Historical weather data, all-time temperature records, and monthly climate averages for Lynbrook, NY. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5th in Lynbrook typically lands in that in-between zone — average highs of 55° and lows of 40°, with just a 29% chance of rain and essentially no shot at snow. The date has seen some wild swings though, from a balmy 73° in 1988 down to a bitter 24° in 1995.
Lynbrook's weather history has some serious extremes on the books: a scorching 104° on July 3, 1966, and a brutal -2° on January 21, 1985 — a 106-degree spread between the all-time high and low. The wettest single day on record dropped a staggering 8.05 inches in September 2023, while a January 2016 snowstorm buried the area under 30.3 inches.
Summer is the sweet spot, with highs peaking around 83–85° in mid-to-late July — the warmest stretch of the year. Winter bottoms out mid-January with average highs barely reaching 38°. Late July is also the wettest stretch, averaging nearly an inch of precipitation per week.