Fillmore, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fillmore, a village in Montgomery County, Illinois.
Tonight
69°F
Partly Cloudy
Partly cloudy, with a low around 69. Southeast wind around 8 mph.
7-day forecast for Fillmore
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 69°F | Partly Cloudy | 8 mph SE | 13% |
| Saturday | 95°F | Mostly Sunny | 6 mph SW | 7% |
| Saturday Night | 70°F | Mostly Cloudy | 3 mph S | 7% |
| Sunday | 91°F | Chance Rain Showers | 2 to 6 mph NW | 26% |
| Sunday Night | 63°F | Chance Showers And Thunderstorms | 8 mph NE | 54% |
| Monday | 77°F | Rain Showers Likely | 6 to 10 mph NE | 60% |
| Monday Night | 56°F | Showers And Thunderstorms Likely | 6 to 12 mph NE | 58% |
| Tuesday | 71°F | Chance Rain Showers then Partly Sunny | 10 mph NE | 28% |
| Tuesday Night | 52°F | Mostly Cloudy | 5 to 10 mph N | 4% |
| Wednesday | 73°F | Mostly Sunny | 6 to 9 mph N | 3% |
| Wednesday Night | 53°F | Partly Cloudy | 2 to 8 mph N | 3% |
| Thursday | 75°F | Mostly Sunny | 2 to 8 mph N | 3% |
| Thursday Night | 55°F | Partly Cloudy | 2 to 7 mph N | 4% |
| Friday | 76°F | Mostly Sunny | 2 to 7 mph NE | 4% |
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 Sep 19, 2026.