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St. Joe, AR Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for St. Joe, a town in Searcy County, Arkansas.

Today
99°F
Sunny
Sunny, with a high near 99. Heat index values as high as 98. Southwest wind 5 to 10 mph.

7-day forecast for St. Joe

WhenTempForecastWindPrecip
Today 99°F Sunny 5 to 10 mph SW 0%
Tonight 70°F Mostly Clear 0 to 5 mph SW 0%
Sunday 99°F Mostly Sunny 0 to 5 mph WSW 0%
Sunday Night 69°F Mostly Cloudy then Chance Showers And Thunderstorms 0 to 5 mph WSW 35%
Monday 90°F Chance Showers And Thunderstorms 0 to 5 mph NNW 50%
Monday Night 64°F Chance Showers And Thunderstorms 0 to 5 mph N 50%
Tuesday 82°F Slight Chance Rain Showers then Partly Sunny 5 mph N 17%
Tuesday Night 57°F Partly Cloudy 0 to 5 mph NNE 5%
Wednesday 82°F Sunny 0 to 5 mph NNE 1%
Wednesday Night 55°F Mostly Clear 0 to 5 mph NE 1%
Thursday 83°F Mostly Sunny 0 to 5 mph NE 2%
Thursday Night 57°F Partly Cloudy 0 mph 3%
Friday 83°F Mostly Sunny 0 to 5 mph ENE 7%
Friday Night 58°F Mostly Cloudy 0 mph 7%

Forecast source: National Weather Service (api.weather.gov) for St. Joe (36.026, -92.801). Updated through the day.

Growing snapshot for St. Joe

Last spring frost
Apr 14
First fall frost
Oct 22
Growing season
189 days
Hardiness zone
7b

More local growing data for St. Joe: nearby ZIP 72675 weather · frost dates · planting calendar · Arkansas frost dates

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Climate data from the nearest NOAA station, Gilbert, Ar (4.8 mi from St. Joe). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.