Fillmore, IN Weather & Growing Conditions
Overnight
66°F
Mostly Cloudy
Mostly cloudy. Low around 66, with temperatures rising to around 69 overnight. Southeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 66°F | Mostly Cloudy | 5 mph SE | 11% |
| Saturday | 88°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 7 mph S | 51% |
| Saturday Night | 69°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 6 mph S | 22% |
| Sunday | 85°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 3 to 8 mph WNW | 35% |
| Sunday Night | 60°F | Chance Showers And Thunderstorms | 12 mph NE | 54% |
| Monday | 70°F | Showers And Thunderstorms Likely | 14 mph ENE | 67% |
| Monday Night | 55°F | Chance Showers And Thunderstorms | 10 to 15 mph NE | 67% |
| Tuesday | 68°F | Chance Showers And Thunderstorms | 13 mph NE | 38% |
| Tuesday Night | 55°F | Chance Showers And Thunderstorms | 7 to 13 mph NNE | 33% |
| Wednesday | 69°F | Mostly Cloudy | 9 mph NNE | 12% |
| Wednesday Night | 55°F | Mostly Cloudy | 5 to 9 mph NNE | 8% |
| Thursday | 71°F | Partly Sunny | 6 to 9 mph N | 4% |
| Thursday Night | 55°F | Partly Cloudy | 5 to 9 mph NNE | 4% |
| Friday | 73°F | Mostly Sunny | 5 to 9 mph NNE | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Fillmore, IN
Last spring frost
Apr 27
First fall frost
Oct 15
Growing season
169 days
Hardiness zone
6a
Explore more for Fillmore, IN: full frost dates · planting calendar · Indiana frost dates
Climate data from the nearest NOAA station, Greencastle 1 W, In (7.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.