What is today's weather forecast for Knoxville, IA?

Today's forecast for Knoxville shows a low of -9 degrees Fahrenheit. Mostly clear, with a low around -9.

What is the 7-day weather forecast for Knoxville, IA?

The 7-day forecast for Knoxville shows highs from 13 to 36 degrees and lows from -9 to 26 degrees Fahrenheit. Expect precipitation on 1 day with chances of 20% or higher.

Will it rain in Knoxville, IA this week?

Yes, rain is possible in Knoxville this week. Precipitation chances: Saturday (40% chance).

How accurate is the Knoxville weather forecast?

WeatherForYou provides highly accurate Knoxville 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.

Knoxville, IA Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

5°F
Feels Like -6°F

Humidity 71% Dew Point -2°F Wind NNW 6 MPH Barometer 30.4 in.

Visibility 10 mi.

Report from a NOAA weather station 2.6 mi. S of central Knoxville
at 1:55 AM Thu, Dec 4, 2025

Point Forecast at a Glance

WedDec 3

-9

ThuDec 4

FriDec 5

SatDec 6

20%

SunDec 7

-1

MonDec 8

TueDec 9

7-Day Temperature Trend

Week Ahead Summary

High temperatures climb from 13°F to a high of 35°F by week's end. Mostly dry conditions with only one day showing snow chances.

Climate Context

This week's forecast shows temperatures running 9°F below the historical average for December. Normal highs for this period are around 36°F with lows around 18°F.

This Date in Weather History

1982 - The temperature in New York City's Central Park reached 72 degrees to establish a record high for December. The month as a whole was also the warmest of record.

Knoxville, IA 7 Day Weather Forecast Details

Wednesday Dec 3

Night: Mostly clear, with a low around -9. Wind chill values as low as -20. Northwest wind 5 to 7 mph.

Thursday Dec 4

Day: Sunny, with a high near 13. Wind chill values as low as -15. Calm wind becoming south 5 to 8 mph in the afternoon.

Night: Mostly clear, with a temperature rising to around 16 by 3am. Wind chill values as low as -5. South southwest wind 8 to 11 mph, with gusts as high as 20 mph.

Friday Dec 5

Day: Partly sunny, with a high near 30. Wind chill values as low as 5. West southwest wind 7 to 9 mph.

Night: Mostly cloudy, with a low around 19. West wind around 6 mph.

Saturday Dec 6

Day: A 20 percent chance of snow after noon. Mostly cloudy, with a high near 29.

Night: A 40 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 10.

Sunday Dec 7

Day: Partly sunny, with a high near 21.

Night: Mostly cloudy, with a low around -1.

Monday Dec 8

Day: Partly sunny, with a high near 28.

Night: Partly cloudy, with a low around 19.

Tuesday Dec 9

Day: Partly sunny, with a high near 35.

Night: Mostly cloudy, with a low around 26.

Wednesday Dec 10

Day: Partly sunny, with a high near 36.

About Knoxville, IA

Knoxville is a city in and the county seat of Marion County, Iowa, United States. The population was 7,595 at the time of the 2020 census, an increase from 7,313 in the 2010 census. Knoxville is home of the National Sprint Car Hall of Fame & Museum, located next to the Knoxville Raceway dirt track. Knoxville is located 4 miles south of Lake Red Rock and Elk Rock State Park.

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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