Weather in Westport, SD
Updated 2026-08-11 12:00 local time · ZIP codes 57481
Sunny
No government weather alerts were returned for this location at the latest update.
Next hours
78°9% rain
81°8% rain82°7% rain83°5% rain84°4% rain86°4% rain85°3% rain83°4% rain80°5% rain
77°7% rain76°7% rain75°7% 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 82°F with winds near 9 mph.
80°F, 5% rain chance and 7 mph wind.
Visibility is around 10 mi; gusts may reach 16 mph.
Current temperature is 78°F, wind 9 mph, rain chance up to 9%.
UV index is 5. Sunscreen and sunglasses are sensible for longer outdoor time.
Westport weather today
Sunny and 78°F in Westport, SD. Today's high is 86°F with a 11% rain chance. Winds are around 9 mph with gusts near 11 mph. Relative humidity is 74%, pressure is 29.91 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Westport
Sunrise is at 06:30 AM and sunset is at 08:49 PM. Tomorrow's forecast calls for Sunny with a high near 96°F and a low near 65°F. The maximum rain chance is 59%.