Portland, Victoria
August 2025 Daily Weather Observations

Most observations from Portland, evaporation and sunshine measured at Mount Gambier.

DateDayTempsRainEvapSunMax wind gust9 am3 pm
MinMaxDirSpdTimeTempRHCldDirSpdMSLPTempRHCldDirSpdMSLP
°C°Cmmmmhourskm/hlocal°C%8thkm/hhPa°C%8thkm/hhPa
1Fr2.914.00.8  SSW1512:578.01008Calm1028.412.6648NNE41026.3
2Sa4.513.90  ENE2614:198.4100 N61028.412.7722ENE131025.7
3Su2.115.40.4  N4322:084.7100 NNE151024.414.2461NNE201019.9
4Mo4.716.70  NNE6113:3013.1578N281013.316.0518N301006.3
5Tu8.114.09.0  NW5903:019.3998NNW201012.813.6651WNW301013.6
6We8.512.66.0  W5204:2110.4688SW191021.511.2577W111024.6
7Th7.212.30  SSW2213:0210.2668SW111031.410.8652SSW131031.2
8Fr4.613.41.2  NE3123:069.6100 NNE91035.112.0968SE111033.5
9Sa6.314.90.4  E3109:469.697 ENE131033.514.773 E111030.6
10Su6.218.10.4  NNE2811:568.11008NNE71029.418.051 NNE131026.1
11Mo4.418.40  NNE3710:599.9947NNE131025.817.7517NNE151022.2
12Tu9.915.28.8  WSW3912:1110.81008N151021.413.4684WSW281022.8
13We4.815.00.4  WSW3013:4710.7100 Calm1029.714.0672WSW171029.3
14Th4.217.10.2  N5423:167.4100 NNE71027.316.752 NNE221020.4
15Fr7.313.61.6  W6511:3510.6938NNW221011.012.3604W391011.8
16Sa5.512.714.6  SW4610:488.4808SSW131016.611.3592W241015.8
17Su5.812.60.8  N2800:578.01008NNE111016.511.5764ESE131019.0
18Mo5.012.72.0  ESE3111:349.8648SE91031.111.8558SE131031.9
19Tu5.413.10  ESE2612:398.8947NNE91033.012.657 E111029.7
20We0.317.50.2  NNW3312:254.995 NNE111030.517.447 NNE171027.4
21Th2.718.60  NNE4312:3910.674 NE131026.217.4491NNE221021.7
22Fr10.617.60  WSW3716:0913.2687NNW151019.117.052 NNW191016.6
23Sa5.514.51.0  WNW3500:1611.687 SW71024.913.6561SSW111025.2
24Su3.115.00  NNE2611:348.891 ESE91027.014.259 E151023.3
25Mo6.415.50  NNE4321:5411.4688N191017.314.8587NNE201012.4
26Tu11.016.54.8  NW5013:2511.3948NNW221003.515.669 WNW26999.6
27We9.113.64.4  W7211:0511.7768W46995.412.3588W46998.2
28Th8.513.66.6  W5702:0811.4741W281002.011.0798W301001.8
29Fr8.011.69.8  SSW8119:218.9998NNW28995.110.9757W39992.3
30Sa6.612.813.6  SSW6102:159.3653SSW221022.912.1768WSW281025.3
31Su8.713.73.0  W5621:3911.8977W201026.612.1938W281024.2
Statistics for August 2025
Mean6.114.7      9.7877 151021.313.7635 201019.6
Lowest0.311.60     4.7571Calm995.110.8461NNE4992.3
Highest11.018.614.6  SSW81 13.21008W461035.118.0968W461033.5
Total  90.0                 

IDCJDW3068.202508   Prepared at 16:01 UTC on Thursday 2 October 2025

Source of data

Temperature, humidity, wind, pressure, cloud and rainfall observations are from Portland Airport {station 090171}. Evaporation and sunshine observations are from Mount Gambier Aero {station 026021}.

Some cloud observations are from automated equipment; these are somewhat different to those made by a human observer and may not appear every day.

You should read the important information in these notes.

Other formats

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Other times and other places

The last 14 months of Daily Weather Observations for Portland, Victoria are also here on this web site:

Oct 25   Sep 25   Aug 25   Jul 25   Jun 25   May 25   Apr 25   Mar 25   
Feb 25   Jan 25   Dec 24   Nov 24   Oct 24   Sep 24   

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 Portland, Victoria, look at the tables for Portland Airport, Portland or Mount Gambier Aero.

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.