Harman US

Warner, NH Weather & Growing Conditions

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

This Afternoon
69°F
Mostly Cloudy
Mostly cloudy. High near 69, with temperatures falling to around 63 in the afternoon. South wind around 5 mph.

7-day forecast for Warner

WhenTempForecastWindPrecip
This Afternoon 69°F Mostly Cloudy 5 mph S 12%
Tonight 46°F Mostly Cloudy 0 mph 5%
Wednesday 75°F Mostly Sunny 0 to 5 mph SW 5%
Wednesday Night 52°F Partly Cloudy 0 to 5 mph SW 2%
Thursday 70°F Scattered Rain Showers 0 to 5 mph SW 50%
Thursday Night 56°F Isolated Rain Showers 0 to 5 mph SW 22%
Friday 67°F Light Rain Likely 0 mph 60%
Friday Night 50°F Light Rain 0 to 5 mph N 77%
Saturday 61°F Light Rain Likely 5 mph NW 67%
Saturday Night 40°F Chance Light Rain 5 mph NW 51%
Sunday 56°F Slight Chance Light Rain 5 mph W 24%
Sunday Night 34°F Partly Cloudy 5 mph W 11%
Monday 54°F Slight Chance Light Rain 5 to 10 mph W 20%
Monday Night 33°F Slight Chance Light Rain 5 mph W 19%

Forecast source: National Weather Service (api.weather.gov) for Warner (43.284, -71.824). Updated through the day.

Growing snapshot for Warner

Last spring frost
May 14
First fall frost
Sep 29
Growing season
138 days
Hardiness zone
5b

More local growing data for Warner: nearby ZIP 03278 weather · frost dates · planting calendar · New Hampshire frost dates

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Climate data from the nearest NOAA station, Salisbury, Nh (5.9 mi from Warner). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.