10-day forecast for Frontenac, IL: 46° to 72°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
72°
Best day: Friday, October 23
61° · 0.59 in
Worst day: Saturday, October 31
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 2470° / 46°0
Morning51°feels 50°
Afternoon66°feels 65°
Evening58°feels 57°
Overnight51°feels 49°
70 °
Frontenac, Saturday, 24 October
Overcast. High 70°, low 46°.
Pressure30.36 inHg
Wind5.1 mph S
Humidity69%
Visibility6.2 mi
Dew point52°
Sun, 2570° / 50°0
Morning51°feels 50°
Afternoon70°feels 69°
Evening59°feels 59°
Overnight53°feels 52°
70 °
Frontenac, Sunday, 25 October
Clear. High 70°, low 50°.
Pressure30.39 inHg
Wind4.5 mph S
Humidity64%
Visibility6.2 mi
Dew point53°
Mon, 2665° / 51°0
Morning54°feels 53°
Afternoon64°feels 63°
Evening53°feels 52°
Overnight52°feels 51°
65 °
Frontenac, Monday, 26 October
Overcast. High 65°, low 51°.
Pressure30.39 inHg
Wind8.3 mph NE
Humidity76%
Visibility6.2 mi
Dew point56°
Tue, 2763° / 52°0
Morning56°feels 55°
Afternoon62°feels 61°
Evening58°feels 58°
Overnight53°feels 51°
63 °
Frontenac, Tuesday, 27 October
Overcast. High 63°, low 52°.
Pressure30.33 inHg
Wind7.8 mph NE
Humidity70%
Visibility—
Dew point51°
Wed, 2869° / 52°0
Morning56°feels 56°
Afternoon67°feels 65°
Evening62°feels 60°
Overnight58°feels 57°
69 °
Frontenac, Wednesday, 28 October
Overcast. High 69°, low 52°.
Pressure30.09 inHg
Wind9.3 mph S
Humidity55%
Visibility—
Dew point49°
Thu, 2971° / 56°0
Morning60°feels 59°
Afternoon70°feels 69°
Evening63°feels 62°
Overnight60°feels 59°
71 °
Frontenac, Thursday, 29 October
Light rain. High 71°, low 56°.
Pressure30.12 inHg
Wind13.3 mph SW
Humidity44%
Visibility—
Dew point46°
Fri, 3062° / 56°0.16
Morning59°feels 59°
Afternoon61°feels 61°
Evening56°feels 56°
Overnight56°feels 56°
62 °
Frontenac, Friday, 30 October
Light rain. High 62°, low 56°.
Pressure30.12 inHg
Wind9 mph NE
Humidity74%
Visibility—
Dew point53°
Sat, 3161° / 56°0.59
Morning56°feels 56°
Afternoon58°feels 58°
Evening60°feels 60°
Overnight60°feels 60°
61 °
Frontenac, Saturday, 31 October
Rain. High 61°, low 56°.
Pressure29.97 inHg
Wind17.3 mph S
Humidity95%
Visibility—
Dew point56°
Sun, 0164° / 54°0.04
Morning60°feels 61°
Afternoon62°feels 62°
Evening56°feels 55°
Overnight55°feels 54°
64 °
Frontenac, Sunday, 1 November
Light rain. High 64°, low 54°.
Pressure29.97 inHg
Wind12.4 mph SW
Humidity79%
Visibility—
Dew point56°
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 Frontenac, 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.