Harman US

Collinsville, OK Weather & Growing Conditions

Overnight
49°F
Partly Cloudy
Partly cloudy, with a low around 49. West wind around 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 49°F Partly Cloudy 5 mph W 1%
Wednesday 68°F Sunny 5 to 10 mph W 0%
Wednesday Night 46°F Mostly Clear 0 to 5 mph S 0%
Thursday 63°F Mostly Sunny then Chance Rain Showers 0 to 10 mph N 44%
Thursday Night 44°F Partly Cloudy 5 mph N 13%
Friday 60°F Mostly Sunny 5 to 10 mph N 0%
Friday Night 42°F Mostly Cloudy 0 to 5 mph N 0%
Saturday 60°F Mostly Sunny 0 to 5 mph NE 0%
Saturday Night 39°F Partly Cloudy 0 mph 1%
Sunday 64°F Sunny 0 to 5 mph N 0%
Sunday Night 40°F Clear 0 mph 0%
Monday 68°F Sunny 0 to 5 mph S 0%
Monday Night 43°F Mostly Clear 0 to 5 mph S 1%
Tuesday 70°F Sunny 0 to 5 mph S 2%

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

Growing snapshot for Collinsville, OK

Last spring frost
Mar 31
First fall frost
Nov 4
Growing season
220 days
Hardiness zone
7a

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

Climate data from the nearest NOAA station, Tulsa Intl Ap, Ok (12.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.