Dayton, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dayton, a town in Tippecanoe County, Indiana.
This Afternoon
68°F
Mostly Cloudy
Mostly cloudy. High near 68, with temperatures falling to around 61 in the afternoon. West southwest wind around 13 mph, with gusts as high as 20 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Dayton
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Mostly Cloudy | 13 mph WSW | 7% |
| Tonight | 47°F | Cloudy | 7 to 12 mph SW | 6% |
| Thursday | 60°F | Mostly Cloudy | 9 to 16 mph SW | 4% |
| Thursday Night | 41°F | Chance Light Rain | 3 to 9 mph WNW | 41% |
| Friday | 53°F | Slight Chance Light Rain | 7 to 12 mph NNW | 16% |
| Friday Night | 33°F | Partly Cloudy | 3 to 10 mph NW | 8% |
| Saturday | 53°F | Mostly Sunny | 3 to 7 mph NW | 1% |
| Saturday Night | 29°F | Mostly Clear | 0 to 5 mph WNW | 0% |
| Sunday | 59°F | Sunny | 2 to 9 mph W | 0% |
| Sunday Night | 31°F | Mostly Clear | 2 to 6 mph W | 0% |
| Monday | 62°F | Sunny | 1 to 9 mph WSW | 0% |
| Monday Night | 36°F | Clear | 7 mph SW | 0% |
| Tuesday | 64°F | Sunny | 6 mph W | 1% |
| Tuesday Night | 35°F | Mostly Clear | 1 to 5 mph NW | 2% |
Forecast source: National Weather Service (api.weather.gov) for Dayton (40.375, -86.774). Updated through the day.
Growing snapshot for Dayton
Last spring frost
Apr 20
First fall frost
Oct 20
Growing season
182 days
Hardiness zone
6a
More local growing data for Dayton: nearby ZIP 47941 weather · frost dates · planting calendar · Indiana frost dates
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Climate data from the nearest NOAA station, Lafayette 8 S, In (8.8 mi from Dayton). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.