Glen Allan, MS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Glen Allan, a community in Washington County, Mississippi.
This Afternoon
99°F
Sunny
Sunny, with a high near 99. Heat index values as high as 99. East southeast wind around 0 mph.
7-day forecast for Glen Allan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 99°F | Sunny | 0 mph | 0% |
| Tonight | 73°F | Clear | 0 to 5 mph SW | 0% |
| Saturday | 100°F | Sunny | 0 mph | 1% |
| Saturday Night | 75°F | Mostly Clear | 0 mph | 0% |
| Sunday | 100°F | Sunny | 0 to 5 mph WSW | 0% |
| Sunday Night | 76°F | Mostly Clear | 0 mph | 0% |
| Monday | 99°F | Mostly Sunny | 0 to 5 mph WNW | 8% |
| Monday Night | 74°F | Partly Cloudy | 0 mph | 12% |
| Tuesday | 97°F | Mostly Sunny | 0 to 5 mph N | 14% |
| Tuesday Night | 71°F | Mostly Clear | 5 mph NNE | 14% |
| Wednesday | 94°F | Sunny | 5 to 10 mph NNE | 4% |
| Wednesday Night | 69°F | Mostly Clear | 5 mph NNE | 4% |
| Thursday | 92°F | Sunny | 5 to 10 mph NNE | 3% |
| Thursday Night | 68°F | Mostly Clear | 5 mph NNE | 3% |
Forecast source: National Weather Service (api.weather.gov) for Glen Allan (33.022, -91.014). Updated through the day.
Growing snapshot for Glen Allan
Last spring frost
Mar 5
First fall frost
Nov 20
Growing season
261 days
Hardiness zone
8b
More local growing data for Glen Allan: nearby ZIP 38744 weather · frost dates · planting calendar · Mississippi frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Rolling Fork, Ms (13.3 mi from Glen Allan). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.