10-day forecast for Frederick, IL: 41° to 91°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
91°
Best day: Tuesday, October 13
73° · 1.19 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 1478° / 63°0.02
Morning65°feels 65°
Afternoon76°feels 76°
Evening71°feels 71°
Overnight69°feels 70°
78 °
Frederick, Wednesday, 14 October
Light rain. High 78°, low 63°.
Pressure30.06 inHg
Wind5.7 mph NE
Humidity65%
Visibility6.2 mi
Dew point61°
Thu, 1573° / 60°1.19
Morning62°feels 63°
Afternoon70°feels 72°
Evening69°feels 71°
Overnight64°feels 64°
73 °
Frederick, Thursday, 15 October
Heavy rain. High 73°, low 60°.
Pressure29.97 inHg
Wind0.7 mph NE
Humidity98%
Visibility1.5 mi
Dew point65°
Fri, 1659° / 49°0
Morning50°feels 44°
Afternoon56°feels 54°
Evening51°feels 49°
Overnight59°feels 58°
59 °
Frederick, Friday, 16 October
Overcast. High 59°, low 49°.
Pressure30.36 inHg
Wind18.5 mph NW
Humidity52%
Visibility6.2 mi
Dew point37°
Sat, 1759° / 41°0
Morning46°feels 45°
Afternoon56°feels 54°
Evening51°feels 48°
Overnight47°feels 44°
59 °
Frederick, Saturday, 17 October
Clear. High 59°, low 41°.
Pressure30.50 inHg
Wind6.5 mph N
Humidity39%
Visibility—
Dew point31°
Sun, 1866° / 46°0
Morning51°feels 47°
Afternoon61°feels 59°
Evening55°feels 52°
Overnight51°feels 47°
66 °
Frederick, Sunday, 18 October
Partly cloudy. High 66°, low 46°.
Pressure30.27 inHg
Wind10.5 mph S
Humidity43%
Visibility—
Dew point38°
Mon, 1963° / 50°0.09
Morning55°feels 52°
Afternoon61°feels 60°
Evening54°feels 53°
Overnight52°feels 51°
63 °
Frederick, Monday, 19 October
Light rain. High 63°, low 50°.
Pressure30.21 inHg
Wind8.6 mph S
Humidity45%
Visibility—
Dew point40°
Tue, 2071° / 54°0.01
Morning60°feels 60°
Afternoon69°feels 69°
Evening64°feels 64°
Overnight62°feels 62°
71 °
Frederick, Tuesday, 20 October
Light rain. High 71°, low 54°.
Pressure30.12 inHg
Wind10.1 mph S
Humidity68%
Visibility—
Dew point57°
Wed, 2171° / 60°0
Morning62°feels 62°
Afternoon67°feels 67°
Evening67°feels 67°
Overnight64°feels 64°
71 °
Frederick, Wednesday, 21 October
Overcast. High 71°, low 60°.
Pressure30.15 inHg
Wind12.8 mph SE
Humidity76%
Visibility—
Dew point58°
Thu, 2280° / 63°0.03
Morning68°feels 68°
Afternoon78°feels 78°
Evening75°feels 75°
Overnight71°feels 71°
80 °
Frederick, Thursday, 22 October
Light rain. High 80°, low 63°.
Pressure29.94 inHg
Wind21.4 mph S
Humidity57%
Visibility—
Dew point60°
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 Frederick, 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.