Historical weather data, all-time temperature records, and monthly climate averages for Copiague, NY. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5th in Copiague typically lands in that awkward shoulder season — expect a high around 54° and a low of 37°, with just a 32% chance of rain and almost no shot at snow. Historically, the date has swung hard in both directions, from a balmy 68° back in 1988 to a brutal 24° low in 1995.
Copiague's weather history is not for the faint of heart — the thermometer has hit 104° in July 1966 and cratered to -14° in February 1967, a 118-degree swing between extremes. The area can also get walloped by water, as August 2014 proved with 13.51 inches of rain in a single day, and a January 2022 snowstorm buried it under 23.5 inches.
Summer is the sweet spot here, with highs peaking around 82-84° in mid-July, while January and February are the ones to avoid if you hate the cold — highs barely crack 40°. Wettest conditions cluster in mid-August, so pack accordingly if you're visiting late summer.