As of 14:40 CDT

Weather in Potomac, IL

86°Current weather

Potomac, Sunday, 9 August, 14:40

Clear. Feels like 99°. High 87°, low 67°.

Pressure29.94 inHg
Wind13.1 mph S
Humidity80%
Visibility6.2 mi
Dew point79°

10-day forecast for Potomac, IL: 63° to 93°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.

93°
Best day: Monday, August 10
83° · 0.94 in
Worst day: Thursday, August 13

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

Mon, 1093° / 75°0.02Light rain
MorningClear78°feels 80°
AfternoonOvercast93°feels 106°
EveningOvercast84°feels 97°
OvernightClear78°feels 80°
93 °Light rain

Potomac, Monday, 10 August

Light rain. High 93°, low 75°.

Pressure29.91 inHg
Wind11.7 mph SW
Humidity68%
Visibility6.2 mi
Dew point74°
Tue, 1189° / 76°0Overcast
MorningOvercast77°feels 78°
AfternoonPartly cloudy88°feels 99°
EveningPartly cloudy84°feels 90°
OvernightOvercast77°feels 78°
89 °Overcast

Potomac, Tuesday, 11 August

Overcast. High 89°, low 76°.

Pressure29.85 inHg
Wind18.1 mph SW
Humidity71%
Visibility6.2 mi
Dew point74°
Wed, 1284° / 68°0.08Light rain
MorningClear70°feels 71°
AfternoonOvercast83°feels 87°
EveningOvercast77°feels 79°
OvernightLight rain71°feels 72°
84 °Light rain

Potomac, Wednesday, 12 August

Light rain. High 84°, low 68°.

Pressure29.88 inHg
Wind4.7 mph E
Humidity67%
Visibility6.2 mi
Dew point69°
Thu, 1383° / 66°0.94Heavy rain
MorningOvercast69°feels 70°
AfternoonOvercast84°feels 90°
EveningHeavy rain72°feels 74°
OvernightOvercast70°feels 71°
83 °Heavy rain

Potomac, Thursday, 13 August

Heavy rain. High 83°, low 66°.

Pressure29.97 inHg
Wind9.2 mph SE
Humidity70%
Visibility6.2 mi
Dew point70°
Fri, 1480° / 69°0.72Heavy rain
MorningHeavy rain71°feels 72°
AfternoonHeavy rain77°feels 79°
EveningHeavy rain77°feels 79°
OvernightHeavy rain72°feels 74°
80 °Heavy rain

Potomac, Friday, 14 August

Heavy rain. High 80°, low 69°.

Pressure30.03 inHg
Wind9.9 mph SE
Humidity85%
Visibility
Dew point71°
Sat, 1591° / 72°0.03Light rain
MorningLight rain77°feels 81°
AfternoonLight rain87°feels 99°
EveningLight rain83°feels 92°
OvernightLight rain81°feels 84°
91 °Light rain

Potomac, Saturday, 15 August

Light rain. High 91°, low 72°.

Pressure29.94 inHg
Wind13.3 mph S
Humidity72%
Visibility
Dew point75°
Sun, 1685° / 70°0Partly cloudy
MorningPartly cloudy76°feels 76°
AfternoonPartly cloudy77°feels 78°
EveningPartly cloudy72°feels 73°
OvernightPartly cloudy71°feels 72°
85 °Partly cloudy

Potomac, Sunday, 16 August

Partly cloudy. High 85°, low 70°.

Pressure29.97 inHg
Wind17.9 mph SW
Humidity77%
Visibility
Dew point70°
Mon, 1780° / 63°0.01Light rain
MorningLight rain66°feels 67°
AfternoonLight rain75°feels 76°
EveningLight rain77°feels 78°
OvernightLight rain71°feels 73°
80 °Light rain

Potomac, Monday, 17 August

Light rain. High 80°, low 63°.

Pressure30.03 inHg
Wind11.7 mph SE
Humidity74%
Visibility
Dew point65°
Tue, 1886° / 74°0Overcast
MorningOvercast82°feels 84°
AfternoonOvercast84°feels 92°
EveningOvercast82°feels 88°
OvernightOvercast77°feels 78°
86 °Overcast

Potomac, Tuesday, 18 August

Overcast. High 86°, low 74°.

Pressure29.88 inHg
Wind14.9 mph S
Humidity72%
Visibility
Dew point74°

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 Potomac, 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.