ag wx logo Ag Weather The Weather Desk
Go Pro

Reston, Virginia Weather Forecast

Fairfax County 38.95°N, 77.35°W Pop. 61,147
Open in Local Wx

Today in Reston: slight rain with a high near 82°F and a low around 60°F. Rain chance 52%. Rain chances peak at 30% on Saturday. Cooling trend: highs fall from 82°F today to 56°F by Monday.

Forecast updated 10:05 PM EDT, Oct 16

Active Weather Alerts

7-Day Forecast for Reston

Today 10/16
Slight rain
52%
82°60°
Sat 10/17
Partly cloudy
30%
60°43°
Sun 10/18
Clear sky
56°37°
Mon 10/19
Slight rain showers
16%
56°40°
Tue 10/20
Slight rain showers
16%
62°47°
Wed 10/21
Mostly sunny
17%
62°50°
Thu 10/22
Slight rain showers
18%
60°49°
Hourly charts, 15-day outlook and more for Reston in Local Wx →

Next 24 Hours

Now11 PMSat12 AM1 AM2 AM3 AM4 AM5 AM6 AM7 AM8 AM9 AM10 AM11 AM12 PM1 PM2 PM3 PM4 PM5 PM6 PM7 PM8 PM9 PM
SkyPartly cloudyOvercastModerate drizzleLight drizzleOvercastLight drizzleModerate drizzleLight drizzleOvercastOvercastOvercastPartly cloudyOvercastPartly cloudyPartly cloudyPartly cloudyMostly sunnyMostly sunnyMostly sunnyMostly sunnyClear skyClear skyClear skyClear sky
Temp62°61°60°59°57°56°54°53°52°50°50°50°51°51°53°53°53°54°54°53°52°49°46°45°
Rain8%14%26%26%20%27%30%25%17%14%14%9%5%4%2%1%0%0%0%0%0%0%0%0%
WindNNW 12NNW 11NW 11NNW 11NNW 10NNW 11N 12N 13N 13N 14N 14N 15N 15N 15N 15N 15N 15N 15N 15N 13N 12N 10N 9N 9

Growing Conditions

Growing degree days
4,081
since Apr 1, base 50°F
Rain, last 30 days
2.29 in
model analysis
Rain, year to date
35.74 in
since Jan 1
2-inch soil temperature
66°F
yesterday, daily average
Reference ET, last 7 days
0.69 in
FAO-56 grass reference
Through Oct 15. Season totals use model analysis for this point and update every morning. Soil, ET and spray tools for Reston →

Current Stats & Observations

Ag Wx Pro Save locations, 15-day forecasts, daily briefings, and professional-grade meteorological tools
Get Ag Wx Pro

NWS Forecast

About Reston Weather

Reston sits at about 384 feet above sea level in Fairfax County, Virginia. About 61,147 people live in the Reston 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 3 and the first fall freeze around Nov 13.

Nearby Forecasts

Ashburn, VA Centreville, VA Bethesda, MD North Bethesda, MD Rockville, MD Arlington, VA Gaithersburg, MD Leesburg, VA

Largest Cities in Virginia

Virginia Beach, VA Richmond, VA Chesapeake, VA Norfolk, VA Arlington, VA Roanoke, VA Newport News, VA Fredericksburg, VA Alexandria, VA Hampton, VA
All Virginia forecasts (24) → All states → Interactive forecast tools →