National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Raleigh / Durham, Raleigh-Durham International Airport (KRDU)

Lat: 35.89°NLon: 78.78°WElev: 394ft.

Fair

75°F

24°C

Humidity 88%
Wind Speed N 3 mph
Barometer 29.94 in (1013.1 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 19 Aug 1:51 am EDT
Extended Forecast for

Chapel Hill, Williams Airport NC

  • Overnight

    Overnight: Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 93. Light northwest wind.

    High: 93 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Thursday

    Thursday: A chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 94. Heat index values as high as 101. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 94 °F

    Sunny then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 5am, then a chance of showers. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Showers
    Likely

  • Friday

    Friday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 88 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 68. Chance of precipitation is 80%.

    Low: 68 °F

    Showers

  • Saturday

    Saturday: A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 60%.

    High: 85 °F

    Chance
    Showers then
    Showers
    Likely

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

    Low: 68 °F

    Showers
    Likely then
    Chance
    T-storms

Detailed Forecast

Overnight
Mostly clear, with a low around 71. Calm wind.
Wednesday
Sunny, with a high near 93. Light northwest wind.
Wednesday Night
Mostly clear, with a low around 72. Calm wind.
Thursday
A chance of showers and thunderstorms after 2pm. Increasing clouds, with a high near 94. Heat index values as high as 101. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
Showers and thunderstorms likely before 5am, then a chance of showers. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 68. Chance of precipitation is 80%.
Saturday
A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Saturday Night
Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.
Sunday
Mostly sunny, with a high near 87.
Sunday Night
Partly cloudy, with a low around 66.
Monday
Sunny, with a high near 87.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Chapel Hill, Williams Airport NC
 35.95°N 79.05°W (Elev. 430 ft)
Last Update:
7:36 pm EDT Aug 18, 2026
Forecast Valid:
2am EDT Aug 19, 2026-6pm EDT Aug 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation