What is today's weather forecast for Westport, WI?

Today's forecast for Westport shows a low of 4 degrees Fahrenheit. Mostly cloudy, with a low around 4.

What is the 7-day weather forecast for Westport, WI?

The 7-day forecast for Westport shows highs from 7 to 44 degrees and lows from -11 to 26 degrees Fahrenheit. Expect precipitation on 3 days with chances of 20% or higher.

Will it rain in Westport, WI this week?

Yes, rain is possible in Westport this week. Precipitation chances: Friday (60% chance), Saturday (20% chance), Wednesday (30% chance).

How accurate is the Westport weather forecast?

WeatherForYou provides highly accurate Westport 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.

Westport, WI Weather Forecast and Current Conditions

Current Conditions From Nearby Local Station

Switch to Metric Units

14°F
Feels Like 14°F

Humidity 92% Dew Point 12°F Wind Calm Barometer 30.09 in.

Visibility 9 mi.

Report from a NOAA weather station 4.4 mi. SSW of central Westport
at 12:53 AM Fri, Dec 12, 2025

Point Forecast at a Glance

ThuDec 11

FriDec 12

60%

-3

SatDec 13

20%

-11

SunDec 14

-6

MonDec 15

TueDec 16

WedDec 17

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures dip from 27°F to a low of 7°F mid-week, then warm to 44°F. Some precipitation possible, including both rain and snow.

Climate Context

This week's forecast shows temperatures running 5°F below the historical average for December. Normal highs for this period are around 32°F with lows around 16°F.

This Date in Weather History

1988 - Arctic cold invaded the central and eastern U.S. Sault Ste Marie MI reported a record low of 14 degrees below zero, and International Falls MN was the cold spot in the nation with a low of 25 degrees below zero. Temperatures remained below zero all day over parts of eastern Upper Michigan and northern New England.

Westport, WI 7 Day Weather Forecast Details

Thursday Dec 11

Night: Mostly cloudy, with a low around 4. Calm wind.

Friday Dec 12

Day: Snow likely with a chance of flurries before 2pm, then a chance of snow between 2pm and 4pm. Mostly cloudy, with a high near 27. Light and variable wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Night: Mostly cloudy, with a low around -3. Wind chill values as low as -16. Northwest wind 8 to 13 mph, with gusts as high as 24 mph.

Saturday Dec 13

Day: A 20 percent chance of snow. Cloudy, then gradually becoming mostly sunny, with a high near 7. Wind chill values as low as -14. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.

Night: Mostly clear, with a low around -11. Northwest wind 6 to 8 mph.

Sunday Dec 14

Day: Sunny, with a high near 8. Northwest wind around 6 mph becoming light and variable in the afternoon.

Night: Partly cloudy, with a low around -6. Light southwest wind becoming south 5 to 10 mph in the evening. Winds could gust as high as 20 mph.

Monday Dec 15

Day: Mostly sunny, with a high near 25. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

Night: Mostly cloudy, with a low around 8. Light south wind.

Tuesday Dec 16

Day: Mostly cloudy, with a high near 37. Light south wind increasing to 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

Night: Mostly cloudy, with a low around 24. Southwest wind 5 to 8 mph.

Wednesday Dec 17

Day: Mostly cloudy, with a high near 44. South wind 5 to 10 mph, with gusts as high as 18 mph.

Night: A 30 percent chance of rain. Mostly cloudy, with a low around 26. South wind 7 to 9 mph becoming west after midnight.

Thursday Dec 18

Day: Mostly sunny, with a high near 39. West wind 9 to 14 mph, with gusts as high as 22 mph.

About Westport, WI

Westport is a town in Dane County, Wisconsin, United States. The population was 4,183 at the 2020 census. It is a suburb of Madison.

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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