10-day forecast for Winthrop Harbor Station, IL: 62° to 85°, with precipitation expected on 6 days. The table below breaks each day into morning, afternoon, evening and overnight.
76°
Best day: Tuesday, August 18
77° · 0.69 in
Worst day: Tuesday, August 11
Tap any day below to see morning, afternoon, evening and overnight.
Mon, 1085° / 72°0.31
Morning73°feels 75°
Afternoon85°feels 93°
Evening75°feels 77°
Overnight73°feels 74°
85 °
Winthrop Harbor Station, Monday, 10 August
Rain. High 85°, low 72°.
Pressure29.91 inHg
Wind7.5 mph NE
Humidity75%
Visibility6.2 mi
Dew point69°
Tue, 1177° / 67°0.69
Morning70°feels 71°
Afternoon75°feels 76°
Evening70°feels 71°
Overnight71°feels 72°
77 °
Winthrop Harbor Station, Tuesday, 11 August
Heavy rain. High 77°, low 67°.
Pressure29.80 inHg
Wind12.8 mph E
Humidity94%
Visibility6.2 mi
Dew point69°
Wed, 1275° / 66°0.03
Morning70°feels 71°
Afternoon75°feels 76°
Evening68°feels 69°
Overnight67°feels 68°
75 °
Winthrop Harbor Station, Wednesday, 12 August
Light rain. High 75°, low 66°.
Pressure29.91 inHg
Wind3.4 mph NE
Humidity79%
Visibility6.2 mi
Dew point68°
Thu, 1374° / 66°0.07
Morning69°feels 70°
Afternoon74°feels 74°
Evening67°feels 68°
Overnight66°feels 67°
74 °
Winthrop Harbor Station, Thursday, 13 August
Light rain. High 74°, low 66°.
Pressure29.94 inHg
Wind5.7 mph E
Humidity71%
Visibility6.2 mi
Dew point63°
Fri, 1473° / 64°0.01
Morning69°feels 69°
Afternoon72°feels 72°
Evening69°feels 69°
Overnight67°feels 67°
73 °
Winthrop Harbor Station, Friday, 14 August
Light rain. High 73°, low 64°.
Pressure30.12 inHg
Wind14.2 mph E
Humidity67%
Visibility—
Dew point60°
Sat, 1583° / 68°0.37
Morning72°feels 73°
Afternoon79°feels 80°
Evening80°feels 87°
Overnight74°feels 76°
83 °
Winthrop Harbor Station, Saturday, 15 August
Rain. High 83°, low 68°.
Pressure29.94 inHg
Wind13.5 mph SE
Humidity80%
Visibility—
Dew point71°
Sun, 1680° / 66°0.16
Morning73°feels 74°
Afternoon78°feels 78°
Evening70°feels 71°
Overnight67°feels 67°
80 °
Winthrop Harbor Station, Sunday, 16 August
Light rain. High 80°, low 66°.
Pressure29.94 inHg
Wind11.9 mph NW
Humidity66%
Visibility—
Dew point66°
Mon, 1775° / 63°0
Morning66°feels 66°
Afternoon74°feels 73°
Evening71°feels 71°
Overnight66°feels 66°
75 °
Winthrop Harbor Station, Monday, 17 August
Clear. High 75°, low 63°.
Pressure30.09 inHg
Wind9 mph NW
Humidity58%
Visibility—
Dew point57°
Tue, 1876° / 64°0
Morning66°feels 66°
Afternoon71°feels 71°
Evening72°feels 72°
Overnight68°feels 69°
76 °
Winthrop Harbor Station, Tuesday, 18 August
Overcast. High 76°, low 64°.
Pressure29.97 inHg
Wind10.4 mph S
Humidity65%
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 Winthrop Harbor Station, 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.