10-day forecast for Forest Lake, IL: 39° to 80°, with precipitation expected on 3 days. The table below breaks each day into morning, afternoon, evening and overnight.
80°
Best day: Tuesday, October 13
59° · 0.89 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Wed, 1474° / 58°0.07
Morning62°feels 62°
Afternoon71°feels 71°
Evening60°feels 59°
Overnight65°feels 65°
74 °
Forest Lake, Wednesday, 14 October
Rain. High 74°, low 58°.
Pressure30.09 inHg
Wind7.1 mph NE
Humidity63%
Visibility6.2 mi
Dew point56°
Thu, 1559° / 56°0.89
Morning56°feels 55°
Afternoon59°feels 59°
Evening58°feels 58°
Overnight57°feels 57°
59 °
Forest Lake, Thursday, 15 October
Rain. High 59°, low 56°.
Pressure30.06 inHg
Wind10.1 mph E
Humidity96%
Visibility3.2 mi
Dew point56°
Fri, 1656° / 46°0
Morning47°feels 40°
Afternoon54°feels 52°
Evening49°feels 44°
Overnight54°feels 53°
56 °
Forest Lake, Friday, 16 October
Light rain. High 56°, low 46°.
Pressure30.12 inHg
Wind21.6 mph NW
Humidity61%
Visibility6.2 mi
Dew point39°
Sat, 1756° / 39°0
Morning43°feels 42°
Afternoon54°feels 51°
Evening49°feels 45°
Overnight42°feels 38°
56 °
Forest Lake, Saturday, 17 October
Clear. High 56°, low 39°.
Pressure30.47 inHg
Wind11.3 mph SW
Humidity44%
Visibility—
Dew point31°
Sun, 1861° / 45°0
Morning50°feels 45°
Afternoon59°feels 57°
Evening55°feels 53°
Overnight52°feels 49°
61 °
Forest Lake, Sunday, 18 October
Partly cloudy. High 61°, low 45°.
Pressure30.21 inHg
Wind14.3 mph SW
Humidity54%
Visibility—
Dew point41°
Mon, 1953° / 50°0.09
Morning51°feels 49°
Afternoon53°feels 51°
Evening50°feels 49°
Overnight50°feels 49°
53 °
Forest Lake, Monday, 19 October
Light rain. High 53°, low 50°.
Pressure30.27 inHg
Wind8.3 mph SW
Humidity63%
Visibility—
Dew point41°
Tue, 2062° / 51°0.01
Morning54°feels 54°
Afternoon60°feels 60°
Evening59°feels 59°
Overnight58°feels 58°
62 °
Forest Lake, Tuesday, 20 October
Light rain. High 62°, low 51°.
Pressure30.27 inHg
Wind6.5 mph SE
Humidity86%
Visibility—
Dew point55°
Wed, 2172° / 59°0
Morning63°feels 63°
Afternoon70°feels 70°
Evening65°feels 65°
Overnight63°feels 63°
72 °
Forest Lake, Wednesday, 21 October
Mostly clear. High 72°, low 59°.
Pressure30.21 inHg
Wind10.2 mph S
Humidity66%
Visibility—
Dew point57°
Thu, 2269° / 62°0.03
Morning64°feels 64°
Afternoon68°feels 68°
Evening68°feels 68°
Overnight68°feels 68°
69 °
Forest Lake, Thursday, 22 October
Light rain. High 69°, low 62°.
Pressure30.03 inHg
Wind16.1 mph S
Humidity69%
Visibility—
Dew point57°
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.