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Williamsport city, PA

ZIP 17701 — Climate & Environment

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

Working ClassLow Snow Area

Climate, disaster risk, air quality, and environmental safety

Environment & Risk in ZIP Code 17701

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 Williamsport city, PA as Relatively Low (composite score 79.6), which is elevated versus much of the country. The strongest component scores on US5 are flood (89.0) and hurricane (75.1). 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
79.6
Flood risk
89.0
Wildfire risk
26.9
Hurricane risk
75.1
Earthquake risk
48.4
Tornado risk
50.4
Winter weather risk
89.0
Hail risk
17.0
Air Quality (EPA AQI)

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

43
Median AQI
73.4%
Good Days

Air quality healthy to breathe

0.5%
Unhealthy / Hazardous

Sensitive groups or worse

Climate & Weather in ZIP Code 17701

Climate normals for Williamsport city, PA show little to no average snow and around 43.5 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
6a
Annual Snow Days
0
Annual Precipitation
43.52 in
FEMA NRI rating
Relatively Low

Climate & Environment key statistics

Climate statistics
Climate
Hardiness zone6a
Annual precip (in)43.52
Snow days0
Broadband access88.5%
Risk & Air Quality statistics
Risk & Air Quality
NRI ratingRelatively Low
NRI risk index79.6
Flood risk (NRI)89.0
Wildfire risk (NRI)26.9
Hurricane risk (NRI)75.1
IRS net migration1966
Median AQI43
Good AQI days73.4%