What's the weather like in Washington in October?Located in the east of the United States, Washington is the country’s historic capital. It sits just off the Atlantic coast, and has a continental climate bringing hot summers and cool winters to the city. Temperatures are cooling in October as autumn sets in, but the weather can still be pretty warm at this time. Showers are common throughout the year, so you should plan for a little wet weather no matter which month you visit Washington.
AveragesIn October the average temperature in Washington is 15°C, reaching a high of 20°C in the hottest part of the day. It’s usually t-shirt weather during the day, especially at the start of the month, but you might need some warmer clothes for the evenings, as the average low dips to 10°C after sunset. Around 70mm of rain’s forecast over 11 days in October, so it’s a good idea to bring a waterproof jacket or umbrella for when you’re sightseeing in the city.