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

Hazardous Weather Conditions

Current conditions at

Nashua - Boire Field Airport (KASH)

Lat: 42.78°NLon: 71.51°WElev: 180ft.

Fair

76°F

24°C

Humidity 85%
Wind Speed SE 3 mph
Barometer 30.03 in (1016.8 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index77°F (25°C)
Last update 15 Jul 11:56 pm EDT
Extended Forecast for

Pelham NH

Heat Advisory July 16, 12:38am until July 16, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 16, 12:38am until July 16, 08:00pm

    NOW until 8:00pm Wed

    Heat Advisory

  • Overnight

    Low: 68 °F

    Patchy Fog

  • Wednesday

    Wednesday: Widespread haze after 9am. Patchy fog before 8am. Otherwise, sunny and hot, with a high near 93. Heat index values as high as 98. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 93 °F

    Patchy Fog
    then Haze

  • Wednesday Night

    Wednesday Night: Isolated showers after 2am. Patchy fog after 5am. Otherwise, increasing clouds, with a low around 73. Southwest wind around 5 mph. Chance of precipitation is 20%.

    Low: 73 °F

    Partly Cloudy
    then Isolated
    Showers and
    Patchy Fog

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 2pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 89. Heat index values as high as 98. Southwest wind around 5 mph. Chance of precipitation is 60%.

    High: 89 °F

    Showers
    Likely and
    Patchy Fog

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 9pm. Partly cloudy, with a low around 73. Southwest wind around 5 mph. Chance of precipitation is 30%.

    Low: 73 °F

    Chance
    T-storms then
    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 84.

    High: 84 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

Detailed Forecast

Overnight
Patchy fog after 2am. Otherwise, mostly clear, with a low around 68. Calm wind.
Wednesday
Widespread haze after 9am. Patchy fog before 8am. Otherwise, sunny and hot, with a high near 93. Heat index values as high as 98. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
Isolated showers after 2am. Patchy fog after 5am. Otherwise, increasing clouds, with a low around 73. Southwest wind around 5 mph. Chance of precipitation is 20%.
Thursday
Showers likely, with thunderstorms also possible after 2pm. Patchy fog before 7am. Otherwise, partly sunny, with a high near 89. Heat index values as high as 98. Southwest wind around 5 mph. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 9pm. Partly cloudy, with a low around 73. Southwest wind around 5 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 60.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Mostly cloudy, with a low around 63.
Sunday
A 30 percent chance of showers after 8am. Partly sunny, with a high near 83.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 64.
Monday
Mostly sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 61.
Tuesday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pelham NH
 42.72°N 71.31°W (Elev. 194 ft)
Last Update:
7:24 pm EDT Jul 15, 2025
Forecast Valid:
12am EDT Jul 16, 2025-6pm EDT Jul 22, 2025
 
Forecast Discussion
 
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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