Hamilton Weather Forecast
Weather forecast for: Hamilton WA
Last Update: 11:26 pm PDT Sep 17, 2026
Today: Sunny, with a high near 75. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Tonight: Partly cloudy, with a low around 53. Calm wind becoming southwest 5 to 7 mph.
Saturday: Mostly sunny, with a high near 75. Calm wind becoming west around 6 mph in the afternoon.
Saturday Night: Mostly clear, with a low around 53. Calm wind becoming east 5 to 8 mph after midnight.
Sunday: Sunny, with a high near 77. East wind around 6 mph becoming calm.
Sunday Night: Mostly clear, with a low around 54.
Monday: Mostly sunny, with a high near 73.
Monday Night: Partly cloudy, with a low around 52.
Tuesday: Partly sunny, with a high near 70.
Tuesday Night: Mostly cloudy, with a low around 50.
Wednesday: Partly sunny, with a high near 70.
Wednesday Night: Mostly cloudy, with a low around 52.
Thursday: Partly sunny, with a high near 73.