Historical weather data, all-time temperature records, and monthly climate averages for Valley Stream, NY. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Valley Stream tends to feel more late winter than spring, with an average high of just 55° and a low of 40°. There's a real spread in what's possible though — this date has swung from a balmy 73° in 2010 down to a bitter 24° in 1954. Rain is a coin-flip at 40% chance, but snow is essentially off the table.
Valley Stream has seen it all over 78 years of record-keeping, from a scorching 104° in July 1966 to a brutal -2° in January 1985 — a 106-degree swing. The wettest single day on record was a stunning 8.05 inches on September 29, 2023, and a January 2016 nor'easter buried the area under 30.3 inches of snow in a single event.
Summers here are warm and humid, peaking in the third week of July with average highs of 85°, while January is the depth of winter at a chilly 38°. If you're planning around rain, late July is the wettest stretch of the year. Spring and fall offer the most pleasant conditions, with April through May and September through October sitting in that comfortable 59°–76° range.