TODAY APR24
TEMPERATURE47
HUMIDITY76
PRESSURE101390
WIND COND.180 16.6
  • 6135Wed30%20%
  • 5035Thu
  • 5541Fri
  • 5446Sat
  • 6051Sun
daynightWeather update from Shirley, Brookhaven Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Mastic Beach for August is 73.6 degrees
  • The lowest monthly average temperature in Mastic Beach for February is 29.6 degrees
  • The most monthly precipitation in Mastic Beach occurs in October with 9.6 inches
  • The air quality index in Mastic Beach is 2% worse than the national average
  • The pollution index in Mastic Beach is 1338% worse than the national average

Compare Mastic Beach, NY Weather

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      Mastic Beach Average Temperature

      In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
      MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
      January26°F41°F33°F5.8"
      February22°F39°F30°F4.5"
      March28°F47°F37°F6.7"
      April38°F58°F47°F9.1"
      May47°F68°F57°F5.1"
      June60°F78°F68°F1.8"
      July65°F82°F73°F6.2"
      August65°F83°F74°F3.2"
      September57°F79°F68°F3.0"
      October50°F67°F58°F9.6"
      November36°F55°F46°F5.3"
      December28°F43°F35°F6.2"

      Mastic Beach air quality index & pollution index

      In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
      IndexMastic BeachNew YorkNational
      Air quality index434342
      Pollution index39,208,8006,179,2752,726,193

      Mastic Beach air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality262
      Days with moderate air quality82
      Days w/ poor A.Q. for sensitive groups18
      Days with unhealthy air quality3

      Mastic Beach air quality information

      PollutantTotal
      Arsenic0.060%
      Benzene0.320%
      Carbon Tetrachloride0.020%
      Lead0.320%
      Mercury0.130%

      Average monthly Mastic Beach temperature with heat index

      Mastic Beach monthly precipitation with daily maximum

      Mastic Beach monthly snow depth with daily maximum

      Mastic Beach monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Aquebogue, NY1,9964118.0%
      Eastport, NY1,9024118.0%
      Northampton, NY1,6274118.0%
      Quogue, NY6004118.0%
      Riverside, NY2,6104118.0%
      Mastic Beach, NY15,6104314.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Wilmington Island, GA15,6073922.0%
      Lakeway, TX15,6054412.0%
      Hermitage, PA15,6034216.0%
      Brooks, AB15,617n/a 
      Niceville, FL15,6193138.0%
      Mastic Beach, NY15,6104314.0%
      Source: The Mastic Beach, NY weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.