Byron, WI Weather Forecast

Local 7-day forecast

57°
F

Partly Sunny

Track current conditions, temperature changes, wind, and the full daily outlook for Byron, WI in one place.

Monday, November 9, 2026
Wind: 10 mph SW
This Afternoon

Partly sunny, with a high near 57. Southwest wind around 10 mph.

Local 7-day forecast

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: Nov 9, 2026 3:22 PM CST.

The active forecast window currently covers Nov 9 to Nov 15, 2026 for Byron, WI.

Page Snapshot

Page focus
city weather
Forecast window
Nov 9 to Nov 15, 2026
Latest sync
Nov 9, 2026 3:22 PM CST
Forecast office
MKX
Source
NOAA / NWS
Next High
57°F
This Afternoon
Next Low
37°F
Tonight
Rain Outlook
3
Periods mentioning precipitation
Windiest
15 to 20 mph
Thursday

Daily Outlook

Today
Nov 9
Partly Sunny
57 °F
/ 37°F
Wind 10 mph
Tue
Nov 10
Sunny
58 °F
/ 37°F
Wind 5 to 10 mph
Wed
Nov 11
Chance Light Rain
50 °F
/ 32°F
Wind 0 to 5 mph
Thu
Nov 12
Mostly Cloudy
41 °F
/ 27°F
Wind 15 to 20 mph
Fri
Nov 13
Mostly Sunny
40 °F
/ 25°F
Wind 5 to 15 mph
Sat
Nov 14
Sunny
43 °F
/ 28°F
Wind 0 to 5 mph
Sun
Nov 15
Sunny
47 °F
/ 34°F
Wind 0 to 5 mph

This Week in Byron

Tuesday looks like the warmest upcoming period in Byron at 58 degrees F.

Friday Night is the coolest period ahead with temperatures near 25 degrees F.

The strongest winds are forecast for Thursday at about 15 to 20 mph N.

Precipitation is mentioned in 3 upcoming forecast periods.

Forecast Details

Last updated
Nov 9, 2026 3:22 PM CST
Coverage
8 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 source

Extended Forecast

Tonight
Nov 9
37°F
Mostly Clear
5 to 10 mph W

Mostly clear, with a low around 37. West wind 5 to 10 mph.

Tuesday
Nov 10
58°F
Sunny
5 to 10 mph NW

Sunny. High near 58, with temperatures falling to around 51 in the afternoon. Northwest wind 5 to 10 mph.

Tuesday Night
Nov 10
37°F
Mostly Cloudy then Slight Chance Light Rain
0 to 5 mph W

A slight chance of rain after 5am. Mostly cloudy, with a low around 37. West wind 0 to 5 mph. Chance of precipitation is 20%.

Veterans Day
Nov 11
50°F
Chance Light Rain
0 to 5 mph NE

A chance of rain. Mostly cloudy. High near 50, with temperatures falling to around 44 in the afternoon. Northeast wind 0 to 5 mph. Chance of precipitation is 30%.

Wednesday Night
Nov 11
32°F
Chance Light Rain then Mostly Cloudy
5 to 15 mph N

A chance of rain before midnight. Mostly cloudy, with a low around 32. North wind 5 to 15 mph. Chance of precipitation is 30%.

Thursday
Nov 12
41°F
Mostly Cloudy
15 to 20 mph N

Mostly cloudy, with a high near 41. North wind 15 to 20 mph, with gusts as high as 30 mph.

Thursday Night
Nov 12
27°F
Mostly Cloudy
10 to 15 mph N

Mostly cloudy, with a low around 27. North wind 10 to 15 mph.

Friday
Nov 13
40°F
Mostly Sunny
5 to 15 mph N

Mostly sunny. High near 40, with temperatures falling to around 35 in the afternoon.

Friday Night
Nov 13
25°F
Mostly Clear
5 mph N

Mostly clear, with a low around 25.

Saturday
Nov 14
43°F
Sunny
0 to 5 mph NW

Sunny. High near 43, with temperatures falling to around 37 in the afternoon.

Saturday Night
Nov 14
28°F
Mostly Clear
0 mph

Mostly clear, with a low around 28.

Sunday
Nov 15
47°F
Sunny
0 to 5 mph SW

Sunny. High near 47, with temperatures falling to around 41 in the afternoon.

Sunday Night
Nov 15
34°F
Partly Cloudy
5 mph S

Partly cloudy, with a low around 34.

Detailed Forecast

Period Conditions Temp Wind
This Afternoon
Nov 9
Partly Sunny
57°F
10 mph
SW
Tonight
Nov 9
Mostly Clear
37°F
5 to 10 mph
W
Tuesday
Nov 10
Sunny
58°F
5 to 10 mph
NW
Tuesday Night
Nov 10
Mostly Cloudy then Slight Chance Light Rain
37°F
0 to 5 mph
W
Veterans Day
Nov 11
Chance Light Rain
50°F
0 to 5 mph
NE
Wednesday Night
Nov 11
Chance Light Rain then Mostly Cloudy
32°F
5 to 15 mph
N
Thursday
Nov 12
Mostly Cloudy
41°F
15 to 20 mph
N
Thursday Night
Nov 12
Mostly Cloudy
27°F
10 to 15 mph
N
Friday
Nov 13
Mostly Sunny
40°F
5 to 15 mph
N
Friday Night
Nov 13
Mostly Clear
25°F
5 mph
N
Saturday
Nov 14
Sunny
43°F
0 to 5 mph
NW
Saturday Night
Nov 14
Mostly Clear
28°F
0 mph
Sunday
Nov 15
Sunny
47°F
0 to 5 mph
SW
Sunday Night
Nov 15
Partly Cloudy
34°F
5 mph
S
Byron Wisconsin town hall
Byron Wisconsin town hall image
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.