Jefferson, WI Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Jefferson, WI in one place.
Sunny, with a high near 95. Northwest wind 0 to 5 mph.
Local Weather Overview
This forecast page for Jefferson, 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: Jul 12, 2026 12:16 AM CDT.
The active forecast window currently covers Jul 14 to Jul 18, 2026 for Jefferson, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 18, 2026
- Latest sync
- Jul 12, 2026 12:16 AM CDT
- Forecast office
- MKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Jefferson
Tuesday looks like the warmest upcoming period in Jefferson at 95 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 68 degrees F.
The strongest winds are forecast for Saturday at about 5 to 15 mph SW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 12, 2026 12:16 AM 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 70. West wind around 5 mph.
Sunny, with a high near 93. Northwest wind around 5 mph.
Mostly clear, with a low around 68.
Sunny, with a high near 90.
A slight chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 68. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 20%.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 68. Chance of precipitation is 20%.
A slight chance of rain showers before 1pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Jul 14
|
Sunny
|
95°F |
0 to 5 mph
NW
|
|
Tuesday Night
Jul 14
|
Mostly Clear
|
70°F |
5 mph
W
|
|
Wednesday
Jul 15
|
Sunny
|
93°F |
5 mph
NW
|
|
Wednesday Night
Jul 15
|
Mostly Clear
|
68°F |
0 to 5 mph
SW
|
|
Thursday
Jul 16
|
Sunny
|
90°F |
0 to 5 mph
W
|
|
Thursday Night
Jul 16
|
Partly Cloudy then Slight Chance Showers And Thunderstorms
|
68°F |
5 mph
SW
|
|
Friday
Jul 17
|
Slight Chance Showers And Thunderstorms
|
89°F |
5 to 10 mph
SW
|
|
Friday Night
Jul 17
|
Slight Chance Showers And Thunderstorms
|
68°F |
5 to 10 mph
S
|
|
Saturday
Jul 18
|
Chance Showers And Thunderstorms
|
88°F |
5 to 15 mph
SW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Jefferson.
