Weather forecast for: St. John WA
Last Update: 4:11 pm PDT Oct 7, 2026
Tonight: Mostly clear, with a low around 45. Calm wind.
Thursday: Mostly sunny, with a high near 79. Calm wind becoming southwest around 5 mph.
Thursday Night: Mostly cloudy, with a low around 48. Light and variable wind.
Friday: Patchy blowing dust after 2pm. Partly sunny, with a high near 69. Breezy, with a southeast wind 8 to 13 mph becoming southwest 15 to 20 mph in the afternoon. Winds could gust as high as 36 mph.
Friday Night: A 20 percent chance of showers before 11pm. Patchy blowing dust before 8pm. Mostly cloudy, with a low around 40. Southwest wind 6 to 13 mph, with gusts as high as 22 mph.
Saturday: Mostly sunny, with a high near 59.
Saturday Night: Partly cloudy, with a low around 34.
Sunday: Mostly sunny, with a high near 56.
Sunday Night: Mostly clear, with a low around 31.
Columbus Day: Sunny, with a high near 60.
Monday Night: Mostly clear, with a low around 33.
Tuesday: Sunny, with a high near 63.
Tuesday Night: A 20 percent chance of showers. Partly cloudy, with a low around 38.
Wednesday: A 20 percent chance of showers. Mostly sunny, with a high near 61.