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As of 11:15 CDT

Weather in Merrimac, IL

87°Current weather

Merrimac, Sunday, 9 August, 11:15

Mostly clear. Feels like 99°. High 96°, low 72°.

Pressure30.03 inHg
Wind3 mph SE
Humidity77%
Visibility6.2 mi
Dew point78°

10-day forecast for Merrimac, IL: 68° to 107°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.

107°
Best day: Saturday, August 15
100° · 0.09 in
Worst day: Thursday, August 13

Tap any day below to see morning, afternoon, evening and overnight.

Mon, 10102° / 76°0Clear
MorningClear79°feels 79°
AfternoonClear101°feels 105°
EveningOvercast88°feels 90°
OvernightClear83°feels 88°
102 °Clear

Merrimac, Monday, 10 August

Clear. High 102°, low 76°.

Pressure29.94 inHg
Wind11.7 mph SW
Humidity38%
Visibility6.2 mi
Dew point67°
Tue, 11103° / 76°0Overcast
MorningOvercast80°feels 83°
AfternoonClear102°feels 104°
EveningMostly clear88°feels 89°
OvernightPartly cloudy79°feels 79°
103 °Overcast

Merrimac, Tuesday, 11 August

Overcast. High 103°, low 76°.

Pressure29.91 inHg
Wind12.9 mph SW
Humidity35%
Visibility6.2 mi
Dew point65°
Wed, 1299° / 74°0.03Light rain
MorningOvercast78°feels 79°
AfternoonPartly cloudy99°feels 102°
EveningOvercast88°feels 90°
OvernightOvercast84°feels 86°
99 °Light rain

Merrimac, Wednesday, 12 August

Light rain. High 99°, low 74°.

Pressure29.83 inHg
Wind9.5 mph W
Humidity40%
Visibility6.2 mi
Dew point67°
Thu, 13100° / 72°0.09Light rain
MorningOvercast74°feels 75°
AfternoonLight rain92°feels 98°
EveningLight rain86°feels 93°
OvernightOvercast75°feels 76°
100 °Light rain

Merrimac, Thursday, 13 August

Light rain. High 100°, low 72°.

Pressure29.85 inHg
Wind13.6 mph SE
Humidity45%
Visibility—
Dew point67°
Fri, 1497° / 73°0Overcast
MorningOvercast80°feels 82°
AfternoonOvercast93°feels 99°
EveningOvercast83°feels 91°
OvernightOvercast76°feels 78°
97 °Overcast

Merrimac, Friday, 14 August

Overcast. High 97°, low 73°.

Pressure29.94 inHg
Wind15 mph E
Humidity42%
Visibility—
Dew point65°
Sat, 15107° / 72°0Partly cloudy
MorningPartly cloudy81°feels 82°
AfternoonPartly cloudy100°feels 103°
EveningPartly cloudy90°feels 96°
OvernightPartly cloudy80°feels 83°
107 °Partly cloudy

Merrimac, Saturday, 15 August

Partly cloudy. High 107°, low 72°.

Pressure30.03 inHg
Wind10.6 mph E
Humidity28%
Visibility—
Dew point59°
Sun, 16101° / 79°0Clear
MorningClear85°feels 86°
AfternoonClear97°feels 101°
EveningClear89°feels 94°
OvernightClear80°feels 80°
101 °Clear

Merrimac, Sunday, 16 August

Clear. High 101°, low 79°.

Pressure30.00 inHg
Wind14.2 mph W
Humidity34%
Visibility—
Dew point63°
Mon, 1790° / 68°0.01Light rain
MorningLight rain73°feels 74°
AfternoonLight rain86°feels 85°
EveningLight rain79°feels 79°
OvernightLight rain72°feels 72°
90 °Light rain

Merrimac, Monday, 17 August

Light rain. High 90°, low 68°.

Pressure30.06 inHg
Wind10.3 mph NE
Humidity35%
Visibility—
Dew point54°
Tue, 18104° / 68°0.09Light rain
MorningLight rain76°feels 78°
AfternoonLight rain96°feels 99°
EveningLight rain95°feels 96°
OvernightLight rain83°feels 85°
104 °Light rain

Merrimac, Tuesday, 18 August

Light rain. High 104°, low 68°.

Pressure29.80 inHg
Wind12.5 mph SW
Humidity36%
Visibility—
Dew point61°

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 Merrimac, 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.