Weather on August 21

Vancouver, WA

55 Years of Data

Avg High
78°F
Avg Low
54°F
Warmest
2018
77°F avg
Coldest
1976
54°F avg

About This Date

August 21st in Vancouver, WA typically brings pleasant summer weather, with average highs around 78°F and lows near 54°F. Over 55 years of records, the warmest August 21st was in 2018 (77°F average), while the coldest was 1976 (54°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 18% of August 21st dates historically, with the wettest August 21st recording 1.42" of rain. The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.

The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.

Planning for August 21st in Vancouver, WA? Great weather for outdoor activities.

Warming Trend
2.0°F per decade on this date
YearHighLowAvgPrecipSnow
202588°53°70°
202475°59°67°
202382°58°70°
202289°58°73°
202169°
202077°61°69°0.23"
201972°60°66°0.43"
2018warmest94°60°77°
201790°60°75°
201680°57°69°
201578°57°68°
201479°50°64°
201389°58°73°
201276°57°66°
201190°59°74°
201072°50°61°
200974°63°68°
200872°59°65°0.15"
200779°61°70°0.03"
200679°54°66°
200581°59°70°
200482°61°71°1.42"
200389°54°71°
200267°56°61°
200171°54°62°0.15"
200082°53°68°
199979°62°70°
199877°61°69°
199780°60°70°
199672°46°59°
199581°57°69°
199478°57°68°
199374°58°66°
199281°46°63°
199188°50°69°
199083°61°72°
198973°60°67°
198871°42°57°
198773°44°59°
198693°52°72°
198570°41°55°
198482°47°64°
198375°51°63°
198286°54°70°
198170°44°57°
198074°49°61°
197976°55°65°0.64"
197865°51°58°0.56"
197767°57°62°0.03"
1976coldest67°42°54°
197572°54°63°
197467°44°55°
197373°42°58°
197276°56°66°0.1"
197177°59°68°
55 years of data from VANCOUVER PEARSON AP

Browse Weather History

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

August 21st Weather in Vancouver, WA - 55 Years of History