Historical weather data, all-time temperature records, and monthly climate averages for Middle Island, NY. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Middle Island runs cool and damp — expect a high near 53° and a coin-flip chance of rain. The date has swung wildly over 32 years, from a spring-like 64° in 2010 down to a brutal 25° low in 2013, so don't put the jacket away just yet.
Middle Island has seen it all, from a scorching 101° in July 1999 to a bone-chilling -7° in February 2015 — a 108-degree spread that captures Long Island's full temperamental range. The wettest single day on record dumped 6.87 inches in October 2005, and one February storm in 2013 buried the area under 30.3 inches of snow.
Summer is the sweet spot, with highs peaking around 82-84° in mid-July — perfect beach weather for this corner of Long Island. Winter bottoms out the last week of January, where average highs barely crack 37°. If you're trying to dodge rain, avoid early December, which is statistically the wettest stretch of the year.