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Concord, NH Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Concord, a city in Merrimack County, New Hampshire.

Tonight
45°F
Mostly Cloudy
Mostly cloudy, with a low around 45. South wind around 0 mph.

7-day forecast for Concord

WhenTempForecastWindPrecip
Tonight 45°F Mostly Cloudy 0 mph 3%
Wednesday 76°F Mostly Sunny 0 to 5 mph SW 5%
Wednesday Night 52°F Partly Cloudy 0 to 5 mph S 2%
Thursday 72°F Scattered Rain Showers 5 to 10 mph S 45%
Thursday Night 58°F Isolated Rain Showers 0 to 5 mph SW 22%
Friday 69°F Light Rain Likely 0 mph 64%
Friday Night 52°F Light Rain 0 to 5 mph N 79%
Saturday 62°F Light Rain Likely 5 mph N 69%
Saturday Night 40°F Chance Light Rain 0 to 5 mph NW 52%
Sunday 58°F Chance Light Rain 5 to 10 mph W 26%
Sunday Night 33°F Partly Cloudy 0 to 5 mph W 12%
Monday 56°F Slight Chance Light Rain 5 to 10 mph W 19%
Monday Night 31°F Slight Chance Light Rain 5 mph W 18%
Tuesday 56°F Mostly Sunny 5 to 10 mph W 14%

Forecast source: National Weather Service (api.weather.gov) for Concord (43.232, -71.561). Updated through the day.

Growing snapshot for Concord

Last spring frost
May 8
First fall frost
Oct 3
Growing season
146 days
Hardiness zone
5b

More local growing data for Concord: nearby ZIP 03301 weather · frost dates · planting calendar · New Hampshire frost dates

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Climate data from the nearest NOAA station, Concord Muni Ap, Nh (4.1 mi from Concord). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.