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Dunkirk, IN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Dunkirk, a city in Jay County, Indiana.

Tonight
58°F
Mostly Cloudy
Mostly cloudy. Low around 58, with temperatures rising to around 63 overnight. East wind around 7 mph.

7-day forecast for Dunkirk

WhenTempForecastWindPrecip
Tonight 58°F Mostly Cloudy 7 mph E 4%
Saturday 82°F Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 7 mph SE 60%
Saturday Night 67°F Chance Showers And Thunderstorms 6 mph S 61%
Sunday 81°F Showers And Thunderstorms Likely 3 to 9 mph WNW 65%
Sunday Night 57°F Showers And Thunderstorms Likely 9 to 13 mph NE 65%
Monday 68°F Showers And Thunderstorms Likely 10 to 15 mph ENE 63%
Monday Night 53°F Chance Showers And Thunderstorms 10 to 16 mph NE 44%
Tuesday 68°F Chance Showers And Thunderstorms 14 mph NE 34%
Tuesday Night 54°F Slight Chance Rain Showers 7 to 14 mph NE 19%
Wednesday 68°F Slight Chance Rain Showers then Mostly Cloudy 9 mph NNE 16%
Wednesday Night 54°F Mostly Cloudy 5 to 9 mph NNE 14%
Thursday 70°F Partly Sunny 5 to 8 mph NNE 9%
Thursday Night 53°F Mostly Cloudy 3 to 7 mph NNE 9%
Friday 70°F Partly Sunny 3 to 8 mph NNE 4%

Forecast source: National Weather Service (api.weather.gov) for Dunkirk (40.374, -85.208). Updated through the day.

Growing snapshot for Dunkirk

Last spring frost
Apr 22
First fall frost
Oct 22
Growing season
181 days
Hardiness zone
6a

More local growing data for Dunkirk: nearby ZIP 47336 weather · frost dates · planting calendar · Indiana frost dates

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Climate data from the nearest NOAA station, Hartford City 4 Ese, In (4.8 mi from Dunkirk). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.