Weather WorldPortland, MO 7-Day Weather Forecast
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Portland Weather Forecast
Portland, MO Weather Forecast Date: 318 PM CDT Mon Oct 12 2026
Weather forecast for Portland, MO
Tonight Lo: 69°F Lo: 21°C |
Tonight... Mostly clear. Lows in the upper 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph. |
Tue Hi: 95°FHi: 35°C Lo: 69°F Lo: 21°C |
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. |
Wed Hi: 79°FHi: 26°C Lo: 65°F Lo: 18°C |
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%. |
| Thu Hi: 79°FHi: 26°C Lo: 39°F Lo: 4°C |
Thursday... A chance of thunderstorms. Showers. Highs in the upper 70s. Chance of rain near 100%. |
Fri Hi: 61°FHi: 16°C Lo: 39°F Lo: 4°C |
Friday... Partly cloudy. Highs in the lower 60s. Lows in the upper 30s. |
| Sat Hi: 61°FHi: 16°C Lo: 39°F Lo: 4°C |
Saturday... Mostly clear. Highs in the lower 60s. Lows in the upper 30s. |
| Sun Hi: 71°FHi: 22°C Lo: 49°F Lo: 9°C |
Sunday... Sunny. Highs in the lower 70s. |
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