Jefferson, MD Weather & Growing Conditions
Overnight
58°F
Partly Cloudy
Partly cloudy, with a low around 58. Northeast wind around 8 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 58°F | Partly Cloudy | 8 mph NE | 0% |
| Saturday | 77°F | Partly Sunny | 3 to 7 mph NE | 11% |
| Saturday Night | 64°F | Mostly Cloudy then Slight Chance Rain Showers | 5 to 10 mph SE | 17% |
| Sunday | 82°F | Rain Showers Likely | 6 to 12 mph S | 55% |
| Sunday Night | 59°F | Showers And Thunderstorms Likely | 3 to 10 mph NW | 73% |
| Monday | 68°F | Chance Rain Showers | 10 mph NE | 42% |
| Monday Night | 54°F | Chance Rain Showers | 6 to 9 mph NE | 52% |
| Tuesday | 62°F | Rain Showers Likely | 12 mph NE | 67% |
| Tuesday Night | 51°F | Rain Showers Likely | 10 to 14 mph NE | 67% |
| Wednesday | 59°F | Chance Rain Showers | 14 mph NE | 53% |
| Wednesday Night | 51°F | Chance Showers And Thunderstorms | 13 mph NE | 45% |
| Thursday | 61°F | Chance Showers And Thunderstorms | 13 mph NE | 44% |
| Thursday Night | 50°F | Chance Showers And Thunderstorms | 5 to 9 mph N | 38% |
| Friday | 66°F | Slight Chance Rain Showers | 10 mph N | 21% |
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 Sep 19, 2026.