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

Today's forecast for Lancaster shows a high of 33 degrees and a low of 18 degrees Fahrenheit. Mostly sunny, with a high near 33.

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

The 7-day forecast for Lancaster shows highs from 23 to 36 degrees and lows from -5 to 31 degrees Fahrenheit. Expect precipitation on 3 days with chances of 20% or higher.

Will it rain in Lancaster, IA this week?

Yes, rain is possible in Lancaster this week. Precipitation chances: Saturday (70% chance), Tuesday (30% chance), Wednesday (30% chance).

How accurate is the Lancaster weather forecast?

WeatherForYou provides highly accurate Lancaster 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.

Lancaster, IA Weather Forecast and Current Conditions

Current Conditions From Nearby Station

Switch to Metric Units

14°F
Feels Like 5°F

Humidity 67% Dew Point 5°F Wind S 6 MPH Barometer N/A

Report from a MADIS/MESONET weather station 8.7 mi. WNW of central Lancaster
at 4:55 PM Thu, Dec 4, 2025

Point Forecast at a Glance

ThuDec 4

FriDec 5

SatDec 6

SunDec 7

-5

MonDec 8

TueDec 9

WedDec 10

30%

7-Day Temperature Trend

Week Ahead Summary

Variable high temperatures through the week, ranging from 23°F to 36°F. Some precipitation possible, including both rain and snow.

Climate Context

This week's forecast shows temperatures running 6°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

1786 - The first of two great early December storms began. The storm produced 18 inches of snow at Morristown NJ, and twenty inches of snow at New Haven CT. It also resulted in high tides at Nantucket which did great damage.

Lancaster, IA 7 Day Weather Forecast Details

Thursday Dec 4

Night: Partly cloudy, with a temperature rising to around 13 by 3am. Wind chill values as low as -5. South wind 5 to 10 mph.

Friday Dec 5

Day: Mostly sunny, with a high near 33. Wind chill values as low as zero. Southwest wind around 10 mph, with gusts as high as 20 mph.

Night: Mostly cloudy, with a low around 18. Southwest wind 5 to 10 mph becoming northwest after midnight.

Saturday Dec 6

Day: Partly sunny, with a high near 28. Northwest wind around 5 mph becoming east in the afternoon.

Night: Snow likely. Cloudy, with a low around 19. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

Sunday Dec 7

Day: Partly sunny, with a high near 23.

Night: Partly cloudy, with a low around -5.

Monday Dec 8

Day: Partly sunny, with a high near 27.

Night: Mostly cloudy, with a low around 19.

Tuesday Dec 9

Day: Partly sunny, with a high near 34.

Night: A 30 percent chance of rain. Cloudy, with a low around 31.

Wednesday Dec 10

Day: A 30 percent chance of rain. Mostly cloudy, with a high near 36.

Night: Mostly cloudy, with a low around 10.

Thursday Dec 11

Day: Partly sunny, with a high near 26.

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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