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Portland, MO Weather Forecast
Portland, MO Weather Forecast Date: 127 PM CDT Mon Oct 12 2026
The area/counties/county of: Audrain County Mo, including the cities of: Mexico and Fulton.or toggle through each period.
This Afternoon... Mostly sunny. Highs in the lower 90s. Southwest winds 10 to 15 mph with gusts up to 30 mph.
Tonight... Mostly clear. Lows in the upper 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph.
Tuesday... Sunny. More humid with highs in the mid 90s. Southwest winds 5 to 10 mph with gusts up to 20 mph. Heat index values up to 102 in the afternoon.
Tuesday Night... Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy with showers with a chance of thunderstorms after midnight. Lows in the upper 60s. Southwest winds around 5 mph. Chance of rain 90%.
Wednesday... A chance of thunderstorms. Showers. Much cooler with highs in the upper 70s. West winds around 5 mph, becoming northeast in the afternoon. Chance of rain near 100%.
Wednesday Night... A chance of thunderstorms. A chance of showers in the evening, then showers after midnight. Lows in the mid 60s. Chance of rain 80%.
Thursday... A chance of thunderstorms. Showers. Highs in the upper 70s. Chance of rain near 100%.
Thursday Night... Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Much cooler with lows in the upper 40s. Chance of rain 50%.
Friday... Partly cloudy. Highs in the lower 60s. Lows in the upper 30s.
Friday Night... Partly cloudy. Highs in the lower 60s. Lows in the upper 30s.
Saturday... Mostly clear. Highs in the lower 60s. Lows in the upper 30s.
Saturday Night... Mostly clear. Highs in the lower 60s. Lows in the upper 30s.
POP = Probability of Precipitation
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