Grafton, IA Weather Forecast

Local 7-day forecast

68°

Chance Showers And Thunderstorms

Track current conditions, temperature changes, wind, and the full daily outlook for Grafton, IA in one place.

Wednesday, April 15, 2026

Wind: 14 mph W

Wednesday

A chance of showers and thunderstorms. Mostly sunny, with a high near 68. Chance of precipitation is 40%.

Local 7-day forecast

Local Weather Overview

This forecast page for Grafton, 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: Apr 10, 2026 1:37 PM CDT.

The active forecast window currently covers Apr 15 to Apr 16, 2026 for Grafton, IA.

Page Snapshot

Page focus: city weather
Forecast window: Apr 15 to Apr 16, 2026
Latest sync: Apr 10, 2026 1:37 PM CDT
Forecast office: DMX
Source: NOAA / NWS

Next High

68°F

Wednesday

Next Low

48°F

Wednesday Night

Rain Outlook

Periods mentioning precipitation

Windiest

9 to 17 mph

Thursday

Daily Outlook

Today

Apr 15

Chance Showers And Thunderstorms

68 °F

/ 48°F

Wind 14 mph

Thu

Apr 16

Sunny then Slight Chance Rain Showers

75 °F

/ 44°F

Wind 9 to 17 mph

This Week in Grafton

Thursday looks like the warmest upcoming period in Grafton at 75 degrees F.

Thursday Night is the coolest period ahead with temperatures near 44 degrees F.

The strongest winds are forecast for Thursday at about 9 to 17 mph SSW.

Precipitation is mentioned in 4 upcoming forecast periods.

Forecast Details

Last updated: Apr 10, 2026 1:37 PM CDT
Coverage: 2 days
Time zone: America/Chicago
Forecast office: DMX
Radar station: KARX

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Wednesday Night

Apr 15

48°F

Chance Showers And Thunderstorms

12 mph SSW

A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 48. Chance of precipitation is 30%.

Thursday

Apr 16

75°F

Sunny then Slight Chance Rain Showers

9 to 17 mph SSW

A slight chance of rain showers after 1pm. Sunny, with a high near 75.

Thursday Night

Apr 16

44°F

Chance Rain Showers then Slight Chance Showers And Thunderstorms

12 to 16 mph WNW

A chance of rain showers before 1am, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around 44.

Detailed Forecast

Period	Conditions	Temp	Wind	Details
Wednesday Apr 15	Chance Showers And Thunderstorms	68°F	14 mph W	A chance of showers and thunderstorms. Mostly sunny, with a high near 68. Chance of precipitation is 40%.
Wednesday Night Apr 15	Chance Showers And Thunderstorms	48°F	12 mph SSW	A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 48. Chance of precipitation is 30%.
Thursday Apr 16	Sunny then Slight Chance Rain Showers	75°F	9 to 17 mph SSW	A slight chance of rain showers after 1pm. Sunny, with a high near 75.
Thursday Night Apr 16	Chance Rain Showers then Slight Chance Showers And Thunderstorms	44°F	12 to 16 mph WNW	A chance of rain showers before 1am, then a slight chance of showers and thunderstorms. Partly cloudy, with a low around...

Nearby Forecasts

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Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.