Carroll, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Carroll, a city in Carroll County, Iowa.
Overnight
67°F
Showers And Thunderstorms Likely
Showers and thunderstorms likely. Cloudy. Low around 67, with temperatures rising to around 69 overnight. West southwest wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Carroll
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 67°F | Showers And Thunderstorms Likely | 6 mph WSW | 56% |
| Saturday | 77°F | Patchy Fog | 7 mph NW | 40% |
| Saturday Night | 59°F | Slight Chance Rain Showers | 8 mph N | 26% |
| Sunday | 65°F | Chance Drizzle then Chance Rain Showers | 10 mph NE | 48% |
| Sunday Night | 55°F | Chance Rain Showers | 9 mph ENE | 51% |
| Monday | 60°F | Rain Showers Likely | 8 mph ENE | 60% |
| Monday Night | 50°F | Chance Rain Showers | 3 to 7 mph ENE | 50% |
| Tuesday | 61°F | Partly Sunny | 6 mph ENE | 8% |
| Tuesday Night | 45°F | Partly Cloudy | 3 mph ESE | 1% |
| Wednesday | 65°F | Mostly Sunny | 3 mph ESE | 1% |
| Wednesday Night | 50°F | Partly Cloudy then Slight Chance Rain Showers | 2 mph SE | 15% |
| Thursday | 66°F | Slight Chance Rain Showers | 1 to 5 mph SE | 19% |
| Thursday Night | 54°F | Mostly Cloudy | 2 mph SE | 11% |
| Friday | 68°F | Mostly Cloudy | 1 to 6 mph ESE | 11% |
Forecast source: National Weather Service (api.weather.gov) for Carroll (42.070, -94.864). Updated through the day.
Growing snapshot for Carroll
Last spring frost
Apr 27
First fall frost
Oct 10
Growing season
166 days
Hardiness zone
5a
More local growing data for Carroll: nearby ZIP 51401 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Carroll, Ia (1 mi from Carroll). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.