National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 43.3°N 71.48°W (Text-Only)
NWS Forecast for: Loudon NH
Issued by: National Weather Service Gray/Portland, ME
Last Update: 1:48 pm EDT Jul 15, 2025		Print

  • Tonight

    Tonight: Patchy fog after midnight. Otherwise, mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear
    then Patchy
    Fog


  • Wednesday

    Wednesday: Widespread haze. Sunny and hot, with a high near 93. Heat index values as high as 97. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 93 °F

    Haze




  • Wednesday
    Night

    Wednesday Night: Isolated showers between 2am and 5am, then isolated showers and thunderstorms after 5am. Patchy fog after 3am. Otherwise, increasing clouds, with a low around 71. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 71 °F

    Partly Cloudy
    then Isolated
    T-storms and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 87. Southwest wind around 5 mph. Chance of precipitation is 60%.

    High: 87 °F

    Chance
    T-storms and
    Patchy Fog
    then Showers
    Likely

  • Thursday
    Night

    Thursday Night: A 30 percent chance of showers before 9pm. Partly cloudy, with a low around 69. West wind around 5 mph.

    Low: 69 °F

    Chance
    Showers then
    Partly Cloudy


  • Friday

    Friday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny




  • Friday
    Night

    Friday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear




  • Saturday

    Saturday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny




  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy






    • Tonight: Patchy fog after midnight. Otherwise, mostly clear, with a low around 66. Calm wind.

    Wednesday: Widespread haze. Sunny and hot, with a high near 93. Heat index values as high as 97. Calm wind becoming southwest around 5 mph in the afternoon.

    Wednesday Night: Isolated showers between 2am and 5am, then isolated showers and thunderstorms after 5am. Patchy fog after 3am. Otherwise, increasing clouds, with a low around 71. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Thursday: A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 87. Southwest wind around 5 mph. Chance of precipitation is 60%.

    Thursday Night: A 30 percent chance of showers before 9pm. Partly cloudy, with a low around 69. West wind around 5 mph.

    Friday: Mostly sunny, with a high near 80.

    Friday Night: Mostly clear, with a low around 56.

    Saturday: Mostly sunny, with a high near 82.

    Saturday Night: Partly cloudy, with a low around 60.

    Sunday: A 30 percent chance of showers after 8am. Partly sunny, with a high near 81.

    Sunday Night: A 30 percent chance of showers. Partly cloudy, with a low around 62.

    Monday: Mostly sunny, with a high near 81.

    Monday Night: Mostly clear, with a low around 58.

    Tuesday: Mostly sunny, with a high near 81.


    Loudon NH
     43.3°N 71.48°W (Elev. 420 ft)

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