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

50°F

10°C

Humidity 37%
Wind Speed SE 7 mph
Barometer 29.89 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 14 Feb 5:35 pm CST
Extended Forecast for

Newton IA

  • Tonight

    Tonight: Partly cloudy, with a low around 35. South southeast wind around 6 mph becoming west after midnight.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Patchy fog between 8am and 10am. Otherwise, sunny, with a high near 60. West northwest wind around 6 mph becoming calm in the afternoon.

    High: 60 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 41. Calm wind becoming south southwest 5 to 9 mph in the evening.

    Low: 41 °F

    Increasing
    Clouds

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 63. South southwest wind 7 to 13 mph, with gusts as high as 20 mph.

    High: 63 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 44. Southeast wind around 6 mph.

    Low: 44 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 67. Breezy.

    High: 67 °F

    Partly Sunny
    then Mostly
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain before midnight. Partly cloudy, with a low around 49. Breezy.

    Low: 49 °F

    Slight Chance
    Rain and
    Breezy then
    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 64. Breezy.

    High: 64 °F

    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 35. South southeast wind around 6 mph becoming west after midnight.
Sunday
Patchy fog between 8am and 10am. Otherwise, sunny, with a high near 60. West northwest wind around 6 mph becoming calm in the afternoon.
Sunday Night
Increasing clouds, with a low around 41. Calm wind becoming south southwest 5 to 9 mph in the evening.
Washington's Birthday
Mostly sunny, with a high near 63. South southwest wind 7 to 13 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 44. Southeast wind around 6 mph.
Tuesday
Mostly sunny, with a high near 67. Breezy.
Tuesday Night
A 20 percent chance of rain before midnight. Partly cloudy, with a low around 49. Breezy.
Wednesday
Sunny, with a high near 64. Breezy.
Wednesday Night
Mostly clear, with a low around 33.
Thursday
A 30 percent chance of rain after noon. Partly sunny, with a high near 49.
Thursday Night
Mostly cloudy, with a low around 25.
Friday
Partly sunny, with a high near 40.
Friday Night
Mostly cloudy, with a low around 18.
Saturday
Mostly sunny, with a high near 41.
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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:
5:06 pm CST Feb 14, 2026
Forecast Valid:
5pm CST Feb 14, 2026-6pm CST Feb 21, 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