Smithsburg, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Smithsburg, a town in Washington County, Maryland.
This Afternoon
70°F
Sunny
Sunny, with a high near 70. South wind around 7 mph.
7-day forecast for Smithsburg
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Sunny | 7 mph S | 3% |
| Tonight | 53°F | Mostly Clear | 7 mph SE | 2% |
| Wednesday | 73°F | Mostly Sunny | 6 to 13 mph S | 2% |
| Wednesday Night | 62°F | Mostly Cloudy then Light Rain | 12 mph S | 87% |
| Thursday | 74°F | Light Rain | 6 to 12 mph S | 79% |
| Thursday Night | 59°F | Light Rain Likely | 1 to 5 mph W | 56% |
| Friday | 69°F | Chance Light Rain | 3 mph NW | 53% |
| Friday Night | 48°F | Chance Light Rain then Partly Cloudy | 3 mph NW | 45% |
| Saturday | 62°F | Mostly Sunny | 3 to 12 mph NW | 11% |
| Saturday Night | 41°F | Partly Cloudy | 3 to 8 mph NW | 11% |
| Sunday | 59°F | Mostly Sunny | 3 to 9 mph W | 6% |
| Sunday Night | 39°F | Partly Cloudy then Slight Chance Light Rain | 6 mph W | 15% |
| Monday | 59°F | Slight Chance Light Rain | 6 to 14 mph W | 16% |
| Monday Night | 39°F | Mostly Clear | 3 to 8 mph W | 7% |
Forecast source: National Weather Service (api.weather.gov) for Smithsburg (39.655, -77.580). Updated through the day.
Growing snapshot for Smithsburg
Last spring frost
Apr 25
First fall frost
Oct 19
Growing season
176 days
Hardiness zone
7a
More local growing data for Smithsburg: nearby ZIP 21783 weather · frost dates · planting calendar · Maryland frost dates
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Climate data from the nearest NOAA station, Smithsburg 2Nw, Md (1.8 mi from Smithsburg). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.