Jarrettsville, MD Weather & Growing Conditions
This Afternoon
72°F
Mostly Sunny
Mostly sunny. High near 72, with temperatures falling to around 66 in the afternoon. South wind around 9 mph, with gusts as high as 18 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 72°F | Mostly Sunny | 9 mph S | 1% |
| Tonight | 60°F | Mostly Cloudy then Chance Rain Showers | 9 mph S | 26% |
| Thursday | 71°F | Rain Showers Likely | 7 to 10 mph S | 59% |
| Thursday Night | 60°F | Rain Showers Likely | 2 to 7 mph SW | 62% |
| Friday | 68°F | Light Rain Likely | 3 mph N | 62% |
| Friday Night | 49°F | Chance Light Rain then Partly Cloudy | 2 to 8 mph NW | 39% |
| Saturday | 62°F | Mostly Sunny | 9 to 13 mph NW | 7% |
| Saturday Night | 42°F | Partly Cloudy | 13 mph NW | 7% |
| Sunday | 59°F | Mostly Sunny | 8 to 13 mph NW | 3% |
| Sunday Night | 41°F | Mostly Clear | 9 mph W | 4% |
| Monday | 58°F | Sunny | 9 to 15 mph W | 4% |
| Monday Night | 39°F | Mostly Clear | 5 to 9 mph W | 4% |
| Tuesday | 63°F | Sunny | 7 to 12 mph W | 1% |
| Tuesday Night | 40°F | Mostly Clear | 8 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Jarrettsville, MD
Last spring frost
Apr 3
First fall frost
Nov 6
Growing season
217 days
Hardiness zone
7a
Explore more for Jarrettsville, MD: full frost dates · planting calendar · Maryland frost dates
Climate data from the nearest NOAA station, Conowingo Dam, Md (15.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.