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

75°F

24°C

Humidity 65%
Wind Speed S 8 mph
Barometer 30.06 in
Dewpoint 63°F (17°C)
Visibility 9.00 mi
Last update 3 Oct 7:35 pm CDT
Extended Forecast for

Newton IA

  • Tonight

    Tonight: Clear, with a low around 66. South wind around 7 mph.

    Low: 66 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 89. Breezy, with a south wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.

    High: 89 °F

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Clear, with a low around 63. South wind 11 to 14 mph, with gusts as high as 24 mph.

    Low: 63 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 86. Windy, with a south wind 14 to 22 mph, with gusts as high as 33 mph.

    High: 86 °F

    Sunny and
    Windy

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. South wind 7 to 10 mph becoming west after midnight. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 57 °F

    Showers
    Likely

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 67. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 67 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 66. South wind around 7 mph.
Saturday
Sunny, with a high near 89. Breezy, with a south wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 31 mph.
Saturday Night
Clear, with a low around 63. South wind 11 to 14 mph, with gusts as high as 24 mph.
Sunday
Sunny, with a high near 86. Windy, with a south wind 14 to 22 mph, with gusts as high as 33 mph.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. South wind 7 to 10 mph becoming west after midnight. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Monday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 67. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 71.
Thursday Night
Partly cloudy, with a low around 53.
Friday
Mostly sunny, with a high near 74.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Newton IA
 41.71°N 93.07°W
Last Update:
6:06 pm CDT Oct 3, 2025
Forecast Valid:
7pm CDT Oct 3, 2025-6pm CDT Oct 10, 2025
 
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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