Onslow, Western Australia
August 2026 Daily Weather Observations

Observations from the airport.

DateDayTempsRainEvapSunMax wind gust9 am3 pm
MinMaxDirSpdTimeTempRHCldDirSpdMSLPTempRHCldDirSpdMSLP
°C°Cmmmmhourskm/hlocal°C%8thkm/hhPa°C%8thkm/hhPa
1Sa11.930.40  NNE2613:5218.932 SSE131019.429.714 NNW131016.2
2Su14.130.10  NNE3314:0622.450 E111018.027.038 N241015.6
3Mo20.728.10  NNE2614:5522.293 NE111017.927.655 NNE201015.6
4Tu20.627.10  NNE2414:1022.582 E171017.725.579 NNE171016.0
5We20.429.40  NW2616:2323.176 S131017.926.265 NNW191015.2
6Th20.228.00  WNW3015:1122.779 WSW61017.625.965 WNW201015.9
7Fr20.627.70  WNW3716:0222.676 SSE151017.627.257 WNW281015.4
8Sa20.428.00  SSW5416:0421.666 SSW241019.827.241 SSW331016.7
9Su13.325.90  SE5409:0517.139 SE391021.525.120 SE191016.8
10Mo9.524.80  WNW2815:5116.543 SE111018.523.240 WNW151015.9
11Tu12.225.90  SE5209:5818.158 SSE311020.225.229 SE301017.3
12We11.824.80  ESE4609:0018.119 ESE351022.322.329 NNW201019.2
13Th11.825.20  E3709:0920.129 E221021.323.635 NNW201017.8
14Fr12.427.50  WNW3114:0319.431 S131019.025.330 WNW261016.2
15Sa12.427.90  ESE3110:0920.257 SSW131018.825.635 NW201017.5
16Su13.229.10  N4114:0120.964 E71019.526.244 N311016.6
17Mo20.028.20  WSW3316:4123.263 SSE91020.025.464 WNW191017.4
18Tu20.827.40  W3713:1823.754 SSW151019.322.575 S111017.0
19We18.129.30.2  NNW2614:1823.864 SE171019.027.347 NNW201017.3
20Th20.330.00.2  NNW2414:4225.964 ESE71020.929.149 NNW171018.7
21Fr20.130.00  N2211:4526.446 E111020.626.747 N171017.6
22Sa20.329.30  SW4123:1424.077 SSW151020.928.356 WNW261017.6
23Su17.329.70  S4311:1921.763 S261020.928.729 SW201017.1
24Mo14.629.50  WNW4314:5421.550 SSE171021.925.648 WNW311017.6
25Tu14.428.50  N4313:4422.043 SE151020.225.854 NNE281017.9
26We17.027.70  WNW3000:2523.374 ESE71020.226.159 NW201017.6
27Th16.728.70  SW3512:5922.166 SSW131022.227.644 SW171018.9
28Fr15.928.70  SSE4409:3522.143 SSE311021.727.817 SW201018.1
29Sa13.327.90  S3308:2121.337 SSE221020.726.532 WNW241017.3
30Su18.228.10  WNW3516:1923.546 SE41019.227.244 WNW201016.7
31Mo17.329.60  WNW3316:2023.945 S111020.828.245 WNW241018.7
Statistics for August 2026
Mean16.428.1      21.855  161019.926.344  211017.1
Lowest9.524.80     16.519 SE41017.622.314 S111015.2
Highest20.830.40.2  #54 26.493 SE391022.329.779 SSW331019.2
Total  0.4                 

IDCJDW6103.202608   Prepared at 13:03 UTC on Wednesday 2 September 2026

Source of data

Observations were drawn from Onslow Airport {station 005017}.

The airport is approximately 4 kilometres from the coast and therefore averages slightly higher maximum and slightly lower minimum temperatures than the town. Other conditions, such as winds, can also differ significantly at times.

You should read the important information in these notes.

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Other times and other places

The last 14 months of Daily Weather Observations for Onslow, Western Australia are also here on this web site:

Sep 26   Aug 26   Jul 26   Jun 26   May 26   Apr 26   Mar 26   Feb 26   
Jan 26   Dec 25   Nov 25   Oct 25   Sep 25   Aug 25   

Daily Weather Observations are also routinely prepared for hundreds of other locations in Western Australia and across Australia. To get other months or places not on this web site, contact us.

Climate statistics

If you are after long-term averages relevant to Onslow, Western Australia, look at the tables for Onslow Airport or Onslow.

Maps and tables of average conditions for locations across Australia are also available.

More information

If you are using these pages, you are deemed to have understood the important information in these notes. They cover how the data are obtained, how they are processed, and what each column means.

If you have any questions about this product, or you want any other weather or climate information, please contact us.