Fairfax, SD 7-Day Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon


Fairfax Weather Forecast


Fairfax, SD Weather Forecast Date: 133 AM CDT Fri Sep 11 2026
Weather forecast for Fairfax, SD
| Tonight Lo: 70°F Lo: 21°C |
Tonight... Mostly clear and breezy. Much warmer. Near steady temperature in the lower 70s. South winds 15 to 25 mph with gusts up to 45 mph. |
| Fri Hi: 91°FHi: 33°C Lo: 59°F Lo: 15°C |
Friday... Sunny, windy with highs in the lower 90s. Southwest winds 20 to 30 mph with gusts up to 45 mph. |
| Sat Hi: 71°FHi: 22°C Lo: 51°F Lo: 11°C |
Saturday... Sunny. Not as warm with highs in the lower 70s. North winds 10 to 15 mph with gusts up to 25 mph. |
| Sun Hi: 65°FHi: 18°C Lo: 51°F Lo: 11°C |
Sunday... Showers likely with a slight chance of thunderstorms in the morning. Breezy with highs in the mid 60s. Chance of rain 70%. |
| Mon Hi: 71°FHi: 22°C Lo: 51°F Lo: 11°C |
Monday... Mostly cloudy in the morning, then becoming mostly sunny. Breezy with highs in the lower 70s. |
| Tue Hi: 65°FHi: 18°C Lo: 50°F Lo: 10°C |
Tuesday... Mostly sunny. Highs in the mid 60s. |
| Wed Hi: 71°FHi: 22°C Lo: 55°F Lo: 13°C |
Wednesday... Mostly cloudy in the morning, then becoming partly sunny. Highs in the lower 70s. |
Fairfax Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Weather World