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Winterthur, DE Weather Forecast
Winterthur, DE Weather Forecast Date: 1139 AM EDT Sat Oct 17 2026
The area/counties/county of: New Castle, including the city of Wilmington.or toggle through each period.
Rest of Today... Cloudy and much cooler. Near steady temperature in the lower 50s. North winds 15 to 20 mph with gusts up to 40 mph.
Tonight... Partly cloudy in the evening, then becoming mostly clear. Cooler with lows in the upper 30s. North winds 10 to 15 mph with gusts up to 30 mph.
Sunday... Sunny. Highs in the upper 50s. Northeast winds 5 to 10 mph with gusts up to 20 mph.
Sunday Night... Mostly clear. Lows around 40. Northeast winds 5 to 10 mph.
Monday... Mostly sunny. Highs in the lower 60s. Northeast winds 5 to 10 mph with gusts up to 20 mph.
Monday Night... Mostly cloudy. Lows in the mid 40s.
Tuesday... Mostly sunny. Highs in the upper 60s.
Tuesday Night... Partly cloudy in the evening, then clearing. Lows in the upper 40s.
Wednesday... Mostly sunny. Highs in the mid 60s.
Wednesday Night... Partly cloudy. Lows in the mid 40s.
Thursday... Mostly sunny. Highs in the lower 60s.
Thursday Night... Partly cloudy. Lows in the upper 40s.
POP = Probability of Precipitation
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