United States · 1991–2020 normal

Mercer Island in
March.

Typical March weather in Mercer Island: 12.2°C by day, 4.3°C at night, 101 mm of rain over 14.1 wet days. These are measured 1991–2020 station normals, not a forecast.

Typical high12.2°C
Typical low4.3°C
Rain101 mm
Wet days14.1

Comfort score 23 this month (July leads the year at 96). Daylight is calculated as 11 h 44 from latitude 47.57°.

The evidence behind this page

One month,
from the same station.

Place identity
GeoNames 5803139
NOAA station
USW00024234 · SEATTLE BOEING FLD
Station distance
7.5 km from the place centre
Coverage
Good coverage · 22 usable years
Important limit
Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.