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

Today's forecast for Dayton shows a low of 18 degrees Fahrenheit. Cloudy, with a steady temperature around 18.

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

The 7-day forecast for Dayton shows highs from 4 to 39 degrees and lows from -16 to 25 degrees Fahrenheit. Expect precipitation on 2 days with chances of 20% or higher.

Will it rain in Dayton, IA this week?

Yes, rain is possible in Dayton this week. Precipitation chances: Friday (40% chance), Saturday (80% chance).

How accurate is the Dayton weather forecast?

WeatherForYou provides highly accurate Dayton 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.

Dayton, IA Weather Forecast and Current Conditions

Current Conditions From Nearby Station

Switch to Metric Units

21°F
Feels Like 21°F

Humidity 96% Dew Point 20°F Wind Calm Barometer 30.04 in.

Report from a personal weather station 13.7 mi. SW of central Dayton
at 1:25 AM Fri, Dec 12, 2025

Point Forecast at a Glance

ThuDec 11

FriDec 12

SatDec 13

80%

-16

SunDec 14

-4

MonDec 15

TueDec 16

WedDec 17

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures dip from 23°F to a low of 4°F mid-week, then warm to 39°F. Some snow possible with at least 2 days showing precipitation chances of 20% or higher.

Climate Context

This week's forecast shows temperatures running 7°F below the historical average for December. Normal highs for this period are around 32°F with lows around 15°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.

Dayton, IA 7 Day Weather Forecast Details

Thursday Dec 11

Night: Cloudy, with a steady temperature around 18. Wind chill values as low as 10. Light and variable wind becoming northwest around 6 mph.

Friday Dec 12

Day: Mostly cloudy, with a high near 23. Wind chill values as low as zero. Northwest wind 6 to 14 mph, with gusts as high as 21 mph.

Night: A 40 percent chance of snow after midnight. Mostly cloudy, with a low around 1. Wind chill values as low as -10. North northwest wind 7 to 10 mph. New snow accumulation of less than a half inch possible.

Saturday Dec 13

Day: Snow, mainly before noon. High near 4. Wind chill values as low as -15. North northwest wind 7 to 10 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Night: Mostly clear, with a low around -16. Northwest wind 6 to 8 mph.

Sunday Dec 14

Day: Sunny and cold, with a high near 7.

Night: Mostly clear, with a low around -4.

Monday Dec 15

Day: Mostly sunny, with a high near 30.

Night: Partly cloudy, with a low around 15.

Tuesday Dec 16

Day: Partly sunny, with a high near 37.

Night: Mostly cloudy, with a low around 25.

Wednesday Dec 17

Day: Mostly cloudy, with a high near 39.

Night: Mostly cloudy, with a low around 23.

Thursday Dec 18

Day: Mostly sunny, with a high near 34.

About Dayton, IA

Dayton is a city in Webster County, Iowa, United States. The population was 772 at the time of the 2020 census.

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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