Westminster, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Westminster, a city in Carroll County, Maryland.
This Afternoon
76°F
Mostly Cloudy
Mostly cloudy, with a high near 76. Southeast wind around 9 mph.
7-day forecast for Westminster
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 76°F | Mostly Cloudy | 9 mph SE | 4% |
| Tonight | 64°F | Mostly Cloudy then Isolated Rain Showers | 8 to 12 mph SE | 20% |
| Sunday | 81°F | Chance Showers And Thunderstorms | 10 to 14 mph S | 70% |
| Sunday Night | 57°F | Chance Showers And Thunderstorms | 2 to 10 mph W | 70% |
| Monday | 69°F | Chance Rain Showers | 12 mph NE | 33% |
| Monday Night | 54°F | Chance Rain Showers | 10 mph NE | 51% |
| Tuesday | 63°F | Rain Showers Likely | 9 to 14 mph NE | 63% |
| Tuesday Night | 51°F | Rain Showers Likely | 12 mph NE | 62% |
| Wednesday | 60°F | Chance Rain Showers | 12 mph NE | 48% |
| Wednesday Night | 51°F | Chance Rain Showers | 8 to 12 mph NE | 31% |
| Thursday | 60°F | Slight Chance Rain Showers | 12 mph NE | 24% |
| Thursday Night | 49°F | Slight Chance Rain Showers | 5 to 8 mph N | 24% |
| Friday | 65°F | Chance Rain Showers | 10 mph N | 28% |
| Friday Night | 50°F | Chance Rain Showers | 5 to 9 mph N | 25% |
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 Sep 19, 2026.