10-day forecast for Frontenac, IL: 38° to 72°, with precipitation expected on 5 days. The table below breaks each day into morning, afternoon, evening and overnight.
69°
Best day: Sunday, November 1
63° · 0.37 in
Worst day: Wednesday, November 4
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 0264° / 57°0.09
Morning57°feels 57°
Afternoon59°feels 59°
Evening60°feels 60°
Overnight57°feels 56°
64 °
Frontenac, Monday, 2 November
Light rain. High 64°, low 57°.
Pressure30.09 inHg
Wind10.9 mph S
Humidity84%
Visibility6.2 mi
Dew point53°
Tue, 0372° / 62°0.17
Morning64°feels 64°
Afternoon72°feels 72°
Evening66°feels 66°
Overnight62°feels 62°
72 °
Frontenac, Tuesday, 3 November
Rain. High 72°, low 62°.
Pressure29.85 inHg
Wind12.3 mph S
Humidity82%
Visibility6.2 mi
Dew point62°
Wed, 0463° / 57°0.37
Morning62°feels 62°
Afternoon60°feels 59°
Evening57°feels 56°
Overnight64°feels 64°
63 °
Frontenac, Wednesday, 4 November
Rain. High 63°, low 57°.
Pressure29.68 inHg
Wind10.5 mph SW
Humidity76%
Visibility6.2 mi
Dew point53°
Thu, 0556° / 51°0.05
Morning52°feels 51°
Afternoon52°feels 50°
Evening52°feels 51°
Overnight53°feels 52°
56 °
Frontenac, Thursday, 5 November
Light rain. High 56°, low 51°.
Pressure29.71 inHg
Wind11.4 mph SW
Humidity77%
Visibility—
Dew point45°
Fri, 0650° / 46°0.15
Morning48°feels 44°
Afternoon49°feels 45°
Evening46°feels 40°
Overnight46°feels 41°
50 °
Frontenac, Friday, 6 November
Light rain. High 50°, low 46°.
Pressure29.88 inHg
Wind14.7 mph NW
Humidity74%
Visibility—
Dew point42°
Sat, 0754° / 42°0
Morning45°feels 40°
Afternoon52°feels 49°
Evening51°feels 49°
Overnight47°feels 42°
54 °
Frontenac, Saturday, 7 November
Light rain. High 54°, low 42°.
Pressure29.62 inHg
Wind12.3 mph NW
Humidity52%
Visibility—
Dew point34°
Sun, 0849° / 40°0.03
Morning43°feels 36°
Afternoon45°feels 38°
Evening40°feels 33°
Overnight40°feels 33°
49 °
Frontenac, Sunday, 8 November
Light rain. High 49°, low 40°.
Pressure29.62 inHg
Wind15.8 mph NW
Humidity64%
Visibility—
Dew point34°
Mon, 0948° / 38°0
Morning41°feels 33°
Afternoon46°feels 39°
Evening42°feels 36°
Overnight40°feels 34°
48 °
Frontenac, Monday, 9 November
Clear. High 48°, low 38°.
Pressure29.83 inHg
Wind17.2 mph NW
Humidity49%
Visibility—
Dew point28°
Tue, 1048° / 38°0
Morning41°feels 34°
Afternoon47°feels 41°
Evening42°feels 35°
Overnight39°feels 33°
48 °
Frontenac, Tuesday, 10 November
Clear. High 48°, low 38°.
Pressure30.03 inHg
Wind17.2 mph NW
Humidity59%
Visibility—
Dew point33°
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.