10-day forecast for Lyons, IL: 62° to 91°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
86°
Best day: Saturday, August 8
87° · 0.87 in
Worst day: Sunday, August 9
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0987° / 65°0.87
Morning71°feels 71°
Afternoon83°feels 95°
Evening80°feels 87°
Overnight67°feels 67°
87 °
Lyons, Sunday, 9 August
Heavy rain. High 87°, low 65°.
Pressure29.97 inHg
Wind5.7 mph E
Humidity98%
Visibility6.2 mi
Dew point70°
Mon, 1091° / 71°0.46
Morning74°feels 76°
Afternoon91°feels 97°
Evening77°feels 78°
Overnight71°feels 73°
91 °
Lyons, Monday, 10 August
Rain. High 91°, low 71°.
Pressure29.88 inHg
Wind7.2 mph SW
Humidity53%
Visibility6.2 mi
Dew point68°
Tue, 1183° / 72°0.09
Morning74°feels 76°
Afternoon80°feels 80°
Evening76°feels 78°
Overnight73°feels 73°
83 °
Lyons, Tuesday, 11 August
Light rain. High 83°, low 72°.
Pressure29.77 inHg
Wind13 mph W
Humidity59%
Visibility6.2 mi
Dew point67°
Wed, 1288° / 68°0.05
Morning72°feels 73°
Afternoon85°feels 87°
Evening77°feels 78°
Overnight70°feels 71°
88 °
Lyons, Wednesday, 12 August
Light rain. High 88°, low 68°.
Pressure29.85 inHg
Wind1.3 mph S
Humidity53%
Visibility6.2 mi
Dew point65°
Thu, 1374° / 65°0.1
Morning69°feels 69°
Afternoon68°feels 68°
Evening70°feels 69°
Overnight66°feels 66°
74 °
Lyons, Thursday, 13 August
Light rain. High 74°, low 65°.
Pressure29.91 inHg
Wind7.1 mph N
Humidity71%
Visibility—
Dew point58°
Fri, 1479° / 62°0
Morning67°feels 66°
Afternoon78°feels 78°
Evening73°feels 73°
Overnight67°feels 66°
79 °
Lyons, Friday, 14 August
Clear. High 79°, low 62°.
Pressure30.15 inHg
Wind9 mph W
Humidity32%
Visibility—
Dew point44°
Sat, 1580° / 62°0
Morning67°feels 67°
Afternoon79°feels 79°
Evening75°feels 75°
Overnight69°feels 69°
80 °
Lyons, Saturday, 15 August
Overcast. High 80°, low 62°.
Pressure30.18 inHg
Wind7.8 mph SW
Humidity41%
Visibility—
Dew point52°
Sun, 1681° / 66°0.03
Morning71°feels 71°
Afternoon80°feels 79°
Evening71°feels 71°
Overnight68°feels 68°
81 °
Lyons, Sunday, 16 August
Light rain. High 81°, low 66°.
Pressure30.15 inHg
Wind7.1 mph S
Humidity39%
Visibility—
Dew point52°
Mon, 1775° / 65°0.06
Morning67°feels 67°
Afternoon71°feels 71°
Evening71°feels 72°
Overnight69°feels 69°
75 °
Lyons, Monday, 17 August
Light rain. High 75°, low 65°.
Pressure30.00 inHg
Wind5.9 mph E
Humidity77%
Visibility—
Dew point62°
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 Lyons, 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.