Berkeley, IL Weather Forecast

Local 7-day forecast

72°
F

Slight Chance Rain Showers

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

Friday, September 18, 2026
Wind: 10 mph E
This Afternoon

A slight chance of rain showers. Mostly cloudy. High near 72, with temperatures falling to around 70 in the afternoon. East wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

Local 7-day forecast

Local Weather Overview

This forecast page for Berkeley, 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: Sep 18, 2026 7:41 PM CDT.

The active forecast window currently covers Sep 18 to Sep 24, 2026 for Berkeley, IL.

Page Snapshot

Page focus
city weather
Forecast window
Sep 18 to Sep 24, 2026
Latest sync
Sep 18, 2026 7:41 PM CDT
Forecast office
LOT
Source
NOAA / NWS
Next High
72°F
This Afternoon
Next Low
62°F
Tonight
Rain Outlook
10
Periods mentioning precipitation
Windiest
10 to 15 mph
Tonight

Daily Outlook

Today
Sep 18
Slight Chance Rain Showers
72 °F
/ 62°F
Wind 10 mph
Sat
Sep 19
Showers And Thunderstorms Likely
77 °F
/ 65°F
Wind 10 to 15 mph
Sun
Sep 20
Showers And Thunderstorms
68 °F
/ 57°F
Wind 10 to 15 mph
Mon
Sep 21
Chance Rain Showers
64 °F
/ 54°F
Wind 15 mph
Tue
Sep 22
Slight Chance Rain Showers
63 °F
/ 54°F
Wind 10 to 15 mph
Wed
Sep 23
Partly Sunny
65 °F
/ 54°F
Wind 10 mph
Thu
Sep 24
Partly Sunny
68 °F
/ 56°F
Wind 5 to 10 mph

This Week in Berkeley

Saturday looks like the warmest upcoming period in Berkeley at 77 degrees F.

Monday Night is the coolest period ahead with temperatures near 54 degrees F.

The strongest winds are forecast for Tonight at about 10 to 15 mph ESE.

Precipitation is mentioned in 10 upcoming forecast periods.

Forecast Details

Last updated
Sep 18, 2026 7:41 PM CDT
Coverage
7 days
Time zone
America/Chicago
Forecast office
LOT
Radar station
KLOT

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

Open NOAA source

Extended Forecast

Tonight
Sep 18
62°F
Slight Chance Rain Showers then Chance Showers And Thunderstorms
10 to 15 mph ESE

A slight chance of rain showers before 7pm, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 62. East southeast wind 10 to 15 mph. Chance of precipitation is 50%. New rainfall amounts between a quarter and half of an inch possible.

Saturday
Sep 19
77°F
Showers And Thunderstorms Likely
10 to 15 mph SE

Showers and thunderstorms likely before 8am, then showers and thunderstorms between 8am and 11am, then showers and thunderstorms likely. Mostly cloudy. High near 77, with temperatures falling to around 74 in the afternoon. Southeast wind 10 to 15 mph. Chance of precipitation is 80%. New rainfall amounts between 1 and 2 inches possible.

Saturday Night
Sep 19
65°F
Showers And Thunderstorms Likely then Showers And Thunderstorms
5 to 10 mph NE

Showers and thunderstorms likely before 10pm, then showers and thunderstorms. Cloudy, with a low around 65. Northeast wind 5 to 10 mph. Chance of precipitation is 80%.

Sunday
Sep 20
68°F
Showers And Thunderstorms
10 to 15 mph NNE

Showers and thunderstorms. Cloudy, with a high near 68. North northeast wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

Sunday Night
Sep 20
57°F
Rain Showers Likely
15 mph NE

Rain showers likely. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.

Monday
Sep 21
64°F
Chance Rain Showers
15 mph ENE

A chance of rain showers. Cloudy, with a high near 64.

Monday Night
Sep 21
54°F
Chance Rain Showers
10 to 15 mph ENE

A chance of rain showers. Mostly cloudy, with a low around 54.

Tuesday
Sep 22
63°F
Slight Chance Rain Showers
10 to 15 mph NE

A slight chance of rain showers. Mostly cloudy, with a high near 63.

Tuesday Night
Sep 22
54°F
Slight Chance Rain Showers then Mostly Cloudy
5 to 15 mph NE

A slight chance of rain showers before 7pm. Mostly cloudy, with a low around 54.

Wednesday
Sep 23
65°F
Partly Sunny
10 mph NE

Partly sunny, with a high near 65.

Wednesday Night
Sep 23
54°F
Mostly Cloudy
5 to 10 mph NNE

Mostly cloudy, with a low around 54.

Thursday
Sep 24
68°F
Partly Sunny
5 to 10 mph NNE

Partly sunny, with a high near 68.

Thursday Night
Sep 24
56°F
Mostly Cloudy
5 to 10 mph NNE

Mostly cloudy, with a low around 56.

Detailed Forecast

Period Conditions Temp Wind
This Afternoon
Sep 18
Slight Chance Rain Showers
72°F
10 mph
E
Tonight
Sep 18
Slight Chance Rain Showers then Chance Showers And Thunderstorms
62°F
10 to 15 mph
ESE
Saturday
Sep 19
Showers And Thunderstorms Likely
77°F
10 to 15 mph
SE
Saturday Night
Sep 19
Showers And Thunderstorms Likely then Showers And Thunderstorms
65°F
5 to 10 mph
NE
Sunday
Sep 20
Showers And Thunderstorms
68°F
10 to 15 mph
NNE
Sunday Night
Sep 20
Rain Showers Likely
57°F
15 mph
NE
Monday
Sep 21
Chance Rain Showers
64°F
15 mph
ENE
Monday Night
Sep 21
Chance Rain Showers
54°F
10 to 15 mph
ENE
Tuesday
Sep 22
Slight Chance Rain Showers
63°F
10 to 15 mph
NE
Tuesday Night
Sep 22
Slight Chance Rain Showers then Mostly Cloudy
54°F
5 to 15 mph
NE
Wednesday
Sep 23
Partly Sunny
65°F
10 mph
NE
Wednesday Night
Sep 23
Mostly Cloudy
54°F
5 to 10 mph
NNE
Thursday
Sep 24
Partly Sunny
68°F
5 to 10 mph
NNE
Thursday Night
Sep 24
Mostly Cloudy
56°F
5 to 10 mph
NNE
Berkeley-UP W
Berkeley-UP W 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.