TODAY APR25
TEMPERATURE38
HUMIDITY50
PRESSURE102340
WIND COND.10 14.8
  • 4831Thu
  • 5237Fri
  • 5643Sat
  • 5748Sun
  • 6249Mon
daynightWeather update from Westerly, Westerly State Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Watch Hill for August is 71.4 degrees
  • The lowest monthly average temperature in Watch Hill for February is 28.7 degrees
  • The most monthly precipitation in Watch Hill occurs in April with 10.1 inches
  • The air quality index in Watch Hill is 12% better than the national average
  • The pollution index in Watch Hill is 9% worse than the national average

Compare Watch Hill, RI Weather

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      Watch Hill 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
      January23°F39°F31°F5.1"
      February21°F37°F29°F3.7"
      March26°F44°F36°F7.9"
      April36°F55°F46°F10.1"
      May46°F65°F55°F5.8"
      June57°F75°F65°F4.6"
      July62°F80°F70°F3.4"
      August63°F81°F71°F4.1"
      September57°F76°F66°F5.3"
      October49°F65°F56°F9.3"
      November35°F54°F45°F6.2"
      December26°F41°F33°F5.6"

      Watch Hill 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.
      IndexWatch HillRhode IslandNational
      Air quality index374542
      Pollution index2,960,7903,440,2592,726,193

      Watch Hill air quality information

      MeasurementTotal
      Days measured364
      Days with good air quality323
      Days with moderate air quality34
      Days w/ poor A.Q. for sensitive groups7
      Days with unhealthy air quality0

      Watch Hill air quality information

      PollutantTotal
      Arsenic0.003%
      Benzene0.030%
      Carbon Tetrachloride0.010%
      Lead0.020%
      Mercury0.005%

      Average monthly Watch Hill temperature with heat index

      Watch Hill monthly precipitation with daily maximum

      Watch Hill monthly snow depth with daily maximum

      Watch Hill monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Mashantucket, CT2253726.0%
      Hopkinton, RI6123726.0%
      Old Mystic, CT3,3023726.0%
      Charlestown, RI1,3923726.0%
      New London, CT27,0013726.0%
      Watch Hill, RI1963726.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Stevinson, CA196484.0%
      Trowbridge, CA1964412.0%
      Yolo, CA196524.0%
      Du Pont, GA1963530.0%
      Leighton, IA1963922.0%
      Watch Hill, RI1963726.0%
      Source: The Watch Hill, RI 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.