Weather forecast for: Kelso WA
Last Update: 4:41 pm PDT Sep 28, 2026
Tonight: A 10 percent chance of rain after 5am. Increasing clouds, with a low around 51. Calm wind becoming south southeast around 6 mph after midnight.
Tuesday: A 50 percent chance of rain after 10am. Cloudy, with a high near 62. South southeast wind 5 to 11 mph, with gusts as high as 20 mph.
Tuesday Night: Patchy fog after 8pm. Otherwise, mostly cloudy, with a low around 50. Calm wind.
Wednesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 67. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night: Partly cloudy, with a low around 50. North wind around 6 mph becoming calm in the evening.
Thursday: Partly sunny, with a high near 71.
Thursday Night: Mostly cloudy, with a low around 52.
Friday: Partly sunny, with a high near 69.
Friday Night: Partly cloudy, with a low around 49.
Saturday: Mostly sunny, with a high near 72.
Saturday Night: Mostly clear, with a low around 51.
Sunday: Mostly sunny, with a high near 75.
Sunday Night: Partly cloudy, with a low around 51.
Monday: Partly sunny, with a high near 72.