Weather forecast for: St. John WA
Last Update: 2:06 pm PDT Oct 15, 2026
Tonight: Mostly clear, with a low around 42. East wind 3 to 6 mph.
Friday: Mostly sunny, with a high near 75. South wind 3 to 7 mph.
Friday Night: Mostly cloudy, with a low around 46. Calm wind becoming southeast around 5 mph in the evening.
Saturday: Partly sunny, with a high near 66. Breezy, with a southeast wind 5 to 10 mph becoming southwest 13 to 18 mph in the afternoon. Winds could gust as high as 30 mph.
Saturday Night: Areas of frost after 4am. Otherwise, partly cloudy, with a low around 36. West wind 5 to 9 mph becoming calm in the evening.
Sunday: Areas of frost before 8am. Otherwise, mostly sunny, with a high near 65.
Sunday Night: Partly cloudy, with a low around 39.
Monday: Partly sunny, with a high near 61.
Monday Night: Mostly cloudy, with a low around 39.
Tuesday: Partly sunny, with a high near 60.
Tuesday Night: Partly cloudy, with a low around 36.
Wednesday: Mostly sunny, with a high near 61.
Wednesday Night: Partly cloudy, with a low around 38.
Thursday: A 10 percent chance of showers. Mostly sunny, with a high near 57.