Weather on June 9 at North Cascades

North Cascades National Park

WAPacific West4,200 ft elevation
Avg High68°F
Avg Low52°F
Warmest202574°F
Coldest200851°F

Based on 55 years of data from Seattle, WA

Elevation Note: North Cascades sits at 4,200 ft. Expect temperatures 15°F cooler than the data shown below, which comes from Seattle, WA at a lower elevation.

Planning Your Visit

June 9th in North Cascades National Park (via Seattle, WA) typically brings mild summer weather, with average highs around 68°F and lows near 52°F. Over 55 years of records, the warmest June 9th was in 2025 (74°F average), while the coldest was 2008 (51°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 42% of June 9th dates historically, with the wettest June 9th recording 2.26" of rain. The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.

The last decade has been 1.0°F warmer on this date compared to 20-30 years ago.

Planning for June 9th in North Cascades? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.

Year by Year History

YearHighLowPrecipSnow
202586°F63°F0"--
202473°F55°F0"--
202361°F53°F0.41"--
202260°F55°F2.26"--
202168°F48°F0"--
202064°F52°F0.13"--
201973°F51°F0"--
201863°F51°F0.43"--
201764°F52°F0"--
201665°F54°F0.18"--
201586°F61°F0"--
201470°F58°F0"--
201368°F55°F0"--
201263°F48°F0.05"--
201168°F52°F0"--
201066°F53°F0.48"--
200978°F56°F0"--
200856°F46°F0.36"--
200759°F55°F0.56"--
200664°F51°F1.02"--
200570°F53°F0"--
200469°F56°F0.15"--
200367°F56°F0"--
200275°F47°F0"--
200164°F52°F0.13"--
200063°F49°F0.15"--
199965°F50°F0"--
199863°F56°F0.03"0"
199774°F49°F0"0"
199666°F52°F0"0"
199581°F56°F0"0"
199475°F51°F0"0"
199365°F55°F1.27"0"
199270°F54°F0.03"0"
199174°F51°F0"0"
199061°F51°F1.12"0"
198964°F53°F0"0"
198864°F48°F0.76"0"
198763°F53°F0"0"
198673°F50°F0"0"
198568°F47°F0"0"
198464°F51°F0.23"0"
198366°F57°F0.18"0"
198276°F51°F0"0"
198164°F54°F0.15"0"
198067°F53°F0"0"
197973°F51°F0"0"
197864°F54°F0.38"0"
197768°F47°F0"0"
197669°F51°F0"0"
197575°F49°F0"0"
197469°F46°F0"0"
197365°F50°F0"0"
197265°F54°F0.15"0"
197168°F48°F0"0"

June 9 at Nearby Parks

Holiday Weather at North Cascades

Official NPS WebsiteVisit nps.gov/noca for park information, alerts, and reservations

Explore More at North Cascades

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