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Perth, IN Weather Forecast
Perth, IN Weather Forecast Date: 618 PM EDT Sat Sep 12 2026
The area/counties/county of: Clay, including the city of Brazil.or toggle through each period.
Tonight... Mostly clear through the late overnight, then becoming partly cloudy. Patchy fog. Lows in the mid 60s. Light and variable winds.
Sunday... Partly cloudy. A chance of showers and thunderstorms late in the afternoon. Highs in the mid 80s. Northwest winds 5 to 10 mph. Chance of rain 30%.
Sunday Night... Partly cloudy. A slight chance of showers and thunderstorms through the late overnight. Lows in the upper 50s. Northeast winds 5 to 10 mph. Chance of rain 20%.
Monday... Partly cloudy through early afternoon, then clearing. Highs around 80. East winds 5 to 10 mph.
Monday Night... Mostly clear. Lows in the lower 60s. Southeast winds 5 to 10 mph.
Tuesday... Sunny, warmer with highs in the lower 90s.
Tuesday Night... Partly cloudy. Hot. Lows around 70. Highs in the lower 90s.
Wednesday... Partly cloudy. Hot. Lows around 70. Highs in the lower 90s.
Wednesday Night... Mostly clear through the late overnight, then becoming partly cloudy. Lows in the lower 70s.
Thursday... Partly cloudy with a chance of showers. A slight chance of thunderstorms late in the afternoon. Hot with highs around 90. Chance of rain 40%.
Thursday Night... Partly cloudy with a 20% chance of showers. Lows in the mid 60s. Highs in the mid 80s.
Friday... Partly cloudy with a 20% chance of showers. Lows in the mid 60s. Highs in the mid 80s.
Friday Night... Mostly clear. A 20% chance of showers. Lows in the lower 60s. Highs in the lower 80s.
POP = Probability of Precipitation
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