National Weather Service Forecast for: Hartford SD
Issued by: National Weather Service Sioux Falls, SD
Updated: 12:43 pm CDT Oct 6, 2026
 
This
Afternoon
This Afternoon: Sunny, with a steady temperature around 78. West northwest wind 5 to 10 mph.
Sunny

Tonight

Tonight: Mostly clear, with a low around 52. North wind 5 to 10 mph.
Mostly Clear

Wednesday

Wednesday: Mostly sunny, with a high near 74. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Mostly Sunny

Wednesday
Night
Wednesday Night: Partly cloudy, with a low around 47. Northwest wind around 5 mph becoming north northeast after midnight.
Partly Cloudy

Thursday

Thursday: Mostly sunny, with a high near 68. Northeast wind around 5 mph becoming south southeast in the afternoon.
Mostly Sunny

Thursday
Night
Thursday Night: Partly cloudy, with a low around 50. Southeast wind around 5 mph.
Partly Cloudy

Friday

Friday: Mostly sunny, with a high near 73.
Mostly Sunny

Friday
Night
Friday Night: Mostly clear, with a low around 59. Breezy.
Mostly Clear
then Mostly
Clear and
Breezy
Saturday

Saturday: Sunny, with a high near 80. Breezy.
Sunny and
Breezy

Hi 78 °F Lo 52 °F Hi 74 °F Lo 47 °F Hi 68 °F Lo 50 °F Hi 73 °F Lo 59 °F Hi 80 °F

 

This Afternoon
 
Sunny, with a steady temperature around 78. West northwest wind 5 to 10 mph.
Tonight
 
Mostly clear, with a low around 52. North wind 5 to 10 mph.
Wednesday
 
Mostly sunny, with a high near 74. West northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
 
Partly cloudy, with a low around 47. Northwest wind around 5 mph becoming north northeast after midnight.
Thursday
 
Mostly sunny, with a high near 68. Northeast wind around 5 mph becoming south southeast in the afternoon.
Thursday Night
 
Partly cloudy, with a low around 50. Southeast wind around 5 mph.
Friday
 
Mostly sunny, with a high near 73.
Friday Night
 
Mostly clear, with a low around 59. Breezy.
Saturday
 
Sunny, with a high near 80. Breezy.
Saturday Night
 
Mostly clear, with a low around 60. Breezy.
Sunday
 
Mostly sunny, with a high near 72. Breezy.
Sunday Night
 
A 30 percent chance of showers. Mostly cloudy, with a low around 51.
Columbus Day
 
A 30 percent chance of showers. Partly sunny, with a high near 59.

 

Forecast from NOAA-NWS for Hartford SD.