March in Tigard averages a daily high of 12.9°C with nights around 4.8°C. Expect roughly 18.3 wet days totalling 124.7mm. Demanding conditions — pack for it and plan indoor options.
Across the year, the best time to visit Tigard is July–September.
Based on PORTLAND KGW TV, OR US (11.6km), 1995–2024. 30 years of March data.