| NWS Forecast for: San Jacinto County Issued by: National Weather Service Houston, TX Last Update: 1207 AM CDT Sat Jun 20 2026 |  |
| Rest Of Tonight: Mostly cloudy with a chance of showers and thunderstorms. Near steady temperature in the upper 70s. Southeast winds around 5 mph. Chance of rain 40 percent. Saturday: Mostly cloudy with a chance of thunderstorms. A chance of showers. Humid with highs around 90. Southeast winds around 5 mph. Chance of rain 50 percent. Saturday Night: Mostly cloudy. A chance of showers and thunderstorms in the evening. Humid with lows in the upper 70s. Southeast winds around 5 mph. Chance of rain 40 percent. Sunday: Mostly sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 40 percent. Heat index values up to 107. Sunday Night: Partly cloudy. Humid with lows in the upper 70s. South winds 5 to 10 mph with gusts up to 20 mph. Monday: Mostly sunny. Hot with highs in the mid 90s. Heat index values up to 110. Monday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 70s. Heat index values up to 105 early in the evening. Tuesday: Mostly sunny. Hot with highs in the mid 90s. Heat index values up to 105. Tuesday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 70s. Heat index values up to 105 early in the evening. Wednesday: Mostly sunny. Highs in the mid 90s. Heat index values up to 105. Wednesday Night: Partly cloudy. Lows in the mid 70s. Thursday: Mostly sunny. Highs in the mid 90s. Heat index values up to 105. Thursday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. Friday: Mostly sunny. Highs in the lower 90s. Heat index values up to 105. | |
| Zone Forecast: San Jacinto County | |
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