10-day forecast for Forest Lake, IL: 38° to 71°, with precipitation expected on 2 days. The table below breaks each day into morning, afternoon, evening and overnight.
71°
Best day: Friday, October 23
65° · 0.43 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Fri, 1658° / 45°0.1
Morning51°feels 49°
Afternoon52°feels 51°
Evening48°feels 43°
Overnight53°feels 51°
58 °
Forest Lake, Friday, 16 October
Rain. High 58°, low 45°.
Pressure30.06 inHg
Wind16.5 mph NW
Humidity74%
Visibility5.3 mi
Dew point44°
Sat, 1755° / 38°0
Morning40°feels 36°
Afternoon55°feels 52°
Evening47°feels 44°
Overnight42°feels 36°
55 °
Forest Lake, Saturday, 17 October
Clear. High 55°, low 38°.
Pressure30.53 inHg
Wind7.1 mph SW
Humidity49%
Visibility6.2 mi
Dew point33°
Sun, 1860° / 43°0
Morning44°feels 38°
Afternoon60°feels 58°
Evening53°feels 50°
Overnight44°feels 39°
60 °
Forest Lake, Sunday, 18 October
Clear. High 60°, low 43°.
Pressure30.42 inHg
Wind14.1 mph SW
Humidity50%
Visibility6.2 mi
Dew point39°
Mon, 1961° / 43°0
Morning46°feels 43°
Afternoon60°feels 58°
Evening55°feels 53°
Overnight47°feels 43°
61 °
Forest Lake, Monday, 19 October
Overcast. High 61°, low 43°.
Pressure30.33 inHg
Wind9.7 mph SW
Humidity56%
Visibility—
Dew point42°
Tue, 2066° / 49°0
Morning54°feels 53°
Afternoon64°feels 63°
Evening55°feels 54°
Overnight52°feels 51°
66 °
Forest Lake, Tuesday, 20 October
Mostly clear. High 66°, low 49°.
Pressure30.33 inHg
Wind4.9 mph S
Humidity52%
Visibility—
Dew point46°
Wed, 2167° / 50°0
Morning55°feels 54°
Afternoon65°feels 64°
Evening57°feels 55°
Overnight55°feels 53°
67 °
Forest Lake, Wednesday, 21 October
Clear. High 67°, low 50°.
Pressure30.36 inHg
Wind5.1 mph E
Humidity40%
Visibility—
Dew point40°
Thu, 2269° / 53°0
Morning57°feels 55°
Afternoon67°feels 66°
Evening64°feels 63°
Overnight60°feels 59°
69 °
Forest Lake, Thursday, 22 October
Clear. High 69°, low 53°.
Pressure30.24 inHg
Wind9.2 mph SW
Humidity47%
Visibility—
Dew point45°
Fri, 2371° / 59°0
Morning63°feels 61°
Afternoon70°feels 68°
Evening65°feels 63°
Overnight63°feels 61°
71 °
Forest Lake, Friday, 23 October
Overcast. High 71°, low 59°.
Pressure30.24 inHg
Wind10.9 mph SE
Humidity36%
Visibility—
Dew point41°
Sat, 2469° / 59°0
Morning61°feels 59°
Afternoon66°feels 65°
Evening64°feels 63°
Overnight60°feels 59°
69 °
Forest Lake, Saturday, 24 October
Light rain. High 69°, low 59°.
Pressure30.18 inHg
Wind13.2 mph S
Humidity50%
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 Forest Lake, 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.