Weather forecast for: Augusta MT
Last Update: 12:31 am MDT Aug 22, 2026
Overnight: Mostly cloudy, with a low around 62. Light northwest wind.
Saturday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 90. Calm wind becoming south around 6 mph in the afternoon.
Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 59. Southwest wind around 6 mph.
Sunday: Mostly sunny, with a high near 86. Breezy, with a west southwest wind 5 to 10 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 31 mph.
Sunday Night: Mostly clear, with a low around 52. Southwest wind 12 to 17 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 28 mph.
Monday: Sunny, with a high near 81. Calm wind becoming west northwest around 6 mph in the afternoon.
Monday Night: Mostly clear, with a low around 54. North northwest wind 5 to 7 mph becoming calm after midnight.
Tuesday: Sunny, with a high near 84. Calm wind becoming east around 6 mph in the afternoon.
Tuesday Night: Partly cloudy, with a low around 56.
Wednesday: Mostly sunny, with a high near 88.
Wednesday Night: Partly cloudy, with a low around 56.
Thursday: Sunny, with a high near 83.
Thursday Night: Mostly clear, with a low around 52.
Friday: Sunny, with a high near 82.