Weather World
City of Washington, IAWashington, IA 7-Day Night Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Weather Quote O' the Day
Washington, IA Weather Forecast
Washington, IA Weather Forecast Date: 656 PM CDT Wed Sep 09 2026
The area/counties/county of: Washington, including the city of Washington.or toggle through each period.
Tonight... Partly cloudy this evening, then becoming mostly cloudy. Patchy fog after midnight. Lows in the lower 60s. Northwest winds 5 to 10 mph.
Thursday... Patchy fog in the morning. Mostly sunny. Highs in the lower 80s. Northeast winds around 5 mph.
Thursday Night... Mostly clear. Lows in the upper 50s. East winds around 5 mph.
Friday... Sunny. Highs in the lower 80s. South winds 5 to 10 mph.
Friday Night... Mostly clear in the evening, then becoming partly cloudy. Humid with lows in the mid 60s. South winds 5 to 10 mph.
Saturday... Mostly sunny with a chance of showers. Highs in the lower 80s. Chance of rain 40%.
Saturday Night... Partly cloudy. Lows in the lower 60s.
Sunday... Partly sunny in the morning, then becoming mostly cloudy. A chance of showers in the morning. Highs in the lower 80s. Chance of rain 40%.
Sunday Night... Mostly cloudy. A chance of showers after midnight. Lows in the upper 60s. Chance of rain 30%.
Monday... Partly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Breezy with highs in the upper 80s. Chance of rain 50%.
Monday Night... A chance of thunderstorms in the evening. Showers likely. Lows in the lower 60s. Chance of rain 70%.
Tuesday... Mostly cloudy in the morning, then becoming partly sunny. A 30% chance of showers. Not as warm with highs in the mid 70s.
Tuesday Night... Mostly cloudy with a 40% chance of showers. Lows around 60.
POP = Probability of Precipitation
Washington Radar Loop
Use the map search tool if you want to place a location marker on the radar map...