Grafton, WI weather
Today, hourly and 7-day forecast, sunrise and sunset, and the normal climate month by month
Weather in Grafton now
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Grafton weather by the hour
Grafton weather for the next 7 days
Source: National Weather Service (NOAA) · forecast for the coordinates of Grafton.
This week in Grafton
Sunrise, sunset and moon in Grafton
What is the weather usually like in Grafton?
Köppen climate classification, calculated from the 1991–2020 normals
- Julywarmest month · 81°F average high
- Januarycoldest month · 17°F average low
- 35.5 inprecipitation per year · 902 mm
Average high and low temperature (°F)
Average precipitation (inches)
Best time to visit Grafton: June to September, with mild temperatures and fewer rainy days.
Source: NOAA NCEI U.S. Climate Normals 1991–2020, station GRAFTON WWTP, WI US (USC00473198), adjusted for the elevation of Grafton.
Grafton weather month by month
Sunrise and sunset in Grafton through the year
| Month | Sunrise | Sunset | Daylight |
|---|---|---|---|
| January | 7:19 AM | 4:43 PM | 9 h 23 min |
| February | 6:47 AM | 5:23 PM | 10 h 36 min |
| March | 7:01 AM | 6:59 PM | 11 h 57 min |
| April | 6:07 AM | 7:36 PM | 13 h 28 min |
| May | 5:25 AM | 8:10 PM | 14 h 45 min |
| June | 5:09 AM | 8:35 PM | 15 h 26 min |
| July | 5:23 AM | 8:31 PM | 15 h 7 min |
| August | 5:55 AM | 7:56 PM | 14 h 0 min |
| September | 6:30 AM | 7:03 PM | 12 h 33 min |
| October | 7:04 AM | 6:10 PM | 11 h 5 min |
| November | 6:43 AM | 4:29 PM | 9 h 45 min |
| December | 7:15 AM | 4:18 PM | 9 h 2 min |
Times for the 15th of each month, local time (America/Chicago).
What is the weather like in Grafton?
Grafton has a hot-summer humid continental climate. The warmest month is July, with an average high of 81°F (27°C), and the coldest is January, with average lows of 17°F (-8°C).
It gets about 35.5 inches (902 mm) of precipitation a year. The wettest month is June and the driest is January.
The best time to visit Grafton is June to September. At 709 ft of elevation, nights are mild most of the year. The live forecast on this page comes from the National Weather Service and the climate averages from NOAA’s 1991–2020 U.S. Climate Normals.
More about Grafton
Weather in towns near Grafton
Questions about the weather in Grafton
What is the hottest month in Grafton?
July, with an average high of 81°F (27°C).
What is the coldest month in Grafton?
January, with an average low of 17°F (-8°C).
How much does it rain in Grafton?
About 35.5 inches (902 mm) a year; the wettest month is June.
Does it snow in Grafton?
Snow is very rare or not recorded at the nearest weather station.
When is the best time to visit Grafton?
June to September, when temperatures are most pleasant and rainy days are fewer.
What climate does Grafton have?
Hot-summer humid continental (Köppen Dfa).
What is the weather like in Grafton in November?
Highs average 47°F and lows 31°F, with about 2.1 inches of precipitation.
What time is sunrise in Grafton?
Around 6:43 AM in mid-November, and sunset around 4:29 PM. Today’s exact times are shown above.
Where does this Grafton weather forecast come from?
From the National Weather Service (NOAA), the official U.S. weather agency, for the exact coordinates of Grafton.
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