March in Tacoma averages a daily high of 12.6°C with nights around 4.6°C. Expect roughly 17.8 wet days totalling 108.1mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Tacoma is July–September.
Based on TACOMA NUMBER 1, WA US (2.5km), 1995–2024. 29 years of March data.