Historical weather data, all-time temperature records, and monthly climate averages for Trotwood, OH. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4 in Trotwood sits right in that unpredictable shoulder season — historically, highs average 59° but have swung anywhere from a bitter 20° back in 1915 to a downright summery 82° in 2007. There's a coin-flip chance of rain today (52% historically), though snow is nearly off the table at just 2%.
Trotwood's weather history is full of extremes: the thermometer has hit a scorching 108° in July 1901 and plunged to a brutal -28° in February 1899, a swing of 136 degrees across the record books. A single storm dropped 4.65 inches of rain on September 14, 1979, and winter once buried the area under 10.5 inches of snow in one February 1910 day.
Summer is the clear headliner here — the warmest week of July 16–22 averages a high of 88°, while January bottoms out around a frigid 37°. If you're rain-averse, avoid mid-June, when the wettest stretch of the year averages over an inch of precipitation in a single week. For the best of all worlds, aim for May or September, when highs are pleasant in the 70s.