Fillmore, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fillmore, a village in Montgomery County, Illinois.
This Afternoon
72°F
Rain Likely
Rain likely and a slight chance of thunderstorms. Cloudy. High near 72, with temperatures falling to around 68 in the afternoon. Southeast wind around 14 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
7-day forecast for Fillmore
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Rain Likely | 14 mph SE | 68% |
| Tonight | 54°F | Rain | 9 to 16 mph S | 94% |
| Wednesday | 62°F | Chance Rain Showers then Mostly Cloudy | 7 to 13 mph SW | 13% |
| Wednesday Night | 41°F | Partly Cloudy | 6 mph SW | 0% |
| Thursday | 64°F | Sunny | 5 to 12 mph W | 0% |
| Thursday Night | 41°F | Mostly Cloudy | 5 mph NW | 7% |
| Friday | 57°F | Partly Sunny | 5 to 9 mph NW | 8% |
| Friday Night | 36°F | Partly Cloudy | 1 to 6 mph N | 3% |
| Saturday | 55°F | Mostly Sunny | 3 mph NW | 1% |
| Saturday Night | 33°F | Partly Cloudy | 1 mph NW | 1% |
| Sunday | 60°F | Sunny | 1 to 6 mph W | 6% |
| Sunday Night | 33°F | Mostly Clear | 3 mph W | 4% |
| Monday | 63°F | Sunny | 2 to 8 mph SW | 2% |
| Monday Night | 37°F | Mostly Clear | 3 mph SW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Fillmore (39.115, -89.279). Updated through the day.
Growing snapshot for Fillmore
Last spring frost
Apr 15
First fall frost
Oct 19
Growing season
185 days
Hardiness zone
6b
More local growing data for Fillmore: nearby ZIP 62032 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Ramsey, Il (10.2 mi from Fillmore). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.