National Weather Service Forecast for: Londonderry NH
Issued by: National Weather Service Gray/Portland, ME
Updated: 2:20 am EDT May 26, 2026
 
Today

Today: Sunny, with a high near 84. Calm wind becoming west around 5 mph in the afternoon.
Sunny

 Tonight

Tonight: Increasing clouds, with a low around 60. Southwest wind around 5 mph.
Increasing
Clouds
 Wednesday

Wednesday: Isolated showers between 2pm and 5pm, then isolated showers and thunderstorms after 5pm. Partly sunny, with a high near 85. West wind 5 to 10 mph. Chance of precipitation is 20%.
Partly Sunny
then Isolated
T-storms
 Wednesday
Night
Wednesday Night: Cloudy, then gradually becoming partly cloudy, with a low around 55. Northwest wind around 5 mph.
Decreasing
Clouds
 Thursday

Thursday: Scattered showers, mainly after 11am. Mostly sunny, with a high near 71. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Scattered
Showers
 Thursday
Night
Thursday Night: Partly cloudy, with a low around 49.
Partly Cloudy

 Friday

Friday: A 40 percent chance of showers after 2pm. Partly sunny, with a high near 68.
Partly Sunny
then Chance
Showers
 Friday
Night
Friday Night: Showers likely, mainly after 10pm. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Showers
Likely
 Saturday

Saturday: A 50 percent chance of showers. Partly sunny, with a high near 62.
Chance
Showers
Hi 84 °F Lo 60 °F Hi 85 °F Lo 55 °F Hi 71 °F Lo 49 °F Hi 68 °F Lo 46 °F Hi 62 °F

 

Today
 
 Sunny, with a high near 84. Calm wind becoming west around 5 mph in the afternoon.
Tonight
 
 Increasing clouds, with a low around 60. Southwest wind around 5 mph.
Wednesday
 
 Isolated showers between 2pm and 5pm, then isolated showers and thunderstorms after 5pm. Partly sunny, with a high near 85. West wind 5 to 10 mph. Chance of precipitation is 20%.
Wednesday Night
 
 Cloudy, then gradually becoming partly cloudy, with a low around 55. Northwest wind around 5 mph.
Thursday
 
 Scattered showers, mainly after 11am. Mostly sunny, with a high near 71. Northwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday Night
 
 Partly cloudy, with a low around 49.
Friday
 
 A 40 percent chance of showers after 2pm. Partly sunny, with a high near 68.
Friday Night
 
 Showers likely, mainly after 10pm. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
Saturday
 
 A 50 percent chance of showers. Partly sunny, with a high near 62.
Saturday Night
 
 A 30 percent chance of showers before 9pm. Partly cloudy, with a low around 44.
Sunday
 
 Mostly sunny, with a high near 69.
Sunday Night
 
 Partly cloudy, with a low around 48.
Monday
 
 A 30 percent chance of showers. Partly sunny, with a high near 69.

 

Forecast from NOAA-NWS for Londonderry NH.