Weather on August 18 at Sequoia

Sequoia National Park

CAPacific West6,400 ft elevation
Avg High94°F
Avg Low65°F
Warmest202092°F
Coldest197669°F

Based on 55 years of data from Visalia, CA

Elevation Note: Sequoia sits at 6,400 ft. Expect temperatures 22°F cooler than the data shown below, which comes from Visalia, CA at a lower elevation.

Planning Your Visit

August 18th in Sequoia National Park (via Visalia, CA) typically brings hot summer weather, with average highs around 94°F and lows near 65°F — a 29°F daily swing. Over 55 years of records, the warmest August 18th was in 2020 (92°F average), while the coldest was 1976 (69°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 2% of August 18th dates historically. The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.

The last decade has been 2.4°F warmer on this date compared to 20-30 years ago.

Planning for August 18th in Sequoia? Stay hydrated and seek shade during peak afternoon hours.

Year by Year History

YearHighLowPrecipSnow
202591°F65°F0"0"
202494°F66°F0"0"
2023102°F75°F0"0"
2022104°F66°F0"0"
202186°F62°F0"--
2020104°F80°F0"--
201996°F66°F0"--
2018103°F67°F0"--
201791°F70°F0"0"
201698°F68°F0"0"
2015108°F65°F0"--
201496°F63°F0"0"
201396°F67°F0"--
201295°F70°F0"--
201194°F65°F0"--
201098°F67°F0"0"
200995°F66°F0"0"
2008101°F63°F0"0"
200794°F60°F0"0"
200694°F61°F0"0"
2005100°F63°F0"0"
200495°F68°F0"0"
200396°F66°F0"0"
200294°F65°F0"0"
2001100°F69°F0"0"
2000100°F65°F0"0"
199995°F66°F0"0"
199889°F62°F0"0"
199787°F63°F0"0"
199697°F65°F0"0"
199584°F59°F0"0"
199499°F69°F0"0"
199386°F65°F0"0"
199299°F69°F0"0"
199188°F68°F0"0"
199085°F64°F0"0"
198986°F58°F0"0"
198892°F61°F0"0"
198792°F58°F0"0"
198693°F59°F0"0"
198587°F58°F0"0"
198496°F66°F0"0"
198399°F74°F0"0"
198296°F65°F0"0"
198198°F68°F0"0"
198092°F62°F0"0"
197991°F65°F0"0"
197886°F58°F0"0"
197779°F69°F0.33"0"
197679°F60°F0"0"
197591°F60°F0"0"
197492°F59°F0"0"
1973101°F62°F0"0"
197286°F61°F0"0"
197198°F62°F0"0"

August 18 at Nearby Parks

Holiday Weather at Sequoia

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

Explore More at Sequoia

See historical weather for other dates

Back to Sequoia