Union City, IN Weather & Growing Conditions
Today
82°F
Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
A slight chance of showers and thunderstorms between 11am and noon, then showers and thunderstorms likely. Mostly cloudy. High near 82, with temperatures falling to around 78 in the afternoon. South southeast wind around 8 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 8 mph SSE | 69% |
| Tonight | 66°F | Chance Showers And Thunderstorms | 7 mph S | 53% |
| Sunday | 80°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 5 to 10 mph WNW | 66% |
| Sunday Night | 56°F | Showers And Thunderstorms Likely | 14 mph NE | 73% |
| Monday | 67°F | Rain Showers Likely | 12 to 15 mph NE | 55% |
| Monday Night | 52°F | Chance Rain Showers | 10 to 16 mph NE | 47% |
| Tuesday | 67°F | Slight Chance Rain Showers | 14 mph NE | 19% |
| Tuesday Night | 53°F | Chance Showers And Thunderstorms | 8 to 15 mph NE | 32% |
| Wednesday | 67°F | Chance Rain Showers | 9 mph NE | 35% |
| Wednesday Night | 53°F | Chance Rain Showers | 6 to 10 mph NNE | 34% |
| Thursday | 68°F | Mostly Cloudy | 6 to 9 mph NNE | 10% |
| Thursday Night | 52°F | Mostly Cloudy | 5 to 9 mph NNE | 10% |
| Friday | 70°F | Mostly Sunny | 6 to 10 mph NNE | 6% |
| Friday Night | 50°F | Partly Cloudy | 5 to 10 mph NE | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Union City, IN
Last spring frost
Apr 20
First fall frost
Oct 21
Growing season
183 days
Hardiness zone
6a
Explore more for Union City, IN: full frost dates · planting calendar · Indiana frost dates
Climate data from the nearest NOAA station, Winchester Airport 3 E, In (4.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.