Weather on June 21

Portland, OR

55 Years of Data

Avg High
75°F
Avg Low
55°F
Warmest
2021
81°F avg
Coldest
2025
53°F avg

About This Date

June 21st in Portland, OR typically brings pleasant summer weather, with average highs around 75°F and lows near 55°F. Over 55 years of records, the warmest June 21st was in 2021 (81°F average), while the coldest was 2025 (53°F) — a 28°F range across recorded history. Rain or other precipitation has occurred on about 20% of June 21st dates historically, with the wettest June 21st recording 1.22" of rain. Temperatures on this date have remained relatively stable over the past several decades.

Temperatures on this date have remained relatively stable over the past several decades.

Planning for June 21st in Portland, OR? Great weather for outdoor activities.

YearHighLowAvgPrecipSnow
2025coldest55°50°53°0.89"
202489°60°75°
202375°49°62°
202281°55°68°
2021warmest96°67°81°
202074°58°66°0.03"
201968°54°61°
201869°58°63°0.2"
201774°49°61°
201672°55°63°
201581°60°70°
201473°51°62°
201369°54°61°
201281°55°68°
201183°54°68°
201068°51°60°
200968°51°60°
200885°58°71°
200775°59°67°
200672°51°61°
200573°59°66°
200490°61°75°
200364°52°58°0.03"
200287°50°69°
200185°56°70°
200077°56°66°
199963°54°58°0.58"
199886°59°73°
199763°52°57°0.3"
199668°51°60°
199565°53°59°
199479°53°66°
199364°52°58°0.08"
199293°65°79°
199160°49°54°0.3"
199096°62°79°
198977°49°63°
198885°51°68°
198764°53°59°0.41"
198677°53°65°
198580°52°66°
198463°52°57°1.22"
198377°48°63°
198271°56°63°0.05"
198168°53°61°
198072°55°63°
197973°53°63°
197875°56°65°
197776°54°65°
197671°53°62°
197566°53°60°
197485°55°70°
197394°65°79°
197264°54°59°
197191°57°74°
55 years of data from PORTLAND KGW-TV

Browse Weather History

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