Old Mastic, NY 7-Day Night Weather Forecast
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Old Mastic, NY Weather Forecast


Old Mastic, NY Weather Forecast Date: 221 PM EDT Mon Sep 21 2026
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This Afternoon... Mostly sunny. Near steady temperature in the upper 60s. Northeast winds 10 to 15 mph with gusts up to 25 mph.
Tonight... Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 50s. Northeast winds 15 to 20 mph.
Tuesday... Mostly cloudy. Highs in the upper 60s. Northeast winds 15 to 20 mph with gusts up to 35 mph.
Tuesday Night... Mostly cloudy and breezy. Lows in the upper 50s. Northeast winds 15 to 25 mph with gusts up to 35 mph.
Wednesday... Partly sunny and windy. Highs in the mid 60s. Northeast winds 20 to 30 mph with gusts up to 45 mph.
Wednesday Night... Partly cloudy and breezy. Lows in the upper 50s.
Thursday... Mostly sunny and windy. Highs in the mid 60s.
Thursday Night... Mostly cloudy with a 40% chance of showers. Windy with lows in the mid 50s.
Friday... Mostly cloudy. A chance of showers in the morning, then showers likely in the afternoon. Very windy with highs in the mid 60s. Chance of rain 60%.
Friday Night... Showers likely. Very windy with lows in the mid 50s. Chance of rain 70%.
Saturday... Showers likely. Very windy with highs in the mid 60s. Chance of rain 70%.
Saturday Night... Mostly cloudy. Showers likely, mainly in the evening. Breezy with lows in the mid 50s. Chance of rain 60%.
Sunday... Mostly cloudy in the morning, then becoming partly sunny. A 30% chance of showers. Breezy with highs in the upper 60s.
Sunday Night... Mostly cloudy. A chance of showers in the evening. Lows in the upper 50s. Chance of rain 30%.
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