10-day forecast for Sandwich, IL: 58° to 90°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
83°
Best day: Wednesday, August 12
75° · 0.25 in
Worst day: Thursday, August 13
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1090° / 71°0.1
Morning75°feels 77°
Afternoon89°feels 102°
Evening78°feels 80°
Overnight77°feels 78°
90 °
Sandwich, Monday, 10 August
Rain. High 90°, low 71°.
Pressure29.88 inHg
Wind5.2 mph NW
Humidity80%
Visibility6.2 mi
Dew point77°
Tue, 1182° / 70°0.1
Morning73°feels 75°
Afternoon74°feels 76°
Evening76°feels 78°
Overnight70°feels 71°
82 °
Sandwich, Tuesday, 11 August
Rain. High 82°, low 70°.
Pressure29.83 inHg
Wind6.7 mph S
Humidity81%
Visibility6.2 mi
Dew point71°
Wed, 1283° / 67°0.02
Morning72°feels 74°
Afternoon82°feels 87°
Evening71°feels 72°
Overnight71°feels 72°
83 °
Sandwich, Wednesday, 12 August
Light rain. High 83°, low 67°.
Pressure29.85 inHg
Wind3.4 mph W
Humidity74%
Visibility6.2 mi
Dew point72°
Thu, 1375° / 62°0.25
Morning67°feels 67°
Afternoon74°feels 74°
Evening66°feels 67°
Overnight65°feels 64°
75 °
Sandwich, Thursday, 13 August
Rain. High 75°, low 62°.
Pressure30.03 inHg
Wind8.8 mph E
Humidity66%
Visibility—
Dew point62°
Fri, 1475° / 58°0.07
Morning62°feels 62°
Afternoon71°feels 71°
Evening65°feels 65°
Overnight61°feels 61°
75 °
Sandwich, Friday, 14 August
Light rain. High 75°, low 58°.
Pressure30.15 inHg
Wind9.6 mph E
Humidity59%
Visibility—
Dew point55°
Sat, 1574° / 58°0.04
Morning63°feels 63°
Afternoon73°feels 73°
Evening70°feels 70°
Overnight65°feels 65°
74 °
Sandwich, Saturday, 15 August
Light rain. High 74°, low 58°.
Pressure30.24 inHg
Wind10.5 mph SE
Humidity65%
Visibility—
Dew point59°
Sun, 1675° / 61°0.03
Morning65°feels 65°
Afternoon73°feels 74°
Evening72°feels 73°
Overnight67°feels 68°
75 °
Sandwich, Sunday, 16 August
Light rain. High 75°, low 61°.
Pressure30.09 inHg
Wind6 mph E
Humidity78%
Visibility—
Dew point65°
Mon, 1780° / 64°0.01
Morning69°feels 69°
Afternoon78°feels 79°
Evening74°feels 75°
Overnight65°feels 66°
80 °
Sandwich, Monday, 17 August
Light rain. High 80°, low 64°.
Pressure30.09 inHg
Wind7.4 mph E
Humidity72%
Visibility—
Dew point67°
Tue, 1877° / 63°0
Morning66°feels 67°
Afternoon74°feels 75°
Evening74°feels 76°
Overnight68°feels 69°
77 °
Sandwich, Tuesday, 18 August
Overcast. High 77°, low 63°.
Pressure30.03 inHg
Wind6.4 mph SE
Humidity85%
Visibility—
Dew point68°
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 Sandwich, 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.