Weather WorldFirth Lake, WI 7-Day Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Firth Lake Weather Forecast
Firth Lake, WI Weather Forecast Date: 541 AM CDT Sat Sep 26 2026
Weather forecast for Firth Lake, WI
Today Hi: 69°FHi: 21°C Lo: 55°F Lo: 13°C |
Today... Partly sunny. Highs in the upper 60s. Southeast winds 5 to 15 mph. |
| Sun Hi: 65°FHi: 18°C Lo: 51°F Lo: 11°C |
Sunday... Mostly cloudy. Highs in the mid 60s. South winds up to 5 mph. |
| Mon Hi: 71°FHi: 22°C Lo: 55°F Lo: 13°C |
Monday... Partly sunny. Highs in the lower 70s. Light winds becoming southeast up to 5 mph in the afternoon. |
Tue Hi: 69°FHi: 21°C Lo: 55°F Lo: 13°C |
Tuesday... Mostly cloudy. Chance of rain showers in the morning, then rain showers likely in the afternoon. Highs in the upper 60s. Chance of showers 70%. |
| Wed Hi: 69°FHi: 21°C Lo: 51°F Lo: 11°C |
Wednesday... Mostly cloudy with a 50% chance of rain showers. Highs in the upper 60s. |
| Thu Hi: 69°FHi: 21°C Lo: 45°F Lo: 7°C |
Thursday... Partly sunny with a 30% chance of rain showers. Highs in the upper 60s. |
Fri Hi: 65°FHi: 18°C |
Friday... Mostly sunny. Highs in the mid 60s. |
Firth Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...