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Lake Harrison, TX 7-Day Night Weather Forecast
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Lake Harrison, TX Weather Forecast
Lake Harrison, TX Weather Forecast Date: 122 AM CDT Sun Aug 23 2026
The area/counties/county of: Montgomery, including the cities of: Conroe and The Woodlands.or toggle through each period.
Rest of Tonight... Mostly clear. Lows in the upper 70s. Southwest winds around 5 mph.
Sunday... Sunny, hot with highs around 103. Southwest winds around 5 mph.
Sunday Night... Mostly clear. Lows in the upper 70s. South winds around 5 mph. Heat index values up to 108 early in the evening.
Monday... Sunny, hot with highs around 101. Southwest winds around 5 mph. Heat index values up to 111.
Monday Night... Mostly clear. Lows in the upper 70s. South winds 5 to 10 mph with gusts up to 20 mph. Heat index values up to 109 early in the evening.
Tuesday... Sunny, hot with highs around 100. Heat index values up to 110.
Tuesday Night... Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening.
Wednesday... Sunny, hot with highs around 100. Heat index values up to 110.
Wednesday Night... Mostly clear. Lows in the upper 70s. Heat index values up to 110 early in the evening.
Thursday... Mostly sunny. Hot with highs in the upper 90s. Heat index values up to 110 in the afternoon.
Thursday Night... Partly cloudy in the evening, then becoming mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening.
Friday... Mostly sunny. Hot with highs in the upper 90s. Heat index values up to 110.
Friday Night... Mostly clear. Lows in the mid 70s. Heat index values up to 105 early in the evening.
POP = Probability of Precipitation
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