Historical weather data, all-time temperature records, and monthly climate averages for Port Washington, NY. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Port Washington typically lands right in that transitional sweet spot — expect a high around 56° and a low near 41°. There's a 40% chance of rain, though snow is almost a non-factor at just 1%. The date's range across 86 years of records tells the whole story: it's hit as warm as 76° in 2010 and as cold as 24° back in 1954.
Port Washington's weather history has some real extremes baked in — from a scorching 107° on July 3, 1966 to a brutal -7° on February 15, 1943, a swing of 114 degrees. On the wet side, Hurricane Ida dropped 6.8 inches in a single day on September 1, 2021, and the January 2016 blizzard buried the area under 27.9 inches of snow.
Summer is the clear star here — highs average 85° the week of July 16–22, making late July the peak of beach season on Long Island Sound. Winter bottoms out mid-January with average highs of just 38°, so bundle up if you're visiting between December and February. The wettest stretch runs early August, averaging 1.21 inches for the week, so keep an umbrella handy even at the height of summer.