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Portland, IA 7-Day Weather Forecast
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Portland Weather Forecast
Portland, IA Weather Forecast Date: 1022 AM CDT Fri Aug 14 2026
Weather forecast for Portland, IA
Today Hi: 75°FHi: 24°C Lo: 65°F Lo: 18°C |
Rest of Today... A chance of showers and thunderstorms late this morning, then showers and thunderstorms likely this afternoon. Highs in the mid 70s. Southeast winds 10 to 15 mph. Chance of rain 70%. |
| Sat Hi: 81°FHi: 27°C Lo: 65°F Lo: 18°C |
Saturday... Mostly cloudy in the morning, then becoming partly sunny. A chance of showers and thunderstorms. Humid with highs in the lower 80s. East winds around 5 mph, becoming northwest in the afternoon. Chance of rain 40%. |
Sun Hi: 79°FHi: 26°C Lo: 59°F Lo: 15°C |
Sunday... Mostly sunny. Humid with highs in the upper 70s. Northwest winds 10 to 15 mph. |
| Mon Hi: 79°FHi: 26°C Lo: 59°F Lo: 15°C |
Monday... Sunny. Highs in the upper 70s. |
| Tue Hi: 79°FHi: 26°C Lo: 61°F Lo: 16°C |
Tuesday... Partly sunny. A chance of showers with a slight chance of thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of rain 50%. |
| Wed Hi: 75°FHi: 24°C Lo: 59°F Lo: 15°C |
Wednesday... Mostly cloudy in the morning, then becoming mostly sunny. A slight chance of showers and thunderstorms. Highs in the mid 70s. Chance of rain 20%. |
Thu Hi: 75°FHi: 24°C |
Thursday... Partly sunny. A slight chance of showers in the morning. Highs in the mid 70s. Chance of rain 20%. |
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