National Weather Service Forecast for: Lebanon NH
Issued by: National Weather Service Gray/Portland, ME
Updated: 2:35 pm EDT Jul 28, 2026
 
This
Afternoon
This Afternoon: Showers and possibly a thunderstorm. High near 79. Southeast wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers

 Tonight

Tonight: Showers and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 2am, then a chance of showers after 2am. Low around 61. Southeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Showers then
Chance
Showers
 Wednesday

Wednesday: Showers likely, with thunderstorms also possible after 8am. Cloudy, with a high near 74. Southeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Showers
Likely
 Wednesday
Night
Wednesday Night: Showers. Low around 58. East wind around 5 mph. Chance of precipitation is 80%.
Showers

 Thursday

Thursday: Showers likely. Mostly cloudy, with a high near 74. Northeast wind around 5 mph. Chance of precipitation is 70%.
Showers
Likely
 Thursday
Night
Thursday Night: A 30 percent chance of showers before 9pm. Mostly cloudy, with a low around 57.
Chance
Showers then
Mostly Cloudy
 Friday

Friday: Mostly sunny, with a high near 81.
Mostly Sunny

 Friday
Night
Friday Night: Mostly clear, with a low around 59.
Mostly Clear

 Saturday

Saturday: Mostly sunny, with a high near 84.
Mostly Sunny
Hi 79 °F Lo 61 °F Hi 74 °F Lo 58 °F Hi 74 °F Lo 57 °F Hi 81 °F Lo 59 °F Hi 84 °F

 

This Afternoon
 
 Showers and possibly a thunderstorm. High near 79. Southeast wind around 5 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
 
 Showers and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms between midnight and 2am, then a chance of showers after 2am. Low around 61. Southeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
 
 Showers likely, with thunderstorms also possible after 8am. Cloudy, with a high near 74. Southeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between three quarters and one inch possible.
Wednesday Night
 
 Showers. Low around 58. East wind around 5 mph. Chance of precipitation is 80%.
Thursday
 
 Showers likely. Mostly cloudy, with a high near 74. Northeast wind around 5 mph. Chance of precipitation is 70%.
Thursday Night
 
 A 30 percent chance of showers before 9pm. Mostly cloudy, with a low around 57.
Friday
 
 Mostly sunny, with a high near 81.
Friday Night
 
 Mostly clear, with a low around 59.
Saturday
 
 Mostly sunny, with a high near 84.
Saturday Night
 
 Mostly cloudy, with a low around 62.
Sunday
 
 A 40 percent chance of showers. Partly sunny, with a high near 82.
Sunday Night
 
 A 50 percent chance of showers. Mostly cloudy, with a low around 63.
Monday
 
 A 40 percent chance of showers. Partly sunny, with a high near 80.
Monday Night
 
 Partly cloudy, with a low around 59.
Tuesday
 
 Mostly sunny, with a high near 83.

 

Forecast from NOAA-NWS for Lebanon NH.