Weather WorldSiena, NY 7-Day Weather Forecast
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Siena Weather Forecast
Siena, NY Weather Forecast Date: 230 AM EDT Sat Sep 19 2026
Weather forecast for Siena, NY
Tonight Lo: 49°F Lo: 9°C |
Tonight... Mostly cloudy. Cooler with lows in the upper 40s. North winds 5 to 10 mph. |
Sat Hi: 65°FHi: 18°C Lo: 50°F Lo: 10°C |
Saturday... Mostly sunny. Not as warm with highs in the mid 60s. North winds 5 to 10 mph. |
Sun Hi: 59°FHi: 15°C Lo: 45°F Lo: 7°C |
Sunday... Rain. Highs in the upper 50s. Southeast winds 10 to 15 mph. Chance of rain near 100%. |
Mon Hi: 65°FHi: 18°C Lo: 45°F Lo: 7°C |
Monday... Mostly cloudy. Highs in the mid 60s. Lows in the mid 40s. |
| Tue Hi: 65°FHi: 18°C Lo: 45°F Lo: 7°C |
Tuesday... Mostly cloudy. Highs in the mid 60s. Lows in the mid 40s. |
| Wed Hi: 65°FHi: 18°C Lo: 45°F Lo: 7°C |
Wednesday... Mostly cloudy. Highs in the mid 60s. Lows in the mid 40s. |
| Wed Hi: 65°FHi: 18°C Lo: 45°F Lo: 7°C |
Wednesday... Mostly cloudy. Highs in the mid 60s. Lows in the mid 40s. |
Thu Hi: 65°FHi: 18°C Lo: 45°F Lo: 7°C |
Thursday... Mostly cloudy with a 30% chance of showers. Highs in the mid 60s. Lows in the mid 40s. |
| Fri Hi: 65°FHi: 18°C Lo: 45°F Lo: 7°C |
Friday... Mostly cloudy with a 30% chance of showers. Highs in the mid 60s. Lows in the mid 40s. |
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