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

Today: Mostly sunny and hot, with a high near 91. Calm wind.
Hot

Tonight

Tonight: A 50 percent chance of showers and thunderstorms, mainly between 1am and 2am.  Mostly cloudy, with a low around 66. Calm wind.  New rainfall 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 98. Heat index values as high as 110. Calm wind becoming west around 5 mph in the morning.  Chance of precipitation is 20%.
Mostly Sunny
then Slight
Chance
T-storms
Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 73. Calm wind.
Partly Cloudy

Thursday

Thursday: Sunny and hot, with a high near 101. Calm wind becoming west around 5 mph in the morning.
Hot

Thursday
Night
Thursday Night: Mostly clear, with a low around 74.
Mostly Clear

Friday

Friday: Sunny and hot, with a high near 99.
Hot

Friday
Night
Friday Night: Mostly clear, with a low around 69.
Mostly Clear

Independence
Day
Independence Day: A 30 percent chance of showers and thunderstorms after 2pm.  Mostly sunny and hot, with a high near 93.
Mostly Sunny
then Chance
T-storms
Hi 91 °F Lo 66 °F Hi 98 °F Lo 73 °F Hi 101 °F Lo 74 °F Hi 99 °F Lo 69 °F Hi 93 °F

Extreme Heat Watch
 

Today
 
Mostly sunny and hot, with a high near 91. Calm wind.
Tonight
 
A 50 percent chance of showers and thunderstorms, mainly between 1am and 2am. Mostly cloudy, with a low around 66. Calm wind. New rainfall 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 98. Heat index values as high as 110. Calm wind becoming west around 5 mph in the morning. Chance of precipitation is 20%.
Wednesday Night
 
Partly cloudy, with a low around 73. Calm wind.
Thursday
 
Sunny and hot, with a high near 101. Calm wind becoming west around 5 mph in the morning.
Thursday Night
 
Mostly clear, with a low around 74.
Friday
 
Sunny and hot, with a high near 99.
Friday Night
 
Mostly clear, with a low around 69.
Independence Day
 
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 93.
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 65. Chance of precipitation is 30%.
Sunday
 
Mostly sunny and hot, with a high near 91.
Sunday Night
 
Partly cloudy, with a low around 63.
Monday
 
Mostly sunny, with a high near 87.

 

Forecast from NOAA-NWS for Franklin NH.