10-day forecast for Frederick, IL: 41° to 79°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
79°
Best day: Friday, October 23
73° · 0.53 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Thu, 1573° / 61°0.53
Morning66°feels 65°
Afternoon71°feels 72°
Evening69°feels 71°
Overnight68°feels 68°
73 °
Frederick, Thursday, 15 October
Rain. High 73°, low 61°.
Pressure29.94 inHg
Wind6.1 mph SE
Humidity98%
Visibility2.1 mi
Dew point67°
Fri, 1659° / 50°0.07
Morning50°feels 45°
Afternoon56°feels 54°
Evening52°feels 50°
Overnight56°feels 55°
59 °
Frederick, Friday, 16 October
Rain. High 59°, low 50°.
Pressure30.18 inHg
Wind16.9 mph NW
Humidity54%
Visibility6.2 mi
Dew point38°
Sat, 1757° / 41°0
Morning41°feels 37°
Afternoon56°feels 53°
Evening49°feels 48°
Overnight46°feels 41°
57 °
Frederick, Saturday, 17 October
Clear. High 57°, low 41°.
Pressure30.56 inHg
Wind1.5 mph N
Humidity47%
Visibility6.2 mi
Dew point33°
Sun, 1862° / 41°0
Morning45°feels 42°
Afternoon61°feels 58°
Evening51°feels 49°
Overnight43°feels 41°
62 °
Frederick, Sunday, 18 October
Clear. High 62°, low 41°.
Pressure30.47 inHg
Wind7.4 mph S
Humidity49%
Visibility6.2 mi
Dew point38°
Mon, 1965° / 42°0
Morning48°feels 48°
Afternoon62°feels 60°
Evening55°feels 53°
Overnight49°feels 47°
65 °
Frederick, Monday, 19 October
Clear. High 65°, low 42°.
Pressure30.42 inHg
Wind4.1 mph S
Humidity44%
Visibility—
Dew point38°
Tue, 2072° / 46°0
Morning52°feels 52°
Afternoon67°feels 66°
Evening63°feels 62°
Overnight58°feels 57°
72 °
Frederick, Tuesday, 20 October
Mostly clear. High 72°, low 46°.
Pressure30.30 inHg
Wind5.8 mph E
Humidity49%
Visibility—
Dew point45°
Wed, 2177° / 56°0
Morning62°feels 61°
Afternoon75°feels 74°
Evening68°feels 67°
Overnight64°feels 63°
77 °
Frederick, Wednesday, 21 October
Clear. High 77°, low 56°.
Pressure30.18 inHg
Wind10.8 mph S
Humidity45%
Visibility—
Dew point51°
Thu, 2271° / 66°0.12
Morning67°feels 67°
Afternoon67°feels 67°
Evening68°feels 69°
Overnight66°feels 66°
71 °
Frederick, Thursday, 22 October
Light rain. High 71°, low 66°.
Pressure30.00 inHg
Wind15.7 mph SW
Humidity80%
Visibility—
Dew point60°
Fri, 2379° / 59°0
Morning64°feels 64°
Afternoon75°feels 75°
Evening72°feels 73°
Overnight69°feels 69°
79 °
Frederick, Friday, 23 October
Clear. High 79°, low 59°.
Pressure30.06 inHg
Wind8.1 mph SE
Humidity61%
Visibility—
Dew point59°
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.