Fillmore, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fillmore, a village in Montgomery County, Illinois.
Overnight
64°F
Clear
Clear, with a low around 64. North wind around 1 mph.
7-day forecast for Fillmore
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 64°F | Clear | 1 mph N | 0% |
| Tuesday | 85°F | Sunny | 2 mph S | 0% |
| Tuesday Night | 64°F | Mostly Clear | 2 mph SE | 0% |
| Wednesday | 87°F | Sunny | 1 to 5 mph S | 7% |
| Wednesday Night | 68°F | Slight Chance Showers And Thunderstorms | 3 mph S | 61% |
| Thursday | 83°F | Showers And Thunderstorms | 5 mph SW | 75% |
| Thursday Night | 66°F | Chance Showers And Thunderstorms | 0 to 3 mph S | 42% |
| Friday | 84°F | Chance Showers And Thunderstorms then Partly Sunny | 3 mph SW | 34% |
| Friday Night | 67°F | Chance Showers And Thunderstorms | 2 mph SW | 25% |
| Saturday | 86°F | Chance Showers And Thunderstorms | 3 mph S | 25% |
| Saturday Night | 70°F | Mostly Clear | 5 mph S | 13% |
| Sunday | 88°F | Sunny | 5 to 9 mph SW | 7% |
| Sunday Night | 72°F | Mostly Clear | 8 mph S | 5% |
| Monday | 90°F | Mostly Sunny | 8 mph SW | 8% |
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 Aug 4, 2026.