Portland International Speedway Weather - Portland, OR INDYCAR Race Weather
Friday, September 1
Mostly Cloudy, Slight chc for Showers
N 6-12 mph
Saturday, September 2
Mostly Sunny, Chc for PM Showers
S 6-12 mph
Sunday, September 3
Increasing Clouds, Chc of Showers & T-Storm late
SW 6-12 mph
Forecast Discussion & Updates
IndyCar – Grand Prix of Portland – Portland International Raceway
Fri Sep 1 – Mostly cloudy. Slight chance for rain showers. Low around 58°F. High around 78°F. North winds around 6-12 mph.
Sat Sep 2 – Mostly sunny. Slight chance for late showers, but mainly to the south. Low around 59°F. High around 82°F. South winds around 6-12 mph.
Sun Sep 3 – Increasing clouds, chance of showers and thunderstorms late. Low around 60°F. High around 72°F. Southwest winds around 6-12 mph.
Updated #PortlandGP forecast: still expect system to move into PacNW Thursday…that’ll keep slight chance showers in the Fri/Sat forecast. Update is that it looks like another system approaches late Sun/early Mon…we’ll need to keep an eye on that timing & poss. impacts #INDYCAR
Updated: 08/30/23 9:39 AM EDT
IMSA Mark Sweeney (@IMSA_Wxman)
NHRA Elizabeth Ohlemacher (@NHRA_weather)