Brimfield, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brimfield, a village in Peoria County, Illinois.
Tonight
68°F
Partly Cloudy then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 68. East southeast wind around 9 mph, with gusts as high as 18 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Brimfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 68°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 9 mph ESE | 19% |
| Saturday | 85°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 8 mph S | 27% |
| Saturday Night | 67°F | Chance Showers And Thunderstorms | 5 to 8 mph NNE | 66% |
| Sunday | 75°F | Showers And Thunderstorms | 5 to 14 mph NE | 75% |
| Sunday Night | 58°F | Showers And Thunderstorms Likely | 12 to 15 mph NE | 70% |
| Monday | 66°F | Showers And Thunderstorms Likely | 16 mph ENE | 70% |
| Monday Night | 54°F | Chance Rain Showers | 12 to 15 mph NE | 42% |
| Tuesday | 65°F | Chance Rain Showers | 14 mph NE | 30% |
| Tuesday Night | 51°F | Mostly Cloudy | 5 to 12 mph NNE | 5% |
| Wednesday | 68°F | Partly Sunny | 9 mph NNE | 3% |
| Wednesday Night | 53°F | Partly Cloudy | 2 to 7 mph NNE | 3% |
| Thursday | 69°F | Mostly Sunny | 2 to 6 mph NNE | 3% |
| Thursday Night | 55°F | Partly Cloudy | 1 to 5 mph NE | 4% |
| Friday | 72°F | Mostly Sunny | 2 to 7 mph NE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Brimfield (40.837, -89.881). Updated through the day.
Growing snapshot for Brimfield
Last spring frost
Apr 22
First fall frost
Oct 14
Growing season
174 days
Hardiness zone
5b
More local growing data for Brimfield: nearby ZIP 61517 weather · frost dates · planting calendar · Illinois frost dates
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West Peoria
Climate data from the nearest NOAA station, Princeville, Il (8.9 mi from Brimfield). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.