National Weather Service Forecast for: Martinez GA
Issued by: National Weather Service Columbia, SC
Updated: 2:21 pm EDT Sep 12, 2026
 
Tonight

Tonight: Showers and thunderstorms likely before 1am, then a slight chance of showers after 2am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 72. Light south wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Heavy Rain
then Slight
Chance
T-storms
 Sunday

Sunday: Mostly sunny, with a high near 93. Heat index values as high as 101. West wind 3 to 5 mph.
Mostly Sunny

 Sunday
Night
Sunday Night: Mostly clear, with a low around 72. Calm wind.
Mostly Clear

 Monday

Monday: Sunny, with a high near 95. Heat index values as high as 102. Light northeast wind.
Sunny

 Monday
Night
Monday Night: Mostly clear, with a low around 73. Calm wind becoming east around 6 mph after midnight.
Mostly Clear

 Tuesday

Tuesday: Mostly sunny, with a high near 90.
Mostly Sunny

 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 65.
Mostly Clear

 Wednesday

Wednesday: Sunny, with a high near 87.
Sunny

 Wednesday
Night
Wednesday Night: Clear, with a low around 65.
Clear
Lo 72 °F Hi 93 °F Lo 72 °F Hi 95 °F Lo 73 °F Hi 90 °F Lo 65 °F Hi 87 °F Lo 65 °F

 

Tonight
 
 Showers and thunderstorms likely before 1am, then a slight chance of showers after 2am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 72. Light south wind. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
 
 Mostly sunny, with a high near 93. Heat index values as high as 101. West wind 3 to 5 mph.
Sunday Night
 
 Mostly clear, with a low around 72. Calm wind.
Monday
 
 Sunny, with a high near 95. Heat index values as high as 102. Light northeast wind.
Monday Night
 
 Mostly clear, with a low around 73. Calm wind becoming east around 6 mph after midnight.
Tuesday
 
 Mostly sunny, with a high near 90.
Tuesday Night
 
 Mostly clear, with a low around 65.
Wednesday
 
 Sunny, with a high near 87.
Wednesday Night
 
 Clear, with a low around 65.
Thursday
 
 Sunny, with a high near 88.
Thursday Night
 
 Mostly clear, with a low around 68.
Friday
 
 Sunny, with a high near 91.
Friday Night
 
 Partly cloudy, with a low around 70.
Saturday
 
 Mostly sunny, with a high near 91.

 

Forecast from NOAA-NWS for Martinez GA.