Historical weather data, all-time temperature records, and monthly climate averages for Deer Park, NY. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5 in Deer Park sits right in the thick of spring's transition, with an average high of 54° and low of 37° across 62 years of records. The date has swung wildly — from a balmy 68° in 1988 to a brutal 24° low in 1995. There's about a 1-in-3 chance of rain today, though snow is nearly off the table at just 2%.
Deer Park's weather has real teeth at both extremes — the thermometer has soared to 104° (July 1966) and plunged to -14° (February 1967), a 118-degree spread over six decades. A single August day in 2014 dumped 13.51 inches of rain, and a January 2022 storm buried the town under 23.5 inches of snow.
Summer is the main event here, with highs peaking around 82–84° in mid-July before tapering through fall. Winters are cold but not punishing, with January and February highs hovering in the upper 30s to 40°. August is the wettest stretch of the year, so pack accordingly if you're visiting late summer.