10-Day Weather Forecast - Arlington Heights, IL
- 79|62°FSunnyHourly details
Today
79°FSunny. Temperatures in the upper 70s. North winds 10 to 15 mph.
Tonight
62°FClear. Lows in the lower 60s. North winds 10 to 15 mph, diminishing to around 5 mph after midnight.
- 76|63°FSunnyHourly details
Day
76°FSunny. Highs in the lower 80s inland, but only in the upper 70s near the lake. Northeast winds 5 to 10 mph.
Night
63°FMostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s. Northeast winds around 5 mph in the evening, becoming light and variable.
- 85|67°FPartly CloudyHourly details
Day
85°FMostly sunny in the morning, then becoming partly cloudy. Highs in the mid 80s inland, but only in the lower 80s near the lake. Northwest winds around 5 mph, becoming south in the afternoon.
Night
67°FPartly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 60s. South winds around 5 mph.
- 79|67°F50% Chance of StormsHourly details
Day
79°FMostly cloudy. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 50 percent.
Night
67°FShowers likely with a chance of thunderstorms. Lows in the upper 60s. Chance of precipitation 70 percent.
Weekend Weather
- 72|64°F50% Chance of StormsHourly details
Day
72°FMostly cloudy with a chance of showers and thunderstorms. Highs in the upper 70s. Chance of precipitation 50 percent.
Night
64°FMostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 60s.
- 73|63°FPartly CloudyHourly details
Day
73°FPartly cloudy. Highs in the upper 70s.
Night
63°FMostly clear. Lows in the mid 60s.
- 79|64°FPartly Cloudy
Day
79°FPartly cloudy. Highs in the lower 80s.
Night
64°FMostly clear. Lows in the mid 60s.
- 84|69°FPartly Cloudy
Day
84°FMostly sunny in the morning, then becoming partly cloudy. Highs in the mid 80s.
Night
69°FMostly clear with a 30% chance for rain and thunderstorms. Low temperature around 69F. Dew point will be around 69F with an average humidity of 86%. Winds will be 6 mph from the SW.
- 81|68°F40% Chance of Rain
Day
81°FMostly sunny with a 40% chance for rain and thunderstorms. High temperature around 81F. Dew point will be around 69F with an average humidity of 74%. Winds will be 2 mph from the SW.
Night
68°FMostly clear with a 50% chance for rain and thunderstorms. Low temperature around 68F. Dew point will be around 65F with an average humidity of 81%. Winds will be 1 mph from the SE.
- 80|67°F30% Chance of Rain
Day
80°FSunny with a slight chance of rain. Chance of precipitation 30%. High temperature around 80F. Dew point will be around 65F with an average humidity of 68%. Winds will be 1 mph from the SE.
Night
67°FMostly clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 67F. Dew point will be around 63F with an average humidity of 77%. Winds will be 2 mph from the SE.













