Casterton, Victoria
May 2026 Daily Weather Observations

Most observations from Casterton, pressure taken from Hamilton.

DateDayTempsRainEvapSunMax wind gust9 am3 pm
MinMaxDirSpdTimeTempRHCldDirSpdMSLPTempRHCldDirSpdMSLP
°C°Cmmmmhourskm/hlocal°C%8thkm/hhPa°C%8thkm/hhPa
1Fr14.927.90  N5413:4219.639 NNE171022.227.026 NNW301018.9
2Sa18.626.30  NNE5912:3520.045 NNE241015.223.343 N281011.7
3Su11.417.919.8  N5215:5512.986 N191010.216.359 NNW281008.8
4Mo11.715.80.6  W5017:1712.493 NNW241008.013.790 W281008.6
5Tu10.415.73.8  WSW3004:0011.488 WSW71021.514.872 W131021.5
6We11.317.00.4  W5715:1812.896 NNW171020.515.973 W261016.8
7Th2.613.87.8  WSW4811:557.584 W171025.412.462 WSW261025.3
8Fr7.514.52.6  WSW4604:4311.696 WSW191026.413.592 SW191025.8
9Sa11.416.83.6  S2216:2912.197 S131029.615.673 S131028.2
10Su8.715.50  SE2803:1211.293 SE171031.715.077 SE151030.6
11Mo6.418.50  E2408:539.897 E151033.817.667 NNW61031.9
12Tu6.822.30  NE2212:3611.192 E71034.721.852 NNE111032.0
13We10.020.60  NNE3012:4112.985 ENE131034.119.560 NNE111031.6
14Th9.220.70  N2812:2612.979 NE131031.119.159 NNE151027.7
15Fr12.319.40  NNE3311:0614.873 NE131025.519.162 NNE191021.6
16Sa13.416.20.8  NNE4312:5014.086 NNE171018.015.589 N171015.7
17Su12.318.75.6  E2423:5313.098 Calm1019.516.873 S71018.6
18Mo8.218.20.2  E2400:169.798 E61019.618.063 WSW111016.9
19Tu7.715.71.2  W3917:1111.698 WSW91018.314.768 WSW201018.2
20We7.317.20.8  SW3015:2011.996 W111023.715.765 SW171024.6
21Th5.615.00.2  W2013:229.998 Calm1031.714.567 SE41030.2
22Fr-0.315.10  NNE2412:065.298 ENE41028.014.073 NE151025.2
23Sa5.214.60  NNE2820:1010.289 NE61025.514.376 NE91022.8
24Su10.216.50  NNE2812:5412.782 NE151021.815.174 ENE151018.8
25Mo11.816.80  ESE2821:0313.588 NE111020.616.477 ESE91018.9
26Tu12.616.911.2  SE3720:4013.595 ESE171021.116.679 ESE201019.1
27We13.515.60  SE3014:0113.790 SE131021.014.884 SE131019.8
28Th3.914.90  WNW3014:118.098 NE61019.414.167 WNW71016.0
29Fr5.715.30  NW3023:4110.198 N91012.314.182 N151008.2
30Sa9.815.82.0  W4315:1810.997 NNW131007.213.086 NW171004.5
31Su6.7 5.6     8.896 WNW131011.112.369 W201011.2
Statistics for the first 31 days of May 2026
Mean9.317.5      11.988  121022.216.369  161020.3
Lowest-0.313.80     5.239 Calm1007.212.326 SE41004.5
Highest18.627.919.8  NNE59 20.098 #241034.727.092 NNW301032.0
Total  66.2                 

IDCJDW3012.202605   Prepared at 05:37 UTC on Sunday 31 May 2026

Source of data

Temperature, humidity, wind and rainfall observations are from Casterton {station 090182}. Evaporation and sunshine observations are from Mount Gambier Aero {station 026021}. Pressure observations are from Hamilton Airport {station 090173}.

Hamilton Airport is several kilometres southeast of Casterton, so the pressures will sometimes be markedly different.

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 Casterton, Victoria are also here on this web site:

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

Daily Weather Observations are also routinely prepared for hundreds of other locations in Victoria 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 Casterton, Victoria, look at the tables for Mount Gambier Aero, Hamilton Airport, Casterton Showgrounds or Hamilton Airport.

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.