Historical weather data, all-time temperature records, and monthly climate averages for Saco, ME. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5 in Saco runs cool, with an average high of just 48° and a low of 29° across 36 years of data. The date has swung wildly though — from a balmy 77° in 2010 to a brutal 13° low in 2016. There's about a 1-in-9 chance of snow today, so don't put the layers away just yet.
Saco has seen the full extremes of a coastal Maine climate, from a scorching 99° on June 25, 2025 to a bone-chilling -20° on January 27, 1994 — a range of 119 degrees. October is when the storms get serious: the wettest single day on record dumped 7.63 inches of rain on October 21, 1996, and a February nor'easter buried the area under 18.5 inches of snow on February 9, 2013.
Saco's summer sweet spot runs mid-July through late August, when average highs peak around 77-78°. Winter bottoms out in late January with average highs of just 31°, so plan accordingly. October is the wettest stretch of the year, averaging over 1.5 inches in a single week, while spring warms slowly — April averages only 52°.