As of 04:52 CDT

Weather in Summerville, IL

72°Current weather

Summerville, Sunday, 9 August, 04:52

Mostly clear. Feels like 73°. High 95°, low 72°.

Pressure29.97 inHg
Wind7.6 mph S
Humidity93%
Visibility6.2 mi
Dew point70°

10-day forecast for Summerville, IL: 64° to 98°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.

95°
Best day: Sunday, August 9
98° · 0.39 in
Worst day: Monday, August 10

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

Mon, 1098° / 71°0.39Heavy rain
MorningPartly cloudy79°feels 79°
AfternoonOvercast97°feels 109°
EveningOvercast86°feels 94°
OvernightClear81°feels 84°
98 °Heavy rain

Summerville, Monday, 10 August

Heavy rain. High 98°, low 71°.

Pressure29.91 inHg
Wind12.1 mph SW
Humidity57%
Visibility6.2 mi
Dew point72°
Tue, 1196° / 71°0.09Rain
MorningOvercast77°feels 78°
AfternoonClear94°feels 106°
EveningOvercast85°feels 87°
OvernightOvercast75°feels 76°
96 °Rain

Summerville, Tuesday, 11 August

Rain. High 96°, low 71°.

Pressure29.88 inHg
Wind13.2 mph SW
Humidity60%
Visibility6.2 mi
Dew point74°
Wed, 1290° / 73°0.2Rain
MorningOvercast77°feels 78°
AfternoonPartly cloudy90°feels 98°
EveningHeavy rain76°feels 78°
OvernightLight rain76°feels 77°
90 °Rain

Summerville, Wednesday, 12 August

Rain. High 90°, low 73°.

Pressure29.83 inHg
Wind6.7 mph NW
Humidity66%
Visibility6.2 mi
Dew point73°
Thu, 1383° / 70°0.25Light rain
MorningLight rain73°feels 76°
AfternoonLight rain82°feels 86°
EveningLight rain74°feels 75°
OvernightLight rain71°feels 72°
83 °Light rain

Summerville, Thursday, 13 August

Light rain. High 83°, low 70°.

Pressure29.91 inHg
Wind13.5 mph NE
Humidity67%
Visibility
Dew point69°
Fri, 1471° / 64°0.19Light rain
MorningLight rain66°feels 66°
AfternoonLight rain70°feels 71°
EveningLight rain70°feels 71°
OvernightLight rain65°feels 66°
71 °Light rain

Summerville, Friday, 14 August

Light rain. High 71°, low 64°.

Pressure30.06 inHg
Wind16.2 mph NE
Humidity85%
Visibility
Dew point64°
Sat, 1582° / 64°0.13Light rain
MorningLight rain68°feels 69°
AfternoonLight rain78°feels 79°
EveningLight rain78°feels 78°
OvernightLight rain71°feels 72°
82 °Light rain

Summerville, Saturday, 15 August

Light rain. High 82°, low 64°.

Pressure30.12 inHg
Wind13.4 mph SE
Humidity77%
Visibility
Dew point68°
Sun, 1687° / 69°0Partly cloudy
MorningPartly cloudy73°feels 76°
AfternoonPartly cloudy83°feels 91°
EveningPartly cloudy80°feels 87°
OvernightPartly cloudy73°feels 74°
87 °Partly cloudy

Summerville, Sunday, 16 August

Partly cloudy. High 87°, low 69°.

Pressure30.03 inHg
Wind8.7 mph E
Humidity74%
Visibility
Dew point72°
Mon, 1784° / 69°0Partly cloudy
MorningPartly cloudy73°feels 75°
AfternoonPartly cloudy82°feels 85°
EveningPartly cloudy79°feels 79°
OvernightPartly cloudy73°feels 74°
84 °Partly cloudy

Summerville, Monday, 17 August

Partly cloudy. High 84°, low 69°.

Pressure30.06 inHg
Wind8.1 mph E
Humidity67%
Visibility
Dew point68°
Tue, 1886° / 66°0Overcast
MorningOvercast71°feels 73°
AfternoonOvercast83°feels 88°
EveningOvercast80°feels 85°
OvernightOvercast76°feels 77°
86 °Overcast

Summerville, Tuesday, 18 August

Overcast. High 86°, low 66°.

Pressure29.97 inHg
Wind11.1 mph SE
Humidity65%
Visibility
Dew point68°

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 Summerville, 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.