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Petal, MS Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Petal, a city in Forrest County, Mississippi.

Tonight
66°F
Mostly Cloudy then Areas Of Fog
Areas of fog after 2am. Mostly cloudy, with a low around 66. South southeast wind 0 to 5 mph.

7-day forecast for Petal

WhenTempForecastWindPrecip
Tonight 66°F Mostly Cloudy then Areas Of Fog 0 to 5 mph SSE 14%
Wednesday 82°F Areas Of Fog 0 to 5 mph WSW 44%
Wednesday Night 55°F Partly Cloudy then Patchy Fog 0 to 5 mph NNW 1%
Thursday 82°F Sunny 0 to 5 mph NW 5%
Thursday Night 55°F Partly Cloudy 0 mph 13%
Friday 80°F Mostly Sunny 0 to 5 mph NNW 7%
Friday Night 49°F Partly Cloudy 5 mph N 1%
Saturday 74°F Mostly Sunny 5 to 10 mph N 3%
Saturday Night 44°F Partly Cloudy 5 mph N 8%
Sunday 70°F Mostly Sunny 5 to 10 mph N 9%
Sunday Night 40°F Mostly Clear 5 mph N 3%
Monday 72°F Sunny 5 to 10 mph N 2%
Monday Night 40°F Mostly Clear 0 to 5 mph NNW 2%
Tuesday 75°F Sunny 0 to 5 mph ENE 3%

Forecast source: National Weather Service (api.weather.gov) for Petal (31.348, -89.235). Updated through the day.

Growing snapshot for Petal

Last spring frost
Mar 8
First fall frost
Nov 15
Growing season
252 days
Hardiness zone
8b

More local growing data for Petal: nearby ZIP 39465 weather · frost dates · planting calendar · Mississippi frost dates

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Climate data from the nearest NOAA station, Hattiesburg Chain Muni Ap, Ms (5.5 mi from Petal). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.