What is today's weather forecast for New Castle, IL?

Today's forecast for New Castle shows a high of 74 degrees and a low of 57 degrees Fahrenheit. Sunny, with a high near 74.

What is the 7-day weather forecast for New Castle, IL?

The 7-day forecast for New Castle shows highs from 52 to 74 degrees and lows from 31 to 57 degrees Fahrenheit. Expect precipitation on 4 days with chances of 20% or higher.

Will it rain in New Castle, IL this week?

Yes, rain is possible in New Castle this week. Precipitation chances: Monday (70% chance), Tuesday (30% chance), Wednesday (50% chance), Thursday (50% chance).

How accurate is the New Castle weather forecast?

WeatherForYou provides highly accurate New Castle 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.

New Castle, IL Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

76°F
Feels Like 76°F

Humidity 57% Dew Point 60°F Wind S 4 MPH Gusts 11 Barometer 29.23 in.742.4 mm

Solar Rad 227 w/m²

Report from a personal weather station 3.5 miles ESE of central New Castle
at 3:03 PM Fri, Nov 14, 2025

Point Forecast at a Glance

FriNov 14

SatNov 15

SunNov 16

MonNov 17

TueNov 18

30%

WedNov 19

ThuNov 20

50%

7-Day Temperature Trend

Week Ahead Summary

High temperatures drop from 74°F to a low of 52°F, then recover to 59°F by week's end. Unsettled weather expected with rain likely on at least 4 days.

Climate Context

This week's forecast shows temperatures running 8°F above the historical average for November. Normal highs for this period are around 52°F with lows around 33°F.

This Date in Weather History

1987 - The first major snowstorm of the season hit the Southern and Central Rockies, producing 12 inches at the Brian Head ski resort in Utah overnight. Strong and gusty winds associated with the storm reached 52 mph at Ruidoso NM. In the eastern U.S., the temperature at Washington D.C. soared to 68 degrees, just three days after being buried under more than a foot of snow.

New Castle, IL 7 Day Weather Forecast Details

Friday Nov 14

Day: Sunny, with a high near 74. South southwest wind 9 to 13 mph, with gusts as high as 18 mph.

Night: Increasing clouds, with a low around 57. South southwest wind 8 to 13 mph, with gusts as high as 22 mph.

Saturday Nov 15

Day: Mostly cloudy, then gradually becoming sunny, with a high near 74. Southwest wind 11 to 18 mph becoming west northwest in the afternoon. Winds could gust as high as 28 mph.

Night: Mostly clear, with a low around 37. North northwest wind 7 to 10 mph, with gusts as high as 17 mph.

Sunday Nov 16

Day: Sunny, with a high near 55. North northwest wind 6 to 8 mph.

Night: Mostly clear, with a low around 31. Northwest wind around 5 mph becoming calm in the evening.

Monday Nov 17

Day: Mostly sunny, with a high near 55. Light and variable wind becoming east southeast 5 to 8 mph in the morning.

Night: Rain likely. Mostly cloudy, with a low around 39. Chance of precipitation is 70%.

Tuesday Nov 18

Day: A 30 percent chance of rain before noon. Partly sunny, with a high near 52.

Night: Mostly cloudy, with a low around 34.

Wednesday Nov 19

Day: Partly sunny, with a high near 54.

Night: A chance of rain. Mostly cloudy, with a low around 40.

Thursday Nov 20

Day: Rain likely. Mostly cloudy, with a high near 59.

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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