Weather on August 25

Seattle, WA

55 Years of Data

Avg High
76°F
Avg Low
57°F
Warmest
2025
77°F avg
Coldest
1977
59°F avg

About This Date

August 25th in Seattle, WA typically brings pleasant summer weather, with average highs around 76°F and lows near 57°F. Over 54 years of records, the warmest August 25th was in 2025 (77°F average), while the coldest was 1977 (59°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 19% of August 25th dates historically, with the wettest August 25th recording 3.28" of rain. The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.

The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.

Planning for August 25th in Seattle, WA? Great weather for outdoor activities.

Warming Trend
1.0°F per decade on this date
YearHighLowAvgPrecipSnow
2025warmest89°65°77°
202475°57°66°
202382°63°72°0.03"
202290°62°76°
202177°52°64°
202076°54°65°
201975°62°69°
201865°54°59°
201775°55°65°
201687°59°73°
201578°58°68°
201483°60°71°
201373°61°67°
201276°53°64°
201182°61°71°
201084°59°72°
200973°56°64°0.03"
200866°54°60°1.09"
200771°59°65°0.03"
200678°56°67°
200583°56°69°
200467°59°63°0.66"
200387°59°73°
200268°58°63°
200175°53°64°
200075°61°68°
199975°60°68°
199774°61°67°0.23"
199681°59°70°
199571°51°61°
199472°54°63°
199368°50°59°
199282°52°67°
199171°50°61°
199073°56°64°
198972°57°64°
198870°57°63°
198781°57°69°
198680°55°68°
198577°57°67°
198475°55°65°
198372°59°65°
198283°59°71°
198173°59°66°0.03"
198075°53°64°
197977°56°66°
197869°55°62°0.03"
1977coldest62°56°59°3.28"
197668°55°62°0.28"
197566°54°60°
197478°58°68°
197374°49°61°
197276°60°68°
197172°57°64°
54 years of data from SEATTLE URBAN SITE

Browse Weather History

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

August 25th Weather in Seattle, WA - 55 Years of History