Rain forecast and rainfall this year

Portland, OR

Rain likely today: 72% chance, about 0.13 inches.

Updated Thursday 11:08 PM ET.

Forecast

72 percent chance of rain

TodayHigh 59°, low 46°
About 0.13 in of rain

99 percent chance of rain

TomorrowHigh 63°, low 50°
About 0.18 in of rain

This year so far, since Jan 1

20.22 in

−6.39 in below normal for this point in the year (26.61 in).

National rank215th of 363

In Oregon2nd of 6

Biggest day1.73 in, Mar 12

Last measurable rain0.04 in, Nov 4, 2026

Month by month

Jan2.63

Feb4.75

Mar5.03

Apr2.75

May0.65

Jun1.19

Jul0.16

Aug0.04

Sep0.93

Oct2.04

Nov0.05

Dec–

This yearNormal

Records since 1939

Wettest year63.20 in, 1996

Biggest rain day2.69 in, Nov 19, 1996

Nearby cities

VancouverWA20.22 in this year7 miles
GreshamOR22.54 in this year11 miles
HillsboroOR17.57 in this year14 miles
SalemOR18.99 in this year46 miles
EugeneOR18.33 in this year105 miles

More Portland weather

Snow in Portland Sunshine in Portland Temperature in Portland

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. Records are this station’s own and may differ from official NWS city records, which can include earlier locations. Incomplete years and several-day totals are left out. Rain Scoreboard is not affiliated with the National Weather Service or NOAA.