10-day forecast for Rochester, IL: 63° to 98°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
98°
Best day: Monday, August 10
71° · 0.4 in
Worst day: Friday, August 14
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1098° / 76°0.01
Morning81°feels 86°
Afternoon97°feels 109°
Evening85°feels 90°
Overnight83°feels 88°
98 °
Rochester, Monday, 10 August
Light rain. High 98°, low 76°.
Pressure29.91 inHg
Wind13.8 mph SW
Humidity54%
Visibility6.2 mi
Dew point71°
Tue, 1197° / 69°0.05
Morning73°feels 74°
Afternoon95°feels 102°
Evening86°feels 91°
Overnight74°feels 74°
97 °
Rochester, Tuesday, 11 August
Light rain. High 97°, low 69°.
Pressure29.85 inHg
Wind15.6 mph SW
Humidity50%
Visibility6.2 mi
Dew point71°
Wed, 1290° / 70°0.45
Morning75°feels 77°
Afternoon90°feels 97°
Evening73°feels 75°
Overnight72°feels 73°
90 °
Rochester, Wednesday, 12 August
Rain. High 90°, low 70°.
Pressure29.83 inHg
Wind9.6 mph NW
Humidity59%
Visibility6.2 mi
Dew point70°
Thu, 1385° / 67°0.07
Morning74°feels 76°
Afternoon83°feels 87°
Evening73°feels 74°
Overnight69°feels 70°
85 °
Rochester, Thursday, 13 August
Light rain. High 85°, low 67°.
Pressure29.94 inHg
Wind15.2 mph E
Humidity59%
Visibility—
Dew point67°
Fri, 1471° / 63°0.4
Morning63°feels 64°
Afternoon65°feels 65°
Evening67°feels 68°
Overnight64°feels 65°
71 °
Rochester, Friday, 14 August
Rain. High 71°, low 63°.
Pressure30.12 inHg
Wind14.8 mph NE
Humidity94%
Visibility—
Dew point62°
Sat, 1579° / 63°0.23
Morning68°feels 69°
Afternoon78°feels 79°
Evening74°feels 76°
Overnight68°feels 69°
79 °
Rochester, Saturday, 15 August
Light rain. High 79°, low 63°.
Pressure30.15 inHg
Wind13.2 mph SE
Humidity72%
Visibility—
Dew point67°
Sun, 1683° / 65°0.02
Morning71°feels 73°
Afternoon83°feels 88°
Evening78°feels 78°
Overnight73°feels 74°
83 °
Rochester, Sunday, 16 August
Light rain. High 83°, low 65°.
Pressure30.03 inHg
Wind7.8 mph E
Humidity71%
Visibility—
Dew point71°
Mon, 1784° / 68°0
Morning72°feels 73°
Afternoon82°feels 84°
Evening77°feels 78°
Overnight71°feels 72°
84 °
Rochester, Monday, 17 August
Partly cloudy. High 84°, low 68°.
Pressure30.06 inHg
Wind7.3 mph NE
Humidity56%
Visibility—
Dew point64°
Tue, 1887° / 66°0
Morning71°feels 72°
Afternoon84°feels 86°
Evening80°feels 84°
Overnight74°feels 74°
87 °
Rochester, Tuesday, 18 August
Overcast. High 87°, low 66°.
Pressure30.00 inHg
Wind9.3 mph SE
Humidity52%
Visibility—
Dew point62°
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 Rochester, 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.