As of 00:08 EDT

Herndon, VA weather in March

75°

Herndon, Sunday, 9 August, 00:08

Overcast. Feels like 76°. High 89°, low 73°.

Pressure30.00 inHg

Wind5.4 mph W

Humidity83%

Visibility6.2 mi

Dew point70°

See detailed hourly forecast

In March, Herndon, VA averages a high of 53.5° and a low of 34.6°. About 3.5 inches of precipitation fall over the month (10 wet days). The record high is 84.6° (1998) and the record low -1.1° (2014). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	48.9°	30.4°	32%	77.5° (2017)	10.6° (1980)
2	50.5°	32°	42%	74.1° (1972)	8.8° (1980)
3	48.4°	30.6°	32%	66.7° (1967)	3° (2009)
4	47.7°	30.7°	30%	74.3° (1983)	-1.1° (2014)
5	50.9°	32°	27%	78.1° (1976)	7° (1978)
6	49.8°	31.6°	32%	74.1° (2022)	0.9° (2015)
7	51.4°	31.6°	30%	76.8° (2022)	-1.1° (2015)
8	52.2°	32°	27%	78.6° (2000)	5.7° (1960)
9	51.4°	32.2°	22%	76.5° (2016)	3.6° (1960)
10	52.2°	32.9°	33%	76.6° (2016)	7.9° (1984)
11	53.4°	33.1°	22%	73.9° (2021)	3.2° (1960)
12	52.5°	33.1°	33%	81.7° (1990)	9.5° (1960)
13	53.4°	34.5°	38%	80.6° (1990)	12.6° (1960)
14	53.4°	35.1°	33%	82.6° (1990)	10.4° (1960)
15	54.7°	35.4°	30%	79.2° (2012)	0.3° (1993)
16	53.2°	34.9°	37%	75.4° (1990)	8.4° (1960)
17	53.1°	34.3°	30%	74.7° (1963)	15.1° (2017)
18	52.9°	34.3°	33%	75.2° (2011)	15.3° (1993)
19	54°	35.4°	32%	73° (2022)	8.8° (1993)
20	53.6°	35.2°	27%	74.3° (2020)	20.3° (1960)
21	53.8°	35.6°	37%	73.2° (2010)	18.9° (1960)
22	53.6°	35.8°	20%	77.4° (1968)	19.4° (1960)
23	54.5°	34.5°	25%	78.8° (2012)	17.2° (1960)
24	54.9°	36.1°	32%	74.7° (1988)	16.2° (1960)
25	55.4°	36.3°	35%	77.4° (2017)	20.3° (1960)
26	56.3°	36.9°	27%	76.6° (2021)	22.1° (2014)
27	56.7°	36.7°	30%	79.2° (1998)	22.8° (2014)
28	58.1°	39°	37%	81.3° (1989)	24.1° (1982)
29	60.3°	40.6°	35%	83.3° (2025)	22.1° (2022)
30	59.9°	40.1°	35%	84.6° (1998)	22.5° (1970)
31	59°	40.6°	42%	84.6° (2025)	24.4° (1964)