Unlock Historical Data
Compare today's weather with yesterday's data and track temperature trends over time.
Hourly Forecast
Daylight Hours
05:16
Sunrise
20:24
Sunset
Daily Forecast
Today
Wednesday
Thursday
Friday
Saturday
Sunday
Monday
Air Quality Data Available
Upgrade to access real-time air quality data for Grafton.
Resources
UV Index
Humidity
Frequently asked questions about weather in Grafton
How warm does it get in Grafton?
The warmest month in Grafton is July, with average high temperatures of 25°C. The average temperature during this period is around 22°C.
How cold does it get in Grafton?
The coldest month in Grafton is February, with average low temperatures of -7°C. The average temperature during this period is around -3°C.
What is the wettest time of year in Grafton?
The wettest month in Grafton is April, with an average of 102mm of precipitation.
What is the driest time of year in Grafton?
The driest month in Grafton is February, with an average of 43mm of precipitation.
Explore more weather forecasts
- Cedarburg, Wisconsin
- New York City, New York
- Port Washington, Wisconsin
- Los Angeles, California
- Mequon, Wisconsin
- Brooklyn, New York
- Brown Deer, Wisconsin
- Chicago, Illinois
- Germantown, Wisconsin
- Houston, Texas
- Glendale, Wisconsin
- Queens, New York
- Whitefish Bay, Wisconsin
- Phoenix, Arizona
- Menomonee Falls, Wisconsin
- Philadelphia, Pennsylvania