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Weather in Loudoun County, Virginia for March 2026

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

    Official Weather Alert ⚠️

  • - See hour by hour.

    • Snow Forecast ❄️

  • Snowfall in Loudoun County during March is quite rare, with fewer than 2 snowy days on average.
    According to Loudoun County snow forecast for March 2026, 1 snowy day is expected until the end of the month at Friday, March 27.

    • Temperatures

  • Until now, March 2026 in Loudoun County has been nearly identical to the historical average, with a temperature of 12.7 °F (showing only a slight deviation of -0.3 °F).

  • The forecast for the upcoming days in Loudoun County predicts a temperature of 14.6 °F, which is slightly above the historical average.

  • In general, the average temperature in Loudoun County at the beginning of March is 9.9 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 11 °F by the end of March.

    • Rain 🌧️

  • Loudoun County experiences moderate rainfall in March, with an average of 6 rainy days and a total precipitation of 45.9 mm.

    • More

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

Average dry days
25
Dry days
Average rainy days
6
Rainy days
Average snowy days
0
Snow days
Average temperatures
15°/4°
Temperatures
Average wind speed
23 km/h
Avg max wind
Average humidity
63 %
Avg humidity

Loudoun County Weather March

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

Temperatures trend during March in Loudoun County

See the weather trend as well as the moving average line

March weather in Loudoun County day by day

Click on a date for more information
February April
Date Weather Temperatures Rain Snow More
Mar. 1 Overcast
Overcast
 10° /-1° 0 mm 0 cm
Mar. 2 Sunny
Sunny
 3° /-5° 0 mm 0 cm
Mar. 3 Sunny
Sunny
 5° /-3° 1.9 mm 0.6 cm
Mar. 4 Overcast
Overcast
 11° /2° 0 mm 0 cm
Mar. 5 Moderate or heavy rain shower
Moderate or heavy rain shower
 15° /8° 13.2 mm 0 cm
Mar. 6 Overcast
Overcast
 13° /4° 19 mm 0 cm
Mar. 7 Sunny
Sunny
 12° /-1° 0 mm 0 cm
Mar. 8 Sunny
Sunny
 9° /1° 0 mm 0 cm
Mar. 9 Partly cloudy
Partly cloudy
 17° /2° 0 mm 0 cm
Mar. 10 Overcast
Overcast
 20° /5° 0 mm 0 cm
Mar. 11 Sunny
Sunny
 23° /9° 0 mm 0 cm
Mar. 12 Overcast
Overcast
 18° /3° 3.8 mm 0 cm
Mar. 13 Overcast
Overcast
 11° /1° 0 mm 0 cm
Mar. 14 Overcast
Overcast
 13° /2° 0 mm 0 cm
Mar. 15 Overcast
Overcast
 13° /4° 0 mm 0 cm
Mar. 16 Moderate rain at times
Moderate rain at times
 21° /7° 52.7 mm 0 cm
Mar. 17 Patchy rain possible
Patchy rain possible
 8° /0° 15.4 mm 9.9 cm
Mar. 18 Sunny
Sunny
 10° /-2° 0 mm 0 cm
Mar. 19 Overcast
Overcast
 16° /2° 0 mm 0 cm
Mar. 20 Patchy rain possible
Patchy rain possible
 19° /3° 0.4 mm 0 cm
Mar. 21 Patchy rain possible
Patchy rain possible
 18° /9° 2.9 mm 0 cm
Mar. 22 Overcast
Overcast
 30° /9° 0 mm 0 cm
Mar. 23 Heavy rain
Heavy rain
 10° /4° 40.9 mm 0 cm
Mar. 24 Sunny
Sunny
 10° /1° 0 mm 0 cm
Mar. 25 Sunny
Sunny
 15° /1° 0 mm 0 cm
Mar. 26 Cloudy
Cloudy
 14° /6° 0 mm 0 cm
Mar. 27 Moderate rain
Moderate rain
 10° /2° 8.2 mm 0.2 cm
Mar. 28 Sunny
Sunny
 9° /-3° 0 mm 0 cm
Mar. 29 Sunny
Sunny
 8° /-4° 0 mm 0 cm
Mar. 30 Partly cloudy
Partly cloudy
 17° /-2° 0 mm 0 cm
Mar. 31 Patchy rain possible
Patchy rain possible
 4° /1° 1.7 mm 0 cm
Next
Important Notice
Our weather forecast for Loudoun 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 Loudoun County forecast closer to your planned date for the most up-to-date weather information.
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Loudoun County in March - FAQ

What are the expected maximum and minimum temperatures in Loudoun County during March?

Prepare for cooler days with highs just around 15° and colder nights, dipping below 4°.

How much rainfall should be expected in Loudoun County during March?

In March, Loudoun County can expect light to moderate rainfall, totaling 45.9 mm across approximately 6 days. Occasional showers are possible, and planning ahead for them could be helpful.

What are the typical wind conditions in Loudoun County during March?

The average wind speed in Loudoun County during March is 23 km/h, suggesting breezy to windy conditions, depending on your activities.

Loudoun County snow forecast March 2026

Track daily snowfall levels and discover Loudoun County’s snowy potential this March ❄️

March rainfall patterns in Loudoun County

Explore the daily rainfall trends and prepare for Loudoun Countys March weather 💧
Typically, Loudoun County has 6 rainy days in March with a total of 45.9 mm of rainfall.

UV exposure in Loudoun County during March

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

Get accurate weather forecasts for Loudoun County, located at latitude 39.116 and longitude -77.564. Stay updated with localized weather information tailored for Loudoun County.

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