Fairfax, SD 7-Day Weather Forecast

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Fairfax, SD 7-Day Weather Forecast

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Fairfax SD weather  - Clear - 68°F
Clear
68°F
Updated 2:43 am
Feels Like 70°F
Humidity 100%
Wind SSE 12 mph
Barometer  29.82 in
Dew Point 68°F
Fairfax SD weather  - Clear - 20°C
Clear
20°C
Updated 2:43 am
Feels Like 21°C
Humidity 100%
Wind SSE 19 km/h
Barometer  100.9 kPa
Dew Point 20°C
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Fairfax, SD Weather Forecast Date: 133 AM CDT Fri Sep 11 2026

Weather forecast for Fairfax, SD


Tonight
Fairfax SD Weather for Tonight - Mostly Clear
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
Fairfax SD Weather for Friday - Windy
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
Fairfax SD Weather for Saturday - Sunny
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
Fairfax SD Weather for Sunday - Chance Of T-Storm
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
Fairfax SD Weather for Monday - Mostly Cloudy
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
Fairfax SD Weather for Tuesday - Mostly Sunny
Hi: 65°FHi: 18°C
Lo: 50°F
Lo: 10°C
Tuesday... Mostly sunny. Highs in the mid 60s.
Wed
Fairfax SD Weather for Wednesday - Mostly Cloudy
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.

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