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

Today's forecast for New Castle shows a high of 59 degrees and a low of 47 degrees Fahrenheit. A chance of rain showers.

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

The 7-day forecast for New Castle shows highs from 57 to 65 degrees and lows from 35 to 47 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: Sunday (30% chance), Monday (41% chance), Tuesday (56% chance), Wednesday (46% 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

51°F
Feels Like 51°F

Humidity 64% Dew Point 40°F Wind SSE 3 MPH Gusts 6 Barometer 29.64 in.752.9 mm

Solar Rad 404 w/m2

Report from a personal weather station 3.5 miles ESE of central New Castle
at 9:57 AM Sat, Oct 25, 2025

Current Conditions From Nearby Local Station

51°F
Feels Like 51°F

Humidity 64% Dew Point 40°F Wind SSE 3 MPH Gusts 6 Barometer 29.64 in.752.9 mm

Solar Rad 404 w/m2

Report from a personal weather station 3.5 miles ESE of central New Castle
at 9:57 AM Sat, Oct 25, 2025

Point Forecast at a Glance

SatOct 25

59°

47°

SunOct 26

20%

65°

44°

MonOct 27

30%

63°

44°

TueOct 28

60%

57°

41°

WedOct 29

50%

57°

37°

ThuOct 30

20%

58°

38°

FriOct 31

58°

35°

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 57°F to 65°F. Unsettled weather expected with rain likely on at least 5 days.

Climate Context

This week's forecast shows temperatures running 7°F below the historical average for October. Normal highs for this period are around 67°F with lows around 44°F.

This Date in Weather History

1981 - A northbound tornado caused two million dollars damage to Bountstown, FL, in less than five minutes. Fortunately no deaths occurred along its six mile path, which was 30 to 100 yards in width. Radar at Apalachicola had no indication of a tornado or severe weather.

New Castle 7 Day Weather Forecast Details

Saturday Oct 25

Day: A chance of rain showers. Cloudy, with a high near 59. East wind around 8 mph.

Night: A chance of rain showers before 1am. Cloudy, with a low around 47. East wind around 8 mph, with gusts as high as 16 mph.

Sunday Oct 26

Day: A slight chance of rain showers after 1pm. Partly sunny, with a high near 65. East wind around 12 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

Night: A chance of rain showers. Mostly cloudy, with a low around 44. East wind around 9 mph. Chance of precipitation is 30%.

Monday Oct 27

Day: A chance of rain showers. Partly sunny, with a high near 63. East wind around 12 mph, with gusts as high as 18 mph. Chance of precipitation is 30%.

Night: A chance of rain showers. Mostly cloudy, with a low around 44. East wind around 10 mph, with gusts as high as 16 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

Tuesday Oct 28

Day: Rain showers likely. Mostly cloudy, with a high near 57. East wind around 10 mph, with gusts as high as 16 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

Night: Rain showers likely. Mostly cloudy, with a low around 41. Chance of precipitation is 60%.