Berwick, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Berwick, a town in St. Mary County, Louisiana.
This Afternoon
79°F
Sunny
Sunny, with a high near 79. Northwest wind around 5 mph.
7-day forecast for Berwick
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 79°F | Sunny | 5 mph NW | 0% |
| Tonight | 58°F | Mostly Clear | 0 to 5 mph N | 0% |
| Thursday | 80°F | Sunny | 0 mph | 0% |
| Thursday Night | 60°F | Mostly Clear | 0 mph | 3% |
| Friday | 79°F | Mostly Sunny | 0 to 5 mph N | 5% |
| Friday Night | 59°F | Mostly Clear | 0 to 5 mph N | 1% |
| Saturday | 76°F | Mostly Sunny | 5 to 10 mph NE | 1% |
| Saturday Night | 52°F | Mostly Cloudy | 5 to 10 mph NE | 2% |
| Sunday | 68°F | Slight Chance Rain Showers then Partly Sunny | 5 to 10 mph NE | 15% |
| Sunday Night | 49°F | Mostly Cloudy | 5 mph N | 3% |
| Monday | 71°F | Mostly Sunny | 5 mph N | 4% |
| Monday Night | 50°F | Partly Cloudy | 0 mph | 5% |
| Tuesday | 74°F | Mostly Sunny | 0 to 5 mph N | 9% |
| Tuesday Night | 53°F | Partly Cloudy | 0 mph | 6% |
Forecast source: National Weather Service (api.weather.gov) for Berwick (29.701, -91.235). Updated through the day.
Growing snapshot for Berwick
Last spring frost
Jan 30
First fall frost
Jan 1
Growing season
335 days
Hardiness zone
9b
More local growing data for Berwick: nearby ZIP 70342 weather · frost dates · planting calendar · Louisiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Morgan City, La (3.8 mi from Berwick). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.