Historical weather data, all-time temperature records, and monthly climate averages for Bloomfield, NJ. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Bloomfield sits right in the heart of spring's unpredictability — expect a high around 57° and a low of 41°, but the date has swung anywhere from a balmy 77° to a bitter 31°. There's also a better-than-even chance of rain, so keep a jacket and an umbrella handy.
Bloomfield has seen the full extremes of a Northeast climate, from a scorching 107° on July 22, 2011 to a bone-chilling 0° on January 16, 2004. Tropical Storm Ida made its mark with a staggering 8.59 inches of rain on September 2, 2021, while a January 1996 nor'easter buried the area under 25 inches of snow in a single day.
Summers are legitimately hot here — the warmest week of the year averages a 90° high in mid-July, making June through August prime heat season. Winters are cold but short on extremes, with January highs hovering around 39–40°. If you're trying to dodge both the heat and the chill, May and September offer the sweetest spots, with highs in the 70s and relatively modest rainfall.