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Weather in Fairfax, Virginia for March 2026

Your guide to Fairfax weather in March - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Fairfax during March is quite rare, with fewer than 2 snowy days on average.
    According to Fairfax snow forecast for March 2026, 1 snowy day is expected until the end of the month at Friday, March 27.

  • Temperatures

  • Until now, March 2026 in Fairfax is slightly cooler than the historical average by -0.7 °F.

  • The forecast for the upcoming days in Fairfax predicts a temperature of 15.9 °F, which is slightly above the historical average.

  • In general, the average temperature in Fairfax at the beginning of March is 11.4 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 12 °F by the end of March.

  • Rain 🌧️

  • The climate of Fairfax in March is notably wet, with an average of 15 rainy days, and a total of 130.2 mm of precipitation.

  • More

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Average dry days
16
Dry days
Average rainy days
15
Rainy days
Average snowy days
0
Snow days
Average temperatures
14°/5°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
64 %
Avg humidity

Fairfax Weather March

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Temperatures trend during March in Fairfax

See the weather trend as well as the moving average line

March weather in Fairfax day by day

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Date Weather Temperatures Rain Snow More
Mar. 1 Light drizzle
Light drizzle
10° /1° 1.3 mm 0 cm
Mar. 2 Moderate rain
Moderate rain
4° /-1° 7.3 mm 0 cm
Mar. 3 Partly cloudy
Partly cloudy
10° /0° 1.9 mm 0.6 cm
Mar. 4 Mist
Mist
13° /5° 0 mm 0 cm
Mar. 5 Moderate rain
Moderate rain
15° /8° 19.5 mm 0 cm
Mar. 6 Moderate rain
Moderate rain
14° /6° 21.8 mm 0 cm
Mar. 7 Overcast
Overcast
14° /5° 0 mm 0 cm
Mar. 8 Patchy rain possible
Patchy rain possible
11° /5° 0 mm 0 cm
Mar. 9 Light rain
Light rain
15° /4° 4 mm 0 cm
Mar. 10 Patchy rain possible
Patchy rain possible
17° /5° 0.1 mm 0 cm
Mar. 11 Sunny
Sunny
18° /8° 0 mm 0 cm
Mar. 12 Sunny
Sunny
18° /5° 1.3 mm 0 cm
Mar. 13 Overcast
Overcast
12° /4° 0 mm 0 cm
Mar. 14 Sunny
Sunny
14° /7° 0 mm 0 cm
Mar. 15 Light rain shower
Light rain shower
16° /8° 1.1 mm 0 cm
Mar. 16 Sunny
Sunny
20° /8° 30.7 mm 0 cm
Mar. 17 Patchy rain possible
Patchy rain possible
12° /4° 14.4 mm 9.1 cm
Mar. 18 Overcast
Overcast
10° /0° 0 mm 0 cm
Mar. 19 Overcast
Overcast
14° /3° 0 mm 0 cm
Mar. 20 Patchy rain possible
Patchy rain possible
17° /4° 15.3 mm 0 cm
Mar. 21 Patchy rain possible
Patchy rain possible
22° /10° 2.3 mm 0 cm
Mar. 22 Partly cloudy
Partly cloudy
31° /9° 0 mm 0 cm
Mar. 23 Moderate rain
Moderate rain
12° /6° 18.3 mm 0 cm
Mar. 24 Sunny
Sunny
10° /0° 0 mm 0 cm
Mar. 25 Sunny
Sunny
16° /2° 0 mm 0 cm
Mar. 26 Cloudy
Cloudy
15° /7° 0.1 mm 0 cm
Mar. 27 Patchy rain possible
Patchy rain possible
12° /3° 4.1 mm 0.6 cm
Mar. 28 Sunny
Sunny
10° /-1° 0 mm 0 cm
Mar. 29 Sunny
Sunny
8° /-3° 0 mm 0 cm
Mar. 30 Partly cloudy
Partly cloudy
18° /0° 0 mm 0 cm
Mar. 31 Patchy rain possible
Patchy rain possible
5° /2° 2.1 mm 0 cm
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Important Notice
Our weather forecast for Fairfax in March is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Fairfax forecast closer to your planned date for the most up-to-date weather information.

Fairfax in March - FAQ

What are the expected maximum and minimum temperatures in Fairfax during March?

During March, expect a variety of temperatures with highs around 14° and lows near 5°, suitable for diverse activities and preferences.

How much rainfall should be expected in Fairfax during March?

Significant rainfall exceeding 130.2 mm is expected in Fairfax during March, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.

What are the typical wind conditions in Fairfax during March?

The average wind speed in Fairfax during March is 19 km/h, suggesting breezy to windy conditions, depending on your activities.

Fairfax snow forecast March 2026

Track daily snowfall levels and discover Fairfax’s snowy potential this March ❄️

March rainfall patterns in Fairfax

Explore the daily rainfall trends and prepare for Fairfaxs March weather 💧
Typically, Fairfax has 15 rainy days in March with a total of 130.2 mm of rainfall.

UV exposure in Fairfax during March

Stay informed about UV levels for safe outdoor activities throughout the month of March ☀️

Quick links

More Fairfax weather pages
Location coordinates Where is Fairfax?

Get accurate weather forecasts for Fairfax, located at latitude 38.846 and longitude -77.306. Stay updated with localized weather information tailored for Fairfax.

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