Historical weather data, all-time temperature records, and monthly climate averages for Harrison, AR. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Harrison runs mild, with average highs near 68° and lows around 42°. There's a 30% chance of rain, but snow is almost unheard of — though 1904 managed a brutal 20° low on this date, a reminder that the Ozarks can still bite in early spring.
Harrison's weather history doesn't mess around — temperatures have swung from a scorching 112° in July 1936 to a bone-chilling -20° in February 1905, a 132-degree range over the station's history. A single August storm in 1915 dumped 5.7 inches of rain in one day, and January 2022 buried the area under 12 inches of snow.
Summers are hot and long, with average highs peaking around 91-92° in mid-July, while January is the cold anchor of the year at just 48°. If you're planning around rain, late April is the wettest stretch of the calendar. Spring and fall offer the most comfortable windows, with April highs in the low 70s and October near 73°.