Union City, OK Weather & Growing Conditions
Tonight
74°F
Mostly Clear
Mostly clear, with a low around 74. South wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 74°F | Mostly Clear | 10 mph S | 0% |
| Saturday | 100°F | Sunny | 10 to 16 mph SSW | 1% |
| Saturday Night | 74°F | Slight Chance Showers And Thunderstorms | 14 mph S | 23% |
| Sunday | 97°F | Slight Chance Showers And Thunderstorms then Showers And Thunderstorms | 13 mph S | 78% |
| Sunday Night | 65°F | Showers And Thunderstorms | 5 to 12 mph ENE | 78% |
| Monday | 87°F | Slight Chance Showers And Thunderstorms | 8 to 12 mph NNE | 18% |
| Monday Night | 62°F | Partly Cloudy then Slight Chance Rain Showers | 8 to 12 mph NNE | 15% |
| Tuesday | 83°F | Slight Chance Rain Showers | 12 mph NE | 16% |
| Tuesday Night | 60°F | Partly Cloudy | 7 to 12 mph ENE | 5% |
| Wednesday | 85°F | Mostly Sunny | 8 mph ENE | 14% |
| Wednesday Night | 62°F | Partly Cloudy | 5 to 8 mph ENE | 10% |
| Thursday | 87°F | Chance Rain Showers | 5 to 8 mph E | 26% |
| Thursday Night | 64°F | Partly Cloudy then Slight Chance Rain Showers | 5 to 8 mph E | 16% |
| Friday | 87°F | Slight Chance Rain Showers | 5 to 9 mph SSE | 17% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Union City, OK
Last spring frost
Apr 3
First fall frost
Nov 5
Growing season
216 days
Hardiness zone
7b
Explore more for Union City, OK: full frost dates · planting calendar · Oklahoma frost dates
Climate data from the nearest NOAA station, Minco 2Ssw Mesonet, Ok (8.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.