What is today's weather forecast for Beloit, IL?

Today's forecast for Beloit shows a low of 9 degrees Fahrenheit. Patchy freezing fog.

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

The 7-day forecast for Beloit shows highs from 25 to 42 degrees and lows from 7 to 28 degrees Fahrenheit. Expect precipitation on 2 days with chances of 20% or higher.

Will it rain in Beloit, IL this week?

Yes, rain is possible in Beloit this week. Precipitation chances: Wednesday (50% chance), Thursday (80% chance).

How accurate is the Beloit weather forecast?

WeatherForYou provides highly accurate Beloit 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.

Beloit, IL Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

10°F
Feels Like 10°F

Humidity 99% Dew Point 10°F Wind Calm Barometer 29.74 in.

Report from a personal weather station 1.9 mi. SSW of central Beloit
at 1:08 AM Tue, Dec 16, 2025

Point Forecast at a Glance

MonDec 15

TueDec 16

WedDec 17

ThuDec 18

80%

FriDec 19

SatDec 20

SunDec 21

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

Sharp cooling trend with high temperatures dropping from 34°F to 30°F, falling as low as 25°F. Some precipitation possible with wintry mix on at least one day.

Climate Context

Temperatures are expected to be near normal for this time of year, with highs around 33°F and lows around 18°F.

This Date in Weather History

1945 - A record December snowstorm buried Buffalo, NY, under 36.6 inches of snow, with unofficial totals south of the city ranging up to 70 inches. Travel was brought to a halt by the storm.

Beloit, IL 7 Day Weather Forecast Details

Monday Dec 15

Night: Patchy freezing fog. Partly cloudy, with a low around 9. Calm wind becoming south southeast around 5 mph.

Tuesday Dec 16

Day: Patchy freezing fog before 9am. Partly sunny, with a high near 34. South southwest wind 5 to 15 mph, with gusts as high as 25 mph.

Night: Cloudy, then gradually becoming partly cloudy, with a low around 26. West wind 5 to 15 mph, with gusts as high as 20 mph.

Wednesday Dec 17

Day: Mostly sunny, with a high near 35. West wind 5 to 10 mph becoming south southeast in the afternoon. Winds could gust as high as 15 mph.

Night: A 50 percent chance of rain after midnight. Mostly cloudy, with a low around 28. Breezy, with a south wind 10 to 20 mph, with gusts as high as 30 mph.

Thursday Dec 18

Day: Rain before noon, then a chance of rain and snow. High near 42. Breezy. Chance of precipitation is 80%.

Night: Mostly cloudy, with a low around 7. Breezy.

Friday Dec 19

Day: Partly sunny, with a high near 25.

Night: Mostly cloudy, with a low around 18.

Saturday Dec 20

Day: Mostly cloudy, with a high near 38.

Night: Partly cloudy, with a low around 16.

Sunday Dec 21

Day: Mostly sunny, with a high near 30.

Night: Mostly cloudy, with a low around 21.

Monday Dec 22

Day: Mostly cloudy, with a high near 35.

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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