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Sumner Lake, FL Weather Forecast
Sumner Lake, FL Weather Forecast Date: 745 PM EDT Sun Aug 16 2026
The area/counties/county of: Southern Lake, including the cities of: Clermont, Mascotte, and Groveland.or toggle through each period.
Tonight... Partly sunny then becoming mostly clear in the late evening and early morning then becoming clear. A slight chance of showers and thunderstorms early in the evening. Lows in the upper 70s. West winds around 5 mph. Chance of rain 20%. Heat index values up to 105 early.
Monday... Mostly sunny. A slight chance of showers and thunderstorms late in the afternoon and towards sunset. Highs in the mid 90s. West winds 5 to 10 mph. Chance of rain 20%. Heat index values up to 110.
Monday Night... Mostly clear. Lows in the upper 70s. West winds around 5 mph.
Tuesday... Partly sunny. A chance of showers and thunderstorms late in the morning, then showers and thunderstorms likely late in the afternoon and towards sunset. Hot. Highs in the mid 90s. West winds 5 to 10 mph. Chance of rain 60%. Heat index values up to 109.
Tuesday Night... Partly cloudy. A slight chance of showers in the late evening and early morning. Lows in the upper 70s. West winds 5 to 10 mph. Chance of rain 20%.
Wednesday... Partly sunny. A chance of showers and thunderstorms late in the morning, then showers and thunderstorms likely late in the afternoon and towards sunset. Hot. Highs in the mid 90s. Chance of rain 60%.
Wednesday Night... Partly cloudy. A chance of showers and thunderstorms in the late evening and early morning. Lows in the upper 70s. Chance of rain 30%.
Thursday... Partly sunny. A chance of showers and thunderstorms late in the afternoon and towards sunset. Hot. Highs in the mid 90s. Chance of rain 50%.
Thursday Night... Partly cloudy. A slight chance of showers and thunderstorms in the late evening and early morning. Lows in the upper 70s. Chance of rain 20%.
Friday... Partly sunny. A slight chance of showers and thunderstorms late in the morning, then a chance of showers and thunderstorms late in the afternoon and towards sunset. Highs in the mid 90s. Chance of rain 50%.
Friday Night... Partly cloudy. A slight chance of showers and thunderstorms in the late evening and early morning. Lows in the mid 70s. Chance of rain 20%.
Saturday... Partly sunny. A slight chance of showers and thunderstorms late in the morning, then a chance of showers and thunderstorms late in the afternoon and towards sunset. Highs in the lower 90s. Chance of rain 50%.
Saturday Night... Partly cloudy. A slight chance of showers and thunderstorms in the late evening and early morning. Lows in the mid 70s. Chance of rain 20%.
POP = Probability of Precipitation
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