Folsom, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Folsom, a village in St. Tammany County, Louisiana.
This Afternoon
83°F
Partly Sunny
Partly sunny. High near 83, with temperatures falling to around 75 in the afternoon. Southeast wind 5 to 10 mph.
7-day forecast for Folsom
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 83°F | Partly Sunny | 5 to 10 mph SE | 9% |
| Tonight | 66°F | Mostly Cloudy then Patchy Fog | 0 to 5 mph S | 13% |
| Wednesday | 82°F | Patchy Fog | 0 to 5 mph W | 18% |
| Wednesday Night | 55°F | Mostly Clear | 0 mph | 2% |
| Thursday | 82°F | Sunny | 0 mph | 6% |
| Thursday Night | 56°F | Slight Chance Rain Showers | 0 mph | 24% |
| Friday | 81°F | Slight Chance Rain Showers then Mostly Sunny | 0 to 5 mph N | 21% |
| Friday Night | 51°F | Partly Cloudy | 5 mph N | 3% |
| Saturday | 76°F | Mostly Sunny | 5 mph N | 3% |
| Saturday Night | 46°F | Partly Cloudy | 5 mph N | 10% |
| Sunday | 70°F | Mostly Sunny | 5 to 10 mph N | 10% |
| Sunday Night | 42°F | Mostly Clear | 5 mph N | 4% |
| Monday | 73°F | Sunny | 5 to 10 mph N | 3% |
| Monday Night | 42°F | Mostly Clear | 0 mph | 2% |
Forecast source: National Weather Service (api.weather.gov) for Folsom (30.632, -90.196). Updated through the day.
Growing snapshot for Folsom
Last spring frost
Mar 12
First fall frost
Nov 18
Growing season
253 days
Hardiness zone
9a
More local growing data for Folsom: nearby ZIP 70437 weather · frost dates · planting calendar · Louisiana frost dates
Nearby towns & communities
Abita Springs
Covington
Eden Isle
Lacombe
Lewisburg
Madisonville
Mandeville
Pearl River
Rio
Slidell
Sun
Climate data from the nearest NOAA station, Covington 4 Nnw, La (8.6 mi from Folsom). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.