Weather in Alton, Illinois, United States

7-Day Detailed Weather Forecast for Alton

This Afternoon

Temperature: 82°F

Wind Speed: 7 mph

Wind Direction: SE

Forecast: Mostly cloudy, with a high near 82. Southeast wind around 7 mph.

Tonight

Temperature: 59°F

Wind Speed: 6 mph

Wind Direction: E

Forecast: Partly cloudy, with a low around 59. East wind around 6 mph.

Wednesday

Temperature: 89°F

Wind Speed: 5 mph

Wind Direction: S

Forecast: Mostly sunny, with a high near 89. South wind around 5 mph.

Wednesday Night

Temperature: 62°F

Wind Speed: 3 mph

Wind Direction: E

Forecast: Mostly clear, with a low around 62. East wind around 3 mph.

Thursday

Temperature: 91°F

Wind Speed: 5 mph

Wind Direction: E

Forecast: Sunny, with a high near 91. East wind around 5 mph.

Thursday Night

Temperature: 64°F

Wind Speed: 3 mph

Wind Direction: E

Forecast: Mostly clear, with a low around 64.

Friday

Temperature: 93°F

Wind Speed: 2 to 6 mph

Wind Direction: SE

Forecast: Sunny, with a high near 93.

Friday Night

Temperature: 68°F

Wind Speed: 6 mph

Wind Direction: SE

Forecast: Mostly clear, with a low around 68.

Saturday

Temperature: 94°F

Wind Speed: 6 mph

Wind Direction: S

Forecast: Mostly sunny, with a high near 94.

Saturday Night

Temperature: 69°F

Wind Speed: 6 mph

Wind Direction: SE

Forecast: Partly cloudy, with a low around 69.

Sunday

Temperature: 93°F

Wind Speed: 2 to 6 mph

Wind Direction: S

Forecast: Mostly sunny, with a high near 93.

Sunday Night

Temperature: 68°F

Wind Speed: 5 mph

Wind Direction: SE

Forecast: Partly cloudy, with a low around 68.

Monday

Temperature: 93°F

Wind Speed: 2 to 6 mph

Wind Direction: W

Forecast: Mostly sunny, with a high near 93.

Monday Night

Temperature: 67°F

Wind Speed: 5 mph

Wind Direction: E

Forecast: Mostly clear, with a low around 67.