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Demster, NY Weather Forecast
Demster, NY Weather Forecast Date: 230 AM EDT Mon Oct 26 2026
The area/counties/county of: Oswego, including the city of Oswego.or toggle through each period.
Overnight... Partly to mostly cloudy with some patchy fog. Lows ranging from the upper 30s across the tug hill to the mid 40s along the lake Ontario shore. Light south winds.
Monday... Some patchy fog in the morning, otherwise mostly sunny in the morning, then becoming mostly cloudy. Highs ranging from the mid 50s on the tug hill to the lower 60s across the lower elevations. Northwest winds 10 mph or less.
Monday Night... Mostly cloudy in the evening, then clearing. Some patchy fog developing. Colder with lows ranging from the upper 20s across the tug hill to the lower 30s along the lake Ontario shore. Light winds.
Tuesday... Some patchy fog in the morning, otherwise sunny. Cooler with highs in the lower 50s. Light winds.
Tuesday Night... Mainly clear in the evening, then becoming partly cloudy with some patchy fog developing. Lows in the upper 20s. Light winds.
Wednesday... Partly sunny. Patchy fog. Highs around 60.
Wednesday Night... Mostly cloudy. Lows in the lower 40s.
Thursday... Mostly sunny. Highs in the upper 60s.
Thursday Night... Mostly cloudy with a 50% chance of showers. Lows in the lower 50s.
Friday... Partly sunny with a 50% chance of showers. Highs in the lower 60s.
Friday Night... Partly cloudy. Lows in the lower 40s.
Saturday... Mostly sunny. Highs in the lower 60s.
Saturday Night... Mostly cloudy. Lows in the lower 40s.
POP = Probability of Precipitation
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