Thermograph

How unusual is the weather? Graded against ~45 years of local climate history.

Weather in Seattle in March

In an average March, Seattle sees a daily high around 54°F and a low around 41°F, based on 1980–2026 of local climate records.

Average high54°F
Typical high range47°F to 61°F
Average low41°F
Typical low range35°F to 47°F
Average daily precipitation0.20 in

March records

The most extreme March on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total March accumulation.

High

Highest 75°F 2004-03-29
Lowest 32°F 1989-03-02

Low

Highest 54°F 2026-03-20
Lowest 17°F 1989-03-03

Feels-like

Highest 54°F 2026-03-20
Lowest 5°F 1989-03-03

Humidity

Highest 11.0 g/m³ 2025-03-25
Lowest 2.1 g/m³ 2019-03-04

Wind

Highest 24 mph 1999-03-03
Lowest 3 mph 1994-03-11

Gust

Highest 55 mph 1999-03-29
Lowest 8 mph 1984-03-08

Precip

Wettest 10.60 in 2014
Driest 1.44 in 1992

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