Glen Allan, MS Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Glen Allan, a community in Washington County, Mississippi.
Overnight
58°F
Partly Cloudy
Partly cloudy, with a low around 58. West wind around 5 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Glen Allan
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Partly Cloudy | 5 mph W | 6% |
| Wednesday | 72°F | Mostly Sunny | 0 to 5 mph WNW | 0% |
| Wednesday Night | 48°F | Partly Cloudy then Patchy Fog | 0 mph | 0% |
| Thursday | 74°F | Patchy Fog then Sunny | 0 mph | 0% |
| Thursday Night | 49°F | Mostly Clear | 0 mph | 0% |
| Friday | 73°F | Sunny | 0 to 10 mph N | 0% |
| Friday Night | 45°F | Mostly Clear | 5 mph NNE | 0% |
| Saturday | 65°F | Mostly Sunny | 5 to 10 mph NNE | 0% |
| Saturday Night | 40°F | Partly Cloudy | 0 to 5 mph NNE | 0% |
| Sunday | 64°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Sunday Night | 39°F | Mostly Clear | 0 to 5 mph N | 0% |
| Monday | 67°F | Sunny | 0 to 5 mph N | 3% |
| Monday Night | 40°F | Mostly Clear | 0 mph | 2% |
| Tuesday | 70°F | Sunny | 0 to 5 mph WNW | 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 Nov 4, 2026.