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.

Fair

18°F

-8°C

Humidity 79%
Wind Speed N 12 mph
Barometer 30.26 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill5°F (-15°C)
Last update 21 Feb 9:55 am CST
Extended Forecast for

Newton IA

  • Today

    Today: Mostly cloudy, with a high near 23. Wind chill values as low as 5. Northwest wind 10 to 13 mph, with gusts as high as 18 mph.

    High: 23 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 9. Wind chill values as low as -5. Northwest wind 9 to 15 mph, with gusts as high as 25 mph.

    Low: 9 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 20. Wind chill values as low as -10. Blustery, with a northwest wind 14 to 18 mph, with gusts as high as 28 mph.

    High: 20 °F

    Mostly Sunny
    and Blustery

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 3. Wind chill values as low as -10. North northwest wind 9 to 13 mph, with gusts as high as 21 mph.

    Low: 3 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 19. North northwest wind 5 to 9 mph becoming calm in the afternoon.

    High: 19 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 8.

    Low: 8 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 26.

    Low: 26 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 23. Wind chill values as low as 5. Northwest wind 10 to 13 mph, with gusts as high as 18 mph.
Tonight
Mostly cloudy, with a low around 9. Wind chill values as low as -5. Northwest wind 9 to 15 mph, with gusts as high as 25 mph.
Sunday
Mostly sunny, with a high near 20. Wind chill values as low as -10. Blustery, with a northwest wind 14 to 18 mph, with gusts as high as 28 mph.
Sunday Night
Mostly clear, with a low around 3. Wind chill values as low as -10. North northwest wind 9 to 13 mph, with gusts as high as 21 mph.
Monday
Sunny, with a high near 19. North northwest wind 5 to 9 mph becoming calm in the afternoon.
Monday Night
Partly cloudy, with a low around 8.
Tuesday
Partly sunny, with a high near 40.
Tuesday Night
Partly cloudy, with a low around 26.
Wednesday
Partly sunny, with a high near 39.
Wednesday Night
Partly cloudy, with a low around 20.
Thursday
Mostly sunny, with a high near 40.
Thursday Night
Mostly clear, with a low around 27.
Friday
Mostly sunny, with a high near 51.
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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:
8:37 am CST Feb 21, 2026
Forecast Valid:
10am CST Feb 21, 2026-6pm CST Feb 27, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation