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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
Nearby towns & communities
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.