Historical weather data, all-time temperature records, and monthly climate averages for Northbrook, OH. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Northbrook splits the difference between winter and spring — expect a high near 63° and a low around 38°, with almost coin-flip odds of rain at 46%. The date has swung wildly over the years, from a balmy 83° in 1986 to a teeth-chattering 22° in 1992.
Northbrook plays for keeps on both ends of the thermometer — the mercury has hit 106° in July 2012 and crashed to -23° in January 1994, a swing of nearly 130 degrees. A single July 2023 storm dumped 5.26 inches of rain in one day, which tells you something about how hard this region can get hit.
Summer is the main event, with highs averaging 88-89° in mid-July and a long warm stretch from June through September. If you're avoiding the cold, steer clear of mid-January, when average highs sit at just 38°. Late April into early May is the wettest stretch of the year, averaging 1.41 inches in a single week.