Historical weather data, all-time temperature records, and monthly climate averages for Owasso, OK. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5 in Owasso runs mild, with an average high of 68° and low of 44° across 84 years of records. There's only a 24% chance of rain today, though the date has seen everything from a balmy 88° in 2000 to a freezing 29° back in 1968.
Owasso plays for keeps on both ends of the thermometer — the all-time high hit a scorching 113° on August 3, 2011, while the all-time low plunged to -13° during the February 2021 deep freeze. A single July day in 1963 dropped 7.54 inches of rain, and a February 2011 snowstorm buried the city under 13.2 inches.
Summers here are long and intense, with highs averaging 93-94° in July and August — peak heat runs July 16-22. If you're avoiding the heat, January is your safest bet at a 46° average high. Spring is the wettest stretch, with the week of May 7-13 averaging 1.44 inches of precipitation.