Historical weather data, all-time temperature records, and monthly climate averages for Vienna, VA. Explore typical weather conditions by week for trip planning, and see how today compares to the historical record.
April 5th in Vienna tends to feel like spring is actually committing — the average high hits 64° with no snow in the forecast. That said, this date has a wild range in the record books: 86° back in 2012, then a bitter 24° low just one year later in 2013. There's about a 1-in-3 chance of some rain, so keep a light jacket handy.
Vienna has seen the full extremes — from a scorching 100° in August 2015 to a brutal -3° in February 1996, a swing of 103 degrees. On the wet side, a single day in September 1966 dropped 7.1 inches of rain, and a February 1983 snowstorm buried the area under 23 inches in one shot.
Vienna is warmest in mid-July, when highs average 86°, and coolest in late January, when you're lucky to hit 40°. Summer is also the wettest stretch — early-to-mid July averages over an inch of precip per week, mostly from afternoon thunderstorms. Spring and fall offer the most comfortable conditions, with highs in the 60s and 70s through April, May, September, and October.