Truro, IA Weather & Growing Conditions
Tonight
70°F
Mostly Cloudy then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 70. South southwest wind 7 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 70°F | Mostly Cloudy then Chance Showers And Thunderstorms | 7 to 10 mph SSW | 33% |
| Saturday | 82°F | Chance Showers And Thunderstorms | 7 to 10 mph WSW | 40% |
| Saturday Night | 64°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 8 mph N | 56% |
| Sunday | 67°F | Showers And Thunderstorms Likely | 8 to 12 mph NNE | 61% |
| Sunday Night | 58°F | Showers And Thunderstorms Likely | 12 mph NE | 61% |
| Monday | 60°F | Rain Showers Likely | 10 mph NE | 64% |
| Monday Night | 53°F | Chance Rain Showers | 9 mph NE | 51% |
| Tuesday | 59°F | Mostly Cloudy | 8 mph NE | 13% |
| Tuesday Night | 49°F | Partly Cloudy | 3 to 7 mph NE | 4% |
| Wednesday | 64°F | Mostly Sunny | 5 mph ENE | 2% |
| Wednesday Night | 52°F | Partly Cloudy | 3 mph ESE | 4% |
| Thursday | 66°F | Slight Chance Rain Showers | 3 mph ESE | 17% |
| Thursday Night | 56°F | Mostly Cloudy then Slight Chance Rain Showers | 3 mph SE | 16% |
| Friday | 66°F | Slight Chance Rain Showers | 2 to 6 mph ESE | 16% |
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 Sep 19, 2026.