10-day forecast for Lerna, IL: 35° to 74°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
74°
Best day: Thursday, October 22
55° · 0.07 in
Worst day: Tuesday, October 27
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 2274° / 47°0
Morning51°feels 50°
Afternoon72°feels 71°
Evening60°feels 59°
Overnight50°feels 49°
74 °
Lerna, Thursday, 22 October
Clear. High 74°, low 47°.
Pressure30.27 inHg
Wind4.8 mph NE
Humidity41%
Visibility6.2 mi
Dew point46°
Fri, 2370° / 50°0
Morning52°feels 50°
Afternoon70°feels 69°
Evening59°feels 57°
Overnight54°feels 53°
70 °
Lerna, Friday, 23 October
Clear. High 70°, low 50°.
Pressure30.33 inHg
Wind5.6 mph SE
Humidity46%
Visibility6.2 mi
Dew point46°
Sat, 2469° / 49°0
Morning53°feels 52°
Afternoon69°feels 67°
Evening59°feels 58°
Overnight53°feels 52°
69 °
Lerna, Saturday, 24 October
Overcast. High 69°, low 49°.
Pressure30.39 inHg
Wind6.4 mph SE
Humidity50%
Visibility6.2 mi
Dew point46°
Sun, 2574° / 50°0
Morning56°feels 54°
Afternoon71°feels 70°
Evening63°feels 62°
Overnight57°feels 56°
74 °
Lerna, Sunday, 25 October
Overcast. High 74°, low 50°.
Pressure30.36 inHg
Wind5.7 mph SE
Humidity38%
Visibility—
Dew point43°
Mon, 2672° / 55°0
Morning60°feels 59°
Afternoon71°feels 69°
Evening63°feels 61°
Overnight60°feels 58°
72 °
Lerna, Monday, 26 October
Overcast. High 72°, low 55°.
Pressure30.24 inHg
Wind9.9 mph SW
Humidity36%
Visibility—
Dew point42°
Tue, 2755° / 46°0.07
Morning49°feels 44°
Afternoon46°feels 40°
Evening48°feels 44°
Overnight47°feels 41°
55 °
Lerna, Tuesday, 27 October
Light rain. High 55°, low 46°.
Pressure30.30 inHg
Wind13.3 mph NE
Humidity78%
Visibility—
Dew point40°
Wed, 2851° / 39°0
Morning42°feels 38°
Afternoon46°feels 43°
Evening42°feels 39°
Overnight40°feels 39°
51 °
Lerna, Wednesday, 28 October
Overcast. High 51°, low 39°.
Pressure30.30 inHg
Wind10 mph NE
Humidity62%
Visibility—
Dew point33°
Thu, 2957° / 35°0
Morning41°feels 37°
Afternoon53°feels 50°
Evening47°feels 45°
Overnight42°feels 41°
57 °
Lerna, Thursday, 29 October
Clear. High 57°, low 35°.
Pressure30.24 inHg
Wind7.5 mph NW
Humidity35%
Visibility—
Dew point25°
Fri, 3059° / 39°0
Morning44°feels 44°
Afternoon56°feels 54°
Evening50°feels 47°
Overnight46°feels 44°
59 °
Lerna, Friday, 30 October
Mostly clear. High 59°, low 39°.
Pressure30.21 inHg
Wind6.9 mph SE
Humidity36%
Visibility—
Dew point29°
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.