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Weather in Herndon, Virginia for April 2027

Your guide to Herndon weather in April - trends and predictions

    Temperatures

  • 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.

  • Rain 🌧️

  • 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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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

Herndon Weather April

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Temperatures trend during April in Herndon

See the weather trend as well as the moving average line

April weather in Herndon day by day

Click on a date for more information
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 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.

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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Location coordinates Where is Herndon?

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

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