National Weather Service Forecast for: Manchester NH
Issued by: National Weather Service Gray/Portland, ME
Updated: 6:22 am EDT Jun 22, 2025
 
Today

Today: Showers and thunderstorms likely before 11am, then a slight chance of showers between 11am and noon. Cloudy, then gradually becoming mostly sunny and hot, with a high near 91. Heat index values as high as 98. West wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Showers
Likely then
Mostly Sunny
 Tonight

Tonight: Patchy fog after 3am. Otherwise, mostly clear, with a low around 70. Northwest wind around 5 mph becoming calm in the evening.
Partly Cloudy
then Patchy
Fog
 Monday

Monday: Patchy fog before 7am. Otherwise, sunny and hot, with a high near 95. Heat index values as high as 105. Calm wind becoming southwest around 5 mph.
Patchy Fog
then Mostly
Sunny
 Monday
Night
Monday Night: Mostly clear, with a low around 74. South wind around 5 mph becoming calm.
Mostly Clear

 Tuesday

Tuesday: Sunny and hot, with a high near 100. West wind 5 to 10 mph.
Hot

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

 Wednesday

Wednesday: Mostly sunny and hot, with a high near 90.
Hot

 Wednesday
Night
Wednesday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 62.
Partly Cloudy
then Chance
Showers
 Thursday

Thursday: A 50 percent chance of showers. Mostly cloudy, with a high near 73.
Chance
Showers
Hi 91 °F Lo 70 °F Hi 95 °F Lo 74 °F Hi 100 °F Lo 74 °F Hi 90 °F Lo 62 °F Hi 73 °F

Hazardous Weather Outlook
Heat Advisory
Extreme Heat Watch
 

Today
 
 Showers and thunderstorms likely before 11am, then a slight chance of showers between 11am and noon. Cloudy, then gradually becoming mostly sunny and hot, with a high near 91. Heat index values as high as 98. West wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
 
 Patchy fog after 3am. Otherwise, mostly clear, with a low around 70. Northwest wind around 5 mph becoming calm in the evening.
Monday
 
 Patchy fog before 7am. Otherwise, sunny and hot, with a high near 95. Heat index values as high as 105. Calm wind becoming southwest around 5 mph.
Monday Night
 
 Mostly clear, with a low around 74. South wind around 5 mph becoming calm.
Tuesday
 
 Sunny and hot, with a high near 100. West wind 5 to 10 mph.
Tuesday Night
 
 Mostly clear, with a low around 74.
Wednesday
 
 Mostly sunny and hot, with a high near 90.
Wednesday Night
 
 A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 62.
Thursday
 
 A 50 percent chance of showers. Mostly cloudy, with a high near 73.
Thursday Night
 
 A 50 percent chance of showers. Mostly cloudy, with a low around 58.
Friday
 
 A 50 percent chance of showers. Mostly cloudy, with a high near 74.
Friday Night
 
 A 50 percent chance of showers. Mostly cloudy, with a low around 58.
Saturday
 
 A 50 percent chance of showers. Mostly cloudy, with a high near 73.

 

Forecast from NOAA-NWS for Manchester NH.