Fillmore, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fillmore, a village in Montgomery County, Illinois.
Tonight
55°F
Rain
Rain. Mostly cloudy, with a low around 55. South wind 9 to 15 mph, with gusts as high as 29 mph. Chance of precipitation is 90%.
7-day forecast for Fillmore
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Rain | 9 to 15 mph S | 91% |
| Wednesday | 62°F | Slight Chance Light Rain then Mostly Cloudy | 7 to 12 mph SW | 17% |
| Wednesday Night | 42°F | Partly Cloudy | 6 mph SW | 1% |
| Thursday | 62°F | Sunny | 6 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% |
| Tuesday | 67°F | Sunny | 6 mph W | 1% |
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.