National Weather Service Forecast for: Hartford CT
Issued by: National Weather Service Norton, MA
Updated: 12:58 am EST Dec 18, 2025
 
Overnight

Overnight: Mostly clear, with a low around 23. Light and variable wind.
Mostly Clear

 Thursday

Thursday: Sunny, with a high near 49. Calm wind becoming south 5 to 7 mph in the afternoon.
Sunny

 Thursday
Night
Thursday Night: Rain, mainly after 4am. Temperature falling to near 39 by 8pm, then rising to around 53 during the remainder of the night. South wind 6 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Slight Chance
Rain then
Rain
 Friday

Friday: Rain and possibly a thunderstorm before noon, then rain likely. High near 58. Breezy, with a south wind 16 to 25 mph becoming west in the afternoon. Winds could gust as high as 46 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Breezy. Rain
then Rain
Likely
 Friday
Night
Friday Night: A slight chance of rain before 8pm. Partly cloudy, with a low around 25. West wind 13 to 16 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Slight Chance
Rain then
Partly Cloudy
 Saturday

Saturday: Mostly sunny, with a high near 39. West wind 7 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Mostly Sunny

 Saturday
Night
Saturday Night: Mostly cloudy, with a low around 31. South wind 7 to 9 mph.
Mostly Cloudy

 Sunday

Sunday: Mostly sunny, with a high near 46. West wind 8 to 11 mph, with gusts as high as 22 mph.
Mostly Sunny

 Sunday
Night
Sunday Night: Partly cloudy, with a low around 21. West wind around 10 mph, with gusts as high as 20 mph.
Partly Cloudy
Lo 23 °F Hi 49 °F Lo 39 °F⇑ Hi 58 °F Lo 25 °F Hi 39 °F Lo 31 °F Hi 46 °F Lo 21 °F

Wind Advisory
 

Overnight
 
 Mostly clear, with a low around 23. Light and variable wind.
Thursday
 
 Sunny, with a high near 49. Calm wind becoming south 5 to 7 mph in the afternoon.
Thursday Night
 
 Rain, mainly after 4am. Temperature falling to near 39 by 8pm, then rising to around 53 during the remainder of the night. South wind 6 to 14 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
 
 Rain and possibly a thunderstorm before noon, then rain likely. High near 58. Breezy, with a south wind 16 to 25 mph becoming west in the afternoon. Winds could gust as high as 46 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Friday Night
 
 A slight chance of rain before 8pm. Partly cloudy, with a low around 25. West wind 13 to 16 mph, with gusts as high as 33 mph. Chance of precipitation is 20%.
Saturday
 
 Mostly sunny, with a high near 39. West wind 7 to 9 mph becoming southwest in the afternoon. Winds could gust as high as 20 mph.
Saturday Night
 
 Mostly cloudy, with a low around 31. South wind 7 to 9 mph.
Sunday
 
 Mostly sunny, with a high near 46. West wind 8 to 11 mph, with gusts as high as 22 mph.
Sunday Night
 
 Partly cloudy, with a low around 21. West wind around 10 mph, with gusts as high as 20 mph.
Monday
 
 Sunny, with a high near 32. Northwest wind 9 to 13 mph.
Monday Night
 
 Partly cloudy, with a low around 20. Northwest wind around 6 mph becoming calm in the evening.
Tuesday
 
 A chance of rain and snow. Mostly cloudy, with a high near 37. Southwest wind 5 to 10 mph. Chance of precipitation is 50%.
Tuesday Night
 
 A chance of snow. Mostly cloudy, with a low around 28. Southwest wind around 7 mph. Chance of precipitation is 30%.
Wednesday
 
 Mostly sunny, with a high near 41. Northwest wind 6 to 10 mph, with gusts as high as 20 mph.

 

Forecast from NOAA-NWS for Hartford CT.