National Weather Service Forecast for: Stratham NH
Issued by: National Weather Service Gray/Portland, ME
Updated: 7:05 pm EDT Sep 12, 2026
 
Tonight

Tonight: Mostly cloudy, with a low around 58. South wind around 5 mph.
Mostly Cloudy
 Sunday

Sunday: Showers and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms, mainly between 4pm and 5pm. Patchy fog after 11am. High near 69. South wind around 5 mph becoming southeast in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Showers and
Patchy Fog
 Sunday
Night
Sunday Night: Patchy fog. Otherwise, mostly cloudy, with a low around 60. Calm wind becoming west around 5 mph after midnight.
Patchy Fog
 Monday

Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 72. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Becoming
Sunny
 Monday
Night
Monday Night: Clear, with a low around 47. Northwest wind around 5 mph becoming calm in the evening.
Clear
 Tuesday

Tuesday: Sunny, with a high near 67.
Sunny
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 51.
Mostly Clear
 Wednesday

Wednesday: Mostly sunny, with a high near 76.
Mostly Sunny
 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 58.
Partly Cloudy
Lo 58 °F Hi 69 °F Lo 60 °F Hi 72 °F Lo 47 °F Hi 67 °F Lo 51 °F Hi 76 °F Lo 58 °F

 

Tonight
 
 Mostly cloudy, with a low around 58. South wind around 5 mph.
Sunday
 
 Showers and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms, mainly between 4pm and 5pm. Patchy fog after 11am. High near 69. South wind around 5 mph becoming southeast in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
 
 Patchy fog. Otherwise, mostly cloudy, with a low around 60. Calm wind becoming west around 5 mph after midnight.
Monday
 
 Mostly cloudy through mid morning, then gradual clearing, with a high near 72. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Monday Night
 
 Clear, with a low around 47. Northwest wind around 5 mph becoming calm in the evening.
Tuesday
 
 Sunny, with a high near 67.
Tuesday Night
 
 Mostly clear, with a low around 51.
Wednesday
 
 Mostly sunny, with a high near 76.
Wednesday Night
 
 Partly cloudy, with a low around 58.
Thursday
 
 Mostly sunny, with a high near 76.
Thursday Night
 
 A 30 percent chance of showers. Mostly cloudy, with a low around 60.
Friday
 
 Partly sunny, with a high near 75.
Friday Night
 
 A 30 percent chance of showers. Mostly cloudy, with a low around 53.
Saturday
 
 Mostly sunny, with a high near 71.

 

Forecast from NOAA-NWS for Stratham NH.