Gaithersburg, Maryland Weather Forecast

Montgomery County 39.13°N, 77.21°W Pop. 67,985

Gaithersburg is in Montgomery County, Maryland. This page has current conditions, radar, a 7-day forecast, observed rainfall and the NWS written forecast for the area.

Active Weather Alerts

7-Day Forecast for Gaithersburg

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Hourly charts, 15-day outlook and more for Gaithersburg in Local Wx →

Growing Conditions

Growing degree days

4,034

since Apr 1, base 50°F

Rain, last 30 days

0.97 in

model analysis

Rain, year to date

34.26 in

since Jan 1

2-inch soil temperature

54°F

yesterday, daily average

Reference ET, last 7 days

0.74 in

FAO-56 grass reference

Through Oct 23. Season totals use model analysis for this point and update every morning. Soil, ET and spray tools for Gaithersburg →

Current Stats & Observations

NWS Forecast

About Gaithersburg Weather

Gaithersburg sits at about 463 feet above sea level in Montgomery County, Maryland. About 67,985 people live in the Gaithersburg area. Official forecasts and warnings for the area come from the National Weather Service LWX office, and the nearest NEXRAD radar site is KLWX. The city is in USDA plant hardiness zone 7b, where the coldest winter night typically falls between 5 to 10°F. Over the past ten years the last spring freeze has come around Apr 9 and the first fall freeze around Nov 11.

Nearby Forecasts

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All Maryland forecasts (20) → All states → Interactive forecast tools →