What is today's weather forecast for Grafton, IA?

Today's forecast for Grafton shows a high of 58 degrees and a low of 41 degrees Fahrenheit. Widespread frost before 10am.

What is the 7-day weather forecast for Grafton, IA?

The 7-day forecast for Grafton shows highs from 52 to 59 degrees and lows from 33 to 43 degrees Fahrenheit. Expect precipitation on 5 days with chances of 20% or higher.

Will it rain in Grafton, IA this week?

Yes, rain is possible in Grafton this week. Precipitation chances: Friday (27% chance), Saturday (29% chance), Sunday (23% chance), Monday (46% chance), Tuesday (44% chance).

How accurate is the Grafton weather forecast?

WeatherForYou provides highly accurate Grafton forecasts using National Weather Service data and current conditions from the nearest available weather stations, often miles closer than regional airports, for the most precise local forecasts.

Grafton, IA Weather Forecast and Current Conditions (50440)

Current Conditions From Nearby Local Station

37°F
Feels Like 32°F

Humidity 90% Dew Point 34°F Wind SSE 7 MPH Gusts 10 Barometer 30.25 in.768.3 mm

Solar Rad 248 w/m2 UV Index 0

Report from a personal weather station 0.3 miles WSW of central Grafton
at 9:13 AM Fri, Oct 24, 2025

Current Conditions From Nearby Local Station

37°F
Feels Like 32°F

Humidity 90% Dew Point 34°F Wind SSE 7 MPH Gusts 10 Barometer 30.25 in.768.3 mm

Solar Rad 248 w/m2 UV Index 0

Report from a personal weather station 0.3 miles WSW of central Grafton
at 9:13 AM Fri, Oct 24, 2025

Point Forecast at a Glance

FriOct 24

58°

41°

SatOct 25

30%

56°

42°

SunOct 26

20%

59°

43°

MonOct 27

40%

57°

40°

TueOct 28

40%

52°

36°

WedOct 29

53°

34°

ThuOct 30

55°

33°

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 52°F to 59°F. Unsettled weather expected with rain likely on at least 4 days.

Climate Context

This week's forecast shows temperatures running 3°F below the historical average for October. Normal highs for this period are around 59°F with lows around 37°F.

This Date in Weather History

1878 - A hurricane produced widespread damage across North Carolina, Virginia, Maryland, New Jersey and Pennsylvania. At Philadelphia PA, the hurricane was the worst of record.

Grafton 7 Day Weather Forecast Details

Friday Oct 24

Day: Widespread frost before 10am. Sunny. High near 58, with temperatures falling to around 56 in the afternoon. South southeast wind 3 to 8 mph.

Night: A chance of rain showers after 3am. Mostly cloudy. Low around 41, with temperatures rising to around 43 overnight. Southeast wind around 8 mph. Chance of precipitation is 30%.

Saturday Oct 25

Day: A chance of rain showers before 1pm. Mostly cloudy, with a high near 56. Southeast wind 8 to 12 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

Night: Mostly cloudy. Low around 42, with temperatures rising to around 44 overnight. Southeast wind around 10 mph.

Sunday Oct 26

Day: A slight chance of rain showers after 1pm. Partly sunny, with a high near 59. Southeast wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.