Weather in Tri-Cities in October
In an average October, Tri-Cities sees a daily high around 68°F and a low around 45°F, based on 1980–2026 of local climate records.
| Average high | 68°F |
|---|---|
| Typical high range | 60°F to 78°F |
| Average low | 45°F |
| Typical low range | 36°F to 53°F |
| Average daily precipitation | 0.00 in |
October records
The most extreme October on record for each metric, across 1980–2026. For rainfall, the wettest and driest are by total October accumulation.
High
Highest
93°F
2014-10-07
Lowest
38°F
1991-10-31
Low
Highest
63°F
1988-10-16
Lowest
17°F
2019-10-30
Feels-like
Highest
99°F
2014-10-06
Lowest
8°F
2019-10-30
Humidity
Highest
12.9 g/m³
2010-10-10
Lowest
1.6 g/m³
2003-10-31
Wind
Highest
27 mph
1991-10-16
Lowest
3 mph
2007-10-29
Gust
Highest
61 mph
1997-10-30
Lowest
7 mph
2018-10-08
Precip
Wettest
3.35 in
2016
Driest
0.00 in
1987
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