Hurricanes and Tornadoes That Hit Concord, MA

The nearest NOAA station with 1991–2020 climate normals is Maynard 2, MA, 4 miles southwest of Concord at 205 feet. July is the warmest, with an average high of 87°F and low of 60°F; January is the coolest, at 37°F and 15°F. October is the wettest at 5.1 inches of precipitation on average and February the driest at 3.3 inches; the year adds up to 49.9 inches over 84 days with at least a tenth of an inch. June to November, the hurricane season months, bring 51% of the year's precipitation (25.4 of 49.9 inches); the other six months are drier. September has brought the most of the 48 tropical systems that passed within 75 miles (17); a normal September there has highs of 78°F and 3.9 inches of precipitation. Highs reach 90°F on about 22 days a year, almost all from May to September. Lows fall below freezing on about 147 nights a year. That 49.9 inches is more than at 47 of the 65 Massachusetts stations used on this site (72%). Lincoln, 4 miles southeast, has its own station (Bedford Hanscom Field, MA): 42.6 inches a year, 7.3 less than here, and a July average high of 85°F against 87°F.

Sea level at the Boston tide gauge, 18 miles from Concord, has risen 1.17 ± 0.03 inches per decade from 1921 to 2025, NOAA's linear trend; at that pace it is 11.7 inches in a hundred years. That is faster than at 68 of the 144 U.S. gauges with a NOAA trend.

Since 1996, the National Weather Service has logged 262 flood, rain, thunderstorm wind and lightning events that began within 10 miles of Concord: 193 thunderstorm wind reports, 42 floods, 14 lightning strikes and 13 flash floods. They killed 0 people and injured 7, and the NWS estimated $3.6 million in property and crop damage. The strongest thunderstorm gust on record here was 100 mph, on July 7, 2014. Of the 339 Massachusetts cities on this site with a flash flood on record, 113 have had fewer than Concord.

Flood insurance policyholders in Concord's ZIP code 01742 have filed 62 claims with the National Flood Insurance Program since 1978, and were paid $406,000 for buildings and contents, in the dollars of each year. The most came from March 2010 Nor'easter in 2010: 20 claims (32% of all) and $175,000, then Flooding in 1987 with 16. 71% of the claims carry the name of a storm or flood event; the rest have no event name. Of the 229 Massachusetts cities on this site with 10 or more claims, 147 have fewer than Concord.