Rain forecast and rainfall this year
Portland, OR
Rain likely today: 87% chance, about 0.02 inches.
Updated Wednesday 5:05 AM ET.
Forecast
87 percent chance of rain
TodayHigh 57°, low 42°About 0.02 in of rain
28 percent chance of rain
TomorrowHigh 58°, low 47°About 0.01 in of rain
This year so far, since Jan 1
20.18 in
−6.25 in below normal for this point in the year (26.43 in).
National rank215th of 363
In Oregon2nd of 6
Biggest day1.73 in, Mar 12
Last measurable rain0.01 in, Nov 3, 2026
Month by month
Jan2.63
Feb4.75
Mar5.03
Apr2.75
May0.65
Jun1.19
Jul0.16
Aug0.04
Sep0.93
Oct2.04
Nov0.01
Dec–
This yearNormal
Nearby cities
- VancouverWA20.18 in this year7 miles
- GreshamOR22.41 in this year11 miles
- HillsboroOR17.57 in this year14 miles
- SalemOR18.98 in this year46 miles
- EugeneOR18.32 in this year105 miles
More Portland weather
Forecast based on National Weather Service forecast data. Rainfall records are from NOAA Regional Climate Centers for the Portland International Airport station, recorded since 1938; normals are NOAA’s 1991–2020 averages. Totals are preliminary. Rain Scoreboard is not affiliated with the National Weather Service or NOAA.