Harman US

Truro, IA Weather & Growing Conditions

Overnight
45°F
Slight Chance Rain Showers
A slight chance of rain showers after 5am. Cloudy. Low around 45, with temperatures rising to around 47 overnight. West wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

7-day forecast

WhenTempForecastWindPrecip
Overnight 45°F Slight Chance Rain Showers 14 mph W 15%
Wednesday 51°F Slight Chance Rain Showers then Cloudy 14 to 17 mph W 16%
Wednesday Night 43°F Mostly Cloudy then Chance Rain Showers 13 mph W 28%
Thursday 53°F Chance Rain Showers then Cloudy 12 mph NW 33%
Thursday Night 40°F Mostly Cloudy 9 mph NNW 9%
Friday 50°F Partly Sunny 5 to 8 mph N 6%
Friday Night 31°F Partly Cloudy 3 mph ENE 0%
Saturday 53°F Mostly Sunny 3 mph SW 1%
Saturday Night 36°F Mostly Clear 6 mph WSW 0%
Sunday 59°F Sunny 6 mph W 0%
Sunday Night 38°F Clear 6 mph SW 0%
Monday 65°F Sunny 6 to 10 mph SW 0%
Monday Night 42°F Mostly Clear 3 to 7 mph W 0%
Tuesday 65°F Sunny 5 mph NNW 0%

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

Growing snapshot for Truro, IA

Last spring frost
Apr 30
First fall frost
Oct 3
Growing season
157 days
Hardiness zone
5b

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

Climate data from the nearest NOAA station, Winterset 1S, Ia (12.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.