Matherville, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Matherville, a village in Mercer County, Illinois.
Today
86°F
Mostly Sunny
Mostly sunny, with a high near 86. Southwest wind 5 to 10 mph.
7-day forecast for Matherville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Mostly Sunny | 5 to 10 mph SW | 3% |
| Tonight | 68°F | Chance Showers And Thunderstorms | 5 mph E | 53% |
| Wednesday | 80°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 mph NE | 78% |
| Wednesday Night | 63°F | Showers And Thunderstorms | 0 to 5 mph N | 81% |
| Thursday | 81°F | Showers And Thunderstorms Likely then Mostly Sunny | 0 to 5 mph NE | 59% |
| Thursday Night | 62°F | Mostly Clear | 0 to 5 mph NE | 11% |
| Friday | 83°F | Mostly Sunny | 0 to 5 mph S | 8% |
| Friday Night | 65°F | Mostly Clear | 0 to 5 mph S | 11% |
| Saturday | 86°F | Sunny | 5 to 10 mph S | 9% |
| Saturday Night | 71°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 15% |
| Sunday | 87°F | Slight Chance Showers And Thunderstorms then Sunny | 10 to 15 mph SW | 15% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 30% |
| Monday | 87°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 30% |
| Monday Night | 71°F | Slight Chance Showers And Thunderstorms | 10 mph S | 32% |
Forecast source: National Weather Service (api.weather.gov) for Matherville (41.259, -90.606). Updated through the day.
Growing snapshot for Matherville
Last spring frost
Apr 22
First fall frost
Oct 19
Growing season
181 days
Hardiness zone
5b
More local growing data for Matherville: nearby ZIP 61263 weather · frost dates · planting calendar · Illinois frost dates
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Sherrard
Viola
Windsor
Climate data from the nearest NOAA station, Aledo, Il (9.1 mi from Matherville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.