7-Day Zone Forecast for Martin County (Text-Only)
NWS Forecast for: Martin County
Issued by: National Weather Service Indianapolis, IN
Last Update: 333 AM EDT Thu Aug 13 2026




Today: Patchy fog toward daybreak. Partly cloudy with scattered showers. Isolated thunderstorms toward daybreak, then scattered thunderstorms late this afternoon. Some thunderstorms may produce heavy rainfall toward daybreak. Some thunderstorms may produce heavy rainfall late this afternoon. Humid with highs in the upper 80s. South winds around 5 mph. Chance of rain 40 percent.

Tonight: Partly cloudy with scattered showers and thunderstorms. Some thunderstorms may produce heavy rainfall. Humid with lows in the lower 70s. East winds around 5 mph. Chance of rain 50 percent.

Friday: Partly cloudy through early afternoon, then clearing. Isolated showers. Isolated thunderstorms. Some thunderstorms may produce heavy rainfall through early afternoon. Hot with highs in the lower 90s. Southeast winds around 5 mph, becoming southwest late in the afternoon. Chance of rain 20 percent. Heat index values up to 109.

Friday Night: Partly cloudy with isolated showers and thunderstorms through the late overnight, then mostly clear toward daybreak. Humid with lows in the mid 70s. Light and variable winds. Chance of rain 20 percent.

Saturday: Mostly sunny. Hot with highs in the lower 90s. South winds around 5 mph. Heat index values up to 108.

Saturday Night: Mostly clear. Lows in the mid 70s.

Sunday: Sunny, hot with highs in the lower 90s. Heat index values up to 110.

Sunday Night And Monday: Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Highs in the upper 80s. Chance of rain 40 percent.

Monday Night: Partly cloudy. Lows in the mid 60s.

Tuesday Through Wednesday: Mostly clear. Highs in the mid 80s. Lows in the upper 60s.







Zone Forecast: Martin County

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