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Johnston, MS Weather Forecast
Johnston, MS Weather Forecast Date: 656 PM CDT Thu Oct 22 2026
The area/counties/county of: Washington, including the city of Greenville.or toggle through each period.
Tonight... Clear. Lows around 50. Northeast winds 5 to 10 mph.
Friday... Sunny. Highs in the lower 80s. Northeast winds around 5 mph.
Friday Night... Mostly clear. Lows in the lower 50s. East winds around 5 mph.
Saturday... Sunny. Highs in the lower 80s. Southeast winds around 5 mph.
Saturday Night... Mostly clear. Lows in the lower 50s. East winds around 5 mph.
Sunday... Sunny. Highs in the upper 70s.
Sunday Night... Partly cloudy. Lows in the lower 50s.
Monday... Partly sunny. Highs in the upper 70s.
Monday Night... Partly cloudy. Lows around 50. Highs in the upper 70s.
Tuesday... Partly cloudy. Lows around 50. Highs in the upper 70s.
Wednesday... Mostly clear. Highs around 80. Lows in the upper 40s.
POP = Probability of Precipitation
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