National Weather Service Forecast for: Hartford SD
Issued by: National Weather Service Sioux Falls, SD
Updated: 11:33 am CDT Mar 19, 2026
 
This
Afternoon
This Afternoon: Sunny, with a high near 72. Southwest wind 5 to 10 mph.
Sunny

 Tonight

Tonight: Partly cloudy, with a low around 42. West southwest wind around 10 mph.
Partly Cloudy

 Friday

Friday: Mostly sunny, with a high near 71. West northwest wind 5 to 10 mph.
Mostly Sunny

 Friday
Night
Friday Night: Partly cloudy, with a low around 45. West northwest wind 5 to 10 mph becoming south southwest after midnight.
Partly Cloudy

 Saturday

Saturday: Mostly sunny, with a high near 82. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Mostly Sunny

 Saturday
Night
Saturday Night: Partly cloudy, with a low around 40. Breezy, with a south southeast wind 10 to 15 mph becoming north northeast 15 to 20 mph after midnight. Winds could gust as high as 30 mph.
Partly Cloudy
then Mostly
Cloudy and
Breezy
 Sunday

Sunday: Mostly sunny, with a high near 53. Breezy.
Mostly Sunny
and Breezy

 Sunday
Night
Sunday Night: Mostly clear, with a low around 28.
Mostly Clear

 Monday

Monday: Partly sunny, with a high near 54.
Partly Sunny
Hi 72 °F Lo 42 °F Hi 71 °F Lo 45 °F Hi 82 °F Lo 40 °F Hi 53 °F Lo 28 °F Hi 54 °F

 

This Afternoon
 
 Sunny, with a high near 72. Southwest wind 5 to 10 mph.
Tonight
 
 Partly cloudy, with a low around 42. West southwest wind around 10 mph.
Friday
 
 Mostly sunny, with a high near 71. West northwest wind 5 to 10 mph.
Friday Night
 
 Partly cloudy, with a low around 45. West northwest wind 5 to 10 mph becoming south southwest after midnight.
Saturday
 
 Mostly sunny, with a high near 82. West southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Saturday Night
 
 Partly cloudy, with a low around 40. Breezy, with a south southeast wind 10 to 15 mph becoming north northeast 15 to 20 mph after midnight. Winds could gust as high as 30 mph.
Sunday
 
 Mostly sunny, with a high near 53. Breezy.
Sunday Night
 
 Mostly clear, with a low around 28.
Monday
 
 Partly sunny, with a high near 54.
Monday Night
 
 Mostly cloudy, with a low around 37.
Tuesday
 
 Mostly cloudy, with a high near 59.
Tuesday Night
 
 Mostly cloudy, with a low around 37.
Wednesday
 
 Partly sunny, with a high near 68.

 

Forecast from NOAA-NWS for Hartford SD.