10-day forecast for Frontenac, IL: 33° to 70°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
69°
Best day: Thursday, October 29
58° · 0.91 in
Worst day: Saturday, October 31
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 3065° / 47°0.11
Morning48°feels 46°
Afternoon63°feels 62°
Evening57°feels 56°
Overnight51°feels 49°
65 °
Frontenac, Friday, 30 October
Rain. High 65°, low 47°.
Pressure30.36 inHg
Wind4.7 mph E
Humidity67%
Visibility6.2 mi
Dew point48°
Sat, 3158° / 50°0.91
Morning50°feels 46°
Afternoon57°feels 56°
Evening53°feels 52°
Overnight57°feels 57°
58 °
Frontenac, Saturday, 31 October
Heavy rain. High 58°, low 50°.
Pressure30.36 inHg
Wind8 mph SE
Humidity75%
Visibility6.2 mi
Dew point49°
Sun, 0161° / 53°0.01
Morning53°feels 51°
Afternoon60°feels 59°
Evening58°feels 58°
Overnight53°feels 52°
61 °
Frontenac, Sunday, 1 November
Light rain. High 61°, low 53°.
Pressure30.33 inHg
Wind3 mph SE
Humidity79%
Visibility6.2 mi
Dew point52°
Mon, 0261° / 53°0.02
Morning54°feels 54°
Afternoon60°feels 60°
Evening61°feels 60°
Overnight55°feels 55°
61 °
Frontenac, Monday, 2 November
Light rain. High 61°, low 53°.
Pressure30.12 inHg
Wind8.8 mph SE
Humidity82%
Visibility6.2 mi
Dew point53°
Tue, 0370° / 60°0.09
Morning63°feels 63°
Afternoon69°feels 69°
Evening68°feels 68°
Overnight65°feels 65°
70 °
Frontenac, Tuesday, 3 November
Light rain. High 70°, low 60°.
Pressure29.85 inHg
Wind16.3 mph S
Humidity70%
Visibility—
Dew point58°
Wed, 0469° / 63°0.02
Morning65°feels 65°
Afternoon68°feels 68°
Evening66°feels 66°
Overnight64°feels 64°
69 °
Frontenac, Wednesday, 4 November
Light rain. High 69°, low 63°.
Pressure29.83 inHg
Wind17.4 mph SE
Humidity67%
Visibility—
Dew point57°
Thu, 0564° / 58°0.14
Morning60°feels 60°
Afternoon63°feels 63°
Evening60°feels 60°
Overnight59°feels 59°
64 °
Frontenac, Thursday, 5 November
Light rain. High 64°, low 58°.
Pressure29.56 inHg
Wind9.4 mph S
Humidity76%
Visibility—
Dew point55°
Fri, 0654° / 38°0.14
Morning45°feels 39°
Afternoon42°feels 34°
Evening42°feels 35°
Overnight40°feels 32°
54 °
Frontenac, Friday, 6 November
Light rain. High 54°, low 38°.
Pressure29.83 inHg
Wind14.1 mph N
Humidity83%
Visibility—
Dew point37°
Sat, 0749° / 33°0
Morning37°feels 30°
Afternoon47°feels 43°
Evening43°feels 39°
Overnight40°feels 35°
49 °
Frontenac, Saturday, 7 November
Mostly clear. High 49°, low 33°.
Pressure30.21 inHg
Wind12.1 mph N
Humidity57%
Visibility—
Dew point32°
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.