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City of Sparta, WisconsinSparta, WI 7-Day Weather Forecast
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Sparta Weather Forecast
Sparta, WI Weather Forecast Date: 1152 AM CDT Thu Sep 03 2026
Weather forecast for Sparta, WI
Today Hi: 85°FHi: 29°C Lo: 69°F Lo: 21°C |
This Afternoon... Showers likely with a chance of thunderstorms. Highs in the mid 80s. Southeast winds around 5 mph. Chance of rain 70%. |
| Fri Hi: 89°FHi: 32°C Lo: 65°F Lo: 18°C |
Friday... Mostly sunny. A chance of showers and thunderstorms in the morning. Humid with highs in the upper 80s. Southeast winds around 5 mph. Chance of rain 40%. Heat index values in the mid 90s in the afternoon. |
Sat Hi: 85°FHi: 29°C Lo: 61°F Lo: 16°C |
Saturday... Mostly sunny. Highs in the mid 80s. Light winds. |
Sun Hi: 81°FHi: 27°C Lo: 61°F Lo: 16°C |
Sunday... Partly cloudy. Lows in the lower 60s. Highs in the lower 80s. |
| Sun Hi: 81°FHi: 27°C Lo: 61°F Lo: 16°C |
Sunday... Partly cloudy. Lows in the lower 60s. Highs in the lower 80s. |
Labor Day Hi: 81°FHi: 27°C Lo: 61°F Lo: 16°C |
Labor Day... Partly sunny with a 30% chance of showers. Highs in the lower 80s. |
Tue Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C |
Tuesday... Mostly sunny with a 40% chance of showers. Highs in the lower 80s. |
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