Weather forecast for: St. John WA
Last Update: 11:32 pm PDT Oct 9, 2026
Overnight: Areas of frost after 5am. Otherwise, partly cloudy, with a low around 37. Southwest wind 6 to 8 mph.
Saturday: Areas of frost before 8am. Otherwise, sunny, with a high near 57. Southwest wind 5 to 7 mph becoming calm in the afternoon.
Saturday Night: A slight chance of rain showers, mixing with snow after 10pm, then gradually ending. Partly cloudy, with a low around 36. Light and variable wind becoming northeast 9 to 14 mph in the evening. Chance of precipitation is 20%.
Sunday: Mostly sunny, with a high near 55. Northeast wind 11 to 14 mph, with gusts as high as 25 mph.
Sunday Night: Patchy frost after 4am. Otherwise, partly cloudy, with a low around 33. Northeast wind 7 to 11 mph, with gusts as high as 23 mph.
Columbus Day: Patchy frost before 8am. Otherwise, sunny, with a high near 59.
Monday Night: Mostly clear, with a low around 30.
Tuesday: Sunny, with a high near 61.
Tuesday Night: Mostly clear, with a low around 35.
Wednesday: Sunny, with a high near 65.
Wednesday Night: Mostly clear, with a low around 37.
Thursday: Sunny, with a high near 69.
Thursday Night: Mostly clear, with a low around 40.
Friday: Sunny, with a high near 72.