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Clarkston Heights-Vineland CDP, WA

ZIP 99403 — Climate & Environment

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

Middle ClassLow Snow Area

Climate, disaster risk, air quality, and environmental safety

Environment & Risk in ZIP Code 99403

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 Clarkston Heights-Vineland CDP, WA as Very Low (composite score 17.9), which is relatively lower than many U.S. communities. The strongest component scores on US5 are wildfire (89.4) and flood (38.5). 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
Very Low
Risk index
17.9
Flood risk
38.5
Wildfire risk
89.4
Earthquake risk
32.7
Tornado risk
6.9
Winter weather risk
19.5
Hail risk
7.0
Air Quality (EPA AQI)

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

35
Median AQI
73.8%
Good Days

Air quality healthy to breathe

0.8%
Unhealthy / Hazardous

Sensitive groups or worse

Climate & Weather in ZIP Code 99403

Climate normals for Clarkston Heights-Vineland CDP, WA show little to no average snow and around 12.9 inches of annual precipitation. Pair that with FEMA NRI hazard context (overall rating Very 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
7b
Annual Snow Days
0
Annual Precipitation
12.87 in
FEMA NRI rating
Very Low

Climate & Environment key statistics

Climate statistics
Climate
Hardiness zone7b
Annual precip (in)12.87
Snow days0
Broadband access86.7%
Risk & Air Quality statistics
Risk & Air Quality
NRI ratingVery Low
NRI risk index17.9
Flood risk (NRI)38.5
Wildfire risk (NRI)89.4
IRS net migration1100
Median AQI35
Good AQI days73.8%