Oregon · county areal climate 1951–2025
Washington County, OR
A 51.5°F / 55.8" normal · 2025 ran +1.4°F vs normal.
2026 so far · through Jul 10: This area is running
+2.1°F (51.0°F) vs the 1996–2025 to-date normal — the
4th warmest start of 76 years. Precipitation
82% of normal.
U.S. year-to-date → Normal (1996–2025)
51.5°F
annual mean · 55.8" precipitation
2025 vs Normal
+1.4°F
52.9°F · 48.5" (87% of normal)
Warmest Year
54.1°F
2015 · coldest 47.9°F (1955)
Wettest Year
89.0in
1996 · driest 35.5" (1985)
Hottest Day
106.3°F
Jun 28 · 2021
Coldest Day
2.9°F
Dec 8 · 1972
Biggest Rain Day
3.82in
Oct 27 · 1994
Record
1951–2025
75 complete years · NOAA nClimGrid
—— normal temperature (°F) · ▮ normal precipitation (in) · 1996–2025
Areal
nClimGrid averages (NOAA/NCEI) over the whole area — an average across the region, not a single station. Separate from the
station records.