National Weather Service Forecast for: Dallas OR
Issued by: National Weather Service Portland, OR
Updated: 3:41 pm PDT Sep 12, 2026
 
This
Afternoon
This Afternoon: A chance of rain, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 65. West southwest wind around 6 mph. Chance of precipitation is 60%.
Showers
Likely
 Tonight

Tonight: Rain and possibly a thunderstorm before 2am, then a slight chance of rain between 2am and 5am. Low around 52. Light and variable wind. Chance of precipitation is 80%.
Showers then
Chance Rain
 Sunday

Sunday: A chance of rain before 11am, then a chance of showers between 11am and 2pm. Cloudy, then gradual clearing during the afternoon, with a high near 66. West southwest wind 5 to 8 mph. Chance of precipitation is 30%.
Chance Rain
 Sunday
Night
Sunday Night: Partly cloudy, with a low around 51. West southwest wind around 6 mph becoming calm in the evening.
Partly Cloudy
 Monday

Monday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 70. Light north wind.
Patchy Fog
then Sunny
 Monday
Night
Monday Night: Mostly clear, with a low around 51.
Mostly Clear
 Tuesday

Tuesday: Sunny, with a high near 72.
Sunny
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 53.
Mostly Clear
 Wednesday

Wednesday: Sunny, with a high near 82.
Sunny
Hi 65 °F Lo 52 °F Hi 66 °F Lo 51 °F Hi 70 °F Lo 51 °F Hi 72 °F Lo 53 °F Hi 82 °F

 

This Afternoon
 
 A chance of rain, then showers likely and possibly a thunderstorm after 5pm. Mostly cloudy, with a high near 65. West southwest wind around 6 mph. Chance of precipitation is 60%.
Tonight
 
 Rain and possibly a thunderstorm before 2am, then a slight chance of rain between 2am and 5am. Low around 52. Light and variable wind. Chance of precipitation is 80%.
Sunday
 
 A chance of rain before 11am, then a chance of showers between 11am and 2pm. Cloudy, then gradual clearing during the afternoon, with a high near 66. West southwest wind 5 to 8 mph. Chance of precipitation is 30%.
Sunday Night
 
 Partly cloudy, with a low around 51. West southwest wind around 6 mph becoming calm in the evening.
Monday
 
 Patchy fog before 9am. Otherwise, mostly sunny, with a high near 70. Light north wind.
Monday Night
 
 Mostly clear, with a low around 51.
Tuesday
 
 Sunny, with a high near 72.
Tuesday Night
 
 Mostly clear, with a low around 53.
Wednesday
 
 Sunny, with a high near 82.
Wednesday Night
 
 Clear, with a low around 56.
Thursday
 
 Sunny, with a high near 86.
Thursday Night
 
 Clear, with a low around 56.
Friday
 
 Sunny, with a high near 83.
Friday Night
 
 Mostly clear, with a low around 54.
Saturday
 
 Mostly sunny, with a high near 74.

 

Forecast from NOAA-NWS for Dallas OR.