easeweather.com
Fairfax County (Herndon)
Akron (OH)Albuquerque (NM)Alexandria (VA)Anaheim (CA)Anchorage (AK)Arlington (VA)Asheville (NC)Atlanta (GA)Atlantic City (NJ)Austin (TX)Baltimore (MD)Baton Rouge (LA)Birmingham (AL)Boston (MA)Bowling Green (KY)Brooklyn (NY)Buffalo (NY)Cape Coral (FL)Charlotte (NC)Chattanooga (TN)Chicago (IL)Cincinnati (OH)Cleveland (OH)Colorado Springs (CO)Columbus (OH)Corpus Christi (TX)Dallas (TX)Dayton (OH)Daytona Beach (FL)Denver (CO)Des Moines (IA)Detroit (MI)El Paso (TX)Fairbanks (AK)Fort Lauderdale (FL)Fort Wayne (IN)Fort Worth (TX)Gatlinburg (TN)Grand Rapids (MI)Harrisburg (PA)Herndon (VA)Honolulu (HI)Houston (TX)Huntsville (AL)Indianapolis (IN)Jackson (MS)Jacksonville (FL)Juneau (AK)Kansas City (MO)Ketchikan (AK)Key West (FL)Knoxville (TN)Las Vegas (NV)Lexington (KY)Lincoln (NE)Little Rock (AR)Los Angeles (CA)Louisville (KY)Madison (WI)Manhattan (NY)Memphis (TN)Miami (FL)Milwaukee (WI)Minneapolis (MN)Mobile (AL)Montgomery (AL)Nashville (TN)New Orleans (LA)New York City (NY)Newark (NJ)Oklahoma City (OK)Omaha (NE)Orlando (FL)Philadelphia (PA)Phoenix (AZ)Pittsburgh (PA)Portland (OR)Richmond (VA)Sacramento (CA)Salt Lake City (UT)San Antonio (TX)San Diego (CA)San Francisco (CA)San Jose (CA)Savannah (GA)Seattle (WA)Sitka (AK)Skagway (AK)Springfield (MO)St. Louis (MO)St. Petersburg (FL)Tallahassee (FL)Tampa (FL)Toledo (OH)Traverse City (MI)Tulsa (OK)Tyler (TX)Vancouver (WA)Virginia Beach (VA)WashingtonWinston-Salem (NC) More Locations
United States weather

Weather in Fairfax County, Virginia for March 2027

Your guide to Fairfax County weather in March - trends and predictions

    Snow Forecast ❄️

  • Snowfall in Fairfax County during March is quite rare, with fewer than 2 snowy days on average.

    • Rain 🌧️

  • Fairfax County experiences moderate rainfall in March, with an average of 6 rainy days and a total precipitation of 177.6 mm.

    • More

  • Is March a good time to visit Fairfax County? check out the best time to travel to Fairfax County page.

  • ✨ Is March a good time to visit Fairfax County? – Ask the AI Weatherman

Average dry days
24
Dry days
Average rainy days
6
Rainy days
Average snowy days
1
Snow days
Average temperatures
15°/5°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
70 %
Avg humidity

Fairfax County Weather March

Move between months or click on a day
February
April
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Fog
8°
2
Overcast
1°
3
Light freezing rain
6°
4
Fog
9°
5
Fog
15°
6
Heavy rain
14°
7
Moderate rain
12°
8
Overcast
20°
9
Sunny
19°
10
Sunny
25°
11
Overcast
26°
12
Heavy rain at times
21°
13
Overcast
10°
14
Overcast
12°
15
Overcast
11°
16
Heavy rain
22°
17
Heavy snow
3°
18
Overcast
3°
19
Overcast
9°
20
Fog
18°
21
Overcast
14°
22
Cloudy
26°
23
Light rain
17°
24
Partly cloudy
10°
25
Overcast
14°
26
Overcast
19°
27
Thundery outbreaks possible
18°
28
Sunny
9°
29
Partly cloudy
16°
30
Overcast
17°
31
Overcast
26°

