Weather on August 26

Renton, WA

55 Years of Data

Avg High
78°F
Avg Low
54°F
Warmest
2025
77°F avg
Coldest
1976
58°F avg

About This Date

August 26th in Renton, WA typically brings pleasant summer weather, with average highs around 78°F and lows near 54°F. Over 55 years of records, the warmest August 26th was in 2025 (77°F average), while the coldest was 1976 (58°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 24% of August 26th dates historically, with the wettest August 26th recording 2.64" 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 26th in Renton, WA? Great weather for outdoor activities.

Warming Trend
1.3°F per decade on this date
YearHighLowAvgPrecipSnow
2025warmest89°65°77°
202475°54°64°0.1"
202387°59°73°
202274°63°68°
202173°59°66°0.03"
202077°53°65°
201978°58°68°
201867°59°63°0.43"
201783°53°68°
201691°61°76°
201582°54°68°
201487°59°73°
201376°61°68°0.13"
201273°55°64°
201183°59°71°
201070°57°63°
200976°52°64°
200869°54°61°0.53"
200770°56°63°1.3"
200684°55°70°
200584°54°69°
200473°59°66°0.13"
200375°61°68°
200274°59°66°
200179°54°66°0.3"
200069°57°63°0.08"
199982°60°71°
199876°59°67°
199767°59°63°0.91"
199678°61°69°
199572°55°63°
199477°52°64°
199373°47°60°
199284°53°69°
199170°48°59°
199077°50°64°
198979°55°67°
198877°50°64°
198783°55°69°
198690°54°72°
198581°42°61°
198486°44°65°
198377°48°63°
198289°57°73°
198177°40°58°
198080°44°62°0.08"
197980°52°66°
197874°46°60°0.08"
197769°54°61°2.64"
1976coldest68°48°58°
197579°56°67°
197481°46°63°
197374°45°59°
197283°47°65°
197178°46°62°
55 years of data from RENTON MUNI AP

Browse Weather History

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

August 26th Weather in Renton, WA - 55 Years of History