Westfield, IL Weather & Growing Conditions
Today
91°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms between 11am and 4pm. Mostly sunny, with a high near 91. Southwest wind around 8 mph. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 91°F | Chance Showers And Thunderstorms | 8 mph SW | 40% |
| Tonight | 70°F | Mostly Cloudy | 3 to 7 mph S | 9% |
| Sunday | 86°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph NNW | 36% |
| Sunday Night | 61°F | Chance Showers And Thunderstorms | 13 mph NE | 61% |
| Monday | 72°F | Showers And Thunderstorms Likely | 14 mph NE | 68% |
| Monday Night | 55°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 12 to 16 mph NE | 49% |
| Tuesday | 68°F | Slight Chance Showers And Thunderstorms | 14 mph NNE | 28% |
| Tuesday Night | 53°F | Chance Showers And Thunderstorms then Mostly Cloudy | 8 to 14 mph NNE | 28% |
| Wednesday | 70°F | Mostly Sunny | 10 mph NNE | 7% |
| Wednesday Night | 54°F | Partly Cloudy | 6 to 9 mph N | 4% |
| Thursday | 71°F | Mostly Sunny | 9 mph N | 2% |
| Thursday Night | 55°F | Partly Cloudy | 5 to 8 mph NNE | 4% |
| Friday | 74°F | Mostly Sunny | 9 mph NNE | 2% |
| Friday Night | 54°F | Mostly Clear | 8 mph NE | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Westfield, IL
Last spring frost
Apr 15
First fall frost
Oct 23
Growing season
187 days
Hardiness zone
6a
Explore more for Westfield, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Charleston, Il (7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.