National Weather Service Forecast for: Gilford NH
Issued by: National Weather Service Gray/Portland, ME
Updated: 6:48 am EDT Jun 30, 2026
 
Today

Today: Mostly sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon.
Mostly Sunny

 Tonight

Tonight: A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 67. Southwest wind around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Chance
Showers

 Wednesday

Wednesday: A slight chance of showers and thunderstorms between 2pm and 3pm. Mostly sunny and hot, with a high near 94. Heat index values as high as 107. West wind 5 to 10 mph. Chance of precipitation is 20%.
Mostly Sunny
then Slight
Chance
T-storms
 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 74. West wind around 5 mph.
Partly Cloudy

 Thursday

Thursday: Sunny and hot, with a high near 97. West wind 5 to 10 mph, with gusts as high as 20 mph.
Hot

 Thursday
Night
Thursday Night: Mostly clear, with a low around 75.
Mostly Clear

 Friday

Friday: Sunny and hot, with a high near 95.
Hot

 Friday
Night
Friday Night: Mostly clear, with a low around 70.
Mostly Clear

 Independence
Day
Independence Day: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89.
Mostly Sunny
then Chance
T-storms
Hi 87 °F Lo 67 °F Hi 94 °F Lo 74 °F Hi 97 °F Lo 75 °F Hi 95 °F Lo 70 °F Hi 89 °F

Extreme Heat Watch
 

Today
 
 Mostly sunny, with a high near 87. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
 
 A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 67. Southwest wind around 5 mph. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
 
 A slight chance of showers and thunderstorms between 2pm and 3pm. Mostly sunny and hot, with a high near 94. Heat index values as high as 107. West wind 5 to 10 mph. Chance of precipitation is 20%.
Wednesday Night
 
 Partly cloudy, with a low around 74. West wind around 5 mph.
Thursday
 
 Sunny and hot, with a high near 97. West wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
 
 Mostly clear, with a low around 75.
Friday
 
 Sunny and hot, with a high near 95.
Friday Night
 
 Mostly clear, with a low around 70.
Independence Day
 
 A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 89.
Saturday Night
 
 A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 9pm. Partly cloudy, with a low around 66. Chance of precipitation is 30%.
Sunday
 
 Mostly sunny, with a high near 87.
Sunday Night
 
 Partly cloudy, with a low around 64.
Monday
 
 Mostly sunny, with a high near 83.

 

Forecast from NOAA-NWS for Gilford NH.