Alton, Iowa

Loading forecast...

Superior

Alton

Forecasters

Microsoft

The Weather Channel

*Based on accuracy data from Spencer, the nearest location with data.

Your business shouldn't ride on an inaccurate forecast.

ForecastWatch gives you independent accuracy intelligence for the forecasts you already depend on — so you know exactly how much to trust tomorrow's numbers.

Talk to Us →

Average change in

Temperature

Average change in high temperature day-to-day

Last 12 months:

7.6°F

Average change in low temperature day-to-day

Last 12 months:

8.9°F

Average change in

Precipitation

Chance of dry day after a precip day

Last 12 months:

59%

Chance of precip day after a dry day

Last 12 months:

16%

Did You

Know?

Alton has more changeable low temperatures than 97% of cities we track.