Weather & Climate in Forksville, PA
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Forksville has a cool climate with an average annual temperature of 45°F (7°C). Winters average 22°F in January while summers reach 68°F in July. Annual precipitation totals 53.3 inches (wetter than the 38-inch national average). The area receives 69.7 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 1,080 feet.
Temperature
22°F Jan (-6°C)
68°F Jul (20°C)
| Annual Average | 45.0°F |
| 17% below US avg | |
| January Average | 22°F (-6°C) |
| July Average | 68°F (20°C) |
Geography
| Elevation | 1,080 ft (329 m) |
| Area | 1.6 sq mi (4.1 km²) |
| Population Density | 90/sq mi |
| Coordinates | 41.4896°N, 76.6028°W |
| Timezone | America/New_York |
| County | Sullivan County County |
| Nearest Airport | Williamsport Regional (IPT) 24 miles away |
Precipitation & Snow
Air Quality
Natural Hazard Risk
| Overall Risk | Very Low |
| Risk Score | 10.7 / 100 |
| Social Vulnerability | 72.2 / 100 |
| Community Resilience | 97.2 / 100 |
Hazard Breakdown
| Tornado | Very Low |
| Hurricane | Relatively Low |
| Earthquake | Very Low |
| Wildfire | Very Low |
| Flood | Relatively Low |
| Hail | Very Low |
| Strong Wind | Very Low |
| Heat Wave | Very Low |
| Winter Weather | Relatively Low |
| Lightning | Very Low |
| Ice Storm | Very Low |
| Drought | No Rating |
| Cold Wave | Very Low |
| Landslide | Relatively Low |
| Avalanche | Very Low |
Source: FEMA National Risk Index v1.20 (Dec 2025)
Earthquake History
11 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.
| Jan 16, 1994 | 2 km W of Sinking Spring, Pennsylvania | M4.6 | 137 km | 5 km |
| Jan 16, 1994 | 0 km E of Sinking Spring, Pennsylvania | M4.2 | 139 km | 5 km |
| Jun 13, 2019 | 9 km N of Blain, Pennsylvania | M3.4 | 141 km | 27 km |
| Feb 3, 2001 | 6 km W of Bath, New York | M3.2 | 116 km | 0 km |
| Jan 16, 1994 | 0 km SSE of Sinking Spring, Pennsylvania | M2.9 | 139 km | 5 km |
| Jun 10, 2025 | 10 km NW of Forksville, Pennsylvania | M2.8 | 10 km | 8 km |
| May 10, 1993 | 1 km NW of Whitfield, Pennsylvania | M2.8 | 136 km | 5 km |
| Jan 18, 1994 | 3 km SE of Clay, Pennsylvania | M2.6 | 147 km | 5 km |
| Oct 28, 1996 | 2 km W of Reinholds, Pennsylvania | M2.6 | 141 km | 5 km |
| May 7, 1994 | 2 km SW of Sinking Spring, Pennsylvania | M2.5 | 139 km | 5 km |
| Jan 8, 1995 | 1 km WSW of Montrose Manor, Pennsylvania | M2.5 | 142 km | 5 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
1 hurricane (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 1985 | Gloria | Category 1 | 86 mph | 294 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Tornado History
211 tornadoes (EF0+) recorded within 100 km since 1950. Strongest on record: EF3. Total: 10 fatalities, 148 injuries.
| Date | Rating | Distance | Path | Fatalities |
| Jun 2, 1998 | EF3 | 48 km | 26.0 mi | 2 |
| May 31, 1998 | EF3 | 75 km | 62.0 mi | 0 |
| May 31, 1985 | EF3 | 57 km | 19.0 mi | 6 |
| May 2, 1983 | EF3 | 60 km | 15.0 mi | 0 |
| May 2, 1983 | EF3 | 57 km | 2.0 mi | 0 |
| Jul 29, 1976 | EF3 | 64 km | 25.0 mi | 0 |
| Aug 30, 1955 | EF3 | 97 km | 1.0 mi | 0 |
| Apr 14, 2019 | EF2 | 37 km | 3.7 mi | 0 |
| Oct 2, 2018 | EF2 | 48 km | 2.2 mi | 0 |
| Jun 13, 2018 | EF2 | 26 km | 5.2 mi | 0 |
| Jun 13, 2018 | EF2 | 69 km | 2.9 mi | 0 |
| Feb 25, 2017 | EF2 | 75 km | 12.5 mi | 0 |
| Jul 8, 2014 | EF2 | 12 km | 6.7 mi | 0 |
| Apr 27, 2011 | EF2 | 77 km | 0.9 mi | 0 |
| Dec 1, 2006 | EF2 | 63 km | 20.0 mi | 0 |
| Jul 15, 1992 | EF2 | 85 km | 1.5 mi | 0 |
| Sep 18, 1991 | EF2 | 95 km | 4.0 mi | 0 |
| Aug 28, 1988 | EF2 | 45 km | 1.5 mi | 0 |
| Jul 6, 1984 | EF2 | 44 km | 0.3 mi | 0 |
| May 2, 1983 | EF2 | 86 km | 9.8 mi | 0 |
Source: NOAA Storm Prediction Center (EF0+, 1950-2024, US only).
Wildfire History
6 wildfires (100+ acres) recorded within 100 km. Largest: PENOBSCOT (2,091 acres, 2009).
| Year | Name | Acres Burned | Distance |
| 2009 | PENOBSCOT | 2,091 | 70 km |
| 2008 | BULL RUN | 2,003 | 70 km |
| 2004 | CRYSTAL LAKE | 1,838 | 74 km |
| 2009 | WOODRUFF | 757 | 80 km |
| 2015 | PIPELINE 1 | 666 | 87 km |
| 2006 | OKOME ROAD | 573 | 67 km |
Source: NIFC/IRWIN Wildfire Records (100+ acres).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 22°F (-6°C) | 4.5 in | Coldest |
| February | 23°F (-5°C) | 3.1 in | Driest |
| March | 31°F (-0°C) | 3.8 in | |
| April | 43°F (6°C) | 4.2 in | |
| May | 55°F (13°C) | 4.6 in | |
| June | 63°F (17°C) | 4.7 in | |
| July | 68°F (20°C) | 5.3 in | Warmest, Wettest |
| August | 66°F (19°C) | 5.1 in | |
| September | 59°F (15°C) | 5.3 in | |
| October | 47°F (8°C) | 4.6 in | |
| November | 37°F (3°C) | 3.8 in | |
| December | 27°F (-3°C) | 4.4 in |
Forksville has a seasonal temperature swing of 46°F / from 22°F in January to 68°F in July. Total annual precipitation is 53.3 inches, with July being the wettest month (5.3") and February the driest (3.1").