Currently: 35 °F. Passing clouds. (Weather station: Tri-Cities Airport, USA). See more current weatherAnnual Weather Averages Near Tri-Cities
Averages are for Tri-Cities Airport, which is 4 miles from Tri-Cities.
Based on weather reports collected during 1992–2021.
All Year Climate & Weather Averages in Tri-Cities
High Temp: 93 °F
Low Temp: 28 °F
Mean Temp: 54 °F
Precipitation: 0.68"
Humidity: 61%
Dew Point: 39 °F
Wind: 10 mph
Pressure: 30.02 "Hg
Visibility: 12 mi
January Climate & Weather Averages in Tri-Cities
High Temp: 42 °F
Low Temp: 29 °F
Mean Temp: 36 °F
Precipitation: 1.09"
Humidity: 82%
Dew Point: 30 °F
Wind: 9 mph
Pressure: 30.16 "Hg
Visibility: 9 mi
February Climate & Weather Averages in Tri-Cities
High Temp: 49 °F
Low Temp: 29 °F
Mean Temp: 39 °F
Precipitation: 0.72"
Humidity: 73%
Dew Point: 31 °F
Wind: 10 mph
Pressure: 30.11 "Hg
Visibility: 10 mi
March Climate & Weather Averages in Tri-Cities
High Temp: 59 °F
Low Temp: 34 °F
Mean Temp: 46 °F
Precipitation: 0.69"
Humidity: 62%
Dew Point: 33 °F
Wind: 11 mph
Pressure: 30.04 "Hg
Visibility: 12 mi
April Climate & Weather Averages in Tri-Cities
High Temp: 67 °F
Low Temp: 39 °F
Mean Temp: 53 °F
Precipitation: 0.67"
Humidity: 54%
Dew Point: 37 °F
Wind: 12 mph
Pressure: 30.00 "Hg
Visibility: 13 mi
May Climate & Weather Averages in Tri-Cities
High Temp: 76 °F
Low Temp: 47 °F
Mean Temp: 62 °F
Precipitation: 0.75"
Humidity: 51%
Dew Point: 43 °F
Wind: 11 mph
Pressure: 29.95 "Hg
Visibility: 13 mi
June Climate & Weather Averages in Tri-Cities
High Temp: 83 °F
Low Temp: 54 °F
Mean Temp: 68 °F
Precipitation: 0.62"
Humidity: 47%
Dew Point: 47 °F
Wind: 11 mph
Pressure: 29.92 "Hg
Visibility: 14 mi
July Climate & Weather Averages in Tri-Cities
High Temp: 93 °F
Low Temp: 58 °F
Mean Temp: 75 °F
Precipitation: 0.24"
Humidity: 43%
Dew Point: 51 °F
Wind: 9 mph
Pressure: 29.91 "Hg
Visibility: 14 mi
August Climate & Weather Averages in Tri-Cities
High Temp: 91 °F
Low Temp: 57 °F
Mean Temp: 74 °F
Precipitation: 0.20"
Humidity: 46%
Dew Point: 51 °F
Wind: 8 mph
Pressure: 29.90 "Hg
Visibility: 13 mi
September Climate & Weather Averages in Tri-Cities
High Temp: 81 °F
Low Temp: 48 °F
Mean Temp: 65 °F
Precipitation: 0.31"
Humidity: 54%
Dew Point: 47 °F
Wind: 8 mph
Pressure: 29.96 "Hg
Visibility: 13 mi
October Climate & Weather Averages in Tri-Cities
High Temp: 66 °F
Low Temp: 40 °F
Mean Temp: 53 °F
Precipitation: 0.70"
Humidity: 65%
Dew Point: 40 °F
Wind: 8 mph
Pressure: 30.05 "Hg
Visibility: 12 mi
November Climate & Weather Averages in Tri-Cities
High Temp: 51 °F
Low Temp: 32 °F
Mean Temp: 42 °F
Precipitation: 1.01"
Humidity: 77%
Dew Point: 34 °F
Wind: 9 mph
Pressure: 30.12 "Hg
Visibility: 10 mi
December Climate & Weather Averages in Tri-Cities
High Temp: 41 °F
Low Temp: 28 °F
Mean Temp: 35 °F
Precipitation: 1.13"
Humidity: 82%
Dew Point: 29 °F
Wind: 8 mph
Pressure: 30.17 "Hg
Visibility: 9 mi