Dunkirk, IN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dunkirk, a city in Jay County, Indiana.
Overnight
55°F
Clear
Clear. Low around 55, with temperatures rising to around 58 overnight. South southeast wind around 2 mph.
7-day forecast for Dunkirk
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 55°F | Clear | 2 mph SSE | 0% |
| Tuesday | 81°F | Sunny | 1 mph E | 0% |
| Tuesday Night | 59°F | Mostly Clear | 0 mph | 0% |
| Wednesday | 83°F | Sunny | 2 mph W | 0% |
| Wednesday Night | 64°F | Partly Cloudy | 2 mph SW | 5% |
| Thursday | 82°F | Partly Sunny then Showers And Thunderstorms Likely | 2 to 7 mph SW | 56% |
| Thursday Night | 65°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 1 to 5 mph SW | 60% |
| Friday | 81°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 1 to 6 mph SSW | 60% |
| Friday Night | 65°F | Chance Showers And Thunderstorms | 3 mph SW | 47% |
| Saturday | 82°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 6 mph SW | 15% |
| Saturday Night | 66°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SW | 15% |
| Sunday | 84°F | Mostly Sunny | 5 to 10 mph SW | 12% |
| Sunday Night | 69°F | Partly Cloudy then Slight Chance Rain Showers | 8 mph SW | 16% |
| Monday | 85°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 10 mph SW | 23% |
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 Aug 4, 2026.