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Brambleton CDP, VA

ZIP 20148 — Climate & Environment

Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.

Wealthy AreaLarge CommunityLow Snow AreaRemote Work Hub

Climate, disaster risk, air quality, and environmental safety

Environment & Risk in ZIP Code 20148

Disaster Risk (FEMA NRI)

County-linked natural hazard risk from FEMA National Risk Index — useful for comparing insurance and disaster exposure.

FEMA’s National Risk Index rates natural-hazard risk for Brambleton CDP, VA as Relatively Low (composite score 78.1), which is elevated versus much of the country. The strongest component scores on US5 are flood (83.9) and hurricane (80.1). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.

Overall rating
Relatively Low
Risk index
78.1
Flood risk
83.9
Wildfire risk
37.4
Hurricane risk
80.1
Earthquake risk
77.9
Tornado risk
74.7
Winter weather risk
90.4
Hail risk
76.5
Air Quality (EPA AQI)

County-level annual air quality from EPA. Good days = healthy to breathe; unhealthy = sensitive groups or worse.

43
Median AQI
75.8%
Good Days

Air quality healthy to breathe

0.4%
Unhealthy / Hazardous

Sensitive groups or worse

Climate & Weather in ZIP Code 20148

Climate normals for Brambleton CDP, VA show little to no average snow and around 45.1 inches of annual precipitation. Pair that with FEMA NRI hazard context (overall rating Relatively Low) when evaluating long-term housing and insurance exposure.

7-day weather forecast

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Sunrise, sunset & moon

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Monthly Temperature

30-year climate normals (avg. monthly temperature)

Climate Data
Hardiness Zone
7a
Annual Snow Days
0
Annual Precipitation
45.09 in
FEMA NRI rating
Relatively Low

Climate & Environment key statistics

Climate statistics
Climate
Hardiness zone7a
Annual precip (in)45.09
Snow days0
Broadband access97.7%
Risk & Air Quality statistics
Risk & Air Quality
NRI ratingRelatively Low
NRI risk index78.1
Flood risk (NRI)83.9
Wildfire risk (NRI)37.4
Hurricane risk (NRI)80.1
IRS net migration3590
Median AQI43
Good AQI days75.8%