Prospect, LA Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Prospect, a community in Grant County, Louisiana.
This Afternoon
97°F
Sunny
Sunny, with a high near 97. East wind around 5 mph.
7-day forecast for Prospect
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 97°F | Sunny | 5 mph E | 0% |
| Tonight | 70°F | Clear | 0 to 5 mph SE | 0% |
| Saturday | 99°F | Sunny | 0 to 5 mph E | 1% |
| Saturday Night | 72°F | Clear | 0 to 5 mph S | 1% |
| Sunday | 98°F | Sunny | 0 to 5 mph SW | 1% |
| Sunday Night | 74°F | Mostly Clear | 0 mph | 1% |
| Monday | 99°F | Mostly Sunny | 0 to 5 mph NW | 7% |
| Monday Night | 73°F | Partly Cloudy | 0 mph | 7% |
| Tuesday | 99°F | Sunny | 0 to 5 mph N | 10% |
| Tuesday Night | 74°F | Mostly Clear | 0 to 5 mph NE | 10% |
| Wednesday | 97°F | Sunny | 5 to 10 mph NE | 3% |
| Wednesday Night | 72°F | Mostly Clear | 5 mph NE | 3% |
| Thursday | 94°F | Sunny | 5 to 10 mph NE | 1% |
| Thursday Night | 70°F | Mostly Clear | 5 mph NE | 0% |
Forecast source: National Weather Service (api.weather.gov) for Prospect (31.446, -92.496). Updated through the day.
Growing snapshot for Prospect
Last spring frost
Mar 2
First fall frost
Nov 17
Growing season
260 days
Hardiness zone
9a
More local growing data for Prospect: nearby ZIP 71407 weather · frost dates · planting calendar · Louisiana frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Alexandria Intl Ap, La (13.3 mi from Prospect). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.