Big Spring, MD Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Big Spring, a community in Washington County, Maryland.
This Afternoon
75°F
Mostly Sunny
Mostly sunny, with a high near 75. South wind around 10 mph, with gusts as high as 20 mph.
7-day forecast for Big Spring
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Mostly Sunny | 10 mph S | 2% |
| Tonight | 63°F | Light Rain | 9 mph SE | 98% |
| Thursday | 77°F | Light Rain Likely | 2 to 9 mph SW | 61% |
| Thursday Night | 53°F | Chance Light Rain then Mostly Cloudy | 2 mph W | 28% |
| Friday | 70°F | Partly Sunny | 1 to 5 mph NW | 7% |
| Friday Night | 45°F | Partly Cloudy | 2 to 8 mph NW | 5% |
| Saturday | 59°F | Mostly Sunny | 8 to 14 mph NW | 8% |
| Saturday Night | 41°F | Partly Cloudy | 9 to 14 mph NW | 3% |
| Sunday | 61°F | Mostly Sunny | 8 to 14 mph NW | 2% |
| Sunday Night | 38°F | Mostly Clear | 8 mph W | 0% |
| Monday | 62°F | Sunny | 8 to 13 mph W | 0% |
| Monday Night | 37°F | Mostly Clear | 6 mph W | 0% |
| Tuesday | 67°F | Sunny | 3 to 10 mph W | 0% |
| Tuesday Night | 38°F | Mostly Clear | 5 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Big Spring (39.626, -77.940). Updated through the day.
Growing snapshot for Big Spring
Last spring frost
Apr 7
First fall frost
Nov 4
Growing season
209 days
Hardiness zone
7a
More local growing data for Big Spring: nearby ZIP 21722 weather · frost dates · planting calendar · Maryland frost dates
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Climate data from the nearest NOAA station, Hagerstown Washington Co Ap, Md (10.2 mi from Big Spring). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.