Historical weather data, all-time temperature records, and monthly climate averages for Bay Shore, NY. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Bay Shore sits right in the shoulder season, with average highs of 53° and lows of 38° across 62 years of data. There's nearly a coin-flip chance of rain today (48%), though snow is essentially off the table. The date has seen wild swings — a balmy 75° in 2010 and a bitter 26° low back in 1972.
Bay Shore has seen some genuinely extreme weather over its 63-year record. The mercury has soared as high as 104° (July 3, 1966) and plunged to -14° (February 13, 1967) — a jaw-dropping 118-degree spread. On the wet side, a single day in August 2014 dumped 13.51 inches of rain, and a January 2022 storm buried the area under 23.5 inches of snow.
Bay Shore follows a classic mid-Atlantic pattern: peak summer heat runs mid-July through late July with average highs near 84°, while January is the coldest stretch at just 37°. If you're rain-averse, avoid mid-August — that's historically the wettest week of the year, averaging over an inch of precipitation. Spring and fall offer the most comfortable temperatures, with April and October both landing in the pleasant 58–64° range.