Pendleton, OR – A prolonged stretch of late-summer heat will grip Eastern Oregon this week, with Pendleton expected to climb into the upper 90s by Saturday and possibly touch triple digits by early next week. The heat will build daily, keeping conditions hot and dry across Umatilla County.
According to the National Weather Service in Pendleton, sunny skies will dominate through Tuesday, with highs reaching 87°F Wednesday before steadily climbing. By Friday, Pendleton should hit 95°F, with Saturday and Sunday bringing highs near 97°F to 99°F. Winds remain generally light, though gusts could reach 18 mph Wednesday afternoon.
The clear skies and hot afternoons will drive up wildfire danger across northeastern Oregon, where dry grasses and light winds could allow flames to spread quickly. Residents should avoid outdoor burning and take precautions with equipment that could spark fires.
Overnight lows will offer only modest relief, falling into the 50s midweek before settling into the mid-60s this weekend, keeping homes and roadways warm. Those without air conditioning are urged to seek cooling centers or shaded areas during peak afternoon heat.
The heat is expected to linger through at least Tuesday, with little sign of cooler air moving in before midweek.
Five Day Forecast for Pendleton, OR
- Wednesday: Sunny, high 87°F, low 53°F.
- Thursday: Clear, high 90°F, low 54°F.
- Friday: Sunny, high 95°F, low 58°F.
- Saturday: Sunny, high 97°F, low 64°F.
- Sunday: Sunny and hot, high 99°F, low 64°F.