Herndon (VA)
April
Weather in Herndon, Virginia for April 2027
Your guide to Herndon weather in April - trends and predictions
In general, the average temperature in Herndon 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.
The climate of Herndon in April is notably wet, with an average of 11 rainy days, and a total of 51.7 mm of precipitation.
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Temperatures
Rain 🌧️
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19
Dry days
11
Rainy days
0
Snow days
21°/10°
Temperatures
18 km/h
Avg max wind
65 %
Avg humidity
Herndon Weather April
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Temperatures trend during April in Herndon
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April weather in Herndon day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Apr. 1 |  Patchy rain possible | 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 or heavy rain shower | 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 | Overcast | 27° /20° | 2.2 mm | 8 | |
| Apr. 18 | Partly cloudy | 29° /15° | 0 mm | 8 | |
| Apr. 19 | Moderate or heavy rain shower | 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 | Moderate rain at times | 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 | Moderate or heavy rain shower | 19° /9° | 4.3 mm | 2 | |
| Apr. 26 | Overcast | 12° /7° | 0 mm | 1 | |
| Apr. 27 | Overcast | 19° /5° | 0 mm | 9 | |
| Apr. 28 |  Heavy rain at times | 17° /7° | 1.6 mm | 8 | |
| Apr. 29 | Light rain shower | 14° /9° | 9.2 mm | 2 | |
| Apr. 30 | Cloudy | 15° /7° | 0 mm | 9 | |
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Important Notice
Our weather forecast for Herndon 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 Herndon forecast closer to your planned date for the most up-to-date weather information.
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Herndon in April - FAQ
What are the expected maximum and minimum temperatures in Herndon 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 Herndon during April?
Moderate rainfall is anticipated in Herndon 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 Herndon during April?
The average wind speed in Herndon during April is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
April rainfall patterns in Herndon
Explore the daily rainfall trends and prepare for Herndons April weather 💧
Typically, Herndon has 11 rainy days in April with a total of 51.7 mm of rainfall.
UV exposure in Herndon during April
Stay informed about UV levels for safe outdoor activities throughout the month of April ☀️
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