Oshkosh, WI Weather Forecast

Local 7-day forecast

85°
F

Mostly Sunny then Areas Of Smoke

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

Saturday, July 18, 2026
Wind: 13 mph NW
Saturday

Areas of smoke after 1pm. Mostly sunny, with a high near 85. Heat index values as high as 86. Northwest wind around 13 mph, with gusts as high as 21 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Oshkosh, 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 17, 2026 8:40 AM CDT.

The active forecast window currently covers Jul 18 to Jul 23, 2026 for Oshkosh, WI.

Page Snapshot

Page focus
city weather
Forecast window
Jul 18 to Jul 23, 2026
Latest sync
Jul 17, 2026 8:40 AM CDT
Forecast office
GRB
Source
NOAA / NWS
Next High
85°F
Saturday
Next Low
63°F
Saturday Night
Rain Outlook
3
Periods mentioning precipitation
Windiest
14 to 17 mph
Tuesday

Daily Outlook

Today
Jul 18
Mostly Sunny then Areas Of Smoke
85 °F
/ 63°F
Wind 13 mph
Sun
Jul 19
Sunny
84 °F
/ 66°F
Wind 2 to 6 mph
Mon
Jul 20
Showers And Thunderstorms Likely
87 °F
/ 66°F
Wind 12 to 16 mph
Tue
Jul 21
Sunny
80 °F
/ 58°F
Wind 14 to 17 mph
Wed
Jul 22
Sunny
78 °F
/ 58°F
Wind 10 mph
Thu
Jul 23
Sunny
80 °F
/ 60°F
Wind 5 to 8 mph

This Week in Oshkosh

Monday looks like the warmest upcoming period in Oshkosh at 87 degrees F.

Tuesday Night is the coolest period ahead with temperatures near 58 degrees F.

The strongest winds are forecast for Tuesday at about 14 to 17 mph NW.

Precipitation is mentioned in 3 upcoming forecast periods.

Forecast Details

Last updated
Jul 17, 2026 8:40 AM 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

Saturday Night
Jul 18
63°F
Smoke then Mostly Clear
2 to 10 mph NE

Smoke before 8pm. Mostly clear, with a low around 63. Northeast wind 2 to 10 mph.

Sunday
Jul 19
84°F
Sunny
2 to 6 mph ESE

Sunny, with a high near 84. East southeast wind 2 to 6 mph.

Sunday Night
Jul 19
66°F
Partly Cloudy then Slight Chance Rain Showers
6 to 10 mph S

A slight chance of rain showers after 1am. Partly cloudy, with a low around 66. Chance of precipitation is 20%.

Monday
Jul 20
87°F
Showers And Thunderstorms Likely
12 to 16 mph SW

A slight chance of rain showers before 7am, then showers and thunderstorms likely between 7am and 1pm, then a chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 60%.

Monday Night
Jul 20
66°F
Chance Showers And Thunderstorms
12 to 15 mph WSW

A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 66. Chance of precipitation is 50%.

Tuesday
Jul 21
80°F
Sunny
14 to 17 mph NW

Sunny, with a high near 80.

Tuesday Night
Jul 21
58°F
Mostly Clear
8 to 16 mph NNW

Mostly clear, with a low around 58.

Wednesday
Jul 22
78°F
Sunny
10 mph NW

Sunny, with a high near 78.

Wednesday Night
Jul 22
58°F
Mostly Clear
3 to 8 mph W

Mostly clear, with a low around 58.

Thursday
Jul 23
80°F
Sunny
5 to 8 mph WSW

Sunny, with a high near 80.

Thursday Night
Jul 23
60°F
Mostly Clear
7 mph SW

Mostly clear, with a low around 60.

Detailed Forecast

Period Conditions Temp Wind
Saturday
Jul 18
Mostly Sunny then Areas Of Smoke
85°F
13 mph
NW
Saturday Night
Jul 18
Smoke then Mostly Clear
63°F
2 to 10 mph
NE
Sunday
Jul 19
Sunny
84°F
2 to 6 mph
ESE
Sunday Night
Jul 19
Partly Cloudy then Slight Chance Rain Showers
66°F
6 to 10 mph
S
Monday
Jul 20
Showers And Thunderstorms Likely
87°F
12 to 16 mph
SW
Monday Night
Jul 20
Chance Showers And Thunderstorms
66°F
12 to 15 mph
WSW
Tuesday
Jul 21
Sunny
80°F
14 to 17 mph
NW
Tuesday Night
Jul 21
Mostly Clear
58°F
8 to 16 mph
NNW
Wednesday
Jul 22
Sunny
78°F
10 mph
NW
Wednesday Night
Jul 22
Mostly Clear
58°F
3 to 8 mph
W
Thursday
Jul 23
Sunny
80°F
5 to 8 mph
WSW
Thursday Night
Jul 23
Mostly Clear
60°F
7 mph
SW
Downtown Oshkosh  Wisconsin  in 2006
Downtown Oshkosh Wisconsin in 2006 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.