10-day forecast for Frontenac, IL: 49° to 70°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
70°
Best day: Sunday, October 25
59° · 0.29 in
Worst day: Sunday, November 1
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 2668° / 49°0
Morning52°feels 51°
Afternoon66°feels 65°
Evening54°feels 53°
Overnight52°feels 51°
68 °
Frontenac, Monday, 26 October
Overcast. High 68°, low 49°.
Pressure30.36 inHg
Wind6.4 mph NE
Humidity77%
Visibility6.2 mi
Dew point55°
Tue, 2766° / 50°0
Morning50°feels 49°
Afternoon65°feels 64°
Evening60°feels 60°
Overnight50°feels 49°
66 °
Frontenac, Tuesday, 27 October
Light rain. High 66°, low 50°.
Pressure30.27 inHg
Wind5.7 mph SE
Humidity78%
Visibility6.2 mi
Dew point54°
Wed, 2869° / 52°0
Morning53°feels 52°
Afternoon69°feels 68°
Evening60°feels 60°
Overnight54°feels 53°
69 °
Frontenac, Wednesday, 28 October
Overcast. High 69°, low 52°.
Pressure30.21 inHg
Wind7.2 mph S
Humidity67%
Visibility6.2 mi
Dew point55°
Thu, 2970° / 56°0.04
Morning58°feels 58°
Afternoon68°feels 68°
Evening62°feels 63°
Overnight57°feels 57°
70 °
Frontenac, Thursday, 29 October
Light rain. High 70°, low 56°.
Pressure30.09 inHg
Wind10 mph SW
Humidity65%
Visibility—
Dew point55°
Fri, 3065° / 49°0.02
Morning54°feels 52°
Afternoon63°feels 63°
Evening57°feels 57°
Overnight53°feels 52°
65 °
Frontenac, Friday, 30 October
Light rain. High 65°, low 49°.
Pressure30.27 inHg
Wind6.2 mph N
Humidity67%
Visibility—
Dew point51°
Sat, 3167° / 54°0.21
Morning60°feels 59°
Afternoon65°feels 64°
Evening58°feels 58°
Overnight58°feels 58°
67 °
Frontenac, Saturday, 31 October
Light rain. High 67°, low 54°.
Pressure30.09 inHg
Wind9.2 mph S
Humidity60%
Visibility—
Dew point51°
Sun, 0159° / 58°0.29
Morning58°feels 58°
Afternoon59°feels 59°
Evening59°feels 59°
Overnight59°feels 59°
59 °
Frontenac, Sunday, 1 November
Light rain. High 59°, low 58°.
Pressure30.03 inHg
Wind10.1 mph S
Humidity97%
Visibility—
Dew point58°
Mon, 0266° / 56°0
Morning59°feels 59°
Afternoon64°feels 64°
Evening62°feels 61°
Overnight62°feels 62°
66 °
Frontenac, Monday, 2 November
Overcast. High 66°, low 56°.
Pressure30.00 inHg
Wind14.4 mph S
Humidity72%
Visibility—
Dew point55°
Tue, 0367° / 55°0.07
Morning65°feels 65°
Afternoon66°feels 65°
Evening58°feels 57°
Overnight57°feels 56°
67 °
Frontenac, Tuesday, 3 November
Light rain. High 67°, low 55°.
Pressure29.77 inHg
Wind17 mph S
Humidity59%
Visibility—
Dew point52°
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.