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)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)WashingtonWichita (KS)Winston-Salem (NC) More Locations
United States weather

Weather in Fairfax County, Virginia for April 2027

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

    Temperatures

  • In general, the average temperature in Fairfax County at the beginning of April is 21.7 °F. As the month progressed, temperatures tended to significantly cool down, reaching an average of 17.4 °F by the end of April.

    • Rain 🌧️

  • The climate of Fairfax County in April is notably wet, with an average of 11 rainy days, and a total of 51.7 mm of precipitation.

    • More

  • New! Chat with our AI weatherman - it’s amazing and free.

Average dry days
19
Dry days
Average rainy days
11
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/10°
Temperatures
Average wind speed
18 km/h
Avg max wind
Average humidity
65 %
Avg humidity

Fairfax County Weather April

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

Temperatures trend during April in Fairfax County

See the weather trend as well as the moving average line

April weather in Fairfax County day by day

Click on a date for more information
March May
Date Weather Temperatures Rain UV More
Apr. 1 Patchy rain possible
Patchy rain possible
 29° /17° 7.8 mm 6
Apr. 2 Cloudy
Cloudy
 18° /11° 0.1 mm 6
Apr. 3 Patchy rain possible
Patchy rain possible
 28° /9° 0.1 mm 5
Apr. 4 Patchy rain possible
Patchy rain possible
 29° /18° 0.2 mm 7
Apr. 5 Moderate or heavy rain shower
Moderate or heavy rain shower
 21° /12° 12.4 mm 2
Apr. 6 Partly cloudy
Partly cloudy
 16° /5° 0 mm 7
Apr. 7 Partly cloudy
Partly cloudy
 11° /5° 0 mm 7
Apr. 8 Sunny
Sunny
 10° /0° 0 mm 7
Apr. 9 Overcast
Overcast
 15° /2° 0 mm 7
Apr. 10 Overcast
Overcast
 24° /4° 0 mm 7
Apr. 11 Partly cloudy
Partly cloudy
 20° /12° 0 mm 7
Apr. 12 Overcast
Overcast
 22° /10° 0 mm 4
Apr. 13 Patchy rain possible
Patchy rain possible
 26° /13° 0.2 mm 8
Apr. 14 Overcast
Overcast
 29° /16° 0.1 mm 8
Apr. 15 Overcast
Overcast
 31° /17° 0.5 mm 8
Apr. 16 Overcast
Overcast
 31° /20° 0 mm 4
Apr. 17 Overcast
Overcast
 27° /20° 2.2 mm 8
Apr. 18 Partly cloudy
Partly cloudy
 29° /15° 0 mm 8
Apr. 19 Moderate or heavy rain shower
Moderate or heavy rain shower
 18° /9° 11.1 mm 4
Apr. 20 Patchy rain possible
Patchy rain possible
 11° /3° 0.9 mm 7
Apr. 21 Overcast
Overcast
 15° /0° 0 mm 8
Apr. 22 Moderate rain at times
Moderate rain at times
 21° /9° 0.6 mm 3
Apr. 23 Partly cloudy
Partly cloudy
 27° /13° 0 mm 8
Apr. 24 Patchy rain possible
Patchy rain possible
 26° /15° 0.4 mm 8
Apr. 25 Moderate or heavy rain shower
Moderate or heavy rain shower
 19° /9° 4.3 mm 2
Apr. 26 Overcast
Overcast
 12° /7° 0 mm 1
Apr. 27 Overcast
Overcast
 19° /5° 0 mm 9
Apr. 28 Heavy rain at times
Heavy rain at times
 17° /7° 1.6 mm 8
Apr. 29 Light rain shower
Light rain shower
 14° /9° 9.2 mm 2
Apr. 30 Cloudy
Cloudy
 15° /7° 0 mm 9
Next
Important Notice
Our weather forecast for Fairfax County in April 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 April - FAQ

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

Enjoy moderate daytime temperatures of up to 21° and cooler nights around 10°. Ideal for a range of outdoor activities, from hiking to city tours.

How much rainfall should be expected in Fairfax County during April?

Moderate rainfall is anticipated in Fairfax County during April, with a total of 51.7 mm spread over approximately 11 days. Considering plans for rainy days is advisable.

What are the typical wind conditions in Fairfax County during April?

The average wind speed in Fairfax County during April is 18 km/h, suggesting breezy to windy conditions, depending on your activities.

April rainfall patterns in Fairfax County

Explore the daily rainfall trends and prepare for Fairfax Countys April weather 💧
Typically, Fairfax County has 11 rainy days in April with a total of 51.7 mm of rainfall.

UV exposure in Fairfax County during April

Stay informed about UV levels for safe outdoor activities throughout the month of April ☀️
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
Location coordinates Where is Fairfax County?

Get accurate weather forecasts for Fairfax County, located at latitude 38.97 and longitude -77.386. Stay updated with localized weather information tailored for Fairfax County.

Found a mistake?
We appreciate your attention to details. Tell us here.