Weather in New Castle, PA
Updated 2026-09-26 12:00 local time · ZIP codes 16101, 16102, 16105
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
62°14% rain64°13% rain
66°3% rain67°2% rain67°13% rain
64°12% rain61°17% rain60°20% rain
56°25% rain55°25% rain54°26% rain
53°20% 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 26%).
It feels like 55°F with winds near 11 mph.
67°F, 2% rain chance and 12 mph wind.
Visibility is around 6 mi; gusts may reach 23 mph.
Current temperature is 62°F, wind 11 mph, rain chance up to 26%.
UV index is 4. Sunscreen and sunglasses are sensible for longer outdoor time.
Local weather characteristics in New Castle
Pennsylvania has four seasons and varied terrain. Western and northern areas are generally cooler and snowier, while southeastern areas are often milder.
New Castle is part of the Northeast weather region. The forecast point is near 41.00°N latitude and 80.35°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.
New Castle weather today
Overcast and 62°F in New Castle, PA. Today's high is 67°F with a 16% rain chance. Winds are around 11 mph with gusts near 16 mph. Relative humidity is 59%, pressure is 30.11 inHg, and visibility is about 6 miles.
Tonight and tomorrow in New Castle
Sunrise is at 07:13 AM and sunset is at 07:12 PM. Tomorrow's forecast calls for Overcast with a high near 66°F and a low near 50°F. The maximum rain chance is 14%.