What is today's weather forecast for Thornton, PA?

Today's forecast for Thornton shows a high of 35 degrees and a low of 22 degrees Fahrenheit. Mostly sunny, with a high near 35.

What is the 7-day weather forecast for Thornton, PA?

The 7-day forecast for Thornton shows highs from 28 to 52 degrees and lows from 16 to 30 degrees Fahrenheit. Expect precipitation on 3 days with chances of 20% or higher.

Will it rain in Thornton, PA this week?

Yes, rain is possible in Thornton this week. Precipitation chances: Saturday (90% chance), Sunday (40% chance), Thursday (30% chance).

How accurate is the Thornton weather forecast?

WeatherForYou provides highly accurate Thornton forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Thornton, PA Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

22°F
Feels Like 22°F

Humidity 69% Dew Point 13°F Wind Calm Barometer 29.99 in.

Report from a MADIS/MESONET weather station 0.2 mi. W of central Thornton
at 4:47 AM Fri, Dec 12, 2025

Point Forecast at a Glance

FriDec 12

SatDec 13

SunDec 14

40%

MonDec 15

TueDec 16

WedDec 17

ThuDec 18

30%

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures dip from 35°F to a low of 28°F mid-week, then warm to 52°F. Some precipitation possible with wintry mix on at least one day.

Climate Context

This week's forecast shows temperatures running 8°F below the historical average for December. Normal highs for this period are around 45°F with lows around 28°F.

This Date in Weather History

1882 - Portland, OR, was drenched with 7.66 inches of rain, a record 24 hour total for that location.

Thornton, PA 7 Day Weather Forecast Details

Friday Dec 12

Day: Mostly sunny, with a high near 35. West wind 5 to 10 mph, with gusts as high as 20 mph.

Night: Increasing clouds, with a low around 22. West wind around 5 mph becoming calm in the evening.

Saturday Dec 13

Day: Mostly cloudy, with a high near 40. Southwest wind 5 to 10 mph.

Night: A chance of rain and snow before 10pm, then snow. Low around 26. Southwest wind around 5 mph becoming northwest after midnight. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Sunday Dec 14

Day: A chance of snow, mainly before 10am. Partly sunny, with a high near 29. Northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%. New snow accumulation of around an inch possible.

Night: Partly cloudy, with a low around 16.

Monday Dec 15

Day: Mostly sunny, with a high near 28.

Night: Mostly cloudy, with a low around 19.

Tuesday Dec 16

Day: Mostly sunny, with a high near 32.

Night: Partly cloudy, with a low around 22.

Wednesday Dec 17

Day: Partly sunny, with a high near 41.

Night: Mostly cloudy, with a low around 30.

Thursday Dec 18

Day: A chance of showers. Mostly cloudy, with a high near 52. Chance of precipitation is 30%.

About Thornton, PA

Thornton is an unincorporated community spanning Thornbury Township, Concord Township and Middletown Township in Delaware County, Pennsylvania, United States. The George W. Hill Correctional Facility, located in the townships of Thornbury and Concord, has a Thornton postal address.

Content from Wikipedia, licensed under CC BY-SA 3.0.

How We Provide Better Local Weather

Current conditions: We use the nearest available station to your location - including professional MESONET/MADIS and local weather stations - often miles closer than regional airports.

Forecasts: National Weather Service point forecasts predict for your specific area, not broad regional zones, making them far more relevant to your location.

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