Dayton, IA Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Dayton, IA in one place.
Sunny. High near 91, with temperatures falling to around 89 in the afternoon. Northwest wind 5 to 10 mph.
Local Weather Overview
This forecast page for Dayton, IA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 17, 2026 4:07 PM CDT.
The active forecast window currently covers Jul 18 to Jul 23, 2026 for Dayton, IA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 18 to Jul 23, 2026
- Latest sync
- Jul 17, 2026 4:07 PM CDT
- Forecast office
- DVN
- Source
- NOAA / NWS
Daily Outlook
This Week in Dayton
Monday looks like the warmest upcoming period in Dayton at 97 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Tuesday at about 10 to 15 mph NW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 17, 2026 4:07 PM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- DVN
- Radar station
- KDMX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly clear, with a low around 65. Northeast wind 0 to 10 mph.
Sunny, with a high near 90.
Mostly clear, with a low around 70.
Sunny, with a high near 97.
A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 71. Chance of precipitation is 30%.
A chance of showers and thunderstorms before 7am. Sunny, with a high near 87. Chance of precipitation is 30%.
Mostly clear, with a low around 61.
Sunny, with a high near 82.
Mostly clear, with a low around 58.
Mostly sunny, with a high near 84.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 60.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
Jul 18
|
Sunny
|
91°F |
5 to 10 mph
NW
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
65°F |
0 to 10 mph
NE
|
|
Sunday
Jul 19
|
Sunny
|
90°F |
0 to 5 mph
E
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
70°F |
5 mph
SE
|
|
Monday
Jul 20
|
Sunny
|
97°F |
5 to 10 mph
SW
|
|
Monday Night
Jul 20
|
Chance Showers And Thunderstorms
|
71°F |
5 to 10 mph
W
|
|
Tuesday
Jul 21
|
Chance Showers And Thunderstorms then Sunny
|
87°F |
10 to 15 mph
NW
|
|
Tuesday Night
Jul 21
|
Mostly Clear
|
61°F |
5 to 15 mph
NW
|
|
Wednesday
Jul 22
|
Sunny
|
82°F |
5 mph
N
|
|
Wednesday Night
Jul 22
|
Mostly Clear
|
58°F |
0 to 5 mph
NW
|
|
Thursday
Jul 23
|
Mostly Sunny
|
84°F |
0 to 5 mph
W
|
|
Thursday Night
Jul 23
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
60°F |
0 to 5 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Dayton.