Harman US

Union City, OK Weather & Growing Conditions

Today
100°F
Sunny
Sunny, with a high near 100. Heat index values as high as 102. South southwest wind around 16 mph, with gusts as high as 24 mph.

7-day forecast

WhenTempForecastWindPrecip
Today 100°F Sunny 16 mph SSW 4%
Tonight 74°F Partly Cloudy then Slight Chance Showers And Thunderstorms 14 mph S 18%
Sunday 96°F Slight Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 12 mph S 69%
Sunday Night 65°F Showers And Thunderstorms Likely then Chance Showers And Thunderstorms 8 mph NE 69%
Monday 86°F Slight Chance Showers And Thunderstorms then Mostly Sunny 8 to 13 mph NNE 22%
Monday Night 61°F Partly Cloudy then Slight Chance Showers And Thunderstorms 8 to 13 mph NE 21%
Tuesday 81°F Slight Chance Showers And Thunderstorms then Mostly Sunny 8 to 12 mph NE 21%
Tuesday Night 57°F Partly Cloudy 7 to 12 mph NE 5%
Wednesday 84°F Mostly Sunny 8 mph ENE 12%
Wednesday Night 60°F Partly Cloudy 5 to 8 mph E 8%
Thursday 86°F Slight Chance Rain Showers 5 to 8 mph SE 24%
Thursday Night 63°F Mostly Cloudy 5 to 8 mph ESE 13%
Friday 88°F Slight Chance Rain Showers 5 to 8 mph SE 16%
Friday Night 64°F Slight Chance Rain Showers 8 mph ESE 16%

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.