10-day forecast for Frederick, IL: 38° to 81°, with precipitation expected on 1 day. The table below breaks each day into morning, afternoon, evening and overnight.
81°
Best day: Sunday, October 25
56° · 0.04 in
Worst day: Friday, October 16
Tap any day below to see morning, afternoon, evening and overnight.
Sat, 1758° / 38°0
Morning40°feels 36°
Afternoon56°feels 53°
Evening49°feels 47°
Overnight43°feels 38°
58 °
Frederick, Saturday, 17 October
Clear. High 58°, low 38°.
Pressure30.56 inHg
Wind1.3 mph S
Humidity46%
Visibility6.2 mi
Dew point33°
Sun, 1863° / 42°0
Morning44°feels 40°
Afternoon62°feels 60°
Evening52°feels 50°
Overnight43°feels 40°
63 °
Frederick, Sunday, 18 October
Clear. High 63°, low 42°.
Pressure30.47 inHg
Wind9.8 mph S
Humidity50%
Visibility6.2 mi
Dew point41°
Mon, 1966° / 43°0
Morning45°feels 43°
Afternoon66°feels 64°
Evening55°feels 54°
Overnight46°feels 44°
66 °
Frederick, Monday, 19 October
Partly cloudy. High 66°, low 43°.
Pressure30.39 inHg
Wind4.7 mph S
Humidity52%
Visibility6.2 mi
Dew point44°
Tue, 2068° / 47°0
Morning51°feels 50°
Afternoon68°feels 66°
Evening59°feels 58°
Overnight49°feels 49°
68 °
Frederick, Tuesday, 20 October
Overcast. High 68°, low 47°.
Pressure30.33 inHg
Wind4.4 mph S
Humidity51%
Visibility6.2 mi
Dew point46°
Wed, 2171° / 48°0.01
Morning54°feels 53°
Afternoon67°feels 65°
Evening60°feels 59°
Overnight55°feels 54°
71 °
Frederick, Wednesday, 21 October
Light rain. High 71°, low 48°.
Pressure30.27 inHg
Wind4.2 mph S
Humidity50%
Visibility—
Dew point46°
Thu, 2277° / 51°0
Morning58°feels 56°
Afternoon73°feels 72°
Evening65°feels 64°
Overnight60°feels 58°
77 °
Frederick, Thursday, 22 October
Clear. High 77°, low 51°.
Pressure30.18 inHg
Wind6.6 mph S
Humidity38%
Visibility—
Dew point44°
Fri, 2377° / 57°0
Morning62°feels 60°
Afternoon74°feels 72°
Evening67°feels 65°
Overnight63°feels 61°
77 °
Frederick, Friday, 23 October
Overcast. High 77°, low 57°.
Pressure30.15 inHg
Wind8.4 mph SE
Humidity28%
Visibility—
Dew point38°
Sat, 2480° / 59°0
Morning65°feels 63°
Afternoon76°feels 75°
Evening68°feels 67°
Overnight64°feels 62°
80 °
Frederick, Saturday, 24 October
Partly cloudy. High 80°, low 59°.
Pressure30.21 inHg
Wind9.7 mph SE
Humidity27%
Visibility—
Dew point39°
Sun, 2581° / 58°0
Morning64°feels 63°
Afternoon78°feels 77°
Evening71°feels 70°
Overnight66°feels 64°
81 °
Frederick, Sunday, 25 October
Partly cloudy. High 81°, low 58°.
Pressure30.15 inHg
Wind11 mph S
Humidity28%
Visibility—
Dew point40°
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.