10-day forecast for Merna, IL: 46° to 77°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
77°
Best day: Thursday, October 29
61° · 0.17 in
Worst day: Saturday, October 31
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 2471° / 47°0
Morning52°feels 51°
Afternoon70°feels 69°
Evening55°feels 54°
Overnight51°feels 50°
71 °
Merna, Saturday, 24 October
Overcast. High 71°, low 47°.
Pressure30.39 inHg
Wind6.6 mph S
Humidity52%
Visibility6.2 mi
Dew point48°
Sun, 2572° / 47°0
Morning52°feels 50°
Afternoon71°feels 70°
Evening59°feels 58°
Overnight51°feels 49°
72 °
Merna, Sunday, 25 October
Mostly clear. High 72°, low 47°.
Pressure30.39 inHg
Wind5.2 mph S
Humidity49%
Visibility6.2 mi
Dew point49°
Mon, 2671° / 52°0
Morning53°feels 53°
Afternoon70°feels 70°
Evening60°feels 59°
Overnight55°feels 54°
71 °
Merna, Monday, 26 October
Overcast. High 71°, low 52°.
Pressure30.33 inHg
Wind1.2 mph NE
Humidity55%
Visibility6.2 mi
Dew point52°
Tue, 2770° / 50°0
Morning53°feels 52°
Afternoon69°feels 68°
Evening61°feels 60°
Overnight51°feels 51°
70 °
Merna, Tuesday, 27 October
Overcast. High 70°, low 50°.
Pressure30.27 inHg
Wind5.7 mph SE
Humidity67%
Visibility6.2 mi
Dew point53°
Wed, 2872° / 56°0
Morning60°feels 59°
Afternoon70°feels 69°
Evening63°feels 63°
Overnight60°feels 59°
72 °
Merna, Wednesday, 28 October
Mostly clear. High 72°, low 56°.
Pressure30.12 inHg
Wind14.1 mph SW
Humidity47%
Visibility—
Dew point48°
Thu, 2977° / 50°0
Morning57°feels 56°
Afternoon72°feels 72°
Evening68°feels 67°
Overnight63°feels 63°
77 °
Merna, Thursday, 29 October
Partly cloudy. High 77°, low 50°.
Pressure30.18 inHg
Wind13.2 mph SW
Humidity47%
Visibility—
Dew point49°
Fri, 3065° / 57°0.02
Morning59°feels 58°
Afternoon64°feels 64°
Evening60°feels 59°
Overnight59°feels 58°
65 °
Merna, Friday, 30 October
Light rain. High 65°, low 57°.
Pressure30.18 inHg
Wind9.2 mph E
Humidity66%
Visibility—
Dew point53°
Sat, 3161° / 57°0.17
Morning58°feels 58°
Afternoon60°feels 59°
Evening57°feels 57°
Overnight58°feels 57°
61 °
Merna, Saturday, 31 October
Light rain. High 61°, low 57°.
Pressure30.09 inHg
Wind15.9 mph S
Humidity69%
Visibility—
Dew point50°
Sun, 0166° / 58°0.03
Morning61°feels 61°
Afternoon65°feels 65°
Evening62°feels 62°
Overnight61°feels 61°
66 °
Merna, Sunday, 1 November
Light rain. High 66°, low 58°.
Pressure30.15 inHg
Wind13.8 mph SW
Humidity73%
Visibility—
Dew point56°
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 Merna, 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.