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Dayton, IA Weather Forecast

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Dayton, IA Weather Forecast

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Dayton IA weather - Lightning Observed - 64°F
Lightning Observed
64°F
Updated 2:54 pm
Feels Like 64°F
Humidity 67%
Wind VRB 5 mph
Barometer  29.9 in
Dew Point 53°F
Dayton IA weather - Lightning Observed - 18°C
Lightning Observed
18°C
Updated 2:54 pm
Feels Like 18°C
Humidity 67%
Wind VRB 8 km/h
Barometer  101.2 kPa
Dew Point 12°C
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Dayton Weather Forecast

THIS AFTERNOON TONIGHT WEDNESDAY WEDNESDAY NIGHT THURSDAY THURSDAY NIGHT FRIDAY FRIDAY NIGHT SATURDAY SATURDAY NIGHT SUNDAY SUNDAY NIGHT
Dayton, IA Weather - This Afternoon Partly Sunny Dayton, IA Weather - Tonight Mostly Cloudy Dayton, IA Weather - Wednesday Partly Sunny Dayton, IA Weather - Wednesday Night Chance Of T-Storm Dayton, IA Weather - Thursday Chance Of T-Storm Dayton, IA Weather - Thursday Night Clearing Dayton, IA Weather - Friday Mostly Sunny Dayton, IA Weather - Friday Night Clear Dayton, IA Weather - Saturday Sunny Dayton, IA Weather - Saturday Night Mostly Clear Dayton, IA Weather - Sunday Mostly Sunny Dayton, IA Weather - Sunday Night Mostly Cloudy
Partly Sunny Mostly Cloudy Partly Sunny Chance of T-Storm Chance of T-Storm Clearing Mostly Sunny Clear Sunny Mostly Clear Mostly Sunny Mostly Cloudy
Hi: 61°FHi: 16°C
 Lo: 49°FLo: 9°C Hi: 65°FHi: 18°C
 Lo: 50°FLo: 10°C Hi: 61°FHi: 16°C
 Lo: 41°FLo: 5°C Hi: 55°FHi: 13°C
 Lo: 31°FLo: -1°C Hi: 61°FHi: 16°C
 Lo: 41°FLo: 5°C Hi: 65°FHi: 18°C
 Lo: 49°FLo: 9°C
POP: 70% POP: 90%
POP = Probability of Precipitation.
Weather Outlook Updated: 128 PM CDT Tue Oct 13 2026 Dayton, IA Weather - WeatherWorld.com

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Issued: 1256 PM CDT Tue Oct 13 2026

Key Messages

  • Isolated areas of showers and storms remain possible near/south of the I-80 corridor through sunrise.
  • Shower and storm coverage increases through the afternoon and especially this evening/early Wednesday, with highest chances (70-90%) over southern Iowa. A Marginal (1 out of 5) Risk of severe weather exists tonight/early Wednesday, with hail, gusty winds, and/or pockets of heavy rain possible.
  • More widespread precipitation expected Wednesday night and Thursday.
  • Seasonal temperatures ...