Junction City, WI Weather Forecast

Local 7-day forecast

81°

Mostly Sunny

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

Saturday, May 30, 2026

Wind: 6 to 13 mph E

Saturday

Mostly sunny, with a high near 81.

Local 7-day forecast

Local Weather Overview

This forecast page for Junction City, 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 11:33 PM CDT.

The active forecast window currently covers May 30 to Jun 3, 2026 for Junction City, WI.

Page Snapshot

Page focus: city weather
Forecast window: May 30 to Jun 3, 2026
Latest sync: May 27, 2026 11:33 PM CDT
Forecast office: GRB
Source: NOAA / NWS

Next High

81°F

Saturday

Next Low

51°F

Saturday Night

Rain Outlook

Periods mentioning precipitation

Windiest

6 to 13 mph

Saturday

Daily Outlook

Today

May 30

Mostly Sunny

81 °F

/ 51°F

Wind 6 to 13 mph

Sun

May 31

Mostly Sunny

84 °F

/ 55°F

Wind 6 mph

Mon

Jun 1

Sunny

82 °F

/ 53°F

Wind 5 to 9 mph

Tue

Jun 2

Sunny

82 °F

/ 54°F

Wind 5 to 8 mph

Wed

Jun 3

Sunny

84 °F

Wind 3 to 10 mph

This Week in Junction City

Sunday looks like the warmest upcoming period in Junction City at 84 degrees F.

Saturday Night is the coolest period ahead with temperatures near 51 degrees F.

The strongest winds are forecast for Saturday at about 6 to 13 mph E.

The forecast from May 30 through Jun 3 stays mostly dry.

Forecast Details

Last updated: May 27, 2026 11:33 PM CDT
Coverage: 5 days
Time zone: America/Chicago
Forecast office: GRB
Radar station: KGRB

Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.

Open NOAA source

Extended Forecast

Saturday Night

May 30

51°F

Partly Cloudy

5 to 12 mph ESE

Partly cloudy, with a low around 51.

Sunday

May 31

84°F

Mostly Sunny

6 mph SSE

Mostly sunny, with a high near 84.

Sunday Night

May 31

55°F

Partly Cloudy

5 mph ENE

Partly cloudy, with a low around 55.

Monday

Jun 1

82°F

Sunny

5 to 9 mph ENE

Sunny, with a high near 82.

Monday Night

Jun 1

53°F

Mostly Clear

5 to 9 mph E

Mostly clear, with a low around 53.

Tuesday

Jun 2

82°F

Sunny

5 to 8 mph ENE

Sunny, with a high near 82.

Tuesday Night

Jun 2

54°F

Mostly Clear

3 to 7 mph SE

Mostly clear, with a low around 54.

Wednesday

Jun 3

84°F

Sunny

3 to 10 mph SSW

Sunny, with a high near 84.

Detailed Forecast

Period	Conditions	Temp	Wind	Details
Saturday May 30	Mostly Sunny	81°F	6 to 13 mph E	Mostly sunny, with a high near 81.
Saturday Night May 30	Partly Cloudy	51°F	5 to 12 mph ESE	Partly cloudy, with a low around 51.
Sunday May 31	Mostly Sunny	84°F	6 mph SSE	Mostly sunny, with a high near 84.
Sunday Night May 31	Partly Cloudy	55°F	5 mph ENE	Partly cloudy, with a low around 55.
Monday Jun 1	Sunny	82°F	5 to 9 mph ENE	Sunny, with a high near 82.
Monday Night Jun 1	Mostly Clear	53°F	5 to 9 mph E	Mostly clear, with a low around 53.
Tuesday Jun 2	Sunny	82°F	5 to 8 mph ENE	Sunny, with a high near 82.
Tuesday Night Jun 2	Mostly Clear	54°F	3 to 7 mph SE	Mostly clear, with a low around 54.
Wednesday Jun 3	Sunny	84°F	3 to 10 mph SSW	Sunny, with a high near 84.

Nearby Forecasts

Explore weather pages for nearby cities and major places around Junction City.

Region Links

Portage County weather

County forecast page

Wisconsin weather

Statewide weather overview

United States weather

National weather entry point

Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.