10-day forecast for Flat Rock, IL: 43° to 76°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
76°
Best day: Wednesday, October 28
74° · 0.13 in
Worst day: Thursday, October 29
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 2274° / 46°0
Morning50°feels 49°
Afternoon73°feels 72°
Evening54°feels 53°
Overnight49°feels 47°
74 °
Flat Rock, Thursday, 22 October
Clear. High 74°, low 46°.
Pressure30.27 inHg
Wind4.9 mph NE
Humidity39%
Visibility6.2 mi
Dew point44°
Fri, 2370° / 48°0
Morning51°feels 49°
Afternoon70°feels 68°
Evening58°feels 56°
Overnight53°feels 52°
70 °
Flat Rock, Friday, 23 October
Clear. High 70°, low 48°.
Pressure30.33 inHg
Wind5.4 mph E
Humidity47%
Visibility6.2 mi
Dew point47°
Sat, 2470° / 48°0
Morning50°feels 47°
Afternoon70°feels 69°
Evening58°feels 57°
Overnight51°feels 50°
70 °
Flat Rock, Saturday, 24 October
Mostly clear. High 70°, low 48°.
Pressure30.39 inHg
Wind5.3 mph SE
Humidity50%
Visibility6.2 mi
Dew point48°
Sun, 2574° / 48°0
Morning53°feels 51°
Afternoon71°feels 70°
Evening61°feels 60°
Overnight51°feels 50°
74 °
Flat Rock, Sunday, 25 October
Overcast. High 74°, low 48°.
Pressure30.39 inHg
Wind4.6 mph SE
Humidity38%
Visibility—
Dew point43°
Mon, 2672° / 50°0
Morning56°feels 55°
Afternoon70°feels 69°
Evening62°feels 61°
Overnight57°feels 56°
72 °
Flat Rock, Monday, 26 October
Overcast. High 72°, low 50°.
Pressure30.27 inHg
Wind5.8 mph S
Humidity41%
Visibility—
Dew point44°
Tue, 2771° / 55°0
Morning59°feels 58°
Afternoon68°feels 66°
Evening63°feels 62°
Overnight60°feels 58°
71 °
Flat Rock, Tuesday, 27 October
Overcast. High 71°, low 55°.
Pressure30.27 inHg
Wind6.9 mph SE
Humidity44%
Visibility—
Dew point44°
Wed, 2876° / 59°0
Morning64°feels 62°
Afternoon74°feels 72°
Evening65°feels 64°
Overnight62°feels 60°
76 °
Flat Rock, Wednesday, 28 October
Overcast. High 76°, low 59°.
Pressure30.12 inHg
Wind13.6 mph SW
Humidity31%
Visibility—
Dew point40°
Thu, 2974° / 57°0.13
Morning66°feels 64°
Afternoon72°feels 71°
Evening61°feels 61°
Overnight58°feels 57°
74 °
Flat Rock, Thursday, 29 October
Light rain. High 74°, low 57°.
Pressure30.12 inHg
Wind13.6 mph W
Humidity37%
Visibility—
Dew point45°
Fri, 3066° / 53°0
Morning57°feels 55°
Afternoon64°feels 63°
Evening59°feels 58°
Overnight55°feels 54°
66 °
Flat Rock, Friday, 30 October
Overcast. High 66°, low 53°.
Pressure30.18 inHg
Wind11 mph NE
Humidity60%
Visibility—
Dew point49°
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 Flat Rock, 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.