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City of Fairfield, IAFairfield, IA 7-Day Night Weather Forecast
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Fairfield, IA Weather Forecast
Fairfield, IA Weather Forecast Date: 632 AM CDT Mon Sep 14 2026
The area/counties/county of: Jefferson, including the city of Fairfield.or toggle through each period.
Today... Mostly cloudy this morning, then becoming partly sunny. A chance of showers with a slight chance of thunderstorms. Warmer with highs in the upper 70s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 40%.
Tonight... Partly cloudy in the evening, then mostly cloudy with showers likely with a chance of thunderstorms after midnight. Locally heavy rainfall possible after midnight. Warmer. More humid with lows around 70. South winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 70%.
Tuesday... Showers with a chance of thunderstorms in the morning, then a chance of showers in the afternoon. Humid with highs in the upper 70s. Temperature falling into the lower 70s in the afternoon. Southwest winds 5 to 10 mph, becoming north in the afternoon. Chance of rain near 100%.
Tuesday Night... Mostly cloudy. A chance of showers in the evening, then showers with a chance of thunderstorms after midnight. Humid with lows in the lower 60s. Northeast winds 5 to 10 mph. Chance of rain 80%.
Wednesday... Showers, mainly in the morning. Humid with highs in the upper 70s. East winds 5 to 10 mph. Chance of rain 90%.
Wednesday Night... Mostly cloudy. A chance of showers and thunderstorms in the evening, then showers likely after midnight. Lows in the mid 60s. Chance of rain 70%.
Thursday... Showers likely in the morning. Highs in the lower 80s. Chance of rain 70%.
Thursday Night... Mostly cloudy. A chance of showers after midnight. Lows in the mid 60s. Chance of rain 40%.
Friday... Mostly cloudy in the morning, then becoming partly sunny. A chance of thunderstorms in the morning. A chance of showers. Highs in the lower 80s. Chance of rain 50%.
Friday Night... Partly cloudy with a 50% chance of showers. Lows in the mid 60s.
Saturday... Showers likely, mainly in the morning. Highs in the upper 70s. Chance of rain 60%.
Saturday Night... Mostly cloudy. A chance of showers. Lows in the lower 60s. Chance of rain 40%.
POP = Probability of Precipitation
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