10-Day Weather Forecast - Northumberland, NY

Partly sunny. Showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 70s. Southwest winds 5 to 10 mph. Chance of rain 60 percent.

Mostly cloudy. Showers likely with a chance of thunderstorms in the evening then a chance of showers after midnight. Lows in the upper 50s. Southwest winds around 5 mph. Chance of rain 70 percent.

Mostly cloudy. A chance of showers in the morning then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 70s. Southwest winds 5 to 10 mph. Chance of rain 70 percent.

Mostly cloudy. Showers likely mainly in the evening. Lows in the upper 50s. West winds around 5 mph in the evening becoming light and variable. Chance of rain 70 percent.

Mostly cloudy with showers likely. Highs in the mid 70s. Lows in the upper 50s. Chance of rain 60 percent.

Mostly cloudy with showers likely. Highs in the mid 70s. Lows in the upper 50s. Chance of rain 60 percent.

Mostly cloudy with a chance of showers. Highs in the lower 70s. Lows in the lower 50s. Chance of rain 50 percent.

Mostly cloudy with a chance of showers. Highs in the lower 70s. Lows in the lower 50s. Chance of rain 50 percent.

Mostly cloudy in the morning then becoming partly sunny. Highs in the upper 70s.

Mostly cloudy with a 50 percent chance of showers. Lows in the mid 50s.

Mostly cloudy. A chance of showers in the morning then showers likely in the afternoon. Not as warm with highs in the upper 60s. Chance of rain 60 percent.

Mostly cloudy with showers likely in the evening then partly cloudy with a chance of showers after midnight. Much cooler with lows in the mid 30s. Chance of rain 60 percent.

Mostly sunny. Much cooler with highs in the lower 50s.

Partly cloudy. Low temperature around 33F. Dew point will be around 25F with an average humidity of 56%. Winds will be 6 mph from the W.

Sunny. High temperature around 55F. Dew point will be around 26F with an average humidity of 46%. Winds will be 4 mph from the W.

Mostly clear. Low temperature around 44F. Dew point will be around 35F with an average humidity of 64%. Winds will be 2 mph from the S.

Partly cloudy with a chance of rain. Chance of precipitation 35%. High temperature around 59F. Dew point will be around 41F with an average humidity of 64%. Winds will be 3 mph from the SW.

Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 48F. Dew point will be around 46F with an average humidity of 78%. Winds will be 2 mph from the S.