10-Day Weather Forecast - Northumberland, NY

Mostly sunny. Highs in the lower 40s. South winds 5 to 10 mph.

Cloudy. A chance of rain in the evening then rain after midnight. Not as cool with lows in the upper 30s. Temperature rising into the upper 40s after midnight. South winds 10 to 15 mph. Gusts up to 25 mph increasing to 35 mph after midnight. Chance of rain 90 percent.

Rain in the morning then a chance of rain and snow in the afternoon. Little or no snow accumulation. Not as cool with highs in the lower 50s. Temperature falling into the upper 30s in the afternoon. South winds around 15 mph becoming west in the afternoon. Gusts up to 40 mph. Chance of precipitation 90 percent.

Mostly cloudy. Much colder with lows in the lower 20s. West winds 10 to 15 mph with gusts up to 35 mph.

Mostly sunny. Much cooler with highs in the mid 30s.

Cloudy. A chance of rain and snow after midnight. Cold. Near steady temperature in the lower 30s. Chance of precipitation 40 percent.

Mostly cloudy with a chance of rain in the morning then partly sunny in the afternoon. Highs in the upper 30s. Temperature falling into the lower 30s in the afternoon. Chance of rain 40 percent.

Mostly cloudy in the evening then becoming partly cloudy. Colder with lows 15 to 20.

Sunny colder with highs in the mid 20s.

Partly cloudy. Cold with lows around 15.

Mostly cloudy with a chance of rain and snow. Highs in the mid 30s. Lows in the lower 20s. Chance of precipitation 50 percent.

Mostly cloudy with a chance of rain and snow. Highs in the mid 30s. Lows in the lower 20s. Chance of precipitation 50 percent.

Mostly sunny. Highs in the lower 30s. Temperature falling into the upper 20s in the afternoon.

Partly cloudy. Low temperature around 26F. Dew point will be around 22F with an average humidity of 79%. Winds will be 1 mph from the NW.

Cloudy with a chance of rain-snow mix. Chance of precipitation 40%. High temperature around 34F. Dew point will be around 26F with an average humidity of 81%. Winds will be 2 mph from the SE.

Cloudy with a chance of rain-snow mix. Chance of precipitation 40%. Low temperature around 30F. Dew point will be around 29F with an average humidity of 87%. Winds will be 1 mph from the SE.

Cloudy with a chance of rain-snow mix. Chance of precipitation 45%. High temperature around 37F. Dew point will be around 31F with an average humidity of 85%. Winds will be 1 mph from the SE.

Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 33F. Dew point will be around 32F with an average humidity of 89%. Winds will be 1 mph from the SW.