National Weather Service Forecast for: Dallas OR
Issued by: National Weather Service Portland, OR
Updated: 4:41 am PDT May 26, 2026
 
Today

Today: A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 64. Calm wind becoming north northwest around 6 mph in the afternoon. Chance of precipitation is 50%.
Chance
Showers
 Tonight

Tonight: A 10 percent chance of showers before 7pm. Partly cloudy, with a low around 47. Northwest wind 5 to 9 mph becoming light west northwest after midnight.
Slight Chance
Showers then
Mostly Cloudy
 Wednesday

Wednesday: Mostly sunny, with a high near 75. Calm wind becoming north around 5 mph in the afternoon.
Mostly Sunny

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 51. West northwest wind 3 to 8 mph.
Mostly Clear

 Thursday

Thursday: Mostly sunny, with a high near 75. Calm wind becoming west northwest around 6 mph in the afternoon.
Mostly Sunny

 Thursday
Night
Thursday Night: Partly cloudy, with a low around 51.
Partly Cloudy

 Friday

Friday: Mostly cloudy, with a high near 64.
Mostly Cloudy

 Friday
Night
Friday Night: Partly cloudy, with a low around 44.
Partly Cloudy

 Saturday

Saturday: Mostly sunny, with a high near 65.
Mostly Sunny
Hi 64 °F Lo 47 °F Hi 75 °F Lo 51 °F Hi 75 °F Lo 51 °F Hi 64 °F Lo 44 °F Hi 65 °F

 

Today
 
 A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 64. Calm wind becoming north northwest around 6 mph in the afternoon. Chance of precipitation is 50%.
Tonight
 
 A 10 percent chance of showers before 7pm. Partly cloudy, with a low around 47. Northwest wind 5 to 9 mph becoming light west northwest after midnight.
Wednesday
 
 Mostly sunny, with a high near 75. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
 
 Mostly clear, with a low around 51. West northwest wind 3 to 8 mph.
Thursday
 
 Mostly sunny, with a high near 75. Calm wind becoming west northwest around 6 mph in the afternoon.
Thursday Night
 
 Partly cloudy, with a low around 51.
Friday
 
 Mostly cloudy, with a high near 64.
Friday Night
 
 Partly cloudy, with a low around 44.
Saturday
 
 Mostly sunny, with a high near 65.
Saturday Night
 
 Mostly clear, with a low around 42.
Sunday
 
 Sunny, with a high near 70.
Sunday Night
 
 Mostly clear, with a low around 45.
Monday
 
 Sunny, with a high near 82.

 

Forecast from NOAA-NWS for Dallas OR.