10-day forecast for Mettawa, IL: 63° to 89°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
84°
Best day: Wednesday, August 12
83° · 1.56 in
Worst day: Tuesday, August 11
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1089° / 72°0.56
Morning76°feels 77°
Afternoon88°feels 97°
Evening76°feels 78°
Overnight76°feels 78°
89 °
Mettawa, Monday, 10 August
Heavy rain. High 89°, low 72°.
Pressure29.91 inHg
Wind3.6 mph E
Humidity68%
Visibility6.2 mi
Dew point71°
Tue, 1183° / 66°1.56
Morning70°feels 71°
Afternoon69°feels 70°
Evening69°feels 70°
Overnight69°feels 70°
83 °
Mettawa, Tuesday, 11 August
Heavy rain. High 83°, low 66°.
Pressure29.83 inHg
Wind7.6 mph SE
Humidity63%
Visibility6.2 mi
Dew point69°
Wed, 1284° / 65°0
Morning69°feels 70°
Afternoon83°feels 86°
Evening73°feels 73°
Overnight68°feels 69°
84 °
Mettawa, Wednesday, 12 August
Clear. High 84°, low 65°.
Pressure29.85 inHg
Wind3.7 mph N
Humidity60%
Visibility6.2 mi
Dew point66°
Thu, 1374° / 65°0.04
Morning71°feels 72°
Afternoon71°feels 72°
Evening66°feels 67°
Overnight69°feels 70°
74 °
Mettawa, Thursday, 13 August
Light rain. High 74°, low 65°.
Pressure29.97 inHg
Wind7 mph E
Humidity64%
Visibility—
Dew point59°
Fri, 1473° / 64°0
Morning67°feels 67°
Afternoon72°feels 71°
Evening68°feels 67°
Overnight65°feels 65°
73 °
Mettawa, Friday, 14 August
Overcast. High 73°, low 64°.
Pressure30.18 inHg
Wind12.6 mph E
Humidity51%
Visibility—
Dew point53°
Sat, 1575° / 66°0.06
Morning69°feels 69°
Afternoon73°feels 73°
Evening70°feels 70°
Overnight67°feels 68°
75 °
Mettawa, Saturday, 15 August
Light rain. High 75°, low 66°.
Pressure30.24 inHg
Wind15.5 mph SE
Humidity48%
Visibility—
Dew point52°
Sun, 1676° / 66°0.17
Morning69°feels 69°
Afternoon74°feels 75°
Evening70°feels 71°
Overnight67°feels 67°
76 °
Mettawa, Sunday, 16 August
Light rain. High 76°, low 66°.
Pressure29.97 inHg
Wind10.4 mph NW
Humidity80%
Visibility—
Dew point67°
Mon, 1777° / 65°0
Morning68°feels 68°
Afternoon75°feels 74°
Evening71°feels 71°
Overnight67°feels 67°
77 °
Mettawa, Monday, 17 August
Overcast. High 77°, low 65°.
Pressure30.09 inHg
Wind7.1 mph N
Humidity54%
Visibility—
Dew point56°
Tue, 1879° / 63°0
Morning65°feels 65°
Afternoon70°feels 70°
Evening74°feels 75°
Overnight69°feels 70°
79 °
Mettawa, Tuesday, 18 August
Overcast. High 79°, low 63°.
Pressure29.91 inHg
Wind6.7 mph S
Humidity67%
Visibility—
Dew point57°
About this forecast
How reliable is a 10-day forecast?
The first 3–5 days are the most reliable, typically within 2–4°. From day six to ten the models show the trend: the direction of change is right more often than the exact numbers.
What does the time-of-day table show?
Temperature in Mettawa, IL around 8am, 2pm, 8pm and 2am each day — handy for planning a walk, a drive or work outdoors.
How is the best day chosen?
We weigh the daytime high against precipitation: a warm, dry day scores highest.