| NWS Forecast for: Coastal St. Lucie Issued by: National Weather Service Melbourne, FL Last Update: 350 PM EDT Tue Jul 7 2026 |  |
| Tonight: Partly cloudy through early morning then becoming mostly clear. A chance of showers and thunderstorms early in the evening. Lows in the upper 70s. South winds 5 to 10 mph becoming southwest around 5 mph late. Chance of rain 50 percent. Wednesday: Sunny with a slight chance of showers and thunderstorms late in the morning, then partly sunny late in the afternoon and towards sunset. Highs around 90. Southeast winds 5 to 10 mph increasing to 10 to 15 mph late in the afternoon and towards sunset. Chance of rain 20 percent. Heat index values up to 105. Wednesday Night: Partly cloudy. Lows in the upper 70s. South winds 10 to 15 mph decreasing to around 5 mph after midnight. Thursday: Mostly sunny. Highs in the lower 90s. Southeast winds 10 to 15 mph. Heat index values up to 104. Thursday Night: Mostly clear. Lows in the upper 70s. Southeast winds 10 to 15 mph decreasing to 5 to 10 mph after midnight. Friday: Partly sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent. Friday Night: Mostly clear. Lows in the upper 70s. 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 around 90. Chance of rain 50 percent. Saturday Night: Mostly clear. Lows in the upper 70s. Sunday: Mostly sunny. A slight chance of showers and thunderstorms late in the afternoon and towards sunset. Highs in the lower 90s. Chance of rain 20 percent. Sunday 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 percent. Monday: Mostly sunny. A chance of showers and thunderstorms late in the afternoon and towards sunset. Highs in the lower 90s. Chance of rain 40 percent. Monday 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 percent. Tuesday: Partly sunny. A chance of showers and thunderstorms late in the afternoon and towards sunset. Highs around 90. Chance of rain 40 percent. | |
| Zone Forecast: Coastal St. Lucie | |
Visit your local NWS office at: https://www.weather.gov/mlb |