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New Hampton, IA Weather & Growing Conditions

Tonight
56°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Cloudy. Low around 56, with temperatures rising to around 58 overnight. Northeast wind 7 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 56°F Chance Showers And Thunderstorms 7 to 13 mph NE 38%
Sunday 66°F Slight Chance Rain Showers then Mostly Cloudy 16 mph NE 16%
Sunday Night 50°F Cloudy then Chance Rain Showers 12 to 15 mph NE 31%
Monday 58°F Rain Showers Likely 12 to 16 mph NE 60%
Monday Night 46°F Rain Showers Likely 10 mph NE 60%
Tuesday 58°F Slight Chance Rain Showers then Partly Sunny 8 to 12 mph NE 23%
Tuesday Night 44°F Partly Cloudy 6 mph NE 2%
Wednesday 62°F Mostly Sunny 7 mph E 0%
Wednesday Night 48°F Partly Cloudy 5 mph E 4%
Thursday 64°F Partly Sunny 5 mph SE 14%
Thursday Night 53°F Slight Chance Rain Showers 3 mph E 16%
Friday 68°F Partly Sunny 5 mph E 11%
Friday Night 54°F Mostly Cloudy 5 mph E 6%
Saturday 68°F Slight Chance Rain Showers 5 to 8 mph SE 19%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for New Hampton, IA

Last spring frost
May 2
First fall frost
Oct 5
Growing season
155 days
Hardiness zone
5a

Explore more for New Hampton, IA: full frost dates · planting calendar · Iowa frost dates

Climate data from the nearest NOAA station, New Hampton, Ia (3.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.