Precipitation forecast to occur over the next 24 to 48 hours is also entered into the model for inclusion in the forecasts. Wilmington is found near the center of Clinton County in Southwest Ohio. The terrain is generally characterized as gently rolling to flat. It's climate is classified as continental. Changes in the weather are frequent.
Summers are moderately warm and humid.
Only occasionally do temperatures exceed 90 degrees. Winters are reasonably cold and cloudy with an average of 4 days per winter recording sub-zero temperatures. The average annual temperature is 52.3 degrees. Average annual rainfall equals 36.24 inches with annual snowfall averaging 28.3 inches. Generally, Wilmington residents see an average of five snowfalls per year that exceed one inch.