O Brien, Texas — City Overview

Living in O Brien, summers are intense — Aug highs average 97.9°F, while winters are chilly, with Feb lows around 33.9°F. With 2103 heating degree days annually, heating costs are moderate. At just 20.0 inches of annual rainfall, this is a dry climate. Within 5 miles: 1 park and 1 school. For hospital care, the nearest facility is in a neighboring city. Nearby cities: Haskell (16mi SE), Stamford (30mi S), Seymour (37mi E). Air quality is Good — avg AQI 42 over the past week.

View O Brien city guide

Updated August 10, 2026.

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