Weir, MS Weather & Growing Conditions
This Afternoon
98°F
Sunny
Sunny, with a high near 98. Heat index values as high as 105. Wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 98°F | Sunny | 0 mph | 4% |
| Tonight | 73°F | Mostly Clear | 0 mph | 4% |
| Sunday | 97°F | Mostly Sunny | 0 mph | 1% |
| Sunday Night | 71°F | Mostly Clear | 0 mph | 3% |
| Monday | 97°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 mph | 18% |
| Monday Night | 69°F | Slight Chance Showers And Thunderstorms | 0 mph | 24% |
| Tuesday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 18% |
| Tuesday Night | 67°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 mph | 18% |
| Wednesday | 90°F | Sunny | 0 to 5 mph N | 6% |
| Wednesday Night | 64°F | Mostly Clear | 0 to 5 mph NNE | 6% |
| Thursday | 87°F | Sunny | 0 to 5 mph NNE | 3% |
| Thursday Night | 62°F | Mostly Clear | 0 to 5 mph NNE | 3% |
| Friday | 86°F | Mostly Sunny | 0 to 5 mph NNE | 1% |
| Friday Night | 62°F | Partly Cloudy | 0 to 5 mph NE | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Weir, MS
Last spring frost
Mar 21
First fall frost
Nov 13
Growing season
235 days
Hardiness zone
8a
Explore more for Weir, MS: full frost dates · planting calendar · Mississippi frost dates
Climate data from the nearest NOAA station, Louisville, Ms (17.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.