National Weather Service Forecast for: Dallas OR
Issued by: National Weather Service Portland, OR
Updated: 10:46 am PST Feb 2, 2026
 
Today

Today: Mostly sunny, with a high near 57. South wind around 5 mph becoming calm in the afternoon.
Mostly Sunny

 Tonight

Tonight: Patchy fog between midnight and 5am. Otherwise, partly cloudy, with a low around 42. Calm wind.
Partly Cloudy
then Patchy
Fog
 Tuesday

Tuesday: Patchy fog between 8am and 10am. Otherwise, partly sunny, with a high near 56. Calm wind.
Patchy Fog
then Partly
Sunny
 Tuesday
Night
Tuesday Night: Mostly cloudy, with a low around 41. Calm wind.
Mostly Cloudy

 Wednesday

Wednesday: Mostly sunny, with a high near 58. Calm wind.
Mostly Sunny

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 38.
Mostly Clear

 Thursday

Thursday: Sunny, with a high near 57.
Sunny

 Thursday
Night
Thursday Night: Mostly clear, with a low around 39.
Mostly Clear

 Friday

Friday: Mostly sunny, with a high near 57.
Mostly Sunny
Hi 57 °F Lo 42 °F Hi 56 °F Lo 41 °F Hi 58 °F Lo 38 °F Hi 57 °F Lo 39 °F Hi 57 °F

 

Today
 
 Mostly sunny, with a high near 57. South wind around 5 mph becoming calm in the afternoon.
Tonight
 
 Patchy fog between midnight and 5am. Otherwise, partly cloudy, with a low around 42. Calm wind.
Tuesday
 
 Patchy fog between 8am and 10am. Otherwise, partly sunny, with a high near 56. Calm wind.
Tuesday Night
 
 Mostly cloudy, with a low around 41. Calm wind.
Wednesday
 
 Mostly sunny, with a high near 58. Calm wind.
Wednesday Night
 
 Mostly clear, with a low around 38.
Thursday
 
 Sunny, with a high near 57.
Thursday Night
 
 Mostly clear, with a low around 39.
Friday
 
 Mostly sunny, with a high near 57.
Friday Night
 
 A slight chance of rain after 4am. Partly cloudy, with a low around 41.
Saturday
 
 A chance of rain. Partly sunny, with a high near 56.
Saturday Night
 
 Rain likely. Mostly cloudy, with a low around 44.
Sunday
 
 Rain. Mostly cloudy, with a high near 52.

 

Forecast from NOAA-NWS for Dallas OR.