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 75. West wind 5 to 15 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: Oct 12, 2026 1:04 AM CDT.
The active forecast window currently covers Oct 13 to Oct 18, 2026 for Grafton, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 12, 2026 1:04 AM CDT
- Forecast office
- MKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Grafton
Tuesday looks like the warmest upcoming period in Grafton at 75 degrees F.
Friday Night is the coolest period ahead with temperatures near 34 degrees F.
The strongest winds are forecast for Friday at about 15 to 30 mph NW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 12, 2026 1:04 AM CDT
- Coverage
- 6 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
A slight chance of rain showers between 7pm and 1am. Partly cloudy, with a low around 54. North wind 0 to 5 mph. Chance of precipitation is 20%.
Partly sunny, with a high near 64. Northeast wind around 5 mph.
Mostly cloudy, with a low around 50. Northeast wind around 5 mph.
Rain showers likely after 7am. Partly sunny, with a high near 62. East wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Rain showers likely. Mostly cloudy, with a low around 46. Chance of precipitation is 60%.
A slight chance of rain showers before 7am. Partly sunny. High near 57, with temperatures falling to around 52 in the afternoon. Chance of precipitation is 20%.
Partly cloudy, with a low around 34.
Sunny, with a high near 52.
Mostly clear, with a low around 36.
Sunny, with a high near 59.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Sunny
|
75°F |
5 to 15 mph
W
|
|
Tuesday Night
Oct 13
|
Slight Chance Rain Showers
|
54°F |
0 to 5 mph
N
|
|
Wednesday
Oct 14
|
Partly Sunny
|
64°F |
5 mph
NE
|
|
Wednesday Night
Oct 14
|
Mostly Cloudy
|
50°F |
5 mph
NE
|
|
Thursday
Oct 15
|
Rain Showers Likely
|
62°F |
5 to 10 mph
E
|
|
Thursday Night
Oct 15
|
Rain Showers Likely
|
46°F |
5 to 15 mph
S
|
|
Friday
Oct 16
|
Slight Chance Rain Showers then Partly Sunny
|
57°F |
15 to 30 mph
NW
|
|
Friday Night
Oct 16
|
Partly Cloudy
|
34°F |
10 to 20 mph
NW
|
|
Saturday
Oct 17
|
Sunny
|
52°F |
5 to 10 mph
NW
|
|
Saturday Night
Oct 17
|
Mostly Clear
|
36°F |
5 mph
W
|
|
Sunday
Oct 18
|
Sunny
|
59°F |
10 to 20 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grafton.
