Historical weather data, all-time temperature records, and monthly climate averages for Leesburg, VA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 4th in Leesburg tends to feel like early spring in progress — historically, highs average 64° with lows still dipping to 39°. The date has a wild range in the record books though: 2012 brought a summery 89°, while 2013 bottomed out at a brutal 19° just one year later. Rain is possible but unlikely, with a 27% chance of precipitation and essentially no shot at snow.
Leesburg's weather history runs to genuine extremes — from a scorching 109° in July 1936 to a bone-chilling -15° in January 1912, a swing of 124 degrees. On the wet side, a single June day in 1972 dropped 8.26 inches of rain, and the January 2016 blizzard buried the area under 36 inches of snow in one storm.
Summers in Leesburg are legitimately hot, with highs peaking around 89° in the third week of July, while January is the time to bundle up — highs average just 42° in early January. The late May to early June window is the wettest stretch of the year, averaging over an inch of precipitation per week, so pack accordingly if you're visiting for the spring greenery.