Hillsboro, IA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hillsboro, a city in Lee County, Iowa.
Today
53°F
Cloudy
Cloudy, with a high near 53. West wind 10 to 15 mph, with gusts as high as 25 mph.
7-day forecast for Hillsboro
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 53°F | Cloudy | 10 to 15 mph W | 7% |
| Tonight | 44°F | Mostly Cloudy | 10 mph SW | 5% |
| Thursday | 55°F | Rain Showers Likely | 5 to 10 mph W | 55% |
| Thursday Night | 42°F | Slight Chance Rain Showers then Mostly Cloudy | 5 mph NW | 19% |
| Friday | 50°F | Partly Sunny | 5 to 10 mph N | 3% |
| Friday Night | 31°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 51°F | Mostly Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 34°F | Mostly Clear | 0 mph | 1% |
| Sunday | 58°F | Sunny | 0 to 5 mph W | 1% |
| Sunday Night | 35°F | Clear | 0 mph | 0% |
| Monday | 64°F | Sunny | 0 to 5 mph SW | 0% |
| Monday Night | 40°F | Clear | 0 to 5 mph W | 0% |
| Tuesday | 64°F | Sunny | 0 to 5 mph NW | 0% |
| Tuesday Night | 41°F | Partly Cloudy | 0 mph | 1% |
Forecast source: National Weather Service (api.weather.gov) for Hillsboro (40.837, -91.711). Updated through the day.
Growing snapshot for Hillsboro
Last spring frost
Apr 30
First fall frost
Oct 10
Growing season
163 days
Hardiness zone
6a
More local growing data for Hillsboro: nearby ZIP 52630 weather · frost dates · planting calendar · Iowa frost dates
Nearby towns & communities
Argyle
Denmark
Donnellson
Farmington
Fort Madison
Franklin
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Keokuk
Montrose
Mooar
Oak Hills
Sandusky
St. Paul
West Point
Wever
Climate data from the nearest NOAA station, Mt Pleasant 1 Ssw, Ia (12 mi from Hillsboro). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.