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Brockton, MT Weather Forecast
Brockton, MT Weather Forecast Date: 536 PM MDT Wed Sep 23 2026
The area/counties/county of: Eastern Roosevelt, including the city of Culbertson.or toggle through each period.
Tonight... Partly cloudy this evening, then becoming mostly cloudy. Areas of fog after midnight. Lows in the upper 40s. Southeast wind around 5 mph this evening, becoming light and variable.
Thursday... Patchy fog in the morning. Sunny. Highs in the lower 80s. Light and variable winds, becoming south around 5 mph in the afternoon.
Thursday Night... Mostly clear. Lows in the mid 50s. Southeast wind 5 to 10 mph.
Friday... Mostly sunny. Highs in the upper 70s. Southeast wind 10 to 15 mph, increasing to around 20 mph in the afternoon.
Friday Night... Partly cloudy. Lows in the mid 50s. Southeast wind around 20 mph, Decreasing to 10 to 15 mph after midnight.
Saturday... Sunny. Highs in the lower 70s.
Saturday Night... Partly cloudy. Lows in the mid 40s. Highs in the upper 60s.
Sunday... Partly cloudy. Lows in the mid 40s. Highs in the upper 60s.
Sunday Night... A chance of showers. Lows in the upper 40s.
Monday... A chance of showers. Highs in the lower 60s.
Monday Night... Mostly cloudy. Lows in the lower 40s.
Tuesday... Partly cloudy. Highs in the lower 60s. Lows in the lower 40s.
Tuesday Night... Partly cloudy. Highs in the lower 60s. Lows in the lower 40s.
POP = Probability of Precipitation
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