Grayson Weather Forecast

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Last Updated: April 1, 2026

Grayson, Georgia is a small city located in Gwinnett County.


Summary

The climate in Grayson is humid subtropical, with hot summers and mild winters. The city is located near the Yellow River, which provides opportunities for water-based outdoor recreation such as fishing and kayaking. The river is also an important hydrology constituent for the area. In addition to the Yellow River, there are several parks in Grayson that offer outdoor recreation opportunities, including Tribble Mill Park, which features hiking trails, picnic areas, and a lake for fishing and boating. The city also hosts events throughout the year, including a farmers market and a fall festival.



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15-Day Weather Outlook


       

5-Day Hourly Forecast Detail

Grayson receives approximately 1293mm of rain per year, with humidity levels near 86% and air temperatures averaging around 16°C. Grayson has a plant hardyness factor of 7, meaning plants and agriculture in this region tend to thrive during the non-winter months.