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Tecumseh Lake, OK Weather Forecast
Tecumseh Lake, OK Weather Forecast Date: 535 AM CDT Mon Aug 17 2026
The area/counties/county of: Pottawatomie, including the city of Shawnee.or toggle through each period.
Today... Sunny. A chance of showers with a slight chance of thunderstorms this afternoon. Highs in the upper 90s. Northeast winds 5 to 10 mph. Chance of rain 30%.
Tonight... Mostly clear. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the mid 70s. East winds around 5 mph. Chance of rain 30%.
Tuesday... Sunny, hot with highs around 104. Southeast winds 5 to 10 mph, becoming southwest in the afternoon.
Tuesday Night... Mostly clear. Lows around 80. South winds 5 to 10 mph. Heat index values up to 105 early in the evening.
Wednesday... Sunny, hot with highs around 105. Southwest winds around 10 mph with gusts up to 20 mph.
Wednesday Night... Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.
Thursday... Mostly sunny. Hot with highs around 100.
Thursday Night... Partly cloudy in the evening, then clearing. Lows in the mid 70s.
Friday... Sunny. Highs in the upper 90s.
Friday Night... Mostly clear. Lows in the lower 70s.
Saturday... Sunny, hot with highs around 100.
Saturday Night... Mostly clear. Lows in the mid 70s.
POP = Probability of Precipitation
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