Westminster, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Westminster, a city in Carroll County, Maryland.
Today
74°F
Mostly Sunny
Mostly sunny, with a high near 74. South wind 5 to 10 mph, with gusts as high as 20 mph.
7-day forecast for Westminster
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 74°F | Mostly Sunny | 5 to 10 mph S | 1% |
| Tonight | 61°F | Mostly Cloudy then Rain Showers Likely | 8 mph S | 55% |
| Thursday | 72°F | Rain Showers Likely | 9 mph S | 62% |
| Thursday Night | 60°F | Chance Rain Showers | 1 to 6 mph SW | 56% |
| Friday | 68°F | Chance Light Rain | 3 mph N | 56% |
| Friday Night | 47°F | Chance Light Rain then Partly Cloudy | 1 to 5 mph NW | 28% |
| Saturday | 61°F | Mostly Sunny | 5 to 12 mph NW | 9% |
| Saturday Night | 40°F | Partly Cloudy | 8 mph W | 9% |
| Sunday | 58°F | Mostly Sunny | 7 to 10 mph NW | 3% |
| Sunday Night | 38°F | Mostly Clear | 6 mph W | 3% |
| Monday | 59°F | Sunny | 6 to 13 mph W | 4% |
| Monday Night | 36°F | Mostly Clear | 2 to 7 mph W | 4% |
| Tuesday | 63°F | Sunny | 3 to 10 mph W | 2% |
| Tuesday Night | 38°F | Mostly Clear | 6 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Westminster (39.580, -77.008). Updated through the day.
Growing snapshot for Westminster
Last spring frost
Apr 19
First fall frost
Oct 25
Growing season
188 days
Hardiness zone
7a
More local growing data for Westminster: nearby ZIP 21157 weather · frost dates · planting calendar · Maryland frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Millers 4 Ne, Md (15.2 mi from Westminster). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.