August in Portland, OR: peak season for golf — great conditions and a wide playing window. Best tee times: morning before noon for the most comfortable round.
| Average August Weather | |
|---|---|
| Avg daily high | 85°F |
| Avg daily low | 59°F |
| Rainy days | 5 / mo |
| Avg peak wind | 9.9 mph |
August splits Portland golfers into two camps: the traveling golfer who came specifically for reliable summer weather, and the local regular who knows this window closes fast. For visitors, the conditions justify the trip — an 85F average high, only 5 rainy days, and peak wind sitting at 9.9 mph make this about as predictable as Pacific Northwest golf gets. The courses are firm and fast, morning fog burns off early, and you're rarely watching clouds roll in mid-round.
Locals, though, play August with a slight urgency. They've seen July's near-identical conditions (84F high, 3 precip days) and they know September brings 9 rainy days and a noticeable drop to 77F. August is the payoff month — the one you bank rounds in before the rain returns. Whether you're visiting or based here, the case for getting out is the same; the motivation is just different.
Secure tee times at least two weeks out for weekend mornings in August — this is Portland's most sought-after golf month and public courses fill quickly once the weather forecast firms up. Midweek afternoon slots open up more reliably, and with the high sitting at 85F the heat is manageable after 2 PM if you're comfortable in dry conditions. See how conditions rate hour by hour on our playability scale.
July is marginally drier at 3 precip days versus August's 5, and nearly identical in temperature at 84F, so locals often prefer July for peak conditions, but the difference is small. August actually edges July on wind, averaging 9.9 mph versus 10.2 mph — a minor but real advantage for approach shots. The drop into September is far more pronounced: an 8F temperature decline and a jump to 9 rainy days make August clearly the stronger month to be on the course.
Climate normals show the long-term picture, but day-to-day weather varies. Check today's live golf weather score for Portland, OR for the current playability rating, hourly wind, temperature, and the recommended tee time window.
← July in Portland, OR • September in Portland, OR →
The average high reaches 85F in August, making it the warmest month of the year for golf in Portland. Courses with open, treeless fairways can feel warmer than that figure suggests, so mid-morning and early-afternoon rounds are more comfortable than peak afternoon heat. The 59F average low keeps mornings pleasant for early tee times.
August is peak season in Portland and the demand reflects it — the combination of the hottest temperatures and second-driest conditions of the year draws both locals and traveling golfers simultaneously. Weekday rounds are significantly easier to book than weekend slots, which can fill a week or more in advance at popular municipal and daily-fee tracks. Booking early in the week for the following weekend is a reliable approach.