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Theresa, NY 7-Day Night Weather Forecast
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Theresa, NY Weather Forecast
Theresa, NY Weather Forecast Date: 230 PM EDT Mon Aug 03 2026
The area/counties/county of: Jefferson, including the city of Watertown.or toggle through each period.
This Afternoon... Mostly cloudy early, then becoming partly sunny. A 50% chance of showers. Highs ranging from the upper 60s on the tug hill to the lower 70s across the lower elevations. Northwest winds 10 to 15 mph.
Tonight... Mainly clear with some patchy fog developing. Cooler with lows ranging from the mid 50s across the tug hill to the upper 50s along the lake Ontario shore. West winds 5 to 10 mph, becoming light.
Tuesday... Some patchy fog in the morning, otherwise sunny. Highs ranging from the mid 70s on the tug hill to the upper 70s across the lower elevations. Southwest winds 10 mph or less.
Tuesday Night... Mainly clear. Lows ranging from the upper 50s across the tug hill to the lower 60s along the lake Ontario shore. Light winds.
Wednesday... Sunny. Highs in the lower 80s. Southwest winds 10 mph or less.
Wednesday Night... Partly cloudy with a 30% chance of showers. Lows in the mid 60s.
Thursday... Showers likely with a chance of thunderstorms. Highs in the lower 80s. Chance of rain 70%.
Thursday Night... Showers likely with a chance of thunderstorms. Lows in the mid 60s. Chance of rain 70%.
Friday... Showers likely with a chance of thunderstorms. Highs in the upper 70s. Chance of rain 60%.
Friday Night... Mostly cloudy with a 50% chance of showers and thunderstorms. Lows in the lower 60s.
Saturday... Partly sunny. Highs around 80.
Saturday Night... Partly cloudy. Lows in the mid 60s.
POP = Probability of Precipitation
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