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

68°F

20°C

Humidity 35%
Wind Speed W 5 mph
Barometer 29.64 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 9 Mar 1:55 pm CDT
Extended Forecast for

Newton IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 71. West southwest wind around 8 mph.

    High: 71 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 44. Calm wind becoming east southeast around 6 mph after midnight.

    Low: 44 °F

    Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 67. Northeast wind 6 to 10 mph.

    High: 67 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 36. North wind 10 to 14 mph, with gusts as high as 21 mph. New precipitation amounts of less than a tenth of an inch possible.

    Low: 36 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 20 percent chance of rain before 1pm. Partly sunny, with a high near 48. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 29 mph.

    High: 48 °F

    Slight Chance
    Rain and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

  • Thursday

    Thursday: Partly sunny, with a high near 56. Windy.

    High: 56 °F

    Mostly Sunny
    then Mostly
    Cloudy and
    Windy

  • Thursday Night

    Thursday Night: A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 36. Breezy.

    Low: 36 °F

    Chance Rain
    and Breezy

  • Friday

    Friday: Mostly cloudy, with a high near 50.

    High: 50 °F

    Mostly Cloudy

Detailed Forecast

This Afternoon
Sunny, with a high near 71. West southwest wind around 8 mph.
Tonight
Clear, with a low around 44. Calm wind becoming east southeast around 6 mph after midnight.
Tuesday
Increasing clouds, with a high near 67. Northeast wind 6 to 10 mph.
Tuesday Night
A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 36. North wind 10 to 14 mph, with gusts as high as 21 mph. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 20 percent chance of rain before 1pm. Partly sunny, with a high near 48. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 29 mph.
Wednesday Night
Mostly clear, with a low around 27.
Thursday
Partly sunny, with a high near 56. Windy.
Thursday Night
A 30 percent chance of rain before 1am. Mostly cloudy, with a low around 36. Breezy.
Friday
Mostly cloudy, with a high near 50.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
Mostly cloudy, with a high near 56.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 34. Breezy.
Sunday
A chance of rain and snow. Mostly cloudy, with a high near 42. Windy. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Newton IA
 41.69°N 93.04°W
Last Update:
1:46 pm CDT Mar 9, 2026
Forecast Valid:
2pm CDT Mar 9, 2026-6pm CDT Mar 15, 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