10-day forecast for Lerna, IL: 40° to 76°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
76°
Best day: Friday, October 23
64°
Worst day: Friday, October 16
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 1762° / 41°0
Morning43°feels 38°
Afternoon62°feels 60°
Evening50°feels 48°
Overnight46°feels 40°
62 °
Lerna, Saturday, 17 October
Clear. High 62°, low 41°.
Pressure30.56 inHg
Wind5.1 mph NE
Humidity53%
Visibility6.2 mi
Dew point38°
Sun, 1862° / 40°0
Morning42°feels 38°
Afternoon62°feels 59°
Evening51°feels 49°
Overnight43°feels 41°
62 °
Lerna, Sunday, 18 October
Clear. High 62°, low 40°.
Pressure30.53 inHg
Wind8.4 mph S
Humidity40%
Visibility6.2 mi
Dew point34°
Mon, 1966° / 42°0
Morning44°feels 40°
Afternoon65°feels 63°
Evening55°feels 53°
Overnight46°feels 42°
66 °
Lerna, Monday, 19 October
Clear. High 66°, low 42°.
Pressure30.39 inHg
Wind3.7 mph SE
Humidity37%
Visibility6.2 mi
Dew point36°
Tue, 2068° / 44°0
Morning51°feels 49°
Afternoon65°feels 63°
Evening57°feels 55°
Overnight48°feels 46°
68 °
Lerna, Tuesday, 20 October
Clear. High 68°, low 44°.
Pressure30.36 inHg
Wind6.1 mph E
Humidity36%
Visibility—
Dew point36°
Wed, 2170° / 44°0
Morning51°feels 49°
Afternoon66°feels 64°
Evening58°feels 56°
Overnight53°feels 51°
70 °
Lerna, Wednesday, 21 October
Partly cloudy. High 70°, low 44°.
Pressure30.30 inHg
Wind5.5 mph E
Humidity33%
Visibility—
Dew point35°
Thu, 2274° / 51°0
Morning57°feels 55°
Afternoon72°feels 70°
Evening66°feels 64°
Overnight61°feels 58°
74 °
Lerna, Thursday, 22 October
Partly cloudy. High 74°, low 51°.
Pressure30.18 inHg
Wind6.2 mph SE
Humidity25%
Visibility—
Dew point32°
Fri, 2376° / 56°0
Morning61°feels 59°
Afternoon73°feels 72°
Evening65°feels 63°
Overnight60°feels 58°
76 °
Lerna, Friday, 23 October
Clear. High 76°, low 56°.
Pressure30.18 inHg
Wind7.2 mph SE
Humidity29%
Visibility—
Dew point38°
Sat, 2475° / 53°0
Morning59°feels 57°
Afternoon72°feels 70°
Evening63°feels 60°
Overnight58°feels 56°
75 °
Lerna, Saturday, 24 October
Clear. High 75°, low 53°.
Pressure30.18 inHg
Wind7.8 mph SE
Humidity28%
Visibility—
Dew point36°
Sun, 2575° / 53°0
Morning59°feels 56°
Afternoon72°feels 71°
Evening63°feels 61°
Overnight58°feels 55°
75 °
Lerna, Sunday, 25 October
Overcast. High 75°, low 53°.
Pressure30.15 inHg
Wind6.1 mph E
Humidity26%
Visibility—
Dew point34°
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 Lerna, 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.