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Siena, NY Weather Forecast
Siena, NY Weather Forecast Date: 230 AM EDT Fri Sep 18 2026
The area/counties/county of: Eastern Albany, including the city of Albany.or toggle through each period.
Rest of Tonight... Mostly cloudy. Near steady temperature in the mid 60s. Northwest winds around 5 mph.
Friday... Mostly sunny. Highs in the mid 70s. Northwest winds 5 to 10 mph.
Friday Night... Mostly cloudy. Much cooler with lows in the mid 40s. North winds 5 to 10 mph.
Saturday... Mostly sunny. Not as warm with highs in the mid 60s. North winds around 5 mph.
Saturday Night... Mostly cloudy. A chance of showers after midnight. Lows around 50. Light and variable winds, becoming southeast around 5 mph after midnight. Chance of rain 40%.
Sunday... Rain. Highs around 60. Lows around 50. Chance of rain near 100%.
Sunday Night... Rain. Highs around 60. Lows around 50. Chance of rain near 100%.
Monday... Partly sunny. Highs in the mid 60s.
Monday Night... Mostly cloudy with a 30% chance of showers. Lows in the mid 40s. Highs in the lower 60s.
Tuesday... Mostly cloudy with a 30% chance of showers. Lows in the mid 40s. Highs in the lower 60s.
Tuesday Night... Mostly cloudy. Lows in the mid 40s. Highs in the mid 60s.
Wednesday... Mostly cloudy. Lows in the mid 40s. Highs in the mid 60s.
Wednesday Night... Mostly cloudy. A 30% chance of showers. Lows in the mid 40s. Highs in the mid 60s.
POP = Probability of Precipitation
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