Truro, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Truro, a city in Madison County, Iowa.
Overnight
67°F
Mostly Cloudy
Mostly cloudy, with a low around 67. South wind around 6 mph.
7-day forecast for Truro
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 67°F | Mostly Cloudy | 6 mph S | 4% |
| Tuesday | 85°F | Chance Showers And Thunderstorms | 5 to 8 mph WNW | 42% |
| Tuesday Night | 64°F | Showers And Thunderstorms | 7 to 10 mph NNE | 86% |
| Wednesday | 72°F | Showers And Thunderstorms Likely | 8 mph NNE | 70% |
| Wednesday Night | 59°F | Chance Showers And Thunderstorms | 2 to 7 mph NE | 43% |
| Thursday | 80°F | Mostly Sunny | 3 mph NE | 9% |
| Thursday Night | 62°F | Mostly Clear | 5 mph SE | 5% |
| Friday | 85°F | Mostly Sunny | 3 to 7 mph S | 5% |
| Friday Night | 67°F | Mostly Clear | 6 mph S | 10% |
| Saturday | 89°F | Sunny | 6 to 10 mph SSW | 5% |
| Saturday Night | 73°F | Mostly Clear | 10 to 15 mph SSW | 9% |
| Sunday | 90°F | Mostly Sunny | 14 mph SSW | 9% |
| Sunday Night | 72°F | Slight Chance Showers And Thunderstorms | 14 mph S | 22% |
| Monday | 91°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 13 to 16 mph SSW | 22% |
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 Aug 4, 2026.