Galena, IL Weather Forecast

Local 7-day forecast

80°
F

Mostly Cloudy then Chance Rain Showers

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

Saturday, August 29, 2026
Wind: 5 to 10 mph S
Saturday

A chance of rain showers after 1pm. Mostly cloudy, with a high near 80. Chance of precipitation is 30%.

Local 7-day forecast

Local Weather Overview

This forecast page for Galena, 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: Aug 27, 2026 6:23 PM CDT.

The active forecast window currently covers Aug 29 to Sep 2, 2026 for Galena, IL.

Page Snapshot

Page focus
city weather
Forecast window
Aug 29 to Sep 2, 2026
Latest sync
Aug 27, 2026 6:23 PM CDT
Forecast office
DVN
Source
NOAA / NWS
Next High
80°F
Saturday
Next Low
68°F
Saturday Night
Rain Outlook
10
Periods mentioning precipitation
Windiest
5 to 10 mph
Saturday

Daily Outlook

Today
Aug 29
Mostly Cloudy then Chance Rain Showers
80 °F
/ 68°F
Wind 5 to 10 mph
Sun
Aug 30
Chance Showers And Thunderstorms
88 °F
/ 73°F
Wind 10 mph
Mon
Aug 31
Chance Showers And Thunderstorms
88 °F
/ 71°F
Wind 5 to 10 mph
Tue
Sep 1
Chance Showers And Thunderstorms
86 °F
/ 70°F
Wind 0 to 5 mph
Wed
Sep 2
Chance Showers And Thunderstorms
86 °F
/ 69°F
Wind 0 to 5 mph

This Week in Galena

Sunday looks like the warmest upcoming period in Galena at 88 degrees F.

Saturday Night is the coolest period ahead with temperatures near 68 degrees F.

The strongest winds are forecast for Saturday at about 5 to 10 mph S.

Precipitation is mentioned in 10 upcoming forecast periods.

Forecast Details

Last updated
Aug 27, 2026 6:23 PM CDT
Coverage
5 days
Time zone
America/Chicago
Forecast office
DVN
Radar station
KDVN

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

Open NOAA source

Extended Forecast

Saturday Night
Aug 29
68°F
Chance Showers And Thunderstorms
10 mph S

A chance of rain showers before 7pm, then a chance of showers and thunderstorms between 7pm and 4am, then a chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 50%.

Sunday
Aug 30
88°F
Chance Showers And Thunderstorms
10 mph S

A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 88. Chance of precipitation is 30%.

Sunday Night
Aug 30
73°F
Chance Showers And Thunderstorms
10 mph S

A chance of showers and thunderstorms after 7pm. Partly cloudy, with a low around 73. Chance of precipitation is 40%.

Monday
Aug 31
88°F
Chance Showers And Thunderstorms
5 to 10 mph SW

A chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 88. Chance of precipitation is 40%.

Monday Night
Aug 31
71°F
Mostly Cloudy then Chance Showers And Thunderstorms
5 mph S

A chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 71. Chance of precipitation is 30%.

Tuesday
Sep 1
86°F
Chance Showers And Thunderstorms
0 to 5 mph SW

A chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms between 7am and 1pm. Mostly sunny, with a high near 86. Chance of precipitation is 40%.

Tuesday Night
Sep 1
70°F
Slight Chance Showers And Thunderstorms
0 to 5 mph S

A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 40%.

Wednesday
Sep 2
86°F
Chance Showers And Thunderstorms
0 to 5 mph S

A chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 86. Chance of precipitation is 40%.

Wednesday Night
Sep 2
69°F
Slight Chance Showers And Thunderstorms
0 to 5 mph SE

A slight chance of showers and thunderstorms between 7pm and 1am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 69. Chance of precipitation is 30%.

Detailed Forecast

Period Conditions Temp Wind
Saturday
Aug 29
Mostly Cloudy then Chance Rain Showers
80°F
5 to 10 mph
S
Saturday Night
Aug 29
Chance Showers And Thunderstorms
68°F
10 mph
S
Sunday
Aug 30
Chance Showers And Thunderstorms
88°F
10 mph
S
Sunday Night
Aug 30
Chance Showers And Thunderstorms
73°F
10 mph
S
Monday
Aug 31
Chance Showers And Thunderstorms
88°F
5 to 10 mph
SW
Monday Night
Aug 31
Mostly Cloudy then Chance Showers And Thunderstorms
71°F
5 mph
S
Tuesday
Sep 1
Chance Showers And Thunderstorms
86°F
0 to 5 mph
SW
Tuesday Night
Sep 1
Slight Chance Showers And Thunderstorms
70°F
0 to 5 mph
S
Wednesday
Sep 2
Chance Showers And Thunderstorms
86°F
0 to 5 mph
S
Wednesday Night
Sep 2
Slight Chance Showers And Thunderstorms
69°F
0 to 5 mph
SE
Galena Illinois skyline
Galena Illinois skyline 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.