Sign In Register

West Middlesex, PA

Full City Profile · Pennsylvania · Mercer County County

3.2 /5.0
B Good
1,063 Population 1,251/sq mi density
$82,500 Median Income $36,259 per capita
$156,100 Home Value $184,743 Zillow
$792 Median Rent 20.2% income on rent
51°F Avg Temperature 275 sunny days/yr
161 Violent Crime/100K 2,695 property/100K
B
Overall
3.2 / 5.0
Good overall score based on economy, affordability, safety and education
A
Economy
4.3 / 5.0
$82,500 median income, 4.2% unemployment
A+
Affordability
5.0 / 5.0
$156,100 home value, $792/mo rent
F
Safety
1.0 / 5.0
161 violent crimes/100K
C+
Education
2.6 / 5.0
20.3% bachelor's degree or higher
West Middlesex experiences four distinct seasons with an average annual temperature of 51°F (11°C). Winters average 28°F in January while summers reach 73°F in July. The area gets 275 sunny days per year. Annual precipitation totals 41.8 inches. The area receives 27.5 inches of snow annually. Air quality is rated Good with a median AQI of 40.

Temperature

28°F Jan (-2°C) 73°F Jul (23°C)
Annual Average51.1°F
5% below US avg
January Average28°F (-2°C)
July Average73°F (23°C)
Sunny Days275 days/yr

Geography

Elevation862 ft (263 m)
Area0.3 sq mi (0.8 km²)
Population Density1,251/sq mi
Coordinates41.1742°N, 80.4555°W
TimezoneAmerica/New_York
CountyMercer County County
Nearest AirportYoungstown/Warren Regional (YNG)
13 miles away

Precipitation & Snow

Annual Rainfall 41.8"
10% above US avg
Snowfall 27.5"
Wettest Month (Jun) 4.33"
Driest Month (Feb) 2.01"

Air Quality

AQI Median40.0
RatingGood

Air Pollutants (EPA 2023)

Ozone (O₃)0.0452 ppm
PM2.5 (Fine Particles)8.0 μg/m³

Natural Hazard Risk

Overall RiskRelatively Low
Risk Score77.7 / 100
Social Vulnerability54.8 / 100
Community Resilience75.5 / 100

Hazard Breakdown

Tornado Relatively Low
Hurricane Relatively Low
Earthquake Very Low
Wildfire Very Low
Flood Relatively Moderate
Hail Relatively Moderate
Strong Wind Relatively Moderate
Heat Wave Very Low
Winter Weather Relatively Moderate
Lightning Relatively High
Ice Storm Relatively Low
Drought No Rating
Cold Wave Very Low
Landslide Very Low
Source: FEMA National Risk Index v1.20 (Dec 2025)

Earthquake History

37 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.5. Most recent: M2.5 on May 12, 2025.

Sep 25, 1998 2 km SW of Adamsville, Pennsylvania M4.5 36 km
Jun 10, 2019 1 km NW of Timberlake, Ohio M4.0 101 km
Jan 26, 2001 8 km NNW of Edgewood, Ohio M3.9 90 km
Mar 12, 2007 Ohio M3.7 78 km
Jun 30, 2003 6 km NW of Perry, Ohio M3.6 93 km
Oct 16, 1993 8 km SSE of Madison, Ohio M3.6 75 km
Aug 28, 2023 7 km SE of Madison, Ohio M3.6 75 km
Jun 20, 2006 9 km WNW of North Perry, Ohio M3.5 98 km
Mar 15, 1992 15 km NW of North Perry, Ohio M3.5 105 km
Jan 26, 1991 1 km NNE of Mayfield Heights, Ohio M3.4 93 km
Jun 3, 2001 3 km N of Edgewood, Ohio M3.4 85 km
Jun 30, 2004 2 km WNW of Madison, Ohio M3.3 85 km
Jul 1, 2013 5 km NNW of Fairport Harbor, Ohio M3.2 98 km
Jan 9, 2008 6 km WNW of Mentor-on-the-Lake, Ohio M3.1 101 km
Mar 11, 2006 8 km NNW of Mentor-on-the-Lake, Ohio M3.1 103 km
Mar 30, 2024 2 km SSW of Maple Ridge, Ohio M3.0 59 km
Jun 5, 2011 5 km W of Lodi, Ohio M3.0 137 km
Apr 25, 2010 2 km WNW of Madison, Ohio M3.0 85 km
Aug 7, 2000 2 km S of Limaville, Ohio M2.9 63 km
Feb 23, 1995 3 km W of Ashtabula, Ohio M2.9 83 km
Source: USGS (M2.5+, 1990–2025)

Tornado History

330 tornadoes (EF0+) within 100 km since 1950. Strongest: EF5. Total: 73 fatalities, 1,142 injuries.

Date Rating Distance Fatalities
May 31, 1985 EF5 58 km 18
May 31, 1985 EF4 73 km 12
May 31, 1985 EF4 81 km 7
May 31, 1985 EF4 94 km 0
May 31, 1985 EF4 34 km 16
Jun 3, 1980 EF4 84 km 0
Jul 12, 1992 EF3 86 km 0
May 31, 1985 EF3 39 km 9
May 31, 1985 EF3 82 km 0
May 31, 1985 EF3 64 km 2
May 31, 1985 EF3 99 km 0
May 31, 1985 EF3 54 km 0
Oct 12, 1978 EF3 57 km 0
Jun 3, 1973 EF3 82 km 0
May 2, 1972 EF3 38 km 0
Jun 2, 1971 EF3 82 km 0
Sep 29, 1966 EF3 96 km 0
Aug 5, 1956 EF3 21 km 2
Mar 1, 1955 EF3 21 km 1
May 7, 2024 EF2 72 km 0
Source: NOAA SPC (EF0+, 1950–2024)

Tsunami History

1 tsunami recorded within 500 km. Highest wave on record: 2.7 m (9 ft).

Year Location Cause Max Wave Deaths Distance
1823 LAKE ERIE Unknown 2.7 m 132 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Wildfire History

1 wildfire (100+ acres) within 100 km. Largest: UNNAMED (628 ac, 1990).

Year Name Acres Distance
1990 UNNAMED 628 91 km
Source: NIFC/IRWIN (100+ acres)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 28°F (-2°C) 2.2 in
February 28°F (-3°C) 2.0 in Coldest, Driest
March 37°F (3°C) 3.0 in
April 47°F (9°C) 3.4 in
May 58°F (14°C) 3.7 in
June 66°F (19°C) 4.3 in Wettest
July 73°F (23°C) 4.2 in Warmest
August 69°F (21°C) 3.7 in
September 62°F (17°C) 4.0 in
October 51°F (11°C) 2.9 in
November 41°F (5°C) 3.3 in
December 31°F (-1°C) 3.0 in

West Middlesex has a seasonal temperature swing of 46°F / from 28°F in February to 73°F in July. Total annual precipitation is 39.6 inches, with June being the wettest month (4.3") and February the driest (2.0").

View full weather details →