National Weather Service Forecast for: Hattiesburg MS
Issued by: National Weather Service Jackson, MS
Updated: 4:15 am CDT Jun 22, 2026
 
Today

Today: Mostly sunny, with a high near 94. Heat index values as high as 105. Southwest wind 5 to 10 mph.
Mostly Sunny

 Tonight

Tonight: Partly cloudy, with a low around 76. South southwest wind around 5 mph.
Partly Cloudy

 Tuesday

Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 93. Heat index values as high as 103. Calm wind becoming west around 5 mph in the morning.
Mostly Cloudy
then Chance
T-storms
 Tuesday
Night
Tuesday Night: A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 75. Calm wind. Chance of precipitation is 30%.
Chance
T-storms then
Chance
Showers
 Wednesday

Wednesday: Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 93. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Slight Chance
T-storms then
T-storms
Likely
 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 74. Calm wind.
Partly Cloudy

 Thursday

Thursday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Calm wind becoming west southwest around 5 mph in the afternoon.
Partly Sunny
then Chance
T-storms
 Thursday
Night
Thursday Night: Partly cloudy, with a low around 74. Calm wind.
Partly Cloudy

 Friday

Friday: Sunny, with a high near 95. Calm wind becoming south southwest around 5 mph in the afternoon.
Sunny
Hi 94 °F Lo 76 °F Hi 93 °F Lo 75 °F Hi 93 °F Lo 74 °F Hi 94 °F Lo 74 °F Hi 95 °F

 

Today
 
 Mostly sunny, with a high near 94. Heat index values as high as 105. Southwest wind 5 to 10 mph.
Tonight
 
 Partly cloudy, with a low around 76. South southwest wind around 5 mph.
Tuesday
 
 A 30 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, then gradually becoming sunny, with a high near 93. Heat index values as high as 103. Calm wind becoming west around 5 mph in the morning.
Tuesday Night
 
 A chance of showers and thunderstorms before 1am, then a chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 75. Calm wind. Chance of precipitation is 30%.
Wednesday
 
 Showers and thunderstorms likely, mainly after 1pm. Mostly sunny, with a high near 93. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
 
 Partly cloudy, with a low around 74. Calm wind.
Thursday
 
 A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Calm wind becoming west southwest around 5 mph in the afternoon.
Thursday Night
 
 Partly cloudy, with a low around 74. Calm wind.
Friday
 
 Sunny, with a high near 95. Calm wind becoming south southwest around 5 mph in the afternoon.
Friday Night
 
 Mostly clear, with a low around 75.
Saturday
 
 Sunny, with a high near 95.
Saturday Night
 
 Mostly clear, with a low around 76.
Sunday
 
 Sunny, with a high near 96.

 

Forecast from NOAA-NWS for Hattiesburg MS.