Williamsport, MD Weather & Growing Conditions
Today
86°F
Mostly Sunny
Mostly sunny, with a high near 86. East wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Mostly Sunny | 5 mph E | 0% |
| Tonight | 68°F | Mostly Cloudy then Chance Rain Showers | 1 to 5 mph E | 30% |
| Wednesday | 85°F | Showers And Thunderstorms Likely | 2 to 6 mph E | 65% |
| Wednesday Night | 70°F | Chance Showers And Thunderstorms | 6 mph SE | 36% |
| Thursday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 to 7 mph S | 54% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 54% |
| Friday | 89°F | Partly Sunny then Showers And Thunderstorms Likely | 1 to 6 mph SW | 55% |
| Friday Night | 69°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 1 to 5 mph SW | 55% |
| Saturday | 88°F | Partly Sunny then Chance Showers And Thunderstorms | 1 to 6 mph W | 45% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms | 1 to 5 mph SW | 45% |
| Sunday | 90°F | Mostly Sunny | 1 to 5 mph W | 14% |
| Sunday Night | 70°F | Partly Cloudy | 3 mph SW | 14% |
| Monday | 92°F | Mostly Sunny | 1 to 10 mph W | 13% |
| Monday Night | 70°F | Partly Cloudy | 2 to 8 mph W | 13% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Williamsport, MD
Last spring frost
Apr 11
First fall frost
Oct 28
Growing season
199 days
Hardiness zone
7a
Explore more for Williamsport, MD: full frost dates · planting calendar · Maryland frost dates
Climate data from the nearest NOAA station, Hagerstown 1 E, Md (7.9 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.