Historical weather data, all-time temperature records, and monthly climate averages for Lindenhurst, NY. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5th in Lindenhurst typically lands squarely in early spring purgatory — average highs of 54° with lows still dipping to 37°. The date has swung from a balmy 68° back in 1988 all the way down to a brutal 24° in 1995, so don't put the jacket away just yet. There's about a 1-in-3 chance of rain today, though snow is almost a non-starter at just 2%.
Lindenhurst weather doesn't mess around at the extremes — this location has seen a scorching 104° in July 1966 and a bone-crushing -14° in February 1967, a swing of 118 degrees across its recorded history. The wettest single day on record dumped a staggering 13.51 inches on August 13, 2014, while the January 2022 blizzard buried the area under 23.5 inches of snow in a single storm.
Summer is the star here, with highs peaking around 82–84° during the third week of July, while mid-January bottoms out at a frigid 37° average high. If you're trying to avoid rain, steer clear of mid-August — that's statistically the wettest stretch of the year, averaging over an inch of precipitation in a single week. Spring and fall offer mild shoulder seasons, with April and October averaging highs in the upper 50s to mid-60s.