Weather on August 18

Austin, TX

55 Years of Data

Avg High
97°F
Avg Low
74°F
Warmest
2019
91°F avg
Coldest
2004
76°F avg

About This Date

August 18th in Austin, TX typically brings hot summer weather, with average highs around 97°F and lows near 74°F. Over 55 years of records, the warmest August 18th was in 2019 (91°F average), while the coldest was 2004 (76°F) — a 15°F range across recorded history. Rain or other precipitation has occurred on about 13% of August 18th dates historically, with the wettest August 18th recording 1.68" of rain. The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.0°F warmer on this date compared to 20-30 years ago.

Planning for August 18th in Austin, TX? Stay hydrated and seek shade during peak afternoon hours.

Warming Trend
0.6°F per decade on this date
YearHighLowAvgPrecipSnow
2025103°76°89°
2024102°79°90°
2023106°77°91°
2022103°73°88°1.68"
202195°80°88°
2020104°75°90°
2019warmest103°80°91°
2018102°71°87°
201797°74°85°
201684°70°77°0.3"
201599°76°87°
2014100°75°88°
201393°64°79°
2012101°74°87°
2011103°71°87°
201098°74°86°
2009101°73°87°
200896°71°84°0.43"
200792°76°84°0.1"
2006104°74°89°
200599°74°86°
2004coldest91°61°76°
200399°75°87°
200296°76°86°
2001105°76°90°
2000102°74°88°
199999°76°87°
199893°76°84°0.43"
199794°76°85°
199698°75°87°
199593°74°83°
199497°77°87°
1993101°75°88°
199290°66°78°
199199°76°87°
199097°77°87°
198997°74°85°
198895°75°85°
198798°76°87°
1986103°76°89°
1985102°76°89°
1984103°75°89°
198389°77°83°
198298°79°88°
198193°74°83°0.13"
198096°74°85°
197993°72°82°0.18"
197899°79°89°
197794°77°85°
197696°74°85°
197595°76°85°
197495°72°83°
197388°72°80°
197294°71°82°
197193°73°83°
55 years of data from AUSTIN 6S

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.

August 18th Weather in Austin, TX - 55 Years of History