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Firth Lake Weather Forecast
Firth Lake, WI Weather Forecast Date: 128 AM CDT Tue Aug 04 2026
Weather forecast for Firth Lake, WI
Tonight Lo: 69°F Lo: 21°C |
Tonight... Partly cloudy after midnight, then mostly cloudy with a 20% chance of thunderstorms early in the morning. Near steady temperature in the upper 60s. South winds 5 to 15 mph. |
Tue Hi: 79°FHi: 26°C Lo: 55°F Lo: 13°C |
Tuesday... Cloudy with chance of showers and slight chance of thunderstorms in the morning, then partly sunny in the afternoon. Highs in the upper 70s. West winds 5 to 10 mph. Gusts up to 25 mph in the morning. Chance of precipitation 50%. |
Wed Hi: 79°FHi: 26°C Lo: 55°F Lo: 13°C |
Wednesday... Sunny. Highs in the upper 70s. Northwest winds up to 5 mph. |
| Thu Hi: 85°FHi: 29°C Lo: 61°F Lo: 16°C |
Thursday... Sunny. Highs in the mid 80s. |
| Fri Hi: 89°FHi: 32°C Lo: 61°F Lo: 16°C |
Friday... Sunny. Highs in the upper 80s. |
| Sat Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Saturday... Mostly sunny. Highs in the mid 80s. |
| Sun Hi: 85°FHi: 29°C Lo: 61°F Lo: 16°C |
Sunday... Mostly sunny. Highs in the mid 80s. |
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