Weather on August 17

Portland, OR

55 Years of Data

Avg High
81°F
Avg Low
58°F
Warmest
2022
81°F avg
Coldest
1995
58°F avg

About This Date

August 17th in Portland, OR typically brings warm summer weather, with average highs around 81°F and lows near 58°F. Over 55 years of records, the warmest August 17th was in 2022 (81°F average), while the coldest was 1995 (58°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 11% of August 17th dates historically, with the wettest August 17th recording 1.78" 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 17th in Portland, OR? Stay hydrated and seek shade during peak afternoon hours.

Warming Trend
1.3°F per decade on this date
YearHighLowAvgPrecipSnow
202577°63°70°
202480°59°70°1.12"
202389°69°79°
2022warmest96°67°81°
202170°57°63°
202092°62°77°
201970°61°65°
201879°53°66°
201777°60°69°
201679°57°68°
201586°60°73°
201485°64°74°
201381°59°70°
201295°64°80°
201178°55°67°
201091°65°78°
200989°59°74°
200886°70°78°
200776°56°66°
200674°55°64°
200575°56°65°
200488°62°75°
200385°61°73°
200286°59°73°
200177°56°66°
200078°57°68°
199987°58°72°
199873°52°62°
199783°63°73°
199671°52°61°
1995coldest64°52°58°1.78"
199479°58°68°
199378°55°67°
199292°65°78°
199187°62°75°
199068°61°64°0.71"
198978°52°65°
198870°55°62°
198776°50°63°
198687°56°71°
198590°61°75°
198483°59°71°
198382°58°70°
198283°54°68°
198192°61°76°
198077°55°66°
197979°62°70°
197874°53°63°0.18"
1977105°52°78°
197673°52°62°
197565°57°61°0.3"
197471°56°63°
197371°49°60°
197269°56°62°0.08"
197182°58°70°
55 years of data from PORTLAND KGW-TV

Browse Weather History

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