10-day forecast for Frederick, IL: 36° to 89°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
89°
Best day: Monday, October 12
72° · 0.42 in
Worst day: Wednesday, October 14
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1289° / 63°0
Morning67°feels 67°
Afternoon87°feels 88°
Evening75°feels 75°
Overnight65°feels 65°
89 °
Frederick, Monday, 12 October
Overcast. High 89°, low 63°.
Pressure29.88 inHg
Wind10.9 mph SW
Humidity51%
Visibility6.2 mi
Dew point62°
Tue, 1389° / 67°0.06
Morning73°feels 73°
Afternoon87°feels 91°
Evening77°feels 78°
Overnight73°feels 72°
89 °
Frederick, Tuesday, 13 October
Light rain. High 89°, low 67°.
Pressure29.85 inHg
Wind7.5 mph W
Humidity60%
Visibility6.2 mi
Dew point68°
Wed, 1472° / 68°0.42
Morning68°feels 69°
Afternoon71°feels 72°
Evening68°feels 69°
Overnight71°feels 72°
72 °
Frederick, Wednesday, 14 October
Heavy rain. High 72°, low 68°.
Pressure30.03 inHg
Wind8.3 mph NE
Humidity91%
Visibility2.5 mi
Dew point68°
Thu, 1579° / 65°0.3
Morning67°feels 68°
Afternoon78°feels 80°
Evening70°feels 72°
Overnight68°feels 68°
79 °
Frederick, Thursday, 15 October
Light rain. High 79°, low 65°.
Pressure29.94 inHg
Wind10.7 mph SW
Humidity83%
Visibility4.6 mi
Dew point71°
Fri, 1660° / 50°0.1
Morning55°feels 53°
Afternoon59°feels 57°
Evening54°feels 51°
Overnight51°feels 49°
60 °
Frederick, Friday, 16 October
Light rain. High 60°, low 50°.
Pressure30.45 inHg
Wind15.6 mph N
Humidity50%
Visibility—
Dew point40°
Sat, 1752° / 41°0
Morning44°feels 43°
Afternoon50°feels 47°
Evening44°feels 41°
Overnight41°feels 38°
52 °
Frederick, Saturday, 17 October
Mostly clear. High 52°, low 41°.
Pressure30.62 inHg
Wind6.7 mph NE
Humidity36%
Visibility—
Dew point24°
Sun, 1861° / 36°0
Morning42°feels 36°
Afternoon56°feels 53°
Evening50°feels 47°
Overnight45°feels 40°
61 °
Frederick, Sunday, 18 October
Clear. High 61°, low 36°.
Pressure30.47 inHg
Wind15.6 mph S
Humidity34%
Visibility—
Dew point26°
Mon, 1967° / 42°0
Morning48°feels 44°
Afternoon64°feels 62°
Evening57°feels 55°
Overnight52°feels 49°
67 °
Frederick, Monday, 19 October
Clear. High 67°, low 42°.
Pressure30.39 inHg
Wind12 mph SW
Humidity34%
Visibility—
Dew point33°
Tue, 2070° / 51°0
Morning56°feels 54°
Afternoon68°feels 67°
Evening63°feels 62°
Overnight59°feels 57°
70 °
Frederick, Tuesday, 20 October
Overcast. High 70°, low 51°.
Pressure30.27 inHg
Wind11.4 mph S
Humidity46%
Visibility—
Dew point45°
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.