With a population of around 32,500, Lewiston sits in Idaho, United States. The city operates in the Pacific Time Zone.
In 2025, Lewiston recorded an average annual temperature of 56°F — about 2.7°F above the 30-year normal of 54°F. The hottest day reached 103°F in July; the coldest was 5°F in February. Total precipitation was 22 inches (wetter than usual). Snowfall totaled 10 inches, near the 13-inch average. The wettest month was December.
View current conditions and forecast for Lewiston · More cities in Idaho