February in Tri-Cities averages a daily high of 9.4°C with nights around -2°C. Expect roughly 7.4 wet days totalling 14.8mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Tri-Cities is April–May.
Based on PASCO TRI CITIES AIRPORT, WA US (6.6km), 1995–2024. 27 years of February data.