10-day forecast for Frederick, IL: 38° to 79°, with precipitation expected on 0 days. The table below breaks each day into morning, afternoon, evening and overnight.
79°
Best day: Saturday, October 24
56°
Worst day: Monday, October 26
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1966° / 42°0
Morning45°feels 45°
Afternoon66°feels 65°
Evening54°feels 53°
Overnight46°feels 44°
66 °
Frederick, Monday, 19 October
Partly cloudy. High 66°, low 42°.
Pressure30.39 inHg
Wind3.6 mph S
Humidity56%
Visibility6.2 mi
Dew point46°
Tue, 2068° / 45°0
Morning46°feels 45°
Afternoon67°feels 66°
Evening55°feels 54°
Overnight48°feels 48°
68 °
Frederick, Tuesday, 20 October
Clear. High 68°, low 45°.
Pressure30.36 inHg
Wind3.2 mph SE
Humidity51%
Visibility6.2 mi
Dew point47°
Wed, 2170° / 47°0
Morning48°feels 48°
Afternoon69°feels 68°
Evening58°feels 57°
Overnight50°feels 50°
70 °
Frederick, Wednesday, 21 October
Overcast. High 70°, low 47°.
Pressure30.30 inHg
Wind3.3 mph S
Humidity54%
Visibility6.2 mi
Dew point50°
Thu, 2270° / 50°0
Morning55°feels 55°
Afternoon68°feels 67°
Evening60°feels 59°
Overnight53°feels 52°
70 °
Frederick, Thursday, 22 October
Clear. High 70°, low 50°.
Pressure30.27 inHg
Wind4.4 mph E
Humidity49%
Visibility—
Dew point47°
Fri, 2369° / 51°0
Morning56°feels 55°
Afternoon67°feels 65°
Evening61°feels 60°
Overnight59°feels 58°
69 °
Frederick, Friday, 23 October
Clear. High 69°, low 51°.
Pressure30.30 inHg
Wind9.2 mph SE
Humidity50%
Visibility—
Dew point46°
Sat, 2479° / 59°0
Morning64°feels 62°
Afternoon76°feels 75°
Evening69°feels 68°
Overnight66°feels 64°
79 °
Frederick, Saturday, 24 October
Overcast. High 79°, low 59°.
Pressure30.21 inHg
Wind14.1 mph S
Humidity25%
Visibility—
Dew point37°
Sun, 2563° / 48°0.03
Morning56°feels 55°
Afternoon58°feels 55°
Evening52°feels 49°
Overnight50°feels 47°
63 °
Frederick, Sunday, 25 October
Light rain. High 63°, low 48°.
Pressure30.47 inHg
Wind11.4 mph N
Humidity40%
Visibility—
Dew point34°
Mon, 2656° / 43°0.03
Morning46°feels 43°
Afternoon55°feels 52°
Evening49°feels 47°
Overnight48°feels 46°
56 °
Frederick, Monday, 26 October
Light rain. High 56°, low 43°.
Pressure30.36 inHg
Wind9.5 mph S
Humidity30%
Visibility—
Dew point23°
Tue, 2772° / 50°0
Morning57°feels 55°
Afternoon69°feels 67°
Evening63°feels 62°
Overnight58°feels 57°
72 °
Frederick, Tuesday, 27 October
Overcast. High 72°, low 50°.
Pressure30.15 inHg
Wind7 mph SW
Humidity46%
Visibility—
Dew point46°
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.