Greenville, WI Weather Forecast

Local 7-day forecast

78°
F

Mostly Sunny

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

Sunday, May 31, 2026
Wind: 7 mph SE
Sunday

Mostly sunny, with a high near 78. Heat index values as high as 78. Southeast wind around 7 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Greenville, 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 30, 2026 7:23 PM CDT.

The active forecast window currently covers May 31 to Jun 5, 2026 for Greenville, WI.

Page Snapshot

Page focus
city weather
Forecast window
May 31 to Jun 5, 2026
Latest sync
May 30, 2026 7:23 PM CDT
Forecast office
GRB
Source
NOAA / NWS
Next High
78°F
Sunday
Next Low
54°F
Sunday Night
Rain Outlook
4
Periods mentioning precipitation
Windiest
7 to 14 mph
Thursday

Daily Outlook

Today
May 31
Mostly Sunny
78 °F
/ 54°F
Wind 7 mph
Mon
Jun 1
Mostly Sunny
81 °F
/ 52°F
Wind 2 to 10 mph
Tue
Jun 2
Sunny
80 °F
/ 52°F
Wind 7 mph
Wed
Jun 3
Sunny
84 °F
/ 59°F
Wind 2 to 7 mph
Thu
Jun 4
Mostly Sunny then Slight Chance Rain Showers
85 °F
/ 63°F
Wind 7 to 14 mph
Fri
Jun 5
Chance Showers And Thunderstorms
83 °F
/ 60°F
Wind 8 to 12 mph

This Week in Greenville

Thursday looks like the warmest upcoming period in Greenville at 85 degrees F.

Monday Night is the coolest period ahead with temperatures near 52 degrees F.

The strongest winds are forecast for Thursday at about 7 to 14 mph SW.

Precipitation is mentioned in 4 upcoming forecast periods.

Forecast Details

Last updated
May 30, 2026 7:23 PM CDT
Coverage
6 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

Sunday Night
May 31
54°F
Partly Cloudy
0 to 6 mph S

Partly cloudy, with a low around 54. South wind 0 to 6 mph.

Monday
Jun 1
81°F
Mostly Sunny
2 to 10 mph NE

Mostly sunny, with a high near 81. Northeast wind 2 to 10 mph, with gusts as high as 18 mph.

Monday Night
Jun 1
52°F
Mostly Clear
3 to 10 mph ENE

Mostly clear, with a low around 52.

Tuesday
Jun 2
80°F
Sunny
7 mph E

Sunny, with a high near 80.

Tuesday Night
Jun 2
52°F
Mostly Clear
1 to 5 mph SSE

Mostly clear, with a low around 52.

Wednesday
Jun 3
84°F
Sunny
2 to 7 mph SSW

Sunny, with a high near 84.

Wednesday Night
Jun 3
59°F
Partly Cloudy
7 mph S

Partly cloudy, with a low around 59.

Thursday
Jun 4
85°F
Mostly Sunny then Slight Chance Rain Showers
7 to 14 mph SW

A slight chance of rain showers after 1pm. Mostly sunny, with a high near 85. Chance of precipitation is 20%.

Thursday Night
Jun 4
63°F
Chance Showers And Thunderstorms
8 to 13 mph SW

A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 40%.

Friday
Jun 5
83°F
Chance Showers And Thunderstorms
8 to 12 mph SW

A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 83. Chance of precipitation is 50%.

Friday Night
Jun 5
60°F
Chance Showers And Thunderstorms
6 to 12 mph SW

A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 50%.

Detailed Forecast

Period Conditions Temp Wind
Sunday
May 31
Mostly Sunny
78°F
7 mph
SE
Sunday Night
May 31
Partly Cloudy
54°F
0 to 6 mph
S
Monday
Jun 1
Mostly Sunny
81°F
2 to 10 mph
NE
Monday Night
Jun 1
Mostly Clear
52°F
3 to 10 mph
ENE
Tuesday
Jun 2
Sunny
80°F
7 mph
E
Tuesday Night
Jun 2
Mostly Clear
52°F
1 to 5 mph
SSE
Wednesday
Jun 3
Sunny
84°F
2 to 7 mph
SSW
Wednesday Night
Jun 3
Partly Cloudy
59°F
7 mph
S
Thursday
Jun 4
Mostly Sunny then Slight Chance Rain Showers
85°F
7 to 14 mph
SW
Thursday Night
Jun 4
Chance Showers And Thunderstorms
63°F
8 to 13 mph
SW
Friday
Jun 5
Chance Showers And Thunderstorms
83°F
8 to 12 mph
SW
Friday Night
Jun 5
Chance Showers And Thunderstorms
60°F
6 to 12 mph
SW
Weather data provided by the National Weather Service (NOAA). Forecast pages update automatically as new periods are synced for each supported U.S. location.