Brimfield, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Brimfield, a village in Peoria County, Illinois.
This Afternoon
68°F
Light Rain
Rain and a slight chance of thunderstorms. Cloudy, with a high near 68. South southeast wind around 18 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Brimfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Light Rain | 18 mph SSE | 90% |
| Tonight | 53°F | Light Rain | 12 to 17 mph S | 79% |
| Wednesday | 57°F | Slight Chance Light Rain then Mostly Cloudy | 16 mph SW | 20% |
| Wednesday Night | 45°F | Mostly Cloudy | 9 to 13 mph SW | 7% |
| Thursday | 57°F | Mostly Cloudy then Slight Chance Light Rain | 8 to 14 mph WSW | 17% |
| Thursday Night | 42°F | Chance Light Rain | 7 mph NW | 29% |
| Friday | 53°F | Slight Chance Light Rain | 10 mph N | 17% |
| Friday Night | 35°F | Partly Cloudy | 0 to 7 mph NNW | 3% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph WNW | 3% |
| Saturday Night | 34°F | Partly Cloudy | 2 mph W | 3% |
| Sunday | 58°F | Sunny | 3 to 8 mph W | 13% |
| Sunday Night | 35°F | Mostly Clear | 5 mph W | 3% |
| Monday | 63°F | Sunny | 2 to 10 mph SW | 2% |
| Monday Night | 40°F | Mostly Clear | 3 to 7 mph W | 1% |
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 Nov 3, 2026.