Temperatures trend during March in Fairfax County

See the weather trend as well as the moving average line

March weather in Fairfax County day by day

Click on a date for more information
February April
Date Weather Temperatures Rain Snow More
Mar. 1 Fog
Fog
 8° /1° 0 mm 0 cm
Mar. 2 Overcast
Overcast
 1° /-3° 0 mm 0 cm
Mar. 3 Light freezing rain
Light freezing rain
 6° /0° 4 mm 0 cm
Mar. 4 Fog
Fog
 9° /6° 0 mm 0 cm
Mar. 5 Fog
Fog
 15° /8° 0 mm 0 cm
Mar. 6 Heavy rain
Heavy rain
 14° /7° 31 mm 0 cm
Mar. 7 Moderate rain
Moderate rain
 12° /5° 17.2 mm 0 cm
Mar. 8 Overcast
Overcast
 20° /13° 0 mm 0 cm
Mar. 9 Sunny
Sunny
 19° /6° 0 mm 0 cm
Mar. 10 Sunny
Sunny
 25° /9° 0 mm 0 cm
Mar. 11 Overcast
Overcast
 26° /18° 0 mm 0 cm
Mar. 12 Heavy rain at times
Heavy rain at times
 21° /3° 5.6 mm 0 cm
Mar. 13 Overcast
Overcast
 10° /0° 0 mm 0 cm
Mar. 14 Overcast
Overcast
 12° /6° 0 mm 0 cm
Mar. 15 Overcast
Overcast
 11° /4° 0 mm 0 cm
Mar. 16 Heavy rain
Heavy rain
 22° /4° 87.3 mm 0 cm
Mar. 17 Heavy snow
Heavy snow
 3° /-2° 28.9 mm 20.9 cm
Mar. 18 Overcast
Overcast
 3° /-2° 0 mm 0 cm
Mar. 19 Overcast
Overcast
 9° /0° 0 mm 0 cm
Mar. 20 Fog
Fog
 18° /2° 0 mm 0 cm
Mar. 21 Overcast
Overcast
 14° /6° 0 mm 0 cm
Mar. 22 Cloudy
Cloudy
 26° /8° 0 mm 0 cm
Mar. 23 Light rain
Light rain
 17° /7° 3.6 mm 0 cm
Mar. 24 Partly cloudy
Partly cloudy
 10° /-1° 0 mm 0 cm
Mar. 25 Overcast
Overcast
 14° /4° 0 mm 0 cm
Mar. 26 Overcast
Overcast
 19° /8° 0 mm 0 cm
Mar. 27 Thundery outbreaks possible
Thundery outbreaks possible
 18° /8° 0 mm 0 cm
Mar. 28 Sunny
Sunny
 9° /0° 0 mm 0 cm
Mar. 29 Partly cloudy
Partly cloudy
 16° /2° 0 mm 0 cm
Mar. 30 Overcast
Overcast
 17° /9° 0 mm 0 cm
Mar. 31 Overcast
Overcast
 26° /13° 0 mm 0 cm
Next
Important Notice
Our weather forecast for Fairfax County 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 County forecast closer to your planned date for the most up-to-date weather information.
Change Month
‹
›

Fairfax County in March - FAQ

What are the expected maximum and minimum temperatures in Fairfax County during March?
During March, expect a variety of temperatures with highs around 15° and lows near 5°, suitable for diverse activities and preferences.

How much rainfall should be expected in Fairfax County during March?
Significant rainfall exceeding 177.6 mm is expected in Fairfax County during March, occurring over more than 6 days. Preparing for wet conditions is recommended in your planning.

Will it snow in Fairfax County in March 2027?
Fairfax County typically sees 20.9 cm of snowfall during March.

What are the typical wind conditions in Fairfax County during March?
The average wind speed in Fairfax County during March is 21 km/h, suggesting breezy to windy conditions, depending on your activities.

Fairfax County snow forecast March 2027

Track daily snowfall levels and discover Fairfax County’s snowy potential this March ❄️
On average, Fairfax County sees 1 snowy days during March, with approximately 20.9 cm of total snowfall.

March rainfall patterns in Fairfax County

Explore the daily rainfall trends and prepare for Fairfax Countys March weather 💧
Typically, Fairfax County has 6 rainy days in March with a total of 177.6 mm of rainfall.

UV exposure in Fairfax County during March

Stay informed about UV levels for safe outdoor activities throughout the month of March ☀️
Top locations in Fairfax County
Select a location for an accurate weather forecast
Herndon
More Locations
Quick links
More Fairfax County weather pages
You are here
Found a mistake?
We appreciate your attention to details. Tell us here.