In May, Portland averages a high of 69°F (21°C) and a low of 49°F (9°C). Most runs feel like about 59°F (15°C) once you factor in a typical morning or evening start, so dress for that number rather than the thermometer. Wet winters and dry, mild summers give Portland two very different running wardrobes.
69°F (21°C)
49°F (9°C)
Feels like 59°F (15°C)
Almost any time works this month. Early mornings are coolest if you prefer to avoid the 69°F (21°C) afternoon high.
Short Sleeve Tech Shirt
Breathable running tee
Running Shorts
Lightweight with built-in brief
Running Shoes
Your regular training shoes
$115
$55
$349
$17
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In May, Portland runs feel like about 59°F (15°C). A short or long-sleeve tech shirt with shorts or light tights is ideal. Carry a packable layer if it is windy.
May is some of the best running weather of the year in Portland, with average highs near 69°F (21°C) and lows near 49°F (9°C).
Shorts are the standard in Portland in May. At feels-like 59°F (15°C) tights will leave you overheating.
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