National Weather Service Forecast for: Hartford CT
Issued by: National Weather Service Norton, MA
Updated: 10:19 pm EDT Sep 12, 2026
 
Tonight

Tonight: Mostly cloudy, with a low around 64. South wind around 5 mph.
Mostly Cloudy

 Sunday

Sunday: Showers and thunderstorms before 2pm, then a chance of showers. Some of the storms could produce heavy rainfall. High near 76. Southeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Heavy Rain

 Sunday
Night
Sunday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 63. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Partly Cloudy
then Chance
Showers
 Monday

Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 75. North wind 9 to 14 mph, with gusts as high as 26 mph.
Becoming
Sunny
 Monday
Night
Monday Night: Clear, with a low around 50. North wind 5 to 8 mph becoming calm after midnight.
Clear

 Tuesday

Tuesday: Sunny, with a high near 73. Northeast wind around 6 mph becoming south in the afternoon.
Sunny

 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 53. Light and variable wind.
Mostly Clear

 Wednesday

Wednesday: Mostly sunny, with a high near 79. Calm wind becoming southwest around 6 mph in the afternoon.
Mostly Sunny

 Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 60. South wind around 5 mph becoming calm in the evening.
Partly Cloudy
Lo 64 °F Hi 76 °F Lo 63 °F Hi 75 °F Lo 50 °F Hi 73 °F Lo 53 °F Hi 79 °F Lo 60 °F

 

Tonight
 
 Mostly cloudy, with a low around 64. South wind around 5 mph.
Sunday
 
 Showers and thunderstorms before 2pm, then a chance of showers. Some of the storms could produce heavy rainfall. High near 76. Southeast wind around 5 mph becoming calm in the afternoon. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
 
 A chance of showers, mainly after 2am. Mostly cloudy, with a low around 63. Calm wind becoming southwest around 5 mph after midnight. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
 
 Mostly cloudy through mid morning, then gradual clearing, with a high near 75. North wind 9 to 14 mph, with gusts as high as 26 mph.
Monday Night
 
 Clear, with a low around 50. North wind 5 to 8 mph becoming calm after midnight.
Tuesday
 
 Sunny, with a high near 73. Northeast wind around 6 mph becoming south in the afternoon.
Tuesday Night
 
 Mostly clear, with a low around 53. Light and variable wind.
Wednesday
 
 Mostly sunny, with a high near 79. Calm wind becoming southwest around 6 mph in the afternoon.
Wednesday Night
 
 Partly cloudy, with a low around 60. South wind around 5 mph becoming calm in the evening.
Thursday
 
 Mostly sunny, with a high near 82. Calm wind becoming south 5 to 8 mph in the afternoon.
Thursday Night
 
 Partly cloudy, with a low around 62. South wind 6 to 8 mph.
Friday
 
 A chance of showers. Partly sunny, with a high near 79. Northwest wind 6 to 8 mph. Chance of precipitation is 30%.
Friday Night
 
 A chance of showers. Mostly cloudy, with a low around 56. North wind 5 to 7 mph. Chance of precipitation is 30%.
Saturday
 
 Partly sunny, with a high near 74. North wind 5 to 8 mph becoming south in the afternoon.

 

Forecast from NOAA-NWS for Hartford CT.