Byron, WI Weather Forecast
Local 7-day forecast
Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Byron, WI in one place.
Sunny, with a high near 68. East wind 5 to 10 mph.
Local Weather Overview
This forecast page for Byron, 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: Apr 20, 2026 3:59 AM CDT.
The active forecast window currently covers Apr 22 to Apr 26, 2026 for Byron, WI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 22 to Apr 26, 2026
- Latest sync
- Apr 20, 2026 3:59 AM CDT
- Forecast office
- MKX
- Source
- NOAA / NWS
Daily Outlook
This Week in Byron
Thursday looks like the warmest upcoming period in Byron at 76 degrees F.
Saturday Night is the coolest period ahead with temperatures near 41 degrees F.
The strongest winds are forecast for Thursday at about 10 to 20 mph S.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 20, 2026 3:59 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
Partly cloudy, with a low around 50. Southeast wind around 10 mph.
Mostly sunny, with a high near 76. South wind 10 to 20 mph, with gusts as high as 30 mph.
A chance of showers and thunderstorms between 7pm and 1am, then showers and thunderstorms likely. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.
Showers and thunderstorms likely. Mostly cloudy, with a high near 69. Chance of precipitation is 70%.
A chance of rain showers before 1am. Mostly cloudy, with a low around 42. Chance of precipitation is 40%.
Mostly sunny, with a high near 61.
Partly cloudy, with a low around 41.
Mostly sunny, with a high near 60.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Apr 22
|
Sunny
|
68°F |
5 to 10 mph
E
|
|
Wednesday Night
Apr 22
|
Partly Cloudy
|
50°F |
10 mph
SE
|
|
Thursday
Apr 23
|
Mostly Sunny
|
76°F |
10 to 20 mph
S
|
|
Thursday Night
Apr 23
|
Chance Showers And Thunderstorms
|
58°F |
15 mph
S
|
|
Friday
Apr 24
|
Showers And Thunderstorms Likely
|
69°F |
15 mph
SW
|
|
Friday Night
Apr 24
|
Chance Rain Showers
|
42°F |
10 mph
NW
|
|
Saturday
Apr 25
|
Mostly Sunny
|
61°F |
10 to 15 mph
NW
|
|
Saturday Night
Apr 25
|
Partly Cloudy
|
41°F |
5 to 10 mph
N
|
|
Sunday
Apr 26
|
Mostly Sunny
|
60°F |
10 mph
NE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Byron.
