Weather
Eastern Oregon Weather Alert: Freezing Nights Oct 31-Nov 1
PENDLETON, OR – Residents across Pendleton and surrounding Umatilla County communities face freezing overnight temperatures this Halloween weekend, with lows expected to fall into the upper 20s as pat
By Audrey Sloan · 2026-10-30T12:16:38.821Z
PENDLETON, OR – Residents across Pendleton and surrounding Umatilla County communities face freezing overnight temperatures this Halloween weekend, with lows expected to fall into the upper 20s as patchy fog and rain chances create changing weather conditions.
According to the National Weather Service in Pendleton, temperatures are forecast to drop near 29 degrees Friday night, Oct. 30, before another cold period sends readings to approximately 28 degrees Sunday night.
The coldest conditions are expected overnight and during the early morning hours, when frost and freezing temperatures could affect exposed outdoor surfaces and sensitive vegetation.
Freezing Temperatures Arrive Friday Night Friday will begin with patchy fog before 11 a.m., followed by gradually improving skies and a high near 51 degrees.
Temperatures will fall sharply after sunset, reaching approximately 29 degrees overnight.
Patchy fog is expected to develop again after 11 p.m., potentially reducing visibility on local roads.
At Eastern Oregon Regional Airport, temperatures were already near 36 degrees early Friday morning under clear skies.
Halloween Brings Fog and Rain Chances Saturday, Oct. 31, is expected to bring patchy morning fog before 11 a.m., followed by partly sunny skies and highs near 50 degrees.
Saturday night introduces a 40% chance of showers, with temperatures falling to around 30 degrees.
Patchy fog could also develop after 11 p.m., creating additional concerns for late night drivers.
Sunday brings a 30% chance of showers before 11 a.m., along with patchy fog and afternoon highs near 52 degrees.
Another Freeze Possible Sunday Night Sunday night temperatures are expected to fall near 28 degrees under mostly clear skies.
Residents should consider protecting sensitive outdoor plants, disconnecting vulnerable garden hoses and preparing for cold early morning conditions.
Monday offers some improvement, with mostly sunny skies and highs near 56 degrees.
Overnight temperatures, however, could remain near freezing into early next week.
Residents should monitor updated National Weather Service forecasts for changing temperatures and visibility conditions.