
9
7
6
11
10
11
13
12

Chance of Frost

Temperature (°C)

27
26
26
27
28
30
32
33
34
35
34
33
33
31
30
29
26
25
24
23
23
22
22
22

Feels Like (°C)

23
23
22
22
25
26
27
30
30
32
34
33
31
29
30
27
26
25
24
23
24
24
21
22

Dew Point (°C)

9
9
9
9
9
9
9
9
10
11
11
11
9
17
17
18
17
16
16
19
19
19
19
19

Relative Humidity (%)

32
34
33
31
29
27
24
23
23
23
24
24
23
43
45
51
56
57
61
75
78
80
81
85

Pressure (mb)

1008
1008
1009
1009
1009
1009
1008
1007
1006
1005
1004
1004
1003
1003
1003
1003
1004
1004
1005
1005
1005
1004
1004
1005

Ozone (du)

270
273
272
274
274
273
273
271
271
273
272
271
270
268
266
267
264
263
263
264
262
262
262
263

Friday 26

Waxing Crescent 35%

10:42

23:26

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 OK
17 OK
18 OK
19 OK
20 OK
21 OK
22 OK
23 OK
00 Good
01 Good
02 Good
03 Good

Sun - Rise: 05:10, Set: 19:24, Transit: 12:17. Moon - Rise: 10:42, Set: 23:26. Civil Dark: 19:52 - 04:41. Nautical Dark: 20:26 - 04:07. Astro Dark: 21:04 - 03:30

Total Clouds (% Sky Obscured)

92
73
92
90
91
83
91
81
58
67
70
61
19
18
12
11
17
19
23
15
8
0
0
0

Low Clouds (% Sky Obscured)

64
59
55
88
86
72
88
80
58
56
68
50
19
18
12
11
17
19
23
15
8
0
0
0

Medium Clouds (% Sky Obscured)

44
19
46
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
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 (%)

18
21
20
20
18
18
6
13
12
8
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)

12
11
12
16
17
18
19
18
19
22
22
22
22
22
22
22
22
21
20
20
19
17
16
15

Chance of Frost

Temperature (°C)

22
21
21
21
21
21
20
21
21
21
20
20
20
20
19
19
18
18
18
18
17
16
16
15

Feels Like (°C)

22
21
21
20
19
17
17
17
17
17
15
15
14
15
14
14
13
14
13
13
12
11
12
11

Dew Point (°C)

19
19
19
18
18
17
16
14
14
15
14
13
11
11
10
10
10
10
9
8
8
8
8
8

Relative Humidity (%)

87
87
87
84
81
79
74
65
64
70
67
64
57
56
55
56
57
58
55
54
57
59
61
64

Pressure (mb)

1005
1006
1007
1007
1008
1009
1009
1010
1010
1010
1011
1011
1011
1011
1012
1013
1013
1014
1014
1015
1015
1015
1015
1015

Ozone (du)

264
266
268
270
273
273
273
273
272
272
271
271
270
270
270
272
273
272
273
273
273
273
274
275

Saturday 27

Waxing Crescent 46%

11:43

23:54

04 Good
05 Good
06 OK
07 OK
08 OK
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
02 Good
03 Good

Sun - Rise: 05:10, Set: 19:24, Transit: 12:17. Moon - Rise: 11:43, Set: 23:54. Civil Dark: 19:52 - 04:42. Nautical Dark: 20:27 - 04:08. Astro Dark: 21:04 - 03:31

Total Clouds (% Sky Obscured)

0
12
26
39
27
12
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Low Clouds (% Sky Obscured)

0
12
26
34
21
11
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
0
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
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)

14
13
12
12
12
11
11
12
15
18
20
21
22
22
22
21
20
20
18
16
15
14
12
12

Chance of Frost

Temperature (°C)

15
15
15
15
16
18
19
20
20
20
20
20
20
20
20
20
20
20
20
20
20
19
19
18

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

65
64
63
56
48
42
37
36
38
49
54
51
58
60
61
62
63
62
58
52
44
44
48
52

Pressure (mb)

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

Ozone (du)

274
273
275
276
277
278
277
278
278
277
278
278
279
280
281
281
280
280
281
281
281
281
282
283

Sunday 28

First Quarter 57%

12:46

00:24

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 OK
00 OK
01 OK
02 OK
03 OK

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 - 03:32

Total Clouds (% Sky Obscured)

0
0
0
0
0
0
0
0
0
0
0
0
0
2
3
3
3
4
5
12
17
23
21
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)

0
0
0
0
0
0
0
0
0
0
0
0
0
1
2
1
2
2
3
11
14
16
17
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
1
0
2
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)

11
12
11
10
9
7
7
10
14
18
20
20
20
21
21
21
22
21
21
21
18
16
14
14

Chance of Frost

Temperature (°C)

17
17
17
18
19
20
22
23
23
22
22
22
21
21
21
21
22
21
21
21
21
20
19
19

Feels Like (°C)

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

Dew Point (°C)

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

Relative Humidity (%)

55
57
57
53
44
39
38
39
40
49
56
57
58
60
60
61
61
56
51
48
50
53
55
58

Pressure (mb)

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

Ozone (du)

283
282
281
283
285
284
284
282
282
282
283
282
281
281
281
281
282
282
282
283
283
283
284
285

Monday 29

Waxing Gibbous 69%

13:52

00:57

04 OK
05 OK
06 Good
07 Good
08 Good
09 Good
10 Good
11 Good
12 OK
13 OK
14 Good
15 Good
16 Good
17 OK
18 OK
19 OK
20 OK
21 Good
22 Good
23 Good
00 Good
01 Good
02 Good
03 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 - 03:33

Total Clouds (% Sky Obscured)

22
18
11
5
5
4
4
11
18
20
11
8
7
22
33
34
18
7
0
0
0
0
4
8

Low Clouds (% Sky Obscured)

0
0
0
0
1
2
3
2
1
0
0
0
0
0
0
0
0
0
0
0
0
0
4
8

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)

22
18
11
5
4
2
0
0
0
0
0
0
0
17
27
34
11
3
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)

14
14
14
13
14
12
11
10
12
15
18
18
18
18
17
19
22
20
18
18
17
16
16
15

Chance of Frost

Temperature (°C)

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

Feels Like (°C)

15
14
14
14
13
18
18
19
20
21
22
22
21
20
20
20
20
18
18
17
17
17
17
14

Dew Point (°C)

10
10
10
9
9
10
11
11
12
13
14
15
16
17
17
16
16
14
12
10
10
10
10
10

Relative Humidity (%)

60
62
58
53
50
47
45
42
45
49
52
56
59
61
61
60
59
56
52
49
52
54
58
60

Pressure (mb)

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

Ozone (du)

287
288
290
291
292
293
294
295
295
295
295
295
294
294
292
291
289
288
288
287
287
287
287
286

Tuesday 30

Waxing Gibbous 79%

15:02

01:36

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)

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: 24/12/25 04:10:04. Forecast: 24/12/25 to 30/12/25. Timezone: UTC+8.00