10-day forecast for Merriam, IL: 23° to 68°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
68°
Best day: Saturday, November 21
33°
Worst day: Monday, November 23
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 1551° / 30°0
Morning36°feels 33°
Afternoon51°feels 48°
Evening39°feels 37°
Overnight33°feels 30°
51 °
Merriam, Sunday, 15 November
Mostly clear. High 51°, low 30°.
Pressure30.45 inHg
Wind1.2 mph NW
Humidity50%
Visibility6.2 mi
Dew point30°
Mon, 1653° / 32°0
Morning37°feels 35°
Afternoon53°feels 50°
Evening40°feels 37°
Overnight34°feels 34°
53 °
Merriam, Monday, 16 November
Clear. High 53°, low 32°.
Pressure30.53 inHg
Wind2.8 mph S
Humidity54%
Visibility6.2 mi
Dew point36°
Tue, 1755° / 32°0
Morning40°feels 38°
Afternoon55°feels 52°
Evening43°feels 40°
Overnight35°feels 35°
55 °
Merriam, Tuesday, 17 November
Clear. High 55°, low 32°.
Pressure30.50 inHg
Wind4.7 mph S
Humidity54%
Visibility6.2 mi
Dew point37°
Wed, 1860° / 37°0
Morning43°feels 40°
Afternoon57°feels 55°
Evening49°feels 46°
Overnight39°feels 35°
60 °
Merriam, Wednesday, 18 November
Overcast. High 60°, low 37°.
Pressure30.39 inHg
Wind8.6 mph S
Humidity49%
Visibility—
Dew point37°
Thu, 1965° / 44°0
Morning51°feels 47°
Afternoon61°feels 59°
Evening58°feels 56°
Overnight55°feels 54°
65 °
Merriam, Thursday, 19 November
Partly cloudy. High 65°, low 44°.
Pressure30.36 inHg
Wind9.4 mph SW
Humidity52%
Visibility—
Dew point42°
Fri, 2068° / 55°0.01
Morning58°feels 57°
Afternoon65°feels 64°
Evening58°feels 56°
Overnight55°feels 53°
68 °
Merriam, Friday, 20 November
Light rain. High 68°, low 55°.
Pressure30.27 inHg
Wind8.6 mph S
Humidity47%
Visibility—
Dew point45°
Sat, 2168° / 49°0
Morning54°feels 51°
Afternoon65°feels 63°
Evening58°feels 56°
Overnight57°feels 55°
68 °
Merriam, Saturday, 21 November
Clear. High 68°, low 49°.
Pressure30.03 inHg
Wind13.9 mph S
Humidity28%
Visibility—
Dew point31°
Sun, 2261° / 31°0.05
Morning37°feels 27°
Afternoon38°feels 28°
Evening35°feels 25°
Overnight32°feels 22°
61 °
Merriam, Sunday, 22 November
Snow. High 61°, low 31°.
Pressure30.00 inHg
Wind21.8 mph NW
Humidity66%
Visibility—
Dew point28°
Mon, 2333° / 23°0
Morning26°feels 16°
Afternoon32°feels 23°
Evening26°feels 16°
Overnight24°feels 12°
33 °
Merriam, Monday, 23 November
Overcast. High 33°, low 23°.
Pressure30.18 inHg
Wind15.7 mph NW
Humidity33%
Visibility—
Dew point6°
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 Merriam, 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.