Weather in Frankfort, SD
Updated 2026-08-11 12:00 local time · ZIP codes 57440
Cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
82°9% rain
82°8% rain84°7% rain
87°5% rain87°4% rain86°4% rain85°3% rain83°4% rain80°6% rain
77°8% rain75°9% rain73°8% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 9%).
It feels like 89°F with winds near 6 mph.
80°F, 6% rain chance and 13 mph wind.
Visibility is around 10 mi; gusts may reach 25 mph.
Current temperature is 82°F, wind 6 mph, rain chance up to 9%.
UV index is 5. Sunscreen and sunglasses are sensible for longer outdoor time.
Frankfort weather today
Cloudy and 82°F in Frankfort, SD. Today's high is 87°F with a 70% rain chance. Winds are around 6 mph with gusts near 7 mph. Relative humidity is 74%, pressure is 29.88 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Frankfort
Sunrise is at 06:30 AM and sunset is at 08:46 PM. Tomorrow's forecast calls for Sunny with a high near 95°F and a low near 67°F. The maximum rain chance is 57%.