National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Newton Municipal Airport - Earl Johnson Field (KTNU)

Lat: 41.67°NLon: 93.02°WElev: 945ft.

Overcast

28°F

-2°C

Humidity 64%
Wind Speed Calm
Barometer 30.35 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 4 Feb 7:35 pm CST
Extended Forecast for

Newton IA

  • Tonight

    Tonight: Cloudy, with a low around 22. Calm wind becoming south southwest 5 to 8 mph after midnight.

    Low: 22 °F

    Cloudy

  • Thursday

    Thursday: Cloudy, then gradually becoming mostly sunny, with a high near 43. South southwest wind 8 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.

    High: 43 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 30. West wind 6 to 15 mph, with gusts as high as 24 mph.

    Low: 30 °F

    Partly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 42. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 42 °F

    Increasing
    Clouds and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 18. North northwest wind 5 to 11 mph becoming east northeast after midnight. Winds could gust as high as 18 mph.

    Low: 18 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 36.

    High: 36 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 31.

    Low: 31 °F

    Partly Cloudy

Detailed Forecast

Tonight
Cloudy, with a low around 22. Calm wind becoming south southwest 5 to 8 mph after midnight.
Thursday
Cloudy, then gradually becoming mostly sunny, with a high near 43. South southwest wind 8 to 11 mph becoming northwest in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
Partly cloudy, with a low around 30. West wind 6 to 15 mph, with gusts as high as 24 mph.
Friday
Increasing clouds, with a high near 42. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Friday Night
Partly cloudy, with a low around 18. North northwest wind 5 to 11 mph becoming east northeast after midnight. Winds could gust as high as 18 mph.
Saturday
Mostly sunny, with a high near 36.
Saturday Night
Mostly cloudy, with a low around 26.
Sunday
Sunny, with a high near 48.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 57.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Mostly sunny, with a high near 52.
Tuesday Night
Partly cloudy, with a low around 31.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 44.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Newton IA
 41.69°N 93.04°W
Last Update:
7:27 pm CST Feb 4, 2026
Forecast Valid:
8pm CST Feb 4, 2026-6pm CST Feb 11, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation