Harman US

Harvey, LA Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Harvey, a community in Jefferson County, Louisiana.

This Afternoon
81°F
Mostly Sunny
Mostly sunny. High near 81, with temperatures falling to around 76 in the afternoon. Southeast wind around 5 mph.

7-day forecast for Harvey

WhenTempForecastWindPrecip
This Afternoon 81°F Mostly Sunny 5 mph SE 3%
Tonight 69°F Mostly Cloudy then Patchy Fog 0 to 5 mph S 7%
Wednesday 80°F Chance Rain Showers 0 to 5 mph W 29%
Wednesday Night 64°F Partly Cloudy 0 mph 3%
Thursday 79°F Sunny 0 to 5 mph W 13%
Thursday Night 64°F Chance Rain Showers 0 to 5 mph SW 31%
Friday 77°F Chance Rain Showers 5 mph NW 39%
Friday Night 59°F Partly Cloudy 0 to 10 mph N 10%
Saturday 73°F Mostly Sunny 5 to 10 mph N 8%
Saturday Night 54°F Partly Cloudy then Slight Chance Rain Showers 5 to 10 mph N 15%
Sunday 68°F Slight Chance Rain Showers then Mostly Sunny 5 to 10 mph N 15%
Sunday Night 52°F Mostly Clear 5 to 10 mph N 4%
Monday 69°F Sunny 5 to 10 mph N 4%
Monday Night 52°F Mostly Clear 0 to 5 mph NE 2%

Forecast source: National Weather Service (api.weather.gov) for Harvey (29.889, -90.066). Updated through the day.

Growing snapshot for Harvey

Last spring frost
Feb 1
First fall frost
Dec 31
Growing season
330 days
Hardiness zone
9b

More local growing data for Harvey: nearby ZIP 70058 weather · frost dates · planting calendar · Louisiana frost dates

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Climate data from the nearest NOAA station, Terrytown 3S, La (3.4 mi from Harvey). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.