Harman US

Chelsea, OK Weather & Growing Conditions

This Afternoon
67°F
Patchy Drizzle
Patchy drizzle and a slight chance of rain showers before 5pm. Mostly cloudy. High near 67, with temperatures falling to around 59 in the afternoon. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 67°F Patchy Drizzle 15 mph NW 19%
Tonight 46°F Mostly Cloudy 5 to 15 mph NW 2%
Wednesday 65°F Sunny 5 to 10 mph W 0%
Wednesday Night 42°F Clear 0 mph 0%
Thursday 62°F Mostly Sunny then Rain Showers Likely 0 to 5 mph NW 56%
Thursday Night 40°F Chance Rain Showers then Partly Cloudy 0 to 5 mph N 25%
Friday 59°F Mostly Sunny 5 mph N 0%
Friday Night 39°F Partly Cloudy 0 to 5 mph N 0%
Saturday 60°F Partly Sunny 0 to 5 mph N 1%
Saturday Night 39°F Mostly Clear 0 mph 5%
Sunday 65°F Sunny 0 to 5 mph W 3%
Sunday Night 39°F Clear 0 mph 0%
Monday 67°F Sunny 0 to 10 mph S 0%
Monday Night 43°F Mostly Clear 0 to 5 mph S 1%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Chelsea, OK

Last spring frost
Apr 4
First fall frost
Nov 1
Growing season
210 days
Hardiness zone
7a

Explore more for Chelsea, OK: full frost dates · planting calendar · Oklahoma frost dates

Climate data from the nearest NOAA station, Nowata, Ok (14.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.