Jefferson, MD Weather & Growing Conditions
Today
85°F
Partly Sunny
Partly sunny, with a high near 85. East wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Partly Sunny | 5 mph E | 0% |
| Tonight | 68°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 1 to 6 mph E | 35% |
| Wednesday | 84°F | Rain Showers Likely | 2 to 6 mph E | 70% |
| Wednesday Night | 70°F | Showers And Thunderstorms Likely | 2 to 6 mph S | 56% |
| Thursday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 9 mph S | 43% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms | 1 to 8 mph SW | 43% |
| Friday | 89°F | Mostly Sunny then Chance Showers And Thunderstorms | 1 to 6 mph SW | 52% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 0 to 5 mph SW | 52% |
| Saturday | 88°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 6 mph W | 48% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 0 to 5 mph W | 48% |
| Sunday | 89°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph W | 15% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 3 mph SW | 15% |
| Monday | 91°F | Mostly Sunny | 1 to 9 mph W | 14% |
| Monday Night | 71°F | Partly Cloudy | 2 to 8 mph W | 14% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Jefferson, MD
Last spring frost
Apr 2
First fall frost
Nov 6
Growing season
218 days
Hardiness zone
7b
Explore more for Jefferson, MD: full frost dates · planting calendar · Maryland frost dates
Climate data from the nearest NOAA station, Frederick Police Brks, Md (7.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.