Weather in Lemont, PA
Updated 2026-09-26 11:00 local time · ZIP codes 16851
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
60°15% rain63°14% rain62°13% rain61°15% rain63°13% rain65°12% rain62°14% rain61°15% rain61°15% rain
59°17% rain57°17% rain57°16% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 17%).
It feels like 53°F with winds near 11 mph.
65°F, 12% rain chance and 12 mph wind.
Visibility is around 6 mi; gusts may reach 28 mph.
Current temperature is 60°F, wind 11 mph, rain chance up to 17%.
UV index is 3. Sunscreen and sunglasses are sensible for longer outdoor time.
Local weather characteristics in Lemont
Pennsylvania has four seasons and varied terrain. Western and northern areas are generally cooler and snowier, while southeastern areas are often milder.
Lemont is part of the Northeast weather region. The forecast point is near 40.81°N latitude and 77.82°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Lemont weather today
Overcast and 60°F in Lemont, PA. Today's high is 65°F with a 12% rain chance. Winds are around 11 mph with gusts near 21 mph. Relative humidity is 62%, pressure is 30.02 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Lemont
Sunrise is at 07:02 AM and sunset is at 07:02 PM. Tomorrow's forecast calls for Light drizzle with a high near 57°F and a low near 51°F. The maximum rain chance is 78%.