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

31°C

88°F

Humidity 43%
Wind Speed S 19 G 28 km/h
Barometer 30.13 in
Dewpoint 17°C (63°F)
Visibility 14 km
Heat Index32°C (89°F)
Last update 3 Oct 1:35 pm CDT
Extended Forecast for

Newton IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 32. South wind around 14 km/h.

    High: 32 °C

    Sunny

  • Tonight

    Tonight: Clear, with a low around 19. South wind around 11 km/h.

    Low: 19 °C

    Clear

  • Saturday

    Saturday: Sunny, with a high near 31. Breezy, with a south wind 13 to 18 km/h increasing to 27 to 32 km/h in the afternoon. Winds could gust as high as 50 km/h.

    High: 31 °C

    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Clear, with a low around 17. South wind 18 to 23 km/h, with gusts as high as 37 km/h.

    Low: 17 °C

    Clear

  • Sunday

    Sunday: Sunny, with a high near 30. Windy, with a south wind 23 to 28 km/h increasing to 30 to 35 km/h in the afternoon. Winds could gust as high as 50 km/h.

    High: 30 °C

    Sunny and
    Windy

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 14. Chance of precipitation is 60%. New rainfall amounts between 7.5 mm and 1 cm possible.

    Low: 14 °C

    Showers
    Likely

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Mostly cloudy, with a high near 21. Chance of precipitation is 60%.

    High: 21 °C

    Showers
    Likely

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 12. Chance of precipitation is 60%.

    Low: 12 °C

    Showers
    Likely

  • Tuesday

    Tuesday: Mostly sunny, with a high near 21.

    High: 21 °C

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 32. South wind around 14 km/h.
Tonight
Clear, with a low around 19. South wind around 11 km/h.
Saturday
Sunny, with a high near 31. Breezy, with a south wind 13 to 18 km/h increasing to 27 to 32 km/h in the afternoon. Winds could gust as high as 50 km/h.
Saturday Night
Clear, with a low around 17. South wind 18 to 23 km/h, with gusts as high as 37 km/h.
Sunday
Sunny, with a high near 30. Windy, with a south wind 23 to 28 km/h increasing to 30 to 35 km/h in the afternoon. Winds could gust as high as 50 km/h.
Sunday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 14. Chance of precipitation is 60%. New rainfall amounts between 7.5 mm and 1 cm possible.
Monday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Mostly cloudy, with a high near 21. Chance of precipitation is 60%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 12. Chance of precipitation is 60%.
Tuesday
Mostly sunny, with a high near 21.
Tuesday Night
Mostly clear, with a low around 7.
Wednesday
Sunny, with a high near 19.
Wednesday Night
Mostly clear, with a low around 7.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 21.
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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:
11:53 am CDT Oct 3, 2025
Forecast Valid:
1pm CDT Oct 3, 2025-6pm CDT Oct 9, 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