Weather in Fairfax, SD
Updated 2026-09-26 09:00 local time · ZIP codes 57335
Patchy rain nearby
No government weather alerts were returned for this location at the latest update.
Next hours
59°47% rain
61°32% rain65°25% rain67°28% rain67°21% rain69°19% rain
71°10% rain74°5% rain
74°3% rain71°16% rain70°8% rain
71°13% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Key weather changes ahead
Weather insights for today
Rain chance reaches about 47% over the next 12 hours.
It feels like 56°F with winds near 10 mph.
74°F, 3% rain chance and 11 mph wind.
Visibility is around 6 mi; gusts may reach 23 mph.
Current temperature is 59°F, wind 10 mph, rain chance up to 47%.
UV index is 0.
Local weather characteristics in Fairfax
South Dakota has a continental climate with hot summers, cold winters, frequent wind and strong differences between the Black Hills and the open plains.
Fairfax is part of the Midwest weather region. The forecast point is near 43.03°N latitude and 98.89°W longitude. Local temperature, wind and precipitation can still differ from nearby places, especially where terrain, coastlines or urban development create small-scale weather changes.
Fairfax weather today
Patchy rain nearby and 59°F in Fairfax, SD. Today's high is 74°F with a 75% rain chance. Winds are around 10 mph with gusts near 23 mph. Relative humidity is 97%, pressure is 29.85 inHg, and visibility is about 6 miles.
Tonight and tomorrow in Fairfax
Sunrise is at 07:27 AM and sunset is at 07:26 PM. Tomorrow's forecast calls for Overcast with a high near 75°F and a low near 58°F. The maximum rain chance is 21%.