National Weather Service Forecast for: Lebanon NH
Issued by: National Weather Service Gray/Portland, ME
Updated: 2:45 pm EDT Jul 16, 2026
 
This
Afternoon
This Afternoon: A 30 percent chance of showers and thunderstorms. Some of the storms could be severe.  Patchy smoke. Partly sunny, with a steady temperature around 75. Northwest wind around 10 mph, with gusts as high as 20 mph.  New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Severe
T-Storms
Tonight

Tonight: Mostly clear, with a low around 55. West wind around 5 mph.
Mostly Clear

Friday

Friday: Sunny, with a high near 79. Northwest wind 5 to 10 mph.
Sunny

Friday
Night
Friday Night: Partly cloudy, with a low around 56. Calm wind.
Partly Cloudy

Saturday

Saturday: A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm.  Partly sunny, with a high near 83. Light south wind increasing to 5 to 10 mph in the afternoon.  Chance of precipitation is 60%.
Partly Sunny
then Showers
Likely
Saturday
Night
Saturday Night: Showers and possibly a thunderstorm before 1am, then showers likely between 1am and 2am.  Low around 61. Chance of precipitation is 90%.
Showers

Sunday

Sunday: Mostly sunny, with a high near 79.
Mostly Sunny

Sunday
Night
Sunday Night: Mostly clear, with a low around 53.
Mostly Clear

Monday

Monday: Sunny, with a high near 81.
Sunny

Hi 75 °F Lo 55 °F Hi 79 °F Lo 56 °F Hi 83 °F Lo 61 °F Hi 79 °F Lo 53 °F Hi 81 °F

Air Quality Alert
 

This Afternoon
 
A 30 percent chance of showers and thunderstorms. Some of the storms could be severe. Patchy smoke. Partly sunny, with a steady temperature around 75. Northwest wind around 10 mph, with gusts as high as 20 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
 
Mostly clear, with a low around 55. West wind around 5 mph.
Friday
 
Sunny, with a high near 79. Northwest wind 5 to 10 mph.
Friday Night
 
Partly cloudy, with a low around 56. Calm wind.
Saturday
 
A chance of showers before 2pm, then a chance of showers and thunderstorms between 2pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 83. Light south wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 60%.
Saturday Night
 
Showers and possibly a thunderstorm before 1am, then showers likely between 1am and 2am. Low around 61. Chance of precipitation is 90%.
Sunday
 
Mostly sunny, with a high near 79.
Sunday Night
 
Mostly clear, with a low around 53.
Monday
 
Sunny, with a high near 81.
Monday Night
 
Partly cloudy, with a low around 59.
Tuesday
 
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Tuesday Night
 
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.
Wednesday
 
A 50 percent chance of showers. Partly sunny, with a high near 79.
Wednesday Night
 
Partly cloudy, with a low around 58.
Thursday
 
Mostly sunny, with a high near 78.

 

Forecast from NOAA-NWS for Lebanon NH.