10-day forecast for Forest Lake, IL: 38° to 86°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
86°
Best day: Monday, October 12
58° · 1.09 in
Worst day: Thursday, October 15
Tap any day below to see morning, afternoon, evening and overnight.
Tue, 1379° / 65°0.31
Morning68°feels 69°
Afternoon79°feels 79°
Evening68°feels 68°
Overnight75°feels 76°
79 °
Forest Lake, Tuesday, 13 October
Heavy rain. High 79°, low 65°.
Pressure29.83 inHg
Wind8.9 mph W
Humidity66%
Visibility6.2 mi
Dew point61°
Wed, 1473° / 57°0.06
Morning61°feels 61°
Afternoon67°feels 66°
Evening58°feels 58°
Overnight64°feels 65°
73 °
Forest Lake, Wednesday, 14 October
Rain. High 73°, low 57°.
Pressure30.09 inHg
Wind8.2 mph NE
Humidity63%
Visibility6.2 mi
Dew point55°
Thu, 1558° / 55°1.09
Morning55°feels 54°
Afternoon58°feels 58°
Evening57°feels 57°
Overnight57°feels 56°
58 °
Forest Lake, Thursday, 15 October
Heavy rain. High 58°, low 55°.
Pressure30.09 inHg
Wind9 mph E
Humidity93%
Visibility3.7 mi
Dew point56°
Fri, 1655° / 46°0.02
Morning48°feels 41°
Afternoon54°feels 52°
Evening48°feels 44°
Overnight54°feels 54°
55 °
Forest Lake, Friday, 16 October
Light rain. High 55°, low 46°.
Pressure30.18 inHg
Wind22.4 mph NW
Humidity58%
Visibility6.2 mi
Dew point38°
Sat, 1757° / 38°0
Morning43°feels 42°
Afternoon54°feels 52°
Evening50°feels 47°
Overnight46°feels 42°
57 °
Forest Lake, Saturday, 17 October
Clear. High 57°, low 38°.
Pressure30.45 inHg
Wind11.8 mph SW
Humidity44%
Visibility—
Dew point31°
Sun, 1860° / 45°0
Morning49°feels 44°
Afternoon58°feels 56°
Evening52°feels 49°
Overnight49°feels 44°
60 °
Forest Lake, Sunday, 18 October
Overcast. High 60°, low 45°.
Pressure30.21 inHg
Wind14.9 mph SW
Humidity51%
Visibility—
Dew point39°
Mon, 1957° / 46°0.03
Morning49°feels 46°
Afternoon56°feels 54°
Evening54°feels 52°
Overnight50°feels 49°
57 °
Forest Lake, Monday, 19 October
Light rain. High 57°, low 46°.
Pressure30.24 inHg
Wind8.3 mph S
Humidity51%
Visibility—
Dew point38°
Tue, 2058° / 53°0.4
Morning55°feels 54°
Afternoon58°feels 58°
Evening57°feels 57°
Overnight56°feels 56°
58 °
Forest Lake, Tuesday, 20 October
Rain. High 58°, low 53°.
Pressure30.21 inHg
Wind11.1 mph SE
Humidity92%
Visibility—
Dew point55°
Wed, 2166° / 56°0.03
Morning59°feels 59°
Afternoon65°feels 65°
Evening64°feels 64°
Overnight61°feels 60°
66 °
Forest Lake, Wednesday, 21 October
Light rain. High 66°, low 56°.
Pressure30.21 inHg
Wind10 mph S
Humidity79%
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.