10-Day Weather Forecast - Summit, NJ

Patchy fog in the morning. Mostly cloudy with a chance of showers and thunderstorms likely in the morning then partly sunny with a chance of showers and thunderstorms in the afternoon. Some thunderstorms may produce gusty winds and heavy rainfall in the morning. Some thunderstorms may produce gusty winds and heavy rainfall in the afternoon. Humid with highs in the lower 90s. Southwest winds 10 to 15 mph. Chance of rain 60 percent. Heat index values up to 102 in the afternoon.

Partly cloudy. A chance of showers and thunderstorms in the evening. Some thunderstorms may produce gusty winds and heavy rainfall in the evening. Humid with lows in the lower 70s. West winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 40 percent.

Sunny. Highs in the mid 80s. Northwest winds 5 to 10 mph. Gusts up to 20 mph in the morning.

Mostly clear. Lows in the mid 60s.

Mostly sunny. Highs in the mid 80s.

Mostly cloudy. A chance of showers in the evening then showers likely with a chance of thunderstorms after midnight. Lows around 70. Chance of rain 60 percent.

Mostly cloudy. Showers likely with a chance of thunderstorms in the morning then a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 60 percent.

Mostly cloudy with a chance of showers and thunderstorms in the evening then partly cloudy after midnight. Lows in the upper 60s. Chance of rain 50 percent.

Mostly sunny. Highs in the mid 80s.

Partly cloudy. Lows in the upper 60s.

Mostly sunny. Highs in the mid 80s.

Mostly cloudy with a 30 percent chance of showers. Lows around 70.

Partly sunny. A chance of showers in the afternoon. Highs in the upper 80s. Chance of rain 30 percent.

Clear. Low temperature around 71F. Dew point will be around 68F with an average humidity of 78%. Winds will be 3 mph from the SW.

Sunny. High temperature around 90F. Dew point will be around 70F with an average humidity of 68%. Winds will be 2 mph from the W.

Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 73F. Dew point will be around 69F with an average humidity of 75%. Winds will be 2 mph from the W.

Sunny. High temperature around 92F. Dew point will be around 72F with an average humidity of 67%. Winds will be 3 mph from the NW.

Clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 74F. Dew point will be around 69F with an average humidity of 73%. Winds will be 2 mph from the NW.