10-Day Weather Forecast - Decatur, IA
- |37°FMostly ClearHourly details
Tonight
37°FMostly clear. Lows in the mid 30s. Northwest winds around 5 mph.
- 60|36°FPartly SunnyHourly details
Day
60°FSunny in the morning then partly sunny with a chance of sprinkles in the afternoon. Highs in the upper 50s. West winds 5 to 10 mph.
Night
36°FPartly cloudy in the evening then becoming clear. Areas of frost after midnight. Lows in the mid 30s. North winds 5 to 10 mph.
Weekend Weather
- 61|43°FSunnyHourly details
Day
61°FAreas of frost in the morning. Sunny. Highs in the lower 60s. Northwest winds around 5 mph.
Night
43°FMostly clear. Lows in the lower 40s. Southwest winds 5 to 10 mph.
- 75|49°FMostly SunnyHourly details
Day
75°FMostly sunny. Highs in the mid 70s.
Night
49°FA slight chance of thunderstorms in the evening. Mostly cloudy with a slight chance of showers. Lows in the upper 40s. Chance of rain 20 percent.
- 78|49°FMostly SunnyHourly details
Day
78°FMostly sunny. Highs in the upper 70s.
Night
49°FPartly cloudy in the evening then becoming mostly cloudy. A chance of showers. A chance of thunderstorms mainly in the evening. Lows in the upper 40s. Chance of rain 30 percent.
- 65|47°F50% Chance of StormsHourly details
Day
65°FMostly cloudy with a chance of showers. A slight chance of thunderstorms in the morning then a chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 50 percent.
Night
47°FMostly cloudy with a slight chance of thunderstorms. A chance of showers mainly in the evening. Lows in the lower 40s. Chance of rain 50 percent.
- 63|40°FPartly SunnyHourly details
Day
63°FPartly sunny with a 20 percent chance of showers. Highs in the lower 60s.
Night
40°FMostly cloudy in the evening then clearing. Lows in the upper 30s.
- 67|46°FSunny
Day
67°FSunny. Highs in the mid 60s.
Night
46°FClear. Low temperature around 46F. Dew point will be around 40F with an average humidity of 64%. Winds will be 4 mph from the W.
- 72|49°FSunny
Day
72°FSunny. High temperature around 72F. Dew point will be around 44F with an average humidity of 51%. Winds will be 3 mph from the W.
Night
49°FClear. Low temperature around 49F. Dew point will be around 46F with an average humidity of 67%. Winds will be 2 mph from the N.
Weekend Weather
- 70|49°FPartly Cloudy
Day
70°FPartly cloudy. High temperature around 70F. Dew point will be around 48F with an average humidity of 59%. Winds will be 2 mph from the N.
Night
49°FPartly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 49F. Dew point will be around 46F with an average humidity of 71%. Winds will be 3 mph from the NE.













