Weather forecast for: Harlem MT
Last Update: 12:31 pm MDT Sep 11, 2026
Tonight: Mostly cloudy, with a low around 40. North northwest wind 8 to 13 mph becoming light northwest after midnight. Winds could gust as high as 21 mph.
Saturday: Mostly cloudy, with a high near 59. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night: Mostly cloudy, with a low around 37. East northeast wind 3 to 7 mph.
Sunday: A 20 percent chance of rain after noon. Mostly sunny, with a high near 64. Breezy, with an east southeast wind 9 to 14 mph increasing to 18 to 23 mph in the afternoon. Winds could gust as high as 36 mph.
Sunday Night: Rain, mainly before midnight. Low around 43. East southeast wind 15 to 20 mph becoming west 9 to 14 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 80%.
Monday: A 40 percent chance of rain. Partly sunny, with a high near 60. Breezy, with a west wind 16 to 21 mph increasing to 23 to 28 mph in the afternoon. Winds could gust as high as 43 mph.
Monday Night: Partly cloudy, with a low around 37. Breezy, with a west northwest wind 18 to 23 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 37 mph.
Tuesday: Partly sunny, with a high near 61. Light and variable wind becoming east 5 to 7 mph in the morning.
Tuesday Night: A chance of showers, mainly after midnight. Mostly cloudy, with a low around 39.
Wednesday: A slight chance of showers before noon. Mostly sunny, with a high near 63.
Wednesday Night: Partly cloudy, with a low around 39.
Thursday: Sunny, with a high near 71.
Thursday Night: Mostly clear, with a low around 43.
Friday: Sunny, with a high near 72.
WeatherWorld.com
