Greybull Weather Forecast

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Last Updated: January 4, 2026

Greybull, Wyoming is a small town located in the Big Horn Basin region.


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Summary

The climate is semi-arid with hot summers and cold winters. The town is situated near the Greybull River which is known for its excellent fishing opportunities. The river is fed by snowmelt from the nearby mountains and is home to brown and rainbow trout. The area also has several hot springs that are a popular attraction for visitors. Outdoor recreation opportunities include hiking, camping, and wildlife viewing in the nearby Bighorn Mountains. The Bighorn National Forest also offers opportunities for hunting, fishing, and winter sports such as skiing and snowmobiling. Overall, Greybull is a great destination for those looking to experience the natural beauty of Wyoming.

       

Weather Forecast

Greybull receives approximately 182mm of rain per year, with humidity levels near 50% and air temperatures averaging around 8°C. Greybull has a plant hardyness factor of 4, meaning plants and agriculture in this region thrive during a short period during spring and early summer. Most plants will die off during the colder winter months.