Hattiesburg Weather Forecast

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Last Updated: January 10, 2026

Hattiesburg, Mississippi is a city located in Forrest County with a population of approximately 45,000 residents.


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Summary

The climate in Hattiesburg is considered humid subtropical, with hot summers and mild winters. The city is situated along the Leaf River, which is a major hydrologic constituent of the region. Outdoor recreation opportunities in Hattiesburg include hiking and biking on the Longleaf Trace, fishing in the Leaf River or nearby lakes, and camping at Paul B. Johnson State Park. The city is also home to several golf courses and sports complexes, providing ample opportunities for outdoor activities.

       

Weather Forecast

Hattiesburg receives approximately 1552mm of rain per year, with humidity levels near 84% and air temperatures averaging around 19°C. Hattiesburg has a plant hardyness factor of 8, meaning plants and agriculture in this region tend to thrive here all year round.