10-day forecast for Merna, IL: 48° to 73°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
73°
Best day: Thursday, October 29
67° · 0.64 in
Worst day: Sunday, November 1
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 2572° / 48°0
Morning51°feels 50°
Afternoon72°feels 71°
Evening56°feels 55°
Overnight50°feels 49°
72 °
Merna, Sunday, 25 October
Overcast. High 72°, low 48°.
Pressure30.42 inHg
Wind4.7 mph S
Humidity52%
Visibility6.2 mi
Dew point49°
Mon, 2671° / 50°0
Morning53°feels 52°
Afternoon71°feels 70°
Evening62°feels 61°
Overnight53°feels 52°
71 °
Merna, Monday, 26 October
Overcast. High 71°, low 50°.
Pressure30.33 inHg
Wind2.6 mph S
Humidity51%
Visibility6.2 mi
Dew point51°
Tue, 2769° / 51°0
Morning52°feels 52°
Afternoon69°feels 68°
Evening60°feels 59°
Overnight53°feels 52°
69 °
Merna, Tuesday, 27 October
Overcast. High 69°, low 51°.
Pressure30.24 inHg
Wind7.5 mph S
Humidity57%
Visibility6.2 mi
Dew point52°
Wed, 2872° / 53°0
Morning56°feels 55°
Afternoon69°feels 68°
Evening62°feels 61°
Overnight56°feels 55°
72 °
Merna, Wednesday, 28 October
Light rain. High 72°, low 53°.
Pressure30.18 inHg
Wind9.3 mph S
Humidity47%
Visibility—
Dew point47°
Thu, 2973° / 57°0
Morning61°feels 60°
Afternoon70°feels 70°
Evening65°feels 65°
Overnight62°feels 62°
73 °
Merna, Thursday, 29 October
Partly cloudy. High 73°, low 57°.
Pressure30.15 inHg
Wind10.3 mph SW
Humidity53%
Visibility—
Dew point51°
Fri, 3070° / 59°0
Morning62°feels 62°
Afternoon68°feels 67°
Evening63°feels 61°
Overnight59°feels 58°
70 °
Merna, Friday, 30 October
Light rain. High 70°, low 59°.
Pressure30.21 inHg
Wind11.5 mph E
Humidity62%
Visibility—
Dew point54°
Sat, 3170° / 58°0.04
Morning61°feels 61°
Afternoon69°feels 68°
Evening64°feels 63°
Overnight61°feels 61°
70 °
Merna, Saturday, 31 October
Light rain. High 70°, low 58°.
Pressure30.18 inHg
Wind13.3 mph SE
Humidity52%
Visibility—
Dew point50°
Sun, 0167° / 58°0.64
Morning63°feels 62°
Afternoon64°feels 63°
Evening59°feels 59°
Overnight59°feels 59°
67 °
Merna, Sunday, 1 November
Rain. High 67°, low 58°.
Pressure29.91 inHg
Wind22.3 mph S
Humidity61%
Visibility—
Dew point51°
Mon, 0260° / 50°0.36
Morning53°feels 51°
Afternoon58°feels 56°
Evening55°feels 54°
Overnight51°feels 49°
60 °
Merna, Monday, 2 November
Rain. High 60°, low 50°.
Pressure29.77 inHg
Wind23 mph N
Humidity64%
Visibility—
Dew point45°
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.