Hillsboro, MO Weather & Growing Conditions
Tonight
55°F
Light Rain Likely
Rain likely before 1am, then a slight chance of drizzle between 1am and 4am. Cloudy, with a low around 55. Southwest wind 6 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Light Rain Likely | 6 to 9 mph SW | 66% |
| Wednesday | 64°F | Mostly Cloudy | 5 to 8 mph W | 3% |
| Wednesday Night | 39°F | Partly Cloudy | 3 mph SW | 0% |
| Thursday | 67°F | Sunny | 6 mph W | 3% |
| Thursday Night | 40°F | Mostly Cloudy | 3 mph NW | 13% |
| Friday | 58°F | Partly Sunny | 6 mph NW | 4% |
| Friday Night | 35°F | Mostly Cloudy | 3 mph NW | 3% |
| Saturday | 57°F | Partly Sunny | 2 mph NW | 0% |
| Saturday Night | 32°F | Partly Cloudy | 2 mph NW | 1% |
| Sunday | 63°F | Sunny | 5 mph W | 7% |
| Sunday Night | 32°F | Mostly Clear | 3 mph W | 5% |
| Monday | 68°F | Sunny | 5 mph SW | 1% |
| Monday Night | 37°F | Mostly Clear | 3 mph SW | 1% |
| Tuesday | 70°F | Sunny | 3 mph W | 1% |
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 Nov 4, 2026.