Truro, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Truro, a city in Madison County, Iowa.
This Afternoon
49°F
Cloudy
Cloudy, with a high near 49. West wind around 15 mph, with gusts as high as 22 mph.
7-day forecast for Truro
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 49°F | Cloudy | 15 mph W | 9% |
| Tonight | 42°F | Cloudy then Slight Chance Rain Showers | 13 mph W | 22% |
| Thursday | 52°F | Chance Rain Showers then Cloudy | 13 mph NW | 25% |
| Thursday Night | 39°F | Mostly Cloudy | 7 to 10 mph NNW | 3% |
| Friday | 48°F | Partly Sunny | 3 to 8 mph N | 3% |
| Friday Night | 29°F | Partly Cloudy | 3 mph ENE | 0% |
| Saturday | 53°F | Mostly Sunny | 5 mph SW | 0% |
| Saturday Night | 35°F | Mostly Clear | 6 mph WSW | 0% |
| Sunday | 61°F | Sunny | 5 mph W | 0% |
| Sunday Night | 38°F | Clear | 3 to 7 mph SW | 0% |
| Monday | 66°F | Sunny | 7 to 10 mph SW | 0% |
| Monday Night | 42°F | Clear | 3 to 7 mph W | 0% |
| Tuesday | 63°F | Sunny | 5 mph NNW | 1% |
| Tuesday Night | 42°F | Partly Cloudy | 3 mph N | 3% |
Forecast source: National Weather Service (api.weather.gov) for Truro (41.210, -93.847). Updated through the day.
Growing snapshot for Truro
Last spring frost
Apr 30
First fall frost
Oct 3
Growing season
157 days
Hardiness zone
5b
More local growing data for Truro: nearby ZIP 50257 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Winterset 1S, Ia (12.2 mi from Truro). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.