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Portland city, OR

ZIP 97258 — Climate & Environment

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

Climate, disaster risk, air quality, and environmental safety

Environment & Risk in ZIP Code 97258

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 Portland city, OR as Relatively High (composite score 98.5), which is among the highest nationally. The strongest component scores on US5 are flood (95.5) and wildfire (67.3). 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 High
Risk index
98.5
Flood risk
95.5
Wildfire risk
67.3
Earthquake risk
99.6
Tornado risk
47.4
Winter weather risk
85.2
Hail risk
1.9
Air Quality (EPA AQI)

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

38
Median AQI
82.4%
Good Days

Air quality healthy to breathe

0.0%
Unhealthy / Hazardous

Sensitive groups or worse

Climate & Weather in ZIP Code 97258

Climate normals for Portland city, OR show limited published climate normals on US5. Pair that with FEMA NRI hazard context (overall rating Relatively High) 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

No monthly temperature data

Climate Data
Hardiness Zone
N/A
Annual Snow Days
N/A
Annual Precipitation
N/A
FEMA NRI rating
Relatively High

Climate & Environment key statistics

Risk & Air Quality statistics
Risk & Air Quality
NRI ratingRelatively High
NRI risk index98.5
Flood risk (NRI)95.5
Wildfire risk (NRI)67.3
Median AQI38
Good AQI days82.4%