Olney, IL Weather Forecast

Local 7-day forecast

81°
F

Mostly Sunny

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

Saturday, May 30, 2026
Wind: 3 to 7 mph ENE
Saturday

Mostly sunny, with a high near 81. East northeast wind 3 to 7 mph.

Local 7-day forecast

Local Weather Overview

This forecast page for Olney, IL 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 11:53 PM CDT.

The active forecast window currently covers May 30 to Jun 3, 2026 for Olney, IL.

Page Snapshot

Page focus
city weather
Forecast window
May 30 to Jun 3, 2026
Latest sync
May 27, 2026 11:53 PM CDT
Forecast office
ILX
Source
NOAA / NWS
Next High
81°F
Saturday
Next Low
60°F
Saturday Night
Rain Outlook
0
Periods mentioning precipitation
Windiest
6 to 10 mph
Tuesday

Daily Outlook

Today
May 30
Mostly Sunny
81 °F
/ 60°F
Wind 3 to 7 mph
Sun
May 31
Mostly Sunny
79 °F
/ 60°F
Wind 7 mph
Mon
Jun 1
Mostly Sunny
81 °F
/ 60°F
Wind 3 to 7 mph
Tue
Jun 2
Sunny
80 °F
/ 57°F
Wind 6 to 10 mph
Wed
Jun 3
Sunny
80 °F
Wind 7 mph

This Week in Olney

Saturday looks like the warmest upcoming period in Olney at 81 degrees F.

Tuesday Night is the coolest period ahead with temperatures near 57 degrees F.

The strongest winds are forecast for Tuesday at about 6 to 10 mph NE.

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

Forecast Details

Last updated
May 27, 2026 11:53 PM CDT
Coverage
5 days
Time zone
America/Chicago
Forecast office
ILX
Radar station
KVWX

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
60°F
Partly Cloudy
7 mph ENE

Partly cloudy, with a low around 60. East northeast wind around 7 mph.

Sunday
May 31
79°F
Mostly Sunny
7 mph ENE

Mostly sunny, with a high near 79.

Sunday Night
May 31
60°F
Partly Cloudy
5 mph NE

Partly cloudy, with a low around 60.

Monday
Jun 1
81°F
Mostly Sunny
3 to 7 mph NNE

Mostly sunny, with a high near 81.

Monday Night
Jun 1
60°F
Mostly Clear
6 mph NNE

Mostly clear, with a low around 60.

Tuesday
Jun 2
80°F
Sunny
6 to 10 mph NE

Sunny, with a high near 80.

Tuesday Night
Jun 2
57°F
Mostly Clear
5 to 9 mph NE

Mostly clear, with a low around 57.

Wednesday
Jun 3
80°F
Sunny
7 mph NE

Sunny, with a high near 80.

Detailed Forecast

Period Conditions Temp Wind
Saturday
May 30
Mostly Sunny
81°F
3 to 7 mph
ENE
Saturday Night
May 30
Partly Cloudy
60°F
7 mph
ENE
Sunday
May 31
Mostly Sunny
79°F
7 mph
ENE
Sunday Night
May 31
Partly Cloudy
60°F
5 mph
NE
Monday
Jun 1
Mostly Sunny
81°F
3 to 7 mph
NNE
Monday Night
Jun 1
Mostly Clear
60°F
6 mph
NNE
Tuesday
Jun 2
Sunny
80°F
6 to 10 mph
NE
Tuesday Night
Jun 2
Mostly Clear
57°F
5 to 9 mph
NE
Wednesday
Jun 3
Sunny
80°F
7 mph
NE

Nearby Forecasts

Explore weather pages for nearby cities and major places around Olney.

Nearby forecast pages are not available for this location yet.

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