Historical weather data, all-time temperature records, and monthly climate averages for North Merrick, NY. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5th in North Merrick sits right in the thick of spring's tug-of-war — the average high is a mild 55°, but 77 years of data show this date can swing anywhere from a bitter 24° (1995) to a summery 73° (1988). There's roughly a 1-in-3 chance of rain today, though snow is almost off the table at just 1%.
North Merrick has seen it all over the past 78 years — from a scorching 104° in July 1966 to a brutal -2° in January 1985, a swing of 106 degrees. The wettest single day on record dumped 8.05 inches of rain on September 29, 2023, while the January 2016 blizzard buried the area under 30.3 inches of snow.
Summer is the sweet spot here, with highs peaking around 85° during the third week of July and staying in the low 80s through August. If you're avoiding the cold, steer clear of mid-January, when average highs dip to just 38°. Late July is also the wettest stretch of the year, so pack an umbrella if you're visiting then.