Weather forecast for: Mount Vernon OR
Last Update: 3:00 pm PDT Sep 30, 2026
Tonight: Mostly clear, with a low around 48. Northwest wind around 5 mph becoming calm in the evening.
Thursday: Mostly sunny, with a high near 80. Calm wind.
Thursday Night: Mostly clear, with a low around 51. Calm wind becoming east around 5 mph after midnight.
Friday: Mostly sunny, with a high near 84. East wind around 5 mph becoming calm in the morning.
Friday Night: Partly cloudy, with a low around 52. Northwest wind around 5 mph becoming calm in the evening.
Saturday: Sunny, with a high near 86.
Saturday Night: Mostly clear, with a low around 53.
Sunday: Sunny, with a high near 91.
Sunday Night: Partly cloudy, with a low around 56.
Monday: Mostly sunny, with a high near 86.
Monday Night: Partly cloudy, with a low around 53.
Tuesday: Sunny, with a high near 82.
Tuesday Night: Mostly clear, with a low around 52.
Wednesday: Sunny, with a high near 85.