McNary, LA Weather & Growing Conditions
This Afternoon
97°F
Sunny
Sunny, with a high near 97. Heat index values as high as 100. East wind 0 to 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 97°F | Sunny | 0 to 5 mph E | 0% |
| Tonight | 72°F | Clear | 0 mph | 1% |
| Sunday | 97°F | Sunny | 0 to 5 mph SE | 1% |
| Sunday Night | 73°F | Mostly Clear | 0 mph | 0% |
| Monday | 97°F | Sunny | 0 mph | 4% |
| Monday Night | 73°F | Mostly Clear | 0 mph | 4% |
| Tuesday | 97°F | Sunny | 0 to 5 mph N | 12% |
| Tuesday Night | 73°F | Mostly Clear | 0 mph | 12% |
| Wednesday | 96°F | Sunny | 0 to 5 mph NE | 0% |
| Wednesday Night | 70°F | Mostly Clear | 0 to 5 mph NE | 0% |
| Thursday | 93°F | Sunny | 5 mph NE | 0% |
| Thursday Night | 69°F | Mostly Clear | 0 to 5 mph NE | 0% |
| Friday | 92°F | Mostly Sunny | 5 mph NE | 0% |
| Friday Night | 68°F | Partly Cloudy | 0 to 5 mph NE | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for McNary, LA
Last spring frost
Mar 3
First fall frost
Nov 25
Growing season
268 days
Hardiness zone
9a
Explore more for McNary, LA: full frost dates · planting calendar · Louisiana frost dates
Climate data from the nearest NOAA station, Elizabeth, La (13.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.