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Johnston County, NC Weather Forecast
Johnston County, NC Weather Forecast Date: 409 PM EDT Mon Mar 09 2026
The area/counties/county of: Johnston, including the cities of: Smithfield, Selma, and Clayton.or toggle through each period.
Tonight... Mostly clear. Lows in the lower 50s. Southwest winds around 5 mph this evening, becoming light and variable.
Tuesday... Partly sunny. A slight chance of showers in the afternoon. Highs in the lower 80s. Southwest winds 5 to 10 mph. Chance of rain 20%.
Tuesday Night... Mostly clear. A slight chance of showers in the evening. Lows in the lower 60s. Southwest winds around 5 mph. Chance of rain 20%.
Wednesday... Partly sunny. Hot with highs in the mid 80s. Southwest winds 10 to 15 mph.
Wednesday Night... Mostly cloudy. Lows in the upper 50s. Southwest winds 10 to 15 mph with gusts up to 25 mph.
Thursday... Showers with a slight chance of thunderstorms in the morning, then showers in the afternoon. Breezy and not as warm with highs in the lower 70s. Temperature falling into the mid 50s in the afternoon. Chance of rain 90%.
Thursday Night... Mostly cloudy with showers in the evening, then mostly clear with a slight chance of showers after midnight. Much cooler with lows in the mid 30s. Chance of rain 90%.
Friday... Clear. Highs in the lower 60s. Lows in the mid 40s.
Friday Night... Clear. Highs in the lower 60s. Lows in the mid 40s.
Saturday... Mostly sunny. Warmer with highs in the lower 70s.
Saturday Night... Clear. Lows around 50.
Sunday... Mostly sunny. Highs in the upper 70s.
Sunday Night... Partly cloudy in the evening, then becoming mostly cloudy. A 50% chance of showers. Lows in the mid 50s.
POP = Probability of Precipitation
Johnston County Radar Loop
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