Herndon Weather in October

What's the weather like in Herndon (Virginia) in October 2024?

The climate in Herndon during October can be summarized as mild and a little damp.

October is in the fall / autumn in Herndon and is typically the 6th warmest month of the year. Daytime maximum temperatures average around 20°C (68°F), whilst at night 7°C (44°F) is normal.

Herndon weather averages (imperial / metric)
Daytime temperature 20.1°C 68.2°F
Nightly temperature 6.5°C 43.7°F
Average temperature 13.3°C 55.9°F
Daily sunshine 7 hrs
Avg rainfall 80 mm 3.1 ins
Rainy days 8 days
Sea temperature 17.3°C 63.2°F
Humidity 72%
Windspeed 12.6kph 8 mph

On average October is the 4th driest month of the year in Herndon with around 80mm 3.1 inches of rain making it a a little damp time to visit. This rainfall is typically spread over 8 days, although this may vary considerably.

On the flip side this corresponds to an average of 7 hours of sunshine per day.

October temperatures in Herndon

Herndon average temperature in October

October rainfall

Herndon average rain in October

October hourly sunshine

Herndon average rain in October

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in Herndon in October 2024.