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Keystone Lake, FL Weather Forecast
Keystone Lake, FL Weather Forecast Date: 242 AM EDT Wed Aug 26 2026
The area/counties/county of: Inland Hillsborough, including the cities of: Brandon, Plant City, and Sun City Center.or toggle through each period.
Today... Sunny. Scattered showers and thunderstorms this afternoon. Highs in the mid 90s. Southeast winds around 5 mph, becoming southwest around 5 mph this afternoon. Chance of rain 50%.
Tonight... Mostly cloudy with scattered showers and thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 50%.
Thursday... Mostly sunny. Scattered showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. South winds around 5 mph. Chance of rain 50%.
Thursday Night... Mostly cloudy with numerous showers and thunderstorms in the evening, then partly cloudy with scattered showers with isolated thunderstorms after midnight. Humid with lows in the lower 70s. Southeast winds around 5 mph. Chance of rain 70%.
Friday... Mostly sunny. Isolated showers in the morning, then numerous showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. Southeast winds around 5 mph, becoming south around 5 mph in the afternoon. Chance of rain 70%.
Friday Night... Mostly cloudy with numerous showers and thunderstorms in the evening, then partly cloudy with scattered showers with isolated thunderstorms after midnight. Lows in the mid 70s. Chance of rain 70%.
Saturday... Mostly sunny. Showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 80%.
Saturday Night... Mostly cloudy with showers and thunderstorms in the evening, then partly cloudy with isolated showers and thunderstorms after midnight. Lows in the mid 70s. Chance of rain 80%.
Sunday... Mostly sunny. Showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 80%. Heat index values up to 105.
Sunday Night... Mostly cloudy with showers and thunderstorms in the evening, then partly cloudy with isolated showers and thunderstorms after midnight. Lows in the mid 70s. Chance of rain 80%.
Monday... Partly cloudy with numerous showers and thunderstorms. Highs in the lower 90s. Lows in the mid 70s. Chance of rain 70%.
POP = Probability of Precipitation
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