Truro, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Truro, a city in Madison County, Iowa.
This Afternoon
86°F
Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms. Partly sunny. High near 86, with temperatures falling to around 82 in the afternoon. West wind around 7 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Truro
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 86°F | Slight Chance Showers And Thunderstorms | 7 mph W | 19% |
| Tonight | 62°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 9 mph N | 74% |
| Sunday | 64°F | Chance Showers And Thunderstorms | 8 to 12 mph NNE | 45% |
| Sunday Night | 57°F | Rain Showers Likely | 10 mph NE | 70% |
| Monday | 58°F | Rain Showers | 10 mph NE | 81% |
| Monday Night | 53°F | Rain Showers Likely | 9 mph NNE | 68% |
| Tuesday | 59°F | Mostly Cloudy | 8 mph NE | 14% |
| Tuesday Night | 47°F | Partly Cloudy | 3 to 7 mph NE | 2% |
| Wednesday | 62°F | Mostly Sunny | 5 mph ENE | 0% |
| Wednesday Night | 52°F | Partly Cloudy | 3 mph E | 8% |
| Thursday | 65°F | Slight Chance Rain Showers | 5 mph SE | 21% |
| Thursday Night | 58°F | Slight Chance Rain Showers | 3 mph ESE | 24% |
| Friday | 68°F | Slight Chance Rain Showers | 5 mph ESE | 24% |
| Friday Night | 59°F | Mostly Cloudy | 5 mph E | 13% |
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 Sep 20, 2026.