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

Whitefield - Mount Washington Regional Airport (KHIE)

Lat: 44.37°NLon: 71.55°WElev: 1047ft.

Overcast

65°F

18°C

Humidity 78%
Wind Speed Calm
Barometer 30.02 in (1016.6 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 22 Aug 7:52 pm EDT
Extended Forecast for

Lost River NH

  • Tonight

    Tonight: A slight chance of showers before 11pm, then a slight chance of showers after midnight. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 57. Southeast wind around 5 mph. Chance of precipitation is 20%.

    Low: 57 °F

    Slight Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 4pm, then showers likely and possibly a thunderstorm after 4pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 70. Southeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Chance
    Showers and
    Patchy Fog
    then Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 57. Southeast wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 57 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday

    Monday: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely after 5pm. Partly sunny, with a high near 73. South wind around 5 mph. Chance of precipitation is 60%.

    High: 73 °F

    Mostly Sunny
    then Showers
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 52. South wind around 5 mph.

    Low: 52 °F

    Chance
    Showers then
    Mostly Cloudy

  • Tuesday

    Tuesday: Showers likely, mainly after 5pm. Partly sunny, with a high near 70. Chance of precipitation is 60%.

    High: 70 °F

    Partly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers before 10pm. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Chance
    Showers then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of showers before 11pm, then a slight chance of showers after midnight. Patchy fog after 9pm. Otherwise, mostly cloudy, with a low around 57. Southeast wind around 5 mph. Chance of precipitation is 20%.
Sunday
A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 4pm, then showers likely and possibly a thunderstorm after 4pm. Patchy fog before 11am. Otherwise, mostly cloudy, with a high near 70. Southeast wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers and thunderstorms likely before 1am, then a slight chance of showers between 1am and 2am. Mostly cloudy, with a low around 57. Southeast wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 5pm, then showers likely after 5pm. Partly sunny, with a high near 73. South wind around 5 mph. Chance of precipitation is 60%.
Monday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 52. South wind around 5 mph.
Tuesday
Showers likely, mainly after 5pm. Partly sunny, with a high near 70. Chance of precipitation is 60%.
Tuesday Night
A 40 percent chance of showers before 10pm. Mostly cloudy, with a low around 53.
Wednesday
Mostly sunny, with a high near 74.
Wednesday Night
Partly cloudy, with a low around 55.
Thursday
Mostly sunny, with a high near 77.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 58.
Friday
Showers and thunderstorms likely. Partly sunny, with a high near 75. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 74.
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ABOUT THIS FORECAST

 
Point Forecast:
Lost River NH
 44.03°N 71.78°W (Elev. 1716 ft)
Last Update:
6:59 pm EDT Aug 22, 2026
Forecast Valid:
7pm EDT Aug 22, 2026-6pm EDT Aug 29, 2026
 
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