Weather WorldActon, MT 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Acton, MT Weather Forecast
Acton, MT Weather Forecast Date: 351 AM MDT Wed Sep 09 2026
The area/counties/county of: Southwestern Yellowstone, including the city of Billings.or toggle through each period.
Today... Sunny. Highs around 80. West winds 10 to 20 mph.
Tonight... Mostly clear. Lows in the lower 50s. West winds 5 to 15 mph.
Thursday... Sunny. Highs in the upper 80s. Southwest winds 10 to 20 mph.
Thursday Night... Mostly clear. Lows in the mid 50s. Northwest winds 5 to 15 mph.
Friday... Mostly sunny. A 20% chance of rain showers in the afternoon. Cooler. Highs around 70. North winds 5 to 15 mph.
Friday Night... Mostly cloudy. A 20% chance of rain showers in the evening. Lows in the upper 40s.
Saturday... Decreasing clouds. Highs in the mid 60s.
Saturday Night... Chance of rain showers and slight chance of thunderstorms in the evening, then rain showers likely overnight. Lows in the mid 40s. Chance of precipitation 60%.
Sunday... Rain showers likely. Highs around 60. Chance of precipitation 60%.
Sunday Night... Mostly cloudy. Chance of rain showers in the evening, then slight chance of rain showers overnight. Lows around 40. Chance of precipitation 50%.
Monday... Decreasing clouds. Highs in the mid 60s.
Monday Night... Mostly clear. Lows in the lower 40s.
POP = Probability of Precipitation
Acton Radar Loop
Use the map search tool if you want to place a location marker on the radar map...