10-day forecast for Forest Lake, IL: 56° to 84°, with precipitation expected on 4 days. The table below breaks each day into morning, afternoon, evening and overnight.
84°
Best day: Wednesday, August 12
83° · 1.11 in
Worst day: Sunday, August 9
Tap any day below to see morning, afternoon, evening and overnight.
Sun, 0983° / 64°1.11
Morning71°feels 71°
Afternoon75°feels 77°
Evening80°feels 87°
Overnight67°feels 68°
83 °
Forest Lake, Sunday, 9 August
Heavy rain. High 83°, low 64°.
Pressure29.88 inHg
Wind9.5 mph SE
Humidity94%
Visibility6.2 mi
Dew point63°
Mon, 1084° / 71°0.22
Morning71°feels 72°
Afternoon79°feels 79°
Evening76°feels 78°
Overnight75°feels 77°
84 °
Forest Lake, Monday, 10 August
Heavy rain. High 84°, low 71°.
Pressure29.88 inHg
Wind5.6 mph S
Humidity86%
Visibility6.2 mi
Dew point71°
Tue, 1183° / 69°0.56
Morning74°feels 75°
Afternoon72°feels 73°
Evening70°feels 72°
Overnight71°feels 72°
83 °
Forest Lake, Tuesday, 11 August
Heavy rain. High 83°, low 69°.
Pressure29.80 inHg
Wind5.6 mph W
Humidity92%
Visibility1.5 mi
Dew point73°
Wed, 1284° / 65°0
Morning69°feels 69°
Afternoon83°feels 85°
Evening78°feels 78°
Overnight66°feels 67°
84 °
Forest Lake, Wednesday, 12 August
Partly cloudy. High 84°, low 65°.
Pressure29.88 inHg
Wind2.9 mph W
Humidity65%
Visibility6.2 mi
Dew point65°
Thu, 1370° / 59°0.07
Morning66°feels 66°
Afternoon69°feels 69°
Evening65°feels 64°
Overnight60°feels 60°
70 °
Forest Lake, Thursday, 13 August
Light rain. High 70°, low 59°.
Pressure29.97 inHg
Wind10.7 mph NE
Humidity72%
Visibility—
Dew point60°
Fri, 1474° / 56°0
Morning62°feels 61°
Afternoon72°feels 71°
Evening65°feels 65°
Overnight60°feels 59°
74 °
Forest Lake, Friday, 14 August
Clear. High 74°, low 56°.
Pressure30.18 inHg
Wind7.5 mph N
Humidity48%
Visibility—
Dew point50°
Sat, 1576° / 56°0
Morning62°feels 62°
Afternoon74°feels 73°
Evening69°feels 69°
Overnight62°feels 61°
76 °
Forest Lake, Saturday, 15 August
Overcast. High 76°, low 56°.
Pressure30.30 inHg
Wind6.3 mph SW
Humidity46%
Visibility—
Dew point50°
Sun, 1677° / 59°0
Morning64°feels 64°
Afternoon76°feels 76°
Evening72°feels 72°
Overnight66°feels 66°
77 °
Forest Lake, Sunday, 16 August
Partly cloudy. High 77°, low 59°.
Pressure30.18 inHg
Wind10.9 mph SW
Humidity52%
Visibility—
Dew point55°
Mon, 1782° / 67°0.02
Morning68°feels 69°
Afternoon71°feels 72°
Evening75°feels 76°
Overnight72°feels 72°
82 °
Forest Lake, Monday, 17 August
Light rain. High 82°, low 67°.
Pressure30.00 inHg
Wind7.3 mph S
Humidity86%
Visibility—
Dew point66°
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.