Hillsboro, MO Weather & Growing Conditions
Overnight
71°F
Mostly Clear
Mostly clear. Low around 71, with temperatures rising to around 75 overnight. South wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 71°F | Mostly Clear | 3 mph S | 3% |
| Saturday | 98°F | Mostly Sunny | 5 mph SW | 4% |
| Saturday Night | 72°F | Partly Cloudy | 3 mph SW | 4% |
| Sunday | 93°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 3 mph W | 25% |
| Sunday Night | 66°F | Showers And Thunderstorms Likely | 3 mph NE | 63% |
| Monday | 79°F | Showers And Thunderstorms Likely | 5 mph N | 69% |
| Monday Night | 58°F | Showers And Thunderstorms Likely | 6 mph N | 68% |
| Tuesday | 71°F | Slight Chance Rain Showers then Partly Sunny | 6 mph N | 23% |
| Tuesday Night | 53°F | Mostly Cloudy | 2 to 6 mph N | 7% |
| Wednesday | 73°F | Mostly Sunny | 5 mph N | 2% |
| Wednesday Night | 53°F | Partly Cloudy | 3 mph N | 1% |
| Thursday | 76°F | Mostly Sunny | 1 to 5 mph N | 3% |
| Thursday Night | 55°F | Mostly Cloudy | 3 mph NE | 4% |
| Friday | 76°F | Partly Sunny | 1 to 5 mph NE | 9% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Hillsboro, MO
Last spring frost
Apr 9
First fall frost
Oct 26
Growing season
197 days
Hardiness zone
6b
Explore more for Hillsboro, MO: full frost dates · planting calendar · Missouri frost dates
Climate data from the nearest NOAA station, Festus, Mo (10 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.