| NWS Forecast for: San Jacinto County Issued by: National Weather Service Houston, TX Last Update: 1053 PM CDT Sat Aug 15 2026 |  |
| Overnight: Mostly clear. Lows in the lower 70s. South winds 5 to 10 mph. Sunday: Patchy fog in the morning. Sunny, hot with highs in the upper 90s. Light and variable winds, becoming south around 5 mph in the afternoon. Sunday Night: Mostly clear. Lows in the lower 70s. South winds around 5 mph. Monday: Sunny, hot with highs in the upper 90s. Southwest winds around 5 mph, becoming south in the afternoon. Heat index values up to 107. Monday Night: Mostly clear. Lows in the mid 70s. South winds around 5 mph. Tuesday: Sunny, hot with highs in the upper 90s. Heat index values up to 110. Tuesday Night: Partly cloudy. Lows in the mid 70s. Wednesday: Sunny, hot with highs in the upper 90s. Heat index values up to 110. Wednesday Night: Mostly clear. Lows in the mid 70s. Thursday: Sunny, hot with highs in the upper 90s. Heat index values up to 110. 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: Sunny, hot with highs in the upper 90s. Heat index values up to 110. Friday Night: Partly cloudy. Lows in the mid 70s. Heat index values up to 105 early in the evening. Saturday: Sunny, hot with highs in the upper 90s. Heat index values up to 110. | |
| Zone Forecast: San Jacinto County | |
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