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Hazardous Weather Conditions

Current conditions at

Nashua - Boire Field Airport (KASH)

Lat: 42.78°NLon: 71.51°WElev: 180ft.

Partly Cloudy

73°F

23°C

Humidity 90%
Wind Speed Calm
Barometer 30.07 in (1018.0 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 15 Jul 6:56 am EDT
Extended Forecast for

2 Miles ENE Nashua NH

Heat Advisory July 15, 11:00am until July 15, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Widespread haze after 5pm. Patchy fog before 8am. Otherwise, mostly sunny and hot, with a high near 91. Heat index values as high as 96. Calm wind becoming southwest around 5 mph.

    High: 91 °F

    Patchy Fog
    then Haze

  • Tonight

    Tonight: Widespread haze between 7pm and 10pm. Patchy fog after 1am. Otherwise, mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Haze then
    Patchy Fog

  • Wednesday

    Wednesday: Sunny and hot, with a high near 93. Heat index values as high as 100. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 93 °F

    Hot

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 2am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 73. South wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Mostly Cloudy
    then Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 11am. Patchy fog before 8am. Otherwise, partly sunny and hot, with a high near 91. Southwest wind around 5 mph. Chance of precipitation is 50%.

    High: 91 °F

    Chance
    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Scattered thunderstorms before 8pm. Partly cloudy, with a low around 73. Chance of precipitation is 30%.

    Low: 73 °F

    Scattered
    T-storms then
    Partly Cloudy

  • Friday

    Friday: A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    Showers then
    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

Detailed Forecast

Today
Widespread haze after 5pm. Patchy fog before 8am. Otherwise, mostly sunny and hot, with a high near 91. Heat index values as high as 96. Calm wind becoming southwest around 5 mph.
Tonight
Widespread haze between 7pm and 10pm. Patchy fog after 1am. Otherwise, mostly clear, with a low around 69. Calm wind.
Wednesday
Sunny and hot, with a high near 93. Heat index values as high as 100. Calm wind becoming southwest around 5 mph in the afternoon.
Wednesday Night
A 30 percent chance of showers after 2am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 73. South wind around 5 mph becoming calm in the evening.
Thursday
A chance of showers, with thunderstorms also possible after 11am. Patchy fog before 8am. Otherwise, partly sunny and hot, with a high near 91. Southwest wind around 5 mph. Chance of precipitation is 50%.
Thursday Night
Scattered thunderstorms before 8pm. Partly cloudy, with a low around 73. Chance of precipitation is 30%.
Friday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 87.
Friday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 83.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 65.
Monday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Nashua NH
 42.76°N 71.45°W (Elev. 125 ft)
Last Update:
6:38 am EDT Jul 15, 2025
Forecast Valid:
7am EDT Jul 15, 2025-6pm EDT Jul 21, 2025
 
Forecast Discussion
 
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Additional Resources

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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