Fort Benton Weather Forecast
Weather forecast for: Fort Benton MT
Last Update: 11:31 am MST Nov 1, 2026
This Afternoon: Rain. High near 45. North wind 3 to 5 mph. Chance of precipitation is 80%.
Tonight: Rain, mainly before 1am. Low around 34. Northwest wind 5 to 8 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday: Mostly cloudy, then gradually becoming sunny, with a high near 51. West wind 3 to 8 mph.
Monday Night: Increasing clouds, with a low around 29. Light south southwest wind.
Tuesday: Mostly sunny, with a high near 55. Calm wind.
Tuesday Night: Mostly cloudy, with a low around 30. Light and variable wind.
Wednesday: Mostly sunny, with a high near 50. West wind 3 to 5 mph.
Wednesday Night: Partly cloudy, with a low around 29. Calm wind.
Thursday: Mostly sunny, with a high near 54.
Thursday Night: Partly cloudy, with a low around 34.
Friday: Mostly sunny, with a high near 55. Breezy.
Friday Night: A slight chance of rain. Partly cloudy, with a low around 35.
Saturday: Mostly sunny, with a high near 53.