Weather WorldUpper Summit Lake, IN 7-Day Weather Forecast
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Upper Summit Lake Weather Forecast
Upper Summit Lake, IN Weather Forecast Date: 443 PM EDT Tue Aug 04 2026
Weather forecast for Upper Summit Lake, IN
Today Hi: 81°FHi: 27°C Lo: 61°F Lo: 16°C |
This Afternoon... Mostly sunny. Near steady temperature in the lower 80s. South winds around 5 mph. |
| Wed Hi: 85°FHi: 29°C Lo: 65°F Lo: 18°C |
Wednesday... Mostly sunny. Highs in the mid 80s. Southwest winds around 5 mph. |
Thu Hi: 79°FHi: 26°C Lo: 65°F Lo: 18°C |
Thursday... Showers likely with a slight chance of thunderstorms. Humid with highs in the upper 70s. Southwest winds around 5 mph. Chance of rain 70%. |
| Fri Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C |
Friday... Partly cloudy with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20%. |
| Sat Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C |
Saturday... Partly cloudy in the morning, then becoming mostly sunny. A slight chance of showers and thunderstorms. Highs in the lower 80s. Chance of rain 20%. |
| Sun Hi: 81°FHi: 27°C Lo: 69°F Lo: 21°C |
Sunday... Partly cloudy with a chance of showers with a slight chance of thunderstorms. Highs in the lower 80s. Chance of rain 40%. |
| Mon Hi: 85°FHi: 29°C |
Monday... Partly cloudy with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of rain 40%. |
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