Herndon
Weather by month
Current –

Herndon Weather in March

March in Herndon brings moderate temperatures around 13°C (55°F) during the day, dropping to 1°C (34°F) at night, with quite a bit of rainfall expected, averaging around 81 mm (3.2 in) for the month.

Rainfall in Herndon in March

Records from the past 30 years suggest around 10 days of rain, with 81 mm (3.2 in) average for the month. Rainfall intensity is on the higher side this month. Expect more substantial showers rather than light, passing rain.

Temperature in Herndon in March

If you're visiting Herndon in March, expect highs of 13°C (55°F) and overnight lows around 1°C (34°F). This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights drop to 1°C (34°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.

Sunshine in Herndon in March

The days are predominantly sunny, with an estimated total of around 205 hours of sunshine. Despite the cool temperatures, these sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.

Our weather planner can help you find worldwide destinations with pleasant weather during this period. April, May, June, September and October typically offer the best weather for Herndon.

Herndon Temperature in March

Min Temperature
1°C (34°F)
Max Temperature
13°C (55°F)
Chance of Rain
33%
Precipitation
81 mm (3.2 in)
Rainy days
10 days
Humidity
58% *
Sunshine
205 hours *
Percentage Sunshine
55% *
* Data from: Washington DC, the United States of America (33 KM, 20 Miles).

Herndon Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Herndon - and find the best time to visit.

Best Places in the United States of America in March

Find out more about the weather in the United States of America and which places have the best travel conditions in this month. See all of the United States of America in March →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Herndon in March

Pack for changing conditions in Herndon in March. Bring a mix of short and long sleeves, a warm layer like a hoodie or light jacket, and comfortable pants. The key is being able to add or remove layers as the days goes by. Prepare for significant rainfall with proper waterproof clothing and shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Herndon in March

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    4/10
  • Cycling
    6/10
  • Walking
    6/10
  • Camping
    4/10
  • Outdoor sports
    6/10

Herndon 3-Day Forecast

Popular in March

Where to go in March - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.