The pattern turns more active again with a passing disturbance. Clouds increase with a chance of scattered rain showers, especially later in the day. A brief mix with wet snow is possible at night if precipitation lingers. • High: 46°F | Low: 32°F | Wind: W 8–15 mph • Sky: Partly to mostly cloudy • Precipitation: 30% chance of showers
High pressure builds in, bringing a quieter and more typical late-March day. Sunshine returns with lighter winds and near-normal temperatures. • High: 45°F | Low: 30°F | Wind: NW 8–15 mph • Sky: Mostly sunny
Lingering precipitation early in the day may mix with or briefly change to wet snow as colder air seeps in, though confidence is low on accumulation. Conditions trend drier through the afternoon with partial clearing developing late. • High: 43°F | Low: 29°F | Wind: NW 10–20 mph • Sky: Cloudy early, becoming partly sunny • Precipitation: Chance of rain/snow early
A tricky forecast with a frontal system moving through. Overcast skies dominate with periods of rain developing, especially morning into midday. There is a low risk of some wet snow mixing in early north of Route 2, but mainly rain for Waltham. Breezy and raw overall. • High: 48°F | Low: 36°F | Wind: SE shifting S 10–20 mph • Sky: Cloudy • Precipitation: Periods of rain, slight mix possible early
No major storm systems are in sight. Expect a mix of sun and clouds with temperatures close to normal for mid-March. A fairly calm finish to the period. • High: 47°F | Low: 31°F | Wind: W 6–12 mph • Sky: Partly sunny
Temperatures continue to rebound toward seasonable levels. Most of the day looks dry, but a weak shortwave and front may bring a low chance for a passing shower at some point. Coverage appears limited for now. • High: 48°F | Low: 33°F | Wind: SW 8–15 mph • Sky: Partly to mostly cloudy • Precipitation: 20% chance of showers
High pressure keeps conditions dry. The morning starts cold, but with lighter winds and March sun, temperatures recover somewhat during the afternoon. Overall, a quiet and seasonable late-winter day. • High: 42°F | Low: 25°F | Wind: W 5–10 mph • Sky: Mostly sunny
Colder air pours in behind the storm, making this one of the chilliest days of the week. Sunshine returns, but brisk winds keep temperatures from recovering much. A cold night follows under partly cloudy skies. • High: 37°F | Low: 24°F | Wind: NW 12–20 mph, gusts 25–30 mph • Sky: Mostly sunny
This is the most impactful part of the forecast period. Heavy rain and potentially a few convective downpours or even an isolated thunderstorm continue into Monday night and very early Tuesday, along with strong to potentially damaging wind gusts. Conditions improve quickly from west to east Tuesday morning, with drier air and some clearing arriving by afternoon. • High: 51°F | Low: 33°F | Wind: SSW shifting W 20–30 mph, gusts 40–55 mph • Sky: Rain early, then becoming partly sunny • Precipitation: 90% early, ending west to east • Rainfall: Storm total 1” to 2”, localized 3” possible
A strong storm system approaches from the west, drawing deep moisture into southern New England. Showers become more numerous through the day, and some rain may turn heavy by afternoon into the evening. It also turns milder and increasingly breezy as the day goes on. • High: 57°F | Low: 48°F | Wind: S 15–25 mph, gusts 30–40 mph • Sky: Cloudy • Precipitation: Rain developing, heavy at times late • Rainfall: 0.75” to 1.50” possible by late night
