Weather on May 11

Portland, OR

55 Years of Data

Avg High
68°F
Avg Low
48°F
Warmest
1971
74°F avg
Coldest
1985
47°F avg

About This Date

May 11th in Portland, OR typically brings mild spring weather, with average highs around 68°F and lows near 48°F. Over 55 years of records, the warmest May 11th was in 1971 (74°F average), while the coldest was 1985 (47°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 31% of May 11th dates historically, with the wettest May 11th recording 0.89" of rain. The last decade has been 4.7°F warmer on this date compared to 20-30 years ago.

The last decade has been 4.7°F warmer on this date compared to 20-30 years ago.

Planning for May 11th in Portland, OR? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Warming Trend
0.4°F per decade on this date
YearHighLowAvgPrecipSnow
202560°51°56°0.43"
202489°57°73°
202378°50°64°
202260°41°51°
202173°48°61°
202071°52°61°0.38"
201986°56°71°
201867°46°56°
201763°47°55°0.74"
201684°52°68°
201559°50°55°0.66"
201466°43°54°
201387°56°71°
201273°44°59°
201157°46°52°0.89"
201060°48°54°
200964°50°57°
200857°45°51°
200770°45°57°
200666°48°57°
200560°49°54°
200463°47°55°0.03"
200365°47°56°
200271°38°54°
200182°51°67°
200057°43°50°0.36"
199960°45°52°0.53"
199858°47°52°0.03"
199791°54°72°
199662°51°57°0.2"
199557°47°52°
199474°55°64°
199371°50°61°
199259°45°52°
199155°49°52°
199058°48°53°0.03"
198961°43°52°
198890°51°70°
198781°54°67°0.76"
198654°42°48°0.13"
1985coldest57°37°47°
198466°51°59°0.43"
198367°45°56°
198267°46°56°
198166°49°57°
198059°53°56°
197971°44°58°
197861°47°54°0.66"
197761°41°51°
197667°47°57°
197565°49°57°0.2"
197464°50°57°0.38"
197379°44°61°
197278°49°63°
1971warmest93°56°74°
55 years of data from PORTLAND KGW-TV

Browse Weather History

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

May 11th Weather in Portland, OR - 55 Years of History