Dayton, IN Weather & Growing Conditions
Today
82°F
Patchy Fog then Sunny
Patchy fog before 9am. Sunny, with a high near 82. South wind around 2 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Patchy Fog then Sunny | 2 mph S | 0% |
| Tonight | 60°F | Mostly Clear | 2 mph SSE | 0% |
| Wednesday | 83°F | Sunny | 3 mph SW | 0% |
| Wednesday Night | 65°F | Partly Cloudy then Scattered Showers And Thunderstorms | 3 mph S | 40% |
| Thursday | 81°F | Chance Showers And Thunderstorms | 2 to 6 mph S | 71% |
| Thursday Night | 64°F | Chance Showers And Thunderstorms then Scattered Showers And Thunderstorms | 0 to 5 mph SSW | 71% |
| Friday | 82°F | Scattered Showers And Thunderstorms | 3 mph SW | 30% |
| Friday Night | 64°F | Scattered Showers And Thunderstorms | 3 mph SSW | 30% |
| Saturday | 83°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 1 to 5 mph SSW | 15% |
| Saturday Night | 67°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 6 mph SSW | 15% |
| Sunday | 85°F | Mostly Sunny | 6 to 12 mph SW | 10% |
| Sunday Night | 70°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 8 to 12 mph SSW | 19% |
| Monday | 85°F | Slight Chance Showers And Thunderstorms | 10 mph SW | 21% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 9 mph SW | 35% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Dayton, IN
Last spring frost
Apr 20
First fall frost
Oct 20
Growing season
182 days
Hardiness zone
6a
Explore more for Dayton, IN: full frost dates · planting calendar · Indiana frost dates
Climate data from the nearest NOAA station, Lafayette 8 S, In (8.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.