Fairfax County (Herndon)
April
Weather in Fairfax County, Virginia for April 2027
Your guide to Fairfax County weather in April - trends and predictions
Fairfax County experiences moderate rainfall in April, with an average of 7 rainy days and a total precipitation of 51.7 mm.
Is April a good time to visit Fairfax County? check out the best time to travel to Fairfax County page.
✨ Is April a good time to visit Fairfax County? – Ask the AI Weatherman
Rain 🌧️
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23
Dry days
7
Rainy days
0
Snow days
21°/10°
Temperatures
18 km/h
Avg max wind
65 %
Avg humidity
Fairfax County Weather April
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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
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Apr. 1 |  Light rain | 29° /17° | 7.8 mm | 6 | |
| Apr. 2 |  Cloudy | 18° /11° | 0.1 mm | 6 | |
| Apr. 3 |  Patchy rain possible | 28° /9° | 0.1 mm | 5 | |
| Apr. 4 | Patchy rain possible | 29° /18° | 0.2 mm | 7 | |
| Apr. 5 |  Moderate rain | 21° /12° | 12.4 mm | 2 | |
| Apr. 6 |  Partly cloudy | 16° /5° | 0 mm | 7 | |
| Apr. 7 | Partly cloudy | 11° /5° | 0 mm | 7 | |
| Apr. 8 |  Sunny | 10° /0° | 0 mm | 7 | |
| Apr. 9 |  Overcast | 15° /2° | 0 mm | 7 | |
| Apr. 10 | Overcast | 24° /4° | 0 mm | 7 | |
| Apr. 11 | Partly cloudy | 20° /12° | 0 mm | 7 | |
| Apr. 12 | Overcast | 22° /10° | 0 mm | 4 | |
| Apr. 13 | Patchy rain possible | 26° /13° | 0.2 mm | 8 | |
| Apr. 14 | Overcast | 29° /16° | 0.1 mm | 8 | |
| Apr. 15 | Overcast | 31° /17° | 0.5 mm | 8 | |
| Apr. 16 | Overcast | 31° /20° | 0 mm | 4 | |
| Apr. 17 | Patchy rain possible | 27° /20° | 2.2 mm | 8 | |
| Apr. 18 | Partly cloudy | 29° /15° | 0 mm | 8 | |
| Apr. 19 | Moderate rain | 18° /9° | 11.1 mm | 4 | |
| Apr. 20 | Patchy rain possible | 11° /3° | 0.9 mm | 7 | |
| Apr. 21 | Overcast | 15° /0° | 0 mm | 8 | |
| Apr. 22 | Patchy rain possible | 21° /9° | 0.6 mm | 3 | |
| Apr. 23 | Partly cloudy | 27° /13° | 0 mm | 8 | |
| Apr. 24 | Patchy rain possible | 26° /15° | 0.4 mm | 8 | |
| Apr. 25 | Light rain | 19° /9° | 4.3 mm | 2 | |
| Apr. 26 | Overcast | 12° /7° | 0 mm | 1 | |
| Apr. 27 | Overcast | 19° /5° | 0 mm | 9 | |
| Apr. 28 | Patchy rain possible | 17° /7° | 1.6 mm | 8 | |
| Apr. 29 | Light rain | 14° /9° | 9.2 mm | 2 | |
| Apr. 30 | Cloudy | 15° /7° | 0 mm | 9 | |
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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 7 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 7 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 ☀️
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