Grafton, WI Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Grafton, WI in one place.
Sunny, with a high near 71. East wind 0 to 10 mph.
Local Weather Overview
This forecast page for Grafton, WI 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: May 27, 2026 10:53 PM CDT.
The active forecast window currently covers May 30 to Jun 3, 2026 for Grafton, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- May 30 to Jun 3, 2026
- Latest sync
- May 27, 2026 10:53 PM CDT
- Forecast office
- MKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Grafton
Wednesday looks like the warmest upcoming period in Grafton at 79 degrees F.
Saturday Night is the coolest period ahead with temperatures near 49 degrees F.
The strongest winds are forecast for Saturday at about 0 to 10 mph E.
The forecast from May 30 through Jun 3 stays mostly dry.
Forecast Details
- Last updated
- May 27, 2026 10:53 PM CDT
- Coverage
- 5 days
- Time zone
- America/Chicago
- Forecast office
- MKX
- Radar station
- KMKX
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 49. East wind 0 to 10 mph.
Mostly sunny, with a high near 73. Southeast wind 0 to 5 mph.
Partly cloudy, with a low around 52.
Mostly sunny, with a high near 74.
Mostly clear, with a low around 51.
Sunny, with a high near 73.
Mostly clear, with a low around 52.
Sunny, with a high near 79.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Saturday
May 30
|
Sunny
|
71°F |
0 to 10 mph
E
|
|
Saturday Night
May 30
|
Mostly Clear
|
49°F |
0 to 10 mph
E
|
|
Sunday
May 31
|
Mostly Sunny
|
73°F |
0 to 5 mph
SE
|
|
Sunday Night
May 31
|
Partly Cloudy
|
52°F |
0 to 5 mph
NE
|
|
Monday
Jun 1
|
Mostly Sunny
|
74°F |
5 to 10 mph
NE
|
|
Monday Night
Jun 1
|
Mostly Clear
|
51°F |
5 to 10 mph
NE
|
|
Tuesday
Jun 2
|
Sunny
|
73°F |
5 to 10 mph
NE
|
|
Tuesday Night
Jun 2
|
Mostly Clear
|
52°F |
0 to 5 mph
N
|
|
Wednesday
Jun 3
|
Sunny
|
79°F |
0 to 10 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grafton.
