Weather on May 17

Portland, OR

55 Years of Data

Avg High
68°F
Avg Low
49°F
Warmest
2008
80°F avg
Coldest
2003
45°F avg

About This Date

May 17th in Portland, OR typically brings mild spring weather, with average highs around 68°F and lows near 49°F. Over 55 years of records, the warmest May 17th was in 2008 (80°F average), while the coldest was 2003 (45°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 33% of May 17th dates historically, with the wettest May 17th recording 3.58" of rain. The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.7°F warmer on this date compared to 20-30 years ago.

Planning for May 17th in Portland, OR? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Warming Trend
0.8°F per decade on this date
YearHighLowAvgPrecipSnow
202564°53°59°1.22"
202463°48°55°
202388°59°73°
202265°45°55°
202165°47°56°
202070°51°60°
201962°51°57°
201865°51°58°
201757°47°52°0.13"
201674°53°63°
201570°51°60°
201468°54°61°
201362°49°55°
201267°42°54°
201164°43°53°
201076°54°65°0.99"
200984°52°68°
2008warmest95°64°80°
200773°47°60°
200685°57°71°
200558°49°53°0.36"
200479°51°65°0.03"
2003coldest50°40°45°1.07"
200272°43°57°
200158°44°51°
200074°49°61°0.1"
199964°45°54°1.37"
199860°46°53°0.94"
199775°55°65°
199662°52°57°2.34"
199557°50°54°
199460°48°54°0.28"
199388°53°70°
199286°56°71°
199156°47°51°3.58"
199058°48°53°0.13"
198963°45°54°0.84"
198860°45°52°0.13"
198761°45°53°
198676°41°58°
198576°53°64°
198470°49°59°
198366°48°57°
198265°48°56°0.86"
198163°50°56°0.41"
198078°48°63°
197973°48°61°
197867°45°56°
197757°47°52°
197663°44°53°
197572°45°58°
197457°38°47°
197386°58°72°
197256°47°51°1.85"
197155°43°49°
55 years of data from PORTLAND KGW-TV

Browse Weather History

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

May 17th Weather in Portland, OR - 55 Years of History